From: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Add first level indentation to easayca_main.c
This created around 300 lines over 80 characters.
Around 100 of straight forward once were fixed in this patch.
The another 200 require more code movement and need to be fixed
later
Cc: Mike Thomas <rmthomas@xxxxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/easycap/easycap_main.c | 4566 ++++++++++++++++----------------
1 files changed, 2235 insertions(+), 2331 deletions(-)
diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c
index fc1a178..e33c3cb 100644
--- a/drivers/staging/easycap/easycap_main.c
+++ b/drivers/staging/easycap/easycap_main.c
@@ -125,89 +125,87 @@ const char *strerror(int err)
* THIS ROUTINE DOES NOT DETECT DUPLICATE OCCURRENCES OF POINTER peasycap
*/
/*---------------------------------------------------------------------------*/
-int
-isdongle(struct easycap *peasycap)
+int isdongle(struct easycap *peasycap)
{
-int k;
-if (NULL == peasycap)
- return -2;
-for (k = 0; k < DONGLE_MANY; k++) {
- if (easycapdc60_dongle[k].peasycap == peasycap) {
- peasycap->isdongle = k;
- return k;
+ int k;
+ if (NULL == peasycap)
+ return -2;
+ for (k = 0; k < DONGLE_MANY; k++) {
+ if (easycapdc60_dongle[k].peasycap == peasycap) {
+ peasycap->isdongle = k;
+ return k;
+ }
}
-}
-return -1;
+ return -1;
}
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
static int easycap_open(struct inode *inode, struct file *file)
{
-#ifndef EASYCAP_IS_VIDEODEV_CLIENT
-struct usb_interface *pusb_interface;
-#else
-struct video_device *pvideo_device;
-#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
-struct easycap *peasycap;
-int rc;
+ #ifndef EASYCAP_IS_VIDEODEV_CLIENT
+ struct usb_interface *pusb_interface;
+ #else
+ struct video_device *pvideo_device;
+ #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
+ struct easycap *peasycap;
+ int rc;
-JOT(4, "\n");
-SAY("==========OPEN=========\n");
+ JOT(4, "\n");
+ SAY("==========OPEN=========\n");
/*---------------------------------------------------------------------------*/
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
-if (NULL == inode) {
- SAY("ERROR: inode is NULL.\n");
- return -EFAULT;
-}
-pusb_interface = usb_find_interface(&easycap_usb_driver, iminor(inode));
-if (!pusb_interface) {
- SAY("ERROR: pusb_interface is NULL.\n");
- return -EFAULT;
-}
-peasycap = usb_get_intfdata(pusb_interface);
+ if (NULL == inode) {
+ SAY("ERROR: inode is NULL.\n");
+ return -EFAULT;
+ }
+ pusb_interface = usb_find_interface(&easycap_usb_driver, iminor(inode));
+ if (!pusb_interface) {
+ SAY("ERROR: pusb_interface is NULL.\n");
+ return -EFAULT;
+ }
+ peasycap = usb_get_intfdata(pusb_interface);
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
-pvideo_device = video_devdata(file);
-if (NULL == pvideo_device) {
- SAY("ERROR: pvideo_device is NULL.\n");
- return -EFAULT;
-}
-peasycap = (struct easycap *)video_get_drvdata(pvideo_device);
+ pvideo_device = video_devdata(file);
+ if (NULL == pvideo_device) {
+ SAY("ERROR: pvideo_device is NULL.\n");
+ return -EFAULT;
+ }
+ peasycap = (struct easycap *)video_get_drvdata(pvideo_device);
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
-/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- return -EFAULT;
-} else {
- JOM(16, "peasycap->pusb_device=%p\n", peasycap->pusb_device);
-}
-file->private_data = peasycap;
-rc = wakeup_device(peasycap->pusb_device);
-if (0 == rc)
- JOM(8, "wakeup_device() OK\n");
-else {
- SAM("ERROR: wakeup_device() returned %i\n", rc);
- if (-ENODEV == rc)
- SAM("ERROR: wakeup_device() returned -ENODEV\n");
- else
- SAM("ERROR: wakeup_device() returned %i\n", rc);
- return rc;
-}
-peasycap->input = 0;
-rc = reset(peasycap);
-if (rc) {
- SAM("ERROR: reset() returned %i\n", rc);
- return -EFAULT;
-}
-return 0;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return -EFAULT;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ return -EFAULT;
+ } else {
+ JOM(16, "peasycap->pusb_device=%p\n", peasycap->pusb_device);
+ }
+ file->private_data = peasycap;
+ rc = wakeup_device(peasycap->pusb_device);
+ if (0 == rc)
+ JOM(8, "wakeup_device() OK\n");
+ else {
+ SAM("ERROR: wakeup_device() rc = %i\n", rc);
+ if (-ENODEV == rc)
+ SAM("ERROR: wakeup_device() returned -ENODEV\n");
+ else
+ SAM("ERROR: wakeup_device() rc = %i\n", rc);
+ return rc;
+ }
+ peasycap->input = 0;
+ rc = reset(peasycap);
+ if (rc) {
+ SAM("ERROR: reset() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ return 0;
}
/*****************************************************************************/
@@ -221,15 +219,16 @@ return 0;
/*---------------------------------------------------------------------------*/
static int reset(struct easycap *peasycap)
{
-struct easycap_standard const *peasycap_standard;
-int i, rc, input, rate;
-bool ntsc, other;
+ struct easycap_standard const *peasycap_standard;
+ int i, rc, input, rate;
+ bool ntsc, other;
+ int fmtidx;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-input = peasycap->input;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ input = peasycap->input;
/*---------------------------------------------------------------------------*/
/*
@@ -242,74 +241,70 @@ input = peasycap->input;
* COMPLETE, SO SHOULD NOT BE INVOKED WITHOUT GOOD REASON.
*/
/*---------------------------------------------------------------------------*/
-other = false;
-if (true == peasycap->ntsc)
- JOM(8, "true=peasycap->ntsc\n");
-else
- JOM(8, "false=peasycap->ntsc\n");
-rate = ready_saa(peasycap->pusb_device);
-if (0 > rate) {
- JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
- if (true == peasycap->ntsc) {
- JOM(8, "... trying PAL ...\n"); ntsc = false;
- } else {
- JOM(8, "... trying NTSC ...\n"); ntsc = true;
-}
-rc = setup_stk(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_stk() OK\n");
-else {
- SAM("ERROR: setup_stk() returned %i\n", rc);
- return -EFAULT;
-}
-rc = setup_saa(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_saa() OK\n");
-else {
- SAM("ERROR: setup_saa() returned %i\n", rc);
- return -EFAULT;
-}
-rate = ready_saa(peasycap->pusb_device);
-if (0 > rate) {
- JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
- JOM(8, "... saa register 0x1F has 0x%02X\n",
- read_saa(peasycap->pusb_device, 0x1F));
- ntsc = peasycap->ntsc;
+ other = false;
+ JOM(8, "peasycap->ntsc=%d\n", peasycap->ntsc);
+
+ rate = ready_saa(peasycap->pusb_device);
+ if (0 > rate) {
+ JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
+ if (true == peasycap->ntsc) {
+ JOM(8, "... trying PAL ...\n"); ntsc = false;
+ } else {
+ JOM(8, "... trying NTSC ...\n"); ntsc = true;
+ }
+ rc = setup_stk(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_stk() OK\n");
+ else {
+ SAM("ERROR: setup_stk() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = setup_saa(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_saa() OK\n");
+ else {
+ SAM("ERROR: setup_saa() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rate = ready_saa(peasycap->pusb_device);
+ if (0 > rate) {
+ JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
+ JOM(8, "... saa register 0x1F has 0x%02X\n",
+ read_saa(peasycap->pusb_device, 0x1F));
+ ntsc = peasycap->ntsc;
+ } else {
+ JOM(8, "... success at second try: %i=rate\n", rate);
+ ntsc = (0 < (rate/2)) ? true : false ;
+ other = true;
+ }
} else {
- JOM(8, "... success at second try: %i=rate\n", rate);
- ntsc = (0 < (rate/2)) ? true : false ;
- other = true;
+ JOM(8, "... success at first try: %i=rate\n", rate);
+ ntsc = (0 < rate/2) ? true : false ;
}
-} else {
- JOM(8, "... success at first try: %i=rate\n", rate);
- ntsc = (0 < rate/2) ? true : false ;
-}
-if (true == ntsc)
- JOM(8, "true=ntsc\n");
-else
- JOM(8, "false=ntsc\n");
-/*---------------------------------------------------------------------------*/
-
-rc = setup_stk(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_stk() OK\n");
-else {
- SAM("ERROR: setup_stk() returned %i\n", rc);
- return -EFAULT;
-}
-rc = setup_saa(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_saa() OK\n");
-else {
- SAM("ERROR: setup_saa() returned %i\n", rc);
- return -EFAULT;
-}
+ JOM(8, "ntsc=%d\n", ntsc);
+/*---------------------------------------------------------------------------*/
-for (i = 0; i < 180; i++)
- peasycap->merit[i] = 0;
-peasycap->video_eof = 0;
-peasycap->audio_eof = 0;
-do_gettimeofday(&peasycap->timeval7);
+ rc = setup_stk(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_stk() OK\n");
+ else {
+ SAM("ERROR: setup_stk() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = setup_saa(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_saa() OK\n");
+ else {
+ SAM("ERROR: setup_saa() rc = %i\n", rc);
+ return -EFAULT;
+ }
+
+ for (i = 0; i < 180; i++)
+ peasycap->merit[i] = 0;
+
+ peasycap->video_eof = 0;
+ peasycap->audio_eof = 0;
+ do_gettimeofday(&peasycap->timeval7);
/*---------------------------------------------------------------------------*/
/*
* RESTORE INPUT AND FORCE REFRESH OF STANDARD, FORMAT, ETC.
@@ -317,86 +312,75 @@ do_gettimeofday(&peasycap->timeval7);
* WHILE THIS PROCEDURE IS IN PROGRESS, SOME IOCTL COMMANDS WILL RETURN -EBUSY.
*/
/*---------------------------------------------------------------------------*/
-peasycap->input = -8192;
-peasycap->standard_offset = -8192;
-if (true == other) {
- peasycap_standard = &easycap_standard[0];
- while (0xFFFF != peasycap_standard->mask) {
- if (true == ntsc) {
- if (NTSC_M == peasycap_standard->v4l2_standard.index) {
- peasycap->inputset[input].standard_offset =
- peasycap_standard -
- &easycap_standard[0];
- break;
- }
- } else {
- if (PAL_BGHIN ==
- peasycap_standard->v4l2_standard.index) {
+ peasycap->input = -8192;
+ peasycap->standard_offset = -8192;
+ fmtidx = ntsc ? NTSC_M : PAL_BGHIN;
+ if (other) {
+ peasycap_standard = &easycap_standard[0];
+ while (0xFFFF != peasycap_standard->mask) {
+ if (fmtidx == peasycap_standard->v4l2_standard.index) {
peasycap->inputset[input].standard_offset =
- peasycap_standard -
- &easycap_standard[0];
+ peasycap_standard - easycap_standard;
break;
}
+ peasycap_standard++;
}
- peasycap_standard++;
- }
- if (0xFFFF == peasycap_standard->mask) {
- SAM("ERROR: standard not found\n");
- return -EINVAL;
+ if (0xFFFF == peasycap_standard->mask) {
+ SAM("ERROR: standard not found\n");
+ return -EINVAL;
+ }
+ JOM(8, "%i=peasycap->inputset[%i].standard_offset\n",
+ peasycap->inputset[input].standard_offset, input);
}
-JOM(8, "%i=peasycap->inputset[%i].standard_offset\n",
- peasycap->inputset[input].standard_offset, input);
-}
-peasycap->format_offset = -8192;
-peasycap->brightness = -8192;
-peasycap->contrast = -8192;
-peasycap->saturation = -8192;
-peasycap->hue = -8192;
+ peasycap->format_offset = -8192;
+ peasycap->brightness = -8192;
+ peasycap->contrast = -8192;
+ peasycap->saturation = -8192;
+ peasycap->hue = -8192;
-rc = newinput(peasycap, input);
+ rc = newinput(peasycap, input);
-if (0 == rc)
+ if (rc) {
+ SAM("ERROR: newinput(.,%i) rc = %i\n", rc, input);
+ return -EFAULT;
+ }
JOM(4, "restored input, standard and format\n");
-else {
- SAM("ERROR: newinput(.,%i) returned %i\n", rc, input);
- return -EFAULT;
-}
-if (true == peasycap->ntsc)
- JOM(8, "true=peasycap->ntsc\n");
-else
- JOM(8, "false=peasycap->ntsc\n");
-
-if (0 > peasycap->input) {
- SAM("MISTAKE: %i=peasycap->input\n", peasycap->input);
- return -ENOENT;
-}
-if (0 > peasycap->standard_offset) {
- SAM("MISTAKE: %i=peasycap->standard_offset\n",
- peasycap->standard_offset);
- return -ENOENT;
-}
-if (0 > peasycap->format_offset) {
- SAM("MISTAKE: %i=peasycap->format_offset\n",
- peasycap->format_offset);
- return -ENOENT;
-}
-if (0 > peasycap->brightness) {
- SAM("MISTAKE: %i=peasycap->brightness\n", peasycap->brightness);
- return -ENOENT;
-}
-if (0 > peasycap->contrast) {
- SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast);
- return -ENOENT;
-}
-if (0 > peasycap->saturation) {
- SAM("MISTAKE: %i=peasycap->saturation\n", peasycap->saturation);
- return -ENOENT;
-}
-if (0 > peasycap->hue) {
- SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue);
- return -ENOENT;
-}
-return 0;
+
+ JOM(8, "true=peasycap->ntsc %d\n", peasycap->ntsc);
+
+ if (0 > peasycap->input) {
+ SAM("MISTAKE: %i=peasycap->input\n", peasycap->input);
+ return -ENOENT;
+ }
+ if (0 > peasycap->standard_offset) {
+ SAM("MISTAKE: %i=peasycap->standard_offset\n",
+ peasycap->standard_offset);
+ return -ENOENT;
+ }
+ if (0 > peasycap->format_offset) {
+ SAM("MISTAKE: %i=peasycap->format_offset\n",
+ peasycap->format_offset);
+ return -ENOENT;
+ }
+ if (0 > peasycap->brightness) {
+ SAM("MISTAKE: %i=peasycap->brightness\n",
+ peasycap->brightness);
+ return -ENOENT;
+ }
+ if (0 > peasycap->contrast) {
+ SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast);
+ return -ENOENT;
+ }
+ if (0 > peasycap->saturation) {
+ SAM("MISTAKE: %i=peasycap->saturation\n",
+ peasycap->saturation);
+ return -ENOENT;
+ }
+ if (0 > peasycap->hue) {
+ SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue);
+ return -ENOENT;
+ }
+ return 0;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
@@ -418,21 +402,21 @@ return 0;
int
newinput(struct easycap *peasycap, int input)
{
-int rc, k, m, mood, off;
-int inputnow, video_idlenow, audio_idlenow;
-bool resubmit;
+ int rc, k, m, mood, off;
+ int inputnow, video_idlenow, audio_idlenow;
+ bool resubmit;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-JOM(8, "%i=input sought\n", input);
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ JOM(8, "%i=input sought\n", input);
-if (0 > input && INPUT_MANY <= input)
- return -ENOENT;
-inputnow = peasycap->input;
-if (input == inputnow)
- return 0;
+ if (0 > input && INPUT_MANY <= input)
+ return -ENOENT;
+ inputnow = peasycap->input;
+ if (input == inputnow)
+ return 0;
/*---------------------------------------------------------------------------*/
/*
* IF STREAMING IS IN PROGRESS THE URBS ARE KILLED AT THIS
@@ -441,183 +425,187 @@ if (input == inputnow)
* ROUTINE.
*/
/*---------------------------------------------------------------------------*/
-video_idlenow = peasycap->video_idle;
-audio_idlenow = peasycap->audio_idle;
+ video_idlenow = peasycap->video_idle;
+ audio_idlenow = peasycap->audio_idle;
-peasycap->video_idle = 1;
-peasycap->audio_idle = 1;
-if (peasycap->video_isoc_streaming) {
- resubmit = true;
- kill_video_urbs(peasycap);
-} else
- resubmit = false;
+ peasycap->video_idle = 1;
+ peasycap->audio_idle = 1;
+ if (peasycap->video_isoc_streaming) {
+ resubmit = true;
+ kill_video_urbs(peasycap);
+ } else {
+ resubmit = false;
+ }
/*---------------------------------------------------------------------------*/
-if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- return -ENODEV;
-}
-rc = usb_set_interface(peasycap->pusb_device,
- peasycap->video_interface,
- peasycap->video_altsetting_off);
-if (rc) {
- SAM("ERROR: usb_set_interface() returned %i\n", rc);
- return -EFAULT;
-}
-rc = stop_100(peasycap->pusb_device);
-if (rc) {
- SAM("ERROR: stop_100() returned %i\n", rc);
- return -EFAULT;
-}
-for (k = 0; k < FIELD_BUFFER_MANY; k++) {
- for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++)
- memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE);
-}
-for (k = 0; k < FRAME_BUFFER_MANY; k++) {
- for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++)
- memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE);
-}
-peasycap->field_page = 0;
-peasycap->field_read = 0;
-peasycap->field_fill = 0;
-
-peasycap->frame_read = 0;
-peasycap->frame_fill = 0;
-for (k = 0; k < peasycap->input; k++) {
- (peasycap->frame_fill)++;
- if (peasycap->frame_buffer_many <= peasycap->frame_fill)
- peasycap->frame_fill = 0;
-}
-peasycap->input = input;
-select_input(peasycap->pusb_device, peasycap->input, 9);
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ return -ENODEV;
+ }
+ rc = usb_set_interface(peasycap->pusb_device,
+ peasycap->video_interface,
+ peasycap->video_altsetting_off);
+ if (rc) {
+ SAM("ERROR: usb_set_interface() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = stop_100(peasycap->pusb_device);
+ if (rc) {
+ SAM("ERROR: stop_100() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ for (k = 0; k < FIELD_BUFFER_MANY; k++) {
+ for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++)
+ memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE);
+ }
+ for (k = 0; k < FRAME_BUFFER_MANY; k++) {
+ for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++)
+ memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE);
+ }
+ peasycap->field_page = 0;
+ peasycap->field_read = 0;
+ peasycap->field_fill = 0;
+
+ peasycap->frame_read = 0;
+ peasycap->frame_fill = 0;
+ for (k = 0; k < peasycap->input; k++) {
+ (peasycap->frame_fill)++;
+ if (peasycap->frame_buffer_many <= peasycap->frame_fill)
+ peasycap->frame_fill = 0;
+ }
+ peasycap->input = input;
+ select_input(peasycap->pusb_device, peasycap->input, 9);
/*---------------------------------------------------------------------------*/
-if (input == peasycap->inputset[input].input) {
- off = peasycap->inputset[input].standard_offset;
- if (off != peasycap->standard_offset) {
- rc = adjust_standard(peasycap,
+ if (input == peasycap->inputset[input].input) {
+ off = peasycap->inputset[input].standard_offset;
+ if (off != peasycap->standard_offset) {
+ rc = adjust_standard(peasycap,
easycap_standard[off].v4l2_standard.id);
- if (rc) {
- SAM("ERROR: adjust_standard() returned %i\n", rc);
- return -EFAULT;
- }
- JOM(8, "%i=peasycap->standard_offset\n",
- peasycap->standard_offset);
- } else {
- JOM(8, "%i=peasycap->standard_offset unchanged\n",
+ if (rc) {
+ SAM("ERROR: adjust_standard() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->standard_offset\n",
+ peasycap->standard_offset);
+ } else {
+ JOM(8, "%i=peasycap->standard_offset unchanged\n",
peasycap->standard_offset);
- }
- off = peasycap->inputset[input].format_offset;
- if (off != peasycap->format_offset) {
- rc = adjust_format(peasycap,
- easycap_format[off].v4l2_format.fmt.pix.width,
- easycap_format[off].v4l2_format.fmt.pix.height,
- easycap_format[off].v4l2_format.fmt.pix.pixelformat,
- easycap_format[off].v4l2_format.fmt.pix.field, false);
- if (0 > rc) {
- SAM("ERROR: adjust_format() returned %i\n", rc);
- return -EFAULT;
}
- JOM(8, "%i=peasycap->format_offset\n", peasycap->format_offset);
- } else {
- JOM(8, "%i=peasycap->format_offset unchanged\n",
- peasycap->format_offset);
- }
- mood = peasycap->inputset[input].brightness;
- if (mood != peasycap->brightness) {
- rc = adjust_brightness(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_brightness returned %i\n", rc);
- return -EFAULT;
+ off = peasycap->inputset[input].format_offset;
+ if (off != peasycap->format_offset) {
+ struct v4l2_pix_format *pix =
+ &easycap_format[off].v4l2_format.fmt.pix;
+ rc = adjust_format(peasycap,
+ pix->width, pix->height,
+ pix->pixelformat, pix->field, false);
+ if (0 > rc) {
+ SAM("ERROR: adjust_format() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->format_offset\n",
+ peasycap->format_offset);
+ } else {
+ JOM(8, "%i=peasycap->format_offset unchanged\n",
+ peasycap->format_offset);
}
- JOM(8, "%i=peasycap->brightness\n", peasycap->brightness);
- }
- mood = peasycap->inputset[input].contrast;
- if (mood != peasycap->contrast) {
- rc = adjust_contrast(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_contrast returned %i\n", rc);
- return -EFAULT;
+ mood = peasycap->inputset[input].brightness;
+ if (mood != peasycap->brightness) {
+ rc = adjust_brightness(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_brightness rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->brightness\n",
+ peasycap->brightness);
}
- JOM(8, "%i=peasycap->contrast\n", peasycap->contrast);
- }
- mood = peasycap->inputset[input].saturation;
- if (mood != peasycap->saturation) {
- rc = adjust_saturation(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_saturation returned %i\n", rc);
- return -EFAULT;
+ mood = peasycap->inputset[input].contrast;
+ if (mood != peasycap->contrast) {
+ rc = adjust_contrast(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_contrast rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->contrast\n", peasycap->contrast);
}
- JOM(8, "%i=peasycap->saturation\n", peasycap->saturation);
- }
- mood = peasycap->inputset[input].hue;
- if (mood != peasycap->hue) {
- rc = adjust_hue(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_hue returned %i\n", rc);
- return -EFAULT;
+ mood = peasycap->inputset[input].saturation;
+ if (mood != peasycap->saturation) {
+ rc = adjust_saturation(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_saturation rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->saturation\n",
+ peasycap->saturation);
+ }
+ mood = peasycap->inputset[input].hue;
+ if (mood != peasycap->hue) {
+ rc = adjust_hue(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_hue rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->hue\n", peasycap->hue);
}
- JOM(8, "%i=peasycap->hue\n", peasycap->hue);
+ } else {
+ SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input);
+ return -ENOENT;
}
-} else {
- SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input);
- return -ENOENT;
-}
/*---------------------------------------------------------------------------*/
-if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- return -ENODEV;
-}
-rc = usb_set_interface(peasycap->pusb_device,
- peasycap->video_interface,
- peasycap->video_altsetting_on);
-if (rc) {
- SAM("ERROR: usb_set_interface() returned %i\n", rc);
- return -EFAULT;
-}
-rc = start_100(peasycap->pusb_device);
-if (rc) {
- SAM("ERROR: start_100() returned %i\n", rc);
- return -EFAULT;
-}
-if (true == resubmit)
- submit_video_urbs(peasycap);
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ return -ENODEV;
+ }
+ rc = usb_set_interface(peasycap->pusb_device,
+ peasycap->video_interface,
+ peasycap->video_altsetting_on);
+ if (rc) {
+ SAM("ERROR: usb_set_interface() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = start_100(peasycap->pusb_device);
+ if (rc) {
+ SAM("ERROR: start_100() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ if (true == resubmit)
+ submit_video_urbs(peasycap);
-peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1;
-peasycap->video_idle = video_idlenow;
-peasycap->audio_idle = audio_idlenow;
-peasycap->video_junk = 0;
+ peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1;
+ peasycap->video_idle = video_idlenow;
+ peasycap->audio_idle = audio_idlenow;
+ peasycap->video_junk = 0;
-return 0;
+ return 0;
}
/*****************************************************************************/
int submit_video_urbs(struct easycap *peasycap)
{
-struct data_urb *pdata_urb;
-struct urb *purb;
-struct list_head *plist_head;
-int j, isbad, nospc, m, rc;
-int isbuf;
-
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
+ struct data_urb *pdata_urb;
+ struct urb *purb;
+ struct list_head *plist_head;
+ int j, isbad, nospc, m, rc;
+ int isbuf;
-if (NULL == peasycap->purb_video_head) {
- SAY("ERROR: peasycap->urb_video_head uninitialized\n");
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAY("ERROR: peasycap->pusb_device is NULL\n");
- return -ENODEV;
-}
-if (!peasycap->video_isoc_streaming) {
- JOM(4, "submission of all video urbs\n");
- isbad = 0; nospc = 0; m = 0;
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL != pdata_urb) {
- purb = pdata_urb->purb;
- if (NULL != purb) {
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+
+ if (NULL == peasycap->purb_video_head) {
+ SAY("ERROR: peasycap->urb_video_head uninitialized\n");
+ return -EFAULT;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAY("ERROR: peasycap->pusb_device is NULL\n");
+ return -ENODEV;
+ }
+ if (!peasycap->video_isoc_streaming) {
+ JOM(4, "submission of all video urbs\n");
+ isbad = 0; nospc = 0; m = 0;
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (pdata_urb && pdata_urb->purb) {
+ purb = pdata_urb->purb;
isbuf = pdata_urb->isbuf;
purb->interval = 1;
purb->dev = peasycap->pusb_device;
@@ -635,22 +623,18 @@ if (!peasycap->video_isoc_streaming) {
purb->number_of_packets =
peasycap->video_isoc_framesperdesc;
- for (j = 0; j < peasycap->
- video_isoc_framesperdesc; j++) {
- purb->iso_frame_desc[j].
- offset = j *
- peasycap->
- video_isoc_maxframesize;
- purb->iso_frame_desc[j].
- length = peasycap->
- video_isoc_maxframesize;
- }
+ for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) {
+ purb->iso_frame_desc[j]. offset =
+ j * peasycap->video_isoc_maxframesize;
+ purb->iso_frame_desc[j]. length =
+ peasycap->video_isoc_maxframesize;
+ }
rc = usb_submit_urb(purb, GFP_KERNEL);
if (rc) {
isbad++;
SAM("ERROR: usb_submit_urb() failed "
- "for urb with rc:-%s\n",
+ "for urb with rc:-%s\n",
strerror(rc));
if (rc == -ENOSPC)
nospc++;
@@ -660,74 +644,68 @@ if (!peasycap->video_isoc_streaming) {
} else {
isbad++;
}
- } else {
- isbad++;
}
- }
- if (nospc) {
- SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc);
- SAM("..... possibly inadequate USB bandwidth\n");
- peasycap->video_eof = 1;
- }
+ if (nospc) {
+ SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc);
+ SAM("..... possibly inadequate USB bandwidth\n");
+ peasycap->video_eof = 1;
+ }
- if (isbad) {
- JOM(4, "attempting cleanup instead of submitting\n");
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb,
- list_head);
- if (NULL != pdata_urb) {
- purb = pdata_urb->purb;
- if (NULL != purb)
- usb_kill_urb(purb);
+ if (isbad) {
+ JOM(4, "attempting cleanup instead of submitting\n");
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (NULL != pdata_urb) {
+ purb = pdata_urb->purb;
+ if (NULL != purb)
+ usb_kill_urb(purb);
+ }
}
+ peasycap->video_isoc_streaming = 0;
+ } else {
+ peasycap->video_isoc_streaming = 1;
+ JOM(4, "submitted %i video urbs\n", m);
}
- peasycap->video_isoc_streaming = 0;
} else {
- peasycap->video_isoc_streaming = 1;
- JOM(4, "submitted %i video urbs\n", m);
+ JOM(4, "already streaming video urbs\n");
}
-} else {
- JOM(4, "already streaming video urbs\n");
-}
-return 0;
+ return 0;
}
/*****************************************************************************/
-int
-kill_video_urbs(struct easycap *peasycap)
+int kill_video_urbs(struct easycap *peasycap)
{
-int m;
-struct list_head *plist_head;
-struct data_urb *pdata_urb;
+ int m;
+ struct list_head *plist_head;
+ struct data_urb *pdata_urb;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (peasycap->video_isoc_streaming) {
- if (NULL != peasycap->purb_video_head) {
- peasycap->video_isoc_streaming = 0;
- JOM(4, "killing video urbs\n");
- m = 0;
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb,
- list_head);
- if (NULL != pdata_urb) {
- if (NULL != pdata_urb->purb) {
- usb_kill_urb(pdata_urb->purb);
- m++;
- }
- }
- }
- JOM(4, "%i video urbs killed\n", m);
- } else {
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (!peasycap->video_isoc_streaming) {
+ JOM(8, "%i=video_isoc_streaming, no video urbs killed\n",
+ peasycap->video_isoc_streaming);
+ return 0;
+ }
+ if (!peasycap->purb_video_head) {
SAM("ERROR: peasycap->purb_video_head is NULL\n");
return -EFAULT;
}
-} else {
- JOM(8, "%i=video_isoc_streaming, no video urbs killed\n",
- peasycap->video_isoc_streaming);
-}
-return 0;
+
+ peasycap->video_isoc_streaming = 0;
+ JOM(4, "killing video urbs\n");
+ m = 0;
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head, struct data_urb, list_head);
+ if (pdata_urb && pdata_urb->purb) {
+ usb_kill_urb(pdata_urb->purb);
+ m++;
+ }
+ }
+ JOM(4, "%i video urbs killed\n", m);
+
+ return 0;
}
/****************************************************************************/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
@@ -735,32 +713,27 @@ return 0;
static int easycap_release(struct inode *inode, struct file *file)
{
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
-struct easycap *peasycap;
+ struct easycap *peasycap;
-JOT(4, "\n");
-peasycap = file->private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL.\n");
- SAY("ending unsuccessfully\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (0 != kill_video_urbs(peasycap)) {
- SAM("ERROR: kill_video_urbs() failed\n");
- return -EFAULT;
-}
-JOM(4, "ending successfully\n");
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
-#else
-#
-/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
+ peasycap = file->private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL.\n");
+ SAY("ending unsuccessfully\n");
+ return -EFAULT;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return -EFAULT;
+ }
+ if (0 != kill_video_urbs(peasycap)) {
+ SAM("ERROR: kill_video_urbs() failed\n");
+ return -EFAULT;
+ }
+ JOM(4, "ending successfully\n");
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
-return 0;
+ return 0;
}
#ifdef EASYCAP_IS_VIDEODEV_CLIENT
static int easycap_open_noinode(struct file *file)
@@ -774,26 +747,24 @@ static int easycap_release_noinode(struct file *file)
}
static int videodev_release(struct video_device *pvideo_device)
{
-struct easycap *peasycap;
-
-JOT(4, "\n");
+ struct easycap *peasycap;
-peasycap = video_get_drvdata(pvideo_device);
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- SAY("ending unsuccessfully\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (0 != kill_video_urbs(peasycap)) {
- SAM("ERROR: kill_video_urbs() failed\n");
- return -EFAULT;
-}
-JOM(4, "ending successfully\n");
-return 0;
+ peasycap = video_get_drvdata(pvideo_device);
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ SAY("ending unsuccessfully\n");
+ return -EFAULT;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return -EFAULT;
+ }
+ if (0 != kill_video_urbs(peasycap)) {
+ SAM("ERROR: kill_video_urbs() failed\n");
+ return -EFAULT;
+ }
+ JOM(4, "ending successfully\n");
+ return 0;
}
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
@@ -809,325 +780,329 @@ return 0;
/*---------------------------------------------------------------------------*/
static void easycap_delete(struct kref *pkref)
{
-int k, m, gone, kd;
-int allocation_video_urb, allocation_video_page, allocation_video_struct;
-int allocation_audio_urb, allocation_audio_page, allocation_audio_struct;
-int registered_video, registered_audio;
-struct easycap *peasycap;
-struct data_urb *pdata_urb;
-struct list_head *plist_head, *plist_next;
-
-JOT(4, "\n");
-
-peasycap = container_of(pkref, struct easycap, kref);
-if (NULL == peasycap) {
- SAM("ERROR: peasycap is NULL: cannot perform deletions\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return;
-}
-kd = isdongle(peasycap);
+ struct easycap *peasycap;
+ struct data_urb *pdata_urb;
+ struct list_head *plist_head, *plist_next;
+ int k, m, gone, kd;
+ int allocation_video_urb;
+ int allocation_video_page;
+ int allocation_video_struct;
+ int allocation_audio_urb;
+ int allocation_audio_page;
+ int allocation_audio_struct;
+ int registered_video, registered_audio;
+
+ peasycap = container_of(pkref, struct easycap, kref);
+ if (NULL == peasycap) {
+ SAM("ERROR: peasycap is NULL: cannot perform deletions\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ kd = isdongle(peasycap);
/*---------------------------------------------------------------------------*/
/*
* FREE VIDEO.
*/
/*---------------------------------------------------------------------------*/
-if (NULL != peasycap->purb_video_head) {
- JOM(4, "freeing video urbs\n");
- m = 0;
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL == pdata_urb)
- JOM(4, "ERROR: pdata_urb is NULL\n");
- else {
- if (NULL != pdata_urb->purb) {
- usb_free_urb(pdata_urb->purb);
- pdata_urb->purb = NULL;
- peasycap->allocation_video_urb -= 1;
- m++;
+ if (NULL != peasycap->purb_video_head) {
+ JOM(4, "freeing video urbs\n");
+ m = 0;
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (NULL == pdata_urb) {
+ JOM(4, "ERROR: pdata_urb is NULL\n");
+ } else {
+ if (NULL != pdata_urb->purb) {
+ usb_free_urb(pdata_urb->purb);
+ pdata_urb->purb = NULL;
+ peasycap->allocation_video_urb -= 1;
+ m++;
+ }
}
}
- }
- JOM(4, "%i video urbs freed\n", m);
+ JOM(4, "%i video urbs freed\n", m);
/*---------------------------------------------------------------------------*/
- JOM(4, "freeing video data_urb structures.\n");
- m = 0;
- list_for_each_safe(plist_head, plist_next, peasycap->purb_video_head) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL != pdata_urb) {
- kfree(pdata_urb); pdata_urb = NULL;
- peasycap->allocation_video_struct -=
+ JOM(4, "freeing video data_urb structures.\n");
+ m = 0;
+ list_for_each_safe(plist_head, plist_next,
+ peasycap->purb_video_head) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (pdata_urb) {
+ peasycap->allocation_video_struct -=
sizeof(struct data_urb);
- m++;
+ kfree(pdata_urb);
+ pdata_urb = NULL;
+ m++;
+ }
}
+ JOM(4, "%i video data_urb structures freed\n", m);
+ JOM(4, "setting peasycap->purb_video_head=NULL\n");
+ peasycap->purb_video_head = NULL;
}
- JOM(4, "%i video data_urb structures freed\n", m);
- JOM(4, "setting peasycap->purb_video_head=NULL\n");
- peasycap->purb_video_head = NULL;
-}
/*---------------------------------------------------------------------------*/
-JOM(4, "freeing video isoc buffers.\n");
-m = 0;
-for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
- if (NULL != peasycap->video_isoc_buffer[k].pgo) {
- free_pages((unsigned long)
- (peasycap->video_isoc_buffer[k].pgo),
- VIDEO_ISOC_ORDER);
- peasycap->video_isoc_buffer[k].pgo = NULL;
- peasycap->allocation_video_page -=
- ((unsigned int)(0x01 << VIDEO_ISOC_ORDER));
- m++;
+ JOM(4, "freeing video isoc buffers.\n");
+ m = 0;
+ for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
+ if (peasycap->video_isoc_buffer[k].pgo) {
+ free_pages((unsigned long)
+ peasycap->video_isoc_buffer[k].pgo,
+ VIDEO_ISOC_ORDER);
+ peasycap->video_isoc_buffer[k].pgo = NULL;
+ peasycap->allocation_video_page -=
+ BIT(VIDEO_ISOC_ORDER);
+ m++;
+ }
}
-}
-JOM(4, "isoc video buffers freed: %i pages\n", m * (0x01 << VIDEO_ISOC_ORDER));
-/*---------------------------------------------------------------------------*/
-JOM(4, "freeing video field buffers.\n");
-gone = 0;
-for (k = 0; k < FIELD_BUFFER_MANY; k++) {
- for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
- if (NULL != peasycap->field_buffer[k][m].pgo) {
- free_page((unsigned long)
- (peasycap->field_buffer[k][m].pgo));
- peasycap->field_buffer[k][m].pgo = NULL;
- peasycap->allocation_video_page -= 1;
- gone++;
+ JOM(4, "isoc video buffers freed: %i pages\n",
+ m * (0x01 << VIDEO_ISOC_ORDER));
+/*---------------------------------------------------------------------------*/
+ JOM(4, "freeing video field buffers.\n");
+ gone = 0;
+ for (k = 0; k < FIELD_BUFFER_MANY; k++) {
+ for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
+ if (NULL != peasycap->field_buffer[k][m].pgo) {
+ free_page((unsigned long)
+ peasycap->field_buffer[k][m].pgo);
+ peasycap->field_buffer[k][m].pgo = NULL;
+ peasycap->allocation_video_page -= 1;
+ gone++;
+ }
}
}
-}
-JOM(4, "video field buffers freed: %i pages\n", gone);
-/*---------------------------------------------------------------------------*/
-JOM(4, "freeing video frame buffers.\n");
-gone = 0;
-for (k = 0; k < FRAME_BUFFER_MANY; k++) {
- for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
- if (NULL != peasycap->frame_buffer[k][m].pgo) {
- free_page((unsigned long)
- (peasycap->frame_buffer[k][m].pgo));
- peasycap->frame_buffer[k][m].pgo = NULL;
- peasycap->allocation_video_page -= 1;
- gone++;
+ JOM(4, "video field buffers freed: %i pages\n", gone);
+/*---------------------------------------------------------------------------*/
+ JOM(4, "freeing video frame buffers.\n");
+ gone = 0;
+ for (k = 0; k < FRAME_BUFFER_MANY; k++) {
+ for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
+ if (NULL != peasycap->frame_buffer[k][m].pgo) {
+ free_page((unsigned long)
+ peasycap->frame_buffer[k][m].pgo);
+ peasycap->frame_buffer[k][m].pgo = NULL;
+ peasycap->allocation_video_page -= 1;
+ gone++;
+ }
}
}
-}
-JOM(4, "video frame buffers freed: %i pages\n", gone);
+ JOM(4, "video frame buffers freed: %i pages\n", gone);
/*---------------------------------------------------------------------------*/
/*
* FREE AUDIO.
*/
/*---------------------------------------------------------------------------*/
-if (NULL != peasycap->purb_audio_head) {
- JOM(4, "freeing audio urbs\n");
- m = 0;
- list_for_each(plist_head, (peasycap->purb_audio_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL == pdata_urb)
- JOM(4, "ERROR: pdata_urb is NULL\n");
- else {
- if (NULL != pdata_urb->purb) {
- usb_free_urb(pdata_urb->purb);
- pdata_urb->purb = NULL;
- peasycap->allocation_audio_urb -= 1;
+ if (NULL != peasycap->purb_audio_head) {
+ JOM(4, "freeing audio urbs\n");
+ m = 0;
+ list_for_each(plist_head, (peasycap->purb_audio_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (NULL == pdata_urb)
+ JOM(4, "ERROR: pdata_urb is NULL\n");
+ else {
+ if (NULL != pdata_urb->purb) {
+ usb_free_urb(pdata_urb->purb);
+ pdata_urb->purb = NULL;
+ peasycap->allocation_audio_urb -= 1;
+ m++;
+ }
+ }
+ }
+ JOM(4, "%i audio urbs freed\n", m);
+/*---------------------------------------------------------------------------*/
+ JOM(4, "freeing audio data_urb structures.\n");
+ m = 0;
+ list_for_each_safe(plist_head, plist_next,
+ peasycap->purb_audio_head) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (pdata_urb) {
+ peasycap->allocation_audio_struct -=
+ sizeof(struct data_urb);
+ kfree(pdata_urb);
+ pdata_urb = NULL;
m++;
}
}
+ JOM(4, "%i audio data_urb structures freed\n", m);
+ JOM(4, "setting peasycap->purb_audio_head=NULL\n");
+ peasycap->purb_audio_head = NULL;
}
- JOM(4, "%i audio urbs freed\n", m);
/*---------------------------------------------------------------------------*/
- JOM(4, "freeing audio data_urb structures.\n");
+ JOM(4, "freeing audio isoc buffers.\n");
m = 0;
- list_for_each_safe(plist_head, plist_next, peasycap->purb_audio_head) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL != pdata_urb) {
- kfree(pdata_urb); pdata_urb = NULL;
- peasycap->allocation_audio_struct -=
- sizeof(struct data_urb);
+ for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
+ if (NULL != peasycap->audio_isoc_buffer[k].pgo) {
+ free_pages((unsigned long)
+ (peasycap->audio_isoc_buffer[k].pgo),
+ AUDIO_ISOC_ORDER);
+ peasycap->audio_isoc_buffer[k].pgo = NULL;
+ peasycap->allocation_audio_page -=
+ BIT(AUDIO_ISOC_ORDER);
m++;
}
}
-JOM(4, "%i audio data_urb structures freed\n", m);
-JOM(4, "setting peasycap->purb_audio_head=NULL\n");
-peasycap->purb_audio_head = NULL;
-}
-/*---------------------------------------------------------------------------*/
-JOM(4, "freeing audio isoc buffers.\n");
-m = 0;
-for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
- if (NULL != peasycap->audio_isoc_buffer[k].pgo) {
- free_pages((unsigned long)
- (peasycap->audio_isoc_buffer[k].pgo),
- AUDIO_ISOC_ORDER);
- peasycap->audio_isoc_buffer[k].pgo = NULL;
- peasycap->allocation_audio_page -=
- ((unsigned int)(0x01 << AUDIO_ISOC_ORDER));
- m++;
- }
-}
-JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n",
+ JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n",
m * (0x01 << AUDIO_ISOC_ORDER));
/*---------------------------------------------------------------------------*/
#ifdef CONFIG_EASYCAP_OSS
-JOM(4, "freeing audio buffers.\n");
-gone = 0;
-for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
- if (NULL != peasycap->audio_buffer[k].pgo) {
- free_page((unsigned long)(peasycap->audio_buffer[k].pgo));
- peasycap->audio_buffer[k].pgo = NULL;
- peasycap->allocation_audio_page -= 1;
- gone++;
+ JOM(4, "freeing audio buffers.\n");
+ gone = 0;
+ for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
+ if (NULL != peasycap->audio_buffer[k].pgo) {
+ free_page((unsigned long)peasycap->audio_buffer[k].pgo);
+ peasycap->audio_buffer[k].pgo = NULL;
+ peasycap->allocation_audio_page -= 1;
+ gone++;
+ }
}
-}
-JOM(4, "easyoss_delete(): audio buffers freed: %i pages\n", gone);
+ JOM(4, "easyoss_delete(): audio buffers freed: %i pages\n", gone);
#endif /* CONFIG_EASYCAP_OSS */
/*---------------------------------------------------------------------------*/
-JOM(4, "freeing easycap structure.\n");
-allocation_video_urb = peasycap->allocation_video_urb;
-allocation_video_page = peasycap->allocation_video_page;
-allocation_video_struct = peasycap->allocation_video_struct;
-registered_video = peasycap->registered_video;
-allocation_audio_urb = peasycap->allocation_audio_urb;
-allocation_audio_page = peasycap->allocation_audio_page;
-allocation_audio_struct = peasycap->allocation_audio_struct;
-registered_audio = peasycap->registered_audio;
-
-kfree(peasycap);
-
-if (0 <= kd && DONGLE_MANY > kd) {
- if (mutex_lock_interruptible(&mutex_dongle)) {
- SAY("ERROR: cannot down mutex_dongle\n");
+ JOM(4, "freeing easycap structure.\n");
+ allocation_video_urb = peasycap->allocation_video_urb;
+ allocation_video_page = peasycap->allocation_video_page;
+ allocation_video_struct = peasycap->allocation_video_struct;
+ registered_video = peasycap->registered_video;
+ allocation_audio_urb = peasycap->allocation_audio_urb;
+ allocation_audio_page = peasycap->allocation_audio_page;
+ allocation_audio_struct = peasycap->allocation_audio_struct;
+ registered_audio = peasycap->registered_audio;
+
+ kfree(peasycap);
+
+ if (0 <= kd && DONGLE_MANY > kd) {
+ if (mutex_lock_interruptible(&mutex_dongle)) {
+ SAY("ERROR: cannot down mutex_dongle\n");
+ } else {
+ JOM(4, "locked mutex_dongle\n");
+ easycapdc60_dongle[kd].peasycap = NULL;
+ mutex_unlock(&mutex_dongle);
+ JOM(4, "unlocked mutex_dongle\n");
+ JOT(4, " null-->dongle[%i].peasycap\n", kd);
+ allocation_video_struct -= sizeof(struct easycap);
+ }
} else {
- JOM(4, "locked mutex_dongle\n");
- easycapdc60_dongle[kd].peasycap = NULL;
- mutex_unlock(&mutex_dongle);
- JOM(4, "unlocked mutex_dongle\n");
- JOT(4, " null-->easycapdc60_dongle[%i].peasycap\n", kd);
- allocation_video_struct -= sizeof(struct easycap);
- }
-} else {
- SAY("ERROR: cannot purge easycapdc60_dongle[].peasycap");
-}
+ SAY("ERROR: cannot purge dongle[].peasycap");
+ }
/*---------------------------------------------------------------------------*/
-SAY("%8i= video urbs after all deletions\n", allocation_video_urb);
-SAY("%8i= video pages after all deletions\n", allocation_video_page);
-SAY("%8i= video structs after all deletions\n", allocation_video_struct);
-SAY("%8i= video devices after all deletions\n", registered_video);
-SAY("%8i= audio urbs after all deletions\n", allocation_audio_urb);
-SAY("%8i= audio pages after all deletions\n", allocation_audio_page);
-SAY("%8i= audio structs after all deletions\n", allocation_audio_struct);
-SAY("%8i= audio devices after all deletions\n", registered_audio);
-
-JOT(4, "ending.\n");
-return;
+ SAY("%8i=video urbs after all deletions\n", allocation_video_urb);
+ SAY("%8i=video pages after all deletions\n", allocation_video_page);
+ SAY("%8i=video structs after all deletions\n", allocation_video_struct);
+ SAY("%8i=video devices after all deletions\n", registered_video);
+ SAY("%8i=audio urbs after all deletions\n", allocation_audio_urb);
+ SAY("%8i=audio pages after all deletions\n", allocation_audio_page);
+ SAY("%8i=audio structs after all deletions\n", allocation_audio_struct);
+ SAY("%8i=audio devices after all deletions\n", registered_audio);
+
+ JOT(4, "ending.\n");
+ return;
}
/*****************************************************************************/
static unsigned int easycap_poll(struct file *file, poll_table *wait)
{
-struct easycap *peasycap;
-int rc, kd;
+ struct easycap *peasycap;
+ int rc, kd;
-JOT(8, "\n");
+ JOT(8, "\n");
-if (NULL == ((poll_table *)wait))
- JOT(8, "WARNING: poll table pointer is NULL ... continuing\n");
-if (NULL == file) {
- SAY("ERROR: file pointer is NULL\n");
- return -ERESTARTSYS;
-}
-peasycap = file->private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAY("ERROR: peasycap->pusb_device is NULL\n");
- return -EFAULT;
-}
-/*---------------------------------------------------------------------------*/
-kd = isdongle(peasycap);
-if (0 <= kd && DONGLE_MANY > kd) {
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
- SAY("ERROR: cannot down "
- "easycapdc60_dongle[%i].mutex_video\n", kd);
- return -ERESTARTSYS;
- }
- JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd);
- /*-------------------------------------------------------------------*/
- /*
- * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER
- * peasycap, IN WHICH CASE A REPEAT CALL TO isdongle() WILL FAIL.
- * IF NECESSARY, BAIL OUT.
- */
- /*-------------------------------------------------------------------*/
- if (kd != isdongle(peasycap))
- return -ERESTARTSYS;
+ if (NULL == ((poll_table *)wait))
+ JOT(8, "WARNING: poll table pointer is NULL ... continuing\n");
if (NULL == file) {
- SAY("ERROR: file is NULL\n");
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ SAY("ERROR: file pointer is NULL\n");
return -ERESTARTSYS;
}
peasycap = file->private_data;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return -ERESTARTSYS;
+ return -EFAULT;
}
if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
SAY("ERROR: bad peasycap: %p\n", peasycap);
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return -ERESTARTSYS;
+ return -EFAULT;
}
if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return -ERESTARTSYS;
+ SAY("ERROR: peasycap->pusb_device is NULL\n");
+ return -EFAULT;
}
-} else
- /*-------------------------------------------------------------------*/
+/*---------------------------------------------------------------------------*/
+ kd = isdongle(peasycap);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
+ SAY("ERROR: cannot down dongle[%i].mutex_video\n", kd);
+ return -ERESTARTSYS;
+ }
+ JOM(4, "locked dongle[%i].mutex_video\n", kd);
+ /*
+ * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER
+ * peasycap, IN WHICH CASE A REPEAT CALL TO isdongle() WILL FAIL.
+ * IF NECESSARY, BAIL OUT.
+ */
+ if (kd != isdongle(peasycap))
+ return -ERESTARTSYS;
+ if (NULL == file) {
+ SAY("ERROR: file is NULL\n");
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ peasycap = file->private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ } else
/*
* IF easycap_usb_disconnect() HAS ALREADY FREED POINTER peasycap
* BEFORE THE ATTEMPT TO ACQUIRE THE SEMAPHORE, isdongle() WILL
* HAVE FAILED. BAIL OUT.
*/
- /*-------------------------------------------------------------------*/
- return -ERESTARTSYS;
-/*---------------------------------------------------------------------------*/
-rc = easycap_dqbuf(peasycap, 0);
-peasycap->polled = 1;
-mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
-if (0 == rc)
- return POLLIN | POLLRDNORM;
-else
- return POLLERR;
-}
+ return -ERESTARTSYS;
+/*---------------------------------------------------------------------------*/
+ rc = easycap_dqbuf(peasycap, 0);
+ peasycap->polled = 1;
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ if (0 == rc)
+ return POLLIN | POLLRDNORM;
+ else
+ return POLLERR;
+ }
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
/*
* IF mode IS NONZERO THIS ROUTINE RETURNS -EAGAIN RATHER THAN BLOCKING.
*/
/*---------------------------------------------------------------------------*/
-int
-easycap_dqbuf(struct easycap *peasycap, int mode)
+int easycap_dqbuf(struct easycap *peasycap, int mode)
{
-int input, ifield, miss, rc;
+ int input, ifield, miss, rc;
-JOT(8, "\n");
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAY("ERROR: peasycap->pusb_device is NULL\n");
- return -EFAULT;
-}
-ifield = 0;
-JOM(8, "%i=ifield\n", ifield);
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAY("ERROR: peasycap->pusb_device is NULL\n");
+ return -EFAULT;
+ }
+ ifield = 0;
+ JOM(8, "%i=ifield\n", ifield);
/*---------------------------------------------------------------------------*/
/*
* CHECK FOR LOST INPUT SIGNAL.
@@ -1143,187 +1118,186 @@ JOM(8, "%i=ifield\n", ifield);
* INPUT 0 UNPLUGGED, INPUT 4 UNPLUGGED => SCREEN 0 BARS, SCREEN 4 BARS
*/
/*---------------------------------------------------------------------------*/
-input = peasycap->input;
-if (0 <= input && INPUT_MANY > input) {
- rc = read_saa(peasycap->pusb_device, 0x1F);
- if (0 <= rc) {
- if (rc & 0x40)
- peasycap->lost[input] += 1;
- else
- peasycap->lost[input] -= 2;
+ input = peasycap->input;
+ if (0 <= input && INPUT_MANY > input) {
+ rc = read_saa(peasycap->pusb_device, 0x1F);
+ if (0 <= rc) {
+ if (rc & 0x40)
+ peasycap->lost[input] += 1;
+ else
+ peasycap->lost[input] -= 2;
- if (0 > peasycap->lost[input])
- peasycap->lost[input] = 0;
- else if ((2 * VIDEO_LOST_TOLERATE) < peasycap->lost[input])
- peasycap->lost[input] = (2 * VIDEO_LOST_TOLERATE);
+ if (0 > peasycap->lost[input])
+ peasycap->lost[input] = 0;
+ else if ((2 * VIDEO_LOST_TOLERATE) < peasycap->lost[input])
+ peasycap->lost[input] = (2 * VIDEO_LOST_TOLERATE);
+ }
}
-}
/*---------------------------------------------------------------------------*/
/*
* WAIT FOR FIELD ifield (0 => TOP, 1 => BOTTOM)
*/
/*---------------------------------------------------------------------------*/
-miss = 0;
-while ((peasycap->field_read == peasycap->field_fill) ||
- (0 != (0xFF00 & peasycap->field_buffer
+ miss = 0;
+ while ((peasycap->field_read == peasycap->field_fill) ||
+ (0 != (0xFF00 & peasycap->field_buffer
[peasycap->field_read][0].kount)) ||
- (ifield != (0x00FF & peasycap->field_buffer
+ (ifield != (0x00FF & peasycap->field_buffer
[peasycap->field_read][0].kount))) {
- if (mode)
- return -EAGAIN;
-
- JOM(8, "first wait on wq_video, "
- "%i=field_read %i=field_fill\n",
- peasycap->field_read, peasycap->field_fill);
+ if (mode)
+ return -EAGAIN;
- if (0 != (wait_event_interruptible(peasycap->wq_video,
- (peasycap->video_idle || peasycap->video_eof ||
- ((peasycap->field_read != peasycap->field_fill) &&
- (0 == (0xFF00 & peasycap->field_buffer
- [peasycap->field_read][0].kount)) &&
- (ifield == (0x00FF & peasycap->field_buffer
- [peasycap->field_read][0].kount))))))) {
- SAM("aborted by signal\n");
- return -EIO;
- }
- if (peasycap->video_idle) {
- JOM(8, "%i=peasycap->video_idle ... returning -EAGAIN\n",
- peasycap->video_idle);
- return -EAGAIN;
- }
- if (peasycap->video_eof) {
- JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
- #if defined(PERSEVERE)
- if (1 == peasycap->status) {
- JOM(8, "persevering ...\n");
- peasycap->video_eof = 0;
- peasycap->audio_eof = 0;
- if (0 != reset(peasycap)) {
- JOM(8, " ... failed ... returning -EIO\n");
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- return -EIO;
+ JOM(8, "first wait on wq_video, "
+ "%i=field_read %i=field_fill\n",
+ peasycap->field_read, peasycap->field_fill);
+
+ if (0 != (wait_event_interruptible(peasycap->wq_video,
+ (peasycap->video_idle || peasycap->video_eof ||
+ ((peasycap->field_read != peasycap->field_fill) &&
+ (0 == (0xFF00 & peasycap->field_buffer
+ [peasycap->field_read][0].kount)) &&
+ (ifield == (0x00FF & peasycap->field_buffer
+ [peasycap->field_read][0].kount))))))) {
+ SAM("aborted by signal\n");
+ return -EIO;
}
- peasycap->status = 0;
- JOM(8, " ... OK ... returning -EAGAIN\n");
+ if (peasycap->video_idle) {
+ JOM(8, "%i=peasycap->video_idle returning -EAGAIN\n",
+ peasycap->video_idle);
return -EAGAIN;
}
- #endif /*PERSEVERE*/
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- JOM(8, "returning -EIO\n");
- return -EIO;
+ if (peasycap->video_eof) {
+ JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
+ #if defined(PERSEVERE)
+ if (1 == peasycap->status) {
+ JOM(8, "persevering ...\n");
+ peasycap->video_eof = 0;
+ peasycap->audio_eof = 0;
+ if (0 != reset(peasycap)) {
+ JOM(8, " ... failed returning -EIO\n");
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ return -EIO;
+ }
+ peasycap->status = 0;
+ JOM(8, " ... OK returning -EAGAIN\n");
+ return -EAGAIN;
+ }
+ #endif /*PERSEVERE*/
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ JOM(8, "returning -EIO\n");
+ return -EIO;
+ }
+ miss++;
}
-miss++;
-}
-JOM(8, "first awakening on wq_video after %i waits\n", miss);
+ JOM(8, "first awakening on wq_video after %i waits\n", miss);
-rc = field2frame(peasycap);
-if (rc)
- SAM("ERROR: field2frame() returned %i\n", rc);
+ rc = field2frame(peasycap);
+ if (rc)
+ SAM("ERROR: field2frame() rc = %i\n", rc);
/*---------------------------------------------------------------------------*/
/*
* WAIT FOR THE OTHER FIELD
*/
/*---------------------------------------------------------------------------*/
-if (ifield)
- ifield = 0;
-else
- ifield = 1;
-miss = 0;
-while ((peasycap->field_read == peasycap->field_fill) ||
- (0 != (0xFF00 & peasycap->field_buffer
+ if (ifield)
+ ifield = 0;
+ else
+ ifield = 1;
+ miss = 0;
+ while ((peasycap->field_read == peasycap->field_fill) ||
+ (0 != (0xFF00 & peasycap->field_buffer
[peasycap->field_read][0].kount)) ||
- (ifield != (0x00FF & peasycap->field_buffer
+ (ifield != (0x00FF & peasycap->field_buffer
[peasycap->field_read][0].kount))) {
- if (mode)
- return -EAGAIN;
+ if (mode)
+ return -EAGAIN;
- JOM(8, "second wait on wq_video, "
- "%i=field_read %i=field_fill\n",
+ JOM(8, "second wait on wq_video %i=field_read %i=field_fill\n",
peasycap->field_read, peasycap->field_fill);
- if (0 != (wait_event_interruptible(peasycap->wq_video,
+ if (0 != (wait_event_interruptible(peasycap->wq_video,
(peasycap->video_idle || peasycap->video_eof ||
((peasycap->field_read != peasycap->field_fill) &&
- (0 == (0xFF00 & peasycap->field_buffer
+ (0 == (0xFF00 & peasycap->field_buffer
[peasycap->field_read][0].kount)) &&
- (ifield == (0x00FF & peasycap->field_buffer
- [peasycap->field_read][0].
+ (ifield == (0x00FF & peasycap->field_buffer
+ [peasycap->field_read][0].
kount))))))) {
- SAM("aborted by signal\n");
- return -EIO;
- }
- if (peasycap->video_idle) {
- JOM(8, "%i=peasycap->video_idle ... returning -EAGAIN\n",
+ SAM("aborted by signal\n");
+ return -EIO;
+ }
+ if (peasycap->video_idle) {
+ JOM(8, "%i=peasycap->video_idle returning -EAGAIN\n",
peasycap->video_idle);
- return -EAGAIN;
- }
- if (peasycap->video_eof) {
- JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
- #if defined(PERSEVERE)
- if (1 == peasycap->status) {
- JOM(8, "persevering ...\n");
- peasycap->video_eof = 0;
- peasycap->audio_eof = 0;
- if (0 != reset(peasycap)) {
- JOM(8, " ... failed ... returning -EIO\n");
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- return -EIO;
- }
- peasycap->status = 0;
- JOM(8, " ... OK ... returning -EAGAIN\n");
return -EAGAIN;
}
- #endif /*PERSEVERE*/
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- JOM(8, "returning -EIO\n");
- return -EIO;
+ if (peasycap->video_eof) {
+ JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
+ #if defined(PERSEVERE)
+ if (1 == peasycap->status) {
+ JOM(8, "persevering ...\n");
+ peasycap->video_eof = 0;
+ peasycap->audio_eof = 0;
+ if (0 != reset(peasycap)) {
+ JOM(8, " ... failed returning -EIO\n");
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ return -EIO;
+ }
+ peasycap->status = 0;
+ JOM(8, " ... OK ... returning -EAGAIN\n");
+ return -EAGAIN;
+ }
+ #endif /*PERSEVERE*/
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ JOM(8, "returning -EIO\n");
+ return -EIO;
+ }
+ miss++;
}
-miss++;
-}
-JOM(8, "second awakening on wq_video after %i waits\n", miss);
+ JOM(8, "second awakening on wq_video after %i waits\n", miss);
-rc = field2frame(peasycap);
-if (rc)
- SAM("ERROR: field2frame() returned %i\n", rc);
+ rc = field2frame(peasycap);
+ if (rc)
+ SAM("ERROR: field2frame() rc = %i\n", rc);
/*---------------------------------------------------------------------------*/
/*
* WASTE THIS FRAME
*/
/*---------------------------------------------------------------------------*/
-if (0 != peasycap->skip) {
- peasycap->skipped++;
- if (peasycap->skip != peasycap->skipped)
- return peasycap->skip - peasycap->skipped;
- peasycap->skipped = 0;
-}
+ if (0 != peasycap->skip) {
+ peasycap->skipped++;
+ if (peasycap->skip != peasycap->skipped)
+ return peasycap->skip - peasycap->skipped;
+ peasycap->skipped = 0;
+ }
/*---------------------------------------------------------------------------*/
-peasycap->frame_read = peasycap->frame_fill;
-peasycap->queued[peasycap->frame_read] = 0;
-peasycap->done[peasycap->frame_read] = V4L2_BUF_FLAG_DONE;
+ peasycap->frame_read = peasycap->frame_fill;
+ peasycap->queued[peasycap->frame_read] = 0;
+ peasycap->done[peasycap->frame_read] = V4L2_BUF_FLAG_DONE;
-(peasycap->frame_fill)++;
-if (peasycap->frame_buffer_many <= peasycap->frame_fill)
- peasycap->frame_fill = 0;
+ peasycap->frame_fill++;
+ if (peasycap->frame_buffer_many <= peasycap->frame_fill)
+ peasycap->frame_fill = 0;
-if (0x01 & easycap_standard[peasycap->standard_offset].mask) {
- peasycap->frame_buffer[peasycap->frame_read][0].kount =
+ if (0x01 & easycap_standard[peasycap->standard_offset].mask)
+ peasycap->frame_buffer[peasycap->frame_read][0].kount =
V4L2_FIELD_TOP;
-} else {
- peasycap->frame_buffer[peasycap->frame_read][0].kount =
+ else
+ peasycap->frame_buffer[peasycap->frame_read][0].kount =
V4L2_FIELD_BOTTOM;
-}
-JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
-JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
-return 0;
+ JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
+ JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
+
+ return 0;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
@@ -1341,222 +1315,213 @@ return 0;
int
field2frame(struct easycap *peasycap)
{
-struct timeval timeval;
-long long int above, below;
-u32 remainder;
-struct signed_div_result sdr;
-
-void *pex, *pad;
-int kex, kad, mex, mad, rex, rad, rad2;
-int c2, c3, w2, w3, cz, wz;
-int rc, bytesperpixel, multiplier, much, more, over, rump, caches, input;
-u8 mask, margin;
-bool odd, isuy, decimatepixel, offerfields, badinput;
-
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
+ struct timeval timeval;
+ long long int above, below;
+ u32 remainder;
+ struct signed_div_result sdr;
+
+ void *pex, *pad;
+ int kex, kad, mex, mad, rex, rad, rad2;
+ int c2, c3, w2, w3, cz, wz;
+ int rc, bytesperpixel, multiplier;
+ int much, more, over, rump, caches, input;
+ u8 mask, margin;
+ bool odd, isuy, decimatepixel, offerfields, badinput;
+
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
-badinput = false;
-input = 0x07 & peasycap->field_buffer[peasycap->field_read][0].input;
+ badinput = false;
+ input = 0x07 & peasycap->field_buffer[peasycap->field_read][0].input;
-JOM(8, "===== parity %i, input 0x%02X, field buffer %i --> "
- "frame buffer %i\n",
+ JOM(8, "===== parity %i, input 0x%02X, field buffer %i --> "
+ "frame buffer %i\n",
peasycap->field_buffer[peasycap->field_read][0].kount,
peasycap->field_buffer[peasycap->field_read][0].input,
peasycap->field_read, peasycap->frame_fill);
-JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel);
-if (true == peasycap->offerfields)
- JOM(8, "===== offerfields\n");
+ JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel);
+ if (true == peasycap->offerfields)
+ JOM(8, "===== offerfields\n");
/*---------------------------------------------------------------------------*/
/*
* REJECT OR CLEAN BAD FIELDS
*/
/*---------------------------------------------------------------------------*/
-if (peasycap->field_read == peasycap->field_fill) {
- SAM("ERROR: on entry, still filling field buffer %i\n",
- peasycap->field_read);
- return 0;
-}
+ if (peasycap->field_read == peasycap->field_fill) {
+ SAM("ERROR: on entry, still filling field buffer %i\n",
+ peasycap->field_read);
+ return 0;
+ }
#ifdef EASYCAP_TESTCARD
-easycap_testcard(peasycap, peasycap->field_read);
+ easycap_testcard(peasycap, peasycap->field_read);
#else
-if (0 <= input && INPUT_MANY > input) {
- if (easycap_bars && VIDEO_LOST_TOLERATE <= peasycap->lost[input])
- easycap_testcard(peasycap, peasycap->field_read);
-}
+ if (0 <= input && INPUT_MANY > input) {
+ if (easycap_bars && VIDEO_LOST_TOLERATE <= peasycap->lost[input])
+ easycap_testcard(peasycap, peasycap->field_read);
+ }
#endif /*EASYCAP_TESTCARD*/
/*---------------------------------------------------------------------------*/
-offerfields = peasycap->offerfields;
-bytesperpixel = peasycap->bytesperpixel;
-decimatepixel = peasycap->decimatepixel;
+ offerfields = peasycap->offerfields;
+ bytesperpixel = peasycap->bytesperpixel;
+ decimatepixel = peasycap->decimatepixel;
-if ((2 != bytesperpixel) &&
- (3 != bytesperpixel) &&
- (4 != bytesperpixel)) {
- SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
- return -EFAULT;
-}
-if (true == decimatepixel)
- multiplier = 2;
-else
- multiplier = 1;
-
-w2 = 2 * multiplier * (peasycap->width);
-w3 = bytesperpixel *
- multiplier *
- (peasycap->width);
-wz = multiplier *
- (peasycap->height) *
- multiplier *
- (peasycap->width);
-
-kex = peasycap->field_read; mex = 0;
-kad = peasycap->frame_fill; mad = 0;
-
-pex = peasycap->field_buffer[kex][0].pgo; rex = PAGE_SIZE;
-pad = peasycap->frame_buffer[kad][0].pgo; rad = PAGE_SIZE;
-if (peasycap->field_buffer[kex][0].kount)
- odd = true;
-else
- odd = false;
-
-if ((true == odd) && (false == decimatepixel)) {
- JOM(8, " initial skipping %4i bytes p.%4i\n",
- w3/multiplier, mad);
- pad += (w3 / multiplier); rad -= (w3 / multiplier);
-}
-isuy = true;
-mask = 0; rump = 0; caches = 0;
+ if ((2 != bytesperpixel) &&
+ (3 != bytesperpixel) &&
+ (4 != bytesperpixel)) {
+ SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
+ return -EFAULT;
+ }
+ if (true == decimatepixel)
+ multiplier = 2;
+ else
+ multiplier = 1;
-cz = 0;
-while (cz < wz) {
- /*-------------------------------------------------------------------*/
- /*
- ** PROCESS ONE LINE OF FRAME AT FULL RESOLUTION:
- ** READ w2 BYTES FROM FIELD BUFFER,
- ** WRITE w3 BYTES TO FRAME BUFFER
- **/
- /*-------------------------------------------------------------------*/
- if (false == decimatepixel) {
- over = w2;
- do {
- much = over; more = 0; margin = 0; mask = 0x00;
- if (rex < much)
- much = rex;
- rump = 0;
-
- if (much % 2) {
- SAM("MISTAKE: much is odd\n");
- return -EFAULT;
- }
+ w2 = 2 * multiplier * (peasycap->width);
+ w3 = bytesperpixel * multiplier * (peasycap->width);
+ wz = multiplier * (peasycap->height) *
+ multiplier * (peasycap->width);
+
+ kex = peasycap->field_read; mex = 0;
+ kad = peasycap->frame_fill; mad = 0;
+
+ pex = peasycap->field_buffer[kex][0].pgo; rex = PAGE_SIZE;
+ pad = peasycap->frame_buffer[kad][0].pgo; rad = PAGE_SIZE;
+ odd = !!(peasycap->field_buffer[kex][0].kount);
+
+ if ((true == odd) && (false == decimatepixel)) {
+ JOM(8, "initial skipping %4i bytes p.%4i\n",
+ w3/multiplier, mad);
+ pad += (w3 / multiplier); rad -= (w3 / multiplier);
+ }
+ isuy = true;
+ mask = 0; rump = 0; caches = 0;
+
+ cz = 0;
+ while (cz < wz) {
+ /*
+ * PROCESS ONE LINE OF FRAME AT FULL RESOLUTION:
+ * READ w2 BYTES FROM FIELD BUFFER,
+ * WRITE w3 BYTES TO FRAME BUFFER
+ */
+ if (false == decimatepixel) {
+ over = w2;
+ do {
+ much = over; more = 0;
+ margin = 0; mask = 0x00;
+ if (rex < much)
+ much = rex;
+ rump = 0;
+
+ if (much % 2) {
+ SAM("MISTAKE: much is odd\n");
+ return -EFAULT;
+ }
- more = (bytesperpixel *
- much) / 2;
+ more = (bytesperpixel *
+ much) / 2;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (1 < bytesperpixel) {
- if (rad * 2 < much * bytesperpixel) {
- /*
- ** INJUDICIOUS ALTERATION OF THIS
- ** STATEMENT BLOCK WILL CAUSE
- ** BREAKAGE. BEWARE.
- **/
- rad2 = rad + bytesperpixel - 1;
- much = ((((2 *
- rad2)/bytesperpixel)/2) * 2);
- rump = ((bytesperpixel *
- much) / 2) - rad;
- more = rad;
+ if (1 < bytesperpixel) {
+ if (rad * 2 < much * bytesperpixel) {
+ /*
+ * INJUDICIOUS ALTERATION OF
+ * THIS STATEMENT BLOCK WILL
+ * CAUSE BREAKAGE. BEWARE.
+ */
+ rad2 = rad + bytesperpixel - 1;
+ much = ((((2 *
+ rad2)/bytesperpixel)/2) * 2);
+ rump = ((bytesperpixel *
+ much) / 2) - rad;
+ more = rad;
+ }
+ mask = (u8)rump;
+ margin = 0;
+ if (much == rex) {
+ mask |= 0x04;
+ if ((mex + 1) < FIELD_BUFFER_SIZE/
+ PAGE_SIZE) {
+ margin = *((u8 *)(peasycap->
+ field_buffer
+ [kex][mex + 1].pgo));
+ } else
+ mask |= 0x08;
}
- mask = (u8)rump;
- margin = 0;
- if (much == rex) {
- mask |= 0x04;
- if ((mex + 1) < FIELD_BUFFER_SIZE/
- PAGE_SIZE) {
- margin = *((u8 *)(peasycap->
- field_buffer
- [kex][mex + 1].pgo));
- } else
- mask |= 0x08;
+ } else {
+ SAM("MISTAKE: %i=bytesperpixel\n",
+ bytesperpixel);
+ return -EFAULT;
}
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- } else {
- SAM("MISTAKE: %i=bytesperpixel\n",
- bytesperpixel);
- return -EFAULT;
- }
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (rump)
- caches++;
- if (true == badinput) {
- JOM(8, "ERROR: 0x%02X=->field_buffer"
- "[%i][%i].input, "
- "0x%02X=(0x08|->input)\n",
- peasycap->field_buffer
- [kex][mex].input, kex, mex,
- (0x08|peasycap->input));
+ if (rump)
+ caches++;
+ if (true == badinput) {
+ JOM(8, "ERROR: 0x%02X=->field_buffer"
+ "[%i][%i].input, "
+ "0x%02X=(0x08|->input)\n",
+ peasycap->field_buffer
+ [kex][mex].input, kex, mex,
+ (0x08|peasycap->input));
+ }
+ rc = redaub(peasycap, pad, pex, much, more,
+ mask, margin, isuy);
+ if (0 > rc) {
+ SAM("ERROR: redaub() failed\n");
+ return -EFAULT;
}
- rc = redaub(peasycap, pad, pex, much, more,
- mask, margin, isuy);
- if (0 > rc) {
- SAM("ERROR: redaub() failed\n");
- return -EFAULT;
- }
- if (much % 4) {
- if (isuy)
- isuy = false;
- else
- isuy = true;
- }
- over -= much; cz += much;
- pex += much; rex -= much;
- if (!rex) {
- mex++;
- pex = peasycap->field_buffer[kex][mex].pgo;
- rex = PAGE_SIZE;
- if (peasycap->field_buffer[kex][mex].input !=
- (0x08|peasycap->input))
- badinput = true;
- }
- pad += more;
- rad -= more;
- if (!rad) {
- mad++;
- pad = peasycap->frame_buffer[kad][mad].pgo;
- rad = PAGE_SIZE;
- if (rump) {
- pad += rump;
- rad -= rump;
+ if (much % 4) {
+ if (isuy)
+ isuy = false;
+ else
+ isuy = true;
}
- }
- } while (over);
+ over -= much; cz += much;
+ pex += much; rex -= much;
+ if (!rex) {
+ mex++;
+ pex = peasycap->field_buffer[kex][mex].pgo;
+ rex = PAGE_SIZE;
+ if (peasycap->field_buffer[kex][mex].input !=
+ (0x08|peasycap->input))
+ badinput = true;
+ }
+ pad += more;
+ rad -= more;
+ if (!rad) {
+ mad++;
+ pad = peasycap->frame_buffer[kad][mad].pgo;
+ rad = PAGE_SIZE;
+ if (rump) {
+ pad += rump;
+ rad -= rump;
+ }
+ }
+ } while (over);
/*---------------------------------------------------------------------------*/
/*
* SKIP w3 BYTES IN TARGET FRAME BUFFER,
* UNLESS IT IS THE LAST LINE OF AN ODD FRAME
*/
/*---------------------------------------------------------------------------*/
- if ((false == odd) || (cz != wz)) {
- over = w3;
- do {
- if (!rad) {
- mad++;
- pad = peasycap->frame_buffer
- [kad][mad].pgo;
- rad = PAGE_SIZE;
- }
- more = over;
- if (rad < more)
- more = rad;
- over -= more;
- pad += more;
- rad -= more;
- } while (over);
- }
+ if ((false == odd) || (cz != wz)) {
+ over = w3;
+ do {
+ if (!rad) {
+ mad++;
+ pad = peasycap->frame_buffer
+ [kad][mad].pgo;
+ rad = PAGE_SIZE;
+ }
+ more = over;
+ if (rad < more)
+ more = rad;
+ over -= more;
+ pad += more;
+ rad -= more;
+ } while (over);
+ }
/*---------------------------------------------------------------------------*/
/*
* PROCESS ONE LINE OF FRAME AT REDUCED RESOLUTION:
@@ -1565,48 +1530,47 @@ while (cz < wz) {
* WRITE w3 / 2 BYTES TO FRAME BUFFER
*/
/*---------------------------------------------------------------------------*/
- } else if (false == odd) {
- over = w2;
- do {
- much = over; more = 0; margin = 0; mask = 0x00;
- if (rex < much)
- much = rex;
- rump = 0;
+ } else if (false == odd) {
+ over = w2;
+ do {
+ much = over; more = 0; margin = 0; mask = 0x00;
+ if (rex < much)
+ much = rex;
+ rump = 0;
- if (much % 2) {
- SAM("MISTAKE: much is odd\n");
- return -EFAULT;
- }
+ if (much % 2) {
+ SAM("MISTAKE: much is odd\n");
+ return -EFAULT;
+ }
- more = (bytesperpixel *
- much) / 4;
+ more = (bytesperpixel * much) / 4;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (1 < bytesperpixel) {
- if (rad * 4 < much * bytesperpixel) {
- /*
- ** INJUDICIOUS ALTERATION OF THIS
- ** STATEMENT BLOCK WILL CAUSE
- ** BREAKAGE. BEWARE.
- **/
- rad2 = rad + bytesperpixel - 1;
- much = ((((2 * rad2)/bytesperpixel)/2)
- * 4);
- rump = ((bytesperpixel *
- much) / 4) - rad;
- more = rad;
+ if (1 < bytesperpixel) {
+ if (rad * 4 < much * bytesperpixel) {
+ /*
+ * INJUDICIOUS ALTERATION OF
+ * THIS STATEMENT BLOCK
+ * WILL CAUSE BREAKAGE.
+ * BEWARE.
+ */
+ rad2 = rad + bytesperpixel - 1;
+ much = ((((2 * rad2)/bytesperpixel)/2)
+ * 4);
+ rump = ((bytesperpixel *
+ much) / 4) - rad;
+ more = rad;
}
- mask = (u8)rump;
- margin = 0;
- if (much == rex) {
- mask |= 0x04;
- if ((mex + 1) < FIELD_BUFFER_SIZE/
- PAGE_SIZE) {
- margin = *((u8 *)(peasycap->
- field_buffer
- [kex][mex + 1].pgo));
- }
- else
- mask |= 0x08;
+ mask = (u8)rump;
+ margin = 0;
+ if (much == rex) {
+ mask |= 0x04;
+ if ((mex + 1) < FIELD_BUFFER_SIZE/
+ PAGE_SIZE) {
+ margin = *((u8 *)(peasycap->
+ field_buffer
+ [kex][mex + 1].pgo));
+ } else
+ mask |= 0x08;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
} else {
@@ -1615,164 +1579,161 @@ while (cz < wz) {
return -EFAULT;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (rump)
- caches++;
-
- if (true == badinput) {
- JOM(8, "ERROR: 0x%02X=->field_buffer"
- "[%i][%i].input, "
- "0x%02X=(0x08|->input)\n",
- peasycap->field_buffer
- [kex][mex].input, kex, mex,
- (0x08|peasycap->input));
- }
- rc = redaub(peasycap, pad, pex, much, more,
+ if (rump)
+ caches++;
+
+ if (true == badinput) {
+ JOM(8, "ERROR: 0x%02X=->field_buffer"
+ "[%i][%i].input, "
+ "0x%02X=(0x08|->input)\n",
+ peasycap->field_buffer
+ [kex][mex].input, kex, mex,
+ (0x08|peasycap->input));
+ }
+ rc = redaub(peasycap, pad, pex, much, more,
mask, margin, isuy);
- if (0 > rc) {
- SAM("ERROR: redaub() failed\n");
- return -EFAULT;
- }
- over -= much; cz += much;
- pex += much; rex -= much;
- if (!rex) {
- mex++;
- pex = peasycap->field_buffer[kex][mex].pgo;
- rex = PAGE_SIZE;
- if (peasycap->field_buffer[kex][mex].input !=
- (0x08|peasycap->input))
- badinput = true;
- }
- pad += more;
- rad -= more;
- if (!rad) {
- mad++;
- pad = peasycap->frame_buffer[kad][mad].pgo;
- rad = PAGE_SIZE;
- if (rump) {
- pad += rump;
- rad -= rump;
+ if (0 > rc) {
+ SAM("ERROR: redaub() failed\n");
+ return -EFAULT;
}
- }
- } while (over);
+ over -= much; cz += much;
+ pex += much; rex -= much;
+ if (!rex) {
+ mex++;
+ pex = peasycap->field_buffer[kex][mex].pgo;
+ rex = PAGE_SIZE;
+ if (peasycap->field_buffer[kex][mex].input !=
+ (0x08|peasycap->input))
+ badinput = true;
+ }
+ pad += more;
+ rad -= more;
+ if (!rad) {
+ mad++;
+ pad = peasycap->frame_buffer[kad][mad].pgo;
+ rad = PAGE_SIZE;
+ if (rump) {
+ pad += rump;
+ rad -= rump;
+ }
+ }
+ } while (over);
/*---------------------------------------------------------------------------*/
/*
* OTHERWISE JUST
* READ w2 BYTES FROM FIELD BUFFER AND DISCARD THEM
*/
/*---------------------------------------------------------------------------*/
- } else {
- over = w2;
- do {
- if (!rex) {
- mex++;
- pex = peasycap->field_buffer[kex][mex].pgo;
- rex = PAGE_SIZE;
- if (peasycap->field_buffer[kex][mex].input !=
- (0x08|peasycap->input)) {
- JOM(8, "ERROR: 0x%02X=->field_buffer"
- "[%i][%i].input, "
- "0x%02X=(0x08|->input)\n",
- peasycap->field_buffer
- [kex][mex].input, kex, mex,
- (0x08|peasycap->input));
- badinput = true;
+ } else {
+ over = w2;
+ do {
+ if (!rex) {
+ mex++;
+ pex = peasycap->field_buffer[kex][mex].pgo;
+ rex = PAGE_SIZE;
+ if (peasycap->field_buffer[kex][mex].input !=
+ (0x08|peasycap->input)) {
+ JOM(8, "ERROR: 0x%02X=->field_buffer"
+ "[%i][%i].input, "
+ "0x%02X=(0x08|->input)\n",
+ peasycap->field_buffer
+ [kex][mex].input, kex, mex,
+ (0x08|peasycap->input));
+ badinput = true;
+ }
}
- }
- much = over;
- if (rex < much)
- much = rex;
- over -= much;
- cz += much;
- pex += much;
- rex -= much;
- } while (over);
+ much = over;
+ if (rex < much)
+ much = rex;
+ over -= much;
+ cz += much;
+ pex += much;
+ rex -= much;
+ } while (over);
+ }
}
-}
/*---------------------------------------------------------------------------*/
/*
* SANITY CHECKS
*/
/*---------------------------------------------------------------------------*/
-c2 = (mex + 1)*PAGE_SIZE - rex;
-if (cz != c2)
- SAM("ERROR: discrepancy %i in bytes read\n", c2 - cz);
-c3 = (mad + 1)*PAGE_SIZE - rad;
-
-if (false == decimatepixel) {
- if (bytesperpixel *
- cz != c3)
- SAM("ERROR: discrepancy %i in bytes written\n",
- c3 - (bytesperpixel *
- cz));
-} else {
- if (false == odd) {
- if (bytesperpixel *
- cz != (4 * c3))
+ c2 = (mex + 1)*PAGE_SIZE - rex;
+ if (cz != c2)
+ SAM("ERROR: discrepancy %i in bytes read\n", c2 - cz);
+ c3 = (mad + 1)*PAGE_SIZE - rad;
+
+ if (false == decimatepixel) {
+ if (bytesperpixel * cz != c3)
SAM("ERROR: discrepancy %i in bytes written\n",
- (2*c3)-(bytesperpixel *
- cz));
- } else {
- if (0 != c3)
- SAM("ERROR: discrepancy %i "
- "in bytes written\n", c3);
- }
-}
-if (rump)
- SAM("WORRY: undischarged cache at end of line in frame buffer\n");
+ c3 - (bytesperpixel * cz));
+ } else {
+ if (false == odd) {
+ if (bytesperpixel *
+ cz != (4 * c3))
+ SAM("ERROR: discrepancy %i in bytes written\n",
+ (2*c3)-(bytesperpixel * cz));
+ } else {
+ if (0 != c3)
+ SAM("ERROR: discrepancy %i "
+ "in bytes written\n", c3);
+ }
+ }
+ if (rump)
+ SAM("WORRY: undischarged cache at end of line in frame buffer\n");
-JOM(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3);
-JOM(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad);
+ JOM(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3);
+ JOM(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad);
-if (true == odd)
- JOM(8, "+++++ field2frame(): frame buffer %i is full\n", kad);
+ if (true == odd)
+ JOM(8, "+++++ field2frame(): frame buffer %i is full\n", kad);
-if (peasycap->field_read == peasycap->field_fill)
- SAM("WARNING: on exit, filling field buffer %i\n",
- peasycap->field_read);
+ if (peasycap->field_read == peasycap->field_fill)
+ SAM("WARNING: on exit, filling field buffer %i\n",
+ peasycap->field_read);
/*---------------------------------------------------------------------------*/
/*
* CALCULATE VIDEO STREAMING RATE
*/
/*---------------------------------------------------------------------------*/
-do_gettimeofday(&timeval);
-if (peasycap->timeval6.tv_sec) {
- below = ((long long int)(1000000)) *
- ((long long int)(timeval.tv_sec -
- peasycap->timeval6.tv_sec)) +
- (long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec);
- above = (long long int)1000000;
+ do_gettimeofday(&timeval);
+ if (peasycap->timeval6.tv_sec) {
+ below = ((long long int)(1000000)) *
+ ((long long int)(timeval.tv_sec -
+ peasycap->timeval6.tv_sec)) +
+ (long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec);
+ above = (long long int)1000000;
- sdr = signed_div(above, below);
- above = sdr.quotient;
- remainder = (u32)sdr.remainder;
+ sdr = signed_div(above, below);
+ above = sdr.quotient;
+ remainder = (u32)sdr.remainder;
- JOM(8, "video streaming at %3lli.%03i fields per second\n", above,
- (remainder/1000));
-}
-peasycap->timeval6 = timeval;
+ JOM(8, "video streaming at %3lli.%03i fields per second\n",
+ above, (remainder/1000));
+ }
+ peasycap->timeval6 = timeval;
-if (caches)
- JOM(8, "%i=caches\n", caches);
-return 0;
+ if (caches)
+ JOM(8, "%i=caches\n", caches);
+ return 0;
}
/*****************************************************************************/
struct signed_div_result
signed_div(long long int above, long long int below)
{
-struct signed_div_result sdr;
-
-if (((0 <= above) && (0 <= below)) || ((0 > above) && (0 > below))) {
- sdr.remainder = (unsigned long long int) do_div(above, below);
- sdr.quotient = (long long int) above;
-} else {
- if (0 > above)
- above = -above;
- if (0 > below)
- below = -below;
- sdr.remainder = (unsigned long long int) do_div(above, below);
- sdr.quotient = -((long long int) above);
-}
-return sdr;
+ struct signed_div_result sdr;
+
+ if (((0 <= above) && (0 <= below)) || ((0 > above) && (0 > below))) {
+ sdr.remainder = (unsigned long long int) do_div(above, below);
+ sdr.quotient = (long long int) above;
+ } else {
+ if (0 > above)
+ above = -above;
+ if (0 > below)
+ below = -below;
+ sdr.remainder = (unsigned long long int) do_div(above, below);
+ sdr.quotient = -((long long int) above);
+ }
+ return sdr;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
@@ -1804,335 +1765,166 @@ int
redaub(struct easycap *peasycap, void *pad, void *pex, int much, int more,
u8 mask, u8 margin, bool isuy)
{
-static s32 ay[256], bu[256], rv[256], gu[256], gv[256];
-u8 *pcache;
-u8 r, g, b, y, u, v, c, *p2, *p3, *pz, *pr;
-int bytesperpixel;
-bool byteswaporder, decimatepixel, last;
-int j, rump;
-s32 tmp;
-
-if (much % 2) {
- SAM("MISTAKE: much is odd\n");
- return -EFAULT;
-}
-bytesperpixel = peasycap->bytesperpixel;
-byteswaporder = peasycap->byteswaporder;
-decimatepixel = peasycap->decimatepixel;
-
-/*---------------------------------------------------------------------------*/
-if (!bu[255]) {
- for (j = 0; j < 112; j++) {
- tmp = (0xFF00 & (453 * j)) >> 8;
- bu[j + 128] = tmp; bu[127 - j] = -tmp;
- tmp = (0xFF00 & (359 * j)) >> 8;
- rv[j + 128] = tmp; rv[127 - j] = -tmp;
- tmp = (0xFF00 & (88 * j)) >> 8;
- gu[j + 128] = tmp; gu[127 - j] = -tmp;
- tmp = (0xFF00 & (183 * j)) >> 8;
- gv[j + 128] = tmp; gv[127 - j] = -tmp;
- }
- for (j = 0; j < 16; j++) {
- bu[j] = bu[16]; rv[j] = rv[16];
- gu[j] = gu[16]; gv[j] = gv[16];
- }
- for (j = 240; j < 256; j++) {
- bu[j] = bu[239]; rv[j] = rv[239];
- gu[j] = gu[239]; gv[j] = gv[239];
- }
- for (j = 16; j < 236; j++)
- ay[j] = j;
- for (j = 0; j < 16; j++)
- ay[j] = ay[16];
- for (j = 236; j < 256; j++)
- ay[j] = ay[235];
- JOM(8, "lookup tables are prepared\n");
-}
-pcache = peasycap->pcache;
-if (NULL == pcache)
- pcache = &peasycap->cache[0];
+ static s32 ay[256], bu[256], rv[256], gu[256], gv[256];
+ u8 *pcache;
+ u8 r, g, b, y, u, v, c, *p2, *p3, *pz, *pr;
+ int bytesperpixel;
+ bool byteswaporder, decimatepixel, last;
+ int j, rump;
+ s32 tmp;
+
+ if (much % 2) {
+ SAM("MISTAKE: much is odd\n");
+ return -EFAULT;
+ }
+ bytesperpixel = peasycap->bytesperpixel;
+ byteswaporder = peasycap->byteswaporder;
+ decimatepixel = peasycap->decimatepixel;
+
+/*---------------------------------------------------------------------------*/
+ if (!bu[255]) {
+ for (j = 0; j < 112; j++) {
+ tmp = (0xFF00 & (453 * j)) >> 8;
+ bu[j + 128] = tmp; bu[127 - j] = -tmp;
+ tmp = (0xFF00 & (359 * j)) >> 8;
+ rv[j + 128] = tmp; rv[127 - j] = -tmp;
+ tmp = (0xFF00 & (88 * j)) >> 8;
+ gu[j + 128] = tmp; gu[127 - j] = -tmp;
+ tmp = (0xFF00 & (183 * j)) >> 8;
+ gv[j + 128] = tmp; gv[127 - j] = -tmp;
+ }
+ for (j = 0; j < 16; j++) {
+ bu[j] = bu[16]; rv[j] = rv[16];
+ gu[j] = gu[16]; gv[j] = gv[16];
+ }
+ for (j = 240; j < 256; j++) {
+ bu[j] = bu[239]; rv[j] = rv[239];
+ gu[j] = gu[239]; gv[j] = gv[239];
+ }
+ for (j = 16; j < 236; j++)
+ ay[j] = j;
+ for (j = 0; j < 16; j++)
+ ay[j] = ay[16];
+ for (j = 236; j < 256; j++)
+ ay[j] = ay[235];
+ JOM(8, "lookup tables are prepared\n");
+ }
+ pcache = peasycap->pcache;
+ if (NULL == pcache)
+ pcache = &peasycap->cache[0];
/*---------------------------------------------------------------------------*/
/*
* TRANSFER CONTENTS OF CACHE TO THE FRAME BUFFER
*/
/*---------------------------------------------------------------------------*/
-if (!pcache) {
- SAM("MISTAKE: pcache is NULL\n");
- return -EFAULT;
-}
+ if (!pcache) {
+ SAM("MISTAKE: pcache is NULL\n");
+ return -EFAULT;
+ }
-if (pcache != &peasycap->cache[0])
- JOM(16, "cache has %i bytes\n", (int)(pcache - &peasycap->cache[0]));
-p2 = &peasycap->cache[0];
-p3 = (u8 *)pad - (int)(pcache - &peasycap->cache[0]);
-while (p2 < pcache) {
- *p3++ = *p2; p2++;
-}
-pcache = &peasycap->cache[0];
-if (p3 != pad) {
- SAM("MISTAKE: pointer misalignment\n");
- return -EFAULT;
-}
+ if (pcache != &peasycap->cache[0])
+ JOM(16, "cache has %i bytes\n", (int)(pcache - &peasycap->cache[0]));
+ p2 = &peasycap->cache[0];
+ p3 = (u8 *)pad - (int)(pcache - &peasycap->cache[0]);
+ while (p2 < pcache) {
+ *p3++ = *p2; p2++;
+ }
+ pcache = &peasycap->cache[0];
+ if (p3 != pad) {
+ SAM("MISTAKE: pointer misalignment\n");
+ return -EFAULT;
+ }
/*---------------------------------------------------------------------------*/
-rump = (int)(0x03 & mask);
-u = 0; v = 0;
-p2 = (u8 *)pex; pz = p2 + much; pr = p3 + more; last = false;
-p2++;
+ rump = (int)(0x03 & mask);
+ u = 0; v = 0;
+ p2 = (u8 *)pex; pz = p2 + much; pr = p3 + more; last = false;
+ p2++;
-if (true == isuy)
- u = *(p2 - 1);
-else
- v = *(p2 - 1);
+ if (true == isuy)
+ u = *(p2 - 1);
+ else
+ v = *(p2 - 1);
-if (rump)
- JOM(16, "%4i=much %4i=more %i=rump\n", much, more, rump);
+ if (rump)
+ JOM(16, "%4i=much %4i=more %i=rump\n", much, more, rump);
/*---------------------------------------------------------------------------*/
-switch (bytesperpixel) {
-case 2: {
- if (false == decimatepixel) {
- memcpy(pad, pex, (size_t)much);
- if (false == byteswaporder)
- /*---------------------------------------------------*/
- /*
- ** UYVY
- */
- /*---------------------------------------------------*/
- return 0;
- else {
- /*---------------------------------------------------*/
- /*
- ** YUYV
- */
- /*---------------------------------------------------*/
- p3 = (u8 *)pad; pz = p3 + much;
- while (pz > p3) {
- c = *p3;
- *p3 = *(p3 + 1);
- *(p3 + 1) = c;
- p3 += 2;
- }
- return 0;
- }
- } else {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** UYVY DECIMATED
- */
- /*---------------------------------------------------*/
- p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
- while (pz > p2) {
- *p3 = *p2;
- *(p3 + 1) = *(p2 + 1);
- *(p3 + 2) = *(p2 + 2);
- *(p3 + 3) = *(p2 + 3);
- p3 += 4; p2 += 8;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- ** YUYV DECIMATED
- **/
- /*---------------------------------------------------*/
- p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
- while (pz > p2) {
- *p3 = *(p2 + 1);
- *(p3 + 1) = *p2;
- *(p3 + 2) = *(p2 + 3);
- *(p3 + 3) = *(p2 + 2);
- p3 += 4; p2 += 8;
- }
- return 0;
- }
- }
- break;
- }
-case 3:
- {
- if (false == decimatepixel) {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGB
- **/
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = r;
- *pcache++ = g;
- *pcache++ = b;
- break;
- }
- case 2: {
- *p3 = r;
- *(p3 + 1) = g;
- *pcache++ = b;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
- }
- }
- } else {
- *p3 = r;
- *(p3 + 1) = g;
- *(p3 + 2) = b;
+ switch (bytesperpixel) {
+ case 2: {
+ if (false == decimatepixel) {
+ memcpy(pad, pex, (size_t)much);
+ if (false == byteswaporder) {
+ /* UYVY */
+ return 0;
+ } else {
+ /* YUYV */
+ p3 = (u8 *)pad; pz = p3 + much;
+ while (pz > p3) {
+ c = *p3;
+ *p3 = *(p3 + 1);
+ *(p3 + 1) = c;
+ p3 += 2;
}
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
+ return 0;
}
- return 0;
} else {
- /*---------------------------------------------------*/
- /*
- ** BGR
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- }
- else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
+ if (false == byteswaporder) {
+ /* UYVY DECIMATED */
+ p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
+ while (pz > p2) {
+ *p3 = *p2;
+ *(p3 + 1) = *(p2 + 1);
+ *(p3 + 2) = *(p2 + 2);
+ *(p3 + 3) = *(p2 + 3);
+ p3 += 4; p2 += 8;
}
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = b;
- *pcache++ = g;
- *pcache++ = r;
- break;
- }
- case 2: {
- *p3 = b;
- *(p3 + 1) = g;
- *pcache++ = r;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
- }
- }
- } else {
- *p3 = b;
- *(p3 + 1) = g;
- *(p3 + 2) = r;
- }
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
+ return 0;
+ } else {
+ /* YUYV DECIMATED */
+ p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
+ while (pz > p2) {
+ *p3 = *(p2 + 1);
+ *(p3 + 1) = *p2;
+ *(p3 + 2) = *(p2 + 3);
+ *(p3 + 3) = *(p2 + 2);
+ p3 += 4; p2 += 8;
}
+ return 0;
}
- return 0;
- } else {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGB DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ }
+ break;
+ }
+ case 3:
+ {
+ if (false == decimatepixel) {
+ if (false == byteswaporder) {
+ /* RGB */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
+ u = *(p2 + 1);
+ }
- if (true == isuy) {
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
@@ -2155,9 +1947,8 @@ case 3:
break;
}
default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel - rump);
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
}
}
@@ -2166,54 +1957,48 @@ case 3:
*(p3 + 1) = g;
*(p3 + 2) = b;
}
- isuy = false;
+ p2 += 2;
+ if (true == isuy)
+ isuy = false;
+ else
+ isuy = true;
p3 += bytesperpixel;
- } else {
- isuy = true;
}
- p2 += 2;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- * BGR DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- } else
+ return 0;
+ } else {
+ /* BGR */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ }
+ else
if (0x08 & mask)
;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- if (true == isuy) {
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
if ((true == last) && rump) {
pcache = &peasycap->cache[0];
@@ -2231,9 +2016,8 @@ case 3:
break;
}
default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel - rump);
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
}
}
@@ -2242,227 +2026,199 @@ case 3:
*(p3 + 1) = g;
*(p3 + 2) = r;
}
- isuy = false;
+ p2 += 2;
+ if (true == isuy)
+ isuy = false;
+ else
+ isuy = true;
p3 += bytesperpixel;
}
- else
- isuy = true;
- p2 += 2;
}
return 0;
- }
- }
- break;
- }
-case 4:
- {
- if (false == decimatepixel) {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGBA
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ } else {
+ if (false == byteswaporder) {
+ /* RGB DECIMATED */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = r;
- *pcache++ = g;
- *pcache++ = b;
- *pcache++ = 0;
- break;
- }
- case 2: {
- *p3 = r;
- *(p3 + 1) = g;
- *pcache++ = b;
- *pcache++ = 0;
- break;
- }
- case 3: {
- *p3 = r;
- *(p3 + 1) = g;
- *(p3 + 2) = b;
- *pcache++ = 0;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
+ u = *(p2 + 1);
}
+
+ if (true == isuy) {
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = r;
+ *pcache++ = g;
+ *pcache++ = b;
+ break;
+ }
+ case 2: {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *pcache++ = b;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel - rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *(p3 + 2) = b;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ } else {
+ isuy = true;
}
- } else {
- *p3 = r;
- *(p3 + 1) = g;
- *(p3 + 2) = b;
- *(p3 + 3) = 0;
+ p2 += 2;
}
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- ** BGRA
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ return 0;
+ } else {
+ /* BGR DECIMATED */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = b;
- *pcache++ = g;
- *pcache++ = r;
- *pcache++ = 0;
- break;
- }
- case 2: {
- *p3 = b;
- *(p3 + 1) = g;
- *pcache++ = r;
- *pcache++ = 0;
- break;
- }
- case 3: {
- *p3 = b;
- *(p3 + 1) = g;
- *(p3 + 2) = r;
- *pcache++ = 0;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
+ u = *(p2 + 1);
}
+
+ if (true == isuy) {
+
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = b;
+ *pcache++ = g;
+ *pcache++ = r;
+ break;
+ }
+ case 2: {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *pcache++ = r;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel - rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *(p3 + 2) = r;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ }
+ else
+ isuy = true;
+ p2 += 2;
}
- } else {
- *p3 = b;
- *(p3 + 1) = g;
- *(p3 + 2) = r;
- *(p3 + 3) = 0;
+ return 0;
}
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
}
+ break;
}
- return 0;
- } else {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGBA DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ case 4:
+ {
+ if (false == decimatepixel) {
+ if (false == byteswaporder) {
+ /* RGBA */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- if (true == isuy) {
+ u = *(p2 + 1);
+ }
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
if ((true == last) && rump) {
pcache = &peasycap->cache[0];
@@ -2489,65 +2245,60 @@ case 4:
break;
}
default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel -
- rump);
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
- }
+ }
}
} else {
*p3 = r;
*(p3 + 1) = g;
*(p3 + 2) = b;
*(p3 + 3) = 0;
- }
- isuy = false;
- p3 += bytesperpixel;
- } else
- isuy = true;
- p2 += 2;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- ** BGRA DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
+ }
+ p2 += 2;
if (true == isuy)
- v = *(p2 + 1);
+ isuy = false;
else
- u = *(p2 + 1);
+ isuy = true;
+ p3 += bytesperpixel;
}
+ return 0;
+ } else {
+ /*
+ * BGRA
+ */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
- if (true == isuy) {
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
if ((true == last) && rump) {
pcache = &peasycap->cache[0];
@@ -2573,139 +2324,304 @@ case 4:
*pcache++ = 0;
break;
}
- default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel - rump);
+ default:
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
}
- }
} else {
*p3 = b;
*(p3 + 1) = g;
*(p3 + 2) = r;
*(p3 + 3) = 0;
}
- isuy = false;
+ p2 += 2;
+ if (true == isuy)
+ isuy = false;
+ else
+ isuy = true;
p3 += bytesperpixel;
- } else
- isuy = true;
+ }
+ }
+ return 0;
+ } else {
+ if (false == byteswaporder) {
+ /*
+ * RGBA DECIMATED
+ */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
+
+ if (true == isuy) {
+
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = r;
+ *pcache++ = g;
+ *pcache++ = b;
+ *pcache++ = 0;
+ break;
+ }
+ case 2: {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *pcache++ = b;
+ *pcache++ = 0;
+ break;
+ }
+ case 3: {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *(p3 + 2) = b;
+ *pcache++ = 0;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel -
+ rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *(p3 + 2) = b;
+ *(p3 + 3) = 0;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ } else
+ isuy = true;
p2 += 2;
}
- return 0;
+ return 0;
+ } else {
+ /*
+ * BGRA DECIMATED
+ */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
+
+ if (true == isuy) {
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = b;
+ *pcache++ = g;
+ *pcache++ = r;
+ *pcache++ = 0;
+ break;
+ }
+ case 2: {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *pcache++ = r;
+ *pcache++ = 0;
+ break;
+ }
+ case 3: {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *(p3 + 2) = r;
+ *pcache++ = 0;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel - rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *(p3 + 2) = r;
+ *(p3 + 3) = 0;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ } else
+ isuy = true;
+ p2 += 2;
+ }
+ return 0;
+ }
}
+ break;
+ }
+ default: {
+ SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
+ return -EFAULT;
}
- break;
- }
-default: {
- SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
- return -EFAULT;
}
-}
-return 0;
+ return 0;
}
/*****************************************************************************/
-/*---------------------------------------------------------------------------*/
/*
* SEE CORBET ET AL. "LINUX DEVICE DRIVERS", 3rd EDITION, PAGES 430-434
*/
-/*---------------------------------------------------------------------------*/
/*****************************************************************************/
static void easycap_vma_open(struct vm_area_struct *pvma)
{
-struct easycap *peasycap;
+ struct easycap *peasycap;
-peasycap = pvma->vm_private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
+ peasycap = pvma->vm_private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ peasycap->vma_many++;
+ JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
return;
}
-peasycap->vma_many++;
-JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
-return;
-}
/*****************************************************************************/
static void easycap_vma_close(struct vm_area_struct *pvma)
{
-struct easycap *peasycap;
+ struct easycap *peasycap;
-peasycap = pvma->vm_private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
+ peasycap = pvma->vm_private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ peasycap->vma_many--;
+ JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
return;
}
-peasycap->vma_many--;
-JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
-return;
-}
/*****************************************************************************/
static int easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf)
{
-int k, m, retcode;
-void *pbuf;
-struct page *page;
-struct easycap *peasycap;
+ int k, m, retcode;
+ void *pbuf;
+ struct page *page;
+ struct easycap *peasycap;
-retcode = VM_FAULT_NOPAGE;
+ retcode = VM_FAULT_NOPAGE;
-if (NULL == pvma) {
- SAY("pvma is NULL\n");
- return retcode;
-}
-if (NULL == pvmf) {
- SAY("pvmf is NULL\n");
- return retcode;
-}
+ if (NULL == pvma) {
+ SAY("pvma is NULL\n");
+ return retcode;
+ }
+ if (NULL == pvmf) {
+ SAY("pvmf is NULL\n");
+ return retcode;
+ }
-k = (pvmf->pgoff) / (FRAME_BUFFER_SIZE/PAGE_SIZE);
-m = (pvmf->pgoff) % (FRAME_BUFFER_SIZE/PAGE_SIZE);
+ k = (pvmf->pgoff) / (FRAME_BUFFER_SIZE/PAGE_SIZE);
+ m = (pvmf->pgoff) % (FRAME_BUFFER_SIZE/PAGE_SIZE);
-if (!m)
- JOT(4, "%4i=k, %4i=m\n", k, m);
-else
- JOT(16, "%4i=k, %4i=m\n", k, m);
+ if (!m)
+ JOT(4, "%4i=k, %4i=m\n", k, m);
+ else
+ JOT(16, "%4i=k, %4i=m\n", k, m);
-if ((0 > k) || (FRAME_BUFFER_MANY <= k)) {
- SAY("ERROR: buffer index %i out of range\n", k);
- return retcode;
-}
-if ((0 > m) || (FRAME_BUFFER_SIZE/PAGE_SIZE <= m)) {
- SAY("ERROR: page number %i out of range\n", m);
- return retcode;
-}
-peasycap = pvma->vm_private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return retcode;
-}
+ if ((0 > k) || (FRAME_BUFFER_MANY <= k)) {
+ SAY("ERROR: buffer index %i out of range\n", k);
+ return retcode;
+ }
+ if ((0 > m) || (FRAME_BUFFER_SIZE/PAGE_SIZE <= m)) {
+ SAY("ERROR: page number %i out of range\n", m);
+ return retcode;
+ }
+ peasycap = pvma->vm_private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return retcode;
+ }
/*---------------------------------------------------------------------------*/
-pbuf = peasycap->frame_buffer[k][m].pgo;
-if (NULL == pbuf) {
- SAM("ERROR: pbuf is NULL\n");
- return retcode;
-}
-page = virt_to_page(pbuf);
-if (NULL == page) {
- SAM("ERROR: page is NULL\n");
- return retcode;
-}
-get_page(page);
+ pbuf = peasycap->frame_buffer[k][m].pgo;
+ if (NULL == pbuf) {
+ SAM("ERROR: pbuf is NULL\n");
+ return retcode;
+ }
+ page = virt_to_page(pbuf);
+ if (NULL == page) {
+ SAM("ERROR: page is NULL\n");
+ return retcode;
+ }
+ get_page(page);
/*---------------------------------------------------------------------------*/
-if (NULL == page) {
- SAM("ERROR: page is NULL after get_page(page)\n");
-} else {
- pvmf->page = page;
- retcode = VM_FAULT_MINOR;
-}
-return retcode;
+ if (NULL == page) {
+ SAM("ERROR: page is NULL after get_page(page)\n");
+ } else {
+ pvmf->page = page;
+ retcode = VM_FAULT_MINOR;
+ }
+ return retcode;
}
static const struct vm_operations_struct easycap_vm_ops = {
@@ -2754,127 +2670,126 @@ static int easycap_mmap(struct file *file, struct vm_area_struct *pvma)
/*---------------------------------------------------------------------------*/
static void easycap_complete(struct urb *purb)
{
-struct easycap *peasycap;
-struct data_buffer *pfield_buffer;
-char errbuf[16];
-int i, more, much, leap, rc, last;
-int videofieldamount;
-unsigned int override, bad;
-int framestatus, framelength, frameactual, frameoffset;
-u8 *pu;
-
-if (NULL == purb) {
- SAY("ERROR: easycap_complete(): purb is NULL\n");
- return;
-}
-peasycap = purb->context;
-if (NULL == peasycap) {
- SAY("ERROR: easycap_complete(): peasycap is NULL\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return;
-}
-if (peasycap->video_eof)
- return;
-for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++)
- if (purb->transfer_buffer == peasycap->video_isoc_buffer[i].pgo)
- break;
-JOM(16, "%2i=urb\n", i);
-last = peasycap->video_isoc_sequence;
-if ((((VIDEO_ISOC_BUFFER_MANY - 1) == last) &&
- (0 != i)) ||
- (((VIDEO_ISOC_BUFFER_MANY - 1) != last) &&
- ((last + 1) != i))) {
- JOM(16, "ERROR: out-of-order urbs %i,%i ... continuing\n", last, i);
-}
-peasycap->video_isoc_sequence = i;
+ struct easycap *peasycap;
+ struct data_buffer *pfield_buffer;
+ char errbuf[16];
+ int i, more, much, leap, rc, last;
+ int videofieldamount;
+ unsigned int override, bad;
+ int framestatus, framelength, frameactual, frameoffset;
+ u8 *pu;
+
+ if (NULL == purb) {
+ SAY("ERROR: easycap_complete(): purb is NULL\n");
+ return;
+ }
+ peasycap = purb->context;
+ if (NULL == peasycap) {
+ SAY("ERROR: easycap_complete(): peasycap is NULL\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ if (peasycap->video_eof)
+ return;
+ for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++)
+ if (purb->transfer_buffer == peasycap->video_isoc_buffer[i].pgo)
+ break;
+ JOM(16, "%2i=urb\n", i);
+ last = peasycap->video_isoc_sequence;
+ if ((((VIDEO_ISOC_BUFFER_MANY - 1) == last) && (0 != i)) ||
+ (((VIDEO_ISOC_BUFFER_MANY - 1) != last) && ((last + 1) != i))) {
+ JOM(16, "ERROR: out-of-order urbs %i,%i ... continuing\n",
+ last, i);
+ }
+ peasycap->video_isoc_sequence = i;
-if (peasycap->video_idle) {
- JOM(16, "%i=video_idle %i=video_isoc_streaming\n",
- peasycap->video_idle, peasycap->video_isoc_streaming);
- if (peasycap->video_isoc_streaming) {
- rc = usb_submit_urb(purb, GFP_ATOMIC);
- if (rc) {
- SAM("%s:%d ENOMEM\n", strerror(rc), rc);
- if (-ENODEV != rc)
- SAM("ERROR: while %i=video_idle, "
- "usb_submit_urb() "
- "failed with rc:\n",
- peasycap->video_idle);
+ if (peasycap->video_idle) {
+ JOM(16, "%i=video_idle %i=video_isoc_streaming\n",
+ peasycap->video_idle, peasycap->video_isoc_streaming);
+ if (peasycap->video_isoc_streaming) {
+ rc = usb_submit_urb(purb, GFP_ATOMIC);
+ if (rc) {
+ SAM("%s:%d ENOMEM\n", strerror(rc), rc);
+ if (-ENODEV != rc)
+ SAM("ERROR: while %i=video_idle, "
+ "usb_submit_urb() "
+ "failed with rc:\n",
+ peasycap->video_idle);
+ }
}
+ return;
}
-return;
-}
-override = 0;
+ override = 0;
/*---------------------------------------------------------------------------*/
-if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
- SAM("ERROR: bad peasycap->field_fill\n");
- return;
-}
-if (purb->status) {
- if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) {
- JOM(8, "urb status -ESHUTDOWN or -ENOENT\n");
+ if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
+ SAM("ERROR: bad peasycap->field_fill\n");
return;
}
+ if (purb->status) {
+ if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) {
+ JOM(8, "urb status -ESHUTDOWN or -ENOENT\n");
+ return;
+ }
- (peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ;
- SAM("ERROR: bad urb status -%s: %d\n",
- strerror(purb->status), purb->status);
+ (peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ;
+ SAM("ERROR: bad urb status -%s: %d\n",
+ strerror(purb->status), purb->status);
/*---------------------------------------------------------------------------*/
-} else {
- for (i = 0; i < purb->number_of_packets; i++) {
- if (0 != purb->iso_frame_desc[i].status) {
- (peasycap->field_buffer
- [peasycap->field_fill][0].kount) |= 0x8000 ;
- /* FIXME: 1. missing '-' check boundaries */
- strcpy(&errbuf[0],
- strerror(purb->iso_frame_desc[i].status));
- }
- framestatus = purb->iso_frame_desc[i].status;
- framelength = purb->iso_frame_desc[i].length;
- frameactual = purb->iso_frame_desc[i].actual_length;
- frameoffset = purb->iso_frame_desc[i].offset;
-
- JOM(16, "frame[%2i]:"
- "%4i=status "
- "%4i=actual "
- "%4i=length "
- "%5i=offset\n",
- i, framestatus, frameactual, framelength, frameoffset);
- if (!purb->iso_frame_desc[i].status) {
- more = purb->iso_frame_desc[i].actual_length;
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill][peasycap->field_page];
- videofieldamount = (peasycap->field_page *
- PAGE_SIZE) +
- (int)(pfield_buffer->pto - pfield_buffer->pgo);
- if (4 == more)
- peasycap->video_mt++;
- if (4 < more) {
- if (peasycap->video_mt) {
- JOM(8, "%4i empty video urb frames\n",
- peasycap->video_mt);
- peasycap->video_mt = 0;
- }
- if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
- SAM("ERROR: bad peasycap->field_fill\n");
- return;
- }
- if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
- peasycap->field_page) {
- SAM("ERROR: bad peasycap->field_page\n");
- return;
+ } else {
+ for (i = 0; i < purb->number_of_packets; i++) {
+ if (0 != purb->iso_frame_desc[i].status) {
+ (peasycap->field_buffer
+ [peasycap->field_fill][0].kount) |= 0x8000 ;
+ /* FIXME: 1. missing '-' check boundaries */
+ strcpy(&errbuf[0],
+ strerror(purb->iso_frame_desc[i].status));
}
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill][peasycap->field_page];
- pu = (u8 *)(purb->transfer_buffer +
- purb->iso_frame_desc[i].offset);
- if (0x80 & *pu)
- leap = 8;
- else
- leap = 4;
+ framestatus = purb->iso_frame_desc[i].status;
+ framelength = purb->iso_frame_desc[i].length;
+ frameactual = purb->iso_frame_desc[i].actual_length;
+ frameoffset = purb->iso_frame_desc[i].offset;
+
+ JOM(16, "frame[%2i]:"
+ "%4i=status "
+ "%4i=actual "
+ "%4i=length "
+ "%5i=offset\n",
+ i, framestatus, frameactual, framelength, frameoffset);
+ if (!purb->iso_frame_desc[i].status) {
+ more = purb->iso_frame_desc[i].actual_length;
+ pfield_buffer = &peasycap->field_buffer
+ [peasycap->field_fill][peasycap->field_page];
+ videofieldamount = (peasycap->field_page *
+ PAGE_SIZE) +
+ (int)(pfield_buffer->pto - pfield_buffer->pgo);
+ if (4 == more)
+ peasycap->video_mt++;
+ if (4 < more) {
+ if (peasycap->video_mt) {
+ JOM(8, "%4i empty video urb frames\n",
+ peasycap->video_mt);
+ peasycap->video_mt = 0;
+ }
+ if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
+ SAM("ERROR: bad peasycap->field_fill\n");
+ return;
+ }
+ if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
+ peasycap->field_page) {
+ SAM("ERROR: bad peasycap->field_page\n");
+ return;
+ }
+ pfield_buffer = &peasycap->field_buffer
+ [peasycap->field_fill][peasycap->field_page];
+ pu = (u8 *)(purb->transfer_buffer +
+ purb->iso_frame_desc[i].offset);
+ if (0x80 & *pu)
+ leap = 8;
+ else
+ leap = 4;
/*--------------------------------------------------------------------------*/
/*
* EIGHT-BYTE END-OF-VIDEOFIELD MARKER.
@@ -2892,196 +2807,195 @@ if (purb->status) {
* RESTS WITH dqbuf().
*/
/*---------------------------------------------------------------------------*/
- if ((8 == more) || override) {
- if (videofieldamount >
- peasycap->videofieldamount) {
- if (2 == videofieldamount -
- peasycap->
- videofieldamount) {
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount) |= 0x0100;
- peasycap->video_junk += (1 +
- VIDEO_JUNK_TOLERATE);
- } else
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount) |= 0x4000;
- } else if (videofieldamount <
- peasycap->
- videofieldamount) {
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount) |= 0x2000;
- }
- bad = 0xFF00 & peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount;
- if (!bad) {
- (peasycap->video_junk)--;
- if (-VIDEO_JUNK_TOLERATE >
- peasycap->video_junk)
- peasycap->video_junk =
- -VIDEO_JUNK_TOLERATE;
- peasycap->field_read =
- (peasycap->
- field_fill)++;
- if (FIELD_BUFFER_MANY <=
+ if ((8 == more) || override) {
+ if (videofieldamount >
+ peasycap->videofieldamount) {
+ if (2 == videofieldamount -
+ peasycap->
+ videofieldamount) {
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount) |= 0x0100;
+ peasycap->video_junk += (1 +
+ VIDEO_JUNK_TOLERATE);
+ } else
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount) |= 0x4000;
+ } else if (videofieldamount <
+ peasycap->
+ videofieldamount) {
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount) |= 0x2000;
+ }
+ bad = 0xFF00 & peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount;
+ if (!bad) {
+ (peasycap->video_junk)--;
+ if (-VIDEO_JUNK_TOLERATE >
+ peasycap->video_junk)
+ peasycap->video_junk =
+ -VIDEO_JUNK_TOLERATE;
+ peasycap->field_read =
+ (peasycap->
+ field_fill)++;
+ if (FIELD_BUFFER_MANY <=
+ peasycap->
+ field_fill)
peasycap->
- field_fill)
- peasycap->
- field_fill = 0;
+ field_fill = 0;
+ peasycap->field_page = 0;
+ pfield_buffer = &peasycap->
+ field_buffer
+ [peasycap->
+ field_fill]
+ [peasycap->
+ field_page];
+ pfield_buffer->pto =
+ pfield_buffer->pgo;
+ JOM(8, "bumped to: %i="
+ "peasycap->"
+ "field_fill %i="
+ "parity\n",
+ peasycap->field_fill,
+ 0x00FF &
+ pfield_buffer->kount);
+ JOM(8, "field buffer %i has "
+ "%i bytes fit to be "
+ "read\n",
+ peasycap->field_read,
+ videofieldamount);
+ JOM(8, "wakeup call to "
+ "wq_video, "
+ "%i=field_read "
+ "%i=field_fill "
+ "%i=parity\n",
+ peasycap->field_read,
+ peasycap->field_fill,
+ 0x00FF & peasycap->
+ field_buffer
+ [peasycap->
+ field_read][0].kount);
+ wake_up_interruptible
+ (&(peasycap->
+ wq_video));
+ do_gettimeofday
+ (&peasycap->timeval7);
+ } else {
+ peasycap->video_junk++;
+ if (bad & 0x0010)
+ peasycap->video_junk +=
+ (1 + VIDEO_JUNK_TOLERATE/2);
+ JOM(8, "field buffer %i had %i "
+ "bytes, now discarded: "
+ "0x%04X\n",
+ peasycap->field_fill,
+ videofieldamount,
+ (0xFF00 &
+ peasycap->field_buffer
+ [peasycap->field_fill][0].
+ kount));
+ (peasycap->field_fill)++;
+
+ if (FIELD_BUFFER_MANY <=
+ peasycap->field_fill)
+ peasycap->field_fill = 0;
peasycap->field_page = 0;
- pfield_buffer = &peasycap->
- field_buffer
- [peasycap->
- field_fill]
- [peasycap->
- field_page];
+ pfield_buffer =
+ &peasycap->field_buffer
+ [peasycap->field_fill]
+ [peasycap->field_page];
pfield_buffer->pto =
- pfield_buffer->pgo;
- JOM(8, "bumped to: %i="
- "peasycap->"
- "field_fill %i="
- "parity\n",
- peasycap->field_fill,
- 0x00FF &
- pfield_buffer->kount);
- JOM(8, "field buffer %i has "
- "%i bytes fit to be "
- "read\n",
- peasycap->field_read,
- videofieldamount);
- JOM(8, "wakeup call to "
- "wq_video, "
- "%i=field_read "
- "%i=field_fill "
- "%i=parity\n",
- peasycap->field_read,
+ pfield_buffer->pgo;
+
+ JOM(8, "bumped to: %i=peasycap->"
+ "field_fill %i=parity\n",
peasycap->field_fill,
- 0x00FF & peasycap->
- field_buffer
- [peasycap->
- field_read][0].kount);
- wake_up_interruptible
- (&(peasycap->
- wq_video));
- do_gettimeofday
- (&peasycap->timeval7);
- } else {
- peasycap->video_junk++;
- if (bad & 0x0010)
- peasycap->video_junk +=
- (1 + VIDEO_JUNK_TOLERATE/2);
- JOM(8, "field buffer %i had %i "
- "bytes, now discarded: "
- "0x%04X\n",
- peasycap->field_fill,
- videofieldamount,
- (0xFF00 &
- peasycap->field_buffer
- [peasycap->field_fill][0].
- kount));
- (peasycap->field_fill)++;
-
- if (FIELD_BUFFER_MANY <=
- peasycap->field_fill)
- peasycap->field_fill = 0;
- peasycap->field_page = 0;
- pfield_buffer =
- &peasycap->field_buffer
- [peasycap->field_fill]
- [peasycap->field_page];
- pfield_buffer->pto =
- pfield_buffer->pgo;
-
- JOM(8, "bumped to: %i=peasycap->"
- "field_fill %i=parity\n",
- peasycap->field_fill,
- 0x00FF & pfield_buffer->kount);
- }
- if (8 == more) {
- JOM(8, "end-of-field: received "
- "parity byte 0x%02X\n",
- (0xFF & *pu));
- if (0x40 & *pu)
- pfield_buffer->kount = 0x0000;
- else
- pfield_buffer->kount = 0x0001;
- pfield_buffer->input = 0x08 |
- (0x07 & peasycap->input);
- JOM(8, "end-of-field: 0x%02X=kount\n",
- 0xFF & pfield_buffer->kount);
+ 0x00FF & pfield_buffer->kount);
+ }
+ if (8 == more) {
+ JOM(8, "end-of-field: received "
+ "parity byte 0x%02X\n",
+ (0xFF & *pu));
+ if (0x40 & *pu)
+ pfield_buffer->kount = 0x0000;
+ else
+ pfield_buffer->kount = 0x0001;
+ pfield_buffer->input = 0x08 |
+ (0x07 & peasycap->input);
+ JOM(8, "end-of-field: 0x%02X=kount\n",
+ 0xFF & pfield_buffer->kount);
+ }
}
- }
/*---------------------------------------------------------------------------*/
/*
* COPY more BYTES FROM ISOC BUFFER TO FIELD BUFFER
*/
/*---------------------------------------------------------------------------*/
- pu += leap;
- more -= leap;
+ pu += leap;
+ more -= leap;
- if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
- SAM("ERROR: bad peasycap->field_fill\n");
- return;
- }
- if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
- peasycap->field_page) {
- SAM("ERROR: bad peasycap->field_page\n");
- return;
- }
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill][peasycap->field_page];
- while (more) {
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill]
- [peasycap->field_page];
- if (PAGE_SIZE < (pfield_buffer->pto -
- pfield_buffer->pgo)) {
- SAM("ERROR: bad pfield_buffer->pto\n");
+ if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
+ SAM("ERROR: bad peasycap->field_fill\n");
return;
}
- if (PAGE_SIZE == (pfield_buffer->pto -
- pfield_buffer->pgo)) {
- (peasycap->field_page)++;
- if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
- peasycap->field_page) {
- JOM(16, "wrapping peasycap->"
- "field_page\n");
- peasycap->field_page = 0;
- }
- pfield_buffer = &peasycap->
- field_buffer
+ if (FIELD_BUFFER_SIZE/PAGE_SIZE <= peasycap->field_page) {
+ SAM("ERROR: bad peasycap->field_page\n");
+ return;
+ }
+ pfield_buffer = &peasycap->field_buffer
+ [peasycap->field_fill][peasycap->field_page];
+ while (more) {
+ pfield_buffer = &peasycap->field_buffer
[peasycap->field_fill]
[peasycap->field_page];
- pfield_buffer->pto =
- pfield_buffer->pgo;
- pfield_buffer->input = 0x08 |
- (0x07 & peasycap->input);
- if ((peasycap->field_buffer[peasycap->
- field_fill][0]).
- input !=
- pfield_buffer->input)
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0]).kount |= 0x1000;
- }
+ if (PAGE_SIZE < (pfield_buffer->pto -
+ pfield_buffer->pgo)) {
+ SAM("ERROR: bad pfield_buffer->pto\n");
+ return;
+ }
+ if (PAGE_SIZE == (pfield_buffer->pto -
+ pfield_buffer->pgo)) {
+ (peasycap->field_page)++;
+ if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
+ peasycap->field_page) {
+ JOM(16, "wrapping peasycap->"
+ "field_page\n");
+ peasycap->field_page = 0;
+ }
+ pfield_buffer = &peasycap->
+ field_buffer
+ [peasycap->field_fill]
+ [peasycap->field_page];
+ pfield_buffer->pto = pfield_buffer->pgo;
+ pfield_buffer->input = 0x08 |
+ (0x07 & peasycap->input);
+ if ((peasycap->field_buffer[peasycap->
+ field_fill][0]).
+ input !=
+ pfield_buffer->input)
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0]).kount |= 0x1000;
+ }
- much = PAGE_SIZE - (int)(pfield_buffer->pto -
+ much = PAGE_SIZE -
+ (int)(pfield_buffer->pto -
pfield_buffer->pgo);
- if (much > more)
- much = more;
- memcpy(pfield_buffer->pto, pu, much);
- pu += much;
- (pfield_buffer->pto) += much;
- more -= much;
+ if (much > more)
+ much = more;
+ memcpy(pfield_buffer->pto, pu, much);
+ pu += much;
+ (pfield_buffer->pto) += much;
+ more -= much;
+ }
}
}
}
}
-}
/*---------------------------------------------------------------------------*/
/*
* RESUBMIT THIS URB, UNLESS A SEVERE PERSISTENT ERROR CONDITION EXISTS.
@@ -3090,30 +3004,30 @@ if (purb->status) {
* THE USERSPACE PROGRAM, E.G. mplayer, MAY HANG ON EXIT. BEWARE.
*/
/*---------------------------------------------------------------------------*/
-if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) {
- SAM("easycap driver shutting down on condition green\n");
- peasycap->status = 1;
- peasycap->video_eof = 1;
- peasycap->video_junk = 0;
- wake_up_interruptible(&peasycap->wq_video);
+ if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) {
+ SAM("easycap driver shutting down on condition green\n");
+ peasycap->status = 1;
+ peasycap->video_eof = 1;
+ peasycap->video_junk = 0;
+ wake_up_interruptible(&peasycap->wq_video);
#if !defined(PERSEVERE)
- peasycap->audio_eof = 1;
- wake_up_interruptible(&peasycap->wq_audio);
+ peasycap->audio_eof = 1;
+ wake_up_interruptible(&peasycap->wq_audio);
#endif /*PERSEVERE*/
- return;
-}
-if (peasycap->video_isoc_streaming) {
- rc = usb_submit_urb(purb, GFP_ATOMIC);
- if (rc) {
- SAM("%s: %d\n", strerror(rc), rc);
- if (-ENODEV != rc)
- SAM("ERROR: while %i=video_idle, "
- "usb_submit_urb() "
- "failed with rc:\n",
- peasycap->video_idle);
+ return;
}
-}
-return;
+ if (peasycap->video_isoc_streaming) {
+ rc = usb_submit_urb(purb, GFP_ATOMIC);
+ if (rc) {
+ SAM("%s: %d\n", strerror(rc), rc);
+ if (-ENODEV != rc)
+ SAM("ERROR: while %i=video_idle, "
+ "usb_submit_urb() "
+ "failed with rc:\n",
+ peasycap->video_idle);
+ }
+ }
+ return;
}
static const struct file_operations easycap_fops = {
.owner = THIS_MODULE,
@@ -3339,7 +3253,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
/*---------------------------------------------------------------------------*/
rc = fillin_formats();
if (0 > rc) {
- SAM("ERROR: fillin_formats() returned %i\n", rc);
+ SAM("ERROR: fillin_formats() rc = %i\n", rc);
return -EFAULT;
}
JOM(4, "%i formats available\n", rc);
@@ -3443,8 +3357,8 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
if (pusb_device == easycapdc60_dongle[ndong].peasycap->
pusb_device) {
peasycap = easycapdc60_dongle[ndong].peasycap;
- JOT(8, "intf[%i]: easycapdc60_dongle[%i].peasycap-->"
- "peasycap\n", bInterfaceNumber, ndong);
+ JOT(8, "intf[%i]: dongle[%i].peasycap\n",
+ bInterfaceNumber, ndong);
break;
}
}
@@ -4024,7 +3938,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
easycap_ntsc ? "NTSC" : "PAL");
rc = reset(peasycap);
if (rc) {
- SAM("ERROR: reset() returned %i\n", rc);
+ SAM("ERROR: reset() rc = %i\n", rc);
return -EFAULT;
}
/*--------------------------------------------------------------------------*/
@@ -4109,7 +4023,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
pusb_interface_descriptor->bInterfaceNumber);
break;
}
- /*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
case 2: {
if (!peasycap) {
SAM("MISTAKE: peasycap is NULL\n");
@@ -4376,7 +4290,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
rc = easycap_alsa_probe(peasycap);
if (rc) {
- err("easycap_alsa_probe() returned %i\n", rc);
+ err("easycap_alsa_probe() rc = %i\n", rc);
return -ENODEV;
} else {
JOM(8, "kref_get() with %i=kref.refcount.counter\n",
@@ -4539,10 +4453,9 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
}
break;
}
-/*---------------------------------------------------------------------------*/
default:
break;
-}
+ }
/*--------------------------------------------------------------------------*/
/*
* DEREGISTER
@@ -4552,145 +4465,136 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
* AN EasyCAP IS UNPLUGGED WHILE THE URBS ARE RUNNING. BEWARE.
*/
/*--------------------------------------------------------------------------*/
-kd = isdongle(peasycap);
-switch (bInterfaceNumber) {
-case 0: {
- if (0 <= kd && DONGLE_MANY > kd) {
- wake_up_interruptible(&peasycap->wq_video);
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_video\n",
- kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
+ kd = isdongle(peasycap);
+ switch (bInterfaceNumber) {
+ case 0: {
+ if (0 <= kd && DONGLE_MANY > kd) {
+ wake_up_interruptible(&peasycap->wq_video);
+ JOM(4, "about to lock dongle[%i].mutex_video\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
mutex_video)) {
- SAY("ERROR: cannot lock easycapdc60_dongle[%i]."
- "mutex_video\n", kd);
- return;
+ SAY("ERROR: "
+ "cannot lock dongle[%i].mutex_video\n", kd);
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_video\n", kd);
+ } else {
+ SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
}
- JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd);
- } else
- SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
/*---------------------------------------------------------------------------*/
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
- if (NULL == peasycap) {
- SAM("ERROR: peasycap has become NULL\n");
- } else {
- usb_deregister_dev(pusb_interface, &easycap_class);
- (peasycap->registered_video)--;
- JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
- SAM("easycap detached from minor #%d\n", minor);
- }
+ if (NULL == peasycap) {
+ SAM("ERROR: peasycap has become NULL\n");
+ } else {
+ usb_deregister_dev(pusb_interface, &easycap_class);
+ peasycap->registered_video--;
+ JOM(4, "intf[%i]: usb_deregister_dev() minor = %i\n",
+ bInterfaceNumber, minor);
+ }
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
- if (!peasycap->v4l2_device.name[0]) {
- SAM("ERROR: peasycap->v4l2_device.name is empty\n");
- if (0 <= kd && DONGLE_MANY > kd)
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return;
- }
- v4l2_device_disconnect(&peasycap->v4l2_device);
- JOM(4, "v4l2_device_disconnect() OK\n");
- v4l2_device_unregister(&peasycap->v4l2_device);
- JOM(4, "v4l2_device_unregister() OK\n");
-
- video_unregister_device(&peasycap->video_device);
- JOM(4, "intf[%i]: video_unregister_device() OK\n", bInterfaceNumber);
- (peasycap->registered_video)--;
- JOM(4, "unregistered with videodev: %i=minor\n", minor);
+ if (!peasycap->v4l2_device.name[0]) {
+ SAM("ERROR: peasycap->v4l2_device.name is empty\n");
+ if (0 <= kd && DONGLE_MANY > kd)
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return;
+ }
+ v4l2_device_disconnect(&peasycap->v4l2_device);
+ JOM(4, "v4l2_device_disconnect() OK\n");
+ v4l2_device_unregister(&peasycap->v4l2_device);
+ JOM(4, "v4l2_device_unregister() OK\n");
+
+ video_unregister_device(&peasycap->video_device);
+ JOM(4, "intf[%i]: video_unregister_device() minor=%i\n",
+ bInterfaceNumber, minor);
+ peasycap->registered_video--;
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
- if (0 <= kd && DONGLE_MANY > kd) {
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ JOM(4, "unlocked dongle[%i].mutex_video\n", kd);
+ }
+ break;
}
- break;
-}
-case 2: {
- if (0 <= kd && DONGLE_MANY > kd) {
- wake_up_interruptible(&peasycap->wq_audio);
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_audio\n",
- kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
+ case 2: {
+ if (0 <= kd && DONGLE_MANY > kd) {
+ wake_up_interruptible(&peasycap->wq_audio);
+ JOM(4, "about to lock dongle[%i].mutex_audio\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
mutex_audio)) {
- SAY("ERROR: cannot lock easycapdc60_dongle[%i]."
- "mutex_audio\n", kd);
- return;
- }
- JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd);
- } else
- SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
+ SAY("ERROR: "
+ "cannot lock dongle[%i].mutex_audio\n", kd);
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_audio\n", kd);
+ } else
+ SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
#ifndef CONFIG_EASYCAP_OSS
-
-
-
- if (0 != snd_card_free(peasycap->psnd_card)) {
- SAY("ERROR: snd_card_free() failed\n");
- } else {
- peasycap->psnd_card = NULL;
- (peasycap->registered_audio)--;
- }
-
-
+ if (0 != snd_card_free(peasycap->psnd_card)) {
+ SAY("ERROR: snd_card_free() failed\n");
+ } else {
+ peasycap->psnd_card = NULL;
+ (peasycap->registered_audio)--;
+ }
#else /* CONFIG_EASYCAP_OSS */
- usb_deregister_dev(pusb_interface, &easyoss_class);
- (peasycap->registered_audio)--;
- JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
- SAM("easyoss detached from minor #%d\n", minor);
+ usb_deregister_dev(pusb_interface, &easyoss_class);
+ peasycap->registered_audio--;
+ JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
+ SAM("easyoss detached from minor #%d\n", minor);
#endif /* CONFIG_EASYCAP_OSS */
-
- if (0 <= kd && DONGLE_MANY > kd) {
- mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
- JOM(4, "unlocked easycapdc60_dongle[%i].mutex_audio\n", kd);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
+ JOM(4, "unlocked dongle[%i].mutex_audio\n", kd);
+ }
+ break;
+ }
+ default:
+ break;
}
- break;
-}
-default:
- break;
-}
/*---------------------------------------------------------------------------*/
/*
* CALL easycap_delete() IF NO REMAINING REFERENCES TO peasycap
* (ALSO WHEN ALSA HAS BEEN IN USE)
*/
/*---------------------------------------------------------------------------*/
-if (!peasycap->kref.refcount.counter) {
- SAM("ERROR: peasycap->kref.refcount.counter is zero "
- "so cannot call kref_put()\n");
- SAM("ending unsuccessfully: may cause memory leak\n");
- return;
-}
-if (0 <= kd && DONGLE_MANY > kd) {
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_video\n", kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
- SAY("ERROR: cannot down "
- "easycapdc60_dongle[%i].mutex_video\n", kd);
- SAM("ending unsuccessfully: may cause memory leak\n");
- return;
- }
- JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd);
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_audio\n", kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_audio)) {
- SAY("ERROR: cannot down "
- "easycapdc60_dongle[%i].mutex_audio\n", kd);
- mutex_unlock(&(easycapdc60_dongle[kd].mutex_video));
- JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd);
+ if (!peasycap->kref.refcount.counter) {
+ SAM("ERROR: peasycap->kref.refcount.counter is zero "
+ "so cannot call kref_put()\n");
SAM("ending unsuccessfully: may cause memory leak\n");
return;
}
- JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd);
-}
-JOM(4, "intf[%i]: %i=peasycap->kref.refcount.counter\n",
- bInterfaceNumber, (int)peasycap->kref.refcount.counter);
-kref_put(&peasycap->kref, easycap_delete);
-JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber);
-if (0 <= kd && DONGLE_MANY > kd) {
- mutex_unlock(&(easycapdc60_dongle[kd].mutex_audio));
- JOT(4, "unlocked easycapdc60_dongle[%i].mutex_audio\n", kd);
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- JOT(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd);
-}
+ if (0 <= kd && DONGLE_MANY > kd) {
+ JOM(4, "about to lock dongle[%i].mutex_video\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
+ SAY("ERROR: cannot lock dongle[%i].mutex_video\n", kd);
+ SAM("ending unsuccessfully: may cause memory leak\n");
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_video\n", kd);
+ JOM(4, "about to lock dongle[%i].mutex_audio\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_audio)) {
+ SAY("ERROR: cannot lock dongle[%i].mutex_audio\n", kd);
+ mutex_unlock(&(easycapdc60_dongle[kd].mutex_video));
+ JOM(4, "unlocked dongle[%i].mutex_video\n", kd);
+ SAM("ending unsuccessfully: may cause memory leak\n");
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_audio\n", kd);
+ }
+ JOM(4, "intf[%i]: %i=peasycap->kref.refcount.counter\n",
+ bInterfaceNumber, (int)peasycap->kref.refcount.counter);
+ kref_put(&peasycap->kref, easycap_delete);
+ JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ mutex_unlock(&(easycapdc60_dongle[kd].mutex_audio));
+ JOT(4, "unlocked dongle[%i].mutex_audio\n", kd);
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ JOT(4, "unlocked dongle[%i].mutex_video\n", kd);
+ }
/*---------------------------------------------------------------------------*/
-JOM(4, "ends\n");
-return;
+ JOM(4, "ends\n");
+ return;
}
/*****************************************************************************/
--
1.7.4.1
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