Convert ivtv documentation to rst, update the links there and add to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> --- Documentation/media/v4l-drivers/index.rst | 1 + Documentation/media/v4l-drivers/ivtv.rst | 209 +++++++++++++++++------------- 2 files changed, 121 insertions(+), 89 deletions(-) diff --git a/Documentation/media/v4l-drivers/index.rst b/Documentation/media/v4l-drivers/index.rst index 333f84b9c17e..99409c6e2518 100644 --- a/Documentation/media/v4l-drivers/index.rst +++ b/Documentation/media/v4l-drivers/index.rst @@ -26,4 +26,5 @@ License". cx88 davinci-vpbe fimc + ivtv zr364xx diff --git a/Documentation/media/v4l-drivers/ivtv.rst b/Documentation/media/v4l-drivers/ivtv.rst index 2579b5b709ed..3ba464c4f9bf 100644 --- a/Documentation/media/v4l-drivers/ivtv.rst +++ b/Documentation/media/v4l-drivers/ivtv.rst @@ -1,26 +1,32 @@ -ivtv release notes -================== +The ivtv driver +=============== + +Author: Hans Verkuil <hverkuil@xxxxxxxxx> This is a v4l2 device driver for the Conexant cx23415/6 MPEG encoder/decoder. The cx23415 can do both encoding and decoding, the cx23416 can only do MPEG encoding. Currently the only card featuring full decoding support is the Hauppauge PVR-350. -NOTE: this driver requires the latest encoder firmware (version 2.06.039, size -376836 bytes). Get the firmware from here: +.. note:: -http://dl.ivtvdriver.org/ivtv/firmware/ + #) This driver requires the latest encoder firmware (version 2.06.039, size + 376836 bytes). Get the firmware from here: -NOTE: 'normal' TV applications do not work with this driver, you need -an application that can handle MPEG input such as mplayer, xine, MythTV, -etc. + https://linuxtv.org/downloads/firmware/#conexant + + #) 'normal' TV applications do not work with this driver, you need + an application that can handle MPEG input such as mplayer, xine, MythTV, + etc. The primary goal of the IVTV project is to provide a "clean room" Linux Open Source driver implementation for video capture cards based on the iCompression iTVC15 or Conexant CX23415/CX23416 MPEG Codec. -Features: +Features +-------- + * Hardware mpeg2 capture of broadcast video (and sound) via the tuner or S-Video/Composite and audio line-in. * Hardware mpeg2 capture of FM radio where hardware support exists @@ -31,7 +37,9 @@ Features: this into the captured MPEG stream. * Supports raw YUV and PCM input. -Additional features for the PVR-350 (CX23415 based): +Additional features for the PVR-350 (CX23415 based) +--------------------------------------------------- + * Provides hardware mpeg2 playback * Provides comprehensive OSD (On Screen Display: ie. graphics overlaying the video signal) @@ -40,20 +48,22 @@ Additional features for the PVR-350 (CX23415 based): * Supports raw YUV output. IMPORTANT: In case of problems first read this page: - http://www.ivtvdriver.org/index.php/Troubleshooting + https://help.ubuntu.com/community/Install_IVTV_Troubleshooting -See also: +See also +-------- -Homepage + Wiki -http://www.ivtvdriver.org +https://linuxtv.org IRC -irc://irc.freenode.net/ivtv-dev +--- + +irc://irc.freenode.net/#v4l ---------------------------------------------------------- Devices -======= +------- A maximum of 12 ivtv boards are allowed at the moment. @@ -65,25 +75,28 @@ The radio0 device may or may not be present, depending on whether the card has a radio tuner or not. Here is a list of the base v4l devices: -crw-rw---- 1 root video 81, 0 Jun 19 22:22 /dev/video0 -crw-rw---- 1 root video 81, 16 Jun 19 22:22 /dev/video16 -crw-rw---- 1 root video 81, 24 Jun 19 22:22 /dev/video24 -crw-rw---- 1 root video 81, 32 Jun 19 22:22 /dev/video32 -crw-rw---- 1 root video 81, 48 Jun 19 22:22 /dev/video48 -crw-rw---- 1 root video 81, 64 Jun 19 22:22 /dev/radio0 -crw-rw---- 1 root video 81, 224 Jun 19 22:22 /dev/vbi0 -crw-rw---- 1 root video 81, 228 Jun 19 22:22 /dev/vbi8 -crw-rw---- 1 root video 81, 232 Jun 19 22:22 /dev/vbi16 + +.. code-block:: none + + crw-rw---- 1 root video 81, 0 Jun 19 22:22 /dev/video0 + crw-rw---- 1 root video 81, 16 Jun 19 22:22 /dev/video16 + crw-rw---- 1 root video 81, 24 Jun 19 22:22 /dev/video24 + crw-rw---- 1 root video 81, 32 Jun 19 22:22 /dev/video32 + crw-rw---- 1 root video 81, 48 Jun 19 22:22 /dev/video48 + crw-rw---- 1 root video 81, 64 Jun 19 22:22 /dev/radio0 + crw-rw---- 1 root video 81, 224 Jun 19 22:22 /dev/vbi0 + crw-rw---- 1 root video 81, 228 Jun 19 22:22 /dev/vbi8 + crw-rw---- 1 root video 81, 232 Jun 19 22:22 /dev/vbi16 Base devices -============ +------------ For every extra card you have the numbers increased by one. For example, /dev/video0 is listed as the 'base' encoding capture device so we have: - /dev/video0 is the encoding capture device for the first card (card 0) - /dev/video1 is the encoding capture device for the second card (card 1) - /dev/video2 is the encoding capture device for the third card (card 2) +- /dev/video0 is the encoding capture device for the first card (card 0) +- /dev/video1 is the encoding capture device for the second card (card 1) +- /dev/video2 is the encoding capture device for the third card (card 2) Note that if the first card doesn't have a feature (eg no decoder, so no video16, the second card will still use video17. The simple rule is 'add @@ -94,93 +107,111 @@ whatever). Otherwise the device numbers can get confusing. The ivtv 'ivtv_first_minor' module option can be used for that. -/dev/video0 -The encoding capture device(s). -Read-only. +- /dev/video0 -Reading from this device gets you the MPEG1/2 program stream. -Example: + The encoding capture device(s). -cat /dev/video0 > my.mpg (you need to hit ctrl-c to exit) + Read-only. + Reading from this device gets you the MPEG1/2 program stream. + Example: -/dev/video16 -The decoder output device(s) -Write-only. Only present if the MPEG decoder (i.e. CX23415) exists. + .. code-block:: none -An mpeg2 stream sent to this device will appear on the selected video -display, audio will appear on the line-out/audio out. It is only -available for cards that support video out. Example: + cat /dev/video0 > my.mpg (you need to hit ctrl-c to exit) -cat my.mpg >/dev/video16 +- /dev/video16 -/dev/video24 -The raw audio capture device(s). -Read-only + The decoder output device(s) -The raw audio PCM stereo stream from the currently selected -tuner or audio line-in. Reading from this device results in a raw -(signed 16 bit Little Endian, 48000 Hz, stereo pcm) capture. -This device only captures audio. This should be replaced by an ALSA -device in the future. -Note that there is no corresponding raw audio output device, this is -not supported in the decoder firmware. + Write-only. Only present if the MPEG decoder (i.e. CX23415) exists. + An mpeg2 stream sent to this device will appear on the selected video + display, audio will appear on the line-out/audio out. It is only + available for cards that support video out. Example: -/dev/video32 -The raw video capture device(s) -Read-only + .. code-block:: none -The raw YUV video output from the current video input. The YUV format -is non-standard (V4L2_PIX_FMT_HM12). + cat my.mpg >/dev/video16 -Note that the YUV and PCM streams are not synchronized, so they are of -limited use. +- /dev/video24 -/dev/video48 -The raw video display device(s) -Write-only. Only present if the MPEG decoder (i.e. CX23415) exists. + The raw audio capture device(s). -Writes a YUV stream to the decoder of the card. + Read-only + The raw audio PCM stereo stream from the currently selected + tuner or audio line-in. Reading from this device results in a raw + (signed 16 bit Little Endian, 48000 Hz, stereo pcm) capture. + This device only captures audio. This should be replaced by an ALSA + device in the future. + Note that there is no corresponding raw audio output device, this is + not supported in the decoder firmware. -/dev/radio0 -The radio tuner device(s) -Cannot be read or written. -Used to enable the radio tuner and tune to a frequency. You cannot -read or write audio streams with this device. Once you use this -device to tune the radio, use /dev/video24 to read the raw pcm stream -or /dev/video0 to get an mpeg2 stream with black video. +- /dev/video32 + The raw video capture device(s) -/dev/vbi0 -The 'vertical blank interval' (Teletext, CC, WSS etc) capture device(s) -Read-only + Read-only -Captures the raw (or sliced) video data sent during the Vertical Blank -Interval. This data is used to encode teletext, closed captions, VPS, -widescreen signalling, electronic program guide information, and other -services. + The raw YUV video output from the current video input. The YUV format + is non-standard (V4L2_PIX_FMT_HM12). + Note that the YUV and PCM streams are not synchronized, so they are of + limited use. -/dev/vbi8 -Processed vbi feedback device(s) -Read-only. Only present if the MPEG decoder (i.e. CX23415) exists. -The sliced VBI data embedded in an MPEG stream is reproduced on this -device. So while playing back a recording on /dev/video16, you can -read the embedded VBI data from /dev/vbi8. +- /dev/video48 + The raw video display device(s) -/dev/vbi16 -The vbi 'display' device(s) -Write-only. Only present if the MPEG decoder (i.e. CX23415) exists. + Write-only. Only present if the MPEG decoder (i.e. CX23415) exists. -Can be used to send sliced VBI data to the video-out connector. + Writes a YUV stream to the decoder of the card. ---------------------------------- -Hans Verkuil <hverkuil@xxxxxxxxx> +- /dev/radio0 + + The radio tuner device(s) + + Cannot be read or written. + + Used to enable the radio tuner and tune to a frequency. You cannot + read or write audio streams with this device. Once you use this + device to tune the radio, use /dev/video24 to read the raw pcm stream + or /dev/video0 to get an mpeg2 stream with black video. + + +- /dev/vbi0 + + The 'vertical blank interval' (Teletext, CC, WSS etc) capture device(s) + + Read-only + + Captures the raw (or sliced) video data sent during the Vertical Blank + Interval. This data is used to encode teletext, closed captions, VPS, + widescreen signalling, electronic program guide information, and other + services. + + +- /dev/vbi8 + + Processed vbi feedback device(s) + + Read-only. Only present if the MPEG decoder (i.e. CX23415) exists. + + The sliced VBI data embedded in an MPEG stream is reproduced on this + device. So while playing back a recording on /dev/video16, you can + read the embedded VBI data from /dev/vbi8. + + +- /dev/vbi16 + + The vbi 'display' device(s) + + Write-only. Only present if the MPEG decoder (i.e. CX23415) exists. + + Can be used to send sliced VBI data to the video-out connector. -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
