From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
ALSA support depend on unix support that is now removed.
---
Makefile.am | 29 -
acinclude.m4 | 16 +-
audio/bluetooth.conf | 36 -
audio/ctl_bluetooth.c | 383 -----------
audio/pcm_bluetooth.c | 1785 -------------------------------------------------
configure.ac | 1 -
6 files changed, 1 insertion(+), 2249 deletions(-)
delete mode 100644 audio/bluetooth.conf
delete mode 100644 audio/ctl_bluetooth.c
delete mode 100644 audio/pcm_bluetooth.c
diff --git a/Makefile.am b/Makefile.am
index aaae42e..51156fb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -335,35 +335,6 @@ EXTRA_DIST += src/genbuiltin src/bluetooth.conf src/org.bluez.service \
audio/telephony-maemo6.c sap/sap-dummy.c sap/sap-u8500.c \
proximity/proximity.conf
-if ALSA
-alsadir = $(libdir)/alsa-lib
-
-alsa_LTLIBRARIES = audio/libasound_module_pcm_bluetooth.la \
- audio/libasound_module_ctl_bluetooth.la
-
-audio_libasound_module_pcm_bluetooth_la_SOURCES = audio/pcm_bluetooth.c \
- audio/rtp.h audio/ipc.h audio/ipc.c
-audio_libasound_module_pcm_bluetooth_la_LDFLAGS = $(AM_LDFLAGS) -module \
- -avoid-version
-audio_libasound_module_pcm_bluetooth_la_LIBADD = sbc/libsbc.la \
- lib/libbluetooth-private.la @ALSA_LIBS@
-audio_libasound_module_pcm_bluetooth_la_CFLAGS = $(AM_CFLAGS) @ALSA_CFLAGS@
-
-audio_libasound_module_ctl_bluetooth_la_SOURCES = audio/ctl_bluetooth.c \
- audio/rtp.h audio/ipc.h audio/ipc.c
-audio_libasound_module_ctl_bluetooth_la_LDFLAGS = $(AM_LDFLAGS) -module \
- -avoid-version
-audio_libasound_module_ctl_bluetooth_la_LIBADD = \
- lib/libbluetooth-private.la @ALSA_LIBS@
-audio_libasound_module_ctl_bluetooth_la_CFLAGS = $(AM_CFLAGS) @ALSA_CFLAGS@
-
-if DATAFILES
-alsaconfdir = $(datadir)/alsa
-
-alsaconf_DATA = audio/bluetooth.conf
-endif
-endif
-
if AUDIOPLUGIN
if GSTREAMER
gstreamerdir = $(libdir)/gstreamer-0.10
diff --git a/acinclude.m4 b/acinclude.m4
index 1d6d736..ab0ebba 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -114,13 +114,6 @@ AC_DEFUN([AC_PATH_GSTREAMER], [
AC_SUBST(GSTREAMER_PLUGINSDIR)
])
-AC_DEFUN([AC_PATH_ALSA], [
- PKG_CHECK_MODULES(ALSA, alsa, alsa_found=yes, alsa_found=no)
- AC_CHECK_LIB(rt, clock_gettime, ALSA_LIBS="$ALSA_LIBS -lrt", alsa_found=no)
- AC_SUBST(ALSA_CFLAGS)
- AC_SUBST(ALSA_LIBS)
-])
-
AC_DEFUN([AC_PATH_USB], [
PKG_CHECK_MODULES(USB, libusb, usb_found=yes, usb_found=no)
AC_SUBST(USB_CFLAGS)
@@ -176,7 +169,6 @@ AC_DEFUN([AC_ARG_BLUEZ], [
sndfile_enable=${sndfile_found}
hal_enable=no
usb_enable=${usb_found}
- alsa_enable=${alsa_found}
gstreamer_enable=${gstreamer_found}
audio_enable=yes
input_enable=yes
@@ -257,10 +249,6 @@ AC_DEFUN([AC_ARG_BLUEZ], [
gstreamer_enable=${enableval}
])
- AC_ARG_ENABLE(alsa, AC_HELP_STRING([--enable-alsa], [enable ALSA support]), [
- alsa_enable=${enableval}
- ])
-
AC_ARG_ENABLE(usb, AC_HELP_STRING([--enable-usb], [enable USB support]), [
usb_enable=${enableval}
])
@@ -368,9 +356,7 @@ AC_DEFUN([AC_ARG_BLUEZ], [
AM_CONDITIONAL(SNDFILE, test "${sndfile_enable}" = "yes" && test "${sndfile_found}" = "yes")
AM_CONDITIONAL(USB, test "${usb_enable}" = "yes" && test "${usb_found}" = "yes")
- AM_CONDITIONAL(SBC, test "${alsa_enable}" = "yes" || test "${gstreamer_enable}" = "yes" ||
- test "${test_enable}" = "yes")
- AM_CONDITIONAL(ALSA, test "${alsa_enable}" = "yes" && test "${alsa_found}" = "yes")
+ AM_CONDITIONAL(SBC, test "${gstreamer_enable}" = "yes" || test "${test_enable}" = "yes")
AM_CONDITIONAL(GSTREAMER, test "${gstreamer_enable}" = "yes" && test "${gstreamer_found}" = "yes")
AM_CONDITIONAL(AUDIOPLUGIN, test "${audio_enable}" = "yes")
AM_CONDITIONAL(INPUTPLUGIN, test "${input_enable}" = "yes")
diff --git a/audio/bluetooth.conf b/audio/bluetooth.conf
deleted file mode 100644
index 55b51e4..0000000
--- a/audio/bluetooth.conf
+++ /dev/null
@@ -1,36 +0,0 @@
-# Please note that this ALSA configuration file fragment needs be enabled in
-# /etc/asound.conf or a similar configuration file with directives similar to
-# the following:
-#
-#@hooks [
-# {
-# func load
-# files [
-# "/etc/alsa/bluetooth.conf"
-# ]
-# errors false
-# }
-#]
-
-pcm.rawbluetooth {
- @args [ ADDRESS ]
- @args.ADDRESS {
- type string
- }
- type bluetooth
- device $ADDRESS
-}
-
-pcm.bluetooth {
- @args [ ADDRESS ]
- @args.ADDRESS {
- type string
- }
- type plug
- slave {
- pcm {
- type bluetooth
- device $ADDRESS
- }
- }
-}
diff --git a/audio/ctl_bluetooth.c b/audio/ctl_bluetooth.c
deleted file mode 100644
index a16f476..0000000
--- a/audio/ctl_bluetooth.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- *
- * BlueZ - Bluetooth protocol stack for Linux
- *
- * Copyright (C) 2004-2010 Marcel Holtmann <marcel@xxxxxxxxxxxx>
- *
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/socket.h>
-#include <sys/un.h>
-
-#include <alsa/asoundlib.h>
-#include <alsa/control_external.h>
-
-#include <bluetooth/bluetooth.h>
-
-#include "ipc.h"
-
-#ifdef ENABLE_DEBUG
-#define DBG(fmt, arg...) printf("DEBUG: %s: " fmt "\n" , __FUNCTION__ , ## arg)
-#else
-#define DBG(fmt, arg...)
-#endif
-
-#define BLUETOOTH_MINVOL 0
-#define BLUETOOTH_MAXVOL 15
-
-struct bluetooth_data {
- snd_ctl_ext_t ext;
- int sock;
-};
-
-enum {
- BLUETOOTH_PLAYBACK,
- BLUETOOTH_CAPTURE,
-};
-
-static const char *vol_devices[2] = {
- [BLUETOOTH_PLAYBACK] = "Playback volume",
- [BLUETOOTH_CAPTURE] = "Capture volume",
-};
-
-static void bluetooth_exit(struct bluetooth_data *data)
-{
- if (data == NULL)
- return;
-
- if (data->sock >= 0)
- bt_audio_service_close(data->sock);
-
- free(data);
-}
-
-static void bluetooth_close(snd_ctl_ext_t *ext)
-{
- struct bluetooth_data *data = ext->private_data;
-
- DBG("ext %p", ext);
-
- bluetooth_exit(data);
-}
-
-static int bluetooth_elem_count(snd_ctl_ext_t *ext)
-{
- DBG("ext %p", ext);
-
- return 2;
-}
-
-static int bluetooth_elem_list(snd_ctl_ext_t *ext,
- unsigned int offset, snd_ctl_elem_id_t *id)
-{
- DBG("ext %p offset %d id %p", ext, offset, id);
-
- snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
-
- if (offset > 1)
- return -EINVAL;
-
- snd_ctl_elem_id_set_name(id, vol_devices[offset]);
-
- return 0;
-}
-
-static snd_ctl_ext_key_t bluetooth_find_elem(snd_ctl_ext_t *ext,
- const snd_ctl_elem_id_t *id)
-{
- const char *name = snd_ctl_elem_id_get_name(id);
- int i;
-
- DBG("ext %p id %p name '%s'", ext, id, name);
-
- for (i = 0; i < 2; i++)
- if (strcmp(name, vol_devices[i]) == 0)
- return i;
-
- return SND_CTL_EXT_KEY_NOT_FOUND;
-}
-
-static int bluetooth_get_attribute(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- int *type, unsigned int *acc, unsigned int *count)
-{
- DBG("ext %p key %ld", ext, key);
-
- *type = SND_CTL_ELEM_TYPE_INTEGER;
- *acc = SND_CTL_EXT_ACCESS_READWRITE;
- *count = 1;
-
- return 0;
-}
-
-static int bluetooth_get_integer_info(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- long *imin, long *imax, long *istep)
-{
- DBG("ext %p key %ld", ext, key);
-
- *istep = 1;
- *imin = BLUETOOTH_MINVOL;
- *imax = BLUETOOTH_MAXVOL;
-
- return 0;
-}
-
-static int bluetooth_send_ctl(struct bluetooth_data *data,
- uint8_t mode, uint8_t key, struct bt_control_rsp *rsp)
-{
- int ret;
- struct bt_control_req *req = (void *) rsp;
- bt_audio_error_t *err = (void *) rsp;
- const char *type, *name;
-
- memset(req, 0, BT_SUGGESTED_BUFFER_SIZE);
- req->h.type = BT_REQUEST;
- req->h.name = BT_CONTROL;
- req->h.length = sizeof(*req);
-
- req->mode = mode;
- req->key = key;
-
- ret = send(data->sock, req, BT_SUGGESTED_BUFFER_SIZE, MSG_NOSIGNAL);
- if (ret <= 0) {
- SYSERR("Unable to request new volume value to server");
- return -errno;
- }
-
- ret = recv(data->sock, rsp, BT_SUGGESTED_BUFFER_SIZE, 0);
- if (ret <= 0) {
- SNDERR("Unable to receive new volume value from server");
- return -errno;
- }
-
- if (rsp->h.type == BT_ERROR) {
- SNDERR("BT_CONTROL failed : %s (%d)",
- strerror(err->posix_errno),
- err->posix_errno);
- return -err->posix_errno;
- }
-
- type = bt_audio_strtype(rsp->h.type);
- if (!type) {
- SNDERR("Bogus message type %d "
- "received from audio service",
- rsp->h.type);
- return -EINVAL;
- }
-
- name = bt_audio_strname(rsp->h.name);
- if (!name) {
- SNDERR("Bogus message name %d "
- "received from audio service",
- rsp->h.name);
- return -EINVAL;
- }
-
- if (rsp->h.name != BT_CONTROL) {
- SNDERR("Unexpected message %s received", type);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int bluetooth_read_integer(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- long *value)
-{
- struct bluetooth_data *data = ext->private_data;
- int ret;
- char buf[BT_SUGGESTED_BUFFER_SIZE];
- struct bt_control_rsp *rsp = (void *) buf;
-
- DBG("ext %p key %ld", ext, key);
-
- memset(buf, 0, sizeof(buf));
- *value = 0;
-
- ret = bluetooth_send_ctl(data, key, 0, rsp);
- if (ret == 0)
- *value = rsp->key;
-
- return ret;
-}
-
-static int bluetooth_write_integer(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- long *value)
-{
- struct bluetooth_data *data = ext->private_data;
- char buf[BT_SUGGESTED_BUFFER_SIZE];
- struct bt_control_rsp *rsp = (void *) buf;
- long current;
- int ret, keyvalue;
-
- DBG("ext %p key %ld", ext, key);
-
- ret = bluetooth_read_integer(ext, key, ¤t);
- if (ret < 0)
- return ret;
-
- if (*value == current)
- return 0;
-
- while (*value != current) {
- keyvalue = (*value > current) ? BT_CONTROL_KEY_VOL_UP :
- BT_CONTROL_KEY_VOL_DOWN;
-
- ret = bluetooth_send_ctl(data, key, keyvalue, rsp);
- if (ret < 0)
- break;
-
- current = keyvalue;
- }
-
- return ret;
-}
-
-static int bluetooth_read_event(snd_ctl_ext_t *ext, snd_ctl_elem_id_t *id,
- unsigned int *event_mask)
-{
- struct bluetooth_data *data = ext->private_data;
- char buf[BT_SUGGESTED_BUFFER_SIZE];
- struct bt_control_ind *ind = (void *) buf;
- int err;
- const char *type, *name;
-
- DBG("ext %p id %p", ext, id);
-
- memset(buf, 0, sizeof(buf));
-
- err = recv(data->sock, ind, BT_SUGGESTED_BUFFER_SIZE, MSG_DONTWAIT);
- if (err < 0) {
- err = -errno;
- SNDERR("Failed while receiving data: %s (%d)", strerror(-err),
- -err);
- return err;
- }
-
- type = bt_audio_strtype(ind->h.type);
- if (!type) {
- SNDERR("Bogus message type %d "
- "received from audio service",
- ind->h.type);
- return -EAGAIN;
- }
-
- name = bt_audio_strname(ind->h.name);
- if (!name) {
- SNDERR("Bogus message name %d "
- "received from audio service",
- ind->h.name);
- return -EAGAIN;
- }
-
- if (ind->h.name != BT_CONTROL) {
- SNDERR("Unexpected message %s received", name);
- return -EAGAIN;
- }
-
- snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
- snd_ctl_elem_id_set_name(id, ind->mode == BLUETOOTH_PLAYBACK ?
- vol_devices[BLUETOOTH_PLAYBACK] :
- vol_devices[BLUETOOTH_CAPTURE]);
- *event_mask = SND_CTL_EVENT_MASK_VALUE;
-
- return 1;
-}
-
-static snd_ctl_ext_callback_t bluetooth_callback = {
- .close = bluetooth_close,
- .elem_count = bluetooth_elem_count,
- .elem_list = bluetooth_elem_list,
- .find_elem = bluetooth_find_elem,
- .get_attribute = bluetooth_get_attribute,
- .get_integer_info = bluetooth_get_integer_info,
- .read_integer = bluetooth_read_integer,
- .write_integer = bluetooth_write_integer,
- .read_event = bluetooth_read_event,
-};
-
-static int bluetooth_init(struct bluetooth_data *data)
-{
- int sk;
-
- if (!data)
- return -EINVAL;
-
- memset(data, 0, sizeof(struct bluetooth_data));
-
- data->sock = -1;
-
- sk = bt_audio_service_open();
- if (sk < 0)
- return -errno;
-
- data->sock = sk;
-
- return 0;
-}
-
-SND_CTL_PLUGIN_DEFINE_FUNC(bluetooth);
-
-SND_CTL_PLUGIN_DEFINE_FUNC(bluetooth)
-{
- struct bluetooth_data *data;
- int err;
-
- DBG("Bluetooth Control plugin");
-
- data = malloc(sizeof(struct bluetooth_data));
- if (!data) {
- err = -ENOMEM;
- goto error;
- }
-
- err = bluetooth_init(data);
- if (err < 0)
- goto error;
-
- data->ext.version = SND_CTL_EXT_VERSION;
- data->ext.card_idx = -1;
-
- strncpy(data->ext.id, "bluetooth", sizeof(data->ext.id) - 1);
- strncpy(data->ext.driver, "Bluetooth-Audio", sizeof(data->ext.driver) - 1);
- strncpy(data->ext.name, "Bluetooth Audio", sizeof(data->ext.name) - 1);
- strncpy(data->ext.longname, "Bluetooth Audio", sizeof(data->ext.longname) - 1);
- strncpy(data->ext.mixername, "Bluetooth Audio", sizeof(data->ext.mixername) - 1);
-
- data->ext.callback = &bluetooth_callback;
- data->ext.poll_fd = data->sock;
- data->ext.private_data = data;
-
- err = snd_ctl_ext_create(&data->ext, name, mode);
- if (err < 0)
- goto error;
-
- *handlep = data->ext.handle;
-
- return 0;
-
-error:
- bluetooth_exit(data);
-
- return err;
-}
-
-SND_CTL_PLUGIN_SYMBOL(bluetooth);
diff --git a/audio/pcm_bluetooth.c b/audio/pcm_bluetooth.c
deleted file mode 100644
index b9da805..0000000
--- a/audio/pcm_bluetooth.c
+++ /dev/null
@@ -1,1785 +0,0 @@
-/*
- *
- * BlueZ - Bluetooth protocol stack for Linux
- *
- * Copyright (C) 2006-2010 Nokia Corporation
- * Copyright (C) 2004-2010 Marcel Holtmann <marcel@xxxxxxxxxxxx>
- *
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdint.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <time.h>
-#include <sys/time.h>
-#include <pthread.h>
-#include <signal.h>
-#include <limits.h>
-
-#include <netinet/in.h>
-
-#include <alsa/asoundlib.h>
-#include <alsa/pcm_external.h>
-
-#include "ipc.h"
-#include "sbc.h"
-#include "rtp.h"
-
-/* #define ENABLE_DEBUG */
-
-#define UINT_SECS_MAX (UINT_MAX / 1000000 - 1)
-
-#define MIN_PERIOD_TIME 1
-
-#define BUFFER_SIZE 2048
-
-#ifdef ENABLE_DEBUG
-#define DBG(fmt, arg...) printf("DEBUG: %s: " fmt "\n" , __FUNCTION__ , ## arg)
-#else
-#define DBG(fmt, arg...)
-#endif
-
-#ifndef SOL_SCO
-#define SOL_SCO 17
-#endif
-
-#ifndef SCO_TXBUFS
-#define SCO_TXBUFS 0x03
-#endif
-
-#ifndef SCO_RXBUFS
-#define SCO_RXBUFS 0x04
-#endif
-
-#ifndef MIN
-# define MIN(x, y) ((x) < (y) ? (x) : (y))
-#endif
-
-#ifndef MAX
-# define MAX(x, y) ((x) > (y) ? (x) : (y))
-#endif
-
-#define MAX_BITPOOL 64
-#define MIN_BITPOOL 2
-
-/* adapted from glibc sys/time.h timersub() macro */
-#define priv_timespecsub(a, b, result) \
- do { \
- (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
- (result)->tv_nsec = (a)->tv_nsec - (b)->tv_nsec; \
- if ((result)->tv_nsec < 0) { \
- --(result)->tv_sec; \
- (result)->tv_nsec += 1000000000; \
- } \
- } while (0)
-
-struct bluetooth_a2dp {
- sbc_capabilities_t sbc_capabilities;
- sbc_t sbc; /* Codec data */
- int sbc_initialized; /* Keep track if the encoder is initialized */
- unsigned int codesize; /* SBC codesize */
- int samples; /* Number of encoded samples */
- uint8_t buffer[BUFFER_SIZE]; /* Codec transfer buffer */
- unsigned int count; /* Codec transfer buffer counter */
-
- int nsamples; /* Cumulative number of codec samples */
- uint16_t seq_num; /* Cumulative packet sequence */
- int frame_count; /* Current frames in buffer*/
-};
-
-struct bluetooth_alsa_config {
- char device[18]; /* Address of the remote Device */
- int has_device;
- uint8_t transport; /* Requested transport */
- int has_transport;
- uint16_t rate;
- int has_rate;
- uint8_t channel_mode; /* A2DP only */
- int has_channel_mode;
- uint8_t allocation_method; /* A2DP only */
- int has_allocation_method;
- uint8_t subbands; /* A2DP only */
- int has_subbands;
- uint8_t block_length; /* A2DP only */
- int has_block_length;
- uint8_t bitpool; /* A2DP only */
- int has_bitpool;
- int autoconnect;
-};
-
-struct bluetooth_data {
- snd_pcm_ioplug_t io;
- struct bluetooth_alsa_config alsa_config; /* ALSA resource file parameters */
- volatile snd_pcm_sframes_t hw_ptr;
- int transport; /* chosen transport SCO or AD2P */
- unsigned int link_mtu; /* MTU for selected transport channel */
- volatile struct pollfd stream; /* Audio stream filedescriptor */
- struct pollfd server; /* Audio daemon filedescriptor */
- uint8_t buffer[BUFFER_SIZE]; /* Encoded transfer buffer */
- unsigned int count; /* Transfer buffer counter */
- struct bluetooth_a2dp a2dp; /* A2DP data */
-
- pthread_t hw_thread; /* Makes virtual hw pointer move */
- int pipefd[2]; /* Inter thread communication */
- int stopped;
- sig_atomic_t reset; /* Request XRUN handling */
-};
-
-static int audioservice_send(int sk, const bt_audio_msg_header_t *msg);
-static int audioservice_expect(int sk, bt_audio_msg_header_t *outmsg,
- int expected_type);
-
-static int bluetooth_start(snd_pcm_ioplug_t *io)
-{
- DBG("bluetooth_start %p", io);
-
- return 0;
-}
-
-static int bluetooth_stop(snd_pcm_ioplug_t *io)
-{
- DBG("bluetooth_stop %p", io);
-
- return 0;
-}
-
-static void *playback_hw_thread(void *param)
-{
- struct bluetooth_data *data = param;
- unsigned int prev_periods;
- double period_time;
- struct timespec start;
- struct pollfd fds[2];
- int poll_timeout;
-
- data->server.events = POLLIN;
- /* note: only errors for data->stream.events */
-
- fds[0] = data->server;
- fds[1] = data->stream;
-
- prev_periods = 0;
- period_time = 1000000.0 * data->io.period_size / data->io.rate;
- if (period_time > (int) (MIN_PERIOD_TIME * 1000))
- poll_timeout = (int) (period_time / 1000.0f);
- else
- poll_timeout = MIN_PERIOD_TIME;
-
- clock_gettime(CLOCK_MONOTONIC, &start);
-
- while (1) {
- unsigned int dtime, periods;
- struct timespec cur, delta;
- int ret;
-
- if (data->stopped)
- goto iter_sleep;
-
- if (data->reset) {
- DBG("Handle XRUN in hw-thread.");
- data->reset = 0;
- clock_gettime(CLOCK_MONOTONIC, &start);
- prev_periods = 0;
- }
-
- clock_gettime(CLOCK_MONOTONIC, &cur);
-
- priv_timespecsub(&cur, &start, &delta);
-
- dtime = delta.tv_sec * 1000000 + delta.tv_nsec / 1000;
- periods = 1.0 * dtime / period_time;
-
- if (periods > prev_periods) {
- char c = 'w';
- int frags = periods - prev_periods, n;
-
- data->hw_ptr += frags * data->io.period_size;
- data->hw_ptr %= data->io.buffer_size;
-
- for (n = 0; n < frags; n++) {
- /* Notify user that hardware pointer
- * has moved * */
- if (write(data->pipefd[1], &c, 1) < 0)
- pthread_testcancel();
- }
-
- /* Reset point of reference to avoid too big values
- * that wont fit an unsigned int */
- if ((unsigned int) delta.tv_sec < UINT_SECS_MAX)
- prev_periods = periods;
- else {
- prev_periods = 0;
- clock_gettime(CLOCK_MONOTONIC, &start);
- }
- }
-
-iter_sleep:
- /* sleep up to one period interval */
- ret = poll(fds, 2, poll_timeout);
-
- if (ret < 0) {
- if (errno != EINTR) {
- SNDERR("poll error: %s (%d)", strerror(errno),
- errno);
- break;
- }
- } else if (ret > 0) {
- ret = (fds[0].revents) ? 0 : 1;
- SNDERR("poll fd %d revents %d", ret, fds[ret].revents);
- if (fds[ret].revents & (POLLERR | POLLHUP | POLLNVAL))
- break;
- }
-
- /* Offer opportunity to be canceled by main thread */
- pthread_testcancel();
- }
-
- data->hw_thread = 0;
- pthread_exit(NULL);
-}
-
-static int bluetooth_playback_start(snd_pcm_ioplug_t *io)
-{
- struct bluetooth_data *data = io->private_data;
- int err;
-
- DBG("%p", io);
-
- data->stopped = 0;
-
- if (data->hw_thread)
- return 0;
-
- err = pthread_create(&data->hw_thread, 0, playback_hw_thread, data);
-
- return -err;
-}
-
-static int bluetooth_playback_stop(snd_pcm_ioplug_t *io)
-{
- struct bluetooth_data *data = io->private_data;
-
- DBG("%p", io);
-
- data->stopped = 1;
-
- return 0;
-}
-
-static snd_pcm_sframes_t bluetooth_pointer(snd_pcm_ioplug_t *io)
-{
- struct bluetooth_data *data = io->private_data;
-
- return data->hw_ptr;
-}
-
-static void bluetooth_exit(struct bluetooth_data *data)
-{
- struct bluetooth_a2dp *a2dp = &data->a2dp;
-
- if (data->server.fd >= 0)
- bt_audio_service_close(data->server.fd);
-
- if (data->stream.fd >= 0)
- close(data->stream.fd);
-
- if (data->hw_thread) {
- pthread_cancel(data->hw_thread);
- pthread_join(data->hw_thread, 0);
- }
-
- if (a2dp->sbc_initialized)
- sbc_finish(&a2dp->sbc);
-
- if (data->pipefd[0] > 0)
- close(data->pipefd[0]);
-
- if (data->pipefd[1] > 0)
- close(data->pipefd[1]);
-
- free(data);
-}
-
-static int bluetooth_close(snd_pcm_ioplug_t *io)
-{
- struct bluetooth_data *data = io->private_data;
-
- DBG("%p", io);
-
- bluetooth_exit(data);
-
- return 0;
-}
-
-static int bluetooth_prepare(snd_pcm_ioplug_t *io)
-{
- struct bluetooth_data *data = io->private_data;
- char c = 'w';
- char buf[BT_SUGGESTED_BUFFER_SIZE];
- struct bt_start_stream_req *req = (void *) buf;
- struct bt_start_stream_rsp *rsp = (void *) buf;
- struct bt_new_stream_ind *ind = (void *) buf;
- uint32_t period_count = io->buffer_size / io->period_size;
- int opt_name, err;
- struct timeval t = { 0, period_count };
-
- DBG("Preparing with io->period_size=%lu io->buffer_size=%lu",
- io->period_size, io->buffer_size);
-
- data->reset = 0;
-
- /* As we're gonna receive messages on the server socket, we have to stop the
- hw thread that is polling on it, if any */
- if (data->hw_thread) {
- pthread_cancel(data->hw_thread);
- pthread_join(data->hw_thread, 0);
- data->hw_thread = 0;
- }
-
- if (io->stream == SND_PCM_STREAM_PLAYBACK)
- /* If not null for playback, xmms doesn't display time
- * correctly */
- data->hw_ptr = 0;
- else
- /* ALSA library is really picky on the fact hw_ptr is not null.
- * If it is, capture won't start */
- data->hw_ptr = io->period_size;
-
- /* send start */
- memset(req, 0, BT_SUGGESTED_BUFFER_SIZE);
- req->h.type = BT_REQUEST;
- req->h.name = BT_START_STREAM;
- req->h.length = sizeof(*req);
-
- err = audioservice_send(data->server.fd, &req->h);
- if (err < 0)
- return err;
-
- rsp->h.length = sizeof(*rsp);
- err = audioservice_expect(data->server.fd, &rsp->h,
- BT_START_STREAM);
- if (err < 0)
- return err;
-
- ind->h.length = sizeof(*ind);
- err = audioservice_expect(data->server.fd, &ind->h,
- BT_NEW_STREAM);
- if (err < 0)
- return err;
-
- if (data->stream.fd >= 0)
- close(data->stream.fd);
-
- data->stream.fd = bt_audio_service_get_data_fd(data->server.fd);
- if (data->stream.fd < 0) {
- return -errno;
- }
-
- if (data->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
- opt_name = (io->stream == SND_PCM_STREAM_PLAYBACK) ?
- SO_SNDTIMEO : SO_RCVTIMEO;
-
- if (setsockopt(data->stream.fd, SOL_SOCKET, opt_name, &t,
- sizeof(t)) < 0)
- return -errno;
- } else {
- opt_name = (io->stream == SND_PCM_STREAM_PLAYBACK) ?
- SCO_TXBUFS : SCO_RXBUFS;
-
- if (setsockopt(data->stream.fd, SOL_SCO, opt_name, &period_count,
- sizeof(period_count)) == 0)
- return 0;
-
- opt_name = (io->stream == SND_PCM_STREAM_PLAYBACK) ?
- SO_SNDBUF : SO_RCVBUF;
-
- if (setsockopt(data->stream.fd, SOL_SCO, opt_name, &period_count,
- sizeof(period_count)) == 0)
- return 0;
-
- /* FIXME : handle error codes */
- }
-
- /* wake up any client polling at us */
- if (write(data->pipefd[1], &c, 1) < 0) {
- err = -errno;
- return err;
- }
-
- return 0;
-}
-
-static int bluetooth_hsp_hw_params(snd_pcm_ioplug_t *io,
- snd_pcm_hw_params_t *params)
-{
- struct bluetooth_data *data = io->private_data;
- char buf[BT_SUGGESTED_BUFFER_SIZE];
- struct bt_open_req *open_req = (void *) buf;
- struct bt_open_rsp *open_rsp = (void *) buf;
- struct bt_set_configuration_req *req = (void *) buf;
- struct bt_set_configuration_rsp *rsp = (void *) buf;
- int err;
-
- DBG("Preparing with io->period_size=%lu io->buffer_size=%lu",
- io->period_size, io->buffer_size);
-
- memset(req, 0, BT_SUGGESTED_BUFFER_SIZE);
- open_req->h.type = BT_REQUEST;
- open_req->h.name = BT_OPEN;
- open_req->h.length = sizeof(*open_req);
-
- strncpy(open_req->destination, data->alsa_config.device, 18);
- open_req->seid = BT_A2DP_SEID_RANGE + 1;
- open_req->lock = (io->stream == SND_PCM_STREAM_PLAYBACK ?
- BT_WRITE_LOCK : BT_READ_LOCK);
-
- err = audioservice_send(data->server.fd, &open_req->h);
- if (err < 0)
- return err;
-
- open_rsp->h.length = sizeof(*open_rsp);
- err = audioservice_expect(data->server.fd, &open_rsp->h,
- BT_OPEN);
- if (err < 0)
- return err;
-
- memset(req, 0, BT_SUGGESTED_BUFFER_SIZE);
- req->h.type = BT_REQUEST;
- req->h.name = BT_SET_CONFIGURATION;
- req->h.length = sizeof(*req);
-
- req->codec.transport = BT_CAPABILITIES_TRANSPORT_SCO;
- req->codec.seid = BT_A2DP_SEID_RANGE + 1;
- req->codec.length = sizeof(pcm_capabilities_t);
-
- req->h.length += req->codec.length - sizeof(req->codec);
- err = audioservice_send(data->server.fd, &req->h);
- if (err < 0)
- return err;
-
- rsp->h.length = sizeof(*rsp);
- err = audioservice_expect(data->server.fd, &rsp->h,
- BT_SET_CONFIGURATION);
- if (err < 0)
- return err;
-
- data->transport = BT_CAPABILITIES_TRANSPORT_SCO;
- data->link_mtu = rsp->link_mtu;
-
- return 0;
-}
-
-static uint8_t default_bitpool(uint8_t freq, uint8_t mode)
-{
- switch (freq) {
- case BT_SBC_SAMPLING_FREQ_16000:
- case BT_SBC_SAMPLING_FREQ_32000:
- return 53;
- case BT_SBC_SAMPLING_FREQ_44100:
- switch (mode) {
- case BT_A2DP_CHANNEL_MODE_MONO:
- case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
- return 31;
- case BT_A2DP_CHANNEL_MODE_STEREO:
- case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
- return 53;
- default:
- DBG("Invalid channel mode %u", mode);
- return 53;
- }
- case BT_SBC_SAMPLING_FREQ_48000:
- switch (mode) {
- case BT_A2DP_CHANNEL_MODE_MONO:
- case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
- return 29;
- case BT_A2DP_CHANNEL_MODE_STEREO:
- case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
- return 51;
- default:
- DBG("Invalid channel mode %u", mode);
- return 51;
- }
- default:
- DBG("Invalid sampling freq %u", freq);
- return 53;
- }
-}
-
-static int bluetooth_a2dp_init(struct bluetooth_data *data,
- snd_pcm_hw_params_t *params)
-{
- struct bluetooth_alsa_config *cfg = &data->alsa_config;
- sbc_capabilities_t *cap = &data->a2dp.sbc_capabilities;
- unsigned int max_bitpool, min_bitpool, rate, channels;
- int dir;
-
- snd_pcm_hw_params_get_rate(params, &rate, &dir);
- snd_pcm_hw_params_get_channels(params, &channels);
-
- switch (rate) {
- case 48000:
- cap->frequency = BT_SBC_SAMPLING_FREQ_48000;
- break;
- case 44100:
- cap->frequency = BT_SBC_SAMPLING_FREQ_44100;
- break;
- case 32000:
- cap->frequency = BT_SBC_SAMPLING_FREQ_32000;
- break;
- case 16000:
- cap->frequency = BT_SBC_SAMPLING_FREQ_16000;
- break;
- default:
- DBG("Rate %d not supported", rate);
- return -1;
- }
-
- if (cfg->has_channel_mode)
- cap->channel_mode = cfg->channel_mode;
- else if (channels == 2) {
- if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
- cap->channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
- else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
- cap->channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
- else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
- cap->channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
- } else {
- if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
- cap->channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
- }
-
- if (!cap->channel_mode) {
- DBG("No supported channel modes");
- return -1;
- }
-
- if (cfg->has_block_length)
- cap->block_length = cfg->block_length;
- else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_16)
- cap->block_length = BT_A2DP_BLOCK_LENGTH_16;
- else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_12)
- cap->block_length = BT_A2DP_BLOCK_LENGTH_12;
- else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_8)
- cap->block_length = BT_A2DP_BLOCK_LENGTH_8;
- else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4)
- cap->block_length = BT_A2DP_BLOCK_LENGTH_4;
- else {
- DBG("No supported block lengths");
- return -1;
- }
-
- if (cfg->has_subbands)
- cap->subbands = cfg->subbands;
- if (cap->subbands & BT_A2DP_SUBBANDS_8)
- cap->subbands = BT_A2DP_SUBBANDS_8;
- else if (cap->subbands & BT_A2DP_SUBBANDS_4)
- cap->subbands = BT_A2DP_SUBBANDS_4;
- else {
- DBG("No supported subbands");
- return -1;
- }
-
- if (cfg->has_allocation_method)
- cap->allocation_method = cfg->allocation_method;
- if (cap->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS)
- cap->allocation_method = BT_A2DP_ALLOCATION_LOUDNESS;
- else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR)
- cap->allocation_method = BT_A2DP_ALLOCATION_SNR;
-
- if (cfg->has_bitpool)
- min_bitpool = max_bitpool = cfg->bitpool;
- else {
- min_bitpool = MAX(MIN_BITPOOL, cap->min_bitpool);
- max_bitpool = MIN(default_bitpool(cap->frequency,
- cap->channel_mode),
- cap->max_bitpool);
- }
-
- cap->min_bitpool = min_bitpool;
- cap->max_bitpool = max_bitpool;
-
- return 0;
-}
-
-static void bluetooth_a2dp_setup(struct bluetooth_a2dp *a2dp)
-{
- sbc_capabilities_t active_capabilities = a2dp->sbc_capabilities;
-
- if (a2dp->sbc_initialized)
- sbc_reinit(&a2dp->sbc, 0);
- else
- sbc_init(&a2dp->sbc, 0);
- a2dp->sbc_initialized = 1;
-
- if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_16000)
- a2dp->sbc.frequency = SBC_FREQ_16000;
-
- if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_32000)
- a2dp->sbc.frequency = SBC_FREQ_32000;
-
- if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_44100)
- a2dp->sbc.frequency = SBC_FREQ_44100;
-
- if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_48000)
- a2dp->sbc.frequency = SBC_FREQ_48000;
-
- if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
- a2dp->sbc.mode = SBC_MODE_MONO;
-
- if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
- a2dp->sbc.mode = SBC_MODE_DUAL_CHANNEL;
-
- if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
- a2dp->sbc.mode = SBC_MODE_STEREO;
-
- if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
- a2dp->sbc.mode = SBC_MODE_JOINT_STEREO;
-
- a2dp->sbc.allocation = active_capabilities.allocation_method
- == BT_A2DP_ALLOCATION_SNR ? SBC_AM_SNR
- : SBC_AM_LOUDNESS;
-
- switch (active_capabilities.subbands) {
- case BT_A2DP_SUBBANDS_4:
- a2dp->sbc.subbands = SBC_SB_4;
- break;
- case BT_A2DP_SUBBANDS_8:
- a2dp->sbc.subbands = SBC_SB_8;
- break;
- }
-
- switch (active_capabilities.block_length) {
- case BT_A2DP_BLOCK_LENGTH_4:
- a2dp->sbc.blocks = SBC_BLK_4;
- break;
- case BT_A2DP_BLOCK_LENGTH_8:
- a2dp->sbc.blocks = SBC_BLK_8;
- break;
- case BT_A2DP_BLOCK_LENGTH_12:
- a2dp->sbc.blocks = SBC_BLK_12;
- break;
- case BT_A2DP_BLOCK_LENGTH_16:
- a2dp->sbc.blocks = SBC_BLK_16;
- break;
- }
-
- a2dp->sbc.bitpool = active_capabilities.max_bitpool;
- a2dp->codesize = sbc_get_codesize(&a2dp->sbc);
- a2dp->count = sizeof(struct rtp_header) + sizeof(struct rtp_payload);
-}
-
-static int bluetooth_a2dp_hw_params(snd_pcm_ioplug_t *io,
- snd_pcm_hw_params_t *params)
-{
- struct bluetooth_data *data = io->private_data;
- struct bluetooth_a2dp *a2dp = &data->a2dp;
- char buf[BT_SUGGESTED_BUFFER_SIZE];
- struct bt_open_req *open_req = (void *) buf;
- struct bt_open_rsp *open_rsp = (void *) buf;
- struct bt_set_configuration_req *req = (void *) buf;
- struct bt_set_configuration_rsp *rsp = (void *) buf;
- int err;
-
- DBG("Preparing with io->period_size=%lu io->buffer_size=%lu",
- io->period_size, io->buffer_size);
-
- memset(req, 0, BT_SUGGESTED_BUFFER_SIZE);
- open_req->h.type = BT_REQUEST;
- open_req->h.name = BT_OPEN;
- open_req->h.length = sizeof(*open_req);
-
- strncpy(open_req->destination, data->alsa_config.device, 18);
- open_req->seid = a2dp->sbc_capabilities.capability.seid;
- open_req->lock = (io->stream == SND_PCM_STREAM_PLAYBACK ?
- BT_WRITE_LOCK : BT_READ_LOCK);
-
- err = audioservice_send(data->server.fd, &open_req->h);
- if (err < 0)
- return err;
-
- open_rsp->h.length = sizeof(*open_rsp);
- err = audioservice_expect(data->server.fd, &open_rsp->h,
- BT_OPEN);
- if (err < 0)
- return err;
-
- err = bluetooth_a2dp_init(data, params);
- if (err < 0)
- return err;
-
- memset(req, 0, BT_SUGGESTED_BUFFER_SIZE);
- req->h.type = BT_REQUEST;
- req->h.name = BT_SET_CONFIGURATION;
- req->h.length = sizeof(*req);
-
- memcpy(&req->codec, &a2dp->sbc_capabilities,
- sizeof(a2dp->sbc_capabilities));
-
- req->codec.transport = BT_CAPABILITIES_TRANSPORT_A2DP;
- req->codec.length = sizeof(a2dp->sbc_capabilities);
- req->h.length += req->codec.length - sizeof(req->codec);
-
- err = audioservice_send(data->server.fd, &req->h);
- if (err < 0)
- return err;
-
- rsp->h.length = sizeof(*rsp);
- err = audioservice_expect(data->server.fd, &rsp->h,
- BT_SET_CONFIGURATION);
- if (err < 0)
- return err;
-
- data->transport = BT_CAPABILITIES_TRANSPORT_A2DP;
- data->link_mtu = rsp->link_mtu;
-
- /* Setup SBC encoder now we agree on parameters */
- bluetooth_a2dp_setup(a2dp);
-
- DBG("\tallocation=%u\n\tsubbands=%u\n\tblocks=%u\n\tbitpool=%u\n",
- a2dp->sbc.allocation, a2dp->sbc.subbands, a2dp->sbc.blocks,
- a2dp->sbc.bitpool);
-
- return 0;
-}
-
-static int bluetooth_poll_descriptors(snd_pcm_ioplug_t *io,
- struct pollfd *pfd, unsigned int space)
-{
- struct bluetooth_data *data = io->private_data;
-
- assert(io);
-
- if (space < 1)
- return 0;
-
- pfd[0].fd = data->stream.fd;
- pfd[0].events = POLLIN;
- pfd[0].revents = 0;
-
- return 1;
-}
-
-static int bluetooth_poll_revents(snd_pcm_ioplug_t *io ATTRIBUTE_UNUSED,
- struct pollfd *pfds, unsigned int nfds,
- unsigned short *revents)
-{
- assert(pfds && nfds == 1 && revents);
-
- *revents = pfds[0].revents;
-
- return 0;
-}
-
-static int bluetooth_playback_poll_descriptors_count(snd_pcm_ioplug_t *io)
-{
- return 2;
-}
-
-static int bluetooth_playback_poll_descriptors(snd_pcm_ioplug_t *io,
- struct pollfd *pfd, unsigned int space)
-{
- struct bluetooth_data *data = io->private_data;
-
- DBG("");
-
- assert(data->pipefd[0] >= 0);
-
- if (space < 2)
- return 0;
-
- pfd[0].fd = data->pipefd[0];
- pfd[0].events = POLLIN;
- pfd[0].revents = 0;
- pfd[1].fd = data->stream.fd;
- pfd[1].events = POLLERR | POLLHUP | POLLNVAL;
- pfd[1].revents = 0;
-
- return 2;
-}
-
-static int bluetooth_playback_poll_revents(snd_pcm_ioplug_t *io,
- struct pollfd *pfds, unsigned int nfds,
- unsigned short *revents)
-{
- static char buf[1];
-
- DBG("");
-
- assert(pfds);
- assert(nfds == 2);
- assert(revents);
- assert(pfds[0].fd >= 0);
- assert(pfds[1].fd >= 0);
-
- if (io->state != SND_PCM_STATE_PREPARED)
- if (read(pfds[0].fd, buf, 1) < 0)
- SYSERR("read error: %s (%d)", strerror(errno), errno);
-
- if (pfds[1].revents & (POLLERR | POLLHUP | POLLNVAL))
- io->state = SND_PCM_STATE_DISCONNECTED;
-
- *revents = (pfds[0].revents & POLLIN) ? POLLOUT : 0;
-
- return 0;
-}
-
-
-static snd_pcm_sframes_t bluetooth_hsp_read(snd_pcm_ioplug_t *io,
- const snd_pcm_channel_area_t *areas,
- snd_pcm_uframes_t offset,
- snd_pcm_uframes_t size)
-{
- struct bluetooth_data *data = io->private_data;
- snd_pcm_uframes_t frames_to_write, ret;
- unsigned char *buff;
- unsigned int frame_size = 0;
- int nrecv;
-
- DBG("areas->step=%u areas->first=%u offset=%lu size=%lu io->nonblock=%u",
- areas->step, areas->first, offset, size, io->nonblock);
-
- frame_size = areas->step / 8;
-
- if (data->count > 0)
- goto proceed;
-
- nrecv = recv(data->stream.fd, data->buffer, data->link_mtu,
- io->nonblock ? MSG_DONTWAIT : 0);
-
- if (nrecv < 0) {
- ret = (errno == EPIPE) ? -EIO : -errno;
- goto done;
- }
-
- if ((unsigned int) nrecv != data->link_mtu) {
- ret = -EIO;
- SNDERR(strerror(-ret));
- goto done;
- }
-
- /* Increment hardware transmition pointer */
- data->hw_ptr = (data->hw_ptr + data->link_mtu / frame_size) %
- io->buffer_size;
-
-proceed:
- buff = (unsigned char *) areas->addr +
- (areas->first + areas->step * offset) / 8;
-
- if ((data->count + size * frame_size) <= data->link_mtu)
- frames_to_write = size;
- else
- frames_to_write = (data->link_mtu - data->count) / frame_size;
-
- memcpy(buff, data->buffer + data->count, frame_size * frames_to_write);
- data->count += (frame_size * frames_to_write);
- data->count %= data->link_mtu;
-
- /* Return written frames count */
- ret = frames_to_write;
-
-done:
- DBG("returning %lu", ret);
- return ret;
-}
-
-static snd_pcm_sframes_t bluetooth_hsp_write(snd_pcm_ioplug_t *io,
- const snd_pcm_channel_area_t *areas,
- snd_pcm_uframes_t offset,
- snd_pcm_uframes_t size)
-{
- struct bluetooth_data *data = io->private_data;
- snd_pcm_sframes_t ret = 0;
- snd_pcm_uframes_t frames_to_read;
- uint8_t *buff;
- int rsend, frame_size;
-
- DBG("areas->step=%u areas->first=%u offset=%lu, size=%lu io->nonblock=%u",
- areas->step, areas->first, offset, size, io->nonblock);
-
- if (io->hw_ptr > io->appl_ptr) {
- ret = bluetooth_playback_stop(io);
- if (ret == 0)
- ret = -EPIPE;
- goto done;
- }
-
- frame_size = areas->step / 8;
- if ((data->count + size * frame_size) <= data->link_mtu)
- frames_to_read = size;
- else
- frames_to_read = (data->link_mtu - data->count) / frame_size;
-
- DBG("count=%d frames_to_read=%lu", data->count, frames_to_read);
-
- /* Ready for more data */
- buff = (uint8_t *) areas->addr +
- (areas->first + areas->step * offset) / 8;
- memcpy(data->buffer + data->count, buff, frame_size * frames_to_read);
-
- /* Remember we have some frames in the pipe now */
- data->count += frames_to_read * frame_size;
- if (data->count != data->link_mtu) {
- ret = frames_to_read;
- goto done;
- }
-
- rsend = send(data->stream.fd, data->buffer, data->link_mtu,
- io->nonblock ? MSG_DONTWAIT : 0);
- if (rsend > 0) {
- /* Reset count pointer */
- data->count = 0;
-
- ret = frames_to_read;
- } else if (rsend < 0)
- ret = (errno == EPIPE) ? -EIO : -errno;
- else
- ret = -EIO;
-
-done:
- DBG("returning %ld", ret);
- return ret;
-}
-
-static snd_pcm_sframes_t bluetooth_a2dp_read(snd_pcm_ioplug_t *io,
- const snd_pcm_channel_area_t *areas,
- snd_pcm_uframes_t offset, snd_pcm_uframes_t size)
-{
- snd_pcm_uframes_t ret = 0;
- return ret;
-}
-
-static int avdtp_write(struct bluetooth_data *data)
-{
- int err;
- struct rtp_header *header;
- struct rtp_payload *payload;
- struct bluetooth_a2dp *a2dp = &data->a2dp;
-
- header = (void *) a2dp->buffer;
- payload = (void *) (a2dp->buffer + sizeof(*header));
-
- memset(a2dp->buffer, 0, sizeof(*header) + sizeof(*payload));
-
- payload->frame_count = a2dp->frame_count;
- header->v = 2;
- header->pt = 1;
- header->sequence_number = htons(a2dp->seq_num);
- header->timestamp = htonl(a2dp->nsamples);
- header->ssrc = htonl(1);
-
- err = send(data->stream.fd, a2dp->buffer, a2dp->count, MSG_DONTWAIT);
- if (err < 0) {
- err = -errno;
- DBG("send failed: %s (%d)", strerror(-err), -err);
- }
-
- /* Reset buffer of data to send */
- a2dp->count = sizeof(struct rtp_header) + sizeof(struct rtp_payload);
- a2dp->frame_count = 0;
- a2dp->samples = 0;
- a2dp->seq_num++;
-
- return err;
-}
-
-static snd_pcm_sframes_t bluetooth_a2dp_write(snd_pcm_ioplug_t *io,
- const snd_pcm_channel_area_t *areas,
- snd_pcm_uframes_t offset, snd_pcm_uframes_t size)
-{
- struct bluetooth_data *data = io->private_data;
- struct bluetooth_a2dp *a2dp = &data->a2dp;
- snd_pcm_sframes_t ret = 0;
- unsigned int bytes_left;
- int frame_size, encoded;
- ssize_t written;
- uint8_t *buff;
-
- DBG("areas->step=%u areas->first=%u offset=%lu size=%lu",
- areas->step, areas->first, offset, size);
- DBG("hw_ptr=%lu appl_ptr=%lu diff=%lu", io->hw_ptr, io->appl_ptr,
- io->appl_ptr - io->hw_ptr);
-
- /* Calutate starting pointers */
- frame_size = areas->step / 8;
- bytes_left = size * frame_size;
- buff = (uint8_t *) areas->addr +
- (areas->first + areas->step * (offset)) / 8;
-
- /* Check for underrun */
- if (io->hw_ptr > io->appl_ptr) {
- ret = bluetooth_playback_stop(io);
- if (ret == 0)
- ret = -EPIPE;
- data->reset = 1;
- return ret;
- }
-
- /* Check if we should autostart */
- if (io->state == SND_PCM_STATE_PREPARED) {
- snd_pcm_sw_params_t *swparams;
- snd_pcm_uframes_t threshold;
-
- snd_pcm_sw_params_malloc(&swparams);
- if (!snd_pcm_sw_params_current(io->pcm, swparams) &&
- !snd_pcm_sw_params_get_start_threshold(swparams,
- &threshold)) {
- if (io->appl_ptr >= threshold) {
- ret = snd_pcm_start(io->pcm);
- if (ret != 0)
- return ret;
- }
- }
-
- snd_pcm_sw_params_free(swparams);
- }
-
- /* Check if we have any left over data from the last write */
- if (data->count > 0) {
- unsigned int additional_bytes_needed =
- a2dp->codesize - data->count;
- if (additional_bytes_needed > bytes_left)
- goto out;
-
- memcpy(data->buffer + data->count, buff,
- additional_bytes_needed);
-
- /* Enough data to encode (sbc wants 1k blocks) */
- encoded = sbc_encode(&a2dp->sbc, data->buffer, a2dp->codesize,
- a2dp->buffer + a2dp->count,
- sizeof(a2dp->buffer) - a2dp->count,
- &written);
- if (encoded <= 0) {
- DBG("Encoding error %d", encoded);
- goto done;
- }
-
- /* Increment a2dp buffers */
- a2dp->count += written;
- a2dp->frame_count++;
- a2dp->samples += encoded / frame_size;
- a2dp->nsamples += encoded / frame_size;
-
- /* No space left for another frame then send */
- if (a2dp->count + written >= data->link_mtu) {
- avdtp_write(data);
- DBG("sending packet %d, count %d, link_mtu %u",
- a2dp->seq_num, a2dp->count,
- data->link_mtu);
- }
-
- /* Increment up buff pointer to take into account
- * the data processed */
- buff += additional_bytes_needed;
- bytes_left -= additional_bytes_needed;
-
- /* Since data has been process mark it as zero */
- data->count = 0;
- }
-
-
- /* Process this buffer in full chunks */
- while (bytes_left >= a2dp->codesize) {
- /* Enough data to encode (sbc wants 1k blocks) */
- encoded = sbc_encode(&a2dp->sbc, buff, a2dp->codesize,
- a2dp->buffer + a2dp->count,
- sizeof(a2dp->buffer) - a2dp->count,
- &written);
- if (encoded <= 0) {
- DBG("Encoding error %d", encoded);
- goto done;
- }
-
- /* Increment up buff pointer to take into account
- * the data processed */
- buff += a2dp->codesize;
- bytes_left -= a2dp->codesize;
-
- /* Increment a2dp buffers */
- a2dp->count += written;
- a2dp->frame_count++;
- a2dp->samples += encoded / frame_size;
- a2dp->nsamples += encoded / frame_size;
-
- /* No space left for another frame then send */
- if (a2dp->count + written >= data->link_mtu) {
- avdtp_write(data);
- DBG("sending packet %d, count %d, link_mtu %u",
- a2dp->seq_num, a2dp->count,
- data->link_mtu);
- }
- }
-
-out:
- /* Copy the extra to our temp buffer for the next write */
- if (bytes_left > 0) {
- memcpy(data->buffer + data->count, buff, bytes_left);
- data->count += bytes_left;
- bytes_left = 0;
- }
-
-done:
- DBG("returning %ld", size - bytes_left / frame_size);
-
- return size - bytes_left / frame_size;
-}
-
-static int bluetooth_playback_delay(snd_pcm_ioplug_t *io,
- snd_pcm_sframes_t *delayp)
-{
- DBG("");
-
- /* This updates io->hw_ptr value using pointer() function */
- snd_pcm_hwsync(io->pcm);
-
- *delayp = io->appl_ptr - io->hw_ptr;
- if ((io->state == SND_PCM_STATE_RUNNING) && (*delayp < 0)) {
- io->callback->stop(io);
- io->state = SND_PCM_STATE_XRUN;
- *delayp = 0;
- }
-
- /* This should never fail, ALSA API is really not
- prepared to handle a non zero return value */
- return 0;
-}
-
-static snd_pcm_ioplug_callback_t bluetooth_hsp_playback = {
- .start = bluetooth_playback_start,
- .stop = bluetooth_playback_stop,
- .pointer = bluetooth_pointer,
- .close = bluetooth_close,
- .hw_params = bluetooth_hsp_hw_params,
- .prepare = bluetooth_prepare,
- .transfer = bluetooth_hsp_write,
- .poll_descriptors_count = bluetooth_playback_poll_descriptors_count,
- .poll_descriptors = bluetooth_playback_poll_descriptors,
- .poll_revents = bluetooth_playback_poll_revents,
- .delay = bluetooth_playback_delay,
-};
-
-static snd_pcm_ioplug_callback_t bluetooth_hsp_capture = {
- .start = bluetooth_start,
- .stop = bluetooth_stop,
- .pointer = bluetooth_pointer,
- .close = bluetooth_close,
- .hw_params = bluetooth_hsp_hw_params,
- .prepare = bluetooth_prepare,
- .transfer = bluetooth_hsp_read,
- .poll_descriptors = bluetooth_poll_descriptors,
- .poll_revents = bluetooth_poll_revents,
-};
-
-static snd_pcm_ioplug_callback_t bluetooth_a2dp_playback = {
- .start = bluetooth_playback_start,
- .stop = bluetooth_playback_stop,
- .pointer = bluetooth_pointer,
- .close = bluetooth_close,
- .hw_params = bluetooth_a2dp_hw_params,
- .prepare = bluetooth_prepare,
- .transfer = bluetooth_a2dp_write,
- .poll_descriptors_count = bluetooth_playback_poll_descriptors_count,
- .poll_descriptors = bluetooth_playback_poll_descriptors,
- .poll_revents = bluetooth_playback_poll_revents,
- .delay = bluetooth_playback_delay,
-};
-
-static snd_pcm_ioplug_callback_t bluetooth_a2dp_capture = {
- .start = bluetooth_start,
- .stop = bluetooth_stop,
- .pointer = bluetooth_pointer,
- .close = bluetooth_close,
- .hw_params = bluetooth_a2dp_hw_params,
- .prepare = bluetooth_prepare,
- .transfer = bluetooth_a2dp_read,
- .poll_descriptors = bluetooth_poll_descriptors,
- .poll_revents = bluetooth_poll_revents,
-};
-
-#define ARRAY_NELEMS(a) (sizeof((a)) / sizeof((a)[0]))
-
-static int bluetooth_hsp_hw_constraint(snd_pcm_ioplug_t *io)
-{
- struct bluetooth_data *data = io->private_data;
- snd_pcm_access_t access_list[] = {
- SND_PCM_ACCESS_RW_INTERLEAVED,
- /* Mmap access is really useless fo this driver, but we
- * support it because some pieces of software out there
- * insist on using it */
- SND_PCM_ACCESS_MMAP_INTERLEAVED
- };
- unsigned int format_list[] = {
- SND_PCM_FORMAT_S16
- };
- int err;
-
- /* access type */
- err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_ACCESS,
- ARRAY_NELEMS(access_list), access_list);
- if (err < 0)
- return err;
-
- /* supported formats */
- err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_FORMAT,
- ARRAY_NELEMS(format_list), format_list);
- if (err < 0)
- return err;
-
- /* supported channels */
- err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_CHANNELS,
- 1, 1);
- if (err < 0)
- return err;
-
- /* supported rate */
- err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_RATE,
- 8000, 8000);
- if (err < 0)
- return err;
-
- /* supported block size */
- err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_PERIOD_BYTES,
- data->link_mtu, data->link_mtu);
- if (err < 0)
- return err;
-
- err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_PERIODS,
- 2, 200);
- if (err < 0)
- return err;
-
- return 0;
-}
-
-static int bluetooth_a2dp_hw_constraint(snd_pcm_ioplug_t *io)
-{
- struct bluetooth_data *data = io->private_data;
- struct bluetooth_a2dp *a2dp = &data->a2dp;
- struct bluetooth_alsa_config *cfg = &data->alsa_config;
- snd_pcm_access_t access_list[] = {
- SND_PCM_ACCESS_RW_INTERLEAVED,
- /* Mmap access is really useless fo this driver, but we
- * support it because some pieces of software out there
- * insist on using it */
- SND_PCM_ACCESS_MMAP_INTERLEAVED
- };
- unsigned int format_list[] = {
- SND_PCM_FORMAT_S16
- };
- unsigned int rate_list[4];
- unsigned int rate_count;
- int err, min_channels, max_channels;
- unsigned int period_list[] = {
- 2048,
- 4096, /* e.g. 23.2msec/period (stereo 16bit at 44.1kHz) */
- 8192
- };
-
- /* access type */
- err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_ACCESS,
- ARRAY_NELEMS(access_list), access_list);
- if (err < 0)
- return err;
-
- /* supported formats */
- err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_FORMAT,
- ARRAY_NELEMS(format_list), format_list);
- if (err < 0)
- return err;
-
- /* supported channels */
- if (cfg->has_channel_mode)
- a2dp->sbc_capabilities.channel_mode = cfg->channel_mode;
-
- if (a2dp->sbc_capabilities.channel_mode &
- BT_A2DP_CHANNEL_MODE_MONO)
- min_channels = 1;
- else
- min_channels = 2;
-
- if (a2dp->sbc_capabilities.channel_mode &
- (~BT_A2DP_CHANNEL_MODE_MONO))
- max_channels = 2;
- else
- max_channels = 1;
-
- err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_CHANNELS,
- min_channels, max_channels);
- if (err < 0)
- return err;
-
- /* supported buffer sizes
- * (can be used as 3*8192, 6*4096, 12*2048, ...) */
- err = snd_pcm_ioplug_set_param_minmax(io,
- SND_PCM_IOPLUG_HW_BUFFER_BYTES,
- 8192*3, 8192*3);
- if (err < 0)
- return err;
-
- /* supported block sizes: */
- err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_PERIOD_BYTES,
- ARRAY_NELEMS(period_list), period_list);
- if (err < 0)
- return err;
-
- /* supported rates */
- rate_count = 0;
- if (cfg->has_rate) {
- rate_list[rate_count] = cfg->rate;
- rate_count++;
- } else {
- if (a2dp->sbc_capabilities.frequency &
- BT_SBC_SAMPLING_FREQ_16000) {
- rate_list[rate_count] = 16000;
- rate_count++;
- }
-
- if (a2dp->sbc_capabilities.frequency &
- BT_SBC_SAMPLING_FREQ_32000) {
- rate_list[rate_count] = 32000;
- rate_count++;
- }
-
- if (a2dp->sbc_capabilities.frequency &
- BT_SBC_SAMPLING_FREQ_44100) {
- rate_list[rate_count] = 44100;
- rate_count++;
- }
-
- if (a2dp->sbc_capabilities.frequency &
- BT_SBC_SAMPLING_FREQ_48000) {
- rate_list[rate_count] = 48000;
- rate_count++;
- }
- }
-
- err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_RATE,
- rate_count, rate_list);
- if (err < 0)
- return err;
-
- return 0;
-}
-
-static int bluetooth_parse_config(snd_config_t *conf,
- struct bluetooth_alsa_config *bt_config)
-{
- snd_config_iterator_t i, next;
-
- memset(bt_config, 0, sizeof(struct bluetooth_alsa_config));
-
- /* Set defaults */
- bt_config->autoconnect = 1;
-
- snd_config_for_each(i, next, conf) {
- snd_config_t *n = snd_config_iterator_entry(i);
- const char *id, *value;
-
- if (snd_config_get_id(n, &id) < 0)
- continue;
-
- if (strcmp(id, "comment") == 0 || strcmp(id, "type") == 0)
- continue;
-
- if (strcmp(id, "autoconnect") == 0) {
- int b;
-
- b = snd_config_get_bool(n);
- if (b < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- bt_config->autoconnect = b;
- continue;
- }
-
- if (strcmp(id, "device") == 0 || strcmp(id, "bdaddr") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- bt_config->has_device = 1;
- strncpy(bt_config->device, value, 18);
- continue;
- }
-
- if (strcmp(id, "profile") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- if (strcmp(value, "auto") == 0) {
- bt_config->transport = BT_CAPABILITIES_TRANSPORT_ANY;
- bt_config->has_transport = 1;
- } else if (strcmp(value, "voice") == 0 ||
- strcmp(value, "hfp") == 0) {
- bt_config->transport = BT_CAPABILITIES_TRANSPORT_SCO;
- bt_config->has_transport = 1;
- } else if (strcmp(value, "hifi") == 0 ||
- strcmp(value, "a2dp") == 0) {
- bt_config->transport = BT_CAPABILITIES_TRANSPORT_A2DP;
- bt_config->has_transport = 1;
- }
- continue;
- }
-
- if (strcmp(id, "rate") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- bt_config->rate = atoi(value);
- bt_config->has_rate = 1;
- continue;
- }
-
- if (strcmp(id, "mode") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- if (strcmp(value, "mono") == 0) {
- bt_config->channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
- bt_config->has_channel_mode = 1;
- } else if (strcmp(value, "dual") == 0) {
- bt_config->channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
- bt_config->has_channel_mode = 1;
- } else if (strcmp(value, "stereo") == 0) {
- bt_config->channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
- bt_config->has_channel_mode = 1;
- } else if (strcmp(value, "joint") == 0) {
- bt_config->channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
- bt_config->has_channel_mode = 1;
- }
- continue;
- }
-
- if (strcmp(id, "allocation") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- if (strcmp(value, "loudness") == 0) {
- bt_config->allocation_method = BT_A2DP_ALLOCATION_LOUDNESS;
- bt_config->has_allocation_method = 1;
- } else if (strcmp(value, "snr") == 0) {
- bt_config->allocation_method = BT_A2DP_ALLOCATION_SNR;
- bt_config->has_allocation_method = 1;
- }
- continue;
- }
-
- if (strcmp(id, "subbands") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- bt_config->subbands = atoi(value);
- bt_config->has_subbands = 1;
- continue;
- }
-
- if (strcmp(id, "blocks") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- bt_config->block_length = atoi(value);
- bt_config->has_block_length = 1;
- continue;
- }
-
- if (strcmp(id, "bitpool") == 0) {
- if (snd_config_get_string(n, &value) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
-
- bt_config->bitpool = atoi(value);
- bt_config->has_bitpool = 1;
- continue;
- }
-
- SNDERR("Unknown field %s", id);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int audioservice_send(int sk, const bt_audio_msg_header_t *msg)
-{
- int err;
- uint16_t length;
-
- length = msg->length ? msg->length : BT_SUGGESTED_BUFFER_SIZE;
-
- DBG("sending %s:%s", bt_audio_strtype(msg->type),
- bt_audio_strname(msg->name));
- if (send(sk, msg, length, 0) > 0)
- err = 0;
- else {
- err = -errno;
- SNDERR("Error sending data to audio service: %s(%d)",
- strerror(-err), -err);
- }
-
- return err;
-}
-
-static int audioservice_recv(int sk, bt_audio_msg_header_t *inmsg)
-{
- int err;
- ssize_t ret;
- const char *type, *name;
- uint16_t length;
-
- length = inmsg->length ? inmsg->length : BT_SUGGESTED_BUFFER_SIZE;
-
- DBG("trying to receive msg from audio service...");
-
- ret = recv(sk, inmsg, length, 0);
- if (ret < 0) {
- err = -errno;
- SNDERR("Error receiving IPC data from bluetoothd: %s (%d)",
- strerror(-err), -err);
- } else if ((size_t) ret < sizeof(bt_audio_msg_header_t)) {
- SNDERR("Too short (%d bytes) IPC packet from bluetoothd", ret);
- err = -EINVAL;
- } else {
- type = bt_audio_strtype(inmsg->type);
- name = bt_audio_strname(inmsg->name);
- if (type && name) {
- DBG("Received %s - %s", type, name);
- err = 0;
- } else {
- err = -EINVAL;
- SNDERR("Bogus message type %d - name %d"
- " received from audio service",
- inmsg->type, inmsg->name);
- }
-
- }
-
- return err;
-}
-
-static int audioservice_expect(int sk, bt_audio_msg_header_t *rsp,
- int expected_name)
-{
- bt_audio_error_t *error;
- int err = audioservice_recv(sk, rsp);
-
- if (err != 0)
- return err;
-
- if (rsp->name != expected_name) {
- err = -EINVAL;
- SNDERR("Bogus message %s received while %s was expected",
- bt_audio_strname(rsp->name),
- bt_audio_strname(expected_name));
- }
-
- if (rsp->type == BT_ERROR) {
- error = (void *) rsp;
- SNDERR("%s failed : %s(%d)",
- bt_audio_strname(rsp->name),
- strerror(error->posix_errno),
- error->posix_errno);
- return -error->posix_errno;
- }
-
- return err;
-}
-
-static int bluetooth_parse_capabilities(struct bluetooth_data *data,
- struct bt_get_capabilities_rsp *rsp)
-{
- int bytes_left = rsp->h.length - sizeof(*rsp);
- codec_capabilities_t *codec = (void *) rsp->data;
-
- data->transport = codec->transport;
-
- if (codec->transport != BT_CAPABILITIES_TRANSPORT_A2DP)
- return 0;
-
- while (bytes_left > 0) {
- if ((codec->type == BT_A2DP_SBC_SINK) &&
- !(codec->lock & BT_WRITE_LOCK))
- break;
-
- bytes_left -= codec->length;
- codec = (void *) codec + codec->length;
- }
-
- if (bytes_left <= 0 ||
- codec->length != sizeof(data->a2dp.sbc_capabilities))
- return -EINVAL;
-
- memcpy(&data->a2dp.sbc_capabilities, codec, codec->length);
-
- return 0;
-}
-
-static int bluetooth_init(struct bluetooth_data *data,
- snd_pcm_stream_t stream, snd_config_t *conf)
-{
- int sk, err;
- struct bluetooth_alsa_config *alsa_conf = &data->alsa_config;
- char buf[BT_SUGGESTED_BUFFER_SIZE];
- struct bt_get_capabilities_req *req = (void *) buf;
- struct bt_get_capabilities_rsp *rsp = (void *) buf;
-
- memset(data, 0, sizeof(struct bluetooth_data));
-
- err = bluetooth_parse_config(conf, alsa_conf);
- if (err < 0)
- return err;
-
- data->server.fd = -1;
- data->stream.fd = -1;
-
- sk = bt_audio_service_open();
- if (sk < 0) {
- err = -errno;
- goto failed;
- }
-
- data->server.fd = sk;
- data->server.events = POLLIN;
-
- data->pipefd[0] = -1;
- data->pipefd[1] = -1;
-
- if (pipe(data->pipefd) < 0) {
- err = -errno;
- goto failed;
- }
- if (fcntl(data->pipefd[0], F_SETFL, O_NONBLOCK) < 0) {
- err = -errno;
- goto failed;
- }
- if (fcntl(data->pipefd[1], F_SETFL, O_NONBLOCK) < 0) {
- err = -errno;
- goto failed;
- }
-
- memset(req, 0, BT_SUGGESTED_BUFFER_SIZE);
- req->h.type = BT_REQUEST;
- req->h.name = BT_GET_CAPABILITIES;
- req->h.length = sizeof(*req);
-
- if (alsa_conf->autoconnect)
- req->flags |= BT_FLAG_AUTOCONNECT;
- strncpy(req->destination, alsa_conf->device, 18);
- if (alsa_conf->has_transport)
- req->transport = alsa_conf->transport;
- else
- req->transport = BT_CAPABILITIES_TRANSPORT_ANY;
-
- err = audioservice_send(data->server.fd, &req->h);
- if (err < 0)
- goto failed;
-
- rsp->h.length = 0;
- err = audioservice_expect(data->server.fd, &rsp->h,
- BT_GET_CAPABILITIES);
- if (err < 0)
- goto failed;
-
- bluetooth_parse_capabilities(data, rsp);
-
- return 0;
-
-failed:
- if (sk >= 0)
- bt_audio_service_close(sk);
- return err;
-}
-
-SND_PCM_PLUGIN_DEFINE_FUNC(bluetooth);
-
-SND_PCM_PLUGIN_DEFINE_FUNC(bluetooth)
-{
- struct bluetooth_data *data;
- int err;
-
- DBG("Bluetooth PCM plugin (%s)",
- stream == SND_PCM_STREAM_PLAYBACK ? "Playback" : "Capture");
-
- data = malloc(sizeof(struct bluetooth_data));
- if (!data) {
- err = -ENOMEM;
- goto error;
- }
-
- err = bluetooth_init(data, stream, conf);
- if (err < 0)
- goto error;
-
- data->io.version = SND_PCM_IOPLUG_VERSION;
- data->io.name = "Bluetooth Audio Device";
- data->io.mmap_rw = 0; /* No direct mmap communication */
- data->io.private_data = data;
-
- if (data->transport == BT_CAPABILITIES_TRANSPORT_A2DP)
- data->io.callback = stream == SND_PCM_STREAM_PLAYBACK ?
- &bluetooth_a2dp_playback :
- &bluetooth_a2dp_capture;
- else
- data->io.callback = stream == SND_PCM_STREAM_PLAYBACK ?
- &bluetooth_hsp_playback :
- &bluetooth_hsp_capture;
-
- err = snd_pcm_ioplug_create(&data->io, name, stream, mode);
- if (err < 0)
- goto error;
-
- if (data->transport == BT_CAPABILITIES_TRANSPORT_A2DP)
- err = bluetooth_a2dp_hw_constraint(&data->io);
- else
- err = bluetooth_hsp_hw_constraint(&data->io);
-
- if (err < 0) {
- snd_pcm_ioplug_delete(&data->io);
- goto error;
- }
-
- *pcmp = data->io.pcm;
-
- return 0;
-
-error:
- if (data)
- bluetooth_exit(data);
-
- return err;
-}
-
-SND_PCM_PLUGIN_SYMBOL(bluetooth);
diff --git a/configure.ac b/configure.ac
index f2db920..7f331ae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -41,7 +41,6 @@ AC_CHECK_HEADER([sys/inotify.h],
[AC_MSG_ERROR(inotify headers are required and missing)])
AC_PATH_DBUS
AC_PATH_GLIB
-AC_PATH_ALSA
AC_PATH_GSTREAMER
AC_PATH_USB
AC_PATH_UDEV
--
1.7.10.2
--
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