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a2dp.c
1503 lines (1213 loc) · 32.6 KB
/
a2dp.c
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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2006-2007 Nokia Corporation
* Copyright (C) 2004-2009 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; 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 <stdlib.h>
#include <errno.h>
#include <dbus/dbus.h>
#include <glib.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#include "logging.h"
#include "device.h"
#include "manager.h"
#include "avdtp.h"
#include "sink.h"
#include "a2dp.h"
#include "sdpd.h"
/* The duration that streams without users are allowed to stay in
* STREAMING state. */
#define SUSPEND_TIMEOUT 5
#define RECONFIGURE_TIMEOUT 500
#ifndef MIN
# define MIN(x, y) ((x) < (y) ? (x) : (y))
#endif
#ifndef MAX
# define MAX(x, y) ((x) > (y) ? (x) : (y))
#endif
struct a2dp_sep {
uint8_t type;
uint8_t codec;
struct avdtp_local_sep *sep;
struct avdtp *session;
struct avdtp_stream *stream;
guint suspend_timer;
gboolean locked;
gboolean suspending;
gboolean starting;
};
struct a2dp_setup_cb {
a2dp_config_cb_t config_cb;
a2dp_stream_cb_t resume_cb;
a2dp_stream_cb_t suspend_cb;
void *user_data;
int id;
};
struct a2dp_setup {
struct avdtp *session;
struct a2dp_sep *sep;
struct avdtp_stream *stream;
struct avdtp_error *err;
GSList *client_caps;
gboolean reconfigure;
gboolean canceled;
gboolean start;
GSList *cb;
int ref;
};
static DBusConnection *connection = NULL;
struct a2dp_server {
bdaddr_t src;
GSList *sinks;
GSList *sources;
uint32_t source_record_id;
uint32_t sink_record_id;
};
static GSList *servers = NULL;
static GSList *setups = NULL;
static unsigned int cb_id = 0;
static struct a2dp_setup *setup_ref(struct a2dp_setup *setup)
{
setup->ref++;
debug("setup_ref(%p): ref=%d", setup, setup->ref);
return setup;
}
static void setup_free(struct a2dp_setup *s)
{
debug("setup_free(%p)", s);
setups = g_slist_remove(setups, s);
if (s->session)
avdtp_unref(s->session);
g_slist_foreach(s->cb, (GFunc) g_free, NULL);
g_slist_free(s->cb);
g_free(s);
}
static void setup_unref(struct a2dp_setup *setup)
{
setup->ref--;
debug("setup_unref(%p): ref=%d", setup, setup->ref);
if (setup->ref <= 0)
setup_free(setup);
}
static struct audio_device *a2dp_get_dev(struct avdtp *session)
{
bdaddr_t addr;
avdtp_get_peers(session, NULL, &addr);
return manager_find_device(&addr, NULL, FALSE);
}
static gboolean finalize_config(struct a2dp_setup *s)
{
GSList *l;
setup_ref(s);
for (l = s->cb; l != NULL; l = l->next) {
struct a2dp_setup_cb *cb = l->data;
if (cb->config_cb) {
cb->config_cb(s->session, s->sep, s->stream, s->err,
cb->user_data);
cb->config_cb = NULL;
setup_unref(s);
}
}
setup_unref(s);
return FALSE;
}
static gboolean finalize_config_errno(struct a2dp_setup *s, int err)
{
struct avdtp_error avdtp_err;
avdtp_error_init(&avdtp_err, AVDTP_ERROR_ERRNO, -err);
s->err = err ? &avdtp_err : NULL;
return finalize_config(s);
}
static gboolean finalize_resume(struct a2dp_setup *s)
{
GSList *l;
setup_ref(s);
for (l = s->cb; l != NULL; l = l->next) {
struct a2dp_setup_cb *cb = l->data;
if (cb->resume_cb) {
cb->resume_cb(s->session, s->err, cb->user_data);
cb->resume_cb = NULL;
setup_unref(s);
}
}
setup_unref(s);
return FALSE;
}
static gboolean finalize_suspend(struct a2dp_setup *s)
{
GSList *l;
setup_ref(s);
for (l = s->cb; l != NULL; l = l->next) {
struct a2dp_setup_cb *cb = l->data;
if (cb->suspend_cb) {
cb->suspend_cb(s->session, s->err, cb->user_data);
cb->suspend_cb = NULL;
setup_unref(s);
}
}
setup_unref(s);
return FALSE;
}
static gboolean finalize_suspend_errno(struct a2dp_setup *s, int err)
{
struct avdtp_error avdtp_err;
avdtp_error_init(&avdtp_err, AVDTP_ERROR_ERRNO, -err);
s->err = err ? &avdtp_err : NULL;
return finalize_suspend(s);
}
static struct a2dp_setup *find_setup_by_session(struct avdtp *session)
{
GSList *l;
for (l = setups; l != NULL; l = l->next) {
struct a2dp_setup *setup = l->data;
if (setup->session == session)
return setup;
}
return NULL;
}
static struct a2dp_setup *find_setup_by_dev(struct audio_device *dev)
{
GSList *l;
for (l = setups; l != NULL; l = l->next) {
struct a2dp_setup *setup = l->data;
struct audio_device *setup_dev = a2dp_get_dev(setup->session);
if (setup_dev == dev)
return setup;
}
return NULL;
}
static void stream_state_changed(struct avdtp_stream *stream,
avdtp_state_t old_state,
avdtp_state_t new_state,
struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *sep = user_data;
if (new_state != AVDTP_STATE_IDLE)
return;
if (sep->suspend_timer) {
g_source_remove(sep->suspend_timer);
sep->suspend_timer = 0;
}
if (sep->session) {
avdtp_unref(sep->session);
sep->session = NULL;
}
sep->stream = NULL;
}
static gboolean sbc_setconf_ind(struct avdtp *session,
struct avdtp_local_sep *sep,
struct avdtp_stream *stream,
GSList *caps, uint8_t *err,
uint8_t *category, void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct audio_device *dev;
struct avdtp_service_capability *cap;
struct avdtp_media_codec_capability *codec_cap;
struct sbc_codec_cap *sbc_cap;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Set_Configuration_Ind", sep);
else
debug("Source %p: Set_Configuration_Ind", sep);
dev = a2dp_get_dev(session);
if (!dev) {
*err = AVDTP_UNSUPPORTED_CONFIGURATION;
*category = 0x00;
return FALSE;
}
/* Check bipool range */
for (codec_cap = NULL; caps; caps = g_slist_next(caps)) {
cap = caps->data;
if (cap->category == AVDTP_MEDIA_CODEC) {
codec_cap = (void *) cap->data;
if (codec_cap->media_codec_type == A2DP_CODEC_SBC) {
sbc_cap = (void *) codec_cap;
if (sbc_cap->min_bitpool < MIN_BITPOOL ||
sbc_cap->max_bitpool > MAX_BITPOOL) {
*err = AVDTP_UNSUPPORTED_CONFIGURATION;
*category = AVDTP_MEDIA_CODEC;
return FALSE;
}
}
break;
}
}
avdtp_stream_add_cb(session, stream, stream_state_changed, a2dp_sep);
a2dp_sep->stream = stream;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SOURCE)
sink_new_stream(dev, session, stream);
return TRUE;
}
static gboolean sbc_getcap_ind(struct avdtp *session, struct avdtp_local_sep *sep,
GSList **caps, uint8_t *err, void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct avdtp_service_capability *media_transport, *media_codec;
struct sbc_codec_cap sbc_cap;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Get_Capability_Ind", sep);
else
debug("Source %p: Get_Capability_Ind", sep);
*caps = NULL;
media_transport = avdtp_service_cap_new(AVDTP_MEDIA_TRANSPORT,
NULL, 0);
*caps = g_slist_append(*caps, media_transport);
memset(&sbc_cap, 0, sizeof(struct sbc_codec_cap));
sbc_cap.cap.media_type = AVDTP_MEDIA_TYPE_AUDIO;
sbc_cap.cap.media_codec_type = A2DP_CODEC_SBC;
sbc_cap.frequency = ( SBC_SAMPLING_FREQ_48000 |
SBC_SAMPLING_FREQ_44100 |
SBC_SAMPLING_FREQ_32000 |
SBC_SAMPLING_FREQ_16000 );
sbc_cap.channel_mode = ( SBC_CHANNEL_MODE_JOINT_STEREO |
SBC_CHANNEL_MODE_STEREO |
SBC_CHANNEL_MODE_DUAL_CHANNEL |
SBC_CHANNEL_MODE_MONO );
sbc_cap.block_length = ( SBC_BLOCK_LENGTH_16 |
SBC_BLOCK_LENGTH_12 |
SBC_BLOCK_LENGTH_8 |
SBC_BLOCK_LENGTH_4 );
sbc_cap.subbands = ( SBC_SUBBANDS_8 | SBC_SUBBANDS_4 );
sbc_cap.allocation_method = ( SBC_ALLOCATION_LOUDNESS |
SBC_ALLOCATION_SNR );
sbc_cap.min_bitpool = MIN_BITPOOL;
sbc_cap.max_bitpool = MAX_BITPOOL;
media_codec = avdtp_service_cap_new(AVDTP_MEDIA_CODEC, &sbc_cap,
sizeof(sbc_cap));
*caps = g_slist_append(*caps, media_codec);
return TRUE;
}
static gboolean mpeg_setconf_ind(struct avdtp *session,
struct avdtp_local_sep *sep,
struct avdtp_stream *stream,
GSList *caps, uint8_t *err,
uint8_t *category, void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct audio_device *dev;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Set_Configuration_Ind", sep);
else
debug("Source %p: Set_Configuration_Ind", sep);
dev = a2dp_get_dev(session);
if (!dev) {
*err = AVDTP_UNSUPPORTED_CONFIGURATION;
*category = 0x00;
return FALSE;
}
avdtp_stream_add_cb(session, stream, stream_state_changed, a2dp_sep);
a2dp_sep->stream = stream;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SOURCE)
sink_new_stream(dev, session, stream);
return TRUE;
}
static gboolean mpeg_getcap_ind(struct avdtp *session,
struct avdtp_local_sep *sep,
GSList **caps, uint8_t *err, void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct avdtp_service_capability *media_transport, *media_codec;
struct mpeg_codec_cap mpeg_cap;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Get_Capability_Ind", sep);
else
debug("Source %p: Get_Capability_Ind", sep);
*caps = NULL;
media_transport = avdtp_service_cap_new(AVDTP_MEDIA_TRANSPORT,
NULL, 0);
*caps = g_slist_append(*caps, media_transport);
memset(&mpeg_cap, 0, sizeof(struct mpeg_codec_cap));
mpeg_cap.cap.media_type = AVDTP_MEDIA_TYPE_AUDIO;
mpeg_cap.cap.media_codec_type = A2DP_CODEC_MPEG12;
mpeg_cap.frequency = ( MPEG_SAMPLING_FREQ_48000 |
MPEG_SAMPLING_FREQ_44100 |
MPEG_SAMPLING_FREQ_32000 |
MPEG_SAMPLING_FREQ_24000 |
MPEG_SAMPLING_FREQ_22050 |
MPEG_SAMPLING_FREQ_16000 );
mpeg_cap.channel_mode = ( MPEG_CHANNEL_MODE_JOINT_STEREO |
MPEG_CHANNEL_MODE_STEREO |
MPEG_CHANNEL_MODE_DUAL_CHANNEL |
MPEG_CHANNEL_MODE_MONO );
mpeg_cap.layer = ( MPEG_LAYER_MP3 | MPEG_LAYER_MP2 | MPEG_LAYER_MP1 );
mpeg_cap.bitrate = 0xFFFF;
media_codec = avdtp_service_cap_new(AVDTP_MEDIA_CODEC, &mpeg_cap,
sizeof(mpeg_cap));
*caps = g_slist_append(*caps, media_codec);
return TRUE;
}
static void setconf_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream,
struct avdtp_error *err, void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
struct audio_device *dev;
int ret;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Set_Configuration_Cfm", sep);
else
debug("Source %p: Set_Configuration_Cfm", sep);
setup = find_setup_by_session(session);
if (err) {
if (setup) {
setup->err = err;
finalize_config(setup);
}
return;
}
avdtp_stream_add_cb(session, stream, stream_state_changed, a2dp_sep);
a2dp_sep->stream = stream;
if (!setup)
return;
dev = a2dp_get_dev(session);
/* Notify sink.c of the new stream */
sink_new_stream(dev, session, setup->stream);
ret = avdtp_open(session, stream);
if (ret < 0) {
error("Error on avdtp_open %s (%d)", strerror(-ret),
-ret);
setup->stream = NULL;
finalize_config_errno(setup, ret);
}
}
static gboolean getconf_ind(struct avdtp *session, struct avdtp_local_sep *sep,
uint8_t *err, void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Get_Configuration_Ind");
else
debug("Source %p: Get_Configuration_Ind");
return TRUE;
}
static void getconf_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Set_Configuration_Cfm", sep);
else
debug("Source %p: Set_Configuration_Cfm", sep);
}
static gboolean open_ind(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, uint8_t *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Open_Ind", sep);
else
debug("Source %p: Open_Ind", sep);
return TRUE;
}
static void open_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Open_Cfm", sep);
else
debug("Source %p: Open_Cfm", sep);
setup = find_setup_by_session(session);
if (!setup)
return;
if (setup->canceled) {
if (!err)
avdtp_close(session, stream);
setup_unref(setup);
return;
}
if (setup->reconfigure)
setup->reconfigure = FALSE;
if (err) {
setup->stream = NULL;
setup->err = err;
}
finalize_config(setup);
}
static gboolean suspend_timeout(struct a2dp_sep *sep)
{
if (avdtp_suspend(sep->session, sep->stream) == 0)
sep->suspending = TRUE;
sep->suspend_timer = 0;
avdtp_unref(sep->session);
sep->session = NULL;
return FALSE;
}
static gboolean start_ind(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, uint8_t *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Start_Ind", sep);
else
debug("Source %p: Start_Ind", sep);
setup = find_setup_by_session(session);
if (setup) {
if (setup->canceled)
setup_unref(setup);
else
finalize_resume(setup);
}
if (!a2dp_sep->locked) {
a2dp_sep->session = avdtp_ref(session);
a2dp_sep->suspend_timer = g_timeout_add_seconds(SUSPEND_TIMEOUT,
(GSourceFunc) suspend_timeout,
a2dp_sep);
}
return TRUE;
}
static void start_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Start_Cfm", sep);
else
debug("Source %p: Start_Cfm", sep);
setup = find_setup_by_session(session);
if (!setup)
return;
if (setup->canceled) {
if (!err)
avdtp_close(session, stream);
setup_unref(setup);
return;
}
if (err) {
setup->stream = NULL;
setup->err = err;
}
finalize_resume(setup);
}
static gboolean suspend_ind(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, uint8_t *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Suspend_Ind", sep);
else
debug("Source %p: Suspend_Ind", sep);
if (a2dp_sep->suspend_timer) {
g_source_remove(a2dp_sep->suspend_timer);
a2dp_sep->suspend_timer = 0;
avdtp_unref(a2dp_sep->session);
a2dp_sep->session = NULL;
}
return TRUE;
}
static void suspend_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
gboolean start;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Suspend_Cfm", sep);
else
debug("Source %p: Suspend_Cfm", sep);
a2dp_sep->suspending = FALSE;
setup = find_setup_by_session(session);
if (!setup)
return;
start = setup->start;
setup->start = FALSE;
if (err) {
setup->stream = NULL;
setup->err = err;
finalize_suspend(setup);
}
else
finalize_suspend_errno(setup, 0);
if (!start)
return;
if (err) {
setup->err = err;
finalize_suspend(setup);
} else if (avdtp_start(session, a2dp_sep->stream) < 0) {
struct avdtp_error start_err;
error("avdtp_start failed");
avdtp_error_init(&start_err, AVDTP_ERROR_ERRNO, EIO);
setup->err = err;
finalize_suspend(setup);
}
}
static gboolean close_ind(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, uint8_t *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Close_Ind", sep);
else
debug("Source %p: Close_Ind", sep);
return TRUE;
}
static gboolean a2dp_reconfigure(gpointer data)
{
struct a2dp_setup *setup = data;
struct avdtp_local_sep *lsep;
struct avdtp_remote_sep *rsep;
struct avdtp_service_capability *cap;
struct avdtp_media_codec_capability *codec_cap = NULL;
GSList *l;
int posix_err;
for (l = setup->client_caps; l != NULL; l = l->next) {
cap = l->data;
if (cap->category != AVDTP_MEDIA_CODEC)
continue;
codec_cap = (void *) cap->data;
break;
}
posix_err = avdtp_get_seps(setup->session, AVDTP_SEP_TYPE_SINK,
codec_cap->media_type,
codec_cap->media_codec_type,
&lsep, &rsep);
if (posix_err < 0) {
error("No matching ACP and INT SEPs found");
finalize_config_errno(setup, posix_err);
}
posix_err = avdtp_set_configuration(setup->session, rsep, lsep,
setup->client_caps,
&setup->stream);
if (posix_err < 0) {
error("avdtp_set_configuration: %s",
strerror(-posix_err));
finalize_config_errno(setup, posix_err);
}
return FALSE;
}
static void close_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Close_Cfm", sep);
else
debug("Source %p: Close_Cfm", sep);
setup = find_setup_by_session(session);
if (!setup)
return;
if (setup->canceled) {
setup_unref(setup);
return;
}
if (err) {
setup->stream = NULL;
setup->err = err;
finalize_config(setup);
return;
}
if (setup->reconfigure)
g_timeout_add(RECONFIGURE_TIMEOUT, a2dp_reconfigure, setup);
}
static gboolean abort_ind(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, uint8_t *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Abort_Ind", sep);
else
debug("Source %p: Abort_Ind", sep);
a2dp_sep->stream = NULL;
return TRUE;
}
static void abort_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: Abort_Cfm", sep);
else
debug("Source %p: Abort_Cfm", sep);
setup = find_setup_by_session(session);
if (!setup)
return;
setup_unref(setup);
}
static gboolean reconf_ind(struct avdtp *session, struct avdtp_local_sep *sep,
uint8_t *err, void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: ReConfigure_Ind", sep);
else
debug("Source %p: ReConfigure_Ind", sep);
return TRUE;
}
static void reconf_cfm(struct avdtp *session, struct avdtp_local_sep *sep,
struct avdtp_stream *stream, struct avdtp_error *err,
void *user_data)
{
struct a2dp_sep *a2dp_sep = user_data;
struct a2dp_setup *setup;
if (a2dp_sep->type == AVDTP_SEP_TYPE_SINK)
debug("Sink %p: ReConfigure_Cfm", sep);
else
debug("Source %p: ReConfigure_Cfm", sep);
setup = find_setup_by_session(session);
if (!setup)
return;
if (setup->canceled) {
if (!err)
avdtp_close(session, stream);
setup_unref(setup);
return;
}
if (err) {
setup->stream = NULL;
setup->err = err;
}
finalize_config(setup);
}
static struct avdtp_sep_cfm cfm = {
.set_configuration = setconf_cfm,
.get_configuration = getconf_cfm,
.open = open_cfm,
.start = start_cfm,
.suspend = suspend_cfm,
.close = close_cfm,
.abort = abort_cfm,
.reconfigure = reconf_cfm
};
static struct avdtp_sep_ind sbc_ind = {
.get_capability = sbc_getcap_ind,
.set_configuration = sbc_setconf_ind,
.get_configuration = getconf_ind,
.open = open_ind,
.start = start_ind,
.suspend = suspend_ind,
.close = close_ind,
.abort = abort_ind,
.reconfigure = reconf_ind
};
static struct avdtp_sep_ind mpeg_ind = {
.get_capability = mpeg_getcap_ind,
.set_configuration = mpeg_setconf_ind,
.get_configuration = getconf_ind,
.open = open_ind,
.start = start_ind,
.suspend = suspend_ind,
.close = close_ind,
.abort = abort_ind,
.reconfigure = reconf_ind
};
static sdp_record_t *a2dp_source_record()
{
sdp_list_t *svclass_id, *pfseq, *apseq, *root;
uuid_t root_uuid, l2cap, avdtp, a2src;
sdp_profile_desc_t profile[1];
sdp_list_t *aproto, *proto[2];
sdp_record_t *record;
sdp_data_t *psm, *version, *features;
uint16_t lp = AVDTP_UUID, ver = 0x0100, feat = 0x000F;
record = sdp_record_alloc();
if (!record)
return NULL;
sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
root = sdp_list_append(0, &root_uuid);
sdp_set_browse_groups(record, root);
sdp_uuid16_create(&a2src, AUDIO_SOURCE_SVCLASS_ID);
svclass_id = sdp_list_append(0, &a2src);
sdp_set_service_classes(record, svclass_id);
sdp_uuid16_create(&profile[0].uuid, ADVANCED_AUDIO_PROFILE_ID);
profile[0].version = 0x0100;
pfseq = sdp_list_append(0, &profile[0]);
sdp_set_profile_descs(record, pfseq);
sdp_uuid16_create(&l2cap, L2CAP_UUID);
proto[0] = sdp_list_append(0, &l2cap);
psm = sdp_data_alloc(SDP_UINT16, &lp);
proto[0] = sdp_list_append(proto[0], psm);
apseq = sdp_list_append(0, proto[0]);
sdp_uuid16_create(&avdtp, AVDTP_UUID);
proto[1] = sdp_list_append(0, &avdtp);
version = sdp_data_alloc(SDP_UINT16, &ver);
proto[1] = sdp_list_append(proto[1], version);
apseq = sdp_list_append(apseq, proto[1]);
aproto = sdp_list_append(0, apseq);
sdp_set_access_protos(record, aproto);
features = sdp_data_alloc(SDP_UINT16, &feat);
sdp_attr_add(record, SDP_ATTR_SUPPORTED_FEATURES, features);
sdp_set_info_attr(record, "Audio Source", 0, 0);
free(psm);
free(version);
sdp_list_free(proto[0], 0);
sdp_list_free(proto[1], 0);
sdp_list_free(apseq, 0);
sdp_list_free(pfseq, 0);
sdp_list_free(aproto, 0);
sdp_list_free(root, 0);
sdp_list_free(svclass_id, 0);
return record;
}
static sdp_record_t *a2dp_sink_record()
{
return NULL;
}
static struct a2dp_sep *a2dp_add_sep(struct a2dp_server *server, uint8_t type,
uint8_t codec)
{
struct a2dp_sep *sep;
GSList **l;
sdp_record_t *(*create_record)(void);
uint32_t *record_id;
sdp_record_t *record;
struct avdtp_sep_ind *ind;
sep = g_new0(struct a2dp_sep, 1);
ind = (codec == A2DP_CODEC_MPEG12) ? &mpeg_ind : &sbc_ind;
sep->sep = avdtp_register_sep(&server->src, type,
AVDTP_MEDIA_TYPE_AUDIO, codec, ind,
&cfm, sep);
if (sep->sep == NULL) {
g_free(sep);