#include "gstavdtpsink.h"
G_BEGIN_DECLS
-
#define GST_TYPE_A2DP_SINK \
(gst_a2dp_sink_get_type())
#define GST_A2DP_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_A2DP_SINK))
#define GST_IS_A2DP_SINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_A2DP_SINK))
-
typedef struct _GstA2dpSink GstA2dpSink;
typedef struct _GstA2dpSinkClass GstA2dpSinkClass;
-struct _GstA2dpSink {
- GstBin bin;
+struct _GstA2dpSink
+{
+ GstBin bin;
- GstElement *rtp;
- GstAvdtpSink *sink;
- GstElement *capsfilter;
- GstElement *fakesink;
+ GstElement *rtp;
+ GstAvdtpSink *sink;
+ GstElement *capsfilter;
+ GstElement *fakesink;
- gchar *device;
- gchar *transport;
- gboolean autoconnect;
- gboolean sink_is_in_bin;
+ gchar *device;
+ gchar *transport;
+ gboolean autoconnect;
+ gboolean sink_is_in_bin;
- GstPad *ghostpad;
- GstPadQueryFunction ghostpad_queryfunc;
- GstPadEventFunction ghostpad_eventfunc;
+ GstPad *ghostpad;
+ GstPadQueryFunction ghostpad_queryfunc;
+ GstPadEventFunction ghostpad_eventfunc;
- GstEvent *segment_event;
- /* Store the tags received before the a2dpsender sink is created
- * when it is created we forward this to it */
- GstTagList *taglist;
+ GstEvent *segment_event;
+ /* Store the tags received before the a2dpsender sink is created
+ * when it is created we forward this to it */
+ GstTagList *taglist;
- GMutex cb_mutex;
+ GMutex cb_mutex;
};
-struct _GstA2dpSinkClass {
- GstBinClass parent_class;
+struct _GstA2dpSinkClass
+{
+ GstBinClass parent_class;
};
-GType gst_a2dp_sink_get_type(void);
+GType gst_a2dp_sink_get_type (void);
gboolean gst_a2dp_sink_plugin_init (GstPlugin * plugin);
-GstCaps *gst_a2dp_sink_get_device_caps(GstA2dpSink *self);
+GstCaps *gst_a2dp_sink_get_device_caps (GstA2dpSink * self);
G_END_DECLS
-
#endif
GST_DEBUG_CATEGORY_STATIC (avdtp_sink_debug);
#define GST_CAT_DEFAULT avdtp_sink_debug
-#define BUFFER_SIZE 2048
-#define TEMPLATE_MAX_BITPOOL 64
#define CRC_PROTECTED 1
#define CRC_UNPROTECTED 0
g_mutex_unlock(&s->sink_lock); \
} G_STMT_END
-struct bluetooth_data
-{
- guint link_mtu;
-
- DBusConnection *conn;
- guint8 codec; /* Bluetooth transport configuration */
- gchar *uuid;
- guint8 *config;
- gint config_size;
-
- gchar buffer[BUFFER_SIZE]; /* Codec transfer buffer */
-};
-
#define IS_SBC(n) (strcmp((n), "audio/x-sbc") == 0)
#define IS_MPEG_AUDIO(n) (strcmp((n), "audio/mpeg") == 0)
GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
"clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\""));
-static void
-gst_avdtp_sink_transport_release (GstAvdtpSink * self)
-{
- DBusMessage *msg;
- const char *access_type = "w";
-
- msg = dbus_message_new_method_call ("org.bluez", self->transport,
- "org.bluez.MediaTransport", "Release");
-
- dbus_message_append_args (msg, DBUS_TYPE_STRING, &access_type,
- DBUS_TYPE_INVALID);
-
- dbus_connection_send (self->data->conn, msg, NULL);
-
- dbus_message_unref (msg);
-}
-
static gboolean
gst_avdtp_sink_stop (GstBaseSink * basesink)
{
self->watch_id = 0;
}
- if (self->stream) {
- g_io_channel_shutdown (self->stream, TRUE, NULL);
- g_io_channel_unref (self->stream);
- self->stream = NULL;
- }
-
- if (self->data) {
- if (self->transport)
- gst_avdtp_sink_transport_release (self);
- if (self->data->conn)
- dbus_connection_unref (self->data->conn);
- g_free (self->data);
- self->data = NULL;
- }
+ gst_avdtp_connection_release (&self->conn);
if (self->stream_caps) {
gst_caps_unref (self->stream_caps);
{
GstAvdtpSink *self = GST_AVDTP_SINK (object);
- if (self->data)
- gst_avdtp_sink_stop (GST_BASE_SINK (self));
-
- if (self->device)
- g_free (self->device);
+ gst_avdtp_sink_stop (GST_BASE_SINK (self));
- if (self->transport)
- g_free (self->transport);
+ gst_avdtp_connection_reset (&self->conn);
g_mutex_clear (&self->sink_lock);
case PROP_DEVICE:
if (sink->device)
g_free (sink->device);
- sink->device = g_value_dup_string (value);
+ gst_avdtp_connection_set_device (&sink->conn, g_value_get_string (value));
break;
case PROP_AUTOCONNECT:
case PROP_TRANSPORT:
if (sink->transport)
g_free (sink->transport);
- sink->transport = g_value_dup_string (value);
+ gst_avdtp_connection_set_transport (&sink->conn,
+ g_value_get_string (value));
break;
default:
switch (prop_id) {
case PROP_DEVICE:
- g_value_set_string (value, sink->device);
+ g_value_set_string (value, sink->conn.device);
break;
case PROP_AUTOCONNECT:
break;
case PROP_TRANSPORT:
- g_value_set_string (value, sink->transport);
+ g_value_set_string (value, sink->conn.transport);
break;
default:
}
}
-static GstStructure *
-gst_avdtp_sink_parse_sbc_raw (GstAvdtpSink * self)
-{
- a2dp_sbc_t *sbc = (a2dp_sbc_t *) self->data->config;
- GstStructure *structure;
- GValue value = G_VALUE_INIT;
- GValue list = G_VALUE_INIT;
- gboolean mono, stereo;
-
- structure = gst_structure_new_empty ("audio/x-sbc");
-
- /* mode */
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_STRING);
- if (sbc->channel_mode & SBC_CHANNEL_MODE_MONO) {
- g_value_set_static_string (&value, "mono");
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->channel_mode & SBC_CHANNEL_MODE_STEREO) {
- g_value_set_static_string (&value, "stereo");
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->channel_mode & SBC_CHANNEL_MODE_DUAL_CHANNEL) {
- g_value_set_static_string (&value, "dual");
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->channel_mode & SBC_CHANNEL_MODE_JOINT_STEREO) {
- g_value_set_static_string (&value, "joint");
- gst_value_list_prepend_value (&list, &value);
- }
- g_value_unset (&value);
- gst_structure_take_value (structure, "channel-mode", &list);
-
- /* subbands */
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_INT);
- if (sbc->subbands & SBC_SUBBANDS_4) {
- g_value_set_int (&value, 4);
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->subbands & SBC_SUBBANDS_8) {
- g_value_set_int (&value, 8);
- gst_value_list_prepend_value (&list, &value);
- }
- g_value_unset (&value);
- gst_structure_take_value (structure, "subbands", &list);
-
- /* blocks */
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_INT);
- if (sbc->block_length & SBC_BLOCK_LENGTH_16) {
- g_value_set_int (&value, 16);
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->block_length & SBC_BLOCK_LENGTH_12) {
- g_value_set_int (&value, 12);
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->block_length & SBC_BLOCK_LENGTH_8) {
- g_value_set_int (&value, 8);
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->block_length & SBC_BLOCK_LENGTH_4) {
- g_value_set_int (&value, 4);
- gst_value_list_prepend_value (&list, &value);
- }
- g_value_unset (&value);
- gst_structure_take_value (structure, "blocks", &list);
-
- /* allocation */
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_STRING);
- if (sbc->allocation_method & SBC_ALLOCATION_LOUDNESS) {
- g_value_set_static_string (&value, "loudness");
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->allocation_method & SBC_ALLOCATION_SNR) {
- g_value_set_static_string (&value, "snr");
- gst_value_list_prepend_value (&list, &value);
- }
- g_value_unset (&value);
- gst_structure_take_value (structure, "allocation-method", &list);
-
- /* rate */
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_INT);
- if (sbc->frequency & SBC_SAMPLING_FREQ_48000) {
- g_value_set_int (&value, 48000);
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->frequency & SBC_SAMPLING_FREQ_44100) {
- g_value_set_int (&value, 44100);
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->frequency & SBC_SAMPLING_FREQ_32000) {
- g_value_set_int (&value, 32000);
- gst_value_list_prepend_value (&list, &value);
- }
- if (sbc->frequency & SBC_SAMPLING_FREQ_16000) {
- g_value_set_int (&value, 16000);
- gst_value_list_prepend_value (&list, &value);
- }
- g_value_unset (&value);
- gst_structure_take_value (structure, "rate", &list);
-
- /* bitpool */
- g_value_init (&value, GST_TYPE_INT_RANGE);
- gst_value_set_int_range (&value,
- MIN (sbc->min_bitpool, TEMPLATE_MAX_BITPOOL),
- MIN (sbc->max_bitpool, TEMPLATE_MAX_BITPOOL));
- gst_structure_take_value (structure, "bitpool", &value);
-
- /* channels */
- mono = FALSE;
- stereo = FALSE;
- if (sbc->channel_mode & SBC_CHANNEL_MODE_MONO)
- mono = TRUE;
- if ((sbc->channel_mode & SBC_CHANNEL_MODE_STEREO) ||
- (sbc->channel_mode &
- SBC_CHANNEL_MODE_DUAL_CHANNEL) ||
- (sbc->channel_mode & SBC_CHANNEL_MODE_JOINT_STEREO))
- stereo = TRUE;
-
- if (mono && stereo) {
- g_value_init (&value, GST_TYPE_INT_RANGE);
- gst_value_set_int_range (&value, 1, 2);
- } else {
- g_value_init (&value, G_TYPE_INT);
- if (mono)
- g_value_set_int (&value, 1);
- else if (stereo)
- g_value_set_int (&value, 2);
- else {
- GST_ERROR_OBJECT (self, "Unexpected number of channels");
- g_value_set_int (&value, 0);
- }
- }
- gst_structure_take_value (structure, "channels", &value);
-
- return structure;
-}
-
-static GstStructure *
-gst_avdtp_sink_parse_mpeg_raw (GstAvdtpSink * self)
-{
- a2dp_mpeg_t *mpeg = (a2dp_mpeg_t *) self->data->config;
- GstStructure *structure;
- GValue value = G_VALUE_INIT;
- GValue list = G_VALUE_INIT;
- gboolean mono, stereo;
-
- GST_LOG_OBJECT (self, "parsing mpeg caps");
-
- if ((mpeg->layer & (MPEG_LAYER_MP1 | MPEG_LAYER_MP2 | MPEG_LAYER_MP3)) == 0) {
- GST_WARNING_OBJECT (self, "no valid mpeg layer");
- return NULL;
- }
-
- structure = gst_structure_new_empty ("audio/mpeg");
-
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_INT);
- g_value_set_int (&value, 1);
- gst_value_list_prepend_value (&list, &value);
- g_value_set_int (&value, 2);
- gst_value_list_prepend_value (&list, &value);
- g_value_unset (&value);
- gst_structure_take_value (structure, "mpegversion", &list);
-
- /* layer */
- GST_LOG_OBJECT (self, "setting mpeg layer");
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_INT);
- if (mpeg->layer & MPEG_LAYER_MP1) {
- g_value_set_int (&value, 1);
- gst_value_list_prepend_value (&list, &value);
- }
- if (mpeg->layer & MPEG_LAYER_MP2) {
- g_value_set_int (&value, 2);
- gst_value_list_prepend_value (&list, &value);
- }
- if (mpeg->layer & MPEG_LAYER_MP3) {
- g_value_set_int (&value, 3);
- gst_value_list_prepend_value (&list, &value);
- }
- g_value_unset (&value);
- gst_structure_take_value (structure, "layer", &list);
-
- /* rate */
- GST_LOG_OBJECT (self, "setting mpeg rate");
- g_value_init (&list, GST_TYPE_LIST);
- g_value_init (&value, G_TYPE_INT);
- if (mpeg->frequency & MPEG_SAMPLING_FREQ_48000) {
- g_value_set_int (&value, 48000);
- gst_value_list_prepend_value (&list, &value);
- }
- if (mpeg->frequency & MPEG_SAMPLING_FREQ_44100) {
- g_value_set_int (&value, 44100);
- gst_value_list_prepend_value (&list, &value);
- }
- if (mpeg->frequency & MPEG_SAMPLING_FREQ_32000) {
- g_value_set_int (&value, 32000);
- gst_value_list_prepend_value (&list, &value);
- }
- if (mpeg->frequency & MPEG_SAMPLING_FREQ_24000) {
- g_value_set_int (&value, 24000);
- gst_value_list_prepend_value (&list, &value);
- }
- if (mpeg->frequency & MPEG_SAMPLING_FREQ_22050) {
- g_value_set_int (&value, 22050);
- gst_value_list_prepend_value (&list, &value);
- }
- if (mpeg->frequency & MPEG_SAMPLING_FREQ_16000) {
- g_value_set_int (&value, 16000);
- gst_value_list_prepend_value (&list, &value);
- }
- g_value_unset (&value);
- gst_structure_take_value (structure, "rate", &list);
-
- /* channels */
- GST_LOG_OBJECT (self, "setting mpeg channels");
- mono = FALSE;
- stereo = FALSE;
- if (mpeg->channel_mode & MPEG_CHANNEL_MODE_MONO)
- mono = TRUE;
- if ((mpeg->channel_mode & MPEG_CHANNEL_MODE_STEREO) ||
- (mpeg->channel_mode &
- MPEG_CHANNEL_MODE_DUAL_CHANNEL) ||
- (mpeg->channel_mode & MPEG_CHANNEL_MODE_JOINT_STEREO))
- stereo = TRUE;
-
- if (mono && stereo) {
- g_value_init (&value, GST_TYPE_INT_RANGE);
- gst_value_set_int_range (&value, 1, 2);
- } else {
- g_value_init (&value, G_TYPE_INT);
- if (mono)
- g_value_set_int (&value, 1);
- else if (stereo)
- g_value_set_int (&value, 2);
- else {
- GST_ERROR_OBJECT (self, "Unexpected number of channels");
- g_value_set_int (&value, 0);
- }
- }
- gst_structure_take_value (structure, "channels", &value);
-
- return structure;
-}
-
-static gboolean
-gst_avdtp_sink_update_config (GstAvdtpSink * self)
-{
- GstStructure *structure;
- gchar *tmp;
-
- switch (self->data->codec) {
- case A2DP_CODEC_SBC:
- structure = gst_avdtp_sink_parse_sbc_raw (self);
- break;
- case A2DP_CODEC_MPEG12:
- structure = gst_avdtp_sink_parse_mpeg_raw (self);
- break;
- default:
- GST_ERROR_OBJECT (self, "Unsupported configuration");
- return FALSE;
- }
-
- if (structure == NULL)
- return FALSE;
-
- if (self->dev_caps != NULL)
- gst_caps_unref (self->dev_caps);
-
- self->dev_caps = gst_caps_new_full (structure, NULL);
-
- tmp = gst_caps_to_string (self->dev_caps);
- GST_DEBUG_OBJECT (self, "Transport configuration: %s", tmp);
- g_free (tmp);
-
- return TRUE;
-}
-
-static gboolean
-gst_avdtp_sink_update_caps (GstAvdtpSink * self)
-{
- GST_LOG_OBJECT (self, "updating device caps");
-
- if (self->data->config_size == 0 || self->data->config == NULL)
- return FALSE;
-
- return gst_avdtp_sink_update_config (self);
-}
-
static gint
gst_avdtp_sink_get_channel_mode (const gchar * mode)
{
}
static gboolean
-gst_avdtp_sink_transport_parse_property (GstAvdtpSink * self,
- DBusMessageIter * i)
-{
- const char *key;
- DBusMessageIter variant_i;
-
- if (dbus_message_iter_get_arg_type (i) != DBUS_TYPE_STRING) {
- GST_ERROR_OBJECT (self, "Property name not a string.");
- return FALSE;
- }
-
- dbus_message_iter_get_basic (i, &key);
-
- if (!dbus_message_iter_next (i)) {
- GST_ERROR_OBJECT (self, "Property value missing");
- return FALSE;
- }
-
- if (dbus_message_iter_get_arg_type (i) != DBUS_TYPE_VARIANT) {
- GST_ERROR_OBJECT (self, "Property value not a variant.");
- return FALSE;
- }
-
- dbus_message_iter_recurse (i, &variant_i);
-
- switch (dbus_message_iter_get_arg_type (&variant_i)) {
- case DBUS_TYPE_BYTE:{
- uint8_t value;
- dbus_message_iter_get_basic (&variant_i, &value);
-
- if (g_str_equal (key, "Codec") == TRUE)
- self->data->codec = value;
-
- break;
- }
- case DBUS_TYPE_STRING:{
- const char *value;
- dbus_message_iter_get_basic (&variant_i, &value);
-
- if (g_str_equal (key, "UUID") == TRUE) {
- g_free (self->data->uuid);
- self->data->uuid = g_strdup (value);
- }
-
- break;
- }
- case DBUS_TYPE_ARRAY:{
- DBusMessageIter array_i;
- char *value;
- int size;
-
- dbus_message_iter_recurse (&variant_i, &array_i);
- dbus_message_iter_get_fixed_array (&array_i, &value, &size);
-
- if (g_str_equal (key, "Configuration")) {
- g_free (self->data->config);
- self->data->config = g_new0 (guint8, size);
- self->data->config_size = size;
- memcpy (self->data->config, value, size);
- }
-
- break;
- }
- }
-
- return TRUE;
-}
-
-static gboolean
-gst_avdtp_sink_transport_acquire (GstAvdtpSink * self)
-{
- DBusMessage *msg, *reply;
- DBusError err;
- const char *access_type = "w";
- int fd;
- uint16_t imtu, omtu;
-
- dbus_error_init (&err);
-
- if (self->data->conn == NULL)
- self->data->conn = dbus_bus_get (DBUS_BUS_SYSTEM, &err);
-
- msg = dbus_message_new_method_call ("org.bluez", self->transport,
- "org.bluez.MediaTransport", "Acquire");
-
- dbus_message_append_args (msg, DBUS_TYPE_STRING, &access_type,
- DBUS_TYPE_INVALID);
-
- reply = dbus_connection_send_with_reply_and_block (self->data->conn,
- msg, -1, &err);
-
- dbus_message_unref (msg);
-
- if (dbus_error_is_set (&err))
- goto fail;
-
- if (dbus_message_get_args (reply, &err, DBUS_TYPE_UNIX_FD, &fd,
- DBUS_TYPE_UINT16, &imtu,
- DBUS_TYPE_UINT16, &omtu, DBUS_TYPE_INVALID) == FALSE)
- goto fail;
-
- dbus_message_unref (reply);
-
- self->stream = g_io_channel_unix_new (fd);
- g_io_channel_set_encoding (self->stream, NULL, NULL);
- g_io_channel_set_close_on_unref (self->stream, TRUE);
- self->data->link_mtu = omtu;
- GST_DEBUG_OBJECT (self, "stream_fd=%d mtu=%d", fd, omtu);
-
- return TRUE;
-
-fail:
- GST_ERROR_OBJECT (self, "Failed to acquire transport stream: %s",
- err.message);
-
- dbus_error_free (&err);
-
- if (reply)
- dbus_message_unref (reply);
-
- return FALSE;
-}
-
-static gboolean
-gst_avdtp_sink_transport_get_properties (GstAvdtpSink * self)
-{
- DBusMessage *msg, *reply;
- DBusMessageIter arg_i, ele_i;
- DBusError err;
-
- dbus_error_init (&err);
-
- /* Transport need to be acquire first to make sure the MTUs are
- available */
- if (gst_avdtp_sink_transport_acquire (self) == FALSE)
- return FALSE;
-
- msg = dbus_message_new_method_call ("org.bluez", self->transport,
- "org.bluez.MediaTransport", "GetProperties");
- if (!msg) {
- GST_ERROR_OBJECT (self, "D-Bus Memory allocation failed");
- return FALSE;
- }
-
- reply = dbus_connection_send_with_reply_and_block (self->data->conn,
- msg, -1, &err);
- dbus_message_unref (msg);
-
- if (dbus_error_is_set (&err)) {
- GST_ERROR_OBJECT (self, "GetProperties failed: %s", err.message);
- dbus_error_free (&err);
- return FALSE;
- }
-
- if (!dbus_message_iter_init (reply, &arg_i)) {
- GST_ERROR_OBJECT (self, "GetProperties reply has no arguments.");
- goto fail;
- }
-
- if (dbus_message_iter_get_arg_type (&arg_i) != DBUS_TYPE_ARRAY) {
- GST_ERROR_OBJECT (self, "GetProperties argument is not an array.");
- goto fail;
- }
-
- dbus_message_iter_recurse (&arg_i, &ele_i);
- while (dbus_message_iter_get_arg_type (&ele_i) != DBUS_TYPE_INVALID) {
-
- if (dbus_message_iter_get_arg_type (&ele_i) == DBUS_TYPE_DICT_ENTRY) {
- DBusMessageIter dict_i;
-
- dbus_message_iter_recurse (&ele_i, &dict_i);
-
- gst_avdtp_sink_transport_parse_property (self, &dict_i);
- }
-
- if (!dbus_message_iter_next (&ele_i))
- break;
- }
-
- return gst_avdtp_sink_update_caps (self);
-
-fail:
- dbus_message_unref (reply);
- return FALSE;
-
-}
-
-static gboolean
gst_avdtp_sink_start (GstBaseSink * basesink)
{
GstAvdtpSink *self = GST_AVDTP_SINK (basesink);
GST_INFO_OBJECT (self, "start");
- self->data = g_new0 (struct bluetooth_data, 1);
-
- self->stream = NULL;
self->stream_caps = NULL;
self->mp3_using_crc = -1;
self->channel_mode = -1;
- if (self->transport == NULL)
+ if (self->conn.transport == NULL)
return FALSE;
- return gst_avdtp_sink_transport_get_properties (self);
-}
-
-static gboolean
-gst_avdtp_sink_conf_recv_stream_fd (GstAvdtpSink * self)
-{
- struct bluetooth_data *data = self->data;
- GError *gerr = NULL;
- GIOStatus status;
- GIOFlags flags;
- int fd;
-
- /* Proceed if stream was already acquired */
- if (self->stream == NULL) {
- GST_ERROR_OBJECT (self, "Error while configuring device: "
- "could not acquire audio socket");
+ if (!gst_avdtp_connection_acquire (&self->conn)) {
+ GST_ERROR_OBJECT (self, "Failed to acquire connection");
return FALSE;
}
- /* set stream socket to nonblock */
- GST_LOG_OBJECT (self, "setting stream socket to nonblock");
- flags = g_io_channel_get_flags (self->stream);
- flags |= G_IO_FLAG_NONBLOCK;
- status = g_io_channel_set_flags (self->stream, flags, &gerr);
- if (status != G_IO_STATUS_NORMAL) {
- if (gerr)
- GST_WARNING_OBJECT (self, "Error while "
- "setting server socket to nonblock: " "%s", gerr->message);
- else
- GST_WARNING_OBJECT (self, "Error while "
- "setting server " "socket to nonblock");
+ if (!gst_avdtp_connection_get_properties (&self->conn)) {
+ GST_ERROR_OBJECT (self, "Failed to get transport properties");
+ return FALSE;
}
- fd = g_io_channel_unix_get_fd (self->stream);
+ if (self->dev_caps)
+ gst_caps_unref (self->dev_caps);
- /* It is possible there is some outstanding
- data in the pipe - we have to empty it */
- GST_LOG_OBJECT (self, "emptying stream pipe");
- while (1) {
- ssize_t bread = read (fd, data->buffer, data->link_mtu);
- if (bread <= 0)
- break;
- }
+ self->dev_caps = gst_avdtp_connection_get_caps (&self->conn);
- /* set stream socket to block */
- GST_LOG_OBJECT (self, "setting stream socket to block");
- flags = g_io_channel_get_flags (self->stream);
- flags &= ~G_IO_FLAG_NONBLOCK;
- status = g_io_channel_set_flags (self->stream, flags, &gerr);
- if (status != G_IO_STATUS_NORMAL) {
- if (gerr)
- GST_WARNING_OBJECT (self, "Error while "
- "setting server socket to block:" "%s", gerr->message);
- else
- GST_WARNING_OBJECT (self, "Error while "
- "setting server " "socket to block");
+ if (!self->dev_caps) {
+ GST_ERROR_OBJECT (self, "Failed to get device caps");
+ return FALSE;
}
- memset (data->buffer, 0, sizeof (data->buffer));
+ GST_DEBUG_OBJECT (self, "Got connection caps: " GST_PTR_FORMAT,
+ self->dev_caps);
return TRUE;
}
GST_AVDTP_SINK_MUTEX_LOCK (sink);
- ret = gst_avdtp_sink_conf_recv_stream_fd (sink);
+ ret = gst_avdtp_connection_conf_recv_stream_fd (&sink->conn);
GST_AVDTP_SINK_MUTEX_UNLOCK (sink);
g_assert (!(g_io_channel_get_flags (self->stream) & G_IO_FLAG_NONBLOCK));
/* FIXME: why not use g_io_channel_write_chars() instead? */
- fd = g_io_channel_unix_get_fd (self->stream);
+ fd = g_io_channel_unix_get_fd (self->conn.stream);
ret = write (fd, map.data, map.size);
if (ret < 0) {
/* FIXME: since this is probably fatal, shouldn't we post an error here? */
{
GstAvdtpSink *self = GST_AVDTP_SINK (basesink);
- if (self->stream != NULL)
- g_io_channel_flush (self->stream, NULL);
+ if (self->conn.stream != NULL)
+ g_io_channel_flush (self->conn.stream, NULL);
return TRUE;
}
static void
gst_avdtp_sink_init (GstAvdtpSink * self)
{
- self->device = NULL;
- self->transport = NULL;
- self->data = NULL;
+ self->conn.device = NULL;
+ self->conn.transport = NULL;
- self->stream = NULL;
+ self->conn.stream = NULL;
self->dev_caps = NULL;
guint
gst_avdtp_sink_get_link_mtu (GstAvdtpSink * sink)
{
- return sink->data->link_mtu;
+ return sink->conn.data.link_mtu;
}
void
gst_avdtp_sink_set_device (GstAvdtpSink * self, const gchar * dev)
{
- if (self->device != NULL)
- g_free (self->device);
+ if (self->conn.device != NULL)
+ g_free (self->conn.device);
GST_LOG_OBJECT (self, "Setting device: %s", dev);
- self->device = g_strdup (dev);
+ self->conn.device = g_strdup (dev);
}
void
gst_avdtp_sink_set_transport (GstAvdtpSink * self, const gchar * trans)
{
- if (self->transport != NULL)
- g_free (self->transport);
+ if (self->conn.transport != NULL)
+ g_free (self->conn.transport);
GST_LOG_OBJECT (self, "Setting transport: %s", trans);
- self->transport = g_strdup (trans);
+ self->conn.transport = g_strdup (trans);
}
gchar *
gst_avdtp_sink_get_device (GstAvdtpSink * self)
{
- return g_strdup (self->device);
+ return g_strdup (self->conn.device);
}
gchar *
gst_avdtp_sink_get_transport (GstAvdtpSink * self)
{
- return g_strdup (self->transport);
+ return g_strdup (self->conn.transport);
}
void
#include <gst/gst.h>
#include <gst/base/gstbasesink.h>
+#include "gstavdtputil.h"
G_BEGIN_DECLS
-
#define GST_TYPE_AVDTP_SINK \
(gst_avdtp_sink_get_type())
#define GST_AVDTP_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVDTP_SINK))
#define GST_IS_AVDTP_SINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVDTP_SINK))
-
typedef struct _GstAvdtpSink GstAvdtpSink;
typedef struct _GstAvdtpSinkClass GstAvdtpSinkClass;
-struct bluetooth_data;
+struct _GstAvdtpSink
+{
+ GstBaseSink sink;
-struct _GstAvdtpSink {
- GstBaseSink sink;
+ GstAvdtpConnection conn;
- gchar *device;
- gchar *transport;
- GIOChannel *stream;
+ gboolean autoconnect;
- struct bluetooth_data *data;
- gboolean autoconnect;
+ /* mp3 stream data (outside caps data) */
+ gint mp3_using_crc;
+ gint channel_mode;
- /* mp3 stream data (outside caps data)*/
- gint mp3_using_crc;
- gint channel_mode;
+ /* stream connection data */
+ GstCaps *stream_caps;
- /* stream connection data */
- GstCaps *stream_caps;
+ GstCaps *dev_caps;
- GstCaps *dev_caps;
+ GMutex sink_lock;
- GMutex sink_lock;
-
- guint watch_id;
+ guint watch_id;
};
-struct _GstAvdtpSinkClass {
- GstBaseSinkClass parent_class;
+struct _GstAvdtpSinkClass
+{
+ GstBaseSinkClass parent_class;
};
-GType gst_avdtp_sink_get_type(void);
+GType gst_avdtp_sink_get_type (void);
-GstCaps *gst_avdtp_sink_get_device_caps(GstAvdtpSink *sink);
-gboolean gst_avdtp_sink_set_device_caps(GstAvdtpSink *sink,
- GstCaps *caps);
+GstCaps *gst_avdtp_sink_get_device_caps (GstAvdtpSink * sink);
+gboolean gst_avdtp_sink_set_device_caps (GstAvdtpSink * sink, GstCaps * caps);
-guint gst_avdtp_sink_get_link_mtu(GstAvdtpSink *sink);
+guint gst_avdtp_sink_get_link_mtu (GstAvdtpSink * sink);
-void gst_avdtp_sink_set_device(GstAvdtpSink *sink,
- const gchar *device);
+void gst_avdtp_sink_set_device (GstAvdtpSink * sink, const gchar * device);
-void gst_avdtp_sink_set_transport(GstAvdtpSink *sink,
- const gchar *transport);
+void gst_avdtp_sink_set_transport (GstAvdtpSink * sink,
+ const gchar * transport);
-gchar *gst_avdtp_sink_get_device(GstAvdtpSink *sink);
+gchar *gst_avdtp_sink_get_device (GstAvdtpSink * sink);
-gchar *gst_avdtp_sink_get_transport(GstAvdtpSink *sink);
+gchar *gst_avdtp_sink_get_transport (GstAvdtpSink * sink);
-gboolean gst_avdtp_sink_plugin_init(GstPlugin *plugin);
+gboolean gst_avdtp_sink_plugin_init (GstPlugin * plugin);
-void gst_avdtp_sink_set_crc(GstAvdtpSink *self, gboolean crc);
+void gst_avdtp_sink_set_crc (GstAvdtpSink * self, gboolean crc);
-void gst_avdtp_sink_set_channel_mode(GstAvdtpSink *self,
- const gchar *mode);
+void gst_avdtp_sink_set_channel_mode (GstAvdtpSink * self, const gchar * mode);
G_END_DECLS
-
#endif /* __GST_AVDTP_SINK_H */
--- /dev/null
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2012 Collabora Ltd.
+ *
+ *
+ * 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 <string.h>
+#include <poll.h>
+
+#include <gst/rtp/gstrtppayloads.h>
+#include "gstavdtpsrc.h"
+
+GST_DEBUG_CATEGORY_STATIC (avdtpsrc_debug);
+#define GST_CAT_DEFAULT (avdtpsrc_debug)
+
+enum
+{
+ PROP_0,
+ PROP_TRANSPORT
+};
+
+GST_BOILERPLATE (GstAvdtpSrc, gst_avdtp_src, GstBaseSrc, GST_TYPE_BASE_SRC);
+
+static GstStaticPadTemplate gst_avdtp_src_template =
+ GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "media = (string) \"audio\","
+ "payload = (int) "
+ GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
+ "clock-rate = (int) { 16000, 32000, "
+ "44100, 48000 }, " "encoding-name = (string) \"SBC\"; "));
+
+static void gst_avdtp_src_finalize (GObject * object);
+static void gst_avdtp_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_avdtp_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+
+static GstCaps *gst_avdtp_src_getcaps (GstPad * pad);
+static gboolean gst_avdtp_src_start (GstBaseSrc * bsrc);
+static gboolean gst_avdtp_src_stop (GstBaseSrc * bsrc);
+static GstFlowReturn gst_avdtp_src_create (GstBaseSrc * bsrc, guint64 offset,
+ guint length, GstBuffer ** outbuf);
+static gboolean gst_avdtp_src_unlock (GstBaseSrc * bsrc);
+static gboolean gst_avdtp_src_unlock_stop (GstBaseSrc * bsrc);
+
+static void
+gst_avdtp_src_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_avdtp_src_template));
+
+ gst_element_class_set_details_simple (element_class,
+ "Bluetooth AVDTP Source",
+ "Codec/Depayloader/Network/RTP",
+ "Receives audio from an A2DP device",
+ "Arun Raghavan <arun.raghavan@collabora.co.uk>");
+}
+
+static void
+gst_avdtp_src_class_init (GstAvdtpSrcClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstBaseSrcClass *basesrc_class = GST_BASE_SRC_CLASS (klass);
+
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_avdtp_src_finalize);
+ gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_avdtp_src_set_property);
+ gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_avdtp_src_get_property);
+
+ basesrc_class->start = GST_DEBUG_FUNCPTR (gst_avdtp_src_start);
+ basesrc_class->stop = GST_DEBUG_FUNCPTR (gst_avdtp_src_stop);
+ basesrc_class->create = GST_DEBUG_FUNCPTR (gst_avdtp_src_create);
+ basesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_avdtp_src_unlock);
+ basesrc_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_avdtp_src_unlock_stop);
+
+ g_object_class_install_property (gobject_class, PROP_TRANSPORT,
+ g_param_spec_string ("transport",
+ "Transport", "Use configured transport", NULL, G_PARAM_READWRITE));
+
+ GST_DEBUG_CATEGORY_INIT (avdtpsrc_debug, "avdtpsrc", 0,
+ "Bluetooth AVDTP Source");
+}
+
+static void
+gst_avdtp_src_init (GstAvdtpSrc * avdtpsrc, GstAvdtpSrcClass * klass)
+{
+ avdtpsrc->poll = gst_poll_new (TRUE);
+
+ gst_base_src_set_format (GST_BASE_SRC (avdtpsrc), GST_FORMAT_DEFAULT);
+ gst_base_src_set_live (GST_BASE_SRC (avdtpsrc), TRUE);
+ gst_base_src_set_do_timestamp (GST_BASE_SRC (avdtpsrc), TRUE);
+
+ gst_pad_set_getcaps_function (GST_BASE_SRC_PAD (avdtpsrc),
+ GST_DEBUG_FUNCPTR (gst_avdtp_src_getcaps));
+}
+
+static void
+gst_avdtp_src_finalize (GObject * object)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (object);
+
+ gst_poll_free (avdtpsrc->poll);
+
+ gst_avdtp_connection_reset (&avdtpsrc->conn);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_avdtp_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (object);
+
+ switch (prop_id) {
+ case PROP_TRANSPORT:
+ g_value_set_string (value, avdtpsrc->conn.transport);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_avdtp_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (object);
+
+ switch (prop_id) {
+ case PROP_TRANSPORT:
+ gst_avdtp_connection_set_transport (&avdtpsrc->conn,
+ g_value_get_string (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GstCaps *
+gst_avdtp_src_getcaps (GstPad * pad)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (gst_pad_get_parent_element (pad));
+ GstCaps *ret;
+
+ if (avdtpsrc->dev_caps) {
+ const GValue *value;
+ const char *format;
+ int rate;
+ GstStructure *structure = gst_caps_get_structure (avdtpsrc->dev_caps, 0);
+
+ format = gst_structure_get_name (structure);
+
+ if (g_str_equal (format, "audio/x-sbc")) {
+ ret = gst_caps_new_simple ("application/x-rtp",
+ "encoding-name", G_TYPE_STRING, "SBC", NULL);
+ } else if (g_str_equal (format, "audio/mpeg")) {
+ GST_ERROR_OBJECT (avdtpsrc, "Only SBC is supported at " "the moment");
+ }
+
+ value = gst_structure_get_value (structure, "rate");
+ if (!value || !G_VALUE_HOLDS_INT (value)) {
+ GST_ERROR_OBJECT (avdtpsrc, "Failed to get sample rate");
+ goto fail;
+ }
+ rate = g_value_get_int (value);
+
+ gst_caps_set_simple (ret, "clock-rate", G_TYPE_INT, rate, NULL);
+ } else {
+ ret = gst_caps_ref (GST_PAD_TEMPLATE_CAPS (GST_PAD_PAD_TEMPLATE (pad)));
+ }
+
+ return ret;
+
+fail:
+ if (ret)
+ gst_caps_unref (ret);
+
+ return NULL;
+}
+
+static gboolean
+gst_avdtp_src_start (GstBaseSrc * bsrc)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (bsrc);
+
+ /* None of this can go into prepare() since we need to set up the
+ * connection to figure out what format the device is going to send us.
+ */
+
+ if (!gst_avdtp_connection_acquire (&avdtpsrc->conn)) {
+ GST_ERROR_OBJECT (avdtpsrc, "Failed to acquire connection");
+ return FALSE;
+ }
+
+ if (!gst_avdtp_connection_get_properties (&avdtpsrc->conn)) {
+ GST_ERROR_OBJECT (avdtpsrc, "Failed to get transport properties");
+ goto fail;
+ }
+
+ if (!gst_avdtp_connection_conf_recv_stream_fd (&avdtpsrc->conn)) {
+ GST_ERROR_OBJECT (avdtpsrc, "Failed to configure stream fd");
+ goto fail;
+ }
+
+ GST_DEBUG_OBJECT (avdtpsrc, "Setting block size to link MTU (%d)",
+ avdtpsrc->conn.data.link_mtu);
+ gst_base_src_set_blocksize (GST_BASE_SRC (avdtpsrc),
+ avdtpsrc->conn.data.link_mtu);
+
+ avdtpsrc->dev_caps = gst_avdtp_connection_get_caps (&avdtpsrc->conn);
+ if (!avdtpsrc->dev_caps) {
+ GST_ERROR_OBJECT (avdtpsrc, "Failed to get device caps");
+ goto fail;
+ }
+
+ gst_poll_fd_init (&avdtpsrc->pfd);
+ avdtpsrc->pfd.fd = g_io_channel_unix_get_fd (avdtpsrc->conn.stream);
+
+ gst_poll_add_fd (avdtpsrc->poll, &avdtpsrc->pfd);
+ gst_poll_fd_ctl_read (avdtpsrc->poll, &avdtpsrc->pfd, TRUE);
+ gst_poll_set_flushing (avdtpsrc->poll, FALSE);
+
+ g_atomic_int_set (&avdtpsrc->unlocked, FALSE);
+
+ return TRUE;
+
+fail:
+ gst_avdtp_connection_release (&avdtpsrc->conn);
+ return FALSE;
+}
+
+static gboolean
+gst_avdtp_src_stop (GstBaseSrc * bsrc)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (bsrc);
+
+ gst_poll_remove_fd (avdtpsrc->poll, &avdtpsrc->pfd);
+ gst_poll_set_flushing (avdtpsrc->poll, TRUE);
+
+ gst_avdtp_connection_release (&avdtpsrc->conn);
+
+ if (avdtpsrc->dev_caps) {
+ gst_caps_unref (avdtpsrc->dev_caps);
+ avdtpsrc->dev_caps = NULL;
+ }
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_avdtp_src_create (GstBaseSrc * bsrc, guint64 offset,
+ guint length, GstBuffer ** outbuf)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (bsrc);
+ GstBuffer *buf = NULL;
+ int ret;
+
+ if (g_atomic_int_get (&avdtpsrc->unlocked))
+ return GST_FLOW_WRONG_STATE;
+
+ /* We don't operate in GST_FORMAT_BYTES, so offset is ignored */
+
+ while ((ret = gst_poll_wait (avdtpsrc->poll, GST_CLOCK_TIME_NONE))) {
+ if (g_atomic_int_get (&avdtpsrc->unlocked))
+ /* We're unlocked, time to gtfo */
+ return GST_FLOW_WRONG_STATE;
+
+ if (ret < 0)
+ /* Something went wrong */
+ goto read_error;
+
+ if (ret > 0)
+ /* Got some data */
+ break;
+ }
+
+ buf = gst_buffer_new_and_alloc (length);
+ ret = read (avdtpsrc->pfd.fd, GST_BUFFER_DATA (buf), length);
+
+ if (ret < 0)
+ goto read_error;
+
+ GST_LOG_OBJECT (avdtpsrc, "Read %d bytes", ret);
+
+ if (ret < length) {
+ /* Create a subbuffer for as much as we've actually read */
+ *outbuf = gst_buffer_create_sub (buf, 0, ret);
+ gst_buffer_unref (buf);
+ } else
+ *outbuf = buf;
+
+ return GST_FLOW_OK;
+
+read_error:
+ gst_buffer_unref (buf);
+
+ GST_ERROR_OBJECT (avdtpsrc, "Error while reading audio data: %s",
+ strerror (errno));
+
+ return GST_FLOW_ERROR;
+}
+
+static gboolean
+gst_avdtp_src_unlock (GstBaseSrc * bsrc)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (bsrc);
+
+ g_atomic_int_set (&avdtpsrc->unlocked, TRUE);
+
+ gst_poll_set_flushing (avdtpsrc->poll, TRUE);
+}
+
+static gboolean
+gst_avdtp_src_unlock_stop (GstBaseSrc * bsrc)
+{
+ GstAvdtpSrc *avdtpsrc = GST_AVDTP_SRC (bsrc);
+
+ g_atomic_int_set (&avdtpsrc->unlocked, FALSE);
+
+ gst_poll_set_flushing (avdtpsrc->poll, FALSE);
+
+ /* Flush out any stale data that might be buffered */
+ gst_avdtp_connection_conf_recv_stream_fd (&avdtpsrc->conn);
+}
+
+gboolean
+gst_avdtp_src_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "avdtpsrc", GST_RANK_NONE,
+ GST_TYPE_AVDTP_SRC);
+}
--- /dev/null
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2012 Collabora Ltd.
+ *
+ *
+ * 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
+ *
+ */
+
+#ifndef __GST_AVDTP_SRC_H
+#define __GST_AVDTP_SRC_H
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesrc.h>
+#include "gstavdtputil.h"
+
+G_BEGIN_DECLS
+#define GST_TYPE_AVDTP_SRC \
+ (gst_avdtp_src_get_type())
+#define GST_AVDTP_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVDTP_SRC, GstAvdtpSrc))
+#define GST_AVDTP_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AVDTP_SRC, GstAvdtpSrc))
+#define GST_IS_AVDTP_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVDTP_SRC))
+#define GST_IS_AVDTP_SRC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVDTP_SRC))
+typedef struct _GstAvdtpSrc GstAvdtpSrc;
+typedef struct _GstAvdtpSrcClass GstAvdtpSrcClass;
+
+struct _GstAvdtpSrcClass
+{
+ GstBaseSrcClass parentclass;
+};
+
+struct _GstAvdtpSrc
+{
+ GstBaseSrc basesrc;
+
+ GstAvdtpConnection conn;
+ GstCaps *dev_caps;
+
+ GstPoll *poll;
+ GstPollFD pfd;
+ volatile gint unlocked;
+};
+
+gboolean gst_avdtp_src_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+#endif
--- /dev/null
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ * Copyright (C) 2012 Collabora Ltd.
+ *
+ *
+ * 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 <string.h>
+#include <stdint.h>
+
+#include <bluetooth/bluetooth.h>
+#include "a2dp-codecs.h"
+
+#include <gst/gst.h>
+#include "gstavdtputil.h"
+
+#define TEMPLATE_MAX_BITPOOL 64
+
+gboolean
+gst_avdtp_connection_acquire (GstAvdtpConnection * conn)
+{
+ DBusMessage *msg, *reply;
+ DBusError err;
+ const char *access_type = "rw";
+ int fd;
+ uint16_t imtu, omtu;
+
+ dbus_error_init (&err);
+
+ if (conn->transport == NULL) {
+ GST_ERROR ("No transport specified");
+ return FALSE;
+ }
+
+ if (conn->data.conn == NULL)
+ conn->data.conn = dbus_bus_get (DBUS_BUS_SYSTEM, &err);
+
+ msg = dbus_message_new_method_call ("org.bluez", conn->transport,
+ "org.bluez.MediaTransport", "Acquire");
+
+ dbus_message_append_args (msg, DBUS_TYPE_STRING, &access_type,
+ DBUS_TYPE_INVALID);
+
+ reply = dbus_connection_send_with_reply_and_block (conn->data.conn,
+ msg, -1, &err);
+
+ dbus_message_unref (msg);
+
+ if (dbus_error_is_set (&err))
+ goto fail;
+
+ if (dbus_message_get_args (reply, &err, DBUS_TYPE_UNIX_FD, &fd,
+ DBUS_TYPE_UINT16, &imtu,
+ DBUS_TYPE_UINT16, &omtu, DBUS_TYPE_INVALID) == FALSE)
+ goto fail;
+
+ dbus_message_unref (reply);
+
+ conn->stream = g_io_channel_unix_new (fd);
+ g_io_channel_set_encoding (conn->stream, NULL, NULL);
+ g_io_channel_set_close_on_unref (conn->stream, TRUE);
+ conn->data.link_mtu = omtu;
+
+ return TRUE;
+
+fail:
+ GST_ERROR ("Failed to acquire transport stream: %s", err.message);
+
+ dbus_error_free (&err);
+
+ if (reply)
+ dbus_message_unref (reply);
+
+ return FALSE;
+}
+
+static void
+gst_avdtp_connection_transport_release (GstAvdtpConnection * conn)
+{
+ DBusMessage *msg;
+ const char *access_type = "rw";
+
+ msg = dbus_message_new_method_call ("org.bluez", conn->transport,
+ "org.bluez.MediaTransport", "Release");
+
+ dbus_message_append_args (msg, DBUS_TYPE_STRING, &access_type,
+ DBUS_TYPE_INVALID);
+
+ dbus_connection_send (conn->data.conn, msg, NULL);
+
+ dbus_message_unref (msg);
+}
+
+void
+gst_avdtp_connection_release (GstAvdtpConnection * conn)
+{
+ if (conn->stream) {
+ g_io_channel_shutdown (conn->stream, TRUE, NULL);
+ g_io_channel_unref (conn->stream);
+ conn->stream = NULL;
+ }
+
+ if (conn->data.uuid) {
+ g_free (conn->data.uuid);
+ conn->data.uuid = NULL;
+ }
+
+ if (conn->data.config) {
+ g_free (conn->data.config);
+ conn->data.config = NULL;
+ }
+
+ if (conn->data.conn) {
+ if (conn->transport)
+ gst_avdtp_connection_transport_release (conn);
+
+ dbus_connection_unref (conn->data.conn);
+
+ conn->data.conn = FALSE;
+ }
+}
+
+void
+gst_avdtp_connection_reset (GstAvdtpConnection * conn)
+{
+ gst_avdtp_connection_release (conn);
+
+ if (conn->device) {
+ g_free (conn->device);
+ conn->device = NULL;
+ }
+
+ if (conn->transport) {
+ g_free (conn->transport);
+ conn->transport = NULL;
+ }
+}
+
+void
+gst_avdtp_connection_set_device (GstAvdtpConnection * conn, const char *device)
+{
+ if (conn->device)
+ g_free (conn->device);
+
+ conn->device = g_strdup (device);
+}
+
+void
+gst_avdtp_connection_set_transport (GstAvdtpConnection * conn,
+ const char *transport)
+{
+ if (conn->transport)
+ g_free (conn->transport);
+
+ conn->transport = g_strdup (transport);
+}
+
+static gboolean
+gst_avdtp_connection_parse_property (GstAvdtpConnection * conn,
+ DBusMessageIter * i)
+{
+ const char *key;
+ DBusMessageIter variant_i;
+
+ if (dbus_message_iter_get_arg_type (i) != DBUS_TYPE_STRING) {
+ GST_ERROR ("Property name not a string.");
+ return FALSE;
+ }
+
+ dbus_message_iter_get_basic (i, &key);
+
+ if (!dbus_message_iter_next (i)) {
+ GST_ERROR ("Property value missing");
+ return FALSE;
+ }
+
+ if (dbus_message_iter_get_arg_type (i) != DBUS_TYPE_VARIANT) {
+ GST_ERROR ("Property value not a variant.");
+ return FALSE;
+ }
+
+ dbus_message_iter_recurse (i, &variant_i);
+
+ switch (dbus_message_iter_get_arg_type (&variant_i)) {
+ case DBUS_TYPE_BYTE:{
+ uint8_t value;
+ dbus_message_iter_get_basic (&variant_i, &value);
+
+ if (g_str_equal (key, "Codec") == TRUE)
+ conn->data.codec = value;
+
+ break;
+ }
+ case DBUS_TYPE_STRING:{
+ const char *value;
+ dbus_message_iter_get_basic (&variant_i, &value);
+
+ if (g_str_equal (key, "UUID") == TRUE) {
+ g_free (conn->data.uuid);
+ conn->data.uuid = g_strdup (value);
+ }
+
+ break;
+ }
+ case DBUS_TYPE_ARRAY:{
+ DBusMessageIter array_i;
+ char *value;
+ int size;
+
+ dbus_message_iter_recurse (&variant_i, &array_i);
+ dbus_message_iter_get_fixed_array (&array_i, &value, &size);
+
+ if (g_str_equal (key, "Configuration")) {
+ g_free (conn->data.config);
+ conn->data.config = g_new0 (guint8, size);
+ conn->data.config_size = size;
+ memcpy (conn->data.config, value, size);
+ }
+
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+gboolean
+gst_avdtp_connection_get_properties (GstAvdtpConnection * conn)
+{
+ DBusMessage *msg, *reply;
+ DBusMessageIter arg_i, ele_i;
+ DBusError err;
+
+ dbus_error_init (&err);
+
+ msg = dbus_message_new_method_call ("org.bluez", conn->transport,
+ "org.bluez.MediaTransport", "GetProperties");
+
+ if (!msg) {
+ GST_ERROR ("D-Bus Memory allocation failed");
+ return FALSE;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block (conn->data.conn,
+ msg, -1, &err);
+
+ dbus_message_unref (msg);
+
+ if (dbus_error_is_set (&err)) {
+ GST_ERROR ("GetProperties failed: %s", err.message);
+ dbus_error_free (&err);
+ return FALSE;
+ }
+
+ if (!dbus_message_iter_init (reply, &arg_i)) {
+ GST_ERROR ("GetProperties reply has no arguments.");
+ goto fail;
+ }
+
+ if (dbus_message_iter_get_arg_type (&arg_i) != DBUS_TYPE_ARRAY) {
+ GST_ERROR ("GetProperties argument is not an array.");
+ goto fail;
+ }
+
+ dbus_message_iter_recurse (&arg_i, &ele_i);
+ while (dbus_message_iter_get_arg_type (&ele_i) != DBUS_TYPE_INVALID) {
+
+ if (dbus_message_iter_get_arg_type (&ele_i) == DBUS_TYPE_DICT_ENTRY) {
+ DBusMessageIter dict_i;
+
+ dbus_message_iter_recurse (&ele_i, &dict_i);
+
+ gst_avdtp_connection_parse_property (conn, &dict_i);
+ }
+
+ if (!dbus_message_iter_next (&ele_i))
+ break;
+ }
+
+ return TRUE;
+
+fail:
+ dbus_message_unref (reply);
+ return FALSE;
+
+}
+
+static GstStructure *
+gst_avdtp_util_parse_sbc_raw (void *config)
+{
+ a2dp_sbc_t *sbc = (a2dp_sbc_t *) config;
+ GstStructure *structure;
+ GValue *value;
+ GValue *list;
+ gboolean mono, stereo;
+
+ structure = gst_structure_empty_new ("audio/x-sbc");
+ value = g_value_init (g_new0 (GValue, 1), G_TYPE_STRING);
+ list = g_value_init (g_new0 (GValue, 1), GST_TYPE_LIST);
+
+ /* mode */
+ if (sbc->channel_mode & SBC_CHANNEL_MODE_MONO) {
+ g_value_set_static_string (value, "mono");
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->channel_mode & SBC_CHANNEL_MODE_STEREO) {
+ g_value_set_static_string (value, "stereo");
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->channel_mode & SBC_CHANNEL_MODE_DUAL_CHANNEL) {
+ g_value_set_static_string (value, "dual");
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->channel_mode & SBC_CHANNEL_MODE_JOINT_STEREO) {
+ g_value_set_static_string (value, "joint");
+ gst_value_list_prepend_value (list, value);
+ }
+ if (gst_value_list_get_size (list) == 1)
+ gst_structure_set_value (structure, "mode", value);
+ else
+ gst_structure_take_value (structure, "mode", list);
+
+ g_value_unset (value);
+ g_value_reset (list);
+
+ /* subbands */
+ value = g_value_init (value, G_TYPE_INT);
+ if (sbc->subbands & SBC_SUBBANDS_4) {
+ g_value_set_int (value, 4);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->subbands & SBC_SUBBANDS_8) {
+ g_value_set_int (value, 8);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (gst_value_list_get_size (list) == 1)
+ gst_structure_set_value (structure, "subbands", value);
+ else
+ gst_structure_take_value (structure, "subbands", list);
+
+ g_value_unset (value);
+ g_value_reset (list);
+
+ /* blocks */
+ value = g_value_init (value, G_TYPE_INT);
+ if (sbc->block_length & SBC_BLOCK_LENGTH_16) {
+ g_value_set_int (value, 16);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->block_length & SBC_BLOCK_LENGTH_12) {
+ g_value_set_int (value, 12);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->block_length & SBC_BLOCK_LENGTH_8) {
+ g_value_set_int (value, 8);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->block_length & SBC_BLOCK_LENGTH_4) {
+ g_value_set_int (value, 4);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (gst_value_list_get_size (list) == 1)
+ gst_structure_set_value (structure, "blocks", value);
+ else
+ gst_structure_take_value (structure, "blocks", list);
+
+ g_value_unset (value);
+ g_value_reset (list);
+
+ /* allocation */
+ g_value_init (value, G_TYPE_STRING);
+ if (sbc->allocation_method & SBC_ALLOCATION_LOUDNESS) {
+ g_value_set_static_string (value, "loudness");
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->allocation_method & SBC_ALLOCATION_SNR) {
+ g_value_set_static_string (value, "snr");
+ gst_value_list_prepend_value (list, value);
+ }
+ if (gst_value_list_get_size (list) == 1)
+ gst_structure_set_value (structure, "allocation", value);
+ else
+ gst_structure_take_value (structure, "allocation", list);
+
+ g_value_unset (value);
+ g_value_reset (list);
+
+ /* rate */
+ g_value_init (value, G_TYPE_INT);
+ if (sbc->frequency & SBC_SAMPLING_FREQ_48000) {
+ g_value_set_int (value, 48000);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->frequency & SBC_SAMPLING_FREQ_44100) {
+ g_value_set_int (value, 44100);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->frequency & SBC_SAMPLING_FREQ_32000) {
+ g_value_set_int (value, 32000);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (sbc->frequency & SBC_SAMPLING_FREQ_16000) {
+ g_value_set_int (value, 16000);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (gst_value_list_get_size (list) == 1)
+ gst_structure_set_value (structure, "rate", value);
+ else
+ gst_structure_take_value (structure, "rate", list);
+
+ g_value_unset (value);
+ g_value_reset (list);
+
+ /* bitpool */
+ value = g_value_init (value, GST_TYPE_INT_RANGE);
+ gst_value_set_int_range (value,
+ MIN (sbc->min_bitpool, TEMPLATE_MAX_BITPOOL),
+ MIN (sbc->max_bitpool, TEMPLATE_MAX_BITPOOL));
+ gst_structure_set_value (structure, "bitpool", value);
+ g_value_unset (value);
+
+ /* channels */
+ mono = FALSE;
+ stereo = FALSE;
+ if (sbc->channel_mode & SBC_CHANNEL_MODE_MONO)
+ mono = TRUE;
+ if ((sbc->channel_mode & SBC_CHANNEL_MODE_STEREO) ||
+ (sbc->channel_mode &
+ SBC_CHANNEL_MODE_DUAL_CHANNEL) ||
+ (sbc->channel_mode & SBC_CHANNEL_MODE_JOINT_STEREO))
+ stereo = TRUE;
+
+ if (mono && stereo) {
+ g_value_init (value, GST_TYPE_INT_RANGE);
+ gst_value_set_int_range (value, 1, 2);
+ } else {
+ g_value_init (value, G_TYPE_INT);
+ if (mono)
+ g_value_set_int (value, 1);
+ else if (stereo)
+ g_value_set_int (value, 2);
+ else {
+ GST_ERROR ("Unexpected number of channels");
+ g_value_set_int (value, 0);
+ }
+ }
+
+ gst_structure_set_value (structure, "channels", value);
+
+ g_value_unset (value);
+ g_free (value);
+ g_value_unset (list);
+ g_free (list);
+
+ return structure;
+}
+
+static GstStructure *
+gst_avdtp_util_parse_mpeg_raw (void *config)
+{
+ a2dp_mpeg_t *mpeg = (a2dp_mpeg_t *) config;
+ GstStructure *structure;
+ GValue *value;
+ GValue *list;
+ gboolean valid_layer = FALSE;
+ gboolean mono, stereo;
+
+ structure = gst_structure_empty_new ("audio/mpeg");
+ value = g_new0 (GValue, 1);
+ g_value_init (value, G_TYPE_INT);
+
+ list = g_value_init (g_new0 (GValue, 1), GST_TYPE_LIST);
+ g_value_set_int (value, 1);
+ gst_value_list_prepend_value (list, value);
+ g_value_set_int (value, 2);
+ gst_value_list_prepend_value (list, value);
+ gst_structure_set_value (structure, "mpegversion", list);
+ g_free (list);
+
+ /* layer */
+ list = g_value_init (g_new0 (GValue, 1), GST_TYPE_LIST);
+ if (mpeg->layer & MPEG_LAYER_MP1) {
+ g_value_set_int (value, 1);
+ gst_value_list_prepend_value (list, value);
+ valid_layer = TRUE;
+ }
+ if (mpeg->layer & MPEG_LAYER_MP2) {
+ g_value_set_int (value, 2);
+ gst_value_list_prepend_value (list, value);
+ valid_layer = TRUE;
+ }
+ if (mpeg->layer & MPEG_LAYER_MP3) {
+ g_value_set_int (value, 3);
+ gst_value_list_prepend_value (list, value);
+ valid_layer = TRUE;
+ }
+ if (list) {
+ if (gst_value_list_get_size (list) == 1)
+ gst_structure_set_value (structure, "layer", value);
+ else
+ gst_structure_set_value (structure, "layer", list);
+ g_free (list);
+ list = NULL;
+ }
+
+ if (!valid_layer) {
+ gst_structure_free (structure);
+ g_free (value);
+ return NULL;
+ }
+
+ /* rate */
+ list = g_value_init (g_new0 (GValue, 1), GST_TYPE_LIST);
+ if (mpeg->frequency & MPEG_SAMPLING_FREQ_48000) {
+ g_value_set_int (value, 48000);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (mpeg->frequency & MPEG_SAMPLING_FREQ_44100) {
+ g_value_set_int (value, 44100);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (mpeg->frequency & MPEG_SAMPLING_FREQ_32000) {
+ g_value_set_int (value, 32000);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (mpeg->frequency & MPEG_SAMPLING_FREQ_24000) {
+ g_value_set_int (value, 24000);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (mpeg->frequency & MPEG_SAMPLING_FREQ_22050) {
+ g_value_set_int (value, 22050);
+ gst_value_list_prepend_value (list, value);
+ }
+ if (mpeg->frequency & MPEG_SAMPLING_FREQ_16000) {
+ g_value_set_int (value, 16000);
+ gst_value_list_prepend_value (list, value);
+ }
+ g_value_unset (value);
+ if (list) {
+ if (gst_value_list_get_size (list) == 1)
+ gst_structure_set_value (structure, "rate", value);
+ else
+ gst_structure_set_value (structure, "rate", list);
+ g_free (list);
+ list = NULL;
+ }
+
+ /* channels */
+ mono = FALSE;
+ stereo = FALSE;
+ if (mpeg->channel_mode & MPEG_CHANNEL_MODE_MONO)
+ mono = TRUE;
+ if ((mpeg->channel_mode & MPEG_CHANNEL_MODE_STEREO) ||
+ (mpeg->channel_mode &
+ MPEG_CHANNEL_MODE_DUAL_CHANNEL) ||
+ (mpeg->channel_mode & MPEG_CHANNEL_MODE_JOINT_STEREO))
+ stereo = TRUE;
+
+ if (mono && stereo) {
+ g_value_init (value, GST_TYPE_INT_RANGE);
+ gst_value_set_int_range (value, 1, 2);
+ } else {
+ g_value_init (value, G_TYPE_INT);
+ if (mono)
+ g_value_set_int (value, 1);
+ else if (stereo)
+ g_value_set_int (value, 2);
+ else {
+ GST_ERROR ("Unexpected number of channels");
+ g_value_set_int (value, 0);
+ }
+ }
+ gst_structure_set_value (structure, "channels", value);
+ g_free (value);
+
+ return structure;
+}
+
+GstCaps *
+gst_avdtp_connection_get_caps (GstAvdtpConnection * conn)
+{
+ GstCaps *caps;
+ GstStructure *structure;
+
+ if (conn->data.config_size == 0 || conn->data.config == NULL)
+ return NULL;
+
+ switch (conn->data.codec) {
+ case A2DP_CODEC_SBC:
+ structure = gst_avdtp_util_parse_sbc_raw (conn->data.config);
+ break;
+ case A2DP_CODEC_MPEG12:
+ structure = gst_avdtp_util_parse_mpeg_raw (conn->data.config);
+ break;
+ default:
+ GST_ERROR ("Unsupported configuration");
+ return NULL;
+ }
+
+ if (structure == NULL)
+ return FALSE;
+
+ caps = gst_caps_new_full (structure, NULL);
+
+ return caps;
+}
+
+gboolean
+gst_avdtp_connection_conf_recv_stream_fd (GstAvdtpConnection * conn)
+{
+ struct bluetooth_data *data = &conn->data;
+ GError *gerr = NULL;
+ GIOStatus status;
+ GIOFlags flags;
+ int fd;
+
+ /* Proceed if stream was already acquired */
+ if (conn->stream == NULL) {
+ GST_ERROR ("Error while configuring device: "
+ "could not acquire audio socket");
+ return FALSE;
+ }
+
+ /* set stream socket to nonblock */
+ flags = g_io_channel_get_flags (conn->stream);
+ flags |= G_IO_FLAG_NONBLOCK;
+ status = g_io_channel_set_flags (conn->stream, flags, &gerr);
+ if (status != G_IO_STATUS_NORMAL)
+ GST_WARNING ("Error while setting server socket to nonblock");
+
+ fd = g_io_channel_unix_get_fd (conn->stream);
+
+ /* It is possible there is some outstanding
+ data in the pipe - we have to empty it */
+ while (1) {
+ ssize_t bread = read (fd, data->buffer, data->link_mtu);
+ if (bread <= 0)
+ break;
+ }
+
+ /* set stream socket to block */
+ flags = g_io_channel_get_flags (conn->stream);
+ flags &= ~G_IO_FLAG_NONBLOCK;
+ status = g_io_channel_set_flags (conn->stream, flags, &gerr);
+ if (status != G_IO_STATUS_NORMAL)
+ GST_WARNING ("Error while setting server socket to block");
+
+ memset (data->buffer, 0, sizeof (data->buffer));
+
+ return TRUE;
+}
--- /dev/null
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ * Copyright (C) 2012 Collabora Ltd.
+ *
+ *
+ * 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
+ *
+ */
+
+#ifndef __GST_AVDTP_UTIL_H
+#define __GST_AVDTP_UTIL_H
+
+#include <glib.h>
+
+#include <dbus/dbus.h>
+
+G_BEGIN_DECLS
+#define DEFAULT_CODEC_BUFFER_SIZE 2048
+ struct bluetooth_data
+{
+ guint link_mtu;
+
+ DBusConnection *conn;
+ guint8 codec; /* Bluetooth transport configuration */
+ gchar *uuid;
+ guint8 *config;
+ gint config_size;
+
+ gchar buffer[DEFAULT_CODEC_BUFFER_SIZE]; /* Codec transfer buffer */
+};
+
+typedef struct _GstAvdtpConnection GstAvdtpConnection;
+
+struct _GstAvdtpConnection
+{
+ gchar *device;
+ gchar *transport;
+ GIOChannel *stream;
+
+ struct bluetooth_data data;
+};
+
+gboolean gst_avdtp_connection_acquire (GstAvdtpConnection * conn);
+void gst_avdtp_connection_release (GstAvdtpConnection * conn);
+gboolean gst_avdtp_connection_get_properties (GstAvdtpConnection * conn);
+GstCaps *gst_avdtp_connection_get_caps (GstAvdtpConnection * conn);
+void gst_avdtp_connection_set_device (GstAvdtpConnection * conn,
+ const char *device);
+void gst_avdtp_connection_set_transport (GstAvdtpConnection * conn,
+ const char *transport);
+gboolean gst_avdtp_connection_conf_recv_stream_fd (GstAvdtpConnection * conn);
+
+G_END_DECLS
+#endif