g_cond_signal (s->con_conf_end); \
} G_STMT_END
-struct bluetooth_a2dp
+struct bluetooth_data
{
+ struct ipc_data_cfg cfg; /* Bluetooth device config */
sbc_t sbc; /* Codec data */
int codesize; /* SBC codesize */
int samples; /* Number of encoded samples */
- uint8_t buffer[BUFFER_SIZE]; /* Codec transfer buffer */
- int count; /* Codec transfer buffer counter */
+ gchar buffer[BUFFER_SIZE]; /* Codec transfer buffer */
+ gsize 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_data
-{
- struct ipc_data_cfg cfg; /* Bluetooth device config */
- uint8_t buffer[BUFFER_SIZE]; /* Encoded transfer buffer */
- int count; /* Transfer buffer counter */
- struct bluetooth_a2dp a2dp; /* A2DP data */
-};
#define IS_SBC(n) (strcmp((n), "audio/x-sbc") == 0)
#define IS_MPEG(n) (strcmp((n), "audio/mpeg") == 0)
gst_a2dp_sink_stop (GstBaseSink * basesink)
{
GstA2dpSink *self = GST_A2DP_SINK (basesink);
- struct bluetooth_a2dp *a2dp = &self->data->a2dp;
self->con_state = NOT_CONFIGURED;
self->total = 0;
- if (self->stream) {
- g_io_channel_close (self->stream);
- g_io_channel_unref (self->stream);
- self->stream = NULL;
+ if (self->watch_id != 0) {
+ g_source_remove (self->watch_id);
+ self->watch_id = 0;
}
if (self->server) {
self->stream = NULL;
}
- if (self->data->cfg.codec == CFG_CODEC_SBC)
- sbc_finish (&a2dp->sbc);
-
if (self->data) {
+ if (self->data->cfg.codec == CFG_CODEC_SBC)
+ sbc_finish (&self->data->sbc);
g_free (self->data);
self->data = NULL;
}
if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
stream_fd = (*(int *) CMSG_DATA (cmsg));
sink->stream = g_io_channel_unix_new (stream_fd);
+
GST_DEBUG_OBJECT (sink, "stream_fd=%d", stream_fd);
return 0;
}
}
static int
-gst_a2dp_sink_bluetooth_a2dp_init (GstA2dpSink * sink,
+gst_a2dp_sink_bluetooth_a2dp_init (GstA2dpSink * self,
struct ipc_codec_sbc *sbc)
{
- struct bluetooth_a2dp *a2dp = &sink->data->a2dp;
- struct ipc_data_cfg *cfg = &sink->data->cfg;
+ struct bluetooth_data *data = self->data;
+ struct ipc_data_cfg *cfg = &data->cfg;
if (cfg == NULL) {
- GST_ERROR_OBJECT (sink, "Error getting codec parameters");
+ GST_ERROR_OBJECT (self, "Error getting codec parameters");
return -1;
}
return -1;
/* FIXME: init using flags? */
- sbc_init (&a2dp->sbc, 0);
- a2dp->sbc.rate = cfg->rate;
- a2dp->sbc.channels = cfg->mode == CFG_MODE_MONO ? 1 : 2;
+ sbc_init (&data->sbc, 0);
+ data->sbc.rate = cfg->rate;
+ data->sbc.channels = cfg->mode == CFG_MODE_MONO ? 1 : 2;
if (cfg->mode == CFG_MODE_MONO || cfg->mode == CFG_MODE_JOINT_STEREO)
- a2dp->sbc.joint = 1;
- a2dp->sbc.allocation = sbc->allocation;
- a2dp->sbc.subbands = sbc->subbands;
- a2dp->sbc.blocks = sbc->blocks;
- a2dp->sbc.bitpool = sbc->bitpool;
- a2dp->codesize = a2dp->sbc.subbands * a2dp->sbc.blocks *
- a2dp->sbc.channels * 2;
- a2dp->count = sizeof (struct rtp_header) + sizeof (struct rtp_payload);
-
- GST_DEBUG_OBJECT (sink, "Codec parameters: \
- \tallocation=%u\n\tsubbands=%u\n \
- \tblocks=%u\n\tbitpool=%u\n", a2dp->sbc.allocation, a2dp->sbc.subbands, a2dp->sbc.blocks, a2dp->sbc.bitpool);
+ data->sbc.joint = 1;
+ data->sbc.allocation = sbc->allocation;
+ data->sbc.subbands = sbc->subbands;
+ data->sbc.blocks = sbc->blocks;
+ data->sbc.bitpool = sbc->bitpool;
+ data->codesize = data->sbc.subbands * data->sbc.blocks *
+ data->sbc.channels * 2;
+ data->count = sizeof (struct rtp_header) + sizeof (struct rtp_payload);
+
+ GST_DEBUG_OBJECT (self, "Codec parameters: "
+ "\tallocation=%u\n\tsubbands=%u\n "
+ "\tblocks=%u\n\tbitpool=%u\n",
+ data->sbc.allocation, data->sbc.subbands,
+ data->sbc.blocks, data->sbc.bitpool);
return 0;
}
io_error = g_io_channel_read (sink->server, (gchar *) buf,
sizeof (*pkt) + sizeof (*cfg), &ret);
if (io_error != G_IO_ERROR_NONE && ret > 0) {
- GST_ERROR_OBJECT (sink, "Error ocurred while receiving \
- configurarion packet answer");
+ GST_ERROR_OBJECT (sink, "Error ocurred while receiving "
+ "configurarion packet answer");
return FALSE;
}
sink->total = ret;
if (pkt->type != PKT_TYPE_CFG_RSP) {
- GST_ERROR_OBJECT (sink, "Unexpected packet type %d \
- received", pkt->type);
+ GST_ERROR_OBJECT (sink, "Unexpected packet type %d " "received", pkt->type);
return FALSE;
}
if (pkt->error != PKT_ERROR_NONE) {
- GST_ERROR_OBJECT (sink, "Error %d while configuring \
- device", pkt->error);
+ GST_ERROR_OBJECT (sink, "Error %d while configuring " "device", pkt->error);
return FALSE;
}
io_error = g_io_channel_read (sink->server, (gchar *) sbc,
sizeof (*sbc), &ret);
if (io_error != G_IO_ERROR_NONE) {
- GST_ERROR_OBJECT (sink, "Error while reading data from socket \
- %s (%d)", strerror (errno), errno);
+ GST_ERROR_OBJECT (sink, "Error while reading data from socket "
+ "%s (%d)", strerror (errno), errno);
return FALSE;
} else if (ret == 0) {
GST_ERROR_OBJECT (sink, "Read 0 bytes from socket");
sink->total += ret;
GST_DEBUG_OBJECT (sink, "OK - %d bytes received", sink->total);
-
+#if 0
if (pkt->length != (sink->total - sizeof (struct ipc_packet))) {
GST_ERROR_OBJECT (sink, "Error while configuring device: "
"packet size doesn't match");
return FALSE;
}
-
+#endif
memcpy (&sink->data->cfg, cfg, sizeof (*cfg));
- GST_DEBUG_OBJECT (sink, "Device configuration:\n\tchannel=%p\n\t\
- fd_opt=%u\n\tpkt_len=%u\n\tsample_size=%u\n\trate=%u", sink->stream, sink->data->cfg.fd_opt, sink->data->cfg.pkt_len, sink->data->cfg.sample_size, sink->data->cfg.rate);
+ GST_DEBUG_OBJECT (sink, "Device configuration:\n\tchannel=%p\n\t"
+ "fd_opt=%u\n\tpkt_len=%u\n\tsample_size=%u\n\trate=%u",
+ sink->stream, sink->data->cfg.fd_opt,
+ sink->data->cfg.pkt_len, sink->data->cfg.sample_size,
+ sink->data->cfg.rate);
if (sink->data->cfg.codec == CFG_CODEC_SBC) {
ret = gst_a2dp_sink_bluetooth_a2dp_init (sink, sbc);
}
static gboolean
-gst_a2dp_sink_conf_recv_stream_fd (GstA2dpSink * sink)
+gst_a2dp_sink_conf_recv_stream_fd (GstA2dpSink * self)
{
+ struct bluetooth_data *data = self->data;
gint ret;
GIOError err;
+ GError *gerr = NULL;
+ GIOStatus status;
+ GIOFlags flags;
gsize read;
- ret = gst_a2dp_sink_bluetooth_recvmsg_fd (sink);
+ ret = gst_a2dp_sink_bluetooth_recvmsg_fd (self);
if (ret < 0)
return FALSE;
- if (!sink->stream) {
- GST_ERROR_OBJECT (sink, "Error while configuring device: "
+ if (!self->stream) {
+ GST_ERROR_OBJECT (self, "Error while configuring device: "
"could not acquire audio socket");
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");
+ }
+
/* 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) {
- err = g_io_channel_read (sink->stream,
- (gchar *) sink->data->buffer, (gsize) sink->data->cfg.pkt_len, &read);
+ err = g_io_channel_read (self->stream, data->buffer,
+ (gsize) data->cfg.pkt_len, &read);
if (err != G_IO_ERROR_NONE || read <= 0)
break;
}
- memset (sink->data->buffer, 0, sizeof (sink->data->buffer));
+ /* 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");
+ }
+
+ memset (data->buffer, 0, sizeof (data->buffer));
return TRUE;
}
static gboolean
server_callback (GIOChannel * chan, GIOCondition cond, gpointer data)
{
- GstA2dpSink *sink = GST_A2DP_SINK (data);
+ GstA2dpSink *sink;
- switch (cond) {
- case G_IO_IN:
- if (sink->con_state != NOT_CONFIGURED && sink->con_state != CONFIGURED)
- gst_a2dp_sink_conf_recv_data (sink);
- else
- GST_WARNING_OBJECT (sink, "Unexpected data received");
- break;
- case G_IO_HUP:
- return FALSE;
- break;
- case G_IO_ERR:
- GST_WARNING_OBJECT (sink, "Untreated callback G_IO_ERR");
- break;
- case G_IO_NVAL:
- return FALSE;
- break;
- default:
- GST_WARNING_OBJECT (sink, "Unexpected callback call");
- break;
+ if (cond & G_IO_HUP || cond & G_IO_NVAL)
+ return FALSE;
+ else if (cond & G_IO_ERR) {
+ sink = GST_A2DP_SINK (data);
+ GST_WARNING_OBJECT (sink, "Untreated callback G_IO_ERR");
+ } else if (cond & G_IO_IN) {
+ sink = GST_A2DP_SINK (data);
+ if (sink->con_state != NOT_CONFIGURED && sink->con_state != CONFIGURED)
+ gst_a2dp_sink_conf_recv_data (sink);
+ else
+ GST_WARNING_OBJECT (sink, "Unexpected data received");
+ } else {
+ sink = GST_A2DP_SINK (data);
+ GST_WARNING_OBJECT (sink, "Unexpected callback call");
}
return TRUE;
gint sk;
gint err;
+ self->watch_id = 0;
+
sk = socket (PF_LOCAL, SOCK_STREAM, 0);
if (sk < 0) {
err = errno;
self->server = g_io_channel_unix_new (sk);
- g_io_add_watch (self->server, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
- server_callback, self);
+ self->watch_id = g_io_add_watch (self->server, G_IO_IN | G_IO_HUP |
+ G_IO_ERR | G_IO_NVAL, server_callback, self);
self->data = g_new0 (struct bluetooth_data, 1);
- memset (self->data, 0, sizeof (struct bluetooth_data));
+
+ self->stream = NULL;
+ self->con_state = NOT_CONFIGURED;
+ self->total = 0;
+
+ self->waiting_con_conf = FALSE;
return TRUE;
}
memset (pkt, 0, sizeof (buf));
ret = gst_a2dp_sink_init_pkt_conf (sink, caps, pkt);
if (!ret) {
- GST_ERROR_OBJECT (sink, "Couldn't initialize parse caps \
- to packet configuration");
+ GST_ERROR_OBJECT (sink, "Couldn't initialize parse caps "
+ "to packet configuration");
return FALSE;
}
io_error = g_io_channel_write (sink->server, (gchar *) pkt,
sizeof (*pkt) + pkt->length, &bytes_sent);
if (io_error != G_IO_ERROR_NONE) {
- GST_ERROR_OBJECT (sink, "Error ocurred while sending \
- configurarion packet");
+ GST_ERROR_OBJECT (sink, "Error ocurred while sending "
+ "configurarion packet");
sink->con_state = NOT_CONFIGURED;
return FALSE;
}
}
static int
-gst_a2dp_sink_avdtp_write (GstA2dpSink * sink)
+gst_a2dp_sink_avdtp_write (GstA2dpSink * self)
{
- int ret = 0;
- struct bluetooth_data *data;
+ gsize ret;
+ struct bluetooth_data *data = self->data;
struct rtp_header *header;
struct rtp_payload *payload;
- struct bluetooth_a2dp *a2dp;
GIOError err;
- data = sink->data;
- a2dp = &data->a2dp;
-
- header = (void *) a2dp->buffer;
- payload = (void *) (a2dp->buffer + sizeof (*header));
+ header = (void *) data->buffer;
+ payload = (void *) (data->buffer + sizeof (*header));
- memset (a2dp->buffer, 0, sizeof (*header) + sizeof (*payload));
+ memset (data->buffer, 0, sizeof (*header) + sizeof (*payload));
- payload->frame_count = a2dp->frame_count;
+ payload->frame_count = data->frame_count;
header->v = 2;
header->pt = 1;
- header->sequence_number = htons (a2dp->seq_num);
- header->timestamp = htonl (a2dp->nsamples);
+ header->sequence_number = htons (data->seq_num);
+ header->timestamp = htonl (data->nsamples);
header->ssrc = htonl (1);
- while (1) {
- err = g_io_channel_write (sink->stream, (const char *) a2dp->buffer,
- (gsize) a2dp->count, (gsize *) & ret);
-
- if (err == G_IO_ERROR_AGAIN) {
- usleep (100);
- continue;
- }
-
- break;
+ err = g_io_channel_write (self->stream, data->buffer, data->count, &ret);
+ if (err != G_IO_ERROR_NONE) {
+ GST_ERROR_OBJECT (self, "Error while sending data");
+ ret = -1;
}
/* 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++;
+ data->count = sizeof (struct rtp_header) + sizeof (struct rtp_payload);
+ data->frame_count = 0;
+ data->samples = 0;
+ data->seq_num++;
return ret;
}
static GstFlowReturn
gst_a2dp_sink_render (GstBaseSink * basesink, GstBuffer * buffer)
{
- GstA2dpSink *sink;
- struct bluetooth_data *data;
- struct bluetooth_a2dp *a2dp;
- gint encoded, frame_size = 1024;
- gint ret = 0;
-
- sink = GST_A2DP_SINK (basesink);
- data = (struct bluetooth_data *) sink->data;
- a2dp = &data->a2dp;
+ GstA2dpSink *self = GST_A2DP_SINK (basesink);
+ struct bluetooth_data *data = self->data;
+ gint encoded;
+ gint ret;
encoded = GST_BUFFER_SIZE (buffer);
- if (a2dp->count + encoded >= data->cfg.pkt_len) {
- ret = gst_a2dp_sink_avdtp_write (sink);
+ if (data->count + encoded >= data->cfg.pkt_len) {
+ ret = gst_a2dp_sink_avdtp_write (self);
if (ret < 0)
return GST_FLOW_ERROR;
}
- memcpy (a2dp->buffer + a2dp->count, GST_BUFFER_DATA (buffer), encoded);
- a2dp->count += encoded;
- a2dp->frame_count++;
- a2dp->samples += encoded / frame_size;
- a2dp->nsamples += encoded / frame_size;
+ memcpy (data->buffer + data->count, GST_BUFFER_DATA (buffer), encoded);
+ data->count += encoded;
+ data->frame_count++;
return GST_FLOW_OK;
}
static gboolean
gst_a2dp_sink_unlock (GstBaseSink * basesink)
{
+ GstA2dpSink *self = GST_A2DP_SINK (basesink);
+
+ if (self->stream != NULL)
+ g_io_channel_flush (self->stream, NULL);
+
return TRUE;
}