rendered paste bodyIndex: gsta2dpsink.c
===================================================================
RCS file: /cvsroot/bluez/utils/audio/gsta2dpsink.c,v
retrieving revision 1.6
diff -u -3 -p -u -r1.6 gsta2dpsink.c
--- gsta2dpsink.c 18 Oct 2007 23:02:24 -0000 1.6
+++ gsta2dpsink.c 24 Oct 2007 20:30:29 -0000
@@ -70,23 +70,18 @@ GST_DEBUG_CATEGORY_STATIC(a2dp_sink_debu
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)
@@ -132,15 +127,13 @@ static void gst_a2dp_sink_base_init(gpoi
static gboolean 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 != -1) {
+ g_source_remove(self->watch_id);
+ self->watch_id = -1;
}
if (self->server) {
@@ -149,14 +142,15 @@ static gboolean gst_a2dp_sink_stop(GstBa
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;
}
+ usleep(500);
+
return TRUE;
}
@@ -244,6 +238,7 @@ static gint gst_a2dp_sink_bluetooth_recv
&& 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;
}
@@ -252,14 +247,14 @@ static gint gst_a2dp_sink_bluetooth_recv
return -EINVAL;
}
-static int gst_a2dp_sink_bluetooth_a2dp_init(GstA2dpSink *sink,
+static int 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;
}
@@ -267,24 +262,24 @@ static int gst_a2dp_sink_bluetooth_a2dp_
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);
+ 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(sink, "Codec parameters: \
+ GST_DEBUG_OBJECT(self, "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.allocation, data->sbc.subbands,
+ data->sbc.blocks, data->sbc.bitpool);
return 0;
}
@@ -421,13 +416,13 @@ static gboolean gst_a2dp_sink_conf_recv_
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");
+ "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\
@@ -445,34 +440,70 @@ static gboolean gst_a2dp_sink_conf_recv_
return TRUE;
}
-static gboolean gst_a2dp_sink_conf_recv_stream_fd(GstA2dpSink *sink)
+static gboolean gst_a2dp_sink_conf_recv_stream_fd(GstA2dpSink *self)
{
+ struct bluetooth_data *data = self->data;
gint ret;
GIOError err;
- gsize read;
+ GError *gerr = NULL;
+ GIOStatus status;
+ GIOFlags flags;
+ gsize read=0;
- 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,
+ 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;
}
@@ -512,28 +543,23 @@ static void gst_a2dp_sink_conf_recv_data
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 (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");
- 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:
+ } else {
+ sink = GST_A2DP_SINK(data);
GST_WARNING_OBJECT(sink, "Unexpected callback call");
- break;
}
return TRUE;
@@ -546,6 +572,8 @@ static gboolean gst_a2dp_sink_start(GstB
gint sk;
gint err;
+ self->watch_id = -1;
+
sk = socket(PF_LOCAL, SOCK_STREAM, 0);
if (sk < 0) {
err = errno;
@@ -556,7 +584,7 @@ static gboolean gst_a2dp_sink_start(GstB
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
err = errno;
- GST_ERROR_OBJECT(self, "Connection fail %s (%d)",
+ GST_ERROR_OBJECT(self, "Connection fail %s (%d)",
strerror(err), err);
close(sk);
return FALSE;
@@ -564,12 +592,18 @@ static gboolean gst_a2dp_sink_start(GstB
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;
}
@@ -643,47 +677,37 @@ static GstFlowReturn gst_a2dp_sink_prero
return GST_FLOW_OK;
}
-static int gst_a2dp_sink_avdtp_write(GstA2dpSink *sink)
+static int gst_a2dp_sink_avdtp_write(GstA2dpSink *self)
{
- int ret = 0;
- struct bluetooth_data *data;
+ gsize ret = 0;
+ 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 *) data->buffer;
+ payload = (void *) (data->buffer + sizeof(*header));
- header = (void *) a2dp->buffer;
- payload = (void *) (a2dp->buffer + sizeof(*header));
+ memset(data->buffer, 0, sizeof(*header) + sizeof(*payload));
- memset(a2dp->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;
}
@@ -691,29 +715,22 @@ static int gst_a2dp_sink_avdtp_write(Gst
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 = 0;
+ gint ret = 0;
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;
}
@@ -732,6 +749,11 @@ static gboolean gst_a2dp_sink_set_caps(G
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;
}
Index: gsta2dpsink.h
===================================================================
RCS file: /cvsroot/bluez/utils/audio/gsta2dpsink.h,v
retrieving revision 1.4
diff -u -3 -p -u -r1.4 gsta2dpsink.h
--- gsta2dpsink.h 18 Oct 2007 21:50:00 -0000 1.4
+++ gsta2dpsink.h 24 Oct 2007 20:30:29 -0000
@@ -67,6 +67,7 @@ struct _GstA2dpSink {
GMutex *sink_lock;
gint total;
+ gint watch_id;
};