void test_no_lock()
{
GstTask *t;
gboolean ret;
//xmlfile = "test_no_lock";
std_log(LOG_FILENAME_LINE, "Test Started test_no_lock");
t = gst_task_create (task_func, NULL);
fail_if (t == NULL);
TEST_ASSERT_FAIL
/* stop should be possible without lock */
gst_task_stop (t);
/* pause should give a warning */
ASSERT_WARNING (ret = gst_task_pause (t)); //b failing
fail_unless (ret == FALSE);
TEST_ASSERT_FAIL
/* start should give a warning */
ASSERT_WARNING (ret = gst_task_start (t));
fail_unless (ret == FALSE);
TEST_ASSERT_FAIL
/* stop should be possible without lock */
gst_task_stop (t);
gst_object_unref (t);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
static void gst_amlvdec_polling_eos (GstAmlVdec *amlvdec)
{
unsigned rp_move_count = 40,count=0;
struct buf_status vbuf;
unsigned last_rp = 0;
int ret=1;
do {
if(count>2000)//avoid infinite loop
break;
ret = codec_get_vbuf_state(amlvdec->pcodec, &vbuf);
if (ret != 0) {
GST_ERROR("codec_get_vbuf_state error: %x\n", -ret);
break;
}
if(last_rp != vbuf.read_pointer){
last_rp = vbuf.read_pointer;
rp_move_count = 200;
}else
rp_move_count--;
usleep(1000*30);
count++;
/* if(amlvdec->passthrough) {
break;
}*/
} while (vbuf.data_len > 0x100 && rp_move_count > 0);
// amlvdec->passthrough = FALSE;
//gst_pad_push_event (amlvdec->srcpad, gst_event_new_eos ());
gst_task_pause (amlvdec->eos_task);
}
void test_lock()
{
GstTask *t;
gboolean ret;
//xmlfile = "test_lock";
std_log(LOG_FILENAME_LINE, "Test Started test_lock");
t = gst_task_create (task_func, NULL);
fail_if (t == NULL);
TEST_ASSERT_FAIL
gst_task_set_lock (t, &task_mutex);
GST_DEBUG ("pause");
ret = gst_task_pause (t);
fail_unless (ret == TRUE);
TEST_ASSERT_FAIL
g_usleep (1 * G_USEC_PER_SEC / 2);
GST_DEBUG ("joining");
ret = gst_task_join (t);
fail_unless (ret == TRUE);
TEST_ASSERT_FAIL
g_usleep (1 * G_USEC_PER_SEC / 2);
gst_object_unref (t);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
static void
gst_ss_demux_stream_loop (GstSSDemux * demux)
{
GThread *self = NULL;
int stream_type = 0;
GstSSDemuxStream *stream = NULL;
self = g_thread_self ();
for (stream_type = 0; stream_type < SS_STREAM_NUM; stream_type++) {
if (demux->streams[stream_type]->stream_task->abidata.ABI.thread == self) {
stream = demux->streams[stream_type];
break;
}
}
/* download next fragment of stream_type */
if (!gst_ss_demux_get_next_fragment (demux, stream_type)) {
GST_ERROR_OBJECT (demux, "failed to get next fragment...");
goto error;
}
return;
error:
{
gst_task_pause (stream->stream_task);
GST_ELEMENT_ERROR (demux, RESOURCE, NOT_FOUND,
("could not download fragments"), (NULL));
gst_ss_demux_stop (demux, stream);
return;
}
}
/*
* Decrement the reference count on the curl multi loop. If this is called by
* the last instance to hold a reference, shut down the worker. (Otherwise
* GStreamer can't close down with a thread still running). Also offers the
* "force_all" boolean parameter, which if TRUE removes all references and shuts
* down.
*/
void
gst_curl_multi_context_unref (GstCurlMultiContext * thiz)
{
g_mutex_lock(&thiz->mutex);
thiz->refcount--;
GST_INFO ("Worker thread refcount is now %u", thiz->refcount);
if (thiz->refcount <= 0) {
/* Everything's done! Clean up. */
gst_task_pause (thiz->task);
g_cond_signal (&thiz->signal);
g_mutex_unlock (&thiz->mutex);
gst_task_join (thiz->task);
} else {
g_mutex_unlock(&thiz->mutex);
}
}
static void
gst_hls_demux_loop (GstHLSDemux * demux)
{
GstBuffer *buf;
GstFlowReturn ret;
/* Loop for the source pad task. The task is started when we have
* received the main playlist from the source element. It tries first to
* cache the first fragments and then it waits until it has more data in the
* queue. This task is woken up when we push a new fragment to the queue or
* when we reached the end of the playlist */
if (G_UNLIKELY (demux->need_cache)) {
if (!gst_hls_demux_cache_fragments (demux))
goto cache_error;
/* we can start now the updates thread */
gst_hls_demux_start_update (demux);
GST_INFO_OBJECT (demux, "First fragments cached successfully");
}
if (g_queue_is_empty (demux->queue)) {
if (demux->end_of_playlist)
goto end_of_playlist;
goto empty_queue;
}
buf = g_queue_pop_head (demux->queue);
/* Figure out if we need to create/switch pads */
if (G_UNLIKELY (!demux->srcpad
|| GST_BUFFER_CAPS (buf) != GST_PAD_CAPS (demux->srcpad)
|| demux->need_segment)) {
switch_pads (demux, GST_BUFFER_CAPS (buf));
demux->need_segment = TRUE;
}
if (demux->need_segment) {
/* And send a newsegment */
GST_DEBUG_OBJECT (demux, "Sending new-segment. Segment start:%"
GST_TIME_FORMAT, GST_TIME_ARGS (demux->position));
gst_pad_push_event (demux->srcpad,
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, demux->position,
GST_CLOCK_TIME_NONE, demux->position));
demux->need_segment = FALSE;
}
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DURATION (buf)))
demux->position += GST_BUFFER_DURATION (buf);
ret = gst_pad_push (demux->srcpad, buf);
if (ret != GST_FLOW_OK)
goto error;
return;
end_of_playlist:
{
GST_DEBUG_OBJECT (demux, "Reached end of playlist, sending EOS");
gst_pad_push_event (demux->srcpad, gst_event_new_eos ());
gst_hls_demux_stop (demux);
return;
}
cache_error:
{
gst_task_pause (demux->task);
if (!demux->cancelled) {
GST_ELEMENT_ERROR (demux, RESOURCE, NOT_FOUND,
("Could not cache the first fragments"), (NULL));
gst_hls_demux_stop (demux);
}
return;
}
error:
{
/* FIXME: handle error */
GST_DEBUG_OBJECT (demux, "error, stopping task");
gst_hls_demux_stop (demux);
return;
}
empty_queue:
{
gst_task_pause (demux->task);
return;
}
}
static gboolean
gst_hls_demux_src_event (GstPad * pad, GstEvent * event)
{
GstHLSDemux *demux;
demux = GST_HLS_DEMUX (gst_pad_get_element_private (pad));
switch (event->type) {
case GST_EVENT_SEEK:
{
gdouble rate;
GstFormat format;
GstSeekFlags flags;
GstSeekType start_type, stop_type;
gint64 start, stop;
GList *walk;
gint current_pos;
gint current_sequence;
gint target_second;
GstM3U8MediaFile *file;
GST_INFO_OBJECT (demux, "Received GST_EVENT_SEEK");
if (gst_m3u8_client_is_live (demux->client)) {
GST_WARNING_OBJECT (demux, "Received seek event for live stream");
return FALSE;
}
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop);
if (format != GST_FORMAT_TIME)
return FALSE;
GST_DEBUG_OBJECT (demux, "seek event, rate: %f start: %" GST_TIME_FORMAT
" stop: %" GST_TIME_FORMAT, rate, GST_TIME_ARGS (start),
GST_TIME_ARGS (stop));
file = GST_M3U8_MEDIA_FILE (demux->client->current->files->data);
current_sequence = file->sequence;
current_pos = 0;
target_second = start / GST_SECOND;
GST_DEBUG_OBJECT (demux, "Target seek to %d", target_second);
for (walk = demux->client->current->files; walk; walk = walk->next) {
file = walk->data;
current_sequence = file->sequence;
if (current_pos <= target_second
&& target_second < current_pos + file->duration) {
break;
}
current_pos += file->duration;
}
if (walk == NULL) {
GST_WARNING_OBJECT (demux, "Could not find seeked fragment");
return FALSE;
}
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "sending flush start");
gst_pad_push_event (demux->srcpad, gst_event_new_flush_start ());
}
demux->cancelled = TRUE;
gst_task_pause (demux->task);
g_mutex_lock (demux->fetcher_lock);
gst_hls_demux_stop_fetcher (demux, TRUE);
g_mutex_unlock (demux->fetcher_lock);
g_mutex_lock (demux->thread_lock);
g_cond_signal (demux->thread_cond);
g_mutex_unlock (demux->thread_lock);
gst_task_pause (demux->task);
/* wait for streaming to finish */
g_static_rec_mutex_lock (&demux->task_lock);
demux->need_cache = TRUE;
while (!g_queue_is_empty (demux->queue)) {
GstBuffer *buf = g_queue_pop_head (demux->queue);
gst_buffer_unref (buf);
}
GST_DEBUG_OBJECT (demux, "seeking to sequence %d", current_sequence);
demux->client->sequence = current_sequence;
demux->position = start;
demux->need_segment = TRUE;
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "sending flush stop");
gst_pad_push_event (demux->srcpad, gst_event_new_flush_stop ());
}
demux->cancelled = FALSE;
gst_task_start (demux->task);
g_static_rec_mutex_unlock (&demux->task_lock);
return TRUE;
}
default:
break;
}
return gst_pad_event_default (pad, event);
}
static void
task_monitor_alsa (gpointer data)
{
struct pollfd *pfds;
unsigned int nfds, rnfds;
unsigned short revents;
GstAlsaMixer *mixer = (GstAlsaMixer *) data;
gint ret;
g_static_rec_mutex_lock (mixer->rec_mutex);
nfds = snd_mixer_poll_descriptors_count (mixer->handle);
if (nfds <= 0) {
GST_ERROR ("snd_mixer_poll_descriptors_count <= 0: %d", nfds);
/* FIXME: sleep ? stop monitoring ? */
g_static_rec_mutex_unlock (mixer->rec_mutex);
return;
}
pfds = g_newa (struct pollfd, nfds + 1);
rnfds = snd_mixer_poll_descriptors (mixer->handle, pfds, nfds);
g_assert (rnfds <= nfds);
if (rnfds < 0) {
GST_ELEMENT_ERROR (mixer, RESOURCE, READ, (NULL), ("alsa error: %s",
snd_strerror (rnfds)));
gst_task_pause (mixer->task);
g_static_rec_mutex_unlock (mixer->rec_mutex);
return;
}
pfds[rnfds].fd = mixer->pfd[0];
pfds[rnfds].events = POLLIN | POLLPRI | POLLHUP | POLLERR;
pfds[rnfds].revents = 0;
g_static_rec_mutex_unlock (mixer->rec_mutex);
GST_LOG ("task loop");
ret = poll (pfds, rnfds + 1, -1);
if (ret < 0) {
GST_ELEMENT_ERROR (mixer, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
gst_task_pause (mixer->task);
return;
}
g_static_rec_mutex_lock (mixer->rec_mutex);
ret =
snd_mixer_poll_descriptors_revents (mixer->handle, pfds, nfds, &revents);
if (ret < 0) {
GST_ELEMENT_ERROR (mixer, RESOURCE, READ, (NULL), ("alsa error: %s",
snd_strerror (ret)));
gst_task_pause (mixer->task);
} else if (revents & (POLLIN | POLLPRI)) {
GST_DEBUG ("Handling events");
snd_mixer_handle_events (mixer->handle);
} else if (revents & (POLLERR | POLLNVAL | POLLHUP)) {
GST_ELEMENT_ERROR (mixer, RESOURCE, READ, (NULL), (NULL));
gst_task_pause (mixer->task);
}
g_static_rec_mutex_unlock (mixer->rec_mutex);
}
static void
gst_decklink_src_task (void *priv)
{
GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (priv);
GstBuffer *buffer;
GstBuffer *audio_buffer;
IDeckLinkVideoInputFrame *video_frame;
IDeckLinkAudioInputPacket *audio_frame;
void *data;
gsize data_size;
int n_samples;
GstFlowReturn ret;
const GstDecklinkMode *mode;
gboolean discont = FALSE;
GST_DEBUG_OBJECT (decklinksrc, "task");
g_mutex_lock (&decklinksrc->mutex);
while (decklinksrc->video_frame == NULL && !decklinksrc->stop) {
g_cond_wait (&decklinksrc->cond, &decklinksrc->mutex);
}
video_frame = decklinksrc->video_frame;
audio_frame = decklinksrc->audio_frame;
decklinksrc->video_frame = NULL;
decklinksrc->audio_frame = NULL;
g_mutex_unlock (&decklinksrc->mutex);
if (decklinksrc->stop) {
if (video_frame)
video_frame->Release ();
if (audio_frame)
audio_frame->Release ();
GST_DEBUG ("stopping task");
return;
}
/* warning on dropped frames */
/* FIXME: post QoS message */
if (decklinksrc->dropped_frames - decklinksrc->dropped_frames_old > 0) {
GST_ELEMENT_WARNING (decklinksrc, RESOURCE, READ,
("Dropped %d frame(s), for a total of %d frame(s)",
decklinksrc->dropped_frames - decklinksrc->dropped_frames_old,
decklinksrc->dropped_frames), (NULL));
decklinksrc->dropped_frames_old = decklinksrc->dropped_frames;
/* FIXME: discont = TRUE; ? */
}
if (!decklinksrc->started) {
gst_decklink_src_send_initial_events (decklinksrc);
decklinksrc->started = TRUE;
}
mode = gst_decklink_get_mode (decklinksrc->mode);
video_frame->GetBytes (&data);
data_size = mode->width * mode->height * 2;
if (decklinksrc->copy_data) {
buffer = gst_buffer_new_and_alloc (data_size);
gst_buffer_fill (buffer, 0, data, data_size);
video_frame->Release ();
} else {
VideoFrame *vf;
vf = (VideoFrame *) g_malloc0 (sizeof (VideoFrame));
buffer = gst_buffer_new_wrapped_full ((GstMemoryFlags) 0, data, data_size,
0, data_size, vf, (GDestroyNotify) video_frame_free);
vf->frame = video_frame;
vf->input = decklinksrc->input;
vf->input->AddRef ();
}
GST_BUFFER_TIMESTAMP (buffer) =
gst_util_uint64_scale_int (decklinksrc->frame_num * GST_SECOND,
mode->fps_d, mode->fps_n);
GST_BUFFER_DURATION (buffer) =
gst_util_uint64_scale_int ((decklinksrc->frame_num + 1) * GST_SECOND,
mode->fps_d, mode->fps_n) - GST_BUFFER_TIMESTAMP (buffer);
GST_BUFFER_OFFSET (buffer) = decklinksrc->frame_num;
GST_BUFFER_OFFSET_END (buffer) = decklinksrc->frame_num; /* FIXME: +1? */
/* FIXME: set video meta */
if (decklinksrc->frame_num == 0)
discont = TRUE;
if (discont)
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
else
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DISCONT);
/* FIXME: proper flow aggregation with audio flow */
ret = gst_pad_push (decklinksrc->videosrcpad, buffer);
if (!(ret == GST_FLOW_OK || ret == GST_FLOW_NOT_LINKED ||
ret == GST_FLOW_FLUSHING)) {
GST_ELEMENT_ERROR (decklinksrc, STREAM, FAILED,
("Internal data stream error."),
("stream stopped, reason %s", gst_flow_get_name (ret)));
goto pause;
}
if (gst_pad_is_linked (decklinksrc->audiosrcpad)) {
n_samples = audio_frame->GetSampleFrameCount ();
audio_frame->GetBytes (&data);
audio_buffer = gst_buffer_new_and_alloc (n_samples * 2 * 2);
gst_buffer_fill (audio_buffer, 0, data, n_samples * 2 * 2);
GST_BUFFER_TIMESTAMP (audio_buffer) =
gst_util_uint64_scale_int (decklinksrc->num_audio_samples * GST_SECOND,
1, 48000);
/* FIXME: should be next_timestamp - timestamp for perfect stream */
GST_BUFFER_DURATION (audio_buffer) =
gst_util_uint64_scale_int (n_samples * GST_SECOND, 1, 48000);
GST_BUFFER_OFFSET (audio_buffer) = decklinksrc->num_audio_samples;
GST_BUFFER_OFFSET_END (audio_buffer) =
GST_BUFFER_OFFSET (audio_buffer) + n_samples;
decklinksrc->num_audio_samples += n_samples;
/* FIXME: proper flow aggregation with video flow */
ret = gst_pad_push (decklinksrc->audiosrcpad, audio_buffer);
if (!(ret == GST_FLOW_OK || ret == GST_FLOW_NOT_LINKED ||
ret == GST_FLOW_FLUSHING)) {
GST_ELEMENT_ERROR (decklinksrc, STREAM, FAILED,
("Internal data stream error."),
("stream stopped, reason %s", gst_flow_get_name (ret)));
goto pause;
}
}
done:
if (audio_frame)
audio_frame->Release ();
return;
pause:
{
const gchar *reason = gst_flow_get_name (ret);
GstEvent *event = NULL;
GST_DEBUG_OBJECT (decklinksrc, "pausing task, reason %s", reason);
gst_task_pause (decklinksrc->task);
if (ret == GST_FLOW_EOS) {
/* perform EOS logic (very crude, we don't even keep a GstSegment) */
event = gst_event_new_eos ();
} else if (ret == GST_FLOW_NOT_LINKED || ret < GST_FLOW_EOS) {
event = gst_event_new_eos ();
/* for fatal errors we post an error message, post the error
* first so the app knows about the error first.
* Also don't do this for FLUSHING because it happens
* due to flushing and posting an error message because of
* that is the wrong thing to do, e.g. when we're doing
* a flushing seek. */
GST_ELEMENT_ERROR (decklinksrc, STREAM, FAILED,
("Internal data flow error."),
("streaming task paused, reason %s (%d)", reason, ret));
}
if (event != NULL) {
GST_INFO_OBJECT (decklinksrc->videosrcpad, "pushing EOS event");
gst_pad_push_event (decklinksrc->videosrcpad, gst_event_ref (event));
GST_INFO_OBJECT (decklinksrc->audiosrcpad, "pushing EOS event");
gst_pad_push_event (decklinksrc->audiosrcpad, event);
}
goto done;
}
}
static GstStateChangeReturn
gst_swfdec_change_state (GstElement * element, GstStateChange transition)
{
GstSwfdec *swfdec = GST_SWFDEC (element);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
gst_adapter_clear (swfdec->adapter);
/*
gst_swfdec_vo_open (swfdec);
swfdec_decoder_new (swfdec->decoder, swfdec->accel, swfdec->vo);
swfdec->decoder->is_sequence_needed = 1;
swfdec->decoder->frame_rate_code = 0;
*/
swfdec->timestamp = 0;
swfdec->closed = FALSE;
/* reset the initial video state */
swfdec->have_format = FALSE;
swfdec->format = -1;
swfdec->width = -1;
swfdec->height = -1;
swfdec->first = TRUE;
break;
}
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
gst_task_start (swfdec->task);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
gst_task_pause (swfdec->task);
gst_task_join (swfdec->task);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
/* if we are not closed by an EOS event do so now, this cen send a few frames but
* we are prepared to not really send them (see above) */
if (!swfdec->closed) {
/*swf_close (swfdec->decoder); */
swfdec->closed = TRUE;
}
/* gst_swfdec_vo_destroy (swfdec); */
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_task_stop (swfdec->task);
gst_task_join (swfdec->task);
break;
default:
break;
}
return ret;
}
static void
gst_hls_demux_stream_loop (GstHLSDemux * demux)
{
GstFragment *fragment;
GstBuffer *buf;
GstFlowReturn ret;
GstCaps *bufcaps, *srccaps = NULL;
/* Loop for the source pad task. The task is started when we have
* received the main playlist from the source element. It tries first to
* cache the first fragments and then it waits until it has more data in the
* queue. This task is woken up when we push a new fragment to the queue or
* when we reached the end of the playlist */
if (G_UNLIKELY (demux->need_cache)) {
if (!gst_hls_demux_cache_fragments (demux))
goto cache_error;
/* we can start now the updates thread (only if on playing) */
if (GST_STATE (demux) == GST_STATE_PLAYING)
gst_task_start (demux->updates_task);
GST_INFO_OBJECT (demux, "First fragments cached successfully");
}
if (g_queue_is_empty (demux->queue)) {
if (demux->end_of_playlist)
goto end_of_playlist;
goto pause_task;
}
fragment = g_queue_pop_head (demux->queue);
buf = gst_fragment_get_buffer (fragment);
/* Figure out if we need to create/switch pads */
if (G_LIKELY (demux->srcpad))
srccaps = gst_pad_get_current_caps (demux->srcpad);
bufcaps = gst_fragment_get_caps (fragment);
if (G_UNLIKELY (!srccaps || !gst_caps_is_equal_fixed (bufcaps, srccaps)
|| demux->need_segment)) {
switch_pads (demux, bufcaps);
demux->need_segment = TRUE;
}
gst_caps_unref (bufcaps);
if (G_LIKELY (srccaps))
gst_caps_unref (srccaps);
g_object_unref (fragment);
if (demux->need_segment) {
GstSegment segment;
GstClockTime start = GST_BUFFER_PTS (buf);
start += demux->position_shift;
/* And send a newsegment */
GST_DEBUG_OBJECT (demux, "Sending new-segment. segment start:%"
GST_TIME_FORMAT, GST_TIME_ARGS (start));
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.start = start;
segment.time = start;
gst_pad_push_event (demux->srcpad, gst_event_new_segment (&segment));
demux->need_segment = FALSE;
demux->position_shift = 0;
}
ret = gst_pad_push (demux->srcpad, buf);
if (ret != GST_FLOW_OK)
goto error_pushing;
return;
end_of_playlist:
{
GST_DEBUG_OBJECT (demux, "Reached end of playlist, sending EOS");
gst_pad_push_event (demux->srcpad, gst_event_new_eos ());
gst_hls_demux_stop (demux);
return;
}
cache_error:
{
gst_task_pause (demux->stream_task);
if (!demux->cancelled) {
GST_ELEMENT_ERROR (demux, RESOURCE, NOT_FOUND,
("Could not cache the first fragments"), (NULL));
gst_hls_demux_stop (demux);
}
return;
}
error_pushing:
{
/* FIXME: handle error */
GST_DEBUG_OBJECT (demux, "Error pushing buffer: %s... stopping task",
gst_flow_get_name (ret));
gst_hls_demux_stop (demux);
return;
}
pause_task:
{
gst_task_pause (demux->stream_task);
return;
}
}
static gboolean
gst_hls_demux_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstHLSDemux *demux;
demux = GST_HLS_DEMUX (parent);
switch (event->type) {
case GST_EVENT_SEEK:
{
gdouble rate;
GstFormat format;
GstSeekFlags flags;
GstSeekType start_type, stop_type;
gint64 start, stop;
GList *walk;
GstClockTime position, current_pos, target_pos;
gint current_sequence;
GstM3U8MediaFile *file;
GST_INFO_OBJECT (demux, "Received GST_EVENT_SEEK");
if (gst_m3u8_client_is_live (demux->client)) {
GST_WARNING_OBJECT (demux, "Received seek event for live stream");
return FALSE;
}
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop);
if (format != GST_FORMAT_TIME)
return FALSE;
GST_DEBUG_OBJECT (demux, "seek event, rate: %f start: %" GST_TIME_FORMAT
" stop: %" GST_TIME_FORMAT, rate, GST_TIME_ARGS (start),
GST_TIME_ARGS (stop));
GST_M3U8_CLIENT_LOCK (demux->client);
file = GST_M3U8_MEDIA_FILE (demux->client->current->files->data);
current_sequence = file->sequence;
current_pos = 0;
target_pos = (GstClockTime) start;
for (walk = demux->client->current->files; walk; walk = walk->next) {
file = walk->data;
current_sequence = file->sequence;
if (current_pos <= target_pos
&& target_pos < current_pos + file->duration) {
break;
}
current_pos += file->duration;
}
GST_M3U8_CLIENT_UNLOCK (demux->client);
if (walk == NULL) {
GST_WARNING_OBJECT (demux, "Could not find seeked fragment");
return FALSE;
}
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "sending flush start");
gst_pad_push_event (demux->srcpad, gst_event_new_flush_start ());
}
demux->cancelled = TRUE;
gst_task_pause (demux->stream_task);
gst_uri_downloader_cancel (demux->downloader);
gst_task_stop (demux->updates_task);
gst_task_pause (demux->stream_task);
/* wait for streaming to finish */
g_rec_mutex_lock (&demux->stream_lock);
demux->need_cache = TRUE;
while (!g_queue_is_empty (demux->queue)) {
GstFragment *fragment = g_queue_pop_head (demux->queue);
g_object_unref (fragment);
}
g_queue_clear (demux->queue);
GST_M3U8_CLIENT_LOCK (demux->client);
GST_DEBUG_OBJECT (demux, "seeking to sequence %d", current_sequence);
demux->client->sequence = current_sequence;
gst_m3u8_client_get_current_position (demux->client, &position);
demux->position_shift = start - position;
demux->need_segment = TRUE;
GST_M3U8_CLIENT_UNLOCK (demux->client);
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "sending flush stop");
gst_pad_push_event (demux->srcpad, gst_event_new_flush_stop (TRUE));
}
demux->cancelled = FALSE;
gst_task_start (demux->stream_task);
g_rec_mutex_unlock (&demux->stream_lock);
return TRUE;
}
default:
break;
}
return gst_pad_event_default (pad, parent, event);
}
