static GstPadProbeReturn
gst_hls_sink_ghost_buffer_probe (GstPad * pad, GstPadProbeInfo * info,
gpointer data)
{
GstHlsSink *sink = GST_HLS_SINK_CAST (data);
GstBuffer *buffer = gst_pad_probe_info_get_buffer (info);
if (sink->target_duration == 0 || sink->waiting_fku)
return GST_PAD_PROBE_OK;
gst_hls_sink_check_schedule_next_key_unit (sink, buffer);
return GST_PAD_PROBE_OK;
}
static GstPadProbeReturn
handle_output (GstPad * pad, GstPadProbeInfo * info, StreamInfo * si)
{
GstClockTime start, end;
GstBuffer *buf;
GST_LOG_OBJECT (pad, "Fired probe type 0x%x", info->type);
if (info->type & GST_PAD_PROBE_TYPE_BUFFER_LIST) {
g_warning ("Buffer list handling not implemented");
return GST_PAD_PROBE_DROP;
}
if (info->type & GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) {
GstEvent *event = gst_pad_probe_info_get_event (info);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &si->seg);
break;
case GST_EVENT_EOS:
dump_times (si);
break;
default:
break;
}
return GST_PAD_PROBE_PASS;
}
buf = gst_pad_probe_info_get_buffer (info);
if (!GST_BUFFER_PTS_IS_VALID (buf))
goto done;
end = start = GST_BUFFER_PTS (buf);
if (GST_BUFFER_DURATION_IS_VALID (buf))
end += GST_BUFFER_DURATION (buf);
gst_segment_clip (&si->seg, GST_FORMAT_TIME, start, end, &start, &end);
start = gst_segment_to_stream_time (&si->seg, GST_FORMAT_TIME, start);
end = gst_segment_to_stream_time (&si->seg, GST_FORMAT_TIME, end);
GST_DEBUG_OBJECT (pad, "new buffer %" GST_TIME_FORMAT
" to %" GST_TIME_FORMAT, GST_TIME_ARGS (start), GST_TIME_ARGS (end));
/* Now extend measured time range to include new times */
extend_times (si, start, end);
done:
return GST_PAD_PROBE_PASS;
}
static GstPadProbeReturn
gst_hls_sink_ghost_buffer_probe (GstPad * pad, GstPadProbeInfo * info,
gpointer data)
{
GstHlsSink *sink = GST_HLS_SINK_CAST (data);
GstBuffer *buffer = gst_pad_probe_info_get_buffer (info);
GstClockTime timestamp;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
if (sink->target_duration == 0 || !GST_CLOCK_TIME_IS_VALID (timestamp)
|| sink->waiting_fku)
return GST_PAD_PROBE_OK;
sink->last_running_time = gst_segment_to_running_time (&sink->segment,
GST_FORMAT_TIME, timestamp);
schedule_next_key_unit (sink);
return GST_PAD_PROBE_OK;
}
static GstPadProbeReturn
handle_mq_input (GstPad * pad, GstPadProbeInfo * info, MqStreamCtx * ctx)
{
GstSplitMuxSink *splitmux = ctx->splitmux;
GstBuffer *buf;
MqStreamBuf *buf_info = NULL;
GstClockTime ts;
gboolean loop_again;
gboolean keyframe = FALSE;
GST_LOG_OBJECT (pad, "Fired probe type 0x%x\n", info->type);
/* FIXME: Handle buffer lists, until then make it clear they won't work */
if (info->type & GST_PAD_PROBE_TYPE_BUFFER_LIST) {
g_warning ("Buffer list handling not implemented");
return GST_PAD_PROBE_DROP;
}
if (info->type & GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) {
GstEvent *event = gst_pad_probe_info_get_event (info);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &ctx->in_segment);
break;
case GST_EVENT_FLUSH_STOP:
GST_SPLITMUX_LOCK (splitmux);
gst_segment_init (&ctx->in_segment, GST_FORMAT_UNDEFINED);
ctx->in_eos = FALSE;
ctx->in_bytes = 0;
ctx->in_running_time = 0;
GST_SPLITMUX_UNLOCK (splitmux);
break;
case GST_EVENT_EOS:
GST_SPLITMUX_LOCK (splitmux);
ctx->in_eos = TRUE;
if (splitmux->state == SPLITMUX_STATE_STOPPED)
goto beach;
if (ctx->is_video) {
GST_INFO_OBJECT (splitmux, "Got Video EOS. Finishing up");
/* Act as if this is a new keyframe with infinite timestamp */
splitmux->max_in_running_time = GST_CLOCK_TIME_NONE;
splitmux->state = SPLITMUX_STATE_WAITING_GOP_COMPLETE;
/* Wake up other input pads to collect this GOP */
GST_SPLITMUX_BROADCAST (splitmux);
check_completed_gop (splitmux, ctx);
} else if (splitmux->state == SPLITMUX_STATE_WAITING_GOP_COMPLETE) {
/* If we are waiting for a GOP to be completed (ie, for aux
* pads to catch up), then this pad is complete, so check
* if the whole GOP is.
*/
check_completed_gop (splitmux, ctx);
}
GST_SPLITMUX_UNLOCK (splitmux);
break;
default:
break;
}
return GST_PAD_PROBE_PASS;
}
buf = gst_pad_probe_info_get_buffer (info);
ctx->in_running_time = gst_segment_to_running_time (&ctx->in_segment,
GST_FORMAT_TIME, GST_BUFFER_TIMESTAMP (buf));
buf_info = mq_stream_buf_new ();
if (GST_BUFFER_PTS_IS_VALID (buf))
ts = GST_BUFFER_PTS (buf);
else
ts = GST_BUFFER_DTS (buf);
GST_SPLITMUX_LOCK (splitmux);
if (splitmux->state == SPLITMUX_STATE_STOPPED)
goto beach;
/* If this buffer has a timestamp, advance the input timestamp of the
* stream */
if (GST_CLOCK_TIME_IS_VALID (ts)) {
GstClockTime running_time =
gst_segment_to_running_time (&ctx->in_segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buf));
if (GST_CLOCK_TIME_IS_VALID (running_time) &&
(ctx->in_running_time == GST_CLOCK_TIME_NONE
|| running_time > ctx->in_running_time))
ctx->in_running_time = running_time;
}
/* Try to make sure we have a valid running time */
if (!GST_CLOCK_TIME_IS_VALID (ctx->in_running_time)) {
ctx->in_running_time =
gst_segment_to_running_time (&ctx->in_segment, GST_FORMAT_TIME,
ctx->in_segment.start);
}
buf_info->run_ts = ctx->in_running_time;
buf_info->buf_size = gst_buffer_get_size (buf);
/* Update total input byte counter for overflow detect */
ctx->in_bytes += buf_info->buf_size;
GST_DEBUG_OBJECT (pad, "Buf TS %" GST_TIME_FORMAT
" total in_bytes %" G_GSIZE_FORMAT,
GST_TIME_ARGS (buf_info->run_ts), ctx->in_bytes);
loop_again = TRUE;
do {
if (ctx->flushing)
break;
switch (splitmux->state) {
case SPLITMUX_STATE_COLLECTING_GOP_START:
if (ctx->is_video) {
/* If a keyframe, we have a complete GOP */
if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT) ||
!GST_CLOCK_TIME_IS_VALID (ctx->in_running_time) ||
splitmux->max_in_running_time >= ctx->in_running_time) {
/* Pass this buffer through */
loop_again = FALSE;
break;
}
GST_INFO_OBJECT (pad,
"Have keyframe with running time %" GST_TIME_FORMAT,
GST_TIME_ARGS (ctx->in_running_time));
keyframe = TRUE;
splitmux->state = SPLITMUX_STATE_WAITING_GOP_COMPLETE;
splitmux->max_in_running_time = ctx->in_running_time;
/* Wake up other input pads to collect this GOP */
GST_SPLITMUX_BROADCAST (splitmux);
check_completed_gop (splitmux, ctx);
} else {
/* We're still waiting for a keyframe on the video pad, sleep */
GST_LOG_OBJECT (pad, "Sleeping for GOP start");
GST_SPLITMUX_WAIT (splitmux);
GST_LOG_OBJECT (pad, "Done sleeping for GOP start state now %d",
splitmux->state);
}
break;
case SPLITMUX_STATE_WAITING_GOP_COMPLETE:
/* After a GOP start is found, this buffer might complete the GOP */
/* If we overran the target timestamp, it might be time to process
* the GOP, otherwise bail out for more data
*/
GST_LOG_OBJECT (pad,
"Checking TS %" GST_TIME_FORMAT " against max %" GST_TIME_FORMAT,
GST_TIME_ARGS (ctx->in_running_time),
GST_TIME_ARGS (splitmux->max_in_running_time));
if (ctx->in_running_time < splitmux->max_in_running_time) {
loop_again = FALSE;
break;
}
GST_LOG_OBJECT (pad,
"Collected last packet of GOP. Checking other pads");
check_completed_gop (splitmux, ctx);
break;
case SPLITMUX_STATE_ENDING_FILE:
case SPLITMUX_STATE_START_NEXT_FRAGMENT:
/* A fragment is ending, wait until that's done before continuing */
GST_DEBUG_OBJECT (pad, "Sleeping for fragment restart");
GST_SPLITMUX_WAIT (splitmux);
GST_DEBUG_OBJECT (pad,
"Done sleeping for fragment restart state now %d", splitmux->state);
break;
default:
loop_again = FALSE;
break;
}
} while (loop_again);
if (keyframe) {
splitmux->queued_gops++;
buf_info->keyframe = TRUE;
}
/* Now add this buffer to the queue just before returning */
g_queue_push_head (&ctx->queued_bufs, buf_info);
/* Check the buffer will fit in the mq */
check_queue_length (splitmux, ctx);
GST_LOG_OBJECT (pad, "Returning to queue buffer %" GST_PTR_FORMAT
" run ts %" GST_TIME_FORMAT, buf, GST_TIME_ARGS (ctx->in_running_time));
GST_SPLITMUX_UNLOCK (splitmux);
return GST_PAD_PROBE_PASS;
beach:
GST_SPLITMUX_UNLOCK (splitmux);
if (buf_info)
mq_stream_buf_free (buf_info);
return GST_PAD_PROBE_PASS;
}
static GstPadProbeReturn
handle_mq_output (GstPad * pad, GstPadProbeInfo * info, MqStreamCtx * ctx)
{
GstSplitMuxSink *splitmux = ctx->splitmux;
MqStreamBuf *buf_info = NULL;
GST_LOG_OBJECT (pad, "Fired probe type 0x%x\n", info->type);
/* FIXME: Handle buffer lists, until then make it clear they won't work */
if (info->type & GST_PAD_PROBE_TYPE_BUFFER_LIST) {
g_warning ("Buffer list handling not implemented");
return GST_PAD_PROBE_DROP;
}
if (info->type & GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) {
GstEvent *event = gst_pad_probe_info_get_event (info);
GST_LOG_OBJECT (pad, "Event %" GST_PTR_FORMAT, event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &ctx->out_segment);
break;
case GST_EVENT_FLUSH_STOP:
GST_SPLITMUX_LOCK (splitmux);
gst_segment_init (&ctx->out_segment, GST_FORMAT_UNDEFINED);
g_queue_foreach (&ctx->queued_bufs, (GFunc) mq_stream_buf_free, NULL);
g_queue_clear (&ctx->queued_bufs);
ctx->flushing = FALSE;
GST_SPLITMUX_UNLOCK (splitmux);
break;
case GST_EVENT_FLUSH_START:
GST_SPLITMUX_LOCK (splitmux);
GST_LOG_OBJECT (pad, "Flush start");
ctx->flushing = TRUE;
GST_SPLITMUX_BROADCAST (splitmux);
GST_SPLITMUX_UNLOCK (splitmux);
break;
case GST_EVENT_EOS:
GST_SPLITMUX_LOCK (splitmux);
if (splitmux->state == SPLITMUX_STATE_STOPPED)
goto beach;
ctx->out_eos = TRUE;
GST_SPLITMUX_UNLOCK (splitmux);
break;
case GST_EVENT_GAP:{
GstClockTime gap_ts;
gst_event_parse_gap (event, &gap_ts, NULL);
if (gap_ts == GST_CLOCK_TIME_NONE)
break;
GST_SPLITMUX_LOCK (splitmux);
gap_ts = gst_segment_to_running_time (&ctx->out_segment,
GST_FORMAT_TIME, gap_ts);
GST_LOG_OBJECT (pad, "Have GAP w/ ts %" GST_TIME_FORMAT,
GST_TIME_ARGS (gap_ts));
if (splitmux->state == SPLITMUX_STATE_STOPPED)
goto beach;
ctx->out_running_time = gap_ts;
complete_or_wait_on_out (splitmux, ctx);
GST_SPLITMUX_UNLOCK (splitmux);
break;
}
default:
break;
}
return GST_PAD_PROBE_PASS;
}
/* Allow everything through until the configured next stopping point */
GST_SPLITMUX_LOCK (splitmux);
buf_info = g_queue_pop_tail (&ctx->queued_bufs);
if (buf_info == NULL)
/* Can only happen due to a poorly timed flush */
goto beach;
/* If we have popped a keyframe, decrement the queued_gop count */
if (buf_info->keyframe && splitmux->queued_gops > 0)
splitmux->queued_gops--;
ctx->out_running_time = buf_info->run_ts;
GST_LOG_OBJECT (splitmux,
"Pad %" GST_PTR_FORMAT " buffer with TS %" GST_TIME_FORMAT
" size %" G_GSIZE_FORMAT,
pad, GST_TIME_ARGS (ctx->out_running_time), buf_info->buf_size);
complete_or_wait_on_out (splitmux, ctx);
if (splitmux->muxed_out_time == GST_CLOCK_TIME_NONE ||
splitmux->muxed_out_time < buf_info->run_ts)
splitmux->muxed_out_time = buf_info->run_ts;
splitmux->muxed_out_bytes += buf_info->buf_size;
#ifndef GST_DISABLE_GST_DEBUG
{
GstBuffer *buf = gst_pad_probe_info_get_buffer (info);
GST_LOG_OBJECT (pad, "Returning to pass buffer %" GST_PTR_FORMAT
" run ts %" GST_TIME_FORMAT, buf,
GST_TIME_ARGS (ctx->out_running_time));
}
#endif
GST_SPLITMUX_UNLOCK (splitmux);
mq_stream_buf_free (buf_info);
return GST_PAD_PROBE_PASS;
beach:
GST_SPLITMUX_UNLOCK (splitmux);
return GST_PAD_PROBE_DROP;
}
GstPadProbeReturn GstEnginePipeline::HandoffCallback(GstPad*,
GstPadProbeInfo* info,
gpointer self) {
GstEnginePipeline* instance = reinterpret_cast<GstEnginePipeline*>(self);
GstBuffer* buf = gst_pad_probe_info_get_buffer(info);
QList<BufferConsumer*> consumers;
{
QMutexLocker l(&instance->buffer_consumers_mutex_);
consumers = instance->buffer_consumers_;
}
for (BufferConsumer* consumer : consumers) {
gst_buffer_ref(buf);
consumer->ConsumeBuffer(buf, instance->id());
}
// Calculate the end time of this buffer so we can stop playback if it's
// after the end time of this song.
if (instance->end_offset_nanosec_ > 0) {
quint64 start_time = GST_BUFFER_TIMESTAMP(buf) - instance->segment_start_;
quint64 duration = GST_BUFFER_DURATION(buf);
quint64 end_time = start_time + duration;
if (end_time > instance->end_offset_nanosec_) {
if (instance->has_next_valid_url()) {
if (instance->next_url_ == instance->url_ &&
instance->next_beginning_offset_nanosec_ ==
instance->end_offset_nanosec_) {
// The "next" song is actually the next segment of this file - so
// cheat and keep on playing, but just tell the Engine we've moved on.
instance->end_offset_nanosec_ = instance->next_end_offset_nanosec_;
instance->next_url_ = QUrl();
instance->next_beginning_offset_nanosec_ = 0;
instance->next_end_offset_nanosec_ = 0;
// GstEngine will try to seek to the start of the new section, but
// we're already there so ignore it.
instance->ignore_next_seek_ = true;
emit instance->EndOfStreamReached(instance->id(), true);
} else {
// We have a next song but we can't cheat, so move to it normally.
instance->TransitionToNext();
}
} else {
// There's no next song
emit instance->EndOfStreamReached(instance->id(), false);
}
}
}
if (instance->emit_track_ended_on_time_discontinuity_) {
if (GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLAG_DISCONT) ||
GST_BUFFER_OFFSET(buf) < instance->last_buffer_offset_) {
qLog(Debug) << "Buffer discontinuity - emitting EOS";
instance->emit_track_ended_on_time_discontinuity_ = false;
emit instance->EndOfStreamReached(instance->id(), true);
}
}
instance->last_buffer_offset_ = GST_BUFFER_OFFSET(buf);
return GST_PAD_PROBE_OK;
}
