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 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 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;
GST_TASK_WAIT (demux->task);
/* If the queue is still empty check again if it's the end of the
* playlist in case we reached it after beeing woken up */
if (g_queue_is_empty (demux->queue) && demux->end_of_playlist)
goto end_of_playlist;
}
buf = g_queue_pop_head (demux->queue);
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_ELEMENT_ERROR (demux, RESOURCE, NOT_FOUND,
("Could not cache the first fragments"), NULL);
gst_hls_demux_stop (demux);
return;
}
error:
{
/* FIXME: handle error */
gst_hls_demux_stop (demux);
return;
}
}
