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adaptivedemux2: Handle more async stream cases

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Handle BUSY flow returns when making calls from external threads, and inhibit
fragment downloads during stream prepare

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
This commit is contained in:
Jan Schmidt 2022-12-31 23:26:03 +11:00 committed by GStreamer Marge Bot
parent 7b3a1bac0a
commit 93d92d5ddf
1 changed files with 17 additions and 9 deletions
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26
subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemux.c
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@ -943,6 +943,8 @@ gst_adaptive_demux_post_collection (GstAdaptiveDemux * demux)
return TRUE;
}
/* Called from the sinkpad's input thread with
* the SCHEDULER lock held */
static gboolean
handle_incoming_manifest (GstAdaptiveDemux * demux)
{
@ -1053,9 +1055,9 @@ handle_incoming_manifest (GstAdaptiveDemux * demux)
gst_adaptive_demux_post_collection (demux);
TRACKS_UNLOCK (demux);
gst_adaptive_demux_set_streams_can_download_fragments (demux, FALSE);
gst_adaptive_demux_prepare_streams (demux,
gst_adaptive_demux_is_live (demux));
gst_adaptive_demux_set_streams_can_download_fragments (demux, TRUE);
gst_adaptive_demux_start_tasks (demux);
gst_adaptive_demux_start_manifest_update_task (demux);
@ -1667,8 +1669,12 @@ gst_adaptive_demux_prepare_streams (GstAdaptiveDemux * demux,
for (iter = new_streams; iter; iter = g_list_next (iter)) {
GstAdaptiveDemux2Stream *stream = iter->data;
gboolean is_selected =
gst_adaptive_demux2_stream_is_selected_locked (stream);
GST_DEBUG_OBJECT (stream, "Preparing stream");
GST_DEBUG_OBJECT (stream,
"Preparing stream. Is selected: %d pending_tracks: %d", is_selected,
stream->pending_tracks);
stream->need_header = TRUE;
stream->discont = TRUE;
@ -1677,9 +1683,7 @@ gst_adaptive_demux_prepare_streams (GstAdaptiveDemux * demux,
* * If the stream is selected
* * Or it provides dynamic tracks (in which case we need to force an update)
*/
if (first_and_live
&& (gst_adaptive_demux2_stream_is_selected_locked (stream)
|| stream->pending_tracks)) {
if (first_and_live && (is_selected || stream->pending_tracks)) {
/* TODO we only need the first timestamp, maybe create a simple function to
* get the current PTS of a fragment ? */
GST_DEBUG_OBJECT (stream, "Calling update_fragment_info");
@ -2383,6 +2387,7 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
GST_ADAPTIVE_DEMUX_SEGMENT_UNLOCK (demux);
/* Restart the demux */
gst_adaptive_demux_set_streams_can_download_fragments (demux, TRUE);
gst_adaptive_demux_start_tasks (demux);
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
@ -2767,7 +2772,7 @@ gst_adaptive_demux_scheduler_start_cb (GstAdaptiveDemux * demux)
return FALSE;
}
/* must be called with manifest_lock taken */
/* must be called with the scheduler lock */
static void
gst_adaptive_demux_start_tasks (GstAdaptiveDemux * demux)
{
@ -2952,6 +2957,12 @@ gst_adaptive_demux_manifest_update_cb (GstAdaptiveDemux * demux)
}
demux->priv->stream_waiting_for_manifest = FALSE;
}
} else if (ret == GST_ADAPTIVE_DEMUX_FLOW_LOST_SYNC) {
schedule_again = FALSE;
gst_adaptive_demux_handle_lost_sync (demux);
} else if (ret == GST_ADAPTIVE_DEMUX_FLOW_BUSY) {
/* This is not an error, we'll just try again later */
GST_LOG_OBJECT (demux, "Manifest update returned BUSY / ongoing");
} else {
demux->priv->update_failed_count++;
@ -2966,9 +2977,6 @@ gst_adaptive_demux_manifest_update_cb (GstAdaptiveDemux * demux)
}
}
if (ret == GST_ADAPTIVE_DEMUX_FLOW_LOST_SYNC)
gst_adaptive_demux_handle_lost_sync (demux);
if (schedule_again) {
GstAdaptiveDemuxClass *klass = GST_ADAPTIVE_DEMUX_GET_CLASS (demux);