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hlsdemux: Only use the primary stream for bitrate selection.

Browse source 
When playing alternate rendition auxilliary streams, ignore
them in bitrate measurement (for now).
This commit is contained in:
Jan Schmidt 2016-03-05 03:08:55 +11:00
parent e91bddbcfd
commit d9daa5d0b3
2 changed files with 20 additions and 4 deletions
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23
ext/hls/gsthlsdemux.c
View file

@ -430,7 +430,7 @@ gst_hls_demux_update_manifest (GstAdaptiveDemux * demux)
static void
create_stream_for_playlist (GstAdaptiveDemux * demux, GstM3U8 * playlist,
gboolean selected)
gboolean is_primary_playlist, gboolean selected)
{
GstHLSDemux *hlsdemux = GST_HLS_DEMUX_CAST (demux);
GstHLSDemuxStream *hlsdemux_stream;
@ -447,6 +447,7 @@ create_stream_for_playlist (GstAdaptiveDemux * demux, GstM3U8 * playlist,
hlsdemux_stream = GST_HLS_DEMUX_STREAM_CAST (stream);
hlsdemux_stream->playlist = gst_m3u8_ref (playlist);
hlsdemux_stream->is_primary_playlist = is_primary_playlist;
hlsdemux_stream->do_typefind = TRUE;
hlsdemux_stream->reset_pts = TRUE;
@ -467,7 +468,7 @@ gst_hls_demux_setup_streams (GstAdaptiveDemux * demux)
gst_hls_demux_clear_all_pending_data (hlsdemux);
/* 1 output for the main playlist */
create_stream_for_playlist (demux, playlist->m3u8, TRUE);
create_stream_for_playlist (demux, playlist->m3u8, TRUE, TRUE);
for (i = 0; i < GST_HLS_N_MEDIA_TYPES; ++i) {
GList *mlist = playlist->media[i];
@ -484,7 +485,7 @@ gst_hls_demux_setup_streams (GstAdaptiveDemux * demux)
}
GST_LOG_OBJECT (demux, "media of type %d - %s, uri: %s", i,
media->name, media->uri);
create_stream_for_playlist (demux, media->playlist,
create_stream_for_playlist (demux, media->playlist, FALSE,
(media->mtype == GST_HLS_MEDIA_TYPE_VIDEO ||
media->mtype == GST_HLS_MEDIA_TYPE_AUDIO));
@ -563,6 +564,7 @@ gst_hls_demux_process_manifest (GstAdaptiveDemux * demux, GstBuffer * buf)
return FALSE;
}
GST_M3U8_CLIENT_LOCK (self);
hlsdemux->master = gst_hls_master_playlist_new_from_data (playlist,
gst_adaptive_demux_get_manifest_ref_uri (demux));
@ -572,6 +574,7 @@ gst_hls_demux_process_manifest (GstAdaptiveDemux * demux, GstBuffer * buf)
* the playlist */
GST_ELEMENT_ERROR (demux, STREAM, DECODE, ("Invalid playlist."),
("Could not parse playlist. Check if the URL is correct."));
GST_M3U8_CLIENT_UNLOCK (self);
return FALSE;
}
@ -594,9 +597,11 @@ gst_hls_demux_process_manifest (GstAdaptiveDemux * demux, GstBuffer * buf)
if (!gst_hls_demux_update_playlist (hlsdemux, FALSE, &err)) {
GST_ELEMENT_ERROR_FROM_ERROR (demux, "Could not fetch media playlist",
err);
GST_M3U8_CLIENT_UNLOCK (self);
return FALSE;
}
}
GST_M3U8_CLIENT_UNLOCK (self);
return gst_hls_demux_setup_streams (demux);
}
@ -992,15 +997,23 @@ gst_hls_demux_select_bitrate (GstAdaptiveDemuxStream * stream, guint64 bitrate)
{
GstAdaptiveDemux *demux = GST_ADAPTIVE_DEMUX_CAST (stream->demux);
GstHLSDemux *hlsdemux = GST_HLS_DEMUX_CAST (stream->demux);
GstHLSDemuxStream *hls_stream = GST_HLS_DEMUX_STREAM_CAST (stream);
gboolean changed = FALSE;
GST_M3U8_CLIENT_LOCK (hlsdemux->client);
if (hlsdemux->master->is_simple) {
if (hlsdemux->master == NULL || hlsdemux->master->is_simple) {
GST_M3U8_CLIENT_UNLOCK (hlsdemux->client);
return FALSE;
}
GST_M3U8_CLIENT_UNLOCK (hlsdemux->client);
if (hls_stream->is_primary_playlist == FALSE) {
GST_LOG_OBJECT (stream,
"Not choosing new bitrate - not the primary stream");
return FALSE;
}
/* Bitrate adaptation during trick modes does not work well */
if (demux->segment.rate != 1.0)
return FALSE;
@ -1016,6 +1029,7 @@ gst_hls_demux_reset (GstAdaptiveDemux * ademux)
{
GstHLSDemux *demux = GST_HLS_DEMUX_CAST (ademux);
GST_M3U8_CLIENT_LOCK (hlsdemux->client);
if (demux->master) {
gst_hls_master_playlist_unref (demux->master);
demux->master = NULL;
@ -1027,6 +1041,7 @@ gst_hls_demux_reset (GstAdaptiveDemux * ademux)
demux->srcpad_counter = 0;
gst_hls_demux_clear_all_pending_data (demux);
GST_M3U8_CLIENT_UNLOCK (hlsdemux->client);
}
static gchar *

1
ext/hls/gsthlsdemux.h
View file

@ -66,6 +66,7 @@ struct _GstHLSDemuxStream
GstAdaptiveDemux adaptive_demux_stream;
GstM3U8 *playlist;
gboolean is_primary_playlist;
gboolean do_typefind; /* Whether we need to typefind the next buffer */
GstBuffer *pending_typefind_buffer; /* for collecting data until typefind succeeds */