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Renamed gst_dash_demux_switch_playlist to gst_dash_demux_select_representation and added comments

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This commit is contained in:
David Corvoysier 2012-10-15 11:33:58 +02:00 committed by Thiago Santos
parent 204ea9fc67
commit ad22e0da6d
1 changed files with 12 additions and 4 deletions
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16
ext/dash/gstdashdemux.c
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@ -102,7 +102,7 @@ static void gst_dash_demux_pause_stream_task (GstDashDemux * demux);
static void gst_dash_demux_resume_stream_task (GstDashDemux * demux);
static void gst_dash_demux_resume_download_task (GstDashDemux * demux);
static gboolean gst_dash_demux_schedule (GstDashDemux * demux);
static gboolean gst_dash_demux_switch_playlist (GstDashDemux * demux,
static gboolean gst_dash_demux_select_representation (GstDashDemux * demux,
guint64 current_bitrate);
static gboolean gst_dash_demux_get_next_fragment (GstDashDemux * demux,
gboolean caching);
@ -982,7 +982,7 @@ gst_dash_demux_download_loop (GstDashDemux * demux)
/* fetch the next fragment */
/* try to switch to another bitrate if needed */
gst_dash_demux_switch_playlist (demux,
gst_dash_demux_select_representation (demux,
demux->bandwidth_usage * demux->dnl_rate *
gst_dash_demux_get_buffering_ratio (demux));
@ -1053,8 +1053,15 @@ gst_dash_demux_schedule (GstDashDemux * demux)
return TRUE;
}
/* gst_dash_demux_select_representation:
*
* Select the most appropriate media representation based on a target
* bitrate.
*
* Returns TRUE if a new representation has been selected
*/
static gboolean
gst_dash_demux_switch_playlist (GstDashDemux * demux, guint64 bitrate)
gst_dash_demux_select_representation (GstDashDemux * demux, guint64 bitrate)
{
GstActiveStream *stream = NULL;
GList *rep_list = NULL;
@ -1078,8 +1085,9 @@ gst_dash_demux_switch_playlist (GstDashDemux * demux, guint64 bitrate)
new_index =
gst_mpdparser_get_rep_idx_with_max_bandwidth (rep_list, bitrate);
/* if no representation has the required bandwidth, take the lowest one */
if (new_index == -1)
new_index = 0; /* if no representation has the required bandwidth, take the lowest one */
new_index = 0;
if (new_index != stream->representation_idx) {
GST_MPD_CLIENT_LOCK (demux->client);