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dashdemux: Subtract the period start time from the presentation offset

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We're interested in the offset between the period start timestamp and the
actual media timestamp so that we can properly correct for it. The absolute
presentation offset to timestamp 0 is useless as the only thing we really
care about is the offset between the current fragment timestamp and the
media timestamp.
This commit is contained in:
Sebastian Dröge 2015-06-25 23:24:50 +02:00
parent 95eb1aa49c
commit 626a8f0a74
1 changed files with 5 additions and 1 deletions
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6
ext/dash/gstmpdparser.c
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@ -3761,13 +3761,17 @@ gst_mpd_parser_get_stream_presentation_offset (GstMpdClient * client,
guint stream_idx)
{
GstActiveStream *stream = NULL;
GstStreamPeriod *stream_period = gst_mpdparser_get_stream_period (client);
g_return_val_if_fail (client != NULL, FALSE);
g_return_val_if_fail (client->active_streams != NULL, FALSE);
stream = g_list_nth_data (client->active_streams, stream_idx);
g_return_val_if_fail (stream != NULL, FALSE);
return stream->presentationTimeOffset;
if (stream->presentationTimeOffset > stream_period->start)
return stream->presentationTimeOffset - stream_period->start;
else
return 0;
}
gboolean