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dashdemux: Reset parsing state correctly in various places

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This commit is contained in:
Sebastian Dröge 2017-04-13 17:12:26 +03:00 committed by Edward Hervey
parent 927c158303
commit c3fd905f11
1 changed files with 23 additions and 17 deletions
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40
ext/dash/gstdashdemux.c
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@ -2060,19 +2060,6 @@ gst_dash_demux_stream_advance_fragment (GstAdaptiveDemuxStream * stream)
dashstream->moof_sync_samples = NULL;
dashstream->current_sync_sample = -1;
if (gst_mpd_client_has_isoff_ondemand_profile (dashdemux->client)) {
if (gst_dash_demux_stream_advance_subfragment (stream))
return GST_FLOW_OK;
}
gst_isoff_sidx_parser_clear (&dashstream->sidx_parser);
gst_isoff_sidx_parser_init (&dashstream->sidx_parser);
dashstream->sidx_base_offset = 0;
dashstream->sidx_position = GST_CLOCK_TIME_NONE;
dashstream->allow_sidx = TRUE;
if (dashstream->adapter)
gst_adapter_clear (dashstream->adapter);
/* Check if we just need to 'advance' to the next fragment, or if we
* need to skip by more. */
if (GST_CLOCK_TIME_IS_VALID (target_time)
@ -2131,6 +2118,19 @@ gst_dash_demux_stream_advance_fragment (GstAdaptiveDemuxStream * stream)
}
} else {
/* Normal mode, advance to the next fragment */
if (gst_mpd_client_has_isoff_ondemand_profile (dashdemux->client)) {
if (gst_dash_demux_stream_advance_subfragment (stream))
return GST_FLOW_OK;
}
if (dashstream->adapter)
gst_adapter_clear (dashstream->adapter);
gst_isoff_sidx_parser_clear (&dashstream->sidx_parser);
dashstream->sidx_base_offset = 0;
dashstream->sidx_position = GST_CLOCK_TIME_NONE;
dashstream->allow_sidx = TRUE;
ret = gst_mpd_client_advance_segment (dashdemux->client,
dashstream->active_stream, stream->demux->segment.rate > 0.0);
}
@ -2252,6 +2252,7 @@ gst_dash_demux_stream_select_bitrate (GstAdaptiveDemuxStream * stream,
g_array_free (dashstream->moof_sync_samples, TRUE);
dashstream->moof_sync_samples = NULL;
dashstream->current_sync_sample = -1;
dashstream->target_time = GST_CLOCK_TIME_NONE;
}
end:
@ -2663,13 +2664,15 @@ gst_dash_demux_need_another_chunk (GstAdaptiveDemuxStream * stream)
if (dashstream->first_sync_sample_always_after_moof) {
gboolean first = FALSE;
/* Check if we'll really need that first sample */
if (GST_CLOCK_TIME_IS_VALID (dashstream->target_time))
if (GST_CLOCK_TIME_IS_VALID (dashstream->target_time)) {
first =
((dashstream->target_time -
dashstream->current_fragment_timestamp) /
dashstream->keyframe_average_distance) == 0 ? TRUE : FALSE;
else if (stream->segment.rate > 0)
} else if (stream->segment.rate > 0) {
first = TRUE;
}
if (first)
stream->fragment.chunk_size += dashstream->keyframe_average_size;
}
@ -3238,13 +3241,16 @@ gst_dash_demux_handle_isobmff (GstAdaptiveDemux * demux,
if (dash_stream->active_stream->mimeType == GST_STREAM_VIDEO
&& gst_dash_demux_find_sync_samples (demux, stream) &&
GST_ADAPTIVE_DEMUX_IN_TRICKMODE_KEY_UNITS (stream->demux)) {
guint idx = 0;
guint idx = -1;
if (GST_CLOCK_TIME_IS_VALID (dash_stream->target_time))
if (GST_CLOCK_TIME_IS_VALID (dash_stream->target_time)) {
idx =
(dash_stream->target_time -
dash_stream->current_fragment_timestamp) /
dash_stream->current_fragment_keyframe_distance;
} else if (stream->segment.rate > 0) {
idx = 0;
}
GST_DEBUG_OBJECT (stream->pad, "target %" GST_TIME_FORMAT " idx %d",
GST_TIME_ARGS (dash_stream->target_time), idx);