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qtdemux: Discard 2 byte subpicture packets

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As for text subtitles and as suggested in #712643, throw
away the 2 byte terminator packets that some encoders insert.

This will make things better when remuxing and causes generation
of gap events.
This commit is contained in:
Jan Schmidt 2013-11-25 12:13:43 +11:00
parent 901ec63462
commit fdfc6a2a86
1 changed files with 8 additions and 4 deletions
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12
gst/isomp4/qtdemux.c
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@ -3940,12 +3940,11 @@ gst_qtdemux_process_buffer (GstQTDemux * qtdemux, QtDemuxStream * stream,
if (stream->pending_event && stream->pad)
gst_pad_push_event (stream->pad, stream->pending_event);
stream->pending_event = NULL;
/* no further processing needed */
stream->need_process = FALSE;
}
if (G_UNLIKELY (stream->subtype != FOURCC_text
&& stream->subtype != FOURCC_sbtl)) {
&& stream->subtype != FOURCC_sbtl &&
stream->subtype != FOURCC_subp)) {
return buf;
}
@ -3957,6 +3956,11 @@ gst_qtdemux_process_buffer (GstQTDemux * qtdemux, QtDemuxStream * stream,
gst_buffer_unref (buf);
return NULL;
}
if (stream->subtype == FOURCC_subp) {
/* That's all the processing needed for subpictures */
gst_buffer_unmap (buf, &map);
return buf;
}
nsize = GST_READ_UINT16_BE (map.data);
nsize = MIN (nsize, map.size - 2);
@ -10157,7 +10161,6 @@ gst_qtdemux_handle_esds (GstQTDemux * qtdemux, QtDemuxStream * stream,
/* store event and trigger custom processing */
stream->pending_event =
gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
stream->need_process = TRUE;
} else {
/* Generic codec_data handler puts it on the caps */
data_ptr = ptr;
@ -10989,6 +10992,7 @@ qtdemux_sub_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
case GST_MAKE_FOURCC ('m', 'p', '4', 's'):
_codec ("DVD subtitle");
caps = gst_caps_new_empty_simple ("subpicture/x-dvd");
stream->need_process = TRUE;
break;
case GST_MAKE_FOURCC ('t', 'e', 'x', 't'):
_codec ("Quicktime timed text");