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mpegvideoparse: Make sure the buffer is writable before we add the MPEG video meta

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=702174
This commit is contained in:
Sebastian Dröge 2013-06-14 14:52:07 +02:00
parent 36e3426c73
commit d50625eeb0
1 changed files with 11 additions and 3 deletions
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14
gst/videoparsers/gstmpegvideoparse.c
View file

@ -894,6 +894,8 @@ gst_mpegv_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
frame->flags |= GST_BASE_PARSE_FRAME_FLAG_CLIP;
if (mpvparse->send_mpeg_meta) {
GstBuffer *buf;
if (mpvparse->seqhdr_updated)
seq_hdr = &mpvparse->sequencehdr;
if (mpvparse->seqext_updated)
@ -909,10 +911,16 @@ gst_mpegv_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
GST_DEBUG_OBJECT (mpvparse,
"Adding GstMpegVideoMeta (slice_count:%d, slice_offset:%d)",
mpvparse->slice_count, mpvparse->slice_offset);
if (frame->out_buffer) {
buf = frame->out_buffer = gst_buffer_make_writable (frame->out_buffer);
} else {
buf = frame->buffer = gst_buffer_make_writable (frame->buffer);
}
meta =
gst_buffer_add_mpeg_video_meta (frame->out_buffer ? frame->
out_buffer : frame->buffer, seq_hdr, seq_ext, disp_ext, pic_hdr,
pic_ext, quant_ext);
gst_buffer_add_mpeg_video_meta (buf, seq_hdr, seq_ext, disp_ext,
pic_hdr, pic_ext, quant_ext);
meta->num_slices = mpvparse->slice_count;
meta->slice_offset = mpvparse->slice_offset;
}