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codecparsers: mpeg4: actually return full number of bits of resync marker

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Switch the increment of markersize from when it is used to when it is
returned from compute_resync_marker_size.

This also makes the CHECK_REMAINING in gst_mpeg4_parse_video_packet_header
check for the actually required number of bits now and not one too few.

https://bugzilla.gnome.org/show_bug.cgi?id=739345
This commit is contained in:
Luis de Bethencourt 2014-10-29 15:03:04 +00:00 committed by Tim-Philipp Müller
parent b14fb383ed
commit 417db39d0d
1 changed files with 2 additions and 2 deletions
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4
gst-libs/gst/codecparsers/gstmpeg4parser.c
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@ -347,7 +347,7 @@ compute_resync_marker_size (const GstMpeg4VideoObjectPlane * vop,
} }
} }
return off++; /* Take the following 1 into account */ return off + 1; /* Take the following 1 into account */
} }
/** /**
@ -1641,7 +1641,7 @@ gst_mpeg4_parse_video_packet_header (GstMpeg4VideoPacketHdr * videopackethdr,
CHECK_REMAINING (&br, markersize); CHECK_REMAINING (&br, markersize);
if (gst_bit_reader_get_bits_uint32_unchecked (&br, markersize + 1) != 0x01) if (gst_bit_reader_get_bits_uint32_unchecked (&br, markersize) != 0x01)
goto failed; goto failed;
if (vol->shape != GST_MPEG4_RECTANGULAR) { if (vol->shape != GST_MPEG4_RECTANGULAR) {