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h264parse: fix and optimize NAL collection function.

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Use gst_h264_parser_identify_nalu_unchecked() to identify the next
NAL unit. We don't want to parse the full NAL unit, but only the
header bytes and possibly the first RBSP byte for identifying the
first_mb_in_slice syntax element.

Also fix check for failure when returning from that function. The
only success condition for that is GST_H264_PARSER_OK, so use it.

https://bugzilla.gnome.org/show_bug.cgi?id=732154

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Gwenole Beauchesne 2014-06-24 13:55:13 +02:00
parent a61b7728b4
commit 5601c87598
1 changed files with 3 additions and 3 deletions
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6
gst/videoparsers/gsth264parse.c
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@ -675,10 +675,10 @@ gst_h264_parse_collect_nal (GstH264Parse * h264parse, const guint8 * data,
GstH264NalUnit nnalu; GstH264NalUnit nnalu;
GST_DEBUG_OBJECT (h264parse, "parsing collected nal"); GST_DEBUG_OBJECT (h264parse, "parsing collected nal");
parse_res = gst_h264_parser_identify_nalu (h264parse->nalparser, data, parse_res = gst_h264_parser_identify_nalu_unchecked (h264parse->nalparser,
nalu->offset + nalu->size, size, &nnalu); data, nalu->offset + nalu->size, size, &nnalu);
if (parse_res == GST_H264_PARSER_ERROR) if (parse_res != GST_H264_PARSER_OK)
return FALSE; return FALSE;
/* determine if AU complete */ /* determine if AU complete */