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h264parse: init pps and sps structures before parsing

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... which arranges for a valid fallback id, and allows to continue best effort
processing even when sps/pps parsing fails.
This commit is contained in:
Mark Nauwelaerts 2012-09-14 12:06:23 +02:00
parent a0d88d5ff5
commit f2191d403c
1 changed files with 12 additions and 6 deletions
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18
gst/videoparsers/gsth264parse.c
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@ -435,10 +435,11 @@ static void
gst_h264_parse_process_nal (GstH264Parse * h264parse, GstH264NalUnit * nalu)
{
guint nal_type;
GstH264PPS pps;
GstH264SPS sps;
GstH264PPS pps = { 0, };
GstH264SPS sps = { 0, };
GstH264SEIMessage sei;
GstH264NalParser *nalparser = h264parse->nalparser;
GstH264ParserResult pres;
/* nothing to do for broken input */
if (G_UNLIKELY (nalu->size < 2)) {
@ -455,8 +456,10 @@ gst_h264_parse_process_nal (GstH264Parse * h264parse, GstH264NalUnit * nalu)
switch (nal_type) {
case GST_H264_NAL_SPS:
gst_h264_parser_parse_sps (nalparser, nalu, &sps, TRUE);
/* TODO: check for failure (sps.id not set) */
pres = gst_h264_parser_parse_sps (nalparser, nalu, &sps, TRUE);
/* arranged for a fallback sps.id, so use that one and only warn */
if (pres != GST_H264_PARSER_OK)
GST_WARNING_OBJECT (h264parse, "failed to parse SPS:");
GST_DEBUG_OBJECT (h264parse, "triggering src caps check");
h264parse->update_caps = TRUE;
@ -473,8 +476,11 @@ gst_h264_parse_process_nal (GstH264Parse * h264parse, GstH264NalUnit * nalu)
gst_h264_parser_store_nal (h264parse, sps.id, nal_type, nalu);
break;
case GST_H264_NAL_PPS:
gst_h264_parser_parse_pps (nalparser, nalu, &pps);
/* TODO: check for failure (pps.id not set) */
pres = gst_h264_parser_parse_pps (nalparser, nalu, &pps);
/* arranged for a fallback pps.id, so use that one and only warn */
if (pres != GST_H264_PARSER_OK)
GST_WARNING_OBJECT (h264parse, "failed to parse PPS:");
/* parameters might have changed, force caps check */
GST_DEBUG_OBJECT (h264parse, "triggering src caps check");
h264parse->update_caps = TRUE;