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codecparsers: h264: clean-up gst_h264_parser_parse_sei_message().

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Fix build when GST_DISABLE_GST_DEBUG is not defined. Use a switch
statement to dispatch to the various SEI payload handlers.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Gwenole Beauchesne 2014-03-24 19:27:44 +01:00
parent 1b42180817
commit afff27651b
1 changed files with 22 additions and 21 deletions
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43
gst-libs/gst/codecparsers/gsth264parser.c
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@ -845,9 +845,7 @@ gst_h264_parser_parse_sei_message (GstH264NalParser * nalparser,
{
guint32 payloadSize;
guint8 payload_type_byte, payload_size_byte;
#ifndef GST_DISABLE_GST_DEBUG
guint remaining, payload_size;
#endif
GstH264ParserResult res;
GST_DEBUG ("parsing \"Sei message\"");
@ -865,32 +863,35 @@ gst_h264_parser_parse_sei_message (GstH264NalParser * nalparser,
}
while (payload_size_byte == 0xff);
#ifndef GST_DISABLE_GST_DEBUG
remaining = nal_reader_get_remaining (nr);
payload_size = payloadSize * 8 < remaining ? payloadSize * 8 : remaining;
GST_DEBUG ("SEI message received: payloadType %u, payloadSize = %u bits",
sei->payloadType, payload_size);
#endif
if (sei->payloadType == GST_H264_SEI_BUF_PERIOD) {
/* size not set; might depend on emulation_prevention_three_byte */
res = gst_h264_parser_parse_buffering_period (nalparser,
&sei->payload.buffering_period, nr);
} else if (sei->payloadType == GST_H264_SEI_PIC_TIMING) {
/* size not set; might depend on emulation_prevention_three_byte */
res = gst_h264_parser_parse_pic_timing (nalparser,
&sei->payload.pic_timing, nr);
} else {
/* Just consume payloadSize bytes, which does not account for
emulation prevention bytes */
guint nbits = payload_size % 8;
while (payload_size > 0) {
nal_reader_skip (nr, nbits);
payload_size -= nbits;
nbits = 8;
switch (sei->payloadType) {
case GST_H264_SEI_BUF_PERIOD:
/* size not set; might depend on emulation_prevention_three_byte */
res = gst_h264_parser_parse_buffering_period (nalparser,
&sei->payload.buffering_period, nr);
break;
case GST_H264_SEI_PIC_TIMING:
/* size not set; might depend on emulation_prevention_three_byte */
res = gst_h264_parser_parse_pic_timing (nalparser,
&sei->payload.pic_timing, nr);
break;
default:{
/* Just consume payloadSize bytes, which does not account for
emulation prevention bytes */
guint nbits = payload_size % 8;
while (payload_size > 0) {
nal_reader_skip (nr, nbits);
payload_size -= nbits;
nbits = 8;
}
res = GST_H264_PARSER_OK;
break;
}
res = GST_H264_PARSER_OK;
}
/* When SEI message doesn't end at byte boundary,