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rtpdec_hevc: Skip 1 byte (DOND) instead of 2 (DONL) between aggregation units

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Only the first aggregation unit has 2 bytes (DONL) prepended, if
such a field is in use.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-02-22 23:25:28 +02:00
parent 35c6ce76b1
commit fe208ca54b
2 changed files with 10 additions and 7 deletions
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9
libavformat/rtpdec_h264.c
View File

@ -181,7 +181,7 @@ static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
int ff_h264_handle_aggregated_packet(AVFormatContext *ctx, AVPacket *pkt,
const uint8_t *buf, int len,
int start_skip, int *nal_counters,
int skip_between, int *nal_counters,
int nal_mask)
{
int pass = 0;
@ -194,9 +194,6 @@ int ff_h264_handle_aggregated_packet(AVFormatContext *ctx, AVPacket *pkt,
const uint8_t *src = buf;
int src_len = len;
src += start_skip;
src_len -= start_skip;
while (src_len > 2) {
uint16_t nal_size = AV_RB16(src);
@ -224,8 +221,8 @@ int ff_h264_handle_aggregated_packet(AVFormatContext *ctx, AVPacket *pkt,
}
// eat what we handled
src += nal_size + start_skip;
src_len -= nal_size + start_skip;
src += nal_size + skip_between;
src_len -= nal_size + skip_between;
}
if (pass == 0) {

8
libavformat/rtpdec_hevc.c
View File

@ -317,9 +317,15 @@ static int hevc_handle_packet(AVFormatContext *ctx, PayloadContext *rtp_hevc_ctx
buf += RTP_HEVC_PAYLOAD_HEADER_SIZE;
len -= RTP_HEVC_PAYLOAD_HEADER_SIZE;
/* pass the HEVC DONL field */
if (rtp_hevc_ctx->using_donl_field) {
buf += RTP_HEVC_DONL_FIELD_SIZE;
len -= RTP_HEVC_DONL_FIELD_SIZE;
}
res = ff_h264_handle_aggregated_packet(ctx, pkt, buf, len,
rtp_hevc_ctx->using_donl_field ?
RTP_HEVC_DONL_FIELD_SIZE : 0,
RTP_HEVC_DOND_FIELD_SIZE : 0,
NULL, 0);
if (res < 0)
return res;