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cbs_h264: Add hack for pic_timing with no active SPS 

If there is exactly one possible SPS but it is not yet active then just
assume that it should be the active one.
This commit is contained in:
Mark Thompson 2017-12-11 00:22:42 +00:00
parent 0e4c166cdd
commit 13ca5d34ba
1 changed files with 16 additions and 0 deletions
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16
libavcodec/cbs_h264_syntax_template.c
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@ -560,6 +560,22 @@ static int FUNC(sei_pic_timing)(CodedBitstreamContext *ctx, RWContext *rw,
int err;
sps = h264->active_sps;
if (!sps) {
// If there is exactly one possible SPS but it is not yet active
// then just assume that it should be the active one.
int i, k = -1;
for (i = 0; i < H264_MAX_SPS_COUNT; i++) {
if (h264->sps[i]) {
if (k >= 0) {
k = -1;
break;
}
k = i;
}
}
if (k >= 0)
sps = h264->sps[k];
}
if (!sps) {
av_log(ctx->log_ctx, AV_LOG_ERROR,
"No active SPS for pic_timing.\n");