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cbs_h264: Add hack for pic_timing with no active SPS

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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");