Some API users (in particular ffmpeg.c) check the best effort timestamp
only.
if (avctx->codec->receive_frame) {
if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
return AVERROR_EOF;
- return avctx->codec->receive_frame(avctx, frame);
+ ret = avctx->codec->receive_frame(avctx, frame);
+ if (ret >= 0) {
+ if (av_frame_get_best_effort_timestamp(frame) == AV_NOPTS_VALUE) {
+ av_frame_set_best_effort_timestamp(frame,
+ guess_correct_pts(avctx, frame->pkt_pts, frame->pkt_dts));
+ }
+ }
+ return ret;
}
// Emulation via old API.