diff --git a/libavcodec/libopenh264dec.c b/libavcodec/libopenh264dec.c index f9b91ce3c0..c7aa7fa19c 100644 --- a/libavcodec/libopenh264dec.c +++ b/libavcodec/libopenh264dec.c @@ -109,10 +109,18 @@ static int svc_decode_frame(AVCodecContext *avctx, void *data, #endif } else { info.uiInBsTimeStamp = avpkt->pts; +#if OPENH264_VER_AT_LEAST(1, 4) + // Contrary to the name, DecodeFrameNoDelay actually does buffering + // and reordering of frames, and is the recommended decoding entry + // point since 1.4. This is essential for successfully decoding + // B-frames. + state = (*s->decoder)->DecodeFrameNoDelay(s->decoder, avpkt->data, avpkt->size, ptrs, &info); +#else state = (*s->decoder)->DecodeFrame2(s->decoder, avpkt->data, avpkt->size, ptrs, &info); +#endif } if (state != dsErrorFree) { - av_log(avctx, AV_LOG_ERROR, "DecodeFrame2 failed\n"); + av_log(avctx, AV_LOG_ERROR, "DecodeFrame failed\n"); return AVERROR_UNKNOWN; } if (info.iBufferStatus != 1) {