diff options
| -rw-r--r-- | libavcodec/h264_slice.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c index a0288e0f85..e6645e8dc9 100644 --- a/libavcodec/h264_slice.c +++ b/libavcodec/h264_slice.c @@ -1884,7 +1884,10 @@ int ff_h264_decode_slice_header(H264Context *h, H264Context *h0) h0->max_contexts = 1; if (!h0->single_decode_warning) { av_log(h->avctx, AV_LOG_INFO, - "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n"); + "Cannot parallelize slice decoding with deblocking filter type 1, decoding such frames in sequential order\n" + "To parallelize slice decoding you need video encoded with disable_deblocking_filter_idc set to 2 (deblock only edges that do not cross slices).\n" + "Setting the flags2 libavcodec option to +fast (-flags2 +fast) will disable deblocking across slices and enable parallel slice decoding " + "but will generate non-standard-compliant output.\n"); h0->single_decode_warning = 1; } if (h != h0) { |