diff options
| author | Stefano Sabatini <stefasab@gmail.com> | 2014-06-09 19:32:37 +0200 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2014-06-20 12:12:46 +0200 |
| commit | d381109ce8acd84fc16d3dfc4f8f688462d45366 (patch) | |
| tree | 17a9e1bd78e073942e72c3c78c431333f4f84056 | |
| parent | 8c443767995db7905282239f2a467a995609a6ff (diff) | |
| download | ffmpeg-d381109ce8acd84fc16d3dfc4f8f688462d45366.tar.gz | |
lavc/h264_slice: clarify informational message in case of disabled slice multi-threaded decoding
Also suggest what can be done to workaround the limitation.
| -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) { |