[FFmpeg-devel] [PATCH] lavc/h264_slice: clarify informational message in case of disabled slice multi-threaded decoding

[Stefano Sabatini]

Also suggest what can be done to workaround the limitation.
---
 libavcodec/h264_slice.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 5f67b54..61064e3 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1873,7 +1873,8 @@ 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"
+                       "You can use flag2 +fast to enable it\n");
                 h0->single_decode_warning = 1;
             }
             if (h != h0) {
-- 
1.8.3.2