diff options
Diffstat (limited to 'doc/multithreading.txt')
| -rw-r--r-- | doc/multithreading.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/multithreading.txt b/doc/multithreading.txt index 83849deacc..5b9dcb0bfc 100644 --- a/doc/multithreading.txt +++ b/doc/multithreading.txt @@ -58,9 +58,10 @@ Add AV_CODEC_CAP_FRAME_THREADS to the codec capabilities. There will be very lit speed gain at this point but it should work. If there are inter-frame dependencies, so the codec calls -ff_thread_report/await_progress(), set AVCodecInternal.allocate_progress. The +ff_thread_report/await_progress(), set FF_CODEC_CAP_ALLOCATE_PROGRESS in +AVCodec.caps_internal and use ff_thread_get_buffer() to allocate frames. The frames must then be freed with ff_thread_release_buffer(). -Otherwise leave it at zero and decode directly into the user-supplied frames. +Otherwise decode directly into the user-supplied frames. Call ff_thread_report_progress() after some part of the current picture has decoded. A good place to put this is where draw_horiz_band() is called - add this if it isn't |