Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/internal.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/libavcodec/internal.h b/libavcodec/internal.h index c92dba472a..a72f8628db 100644 --- a/libavcodec/internal.h +++ b/libavcodec/internal.h @@ -36,6 +36,15 @@ /** * The codec does not modify any global variables in the init function, * allowing to call the init function without locking any global mutexes. + * If this is not set, the core code uses the lock manager registered with + * av_lockmgr_register() or the default fallback to protect codec init. + * + * Using a per codec lock is more efficient than using one for all codecs to + * provide thread saftey as the locking happens at finer granularity during + * one time initilization. + * + * @Note, with or without this flag the public codec init/decode/encode/... API is + * threadsafe. */ #define FF_CODEC_CAP_INIT_THREADSAFE (1 << 0) /** -- 2.11.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
