From 7fa64514c8d2ec4d3dcb5f194511609ddcc288e6 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Fri, 10 Nov 2017 16:07:44 +0100 Subject: decode: add a mechanism for performing delayed processing on the decoded frames This will be useful in the CUVID hwaccel. Merges Libav commit badf0951f54c1332e77455dc40398f3512540c1b. --- libavcodec/decode.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'libavcodec/decode.h') diff --git a/libavcodec/decode.h b/libavcodec/decode.h index 519f875c98..51947b9ec0 100644 --- a/libavcodec/decode.h +++ b/libavcodec/decode.h @@ -22,6 +22,7 @@ #define AVCODEC_DECODE_H #include "libavutil/buffer.h" +#include "libavutil/frame.h" #include "avcodec.h" @@ -30,6 +31,19 @@ * private_ref. */ typedef struct FrameDecodeData { + /** + * The callback to perform some delayed processing on the frame right + * before it is returned to the caller. + * + * @note This code is called at some unspecified point after the frame is + * returned from the decoder's decode/receive_frame call. Therefore it cannot rely + * on AVCodecContext being in any specific state, so it does not get to + * access AVCodecContext directly at all. All the state it needs must be + * stored in the post_process_opaque object. + */ + int (*post_process)(void *logctx, AVFrame *frame); + void *post_process_opaque; + void (*post_process_opaque_free)(void *opaque); } FrameDecodeData; /** -- cgit v1.2.3