It would reduce the boilerplate code users have to write.
---
libavcodec/avcodec.h | 5 +++++
libavcodec/utils.c | 4 ++++
2 files changed, 9 insertions(+)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index df061c1..65c7da4 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2947,6 +2947,11 @@ typedef struct AVHWAccel {
struct AVHWAccel *next;
/**
+ * Allocate a custom buffer
+ */
+ int (*alloc_frame)(AVCodecContext *avctx, AVFrame *frame);
+
+ /**
* Called at the beginning of each frame or field picture.
*
* Meaningful frame information (codec specific) is guaranteed to
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 95aaa6e..e7978a4 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -604,6 +604,7 @@ int ff_decode_frame_props(AVCodecContext *avctx, AVFrame
*frame)
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
{
+ const AVHWAccel *hwaccel = avctx->hwaccel;
int override_dimensions = 1;
int ret;
@@ -657,6 +658,9 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame,
int flags)
if (ret < 0)
return ret;
+ if (hwaccel && hwaccel->alloc_frame)
+ return hwaccel->alloc_frame(avctx, frame);
+
#if FF_API_GET_BUFFER
FF_DISABLE_DEPRECATION_WARNINGS
/*
--
1.9.0
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