It would reduce the boilerplate code users have to write.
---
libavcodec/avcodec.h | 5 +++++
libavcodec/pthread_frame.c | 4 ++++
2 files changed, 9 insertions(+)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index d89cbf8..4be8849 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/pthread_frame.c b/libavcodec/pthread_frame.c
index 34ca9a6..645b3b9 100644
--- a/libavcodec/pthread_frame.c
+++ b/libavcodec/pthread_frame.c
@@ -694,10 +694,14 @@ void ff_thread_flush(AVCodecContext *avctx)
int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
{
PerThreadContext *p = avctx->internal->thread_ctx;
+ const AVHWAccel *hwaccel = avctx->hwaccel;
int err;
f->owner = avctx;
+ if (hwaccel && hwaccel->alloc_frame)
+ return hwaccel->alloc_frame(avctx, f->f);
+
if (!(avctx->active_thread_type & FF_THREAD_FRAME))
return ff_get_buffer(avctx, f->f, flags);
--
1.9.0
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