On Thu, 8 May 2014 15:15:06 +0200, Luca Barbato <[email protected]> wrote: > 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 >
This assumes every hwaccel user is frame-threaded. Which might be true now, but there's no reason for it to be true in general. -- Anton Khirnov _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
