On Tue, May 10, 2011 at 11:29:09AM -0400, Ronald S. Bultje wrote:
> From: Alexander Strange <[email protected]>
> 
> Signed-off-by: Ronald S. Bultje <[email protected]>
> ---
>  libavcodec/mdec.c |   20 +++++++++++++++++---
>  1 files changed, 17 insertions(+), 3 deletions(-)
> 
> diff --git a/libavcodec/mdec.c b/libavcodec/mdec.c
> index 9b6e6b6..17671cf 100644
> --- a/libavcodec/mdec.c
> +++ b/libavcodec/mdec.c
> @@ -31,6 +31,7 @@
>  #include "dsputil.h"
>  #include "mpegvideo.h"
>  #include "mpeg12.h"
> +#include "thread.h"
>  
>  typedef struct MDECContext{
>      AVCodecContext *avctx;
> @@ -163,10 +164,10 @@ static int decode_frame(AVCodecContext *avctx,
>      int i;
>  
>      if(p->data[0])
> -        avctx->release_buffer(avctx, p);
> +        ff_thread_release_buffer(avctx, p);
>  
>      p->reference= 0;
> -    if(avctx->get_buffer(avctx, p) < 0){
> +    if(ff_thread_get_buffer(avctx, p) < 0){
>          av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
>          return -1;
>      }
> @@ -239,6 +240,18 @@ static av_cold int decode_init(AVCodecContext *avctx){
>      return 0;
>  }
>  
> +static av_cold int decode_init_thread_copy(AVCodecContext *avctx){
> +    MDECContext * const a = avctx->priv_data;
> +    AVFrame *p = (AVFrame*)&a->picture;
> +
> +    avctx->coded_frame= p;
> +    a->avctx= avctx;
> +
> +    p->qscale_table= av_mallocz( a->mb_width);
> +
> +    return 0;
> +}
> +
>  static av_cold int decode_end(AVCodecContext *avctx){
>      MDECContext * const a = avctx->priv_data;
>  
> @@ -260,7 +273,8 @@ AVCodec ff_mdec_decoder = {
>      NULL,
>      decode_end,
>      decode_frame,
> -    CODEC_CAP_DR1,
> +    CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
>      .long_name= NULL_IF_CONFIG_SMALL("Sony PlayStation MDEC (Motion 
> DECoder)"),
> +    .init_thread_copy= ONLY_IF_THREADS_ENABLED(decode_init_thread_copy)
>  };
>  
> -- 

looks ok except for idiotic "var= val;" assignment style (and yes, "I've
copied it from elsewhere" argument is too old that it stinks)
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