[FFmpeg-devel] [PATCH 1/3] lavc: avcodec_align_dimensions2(): only set 4 linesize aligns.

[Paul B Mahol]

On 1/28/12, Michael Niedermayer <michaelni at gmx.at> wrote:
> There are only RGBA or YUVA setting more is likely just inconvenient.
>
> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> ---
>  libavcodec/utils.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
>

ffplay needs change too?
> diff --git a/libavcodec/utils.c b/libavcodec/utils.c
> index dec9003..a41c8a5 100644
> --- a/libavcodec/utils.c
> +++ b/libavcodec/utils.c
> @@ -242,7 +242,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int
> *width, int *height,
>          *height+=2; // some of the optimized chroma MC reads one line too
> much
>                      // which is also done in mpeg decoders with lowres > 0
>
> -    for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
> +    for (i = 0; i < 4; i++)
>          linesize_align[i] = STRIDE_ALIGN;
>  //STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
>  //we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
> @@ -252,7 +252,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int
> *width, int *height,
>      if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 ||
>         s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F ||
>         s->codec_id == CODEC_ID_VP6A || s->codec_id == CODEC_ID_DIRAC) {
> -        for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
> +        for (i = 0; i < 4; i++)
>              linesize_align[i] = 16;
>      }
>  #endif
> --
> 1.7.5.4
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>