[FFmpeg-devel] [PATCHv2 2/4] avcodec/mm: decode partial palette

[Andreas Rheinhardt]

Peter Ross:
> Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

?

> ---
>  libavcodec/mmvideo.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c
> index 3038d9ea92..933d895f96 100644
> --- a/libavcodec/mmvideo.c
> +++ b/libavcodec/mmvideo.c
> @@ -78,13 +78,10 @@ static av_cold int mm_decode_init(AVCodecContext *avctx)
>  
>  static void mm_decode_pal(MmContext *s)
>  {
> -    int i;
> -
> -    bytestream2_skip(&s->gb, 4);
> -    for (i = 0; i < 128; i++) {
> -        s->palette[i] = 0xFFU << 24 | bytestream2_get_be24(&s->gb);
> -        s->palette[i+128] = s->palette[i]<<2;
> -    }
> +    int start = bytestream2_get_le16(&s->gb);
> +    int count = bytestream2_get_le16(&s->gb);
> +    for (int i = 0; i < count; i++)
> +        s->palette[start+i] = 0xFFU << 24 | (bytestream2_get_be24(&s->gb) << 2);
>  }
>  
>  /**
> 
> 
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