[FFmpeg-devel] [PATCH 16/35] avcodec/proresenc_anatoliy: execute codebook FFMIN() at assignment

Stefano Sabatini stefasab at gmail.com
Mon Dec 18 02:24:34 EET 2023


On date Monday 2023-12-11 02:35:17 +0100, Clément Bœsch wrote:
> This makes the function closer to encode_dcs() in proresenc_kostya.
> ---
>  libavcodec/proresenc_anatoliy.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/proresenc_anatoliy.c b/libavcodec/proresenc_anatoliy.c
> index e79c465590..f8feff850f 100644
> --- a/libavcodec/proresenc_anatoliy.c
> +++ b/libavcodec/proresenc_anatoliy.c
> @@ -285,9 +285,9 @@ static void encode_dc_coeffs(PutBitContext *pb, int16_t *in,
>          diff_sign = DIFF_SIGN(delta, sign);
>          code      = TO_GOLOMB2(get_level(delta), diff_sign);
>  
> -        encode_vlc_codeword(pb, ff_prores_dc_codebook[FFMIN(codebook, 6)], code);
> +        encode_vlc_codeword(pb, ff_prores_dc_codebook[codebook], code);
>  
> -        codebook  = code;
> +        codebook  = FFMIN(code, 6);
>          sign      = delta >> 31;
>          prev_dc   = new_dc;

should be good, assuming that codebook in the first run is 5


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