[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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