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Code Issues Releases Activity

avcodec/proresenc_anatoliy: reduce DC encoding function prototype differences with Kostya encoder

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This commit is contained in:
Clément Bœsch 2023-12-11 01:50:02 +01:00
parent 8e42d3aba0
commit dadc5ac24a
1 changed files with 5 additions and 5 deletions
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10
libavcodec/proresenc_anatoliy.c
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@ -267,20 +267,20 @@ static av_always_inline int get_level(int val)
}
static void encode_dc_coeffs(PutBitContext *pb, int16_t *in,
int blocks_per_slice, int *qmat)
static void encode_dcs(PutBitContext *pb, int16_t *blocks,
int blocks_per_slice, int *qmat)
{
int prev_dc, codebook;
int i, sign, idx;
int new_dc, delta, diff_sign, code;
prev_dc = (in[0] - 0x4000) / qmat[0];
prev_dc = (blocks[0] - 0x4000) / qmat[0];
codebook = TO_GOLOMB(prev_dc);
encode_vlc_codeword(pb, FIRST_DC_CB, codebook);
codebook = 5; sign = 0; idx = 64;
for (i = 1; i < blocks_per_slice; i++, idx += 64) {
new_dc = (in[idx] - 0x4000) / qmat[0];
new_dc = (blocks[idx] - 0x4000) / qmat[0];
delta = new_dc - prev_dc;
diff_sign = DIFF_SIGN(delta, sign);
code = TO_GOLOMB2(get_level(delta), diff_sign);
@ -388,7 +388,7 @@ static int encode_slice_plane(int16_t *blocks, int mb_count, uint8_t *buf, unsig
blocks_per_slice = mb_count << (2 - sub_sample_chroma);
init_put_bits(&pb, buf, buf_size);
encode_dc_coeffs(&pb, blocks, blocks_per_slice, qmat);
encode_dcs(&pb, blocks, blocks_per_slice, qmat);
encode_ac_coeffs(&pb, blocks, blocks_per_slice, qmat, ff_prores_scan);
flush_put_bits(&pb);