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avcodec/proresenc_anatoliy: make a few cosmetics in encode_acs()

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This makes the function pretty much identical to the function of the
same name in proresenc_kostya.
This commit is contained in:
Clément Bœsch 2023-12-11 02:29:36 +01:00
parent 8fb2e96d7e
commit cc2206d142
1 changed files with 10 additions and 14 deletions
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24
libavcodec/proresenc_anatoliy.c
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@ -286,32 +286,28 @@ static void encode_acs(PutBitContext *pb, int16_t *blocks,
int blocks_per_slice,
int *qmat, const uint8_t *scan)
{
int idx;
int idx, i;
int prev_run = 4;
int prev_level = 2;
int max_coeffs;
int run = 0, level, code, i;
int run = 0, level;
int max_coeffs, abs_level;
max_coeffs = blocks_per_slice << 6;
for (i = 1; i < 64; i++) {
for (idx = scan[i]; idx < max_coeffs; idx += 64) {
int val = blocks[idx] / qmat[scan[i]];
if (val) {
level = blocks[idx] / qmat[scan[i]];
if (level) {
abs_level = FFABS(level);
encode_vlc_codeword(pb, ff_prores_run_to_cb[prev_run], run);
level = FFABS(val);
code = level - 1;
encode_vlc_codeword(pb, ff_prores_level_to_cb[prev_level], code);
put_sbits(pb, 1, GET_SIGN(val));
encode_vlc_codeword(pb, ff_prores_level_to_cb[prev_level], abs_level - 1);
put_sbits(pb, 1, GET_SIGN(level));
prev_run = FFMIN(run, 15);
prev_level = FFMIN(level, 9);
prev_level = FFMIN(abs_level, 9);
run = 0;
} else {
++run;
run++;
}
}
}