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avcodec/proresenc_anatoliy: remove TO_GOLOMB2()

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A few cosmetics aside, this makes the function identical to the one with
the same name in proresenc_kostya.
This commit is contained in:
Clément Bœsch
2023-12-11 02:11:00 +01:00
parent a026f98f29
commit e87bc5641c
1 changed files with 2 additions and 4 deletions
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6
libavcodec/proresenc_anatoliy.c
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@@ -257,7 +257,6 @@ static void encode_vlc_codeword(PutBitContext *pb, unsigned codebook, int val)
#define GET_SIGN(x) ((x) >> 31)
#define MAKE_CODE(x) (((x) * 2) ^ GET_SIGN(x))
#define TO_GOLOMB2(val,sign) ((val)==0 ? 0 : ((val) << 1) + (sign))
static av_always_inline int get_level(int val)
{
@@ -271,7 +270,6 @@ static void encode_dcs(PutBitContext *pb, int16_t *blocks,
{
int i;
int codebook = 5, code, dc, prev_dc, delta, sign, new_sign;
int diff_sign;
prev_dc = (blocks[0] - 0x4000) / scale;
encode_vlc_codeword(pb, FIRST_DC_CB, MAKE_CODE(prev_dc));
@@ -282,8 +280,8 @@ static void encode_dcs(PutBitContext *pb, int16_t *blocks,
dc = (blocks[0] - 0x4000) / scale;
delta = dc - prev_dc;
new_sign = GET_SIGN(delta);
diff_sign = new_sign ^ sign;
code = TO_GOLOMB2(get_level(delta), diff_sign);
delta = (delta ^ sign) - sign;
code = MAKE_CODE(delta);
encode_vlc_codeword(pb, ff_prores_dc_codebook[codebook], code);