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avcodec/mpeg12enc: Inline constants

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-12-25 03:25:02 +01:00
parent c037f3fc7d
commit 8abc192236
1 changed files with 8 additions and 8 deletions
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16
libavcodec/mpeg12enc.c
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@ -621,10 +621,8 @@ static inline void put_mb_modes(MpegEncContext *s, int n, int bits,
static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code)
{
if (val == 0) {
/* zero vector */
put_bits(&s->pb,
ff_mpeg12_mbMotionVectorTable[0][1],
ff_mpeg12_mbMotionVectorTable[0][0]);
/* zero vector, corresponds to ff_mpeg12_mbMotionVectorTable[0] */
put_bits(&s->pb, 1, 0x01);
} else {
int code, sign, bits;
int bit_size = f_or_b_code - 1;
@ -746,8 +744,10 @@ next_coef:
put_bits(&s->pb, table_vlc[code][1] + 1,
(table_vlc[code][0] << 1) + sign);
} else {
/* escape seems to be pretty rare <5% so I do not optimize it */
put_bits(&s->pb, table_vlc[111][1], table_vlc[111][0]);
/* Escape seems to be pretty rare <5% so I do not optimize it;
* the following value is the common escape value for both
* possible tables (i.e. table_vlc[111]). */
put_bits(&s->pb, 6, 0x01);
/* escape: only clip in this case */
put_bits(&s->pb, 6, run);
if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
@ -1097,7 +1097,7 @@ static av_cold void mpeg12_encode_init_static(void)
int len;
if (mv == 0) {
len = ff_mpeg12_mbMotionVectorTable[0][1];
len = 1; /* ff_mpeg12_mbMotionVectorTable[0][1] */
} else {
int val, bit_size, code;
@ -1112,7 +1112,7 @@ static av_cold void mpeg12_encode_init_static(void)
len = ff_mpeg12_mbMotionVectorTable[code][1] +
1 + bit_size;
else
len = ff_mpeg12_mbMotionVectorTable[16][1] +
len = 10 /* ff_mpeg12_mbMotionVectorTable[16][1] */ +
2 + bit_size;
}