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avcodec/mpegvideodata: Join mpeg1/2 dc scale tables

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Avoids relocations.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-10-28 12:06:38 +02:00
parent 920ce150c6
commit 908b7fcfb2
5 changed files with 15 additions and 23 deletions
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26
libavcodec/mpegvideodata.c
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@ -30,31 +30,23 @@ const uint8_t ff_mpeg2_non_linear_qscale[32] = {
56, 64, 72, 80, 88, 96, 104, 112,
};
const uint8_t ff_mpeg1_dc_scale_table[32] = {
const uint8_t ff_mpeg12_dc_scale_table[4][32] = {
{
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
};
static const uint8_t mpeg2_dc_scale_table1[32] = {
},
{
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
};
static const uint8_t mpeg2_dc_scale_table2[32] = {
},
{
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
};
static const uint8_t mpeg2_dc_scale_table3[32] = {
},
{
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};
const uint8_t *const ff_mpeg2_dc_scale_table[4] = {
ff_mpeg1_dc_scale_table,
mpeg2_dc_scale_table1,
mpeg2_dc_scale_table2,
mpeg2_dc_scale_table3,
},
};
const uint8_t ff_alternate_horizontal_scan[64] = {