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ffmpeg.wasm-core
Commit 5a893969 authored by Stefan Gehrer's avatar Stefan Gehrer
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remove duplicate tables 

Originally committed as revision 13959 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 796d200a
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Showing with 19 additions and 102 deletions
libavcodec/mjpeg.c
View file @ 5a893969
......@@ -64,13 +64,11 @@ const unsigned char std_chrominance_quant_tbl[64] = {
/* IMPORTANT: these are only valid for 8-bit data precision! */
const uint8_t ff_mjpeg_bits_dc_luminance[17] =
{ /* 0-base */ 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 };
const uint8_t ff_mjpeg_val_dc_luminance[] =
const uint8_t ff_mjpeg_val_dc[12] =
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
const uint8_t ff_mjpeg_bits_dc_chrominance[17] =
{ /* 0-base */ 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
const uint8_t ff_mjpeg_val_dc_chrominance[] =
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
const uint8_t ff_mjpeg_bits_ac_luminance[17] =
{ /* 0-base */ 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d };
......
libavcodec/mjpeg.h
View file @ 5a893969
......@@ -138,10 +138,9 @@ static inline void put_marker(PutBitContext *p, int code)
}
extern const uint8_t ff_mjpeg_bits_dc_luminance[];
extern const uint8_t ff_mjpeg_val_dc_luminance[];
extern const uint8_t ff_mjpeg_val_dc[];
extern const uint8_t ff_mjpeg_bits_dc_chrominance[];
extern const uint8_t ff_mjpeg_val_dc_chrominance[];
extern const uint8_t ff_mjpeg_bits_ac_luminance[];
extern const uint8_t ff_mjpeg_val_ac_luminance[];
......
libavcodec/mjpegdec.c
View file @ 5a893969
......@@ -64,9 +64,9 @@ static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_tab
static void build_basic_mjpeg_vlc(MJpegDecodeContext * s) {
build_vlc(&s->vlcs[0][0], ff_mjpeg_bits_dc_luminance,
ff_mjpeg_val_dc_luminance, 12, 0, 0);
ff_mjpeg_val_dc, 12, 0, 0);
build_vlc(&s->vlcs[0][1], ff_mjpeg_bits_dc_chrominance,
ff_mjpeg_val_dc_chrominance, 12, 0, 0);
ff_mjpeg_val_dc, 12, 0, 0);
build_vlc(&s->vlcs[1][0], ff_mjpeg_bits_ac_luminance,
ff_mjpeg_val_ac_luminance, 251, 0, 1);
build_vlc(&s->vlcs[1][1], ff_mjpeg_bits_ac_chrominance,
......
libavcodec/mjpegenc.c
View file @ 5a893969
......@@ -59,11 +59,11 @@ av_cold int ff_mjpeg_encode_init(MpegEncContext *s)
ff_mjpeg_build_huffman_codes(m->huff_size_dc_luminance,
m->huff_code_dc_luminance,
ff_mjpeg_bits_dc_luminance,
ff_mjpeg_val_dc_luminance);
ff_mjpeg_val_dc);
ff_mjpeg_build_huffman_codes(m->huff_size_dc_chrominance,
m->huff_code_dc_chrominance,
ff_mjpeg_bits_dc_chrominance,
ff_mjpeg_val_dc_chrominance);
ff_mjpeg_val_dc);
ff_mjpeg_build_huffman_codes(m->huff_size_ac_luminance,
m->huff_code_ac_luminance,
ff_mjpeg_bits_ac_luminance,
......@@ -139,9 +139,9 @@ static void jpeg_table_header(MpegEncContext *s)
put_bits(p, 16, 0); /* patched later */
size = 2;
size += put_huffman_table(s, 0, 0, ff_mjpeg_bits_dc_luminance,
ff_mjpeg_val_dc_luminance);
ff_mjpeg_val_dc);
size += put_huffman_table(s, 0, 1, ff_mjpeg_bits_dc_chrominance,
ff_mjpeg_val_dc_chrominance);
ff_mjpeg_val_dc);
size += put_huffman_table(s, 1, 0, ff_mjpeg_bits_ac_luminance,
ff_mjpeg_val_ac_luminance);
......
libavcodec/msmpeg4.c
View file @ 5a893969
......@@ -98,7 +98,7 @@ static void common_init(MpegEncContext * s)
case 3:
if(s->workaround_bugs){
s->y_dc_scale_table= old_ff_y_dc_scale_table;
s->c_dc_scale_table= old_ff_c_dc_scale_table;
s->c_dc_scale_table= wmv1_c_dc_scale_table;
} else{
s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table;
s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table;
......
libavcodec/msmpeg4data.c
View file @ 5a893969
......@@ -1823,10 +1823,6 @@ const uint8_t old_ff_y_dc_scale_table[32]={
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0, 8, 8, 8, 8,10,12,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39
};
const uint8_t old_ff_c_dc_scale_table[32]={
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0, 8, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21,22
};
const uint8_t wmv1_scantable[WMV1_SCANTABLE_COUNT][64]={
{
......
libavcodec/msmpeg4data.h
View file @ 5a893969
......@@ -76,7 +76,6 @@ extern RLTable rl_table[NB_RL_TABLES];
extern const uint8_t wmv1_y_dc_scale_table[32];
extern const uint8_t wmv1_c_dc_scale_table[32];
extern const uint8_t old_ff_y_dc_scale_table[32];
extern const uint8_t old_ff_c_dc_scale_table[32];
extern MVTable mv_tables[2];
......
libavcodec/vc1.c
View file @ 5a893969
......@@ -783,8 +783,8 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
}
else
{
v->zz_8x4 = ff_vc1_simple_progressive_8x4_zz;
v->zz_4x8 = ff_vc1_simple_progressive_4x8_zz;
v->zz_8x4 = wmv2_scantableA;
v->zz_4x8 = wmv2_scantableB;
v->res_sm = get_bits(gb, 2); //reserved
if (v->res_sm)
{
......@@ -2398,11 +2398,11 @@ static int vc1_decode_i_block(VC1Context *v, DCTELEM block[64], int n, int coded
if(v->s.ac_pred) {
if(!dc_pred_dir)
zz_table = ff_vc1_horizontal_zz;
zz_table = wmv1_scantable[2];
else
zz_table = ff_vc1_vertical_zz;
zz_table = wmv1_scantable[3];
} else
zz_table = ff_vc1_normal_zz;
zz_table = wmv1_scantable[1];
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
ac_val2 = ac_val;
......@@ -2581,11 +2581,11 @@ static int vc1_decode_i_block_adv(VC1Context *v, DCTELEM block[64], int n, int c
if(v->s.ac_pred) {
if(!dc_pred_dir)
zz_table = ff_vc1_horizontal_zz;
zz_table = wmv1_scantable[2];
else
zz_table = ff_vc1_vertical_zz;
zz_table = wmv1_scantable[3];
} else
zz_table = ff_vc1_normal_zz;
zz_table = wmv1_scantable[1];
while (!last) {
vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
......@@ -2786,7 +2786,7 @@ static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int c
const int8_t *zz_table;
int k;
zz_table = ff_vc1_simple_progressive_8x8_zz;
zz_table = wmv1_scantable[0];
while (!last) {
vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
......@@ -2928,7 +2928,7 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquan
i += skip;
if(i > 63)
break;
idx = ff_vc1_simple_progressive_8x8_zz[i++];
idx = wmv1_scantable[0][i++];
block[idx] = value * scale;
if(!v->pquantizer)
block[idx] += (block[idx] < 0) ? -mquant : mquant;
......
libavcodec/vc1data.c
View file @ 5a893969
......@@ -562,75 +562,6 @@ const uint8_t ff_vc1_mv_diff_bits[4][73] = {
/* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */
/* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */
const int8_t ff_vc1_normal_zz[64] = {
0, 8, 1, 2, 9, 16, 24, 17,
10, 3, 4, 11, 18, 25, 32, 40,
33, 48, 26, 19, 12, 5, 6, 13,
20, 27, 34, 41, 56, 49, 57, 42,
35, 28, 21, 14, 7, 15, 22, 29,
36, 43, 50, 58, 51, 59, 44, 37,
30, 23, 31, 38, 45, 52, 60, 53,
61, 46, 39, 47, 54, 62, 55, 63
};
const int8_t ff_vc1_horizontal_zz [64] = /* Table 227 */
{
0, 1, 8, 2, 3, 9, 16, 24,
17, 10, 4, 5, 11, 18, 25, 32,
40, 48, 33, 26, 19, 12, 6, 7,
13, 20, 27, 34, 41, 56, 49, 57,
42, 35, 28, 21, 14, 15, 22, 29,
36, 43, 50, 58, 51, 44, 37, 30,
23, 31, 38, 45, 52, 59, 60, 53,
46, 39, 47, 54, 61, 62, 55, 63
};
const int8_t ff_vc1_vertical_zz [64] = /* Table 228 */
{
0, 8, 16, 1, 24, 32, 40, 9,
2, 3, 10, 17, 25, 48, 56, 41,
33, 26, 18, 11, 4, 5, 12, 19,
27, 34, 49, 57, 50, 42, 35, 28,
20, 13, 6, 7, 14, 21, 29, 36,
43, 51, 58, 59, 52, 44, 37, 30,
22, 15, 23, 31, 38, 45, 60, 53,
46, 39, 47, 54, 61, 62, 55, 63
};
const int8_t ff_vc1_simple_progressive_8x8_zz [64] =
/* Table 229 */
{
0, 8, 1, 2, 9, 16, 24, 17,
10, 3, 4, 11, 18, 25, 32, 40,
48, 56, 41, 33, 26, 19, 12, 5,
6, 13, 20, 27, 34, 49, 57, 58,
50, 42, 35, 28, 21, 14, 7, 15,
22, 29, 36, 43, 51, 59, 60, 52,
44, 37, 30, 23, 31, 38, 45, 53,
61, 62, 54, 46, 39, 47, 55, 63
};
const int8_t ff_vc1_simple_progressive_8x4_zz [32] = /* Table 230 */
{
0, 1, 2, 8, 3, 9, 10, 16,
4, 11, 17, 24, 18, 12, 5, 19,
25, 13, 20, 26, 27, 6, 21, 28,
14, 22, 29, 7, 30, 15, 23, 31
};
const int8_t ff_vc1_simple_progressive_4x8_zz [32] = /* Table 231 */
{
0, 8, 1, 16,
9, 24, 17, 2,
32, 10, 25, 40,
18, 48, 33, 26,
56, 41, 34, 3,
49, 57, 11, 42,
19, 50, 27, 58,
35, 43, 51, 59
};
/* Table 232 */
const int8_t ff_vc1_simple_progressive_4x4_zz [16] =
{
......
libavcodec/vc1data.h
View file @ 5a893969
......@@ -143,12 +143,6 @@ extern const uint8_t ff_vc1_mv_diff_bits[4][73];
/* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */
/* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */
extern const int8_t ff_vc1_normal_zz[64];
extern const int8_t ff_vc1_horizontal_zz [64];
extern const int8_t ff_vc1_vertical_zz [64];
extern const int8_t ff_vc1_simple_progressive_8x8_zz [64];
extern const int8_t ff_vc1_simple_progressive_8x4_zz [32];
extern const int8_t ff_vc1_simple_progressive_4x8_zz [32];
extern const int8_t ff_vc1_simple_progressive_4x4_zz [16];
extern const int8_t ff_vc1_adv_progressive_8x4_zz [32];
extern const int8_t ff_vc1_adv_progressive_4x8_zz [32];
......
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