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Code Issues Releases Activity

Rename DCtab_*, its a global variable and it helps understanding if mpeg4

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is in its name.

Originally committed as revision 21096 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-08 17:28:43 +00:00
parent f9664ca026
commit 05b858b045
5 changed files with 18 additions and 18 deletions
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4
libavcodec/mpeg4data.h
View File

@ -32,13 +32,13 @@
#include "mpegvideo.h"
/* dc encoding for mpeg4 */
const uint8_t DCtab_lum[13][2] =
const uint8_t ff_mpeg4_DCtab_lum[13][2] =
{
{3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
{1,8}, {1,9}, {1,10}, {1,11},
};
const uint8_t DCtab_chrom[13][2] =
const uint8_t ff_mpeg4_DCtab_chrom[13][2] =
{
{3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
{1,9}, {1,10}, {1,11}, {1,12},

4
libavcodec/mpeg4video.h
View File

@ -54,8 +54,8 @@
#define VOP_STARTCODE 0x1B6
/* dc encoding for mpeg4 */
extern const uint8_t DCtab_lum[13][2];
extern const uint8_t DCtab_chrom[13][2];
extern const uint8_t ff_mpeg4_DCtab_lum[13][2];
extern const uint8_t ff_mpeg4_DCtab_chrom[13][2];
extern const uint16_t intra_vlc[103][2];
extern const int8_t intra_level[102];

8
libavcodec/mpeg4videodec.c
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@ -2207,11 +2207,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
INIT_VLC_RL(rvlc_rl_inter, 1072);
INIT_VLC_RL(rvlc_rl_intra, 1072);
INIT_VLC_STATIC(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
&DCtab_lum[0][1], 2, 1,
&DCtab_lum[0][0], 2, 1, 512);
&ff_mpeg4_DCtab_lum[0][1], 2, 1,
&ff_mpeg4_DCtab_lum[0][0], 2, 1, 512);
INIT_VLC_STATIC(&dc_chrom, DC_VLC_BITS, 10 /* 13 */,
&DCtab_chrom[0][1], 2, 1,
&DCtab_chrom[0][0], 2, 1, 512);
&ff_mpeg4_DCtab_chrom[0][1], 2, 1,
&ff_mpeg4_DCtab_chrom[0][0], 2, 1, 512);
INIT_VLC_STATIC(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
&sprite_trajectory_tab[0][1], 4, 2,
&sprite_trajectory_tab[0][0], 4, 2, 128);

12
libavcodec/mpeg4videoenc.c
View File

@ -263,10 +263,10 @@ static inline void mpeg4_encode_dc(PutBitContext * s, int level, int n)
if (n < 4) {
/* luminance */
put_bits(&s->pb, DCtab_lum[size][1], DCtab_lum[size][0]);
put_bits(&s->pb, ff_mpeg4_DCtab_lum[size][1], ff_mpeg4_DCtab_lum[size][0]);
} else {
/* chrominance */
put_bits(&s->pb, DCtab_chrom[size][1], DCtab_chrom[size][0]);
put_bits(&s->pb, ff_mpeg4_DCtab_chrom[size][1], ff_mpeg4_DCtab_chrom[size][0]);
}
/* encode remaining bits */
@ -1125,8 +1125,8 @@ static void init_uni_dc_tab(void)
l= level;
/* luminance */
uni_code= DCtab_lum[size][0];
uni_len = DCtab_lum[size][1];
uni_code= ff_mpeg4_DCtab_lum[size][0];
uni_len = ff_mpeg4_DCtab_lum[size][1];
if (size > 0) {
uni_code<<=size; uni_code|=l;
@ -1140,8 +1140,8 @@ static void init_uni_dc_tab(void)
uni_DCtab_lum_len [level+256]= uni_len;
/* chrominance */
uni_code= DCtab_chrom[size][0];
uni_len = DCtab_chrom[size][1];
uni_code= ff_mpeg4_DCtab_chrom[size][0];
uni_len = ff_mpeg4_DCtab_chrom[size][1];
if (size > 0) {
uni_code<<=size; uni_code|=l;

8
libavcodec/msmpeg4.c
View File

@ -98,8 +98,8 @@ static av_cold void init_h263_dc_for_msmpeg4(void)
l= level;
/* luminance h263 */
uni_code= DCtab_lum[size][0];
uni_len = DCtab_lum[size][1];
uni_code= ff_mpeg4_DCtab_lum[size][0];
uni_len = ff_mpeg4_DCtab_lum[size][1];
uni_code ^= (1<<uni_len)-1; //M$ does not like compatibility
if (size > 0) {
@ -114,8 +114,8 @@ static av_cold void init_h263_dc_for_msmpeg4(void)
v2_dc_lum_table[level+256][1]= uni_len;
/* chrominance h263 */
uni_code= DCtab_chrom[size][0];
uni_len = DCtab_chrom[size][1];
uni_code= ff_mpeg4_DCtab_chrom[size][0];
uni_len = ff_mpeg4_DCtab_chrom[size][1];
uni_code ^= (1<<uni_len)-1; //M$ does not like compatibility
if (size > 0) {