generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

rename some msmpeg4 symbols and make them non-static

Browse Source 
so that they can be used in standalone wmv2.c

Originally committed as revision 10949 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs
2007-11-07 23:23:35 +00:00
parent b0bd01d68a
commit 85f601ee7b
2 changed files with 43 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
libavcodec/msmpeg4.c
View File

@@ -62,10 +62,10 @@ static uint32_t v2_dc_lum_table[512][2];
static uint32_t v2_dc_chroma_table[512][2];
void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n);
static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, const uint8_t *scantable);
static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr);
static int msmpeg4_decode_motion(MpegEncContext * s,
int ff_msmpeg4_decode_motion(MpegEncContext * s,
int *mx_ptr, int *my_ptr);
static void init_h263_dc_for_msmpeg4(void);
static inline void msmpeg4_memsetw(short *tab, int val, int n);
@@ -75,7 +75,7 @@ static int get_size_of_code(MpegEncContext * s, RLTable *rl, int last, int run,
#endif //CONFIG_ENCODERS
static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
/* vc1 externs */
extern uint8_t wmv3_dc_scale_table[32];
@@ -161,7 +161,7 @@ static void init_mv_table(MVTable *tab)
}
}
void ff_code012(PutBitContext *pb, int n)
void ff_msmpeg4_code012(PutBitContext *pb, int n)
{
if (n == 0) {
put_bits(pb, 1, 0);
@@ -347,8 +347,8 @@ void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
if(s->msmpeg4_version>2){
if(!s->per_mb_rl_table){
ff_code012(&s->pb, s->rl_chroma_table_index);
ff_code012(&s->pb, s->rl_table_index);
ff_msmpeg4_code012(&s->pb, s->rl_chroma_table_index);
ff_msmpeg4_code012(&s->pb, s->rl_table_index);
}
put_bits(&s->pb, 1, s->dc_table_index);
@@ -361,7 +361,7 @@ void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
if(s->msmpeg4_version>2){
if(!s->per_mb_rl_table)
ff_code012(&s->pb, s->rl_table_index);
ff_msmpeg4_code012(&s->pb, s->rl_table_index);
put_bits(&s->pb, 1, s->dc_table_index);
@@ -393,7 +393,7 @@ void msmpeg4_encode_ext_header(MpegEncContext * s)
#endif //CONFIG_ENCODERS
/* predict coded block */
static inline int coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_block_ptr)
int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_block_ptr)
{
int xy, wrap, pred, a, b, c;
@@ -421,7 +421,7 @@ static inline int coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_bl
#ifdef CONFIG_ENCODERS
static void msmpeg4_encode_motion(MpegEncContext * s,
void ff_msmpeg4_encode_motion(MpegEncContext * s,
int mx, int my)
{
int code;
@@ -459,7 +459,7 @@ static void msmpeg4_encode_motion(MpegEncContext * s,
}
}
static inline void handle_slices(MpegEncContext *s){
void ff_msmpeg4_handle_slices(MpegEncContext *s){
if (s->mb_x == 0) {
if (s->slice_height && (s->mb_y % s->slice_height) == 0) {
if(s->msmpeg4_version < 4){
@@ -480,7 +480,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
int pred_x, pred_y;
uint8_t *coded_block;
handle_slices(s);
ff_msmpeg4_handle_slices(s);
if (!s->mb_intra) {
/* compute cbp */
@@ -526,7 +526,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
/* motion vector */
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
msmpeg4_encode_motion(s, motion_x - pred_x,
ff_msmpeg4_encode_motion(s, motion_x - pred_x,
motion_y - pred_y);
}
@@ -546,7 +546,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
cbp |= val << (5 - i);
if (i < 4) {
/* predict value for close blocks only for luma */
pred = coded_block_pred(s, i, &coded_block);
pred = ff_msmpeg4_coded_block_pred(s, i, &coded_block);
*coded_block = val;
val = val ^ pred;
}
@@ -990,7 +990,7 @@ else
/****************************************/
/* decoding stuff */
static VLC mb_non_intra_vlc[4];
VLC ff_mb_non_intra_vlc[4];
static VLC v2_dc_lum_vlc;
static VLC v2_dc_chroma_vlc;
static VLC cbpy_vlc;
@@ -999,7 +999,7 @@ static VLC v2_mb_type_vlc;
static VLC v2_mv_vlc;
static VLC v1_intra_cbpc_vlc;
static VLC v1_inter_cbpc_vlc;
static VLC inter_intra_vlc;
VLC ff_inter_intra_vlc;
/* This table is practically identical to the one from h263
* except that it is inverted. */
@@ -1114,7 +1114,7 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
&mvtab[0][0], 2, 1, 1);
for(i=0; i<4; i++){
init_vlc(&mb_non_intra_vlc[i], MB_NON_INTRA_VLC_BITS, 128,
init_vlc(&ff_mb_non_intra_vlc[i], MB_NON_INTRA_VLC_BITS, 128,
&wmv2_inter_table[i][0][1], 8, 4,
&wmv2_inter_table[i][0][0], 8, 4, 1); //FIXME name?
}
@@ -1130,7 +1130,7 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
inter_MCBPC_bits, 1, 1,
inter_MCBPC_code, 1, 1, 1);
init_vlc(&inter_intra_vlc, INTER_INTRA_VLC_BITS, 4,
init_vlc(&ff_inter_intra_vlc, INTER_INTRA_VLC_BITS, 4,
&table_inter_intra[0][1], 2, 1,
&table_inter_intra[0][0], 2, 1, 1);
}
@@ -1145,7 +1145,7 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
s->decode_mb= msmpeg4v34_decode_mb;
break;
case 5:
s->decode_mb= wmv2_decode_mb;
s->decode_mb= ff_wmv2_decode_mb;
case 6:
//FIXME + TODO VC1 decode mb
break;
@@ -1508,7 +1508,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
s->dsp.clear_blocks(s->block[0]);
for (i = 0; i < 6; i++) {
if (msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
{
av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding block: %d x %d (%d)\n", s->mb_x, s->mb_y, i);
return -1;
@@ -1541,7 +1541,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
}
}
code = get_vlc2(&s->gb, mb_non_intra_vlc[DEFAULT_INTER_INDEX].table, MB_NON_INTRA_VLC_BITS, 3);
code = get_vlc2(&s->gb, ff_mb_non_intra_vlc[DEFAULT_INTER_INDEX].table, MB_NON_INTRA_VLC_BITS, 3);
if (code < 0)
return -1;
//s->mb_intra = (code & 0x40) ? 0 : 1;
@@ -1558,7 +1558,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
for(i=0;i<6;i++) {
int val = ((code >> (5 - i)) & 1);
if (i < 4) {
int pred = coded_block_pred(s, i, &coded_val);
int pred = ff_msmpeg4_coded_block_pred(s, i, &coded_val);
val = val ^ pred;
*coded_val = val;
}
@@ -1574,7 +1574,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
s->rl_chroma_table_index = s->rl_table_index;
}
h263_pred_motion(s, 0, 0, &mx, &my);
if (msmpeg4_decode_motion(s, &mx, &my) < 0)
if (ff_msmpeg4_decode_motion(s, &mx, &my) < 0)
return -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
@@ -1586,7 +1586,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
s->ac_pred = get_bits1(&s->gb);
*mb_type_ptr = MB_TYPE_INTRA;
if(s->inter_intra_pred){
s->h263_aic_dir= get_vlc2(&s->gb, inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
s->h263_aic_dir= get_vlc2(&s->gb, ff_inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
// printf("%d%d %d %d/", s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
}
if(s->per_mb_rl_table && cbp){
@@ -1597,7 +1597,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
s->dsp.clear_blocks(s->block[0]);
for (i = 0; i < 6; i++) {
if (msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
{
av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding block: %d x %d (%d)\n", s->mb_x, s->mb_y, i);
return -1;
@@ -1607,7 +1607,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
return 0;
}
//#define ERROR_DETAILS
static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, const uint8_t *scan_table)
{
int level, i, last, run, run_diff;
@@ -1911,7 +1911,7 @@ static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
return level;
}
static int msmpeg4_decode_motion(MpegEncContext * s,
int ff_msmpeg4_decode_motion(MpegEncContext * s,
int *mx_ptr, int *my_ptr)
{
MVTable *mv;