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Memory leak fix patch by (Burkhard Plaum <plaum >at< ipf.uni-stuttgart )dot( de>)

Browse Source 
Originally committed as revision 3717 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Burkhard Plaum 2004-11-27 18:10:06 +00:00 committed by Michael Niedermayer
parent 8a6cb11455
commit 073c2593c9
21 changed files with 193 additions and 138 deletions
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15
libavcodec/4xm.c
View File

@ -220,17 +220,12 @@ static void idct(DCTELEM block[64]){
}
static void init_vlcs(FourXContext *f){
static int done = 0;
int i;
if (!done) {
done = 1;
for(i=0; i<4; i++){
init_vlc(&block_type_vlc[i], BLOCK_TYPE_VLC_BITS, 7,
&block_type_tab[i][0][1], 2, 1,
&block_type_tab[i][0][0], 2, 1);
}
for(i=0; i<4; i++){
init_vlc(&block_type_vlc[i], BLOCK_TYPE_VLC_BITS, 7,
&block_type_tab[i][0][1], 2, 1,
&block_type_tab[i][0][0], 2, 1, 1);
}
}
@ -544,7 +539,7 @@ static uint8_t *read_huffman_tables(FourXContext *f, uint8_t * const buf){
init_vlc(&f->pre_vlc, ACDC_VLC_BITS, 257,
len_tab , 1, 1,
bits_tab, 4, 4);
bits_tab, 4, 4, 0);
return ptr;
}

10
libavcodec/asv1.c
View File

@ -137,19 +137,19 @@ static void init_vlcs(ASV1Context *a){
init_vlc(&ccp_vlc, VLC_BITS, 17,
&ccp_tab[0][1], 2, 1,
&ccp_tab[0][0], 2, 1);
&ccp_tab[0][0], 2, 1, 1);
init_vlc(&dc_ccp_vlc, VLC_BITS, 8,
&dc_ccp_tab[0][1], 2, 1,
&dc_ccp_tab[0][0], 2, 1);
&dc_ccp_tab[0][0], 2, 1, 1);
init_vlc(&ac_ccp_vlc, VLC_BITS, 16,
&ac_ccp_tab[0][1], 2, 1,
&ac_ccp_tab[0][0], 2, 1);
&ac_ccp_tab[0][0], 2, 1, 1);
init_vlc(&level_vlc, VLC_BITS, 7,
&level_tab[0][1], 2, 1,
&level_tab[0][0], 2, 1);
&level_tab[0][0], 2, 1, 1);
init_vlc(&asv2_level_vlc, ASV2_LEVEL_VLC_BITS, 63,
&asv2_level_tab[0][1], 2, 1,
&asv2_level_tab[0][0], 2, 1);
&asv2_level_tab[0][0], 2, 1, 1);
}
}

1
libavcodec/avcodec.h
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@ -2200,6 +2200,7 @@ void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size);
/* call av_free_static to release all staticaly allocated tables */
void av_free_static(void);
void *av_mallocz_static(unsigned int size);
void *av_realloc_static(void *ptr, unsigned int size);
/* add by bero : in adx.c */
int is_adx(const unsigned char *buf,size_t bufsize);

38
libavcodec/common.c
View File

@ -126,15 +126,19 @@ int check_marker(GetBitContext *s, const char *msg)
}
static int alloc_table(VLC *vlc, int size)
static int alloc_table(VLC *vlc, int size, int use_static)
{
int index;
index = vlc->table_size;
vlc->table_size += size;
if (vlc->table_size > vlc->table_allocated) {
vlc->table_allocated += (1 << vlc->bits);
vlc->table = av_realloc(vlc->table,
sizeof(VLC_TYPE) * 2 * vlc->table_allocated);
if(use_static)
vlc->table = av_realloc_static(vlc->table,
sizeof(VLC_TYPE) * 2 * vlc->table_allocated);
else
vlc->table = av_realloc(vlc->table,
sizeof(VLC_TYPE) * 2 * vlc->table_allocated);
if (!vlc->table)
return -1;
}
@ -145,14 +149,14 @@ static int build_table(VLC *vlc, int table_nb_bits,
int nb_codes,
const void *bits, int bits_wrap, int bits_size,
const void *codes, int codes_wrap, int codes_size,
uint32_t code_prefix, int n_prefix)
uint32_t code_prefix, int n_prefix, int use_static)
{
int i, j, k, n, table_size, table_index, nb, n1, index;
uint32_t code;
VLC_TYPE (*table)[2];
table_size = 1 << table_nb_bits;
table_index = alloc_table(vlc, table_size);
table_index = alloc_table(vlc, table_size, use_static);
#ifdef DEBUG_VLC
printf("new table index=%d size=%d code_prefix=%x n=%d\n",
table_index, table_size, code_prefix, n_prefix);
@ -225,7 +229,7 @@ static int build_table(VLC *vlc, int table_nb_bits,
bits, bits_wrap, bits_size,
codes, codes_wrap, codes_size,
(code_prefix << table_nb_bits) | i,
n_prefix + table_nb_bits);
n_prefix + table_nb_bits, use_static);
if (index < 0)
return -1;
/* note: realloc has been done, so reload tables */
@ -257,15 +261,27 @@ static int build_table(VLC *vlc, int table_nb_bits,
'wrap' and 'size' allows to use any memory configuration and types
(byte/word/long) to store the 'bits' and 'codes' tables.
'use_static' should be set to 1 for tables, which should be freed
with av_free_static(), 0 if free_vlc() will be used.
*/
int init_vlc(VLC *vlc, int nb_bits, int nb_codes,
const void *bits, int bits_wrap, int bits_size,
const void *codes, int codes_wrap, int codes_size)
const void *codes, int codes_wrap, int codes_size,
int use_static)
{
vlc->bits = nb_bits;
vlc->table = NULL;
vlc->table_allocated = 0;
vlc->table_size = 0;
if(!use_static) {
vlc->table = NULL;
vlc->table_allocated = 0;
vlc->table_size = 0;
} else {
/* Static tables are initially always NULL, return
if vlc->table != NULL to avoid double allocation */
if(vlc->table)
return 0;
}
#ifdef DEBUG_VLC
printf("build table nb_codes=%d\n", nb_codes);
#endif
@ -273,7 +289,7 @@ int init_vlc(VLC *vlc, int nb_bits, int nb_codes,
if (build_table(vlc, nb_bits, nb_codes,
bits, bits_wrap, bits_size,
codes, codes_wrap, codes_size,
0, 0) < 0) {
0, 0, use_static) < 0) {
av_free(vlc->table);
return -1;
}

3
libavcodec/common.h
View File

@ -939,7 +939,8 @@ int check_marker(GetBitContext *s, const char *msg);
void align_get_bits(GetBitContext *s);
int init_vlc(VLC *vlc, int nb_bits, int nb_codes,
const void *bits, int bits_wrap, int bits_size,
const void *codes, int codes_wrap, int codes_size);
const void *codes, int codes_wrap, int codes_size,
int use_static);
void free_vlc(VLC *vlc);
/**

2
libavcodec/dv.c
View File

@ -144,7 +144,7 @@ static int dvvideo_init(AVCodecContext *avctx)
/* NOTE: as a trick, we use the fact the no codes are unused
to accelerate the parsing of partial codes */
init_vlc(&dv_vlc, TEX_VLC_BITS, j,
new_dv_vlc_len, 1, 1, new_dv_vlc_bits, 2, 2);
new_dv_vlc_len, 1, 1, new_dv_vlc_bits, 2, 2, 0);
dv_rl_vlc = av_malloc(dv_vlc.table_size * sizeof(RL_VLC_ELEM));
if (!dv_rl_vlc) {

16
libavcodec/h261.c
View File

@ -282,7 +282,7 @@ void ff_h261_encode_init(MpegEncContext *s){
if (!done) {
done = 1;
init_rl(&h261_rl_tcoeff);
init_rl(&h261_rl_tcoeff, 1);
}
s->min_qcoeff= -127;
@ -372,7 +372,7 @@ static VLC h261_mtype_vlc;
static VLC h261_mv_vlc;
static VLC h261_cbp_vlc;
void init_vlc_rl(RLTable *rl);
void init_vlc_rl(RLTable *rl, int use_static);
static void h261_decode_init_vlc(H261Context *h){
static int done = 0;
@ -381,18 +381,18 @@ static void h261_decode_init_vlc(H261Context *h){
done = 1;
init_vlc(&h261_mba_vlc, H261_MBA_VLC_BITS, 35,
h261_mba_bits, 1, 1,
h261_mba_code, 1, 1);
h261_mba_code, 1, 1, 1);
init_vlc(&h261_mtype_vlc, H261_MTYPE_VLC_BITS, 10,
h261_mtype_bits, 1, 1,
h261_mtype_code, 1, 1);
h261_mtype_code, 1, 1, 1);
init_vlc(&h261_mv_vlc, H261_MV_VLC_BITS, 17,
&h261_mv_tab[0][1], 2, 1,
&h261_mv_tab[0][0], 2, 1);
&h261_mv_tab[0][0], 2, 1, 1);
init_vlc(&h261_cbp_vlc, H261_CBP_VLC_BITS, 63,
&h261_cbp_tab[0][1], 2, 1,
&h261_cbp_tab[0][0], 2, 1);
init_rl(&h261_rl_tcoeff);
init_vlc_rl(&h261_rl_tcoeff);
&h261_cbp_tab[0][0], 2, 1, 1);
init_rl(&h261_rl_tcoeff, 1);
init_vlc_rl(&h261_rl_tcoeff, 1);
}
}

62
libavcodec/h263.c
View File

@ -1931,9 +1931,9 @@ void h263_encode_init(MpegEncContext *s)
init_uni_dc_tab();
init_rl(&rl_inter);
init_rl(&rl_intra);
init_rl(&rl_intra_aic);
init_rl(&rl_inter, 1);
init_rl(&rl_intra, 1);
init_rl(&rl_intra_aic, 1);
init_uni_mpeg4_rl_tab(&rl_intra, uni_mpeg4_intra_rl_bits, uni_mpeg4_intra_rl_len);
init_uni_mpeg4_rl_tab(&rl_inter, uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len);
@ -2797,13 +2797,17 @@ static VLC mb_type_b_vlc;
static VLC h263_mbtype_b_vlc;
static VLC cbpc_b_vlc;
void init_vlc_rl(RLTable *rl)
void init_vlc_rl(RLTable *rl, int use_static)
{
int i, q;
/* Return if static table is already initialized */
if(use_static && rl->rl_vlc[0])
return;
init_vlc(&rl->vlc, 9, rl->n + 1,
&rl->table_vlc[0][1], 4, 2,
&rl->table_vlc[0][0], 4, 2);
&rl->table_vlc[0][0], 4, 2, use_static);
for(q=0; q<32; q++){
@ -2814,8 +2818,10 @@ void init_vlc_rl(RLTable *rl)
qmul=1;
qadd=0;
}
rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
if(use_static)
rl->rl_vlc[q]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
else
rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
for(i=0; i<rl->vlc.table_size; i++){
int code= rl->vlc.table[i][0];
int len = rl->vlc.table[i][1];
@ -2856,44 +2862,44 @@ void h263_decode_init_vlc(MpegEncContext *s)
init_vlc(&intra_MCBPC_vlc, INTRA_MCBPC_VLC_BITS, 9,
intra_MCBPC_bits, 1, 1,
intra_MCBPC_code, 1, 1);
intra_MCBPC_code, 1, 1, 1);
init_vlc(&inter_MCBPC_vlc, INTER_MCBPC_VLC_BITS, 28,
inter_MCBPC_bits, 1, 1,
inter_MCBPC_code, 1, 1);
inter_MCBPC_code, 1, 1, 1);
init_vlc(&cbpy_vlc, CBPY_VLC_BITS, 16,
&cbpy_tab[0][1], 2, 1,
&cbpy_tab[0][0], 2, 1);
&cbpy_tab[0][0], 2, 1, 1);
init_vlc(&mv_vlc, MV_VLC_BITS, 33,
&mvtab[0][1], 2, 1,
&mvtab[0][0], 2, 1);
init_rl(&rl_inter);
init_rl(&rl_intra);
init_rl(&rvlc_rl_inter);
init_rl(&rvlc_rl_intra);
init_rl(&rl_intra_aic);
init_vlc_rl(&rl_inter);
init_vlc_rl(&rl_intra);
init_vlc_rl(&rvlc_rl_inter);
init_vlc_rl(&rvlc_rl_intra);
init_vlc_rl(&rl_intra_aic);
&mvtab[0][0], 2, 1, 1);
init_rl(&rl_inter, 1);
init_rl(&rl_intra, 1);
init_rl(&rvlc_rl_inter, 1);
init_rl(&rvlc_rl_intra, 1);
init_rl(&rl_intra_aic, 1);
init_vlc_rl(&rl_inter, 1);
init_vlc_rl(&rl_intra, 1);
init_vlc_rl(&rvlc_rl_inter, 1);
init_vlc_rl(&rvlc_rl_intra, 1);
init_vlc_rl(&rl_intra_aic, 1);
init_vlc(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
&DCtab_lum[0][1], 2, 1,
&DCtab_lum[0][0], 2, 1);
&DCtab_lum[0][0], 2, 1, 1);
init_vlc(&dc_chrom, DC_VLC_BITS, 10 /* 13 */,
&DCtab_chrom[0][1], 2, 1,
&DCtab_chrom[0][0], 2, 1);
&DCtab_chrom[0][0], 2, 1, 1);
init_vlc(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
&sprite_trajectory_tab[0][1], 4, 2,
&sprite_trajectory_tab[0][0], 4, 2);
&sprite_trajectory_tab[0][0], 4, 2, 1);
init_vlc(&mb_type_b_vlc, MB_TYPE_B_VLC_BITS, 4,
&mb_type_b_tab[0][1], 2, 1,
&mb_type_b_tab[0][0], 2, 1);
&mb_type_b_tab[0][0], 2, 1, 1);
init_vlc(&h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,
&h263_mbtype_b_tab[0][1], 2, 1,
&h263_mbtype_b_tab[0][0], 2, 1);
&h263_mbtype_b_tab[0][0], 2, 1, 1);
init_vlc(&cbpc_b_vlc, CBPC_B_VLC_BITS, 4,
&cbpc_b_tab[0][1], 2, 1,
&cbpc_b_tab[0][0], 2, 1);
&cbpc_b_tab[0][0], 2, 1, 1);
}
}

12
libavcodec/h264.c
View File

@ -2091,33 +2091,33 @@ static void decode_init_vlc(H264Context *h){
init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
&chroma_dc_coeff_token_len [0], 1, 1,
&chroma_dc_coeff_token_bits[0], 1, 1);
&chroma_dc_coeff_token_bits[0], 1, 1, 1);
for(i=0; i<4; i++){
init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
&coeff_token_len [i][0], 1, 1,
&coeff_token_bits[i][0], 1, 1);
&coeff_token_bits[i][0], 1, 1, 1);
}
for(i=0; i<3; i++){
init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
&chroma_dc_total_zeros_len [i][0], 1, 1,
&chroma_dc_total_zeros_bits[i][0], 1, 1);
&chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
}
for(i=0; i<15; i++){
init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
&total_zeros_len [i][0], 1, 1,
&total_zeros_bits[i][0], 1, 1);
&total_zeros_bits[i][0], 1, 1, 1);
}
for(i=0; i<6; i++){
init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
&run_len [i][0], 1, 1,
&run_bits[i][0], 1, 1);
&run_bits[i][0], 1, 1, 1);
}
init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
&run_len [6][0], 1, 1,
&run_bits[6][0], 1, 1);
&run_bits[6][0], 1, 1, 1);
}
}

4
libavcodec/huffyuv.c
View File

@ -308,7 +308,7 @@ printf("%6X, %2d, %3d\n", s->bits[i][j], s->len[i][j], j);
}
#endif
free_vlc(&s->vlc[i]);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
}
return (get_bits_count(&gb)+7)/8;
@ -336,7 +336,7 @@ static int read_old_huffman_tables(HYuvContext *s){
for(i=0; i<3; i++){
free_vlc(&s->vlc[i]);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
}
return 0;

14
libavcodec/mjpeg.c
View File

@ -844,7 +844,7 @@ typedef struct MJpegDecodeContext {
static int mjpeg_decode_dht(MJpegDecodeContext *s);
static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_table,
int nb_codes)
int nb_codes, int use_static)
{
uint8_t huff_size[256];
uint16_t huff_code[256];
@ -852,7 +852,7 @@ static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_tab
memset(huff_size, 0, sizeof(huff_size));
build_huffman_codes(huff_size, huff_code, bits_table, val_table);
return init_vlc(vlc, 9, nb_codes, huff_size, 1, 1, huff_code, 2, 2);
return init_vlc(vlc, 9, nb_codes, huff_size, 1, 1, huff_code, 2, 2, use_static);
}
static int mjpeg_decode_init(AVCodecContext *avctx)
@ -882,10 +882,10 @@ static int mjpeg_decode_init(AVCodecContext *avctx)
s->first_picture = 1;
s->org_height = avctx->coded_height;
build_vlc(&s->vlcs[0][0], bits_dc_luminance, val_dc_luminance, 12);
build_vlc(&s->vlcs[0][1], bits_dc_chrominance, val_dc_chrominance, 12);
build_vlc(&s->vlcs[1][0], bits_ac_luminance, val_ac_luminance, 251);
build_vlc(&s->vlcs[1][1], bits_ac_chrominance, val_ac_chrominance, 251);
build_vlc(&s->vlcs[0][0], bits_dc_luminance, val_dc_luminance, 12, 0);
build_vlc(&s->vlcs[0][1], bits_dc_chrominance, val_dc_chrominance, 12, 0);
build_vlc(&s->vlcs[1][0], bits_ac_luminance, val_ac_luminance, 251, 0);
build_vlc(&s->vlcs[1][1], bits_ac_chrominance, val_ac_chrominance, 251, 0);
if (avctx->flags & CODEC_FLAG_EXTERN_HUFF)
{
@ -1036,7 +1036,7 @@ static int mjpeg_decode_dht(MJpegDecodeContext *s)
free_vlc(&s->vlcs[class][index]);
dprintf("class=%d index=%d nb_codes=%d\n",
class, index, code_max + 1);
if(build_vlc(&s->vlcs[class][index], bits_table, val_table, code_max + 1) < 0){
if(build_vlc(&s->vlcs[class][index], bits_table, val_table, code_max + 1, 0) < 0){
return -1;
}
}

35
libavcodec/mpeg12.c
View File

@ -104,16 +104,19 @@ static uint8_t mpeg1_index_run[2][64];
static int8_t mpeg1_max_level[2][64];
#endif //CONFIG_ENCODERS
static void init_2d_vlc_rl(RLTable *rl)
static void init_2d_vlc_rl(RLTable *rl, int use_static)
{
int i;
init_vlc(&rl->vlc, TEX_VLC_BITS, rl->n + 2,
&rl->table_vlc[0][1], 4, 2,
&rl->table_vlc[0][0], 4, 2);
&rl->table_vlc[0][0], 4, 2, use_static);
if(use_static)
rl->rl_vlc[0]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
else
rl->rl_vlc[0]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
rl->rl_vlc[0]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
for(i=0; i<rl->vlc.table_size; i++){
int code= rl->vlc.table[i][0];
int len = rl->vlc.table[i][1];
@ -763,7 +766,7 @@ void ff_mpeg1_encode_init(MpegEncContext *s)
int i;
done=1;
init_rl(&rl_mpeg1);
init_rl(&rl_mpeg1, 1);
for(i=0; i<64; i++)
{
@ -991,31 +994,31 @@ static void init_vlcs(void)
init_vlc(&dc_lum_vlc, DC_VLC_BITS, 12,
vlc_dc_lum_bits, 1, 1,
vlc_dc_lum_code, 2, 2);
vlc_dc_lum_code, 2, 2, 1);
init_vlc(&dc_chroma_vlc, DC_VLC_BITS, 12,
vlc_dc_chroma_bits, 1, 1,
vlc_dc_chroma_code, 2, 2);
vlc_dc_chroma_code, 2, 2, 1);
init_vlc(&mv_vlc, MV_VLC_BITS, 17,
&mbMotionVectorTable[0][1], 2, 1,
&mbMotionVectorTable[0][0], 2, 1);
&mbMotionVectorTable[0][0], 2, 1, 1);
init_vlc(&mbincr_vlc, MBINCR_VLC_BITS, 36,
&mbAddrIncrTable[0][1], 2, 1,
&mbAddrIncrTable[0][0], 2, 1);
&mbAddrIncrTable[0][0], 2, 1, 1);
init_vlc(&mb_pat_vlc, MB_PAT_VLC_BITS, 64,
&mbPatTable[0][1], 2, 1,
&mbPatTable[0][0], 2, 1);
&mbPatTable[0][0], 2, 1, 1);
init_vlc(&mb_ptype_vlc, MB_PTYPE_VLC_BITS, 7,
&table_mb_ptype[0][1], 2, 1,
&table_mb_ptype[0][0], 2, 1);
&table_mb_ptype[0][0], 2, 1, 1);
init_vlc(&mb_btype_vlc, MB_BTYPE_VLC_BITS, 11,
&table_mb_btype[0][1], 2, 1,
&table_mb_btype[0][0], 2, 1);
init_rl(&rl_mpeg1);
init_rl(&rl_mpeg2);
&table_mb_btype[0][0], 2, 1, 1);
init_rl(&rl_mpeg1, 1);
init_rl(&rl_mpeg2, 1);
init_2d_vlc_rl(&rl_mpeg1);
init_2d_vlc_rl(&rl_mpeg2);
init_2d_vlc_rl(&rl_mpeg1, 1);
init_2d_vlc_rl(&rl_mpeg2, 1);
}
}

4
libavcodec/mpegaudiodec.c
View File

@ -375,7 +375,7 @@ static int decode_init(AVCodecContext * avctx)
n = xsize * xsize;
/* XXX: fail test */
init_vlc(&huff_vlc[i], 8, n,
h->bits, 1, 1, h->codes, 2, 2);
h->bits, 1, 1, h->codes, 2, 2, 1);
code_table = av_mallocz(n);
j = 0;
@ -387,7 +387,7 @@ static int decode_init(AVCodecContext * avctx)
}
for(i=0;i<2;i++) {
init_vlc(&huff_quad_vlc[i], i == 0 ? 7 : 4, 16,
mpa_quad_bits[i], 1, 1, mpa_quad_codes[i], 1, 1);
mpa_quad_bits[i], 1, 1, mpa_quad_codes[i], 1, 1, 1);
}
for(i=0;i<9;i++) {

21
libavcodec/mpegvideo.c
View File

@ -1267,12 +1267,16 @@ int MPV_encode_end(AVCodecContext *avctx)
#endif //CONFIG_ENCODERS
void init_rl(RLTable *rl)
void init_rl(RLTable *rl, int use_static)
{
int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1];
uint8_t index_run[MAX_RUN+1];
int last, run, level, start, end, i;
/* If table is static, we can quit if rl->max_level[0] is not NULL */
if(use_static && rl->max_level[0])
return;
/* compute max_level[], max_run[] and index_run[] */
for(last=0;last<2;last++) {
if (last == 0) {
@ -1296,11 +1300,20 @@ void init_rl(RLTable *rl)
if (run > max_run[level])
max_run[level] = run;
}
rl->max_level[last] = av_malloc(MAX_RUN + 1);
if(use_static)
rl->max_level[last] = av_mallocz_static(MAX_RUN + 1);
else
rl->max_level[last] = av_malloc(MAX_RUN + 1);
memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
if(use_static)
rl->max_run[last] = av_mallocz_static(MAX_LEVEL + 1);
else
rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
rl->index_run[last] = av_malloc(MAX_RUN + 1);
if(use_static)
rl->index_run[last] = av_mallocz_static(MAX_RUN + 1);
else
rl->index_run[last] = av_malloc(MAX_RUN + 1);
memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
}
}

4
libavcodec/mpegvideo.h
View File

@ -841,8 +841,8 @@ typedef struct RLTable {
RL_VLC_ELEM *rl_vlc[32]; ///< decoding only
} RLTable;
void init_rl(RLTable *rl);
void init_vlc_rl(RLTable *rl);
void init_rl(RLTable *rl, int use_static);
void init_vlc_rl(RLTable *rl, int use_static);
static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
{

38
libavcodec/msmpeg4.c
View File

@ -239,7 +239,7 @@ void ff_msmpeg4_encode_init(MpegEncContext *s)
init_mv_table(&mv_tables[0]);
init_mv_table(&mv_tables[1]);
for(i=0;i<NB_RL_TABLES;i++)
init_rl(&rl_table[i]);
init_rl(&rl_table[i], 1);
for(i=0; i<NB_RL_TABLES; i++){
int level;
@ -1111,69 +1111,69 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
done = 1;
for(i=0;i<NB_RL_TABLES;i++) {
init_rl(&rl_table[i]);
init_vlc_rl(&rl_table[i]);
init_rl(&rl_table[i], 1);
init_vlc_rl(&rl_table[i], 1);
}
for(i=0;i<2;i++) {
mv = &mv_tables[i];
init_vlc(&mv->vlc, MV_VLC_BITS, mv->n + 1,
mv->table_mv_bits, 1, 1,
mv->table_mv_code, 2, 2);
mv->table_mv_code, 2, 2, 1);
}
init_vlc(&dc_lum_vlc[0], DC_VLC_BITS, 120,
&table0_dc_lum[0][1], 8, 4,
&table0_dc_lum[0][0], 8, 4);
&table0_dc_lum[0][0], 8, 4, 1);
init_vlc(&dc_chroma_vlc[0], DC_VLC_BITS, 120,
&table0_dc_chroma[0][1], 8, 4,
&table0_dc_chroma[0][0], 8, 4);
&table0_dc_chroma[0][0], 8, 4, 1);
init_vlc(&dc_lum_vlc[1], DC_VLC_BITS, 120,
&table1_dc_lum[0][1], 8, 4,
&table1_dc_lum[0][0], 8, 4);
&table1_dc_lum[0][0], 8, 4, 1);
init_vlc(&dc_chroma_vlc[1], DC_VLC_BITS, 120,
&table1_dc_chroma[0][1], 8, 4,
&table1_dc_chroma[0][0], 8, 4);
&table1_dc_chroma[0][0], 8, 4, 1);
init_vlc(&v2_dc_lum_vlc, DC_VLC_BITS, 512,
&v2_dc_lum_table[0][1], 8, 4,
&v2_dc_lum_table[0][0], 8, 4);
&v2_dc_lum_table[0][0], 8, 4, 1);
init_vlc(&v2_dc_chroma_vlc, DC_VLC_BITS, 512,
&v2_dc_chroma_table[0][1], 8, 4,
&v2_dc_chroma_table[0][0], 8, 4);
&v2_dc_chroma_table[0][0], 8, 4, 1);
init_vlc(&cbpy_vlc, CBPY_VLC_BITS, 16,
&cbpy_tab[0][1], 2, 1,
&cbpy_tab[0][0], 2, 1);
&cbpy_tab[0][0], 2, 1, 1);
init_vlc(&v2_intra_cbpc_vlc, V2_INTRA_CBPC_VLC_BITS, 4,
&v2_intra_cbpc[0][1], 2, 1,
&v2_intra_cbpc[0][0], 2, 1);
&v2_intra_cbpc[0][0], 2, 1, 1);
init_vlc(&v2_mb_type_vlc, V2_MB_TYPE_VLC_BITS, 8,
&v2_mb_type[0][1], 2, 1,
&v2_mb_type[0][0], 2, 1);
&v2_mb_type[0][0], 2, 1, 1);
init_vlc(&v2_mv_vlc, V2_MV_VLC_BITS, 33,
&mvtab[0][1], 2, 1,
&mvtab[0][0], 2, 1);
&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,
&wmv2_inter_table[i][0][1], 8, 4,
&wmv2_inter_table[i][0][0], 8, 4); //FIXME name?
&wmv2_inter_table[i][0][0], 8, 4, 1); //FIXME name?
}
init_vlc(&mb_intra_vlc, MB_INTRA_VLC_BITS, 64,
&table_mb_intra[0][1], 4, 2,
&table_mb_intra[0][0], 4, 2);
&table_mb_intra[0][0], 4, 2, 1);
init_vlc(&v1_intra_cbpc_vlc, V1_INTRA_CBPC_VLC_BITS, 8,
intra_MCBPC_bits, 1, 1,
intra_MCBPC_code, 1, 1);
intra_MCBPC_code, 1, 1, 1);
init_vlc(&v1_inter_cbpc_vlc, V1_INTER_CBPC_VLC_BITS, 25,
inter_MCBPC_bits, 1, 1,
inter_MCBPC_code, 1, 1);
inter_MCBPC_code, 1, 1, 1);
init_vlc(&inter_intra_vlc, INTER_INTRA_VLC_BITS, 4,
&table_inter_intra[0][1], 2, 1,
&table_inter_intra[0][0], 2, 1);
&table_inter_intra[0][0], 2, 1, 1);
}
switch(s->msmpeg4_version){

4
libavcodec/rv10.c
View File

@ -518,10 +518,10 @@ static int rv10_decode_init(AVCodecContext *avctx)
if (!done) {
init_vlc(&rv_dc_lum, DC_VLC_BITS, 256,
rv_lum_bits, 1, 1,
rv_lum_code, 2, 2);
rv_lum_code, 2, 2, 1);
init_vlc(&rv_dc_chrom, DC_VLC_BITS, 256,
rv_chrom_bits, 1, 1,
rv_chrom_code, 2, 2);
rv_chrom_code, 2, 2, 1);
done = 1;
}

12
libavcodec/svq1.c
View File

@ -844,28 +844,28 @@ static int svq1_decode_init(AVCodecContext *avctx)
init_vlc(&svq1_block_type, 2, 4,
&svq1_block_type_vlc[0][1], 2, 1,
&svq1_block_type_vlc[0][0], 2, 1);
&svq1_block_type_vlc[0][0], 2, 1, 1);
init_vlc(&svq1_motion_component, 7, 33,
&mvtab[0][1], 2, 1,
&mvtab[0][0], 2, 1);
&mvtab[0][0], 2, 1, 1);
for (i = 0; i < 6; i++) {
init_vlc(&svq1_intra_multistage[i], 3, 8,
&svq1_intra_multistage_vlc[i][0][1], 2, 1,
&svq1_intra_multistage_vlc[i][0][0], 2, 1);
&svq1_intra_multistage_vlc[i][0][0], 2, 1, 1);
init_vlc(&svq1_inter_multistage[i], 3, 8,
&svq1_inter_multistage_vlc[i][0][1], 2, 1,
&svq1_inter_multistage_vlc[i][0][0], 2, 1);
&svq1_inter_multistage_vlc[i][0][0], 2, 1, 1);
}
init_vlc(&svq1_intra_mean, 8, 256,
&svq1_intra_mean_vlc[0][1], 4, 2,
&svq1_intra_mean_vlc[0][0], 4, 2);
&svq1_intra_mean_vlc[0][0], 4, 2, 1);
init_vlc(&svq1_inter_mean, 9, 512,
&svq1_inter_mean_vlc[0][1], 4, 2,
&svq1_inter_mean_vlc[0][0], 4, 2);
&svq1_inter_mean_vlc[0][0], 4, 2, 1);
return 0;
}

20
libavcodec/utils.c
View File

@ -89,6 +89,26 @@ void *av_mallocz_static(unsigned int size)
return ptr;
}
/**
* same as above, but does realloc
*/
void *av_realloc_static(void *ptr, unsigned int size)
{
int i;
if(!ptr)
return av_mallocz_static(size);
/* Look for the old ptr */
for(i = 0; i < last_static; i++) {
if(array_static[i] == ptr) {
array_static[i] = av_realloc(array_static[i], size);
return array_static[i];
}
}
return NULL;
}
/**
* free all static arrays and reset pointers to 0.
*/

10
libavcodec/vp3.c
View File

@ -2420,27 +2420,27 @@ static int vp3_decode_init(AVCodecContext *avctx)
/* DC histograms */
init_vlc(&s->dc_vlc[i], 5, 32,
&dc_bias[i][0][1], 4, 2,
&dc_bias[i][0][0], 4, 2);
&dc_bias[i][0][0], 4, 2, 0);
/* group 1 AC histograms */
init_vlc(&s->ac_vlc_1[i], 5, 32,
&ac_bias_0[i][0][1], 4, 2,
&ac_bias_0[i][0][0], 4, 2);
&ac_bias_0[i][0][0], 4, 2, 0);
/* group 2 AC histograms */
init_vlc(&s->ac_vlc_2[i], 5, 32,
&ac_bias_1[i][0][1], 4, 2,
&ac_bias_1[i][0][0], 4, 2);
&ac_bias_1[i][0][0], 4, 2, 0);
/* group 3 AC histograms */
init_vlc(&s->ac_vlc_3[i], 5, 32,
&ac_bias_2[i][0][1], 4, 2,
&ac_bias_2[i][0][0], 4, 2);
&ac_bias_2[i][0][0], 4, 2, 0);
/* group 4 AC histograms */
init_vlc(&s->ac_vlc_4[i], 5, 32,
&ac_bias_3[i][0][1], 4, 2,
&ac_bias_3[i][0][0], 4, 2);
&ac_bias_3[i][0][0], 4, 2, 0);
}
/* build quantization zigzag table */

6
libavcodec/wmadec.c
View File

@ -182,7 +182,7 @@ static void init_coef_vlc(VLC *vlc,
const uint16_t *p;
int i, l, j, level;
init_vlc(vlc, 9, n, table_bits, 1, 1, table_codes, 4, 4);
init_vlc(vlc, 9, n, table_bits, 1, 1, table_codes, 4, 4, 0);
run_table = av_malloc(n * sizeof(uint16_t));
level_table = av_malloc(n * sizeof(uint16_t));
@ -493,13 +493,13 @@ static int wma_decode_init(AVCodecContext * avctx)
#endif
init_vlc(&s->hgain_vlc, 9, sizeof(hgain_huffbits),
hgain_huffbits, 1, 1,
hgain_huffcodes, 2, 2);
hgain_huffcodes, 2, 2, 0);
}
if (s->use_exp_vlc) {
init_vlc(&s->exp_vlc, 9, sizeof(scale_huffbits),
scale_huffbits, 1, 1,
scale_huffcodes, 4, 4);
scale_huffcodes, 4, 4, 0);
} else {
wma_lsp_to_curve_init(s, s->frame_len);
}