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rvlc decoding support
Originally committed as revision 1678 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
parent
7fa140154f
commit
a4e8b58761
@ -70,7 +70,7 @@ static int h263_decode_block(MpegEncContext * s, DCTELEM * block,
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int n, int coded);
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static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr);
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static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
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int n, int coded, int intra);
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int n, int coded, int intra, int rvlc);
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static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr);
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#ifdef CONFIG_ENCODERS
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static void mpeg4_inv_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
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@ -2308,9 +2308,13 @@ void h263_decode_init_vlc(MpegEncContext *s)
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&mvtab[0][0], 2, 1);
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init_rl(&rl_inter);
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init_rl(&rl_intra);
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init_rl(&rvlc_rl_inter);
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init_rl(&rvlc_rl_intra);
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init_rl(&rl_intra_aic);
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init_vlc_rl(&rl_inter);
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init_vlc_rl(&rl_intra);
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init_vlc_rl(&rvlc_rl_inter);
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init_vlc_rl(&rvlc_rl_intra);
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init_vlc_rl(&rl_intra_aic);
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init_vlc(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
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&DCtab_lum[0][1], 2, 1,
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@ -3040,15 +3044,6 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64])
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}
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}else if(s->mb_intra){
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s->ac_pred = s->pred_dir_table[xy]>>7;
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/* decode each block */
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for (i = 0; i < 6; i++) {
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if(mpeg4_decode_block(s, block[i], i, cbp&32, 1) < 0){
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fprintf(stderr, "texture corrupted at %d %d\n", s->mb_x, s->mb_y);
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return -1;
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}
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cbp+=cbp;
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}
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}else if(!s->mb_intra){
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// s->mcsel= 0; //FIXME do we need to init that
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@ -3058,24 +3053,18 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64])
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} else {
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s->mv_type = MV_TYPE_16X16;
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}
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/* decode each block */
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for (i = 0; i < 6; i++) {
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if(mpeg4_decode_block(s, block[i], i, cbp&32, 0) < 0){
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fprintf(stderr, "texture corrupted at %d %d (trying to continue with mc/dc only)\n", s->mb_x, s->mb_y);
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return -1;
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}
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cbp+=cbp;
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}
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}
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} else { /* I-Frame */
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int i;
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s->mb_intra = 1;
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s->ac_pred = s->pred_dir_table[xy]>>7;
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}
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if (!(mb_type&MB_TYPE_SKIPED)) {
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int i;
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/* decode each block */
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for (i = 0; i < 6; i++) {
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if(mpeg4_decode_block(s, block[i], i, cbp&32, 1) < 0){
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fprintf(stderr, "texture corrupted at %d %d (trying to continue with dc only)\n", s->mb_x, s->mb_y);
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if(mpeg4_decode_block(s, block[i], i, cbp&32, s->mb_intra, s->rvlc) < 0){
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fprintf(stderr, "texture corrupted at %d %d %d\n", s->mb_x, s->mb_y, s->mb_intra);
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return -1;
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}
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cbp+=cbp;
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@ -3410,7 +3399,7 @@ intra:
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/* decode each block */
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if (s->h263_pred) {
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for (i = 0; i < 6; i++) {
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if (mpeg4_decode_block(s, block[i], i, cbp&32, 1) < 0)
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if (mpeg4_decode_block(s, block[i], i, cbp&32, 1, 0) < 0)
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return -1;
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cbp+=cbp;
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}
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@ -3427,7 +3416,7 @@ intra:
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/* decode each block */
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if (s->h263_pred) {
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for (i = 0; i < 6; i++) {
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if (mpeg4_decode_block(s, block[i], i, cbp&32, 0) < 0)
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if (mpeg4_decode_block(s, block[i], i, cbp&32, 0, 0) < 0)
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return -1;
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cbp+=cbp;
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}
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@ -3695,7 +3684,7 @@ static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
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* @return <0 if an error occured
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*/
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static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
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int n, int coded, int intra)
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int n, int coded, int intra, int rvlc)
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{
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int level, i, last, run;
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int dc_pred_dir;
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@ -3704,6 +3693,8 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
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const uint8_t * scan_table;
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int qmul, qadd;
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//Note intra & rvlc should be optimized away if this is inlined
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if(intra) {
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/* DC coef */
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if(s->partitioned_frame){
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@ -3720,8 +3711,14 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
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i = 0;
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if (!coded)
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goto not_coded;
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rl = &rl_intra;
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rl_vlc = rl_intra.rl_vlc[0];
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if(rvlc){
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rl = &rvlc_rl_intra;
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rl_vlc = rvlc_rl_intra.rl_vlc[0];
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}else{
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rl = &rl_intra;
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rl_vlc = rl_intra.rl_vlc[0];
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}
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if (s->ac_pred) {
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if (dc_pred_dir == 0)
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scan_table = s->intra_v_scantable.permutated; /* left */
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@ -3738,18 +3735,27 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
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s->block_last_index[n] = i;
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return 0;
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}
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rl = &rl_inter;
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if(rvlc) rl = &rvlc_rl_inter;
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else rl = &rl_inter;
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scan_table = s->intra_scantable.permutated;
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if(s->mpeg_quant){
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qmul=1;
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qadd=0;
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rl_vlc = rl_inter.rl_vlc[0];
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if(rvlc){
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rl_vlc = rvlc_rl_inter.rl_vlc[0];
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}else{
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rl_vlc = rl_inter.rl_vlc[0];
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}
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}else{
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qmul = s->qscale << 1;
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qadd = (s->qscale - 1) | 1;
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rl_vlc = rl_inter.rl_vlc[s->qscale];
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if(rvlc){
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rl_vlc = rvlc_rl_inter.rl_vlc[s->qscale];
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}else{
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rl_vlc = rl_inter.rl_vlc[s->qscale];
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}
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}
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}
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{
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@ -3758,9 +3764,39 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
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UPDATE_CACHE(re, &s->gb);
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GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
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if (level==0) {
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/* escape */
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if(rvlc){
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if(SHOW_UBITS(re, &s->gb, 1)==0){
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fprintf(stderr, "1. marker bit missing in rvlc esc\n");
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return -1;
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}; SKIP_CACHE(re, &s->gb, 1);
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last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
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run= SHOW_UBITS(re, &s->gb, 6); LAST_SKIP_CACHE(re, &s->gb, 6);
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SKIP_COUNTER(re, &s->gb, 1+1+6);
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UPDATE_CACHE(re, &s->gb);
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if(SHOW_UBITS(re, &s->gb, 1)==0){
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fprintf(stderr, "2. marker bit missing in rvlc esc\n");
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return -1;
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}; SKIP_CACHE(re, &s->gb, 1);
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level= SHOW_UBITS(re, &s->gb, 11); SKIP_CACHE(re, &s->gb, 11);
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if(SHOW_UBITS(re, &s->gb, 5)!=0x10){
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fprintf(stderr, "reverse esc missing\n");
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return -1;
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}; SKIP_CACHE(re, &s->gb, 5);
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level= level * qmul + qadd;
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level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1); LAST_SKIP_CACHE(re, &s->gb, 1);
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SKIP_COUNTER(re, &s->gb, 1+11+5+1);
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i+= run + 1;
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if(last) i+=192;
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}else{
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int cache;
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cache= GET_CACHE(re, &s->gb);
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/* escape */
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if (cache&0x80000000) {
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if (cache&0x40000000) {
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/* third escape */
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@ -3842,6 +3878,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
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level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
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LAST_SKIP_BITS(re, &s->gb, 1);
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}
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}
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} else {
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i+= run;
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level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
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@ -121,6 +121,214 @@ static RLTable rl_intra = {
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intra_level,
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};
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static const uint16_t inter_rvlc[170][2]={ //note this is identical to the intra rvlc except that its reordered
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{0x0006, 3},{0x0001, 4},{0x0004, 5},{0x001C, 7},
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{0x003C, 8},{0x003D, 8},{0x007C, 9},{0x00FC, 10},
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{0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},
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{0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},
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{0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007, 3},
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{0x000C, 6},{0x005C, 8},{0x007D, 9},{0x017C, 10},
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{0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},
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{0x17FD, 14},{0x000A, 4},{0x001D, 7},{0x00BC, 9},
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{0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},
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{0x0005, 5},{0x005D, 8},{0x017D, 10},{0x05FD, 12},
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{0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008, 5},
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{0x006C, 8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},
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{0x0009, 5},{0x00BD, 9},{0x037D, 11},{0x0EFD, 13},
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{0x000D, 6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},
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{0x0014, 6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},
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{0x0015, 6},{0x01DC, 10},{0x0F7C, 13},{0x002C, 7},
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{0x01DD, 10},{0x1EFC, 14},{0x002D, 7},{0x03BC, 11},
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{0x0034, 7},{0x077C, 12},{0x006D, 8},{0x0F7D, 13},
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{0x0074, 8},{0x1EFD, 14},{0x0075, 8},{0x1F7C, 14},
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{0x00DC, 9},{0x1F7D, 14},{0x00DD, 9},{0x1FBC, 14},
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{0x00EC, 9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},
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{0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},
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{0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},
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{0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},
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{0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},
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{0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},
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{0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13},
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{0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12},
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{0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11},
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{0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6},
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{0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6},
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{0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7},
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{0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7},
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{0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8},
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{0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8},
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{0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9},
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{0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10},
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{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
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{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
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{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
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{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
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{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
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{0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
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};
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static const uint8_t inter_rvlc_run[169]={
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 2, 2, 2,
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2, 2, 2, 2, 3, 3, 3, 3,
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3, 3, 3, 4, 4, 4, 4, 4,
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5, 5, 5, 5, 6, 6, 6, 6,
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7, 7, 7, 7, 8, 8, 8, 9,
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9, 9, 10, 10, 11, 11, 12, 12,
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13, 13, 14, 14, 15, 15, 16, 16,
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17, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31,
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32, 33, 34, 35, 36, 37, 38,
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0, 0, 0, 0, 0, 1, 1, 1,
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1, 1, 2, 2, 2, 3, 3, 4,
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4, 5, 5, 6, 6, 7, 7, 8,
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8, 9, 9, 10, 10, 11, 11, 12,
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12, 13, 13, 14, 15, 16, 17, 18,
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19, 20, 21, 22, 23, 24, 25, 26,
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27, 28, 29, 30, 31, 32, 33, 34,
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35, 36, 37, 38, 39, 40, 41, 42,
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43, 44,
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};
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static const uint8_t inter_rvlc_level[169]={
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1, 2, 3, 4, 5, 6, 7, 8,
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9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 1, 2, 3,
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4, 5, 6, 7, 1, 2, 3, 4,
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5, 6, 7, 1, 2, 3, 4, 5,
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1, 2, 3, 4, 1, 2, 3, 4,
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1, 2, 3, 4, 1, 2, 3, 1,
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2, 3, 1, 2, 1, 2, 1, 2,
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1, 2, 1, 2, 1, 2, 1, 2,
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1, 2, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1,
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1, 2, 3, 4, 5, 1, 2, 3,
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4, 5, 1, 2, 3, 1, 2, 1,
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2, 1, 2, 1, 2, 1, 2, 1,
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2, 1, 2, 1, 2, 1, 2, 1,
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2, 1, 2, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1,
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};
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static RLTable rvlc_rl_inter = {
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169,
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103,
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inter_rvlc,
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inter_rvlc_run,
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inter_rvlc_level,
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};
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static const uint16_t intra_rvlc[170][2]={
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{0x0006, 3},{0x0007, 3},{0x000A, 4},{0x0009, 5},
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{0x0014, 6},{0x0015, 6},{0x0034, 7},{0x0074, 8},
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{0x0075, 8},{0x00DD, 9},{0x00EC, 9},{0x01EC, 10},
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{0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},
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{0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},
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{0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},
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{0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001, 4},
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{0x0008, 5},{0x002D, 7},{0x006C, 8},{0x006D, 8},
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{0x00DC, 9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},
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{0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},
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{0x0004, 5},{0x002C, 7},{0x00BC, 9},{0x01DC, 10},
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{0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},
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{0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005, 5},
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{0x005C, 8},{0x00BD, 9},{0x037D, 11},{0x06FC, 12},
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{0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},
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{0x000C, 6},{0x005D, 8},{0x01BD, 10},{0x03FD, 12},
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{0x06FD, 12},{0x1BFD, 14},{0x000D, 6},{0x007D, 9},
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||||
{0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},
|
||||
{0x001C, 7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},
|
||||
{0x2FFC, 15},{0x001D, 7},{0x017D, 10},{0x037C, 11},
|
||||
{0x0DFD, 13},{0x2FFD, 15},{0x003C, 8},{0x01BC, 10},
|
||||
{0x0BFD, 13},{0x17FD, 14},{0x003D, 8},{0x01FD, 11},
|
||||
{0x0DFC, 13},{0x37FC, 15},{0x007C, 9},{0x03FC, 12},
|
||||
{0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},
|
||||
{0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},
|
||||
{0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},
|
||||
{0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13},
|
||||
{0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12},
|
||||
{0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11},
|
||||
{0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6},
|
||||
{0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6},
|
||||
{0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7},
|
||||
{0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7},
|
||||
{0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8},
|
||||
{0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8},
|
||||
{0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9},
|
||||
{0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10},
|
||||
{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
|
||||
{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
|
||||
{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
|
||||
{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
|
||||
{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
|
||||
{0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
|
||||
};
|
||||
|
||||
static const uint8_t intra_rvlc_run[169]={
|
||||
0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1,
|
||||
2, 2, 2, 2, 2, 2, 2, 2,
|
||||
2, 2, 2, 3, 3, 3, 3, 3,
|
||||
3, 3, 3, 3, 4, 4, 4, 4,
|
||||
4, 4, 5, 5, 5, 5, 5, 5,
|
||||
6, 6, 6, 6, 6, 7, 7, 7,
|
||||
7, 7, 8, 8, 8, 8, 9, 9,
|
||||
9, 9, 10, 10, 11, 11, 12, 12,
|
||||
13, 14, 15, 16, 17, 18, 19,
|
||||
0, 0, 0, 0, 0, 1, 1, 1,
|
||||
1, 1, 2, 2, 2, 3, 3, 4,
|
||||
4, 5, 5, 6, 6, 7, 7, 8,
|
||||
8, 9, 9, 10, 10, 11, 11, 12,
|
||||
12, 13, 13, 14, 15, 16, 17, 18,
|
||||
19, 20, 21, 22, 23, 24, 25, 26,
|
||||
27, 28, 29, 30, 31, 32, 33, 34,
|
||||
35, 36, 37, 38, 39, 40, 41, 42,
|
||||
43, 44,
|
||||
};
|
||||
|
||||
static const uint8_t intra_rvlc_level[169]={
|
||||
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, 1, 2, 3, 4, 5,
|
||||
6, 7, 8, 9, 10, 11, 12, 13,
|
||||
1, 2, 3, 4, 5, 6, 7, 8,
|
||||
9, 10, 11, 1, 2, 3, 4, 5,
|
||||
6, 7, 8, 9, 1, 2, 3, 4,
|
||||
5, 6, 1, 2, 3, 4, 5, 6,
|
||||
1, 2, 3, 4, 5, 1, 2, 3,
|
||||
4, 5, 1, 2, 3, 4, 1, 2,
|
||||
3, 4, 1, 2, 1, 2, 1, 2,
|
||||
1, 1, 1, 1, 1, 1, 1,
|
||||
1, 2, 3, 4, 5, 1, 2, 3,
|
||||
4, 5, 1, 2, 3, 1, 2, 1,
|
||||
2, 1, 2, 1, 2, 1, 2, 1,
|
||||
2, 1, 2, 1, 2, 1, 2, 1,
|
||||
2, 1, 2, 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,
|
||||
};
|
||||
|
||||
static RLTable rvlc_rl_intra = {
|
||||
169,
|
||||
103,
|
||||
intra_rvlc,
|
||||
intra_rvlc_run,
|
||||
intra_rvlc_level,
|
||||
};
|
||||
|
||||
static const uint16_t sprite_trajectory_tab[15][2] = {
|
||||
{0x00, 2}, {0x02, 3}, {0x03, 3}, {0x04, 3}, {0x05, 3}, {0x06, 3},
|
||||
{0x0E, 4}, {0x1E, 5}, {0x3E, 6}, {0x7E, 7}, {0xFE, 8},
|
||||
|
||||
Loading…
Reference in New Issue
Block a user