diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2010-01-13 02:35:36 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2010-01-13 02:35:36 +0000 |
| commit | cc51b28299a0e2e4c79d1c169c3edd0b80282bd8 (patch) | |
| tree | 613bed2bd5cda4e0fa5a1f0e2f9912a5964893bf | |
| parent | 8e71d89a7bec63f26db95aabbe9ca5f8974e2ff1 (diff) | |
| download | ffmpeg-cc51b28299a0e2e4c79d1c169c3edd0b80282bd8.tar.gz | |
Split cabac decoding code out of h264.c.
not slower according to benchmarks.
Originally committed as revision 21181 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/Makefile | 4 | ||||
| -rw-r--r-- | libavcodec/h264.c | 1102 | ||||
| -rw-r--r-- | libavcodec/h264.h | 8 | ||||
| -rw-r--r-- | libavcodec/h264_cabac.c | 1785 | ||||
| -rw-r--r-- | libavcodec/h264data.h | 642 |
5 files changed, 1799 insertions, 1742 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index a14e985f6b..f3ad2dab5c 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -132,7 +132,7 @@ OBJS-$(CONFIG_H263_ENCODER) += mpegvideo_enc.o mpeg4video.o mpeg4vide ratecontrol.o h263.o ituh263enc.o flvenc.o mpeg12data.o \ mpegvideo.o error_resilience.o OBJS-$(CONFIG_H264_DECODER) += h264.o h264idct.o h264pred.o h264_loopfilter.o h264_direct.o cabac.o \ - h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o\ + h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o h264_cabac.o\ mpegvideo.o error_resilience.o OBJS-$(CONFIG_H264_ENCODER) += h264enc.o h264dspenc.o OBJS-$(CONFIG_H264_VAAPI_HWACCEL) += vaapi_h264.o @@ -283,7 +283,7 @@ OBJS-$(CONFIG_SVQ1_ENCODER) += svq1enc.o svq1.o \ motion_est.o h263.o \ mpegvideo.o error_resilience.o OBJS-$(CONFIG_SVQ3_DECODER) += h264.o svq3.o h264idct.o h264pred.o h264_loopfilter.o h264_direct.o \ - h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o\ + h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o h264_cabac.o \ cabac.o \ mpegvideo.o error_resilience.o \ svq1dec.o svq1.o h263.o diff --git a/libavcodec/h264.c b/libavcodec/h264.c index ee2c398865..147fa56a45 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2173,1089 +2173,6 @@ int ff_h264_get_slice_type(H264Context *h) } } - -static int decode_cabac_field_decoding_flag(H264Context *h) { - MpegEncContext * const s = &h->s; - const int mb_x = s->mb_x; - const int mb_y = s->mb_y & ~1; - const int mba_xy = mb_x - 1 + mb_y *s->mb_stride; - const int mbb_xy = mb_x + (mb_y-2)*s->mb_stride; - - unsigned int ctx = 0; - - if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) { - ctx += 1; - } - if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) { - ctx += 1; - } - - return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] ); -} - -static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) { - uint8_t *state= &h->cabac_state[ctx_base]; - int mb_type; - - if(intra_slice){ - MpegEncContext * const s = &h->s; - const int mba_xy = h->left_mb_xy[0]; - const int mbb_xy = h->top_mb_xy; - int ctx=0; - if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) ) - ctx++; - if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) ) - ctx++; - if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 ) - return 0; /* I4x4 */ - state += 2; - }else{ - if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 ) - return 0; /* I4x4 */ - } - - if( get_cabac_terminate( &h->cabac ) ) - return 25; /* PCM */ - - mb_type = 1; /* I16x16 */ - mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */ - if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */ - mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] ); - mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] ); - mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] ); - return mb_type; -} - -static int decode_cabac_mb_type_b( H264Context *h ) { - MpegEncContext * const s = &h->s; - - const int mba_xy = h->left_mb_xy[0]; - const int mbb_xy = h->top_mb_xy; - int ctx = 0; - int bits; - assert(h->slice_type_nos == FF_B_TYPE); - - if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) ) - ctx++; - if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) ) - ctx++; - - if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ) - return 0; /* B_Direct_16x16 */ - - if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) { - return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */ - } - - bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3; - bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2; - bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1; - bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); - if( bits < 8 ) - return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */ - else if( bits == 13 ) { - return decode_cabac_intra_mb_type(h, 32, 0) + 23; - } else if( bits == 14 ) - return 11; /* B_L1_L0_8x16 */ - else if( bits == 15 ) - return 22; /* B_8x8 */ - - bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); - return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */ -} - -static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) { - MpegEncContext * const s = &h->s; - int mba_xy, mbb_xy; - int ctx = 0; - - if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches? - int mb_xy = mb_x + (mb_y&~1)*s->mb_stride; - mba_xy = mb_xy - 1; - if( (mb_y&1) - && h->slice_table[mba_xy] == h->slice_num - && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) - mba_xy += s->mb_stride; - if( MB_FIELD ){ - mbb_xy = mb_xy - s->mb_stride; - if( !(mb_y&1) - && h->slice_table[mbb_xy] == h->slice_num - && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) - mbb_xy -= s->mb_stride; - }else - mbb_xy = mb_x + (mb_y-1)*s->mb_stride; - }else{ - int mb_xy = h->mb_xy; - mba_xy = mb_xy - 1; - mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE); - } - - if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] )) - ctx++; - if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] )) - ctx++; - - if( h->slice_type_nos == FF_B_TYPE ) - ctx += 13; - return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] ); -} - -static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) { - int mode = 0; - - if( get_cabac( &h->cabac, &h->cabac_state[68] ) ) - return pred_mode; - - mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] ); - mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] ); - mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] ); - - if( mode >= pred_mode ) - return mode + 1; - else - return mode; -} - -static int decode_cabac_mb_chroma_pre_mode( H264Context *h) { - const int mba_xy = h->left_mb_xy[0]; - const int mbb_xy = h->top_mb_xy; - - int ctx = 0; - - /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */ - if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 ) - ctx++; - - if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 ) - ctx++; - - if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 ) - return 0; - - if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 ) - return 1; - if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 ) - return 2; - else - return 3; -} - -static int decode_cabac_mb_cbp_luma( H264Context *h) { - int cbp_b, cbp_a, ctx, cbp = 0; - - cbp_a = h->slice_table[h->left_mb_xy[0]] == h->slice_num ? h->left_cbp : -1; - cbp_b = h->slice_table[h->top_mb_xy] == h->slice_num ? h->top_cbp : -1; - - ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]); - ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1; - ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2; - ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3; - return cbp; -} -static int decode_cabac_mb_cbp_chroma( H264Context *h) { - int ctx; - int cbp_a, cbp_b; - - cbp_a = (h->left_cbp>>4)&0x03; - cbp_b = (h-> top_cbp>>4)&0x03; - - ctx = 0; - if( cbp_a > 0 ) ctx++; - if( cbp_b > 0 ) ctx += 2; - if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 ) - return 0; - - ctx = 4; - if( cbp_a == 2 ) ctx++; - if( cbp_b == 2 ) ctx += 2; - return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ); -} -static int decode_cabac_mb_dqp( H264Context *h) { - int ctx= h->last_qscale_diff != 0; - int val = 0; - - while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) { - ctx= 2+(ctx>>1); - val++; - if(val > 102) //prevent infinite loop - return INT_MIN; - } - - if( val&0x01 ) - return (val + 1)>>1 ; - else - return -((val + 1)>>1); -} -static int decode_cabac_p_mb_sub_type( H264Context *h ) { - if( get_cabac( &h->cabac, &h->cabac_state[21] ) ) - return 0; /* 8x8 */ - if( !get_cabac( &h->cabac, &h->cabac_state[22] ) ) - return 1; /* 8x4 */ - if( get_cabac( &h->cabac, &h->cabac_state[23] ) ) - return 2; /* 4x8 */ - return 3; /* 4x4 */ -} -static int decode_cabac_b_mb_sub_type( H264Context *h ) { - int type; - if( !get_cabac( &h->cabac, &h->cabac_state[36] ) ) - return 0; /* B_Direct_8x8 */ - if( !get_cabac( &h->cabac, &h->cabac_state[37] ) ) - return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */ - type = 3; - if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) { - if( get_cabac( &h->cabac, &h->cabac_state[39] ) ) - return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */ - type += 4; - } - type += 2*get_cabac( &h->cabac, &h->cabac_state[39] ); - type += get_cabac( &h->cabac, &h->cabac_state[39] ); - return type; -} - -static inline int decode_cabac_mb_transform_size( H264Context *h ) { - return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ); -} - -static int decode_cabac_mb_ref( H264Context *h, int list, int n ) { - int refa = h->ref_cache[list][scan8[n] - 1]; - int refb = h->ref_cache[list][scan8[n] - 8]; - int ref = 0; - int ctx = 0; - - if( h->slice_type_nos == FF_B_TYPE) { - if( refa > 0 && !h->direct_cache[scan8[n] - 1] ) - ctx++; - if( refb > 0 && !h->direct_cache[scan8[n] - 8] ) - ctx += 2; - } else { - if( refa > 0 ) - ctx++; - if( refb > 0 ) - ctx += 2; - } - - while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) { - ref++; - ctx = (ctx>>2)+4; - if(ref >= 32 /*h->ref_list[list]*/){ - return -1; - } - } - return ref; -} - -static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) { - int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) + - abs( h->mvd_cache[list][scan8[n] - 8][l] ); - int ctxbase = (l == 0) ? 40 : 47; - int mvd; - int ctx = (amvd>2) + (amvd>32); - - if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx])) - return 0; - - mvd= 1; - ctx= 3; - while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) { - mvd++; - if( ctx < 6 ) - ctx++; - } - - if( mvd >= 9 ) { - int k = 3; - while( get_cabac_bypass( &h->cabac ) ) { - mvd += 1 << k; - k++; - if(k>24){ - av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n"); - return INT_MIN; - } - } - while( k-- ) { - if( get_cabac_bypass( &h->cabac ) ) - mvd += 1 << k; - } - } - return get_cabac_bypass_sign( &h->cabac, -mvd ); -} - -static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int is_dc ) { - int nza, nzb; - int ctx = 0; - - if( is_dc ) { - if( cat == 0 ) { - nza = h->left_cbp&0x100; - nzb = h-> top_cbp&0x100; - } else { - nza = (h->left_cbp>>(6+idx))&0x01; - nzb = (h-> top_cbp>>(6+idx))&0x01; - } - } else { - assert(cat == 1 || cat == 2 || cat == 4); - nza = h->non_zero_count_cache[scan8[idx] - 1]; - nzb = h->non_zero_count_cache[scan8[idx] - 8]; - } - - if( nza > 0 ) - ctx++; - - if( nzb > 0 ) - ctx += 2; - - return ctx + 4 * cat; -} - -DECLARE_ASM_CONST(1, uint8_t, last_coeff_flag_offset_8x8[63]) = { - 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, - 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8 -}; - -static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff, int is_dc ) { - static const int significant_coeff_flag_offset[2][6] = { - { 105+0, 105+15, 105+29, 105+44, 105+47, 402 }, - { 277+0, 277+15, 277+29, 277+44, 277+47, 436 } - }; - static const int last_coeff_flag_offset[2][6] = { - { 166+0, 166+15, 166+29, 166+44, 166+47, 417 }, - { 338+0, 338+15, 338+29, 338+44, 338+47, 451 } - }; - static const int coeff_abs_level_m1_offset[6] = { - 227+0, 227+10, 227+20, 227+30, 227+39, 426 - }; - static const uint8_t significant_coeff_flag_offset_8x8[2][63] = { - { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5, - 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7, - 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11, - 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 }, - { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5, - 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11, - 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9, - 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 } - }; - /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0). - * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter). - * map node ctx => cabac ctx for level=1 */ - static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 }; - /* map node ctx => cabac ctx for level>1 */ - static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 }; - static const uint8_t coeff_abs_level_transition[2][8] = { - /* update node ctx after decoding a level=1 */ - { 1, 2, 3, 3, 4, 5, 6, 7 }, - /* update node ctx after decoding a level>1 */ - { 4, 4, 4, 4, 5, 6, 7, 7 } - }; - - int index[64]; - - int av_unused last; - int coeff_count = 0; - int node_ctx = 0; - - uint8_t *significant_coeff_ctx_base; - uint8_t *last_coeff_ctx_base; - uint8_t *abs_level_m1_ctx_base; - -#if !ARCH_X86 -#define CABAC_ON_STACK -#endif -#ifdef CABAC_ON_STACK -#define CC &cc - CABACContext cc; - cc.range = h->cabac.range; - cc.low = h->cabac.low; - cc.bytestream= h->cabac.bytestream; -#else -#define CC &h->cabac -#endif - - - /* cat: 0-> DC 16x16 n = 0 - * 1-> AC 16x16 n = luma4x4idx - * 2-> Luma4x4 n = luma4x4idx - * 3-> DC Chroma n = iCbCr - * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx - * 5-> Luma8x8 n = 4 * luma8x8idx - */ - - /* read coded block flag */ - if( is_dc || cat != 5 ) { - if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n, is_dc ) ] ) == 0 ) { - if( !is_dc ) - h->non_zero_count_cache[scan8[n]] = 0; - -#ifdef CABAC_ON_STACK - h->cabac.range = cc.range ; - h->cabac.low = cc.low ; - h->cabac.bytestream= cc.bytestream; -#endif - return; - } - } - - significant_coeff_ctx_base = h->cabac_state - + significant_coeff_flag_offset[MB_FIELD][cat]; - last_coeff_ctx_base = h->cabac_state - + last_coeff_flag_offset[MB_FIELD][cat]; - abs_level_m1_ctx_base = h->cabac_state - + coeff_abs_level_m1_offset[cat]; - - if( !is_dc && cat == 5 ) { -#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \ - for(last= 0; last < coefs; last++) { \ - uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \ - if( get_cabac( CC, sig_ctx )) { \ - uint8_t *last_ctx = last_coeff_ctx_base + last_off; \ - index[coeff_count++] = last; \ - if( get_cabac( CC, last_ctx ) ) { \ - last= max_coeff; \ - break; \ - } \ - } \ - }\ - if( last == max_coeff -1 ) {\ - index[coeff_count++] = last;\ - } - const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD]; -#if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS) - coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off); - } else { - coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index); -#else - DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] ); - } else { - DECODE_SIGNIFICANCE( max_coeff - 1, last, last ); -#endif - } - assert(coeff_count > 0); - - if( is_dc ) { - if( cat == 0 ) - h->cbp_table[h->mb_xy] |= 0x100; - else - h->cbp_table[h->mb_xy] |= 0x40 << n; - } else { - if( cat == 5 ) - fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1); - else { - assert( cat == 1 || cat == 2 || cat == 4 ); - h->non_zero_count_cache[scan8[n]] = coeff_count; - } - } - - do { - uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; - - int j= scantable[index[--coeff_count]]; - - if( get_cabac( CC, ctx ) == 0 ) { - node_ctx = coeff_abs_level_transition[0][node_ctx]; - if( is_dc ) { - block[j] = get_cabac_bypass_sign( CC, -1); - }else{ - block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; - } - } else { - int coeff_abs = 2; - ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base; - node_ctx = coeff_abs_level_transition[1][node_ctx]; - - while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { - coeff_abs++; - } - - if( coeff_abs >= 15 ) { - int j = 0; - while( get_cabac_bypass( CC ) ) { - j++; - } - - coeff_abs=1; - while( j-- ) { - coeff_abs += coeff_abs + get_cabac_bypass( CC ); - } - coeff_abs+= 14; - } - - if( is_dc ) { - block[j] = get_cabac_bypass_sign( CC, -coeff_abs ); - }else{ - block[j] = (get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32) >> 6; - } - } - } while( coeff_count ); -#ifdef CABAC_ON_STACK - h->cabac.range = cc.range ; - h->cabac.low = cc.low ; - h->cabac.bytestream= cc.bytestream; -#endif - -} - -#if !CONFIG_SMALL -static void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) { - decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 1); -} - -static void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) { - decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0); -} -#endif - -static void decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) { -#if CONFIG_SMALL - decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, cat == 0 || cat == 3); -#else - if( cat == 0 || cat == 3 ) decode_cabac_residual_dc(h, block, cat, n, scantable, qmul, max_coeff); - else decode_cabac_residual_nondc(h, block, cat, n, scantable, qmul, max_coeff); -#endif -} - -static inline void compute_mb_neighbors(H264Context *h) -{ - MpegEncContext * const s = &h->s; - const int mb_xy = h->mb_xy; - h->top_mb_xy = mb_xy - s->mb_stride; - h->left_mb_xy[0] = mb_xy - 1; - if(FRAME_MBAFF){ - const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride; - const int top_pair_xy = pair_xy - s->mb_stride; - const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]); - const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]); - const int curr_mb_field_flag = MB_FIELD; - const int bottom = (s->mb_y & 1); - - if (curr_mb_field_flag && (bottom || top_mb_field_flag)){ - h->top_mb_xy -= s->mb_stride; - } - if (!left_mb_field_flag == curr_mb_field_flag) { - h->left_mb_xy[0] = pair_xy - 1; - } - } else if (FIELD_PICTURE) { - h->top_mb_xy -= s->mb_stride; - } - return; -} - -/** - * decodes a macroblock - * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed - */ -static int decode_mb_cabac(H264Context *h) { - MpegEncContext * const s = &h->s; - int mb_xy; - int mb_type, partition_count, cbp = 0; - int dct8x8_allowed= h->pps.transform_8x8_mode; - - mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride; - - tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y); - if( h->slice_type_nos != FF_I_TYPE ) { - int skip; - /* a skipped mb needs the aff flag from the following mb */ - if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 ) - predict_field_decoding_flag(h); - if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped ) - skip = h->next_mb_skipped; - else - skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y ); - /* read skip flags */ - if( skip ) { - if( FRAME_MBAFF && (s->mb_y&1)==0 ){ - s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP; - h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 ); - if(!h->next_mb_skipped) - h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); - } - - decode_mb_skip(h); - - h->cbp_table[mb_xy] = 0; - h->chroma_pred_mode_table[mb_xy] = 0; - h->last_qscale_diff = 0; - - return 0; - - } - } - if(FRAME_MBAFF){ - if( (s->mb_y&1) == 0 ) - h->mb_mbaff = - h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); - } - - h->prev_mb_skipped = 0; - - compute_mb_neighbors(h); - - if( h->slice_type_nos == FF_B_TYPE ) { - mb_type = decode_cabac_mb_type_b( h ); - if( mb_type < 23 ){ - partition_count= b_mb_type_info[mb_type].partition_count; - mb_type= b_mb_type_info[mb_type].type; - }else{ - mb_type -= 23; - goto decode_intra_mb; - } - } else if( h->slice_type_nos == FF_P_TYPE ) { - if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) { - /* P-type */ - if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) { - /* P_L0_D16x16, P_8x8 */ - mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] ); - } else { - /* P_L0_D8x16, P_L0_D16x8 */ - mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] ); - } - partition_count= p_mb_type_info[mb_type].partition_count; - mb_type= p_mb_type_info[mb_type].type; - } else { - mb_type= decode_cabac_intra_mb_type(h, 17, 0); - goto decode_intra_mb; - } - } else { - mb_type= decode_cabac_intra_mb_type(h, 3, 1); - if(h->slice_type == FF_SI_TYPE && mb_type) - mb_type--; - assert(h->slice_type_nos == FF_I_TYPE); -decode_intra_mb: - partition_count = 0; - cbp= i_mb_type_info[mb_type].cbp; - h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode; - mb_type= i_mb_type_info[mb_type].type; - } - if(MB_FIELD) - mb_type |= MB_TYPE_INTERLACED; - - h->slice_table[ mb_xy ]= h->slice_num; - - if(IS_INTRA_PCM(mb_type)) { - const uint8_t *ptr; - - // We assume these blocks are very rare so we do not optimize it. - // FIXME The two following lines get the bitstream position in the cabac - // decode, I think it should be done by a function in cabac.h (or cabac.c). - ptr= h->cabac.bytestream; - if(h->cabac.low&0x1) ptr--; - if(CABAC_BITS==16){ - if(h->cabac.low&0x1FF) ptr--; - } - - // The pixels are stored in the same order as levels in h->mb array. - memcpy(h->mb, ptr, 256); ptr+=256; - if(CHROMA){ - memcpy(h->mb+128, ptr, 128); ptr+=128; - } - - ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr); - - // All blocks are present - h->cbp_table[mb_xy] = 0x1ef; - h->chroma_pred_mode_table[mb_xy] = 0; - // In deblocking, the quantizer is 0 - s->current_picture.qscale_table[mb_xy]= 0; - // All coeffs are present - memset(h->non_zero_count[mb_xy], 16, 16); - s->current_picture.mb_type[mb_xy]= mb_type; - h->last_qscale_diff = 0; - return 0; - } - - if(MB_MBAFF){ - h->ref_count[0] <<= 1; - h->ref_count[1] <<= 1; - } - - fill_caches(h, mb_type, 0); - - if( IS_INTRA( mb_type ) ) { - int i, pred_mode; - if( IS_INTRA4x4( mb_type ) ) { - if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) { - mb_type |= MB_TYPE_8x8DCT; - for( i = 0; i < 16; i+=4 ) { - int pred = pred_intra_mode( h, i ); - int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred ); - fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 ); - } - } else { - for( i = 0; i < 16; i++ ) { - int pred = pred_intra_mode( h, i ); - h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred ); - - //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] ); - } - } - ff_h264_write_back_intra_pred_mode(h); - if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1; - } else { - h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode ); - if( h->intra16x16_pred_mode < 0 ) return -1; - } - if(CHROMA){ - h->chroma_pred_mode_table[mb_xy] = - pred_mode = decode_cabac_mb_chroma_pre_mode( h ); - - pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode ); - if( pred_mode < 0 ) return -1; - h->chroma_pred_mode= pred_mode; - } - } else if( partition_count == 4 ) { - int i, j, sub_partition_count[4], list, ref[2][4]; - - if( h->slice_type_nos == FF_B_TYPE ) { - for( i = 0; i < 4; i++ ) { - h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h ); - sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; - h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type; - } - if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] | - h->sub_mb_type[2] | h->sub_mb_type[3]) ) { - ff_h264_pred_direct_motion(h, &mb_type); - h->ref_cache[0][scan8[4]] = - h->ref_cache[1][scan8[4]] = - h->ref_cache[0][scan8[12]] = - h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; - if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) { - for( i = 0; i < 4; i++ ) - if( IS_DIRECT(h->sub_mb_type[i]) ) - fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 ); - } - } - } else { - for( i = 0; i < 4; i++ ) { - h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h ); - sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; - h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type; - } - } - - for( list = 0; list < h->list_count; list++ ) { - for( i = 0; i < 4; i++ ) { - if(IS_DIRECT(h->sub_mb_type[i])) continue; - if(IS_DIR(h->sub_mb_type[i], 0, list)){ - if( h->ref_count[list] > 1 ){ - ref[list][i] = decode_cabac_mb_ref( h, list, 4*i ); - if(ref[list][i] >= (unsigned)h->ref_count[list]){ - av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]); - return -1; - } - }else - ref[list][i] = 0; - } else { - ref[list][i] = -1; - } - h->ref_cache[list][ scan8[4*i]+1 ]= - h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i]; - } - } - - if(dct8x8_allowed) - dct8x8_allowed = get_dct8x8_allowed(h); - - for(list=0; list<h->list_count; list++){ - for(i=0; i<4; i++){ - h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]; - if(IS_DIRECT(h->sub_mb_type[i])){ - fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4); - continue; - } - - if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){ - const int sub_mb_type= h->sub_mb_type[i]; - const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; - for(j=0; j<sub_partition_count[i]; j++){ - int mpx, mpy; - int mx, my; - const int index= 4*i + block_width*j; - int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ]; - int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ]; - pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy); - - mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 ); - my = mpy + decode_cabac_mb_mvd( h, list, index, 1 ); - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - - if(IS_SUB_8X8(sub_mb_type)){ - mv_cache[ 1 ][0]= - mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; - mv_cache[ 1 ][1]= - mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; - - mvd_cache[ 1 ][0]= - mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx; - mvd_cache[ 1 ][1]= - mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy; - }else if(IS_SUB_8X4(sub_mb_type)){ - mv_cache[ 1 ][0]= mx; - mv_cache[ 1 ][1]= my; - - mvd_cache[ 1 ][0]= mx - mpx; - mvd_cache[ 1 ][1]= my - mpy; - }else if(IS_SUB_4X8(sub_mb_type)){ - mv_cache[ 8 ][0]= mx; - mv_cache[ 8 ][1]= my; - - mvd_cache[ 8 ][0]= mx - mpx; - mvd_cache[ 8 ][1]= my - mpy; - } - mv_cache[ 0 ][0]= mx; - mv_cache[ 0 ][1]= my; - - mvd_cache[ 0 ][0]= mx - mpx; - mvd_cache[ 0 ][1]= my - mpy; - } - }else{ - uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0]; - uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0]; - p[0] = p[1] = p[8] = p[9] = 0; - pd[0]= pd[1]= pd[8]= pd[9]= 0; - } - } - } - } else if( IS_DIRECT(mb_type) ) { - ff_h264_pred_direct_motion(h, &mb_type); - fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4); - fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4); - dct8x8_allowed &= h->sps.direct_8x8_inference_flag; - } else { - int list, mx, my, i, mpx, mpy; - if(IS_16X16(mb_type)){ - for(list=0; list<h->list_count; list++){ - if(IS_DIR(mb_type, 0, list)){ - int ref; - if(h->ref_count[list] > 1){ - ref= decode_cabac_mb_ref(h, list, 0); - if(ref >= (unsigned)h->ref_count[list]){ - av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); - return -1; - } - }else - ref=0; - fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1); - }else - fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too - } - for(list=0; list<h->list_count; list++){ - if(IS_DIR(mb_type, 0, list)){ - pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy); - - mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 ); - my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 ); - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - - fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4); - fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4); - }else - fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4); - } - } - else if(IS_16X8(mb_type)){ - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - if(IS_DIR(mb_type, i, list)){ - int ref; - if(h->ref_count[list] > 1){ - ref= decode_cabac_mb_ref( h, list, 8*i ); - if(ref >= (unsigned)h->ref_count[list]){ - av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); - return -1; - } - }else - ref=0; - fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1); - }else - fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1); - } - } - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - if(IS_DIR(mb_type, i, list)){ - pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy); - mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 ); - my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 ); - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - - fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4); - fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4); - }else{ - fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); - fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); - } - } - } - }else{ - assert(IS_8X16(mb_type)); - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - if(IS_DIR(mb_type, i, list)){ //FIXME optimize - int ref; - if(h->ref_count[list] > 1){ - ref= decode_cabac_mb_ref( h, list, 4*i ); - if(ref >= (unsigned)h->ref_count[list]){ - av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); - return -1; - } - }else - ref=0; - fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1); - }else - fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1); - } - } - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - if(IS_DIR(mb_type, i, list)){ - pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy); - mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 ); - my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 ); - - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4); - fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4); - }else{ - fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); - fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); - } - } - } - } - } - - if( IS_INTER( mb_type ) ) { - h->chroma_pred_mode_table[mb_xy] = 0; - write_back_motion( h, mb_type ); - } - - if( !IS_INTRA16x16( mb_type ) ) { - cbp = decode_cabac_mb_cbp_luma( h ); - if(CHROMA) - cbp |= decode_cabac_mb_cbp_chroma( h ) << 4; - } - - h->cbp_table[mb_xy] = h->cbp = cbp; - - if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) { - if( decode_cabac_mb_transform_size( h ) ) - mb_type |= MB_TYPE_8x8DCT; - } - s->current_picture.mb_type[mb_xy]= mb_type; - - if( cbp || IS_INTRA16x16( mb_type ) ) { - const uint8_t *scan, *scan8x8, *dc_scan; - const uint32_t *qmul; - int dqp; - - if(IS_INTERLACED(mb_type)){ - scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0; - scan= s->qscale ? h->field_scan : h->field_scan_q0; - dc_scan= luma_dc_field_scan; - }else{ - scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0; - scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0; - dc_scan= luma_dc_zigzag_scan; - } - - h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h ); - if( dqp == INT_MIN ){ - av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y); - return -1; - } - s->qscale += dqp; - if(((unsigned)s->qscale) > 51){ - if(s->qscale<0) s->qscale+= 52; - else s->qscale-= 52; - } - h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale); - h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale); - - if( IS_INTRA16x16( mb_type ) ) { - int i; - //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" ); - decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16); - - if( cbp&15 ) { - qmul = h->dequant4_coeff[0][s->qscale]; - for( i = 0; i < 16; i++ ) { - //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i ); - decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15); - } - } else { - fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1); - } - } else { - int i8x8, i4x4; - for( i8x8 = 0; i8x8 < 4; i8x8++ ) { - if( cbp & (1<<i8x8) ) { - if( IS_8x8DCT(mb_type) ) { - decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8, - scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64); - } else { - qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale]; - for( i4x4 = 0; i4x4 < 4; i4x4++ ) { - const int index = 4*i8x8 + i4x4; - //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index ); -//START_TIMER - decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16); -//STOP_TIMER("decode_residual") - } - } - } else { - uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ]; - nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0; - } - } - } - - if( cbp&0x30 ){ - int c; - for( c = 0; c < 2; c++ ) { - //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c ); - decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4); - } - } - - if( cbp&0x20 ) { - int c, i; - for( c = 0; c < 2; c++ ) { - qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]]; - for( i = 0; i < 4; i++ ) { - const int index = 16 + 4 * c + i; - //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 ); - decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15); - } - } - } else { - uint8_t * const nnz= &h->non_zero_count_cache[0]; - nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = - nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; - } - } else { - uint8_t * const nnz= &h->non_zero_count_cache[0]; - fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1); - nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = - nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; - h->last_qscale_diff = 0; - } - - s->current_picture.qscale_table[mb_xy]= s->qscale; - write_back_non_zero_count(h); - - if(MB_MBAFF){ - h->ref_count[0] >>= 1; - h->ref_count[1] >>= 1; - } - - return 0; -} - static int decode_slice(struct AVCodecContext *avctx, void *arg){ H264Context *h = *(void**)arg; MpegEncContext * const s = &h->s; @@ -3277,23 +2194,12 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){ ff_init_cabac_decoder( &h->cabac, s->gb.buffer + get_bits_count(&s->gb)/8, (get_bits_left(&s->gb) + 7)/8); - /* calculate pre-state */ - for( i= 0; i < 460; i++ ) { - int pre; - if( h->slice_type_nos == FF_I_TYPE ) - pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 ); - else - pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 ); - - if( pre <= 63 ) - h->cabac_state[i] = 2 * ( 63 - pre ) + 0; - else - h->cabac_state[i] = 2 * ( pre - 64 ) + 1; - } + + ff_h264_init_cabac_states(h); for(;;){ //START_TIMER - int ret = decode_mb_cabac(h); + int ret = ff_h264_decode_mb_cabac(h); int eos; //STOP_TIMER("decode_mb_cabac") @@ -3302,7 +2208,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){ if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ? s->mb_y++; - ret = decode_mb_cabac(h); + ret = ff_h264_decode_mb_cabac(h); if(ret>=0) ff_h264_hl_decode_mb(h); s->mb_y--; diff --git a/libavcodec/h264.h b/libavcodec/h264.h index 703cf8f534..68445427ea 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -651,6 +651,14 @@ av_cold void ff_h264_decode_init_vlc(void); */ int ff_h264_decode_mb_cavlc(H264Context *h); +/** + * decodes a CABAC coded macroblock + * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed + */ +int ff_h264_decode_mb_cabac(H264Context *h); + +void ff_h264_init_cabac_states(H264Context *h); + void ff_h264_direct_dist_scale_factor(H264Context * const h); void ff_h264_direct_ref_list_init(H264Context * const h); void ff_h264_pred_direct_motion(H264Context * const h, int *mb_type); diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c new file mode 100644 index 0000000000..33e90b4d8f --- /dev/null +++ b/libavcodec/h264_cabac.c @@ -0,0 +1,1785 @@ +/* + * H.26L/H.264/AVC/JVT/14496-10/... cabac decoding + * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavcodec/h264_cabac.c + * H.264 / AVC / MPEG4 part10 cabac decoding. + * @author Michael Niedermayer <michaelni@gmx.at> + */ + +#include "internal.h" +#include "dsputil.h" +#include "avcodec.h" +#include "h264.h" +#include "h264data.h" +#include "h264_mvpred.h" +#include "golomb.h" + +#include "cabac.h" +#if ARCH_X86 +#include "x86/h264_i386.h" +#endif + +//#undef NDEBUG +#include <assert.h> + +/* Cabac pre state table */ + +static const int8_t cabac_context_init_I[460][2] = +{ + /* 0 - 10 */ + { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, + { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 }, + { -6, 53 }, { -1, 54 }, { 7, 51 }, + + /* 11 - 23 unsused for I */ + { 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 }, + + /* 24- 39 */ + { 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, 0 }, { 0, 0 }, { 0, 0 }, + + /* 40 - 53 */ + { 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, 0 }, + + /* 54 - 59 */ + { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, + { 0, 0 }, { 0, 0 }, + + /* 60 - 69 */ + { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, + { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, + { 13, 41 }, { 3, 62 }, + + /* 70 -> 87 */ + { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 }, + { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 }, + { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 }, + { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 }, + { -12, 115 },{ -16, 122 }, + + /* 88 -> 104 */ + { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 }, + { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 }, + { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 }, + { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 }, + { -22, 125 }, + + /* 105 -> 135 */ + { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 }, + { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 }, + { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 }, + { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 }, + { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 }, + { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 }, + { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 }, + { 14, 62 }, { -13, 108 },{ -15, 100 }, + + /* 136 -> 165 */ + { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 }, + { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 }, + { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 }, + { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 }, + { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 }, + { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 }, + { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 }, + { 0, 62 }, { 12, 72 }, + + /* 166 -> 196 */ + { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 }, + { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 }, + { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 }, + { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 }, + { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 }, + { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 }, + { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 }, + { 0, 89 }, { 26, -19 }, { 22, -17 }, + + /* 197 -> 226 */ + { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 }, + { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 }, + { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 }, + { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 }, + { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 }, + { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 }, + { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 }, + { 12, 68 }, { 2, 97 }, + + /* 227 -> 251 */ + { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 }, + { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 }, + { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 }, + { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 }, + { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 }, + { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 }, + { -4, 65 }, + + /* 252 -> 275 */ + { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 }, + { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 }, + { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 }, + { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 }, + { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 }, + { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 }, + + /* 276 a bit special (not used, bypass is used instead) */ + { 0, 0 }, + + /* 277 -> 307 */ + { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 }, + { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 }, + { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 }, + { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 }, + { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 }, + { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 }, + { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 }, + { 9, 64 }, { -12, 104 },{ -11, 97 }, + + /* 308 -> 337 */ + { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 }, + { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 }, + { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 }, + { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 }, + { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 }, + { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 }, + { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 }, + { 5, 64 }, { 12, 70 }, + + /* 338 -> 368 */ + { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 }, + { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 }, + { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 }, + { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 }, + { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 }, + { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 }, + { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 }, + { -12, 109 },{ 36, -35 }, { 36, -34 }, + + /* 369 -> 398 */ + { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 }, + { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 }, + { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 }, + { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 }, + { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 }, + { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 }, + { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 }, + { 29, 39 }, { 19, 66 }, + + /* 399 -> 435 */ + { 31, 21 }, { 31, 31 }, { 25, 50 }, + { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 }, + { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 }, + { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 }, + { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 }, + { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 }, + { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 }, + { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 }, + { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 }, + { 0, 68 }, { -9, 92 }, + + /* 436 -> 459 */ + { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 }, + { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 }, + { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 }, + { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 }, + { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 }, + { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 } +}; + +static const int8_t cabac_context_init_PB[3][460][2] = +{ + /* i_cabac_init_idc == 0 */ + { + /* 0 - 10 */ + { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, + { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, + { -6, 53 }, { -1, 54 }, { 7, 51 }, + + /* 11 - 23 */ + { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 }, + { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 }, + { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 }, + { 17, 50 }, + + /* 24 - 39 */ + { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 }, + { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 }, + { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 }, + { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 }, + + /* 40 - 53 */ + { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 }, + { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 }, + { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 }, + { -3, 81 }, { 0, 88 }, + + /* 54 - 59 */ + { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 }, + { -7, 72 }, { 1, 58 }, + + /* 60 - 69 */ + { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, + { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, + { 13, 41 }, { 3, 62 }, + + /* 70 - 87 */ + { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 }, + { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 }, + { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 }, + { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 }, + { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 }, + { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 }, + { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 }, + { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 }, + { 0, 68 }, { -4, 69 }, { -8, 88 }, + + /* 105 -> 165 */ + { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 }, + { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 }, + { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 }, + { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 }, + { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 }, + { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 }, + { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 }, + { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 }, + { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 }, + { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 }, + { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 }, + { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 }, + { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 }, + { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 }, + { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 }, + { 9, 69 }, + + /* 166 - 226 */ + { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 }, + { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 }, + { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 }, + { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 }, + { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 }, + { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 }, + { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 }, + { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 }, + { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 }, + { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 }, + { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 }, + { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 }, + { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 }, + { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 }, + { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 }, + { -9, 108 }, + + /* 227 - 275 */ + { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 }, + { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 }, + { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 }, + { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 }, + { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 }, + { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 }, + { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 }, + { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 }, + { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 }, + { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 }, + { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 }, + { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 }, + { -8, 85 }, + + /* 276 a bit special (not used, bypass is used instead) */ + { 0, 0 }, + + /* 277 - 337 */ + { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 }, + { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 }, + { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 }, + { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 }, + { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 }, + { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 }, + { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 }, + { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 }, + { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 }, + { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 }, + { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 }, + { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 }, + { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 }, + { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 }, + { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 }, + { 26, 43 }, + + /* 338 - 398 */ + { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 }, + { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 }, + { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 }, + { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 }, + { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 }, + { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 }, + { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 }, + { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 }, + { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 }, + { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 }, + { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 }, + { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 }, + { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 }, + { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 }, + { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 }, + { 11, 86 }, + + /* 399 - 435 */ + { 12, 40 }, { 11, 51 }, { 14, 59 }, + { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 }, + { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 }, + { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 }, + { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 }, + { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 }, + { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 }, + { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 }, + { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 }, + { -8, 66 }, { -8, 76 }, + + /* 436 - 459 */ + { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 }, + { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 }, + { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 }, + { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 }, + { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 }, + { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 }, + }, + + /* i_cabac_init_idc == 1 */ + { + /* 0 - 10 */ + { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, + { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, + { -6, 53 }, { -1, 54 }, { 7, 51 }, + + /* 11 - 23 */ + { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 }, + { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 }, + { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 }, + { 10, 54 }, + + /* 24 - 39 */ + { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 }, + { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 }, + { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 }, + { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 }, + + /* 40 - 53 */ + { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 }, + { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 }, + { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 }, + { -7, 86 },{ -5, 95 }, + + /* 54 - 59 */ + { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 }, + { -5, 72 },{ 0, 61 }, + + /* 60 - 69 */ + { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, + { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, + { 13, 41 }, { 3, 62 }, + + /* 70 - 104 */ + { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 }, + { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 }, + { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 }, + { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 }, + { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 }, + { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 }, + { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 }, + { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 }, + { 0, 68 }, { -7, 74 }, { -9, 88 }, + + /* 105 -> 165 */ + { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 }, + { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 }, + { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 }, + { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 }, + { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 }, + { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 }, + { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 }, + { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 }, + { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 }, + { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 }, + { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 }, + { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 }, + { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 }, + { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 }, + { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 }, + { 0, 89 }, + + /* 166 - 226 */ + { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 }, + { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 }, + { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 }, + { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 }, + { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 }, + { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 }, + { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 }, + { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 }, + { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 }, + { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 }, + { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 }, + { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 }, + { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 }, + { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 }, + { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 }, + { -10, 116 }, + + /* 227 - 275 */ + { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 }, + { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 }, + { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 }, + { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 }, + { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 }, + { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 }, + { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 }, + { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 }, + { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 }, + { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 }, + { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 }, + { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 }, + { -4, 78 }, + + /* 276 a bit special (not used, bypass is used instead) */ + { 0, 0 }, + + /* 277 - 337 */ + { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 }, + { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 }, + { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 }, + { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 }, + { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 }, + { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 }, + { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 }, + { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 }, + { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 }, + { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 }, + { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 }, + { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 }, + { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 }, + { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 }, + { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 }, + { 18, 50 }, + + /* 338 - 398 */ + { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 }, + { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 }, + { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 }, + { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 }, + { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 }, + { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 }, + { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 }, + { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 }, + { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 }, + { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 }, + { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 }, + { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 }, + { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 }, + { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 }, + { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 }, + { 11, 83 }, + + /* 399 - 435 */ + { 25, 32 }, { 21, 49 }, { 21, 54 }, + { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 }, + { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 }, + { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 }, + { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 }, + { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 }, + { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 }, + { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 }, + { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 }, + { -4, 67 }, { -7, 82 }, + + /* 436 - 459 */ + { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 }, + { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 }, + { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 }, + { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 }, + { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 }, + { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 }, + }, + + /* i_cabac_init_idc == 2 */ + { + /* 0 - 10 */ + { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, + { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, + { -6, 53 }, { -1, 54 }, { 7, 51 }, + + /* 11 - 23 */ + { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 }, + { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 }, + { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 }, + { 14, 57 }, + + /* 24 - 39 */ + { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 }, + { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 }, + { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 }, + { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 }, + + /* 40 - 53 */ + { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 }, + { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 }, + { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 }, + { -3, 90 },{ -1, 101 }, + + /* 54 - 59 */ + { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 }, + { -7, 50 },{ 1, 60 }, + + /* 60 - 69 */ + { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, + { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, + { 13, 41 }, { 3, 62 }, + + /* 70 - 104 */ + { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 }, + { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 }, + { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 }, + { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 }, + { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 }, + { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 }, + { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 }, + { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 }, + { 3, 68 }, { -8, 71 }, { -13, 98 }, + + /* 105 -> 165 */ + { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 }, + { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 }, + { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 }, + { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 }, + { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 }, + { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 }, + { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 }, + { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 }, + { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 }, + { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 }, + { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 }, + { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 }, + { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 }, + { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 }, + { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 }, + { -22, 127 }, + + /* 166 - 226 */ + { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 }, + { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 }, + { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 }, + { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 }, + { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 }, + { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 }, + { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 }, + { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 }, + { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 }, + { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 }, + { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 }, + { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 }, + { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 }, + { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 }, + { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 }, + { -24, 127 }, + + /* 227 - 275 */ + { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 }, + { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 }, + { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 }, + { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 }, + { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 }, + { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 }, + { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 }, + { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 }, + { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 }, + { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 }, + { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 }, + { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 }, + { -10, 87 }, + + /* 276 a bit special (not used, bypass is used instead) */ + { 0, 0 }, + + /* 277 - 337 */ + { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 }, + { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 }, + { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 }, + { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 }, + { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 }, + { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 }, + { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 }, + { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 }, + { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 }, + { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 }, + { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 }, + { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 }, + { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 }, + { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 }, + { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 }, + { 25, 42 }, + + /* 338 - 398 */ + { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 }, + { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 }, + { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 }, + { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 }, + { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 }, + { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 }, + { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 }, + { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 }, + { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 }, + { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 }, + { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 }, + { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 }, + { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 }, + { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 }, + { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 }, + { 25, 61 }, + + /* 399 - 435 */ + { 21, 33 }, { 19, 50 }, { 17, 61 }, + { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, + { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, + { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, + { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, + { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, + { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, + { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 }, + { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 }, + { -6, 68 }, { -10, 79 }, + + /* 436 - 459 */ + { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, + { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, + { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, + { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, + { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, + { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, + } +}; + +void ff_h264_init_cabac_states(H264Context *h) { + MpegEncContext * const s = &h->s; + int i; + + /* calculate pre-state */ + for( i= 0; i < 460; i++ ) { + int pre; + if( h->slice_type_nos == FF_I_TYPE ) + pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 ); + else + pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 ); + + if( pre <= 63 ) + h->cabac_state[i] = 2 * ( 63 - pre ) + 0; + else + h->cabac_state[i] = 2 * ( pre - 64 ) + 1; + } +} + +static int decode_cabac_field_decoding_flag(H264Context *h) { + MpegEncContext * const s = &h->s; + const int mb_x = s->mb_x; + const int mb_y = s->mb_y & ~1; + const int mba_xy = mb_x - 1 + mb_y *s->mb_stride; + const int mbb_xy = mb_x + (mb_y-2)*s->mb_stride; + + unsigned int ctx = 0; + + if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) { + ctx += 1; + } + if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) { + ctx += 1; + } + + return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] ); +} + +static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) { + uint8_t *state= &h->cabac_state[ctx_base]; + int mb_type; + + if(intra_slice){ + MpegEncContext * const s = &h->s; + const int mba_xy = h->left_mb_xy[0]; + const int mbb_xy = h->top_mb_xy; + int ctx=0; + if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) ) + ctx++; + if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) ) + ctx++; + if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 ) + return 0; /* I4x4 */ + state += 2; + }else{ + if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 ) + return 0; /* I4x4 */ + } + + if( get_cabac_terminate( &h->cabac ) ) + return 25; /* PCM */ + + mb_type = 1; /* I16x16 */ + mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */ + if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */ + mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] ); + mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] ); + mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] ); + return mb_type; +} + +static int decode_cabac_mb_type_b( H264Context *h ) { + MpegEncContext * const s = &h->s; + + const int mba_xy = h->left_mb_xy[0]; + const int mbb_xy = h->top_mb_xy; + int ctx = 0; + int bits; + assert(h->slice_type_nos == FF_B_TYPE); + + if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) ) + ctx++; + if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) ) + ctx++; + + if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ) + return 0; /* B_Direct_16x16 */ + + if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) { + return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */ + } + + bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3; + bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2; + bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1; + bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); + if( bits < 8 ) + return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */ + else if( bits == 13 ) { + return decode_cabac_intra_mb_type(h, 32, 0) + 23; + } else if( bits == 14 ) + return 11; /* B_L1_L0_8x16 */ + else if( bits == 15 ) + return 22; /* B_8x8 */ + + bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); + return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */ +} + +static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) { + MpegEncContext * const s = &h->s; + int mba_xy, mbb_xy; + int ctx = 0; + + if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches? + int mb_xy = mb_x + (mb_y&~1)*s->mb_stride; + mba_xy = mb_xy - 1; + if( (mb_y&1) + && h->slice_table[mba_xy] == h->slice_num + && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) + mba_xy += s->mb_stride; + if( MB_FIELD ){ + mbb_xy = mb_xy - s->mb_stride; + if( !(mb_y&1) + && h->slice_table[mbb_xy] == h->slice_num + && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) + mbb_xy -= s->mb_stride; + }else + mbb_xy = mb_x + (mb_y-1)*s->mb_stride; + }else{ + int mb_xy = h->mb_xy; + mba_xy = mb_xy - 1; + mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE); + } + + if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] )) + ctx++; + if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] )) + ctx++; + + if( h->slice_type_nos == FF_B_TYPE ) + ctx += 13; + return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] ); +} + +static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) { + int mode = 0; + + if( get_cabac( &h->cabac, &h->cabac_state[68] ) ) + return pred_mode; + + mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] ); + mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] ); + mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] ); + + if( mode >= pred_mode ) + return mode + 1; + else + return mode; +} + +static int decode_cabac_mb_chroma_pre_mode( H264Context *h) { + const int mba_xy = h->left_mb_xy[0]; + const int mbb_xy = h->top_mb_xy; + + int ctx = 0; + + /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */ + if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 ) + ctx++; + + if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 ) + ctx++; + + if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 ) + return 0; + + if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 ) + return 1; + if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 ) + return 2; + else + return 3; +} + +static int decode_cabac_mb_cbp_luma( H264Context *h) { + int cbp_b, cbp_a, ctx, cbp = 0; + + cbp_a = h->slice_table[h->left_mb_xy[0]] == h->slice_num ? h->left_cbp : -1; + cbp_b = h->slice_table[h->top_mb_xy] == h->slice_num ? h->top_cbp : -1; + + ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04); + cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]); + ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08); + cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1; + ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01); + cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2; + ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02); + cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3; + return cbp; +} +static int decode_cabac_mb_cbp_chroma( H264Context *h) { + int ctx; + int cbp_a, cbp_b; + + cbp_a = (h->left_cbp>>4)&0x03; + cbp_b = (h-> top_cbp>>4)&0x03; + + ctx = 0; + if( cbp_a > 0 ) ctx++; + if( cbp_b > 0 ) ctx += 2; + if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 ) + return 0; + + ctx = 4; + if( cbp_a == 2 ) ctx++; + if( cbp_b == 2 ) ctx += 2; + return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ); +} +static int decode_cabac_mb_dqp( H264Context *h) { + int ctx= h->last_qscale_diff != 0; + int val = 0; + + while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) { + ctx= 2+(ctx>>1); + val++; + if(val > 102) //prevent infinite loop + return INT_MIN; + } + + if( val&0x01 ) + return (val + 1)>>1 ; + else + return -((val + 1)>>1); +} +static int decode_cabac_p_mb_sub_type( H264Context *h ) { + if( get_cabac( &h->cabac, &h->cabac_state[21] ) ) + return 0; /* 8x8 */ + if( !get_cabac( &h->cabac, &h->cabac_state[22] ) ) + return 1; /* 8x4 */ + if( get_cabac( &h->cabac, &h->cabac_state[23] ) ) + return 2; /* 4x8 */ + return 3; /* 4x4 */ +} +static int decode_cabac_b_mb_sub_type( H264Context *h ) { + int type; + if( !get_cabac( &h->cabac, &h->cabac_state[36] ) ) + return 0; /* B_Direct_8x8 */ + if( !get_cabac( &h->cabac, &h->cabac_state[37] ) ) + return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */ + type = 3; + if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) { + if( get_cabac( &h->cabac, &h->cabac_state[39] ) ) + return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */ + type += 4; + } + type += 2*get_cabac( &h->cabac, &h->cabac_state[39] ); + type += get_cabac( &h->cabac, &h->cabac_state[39] ); + return type; +} + +static inline int decode_cabac_mb_transform_size( H264Context *h ) { + return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ); +} + +static int decode_cabac_mb_ref( H264Context *h, int list, int n ) { + int refa = h->ref_cache[list][scan8[n] - 1]; + int refb = h->ref_cache[list][scan8[n] - 8]; + int ref = 0; + int ctx = 0; + + if( h->slice_type_nos == FF_B_TYPE) { + if( refa > 0 && !h->direct_cache[scan8[n] - 1] ) + ctx++; + if( refb > 0 && !h->direct_cache[scan8[n] - 8] ) + ctx += 2; + } else { + if( refa > 0 ) + ctx++; + if( refb > 0 ) + ctx += 2; + } + + while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) { + ref++; + ctx = (ctx>>2)+4; + if(ref >= 32 /*h->ref_list[list]*/){ + return -1; + } + } + return ref; +} + +static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) { + int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) + + abs( h->mvd_cache[list][scan8[n] - 8][l] ); + int ctxbase = (l == 0) ? 40 : 47; + int mvd; + int ctx = (amvd>2) + (amvd>32); + + if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx])) + return 0; + + mvd= 1; + ctx= 3; + while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) { + mvd++; + if( ctx < 6 ) + ctx++; + } + + if( mvd >= 9 ) { + int k = 3; + while( get_cabac_bypass( &h->cabac ) ) { + mvd += 1 << k; + k++; + if(k>24){ + av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n"); + return INT_MIN; + } + } + while( k-- ) { + if( get_cabac_bypass( &h->cabac ) ) + mvd += 1 << k; + } + } + return get_cabac_bypass_sign( &h->cabac, -mvd ); +} + +static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int is_dc ) { + int nza, nzb; + int ctx = 0; + + if( is_dc ) { + if( cat == 0 ) { + nza = h->left_cbp&0x100; + nzb = h-> top_cbp&0x100; + } else { + nza = (h->left_cbp>>(6+idx))&0x01; + nzb = (h-> top_cbp>>(6+idx))&0x01; + } + } else { + assert(cat == 1 || cat == 2 || cat == 4); + nza = h->non_zero_count_cache[scan8[idx] - 1]; + nzb = h->non_zero_count_cache[scan8[idx] - 8]; + } + + if( nza > 0 ) + ctx++; + + if( nzb > 0 ) + ctx += 2; + + return ctx + 4 * cat; +} + +DECLARE_ASM_CONST(1, uint8_t, last_coeff_flag_offset_8x8[63]) = { + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, + 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8 +}; + +static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff, int is_dc ) { + static const int significant_coeff_flag_offset[2][6] = { + { 105+0, 105+15, 105+29, 105+44, 105+47, 402 }, + { 277+0, 277+15, 277+29, 277+44, 277+47, 436 } + }; + static const int last_coeff_flag_offset[2][6] = { + { 166+0, 166+15, 166+29, 166+44, 166+47, 417 }, + { 338+0, 338+15, 338+29, 338+44, 338+47, 451 } + }; + static const int coeff_abs_level_m1_offset[6] = { + 227+0, 227+10, 227+20, 227+30, 227+39, 426 + }; + static const uint8_t significant_coeff_flag_offset_8x8[2][63] = { + { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5, + 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7, + 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11, + 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 }, + { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5, + 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11, + 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9, + 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 } + }; + /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0). + * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter). + * map node ctx => cabac ctx for level=1 */ + static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 }; + /* map node ctx => cabac ctx for level>1 */ + static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 }; + static const uint8_t coeff_abs_level_transition[2][8] = { + /* update node ctx after decoding a level=1 */ + { 1, 2, 3, 3, 4, 5, 6, 7 }, + /* update node ctx after decoding a level>1 */ + { 4, 4, 4, 4, 5, 6, 7, 7 } + }; + + int index[64]; + + int av_unused last; + int coeff_count = 0; + int node_ctx = 0; + + uint8_t *significant_coeff_ctx_base; + uint8_t *last_coeff_ctx_base; + uint8_t *abs_level_m1_ctx_base; + +#if !ARCH_X86 +#define CABAC_ON_STACK +#endif +#ifdef CABAC_ON_STACK +#define CC &cc + CABACContext cc; + cc.range = h->cabac.range; + cc.low = h->cabac.low; + cc.bytestream= h->cabac.bytestream; +#else +#define CC &h->cabac +#endif + + + /* cat: 0-> DC 16x16 n = 0 + * 1-> AC 16x16 n = luma4x4idx + * 2-> Luma4x4 n = luma4x4idx + * 3-> DC Chroma n = iCbCr + * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx + * 5-> Luma8x8 n = 4 * luma8x8idx + */ + + /* read coded block flag */ + if( is_dc || cat != 5 ) { + if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n, is_dc ) ] ) == 0 ) { + if( !is_dc ) + h->non_zero_count_cache[scan8[n]] = 0; + +#ifdef CABAC_ON_STACK + h->cabac.range = cc.range ; + h->cabac.low = cc.low ; + h->cabac.bytestream= cc.bytestream; +#endif + return; + } + } + + significant_coeff_ctx_base = h->cabac_state + + significant_coeff_flag_offset[MB_FIELD][cat]; + last_coeff_ctx_base = h->cabac_state + + last_coeff_flag_offset[MB_FIELD][cat]; + abs_level_m1_ctx_base = h->cabac_state + + coeff_abs_level_m1_offset[cat]; + + if( !is_dc && cat == 5 ) { +#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \ + for(last= 0; last < coefs; last++) { \ + uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \ + if( get_cabac( CC, sig_ctx )) { \ + uint8_t *last_ctx = last_coeff_ctx_base + last_off; \ + index[coeff_count++] = last; \ + if( get_cabac( CC, last_ctx ) ) { \ + last= max_coeff; \ + break; \ + } \ + } \ + }\ + if( last == max_coeff -1 ) {\ + index[coeff_count++] = last;\ + } + const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD]; +#if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS) + coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off); + } else { + coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index); +#else + DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] ); + } else { + DECODE_SIGNIFICANCE( max_coeff - 1, last, last ); +#endif + } + assert(coeff_count > 0); + + if( is_dc ) { + if( cat == 0 ) + h->cbp_table[h->mb_xy] |= 0x100; + else + h->cbp_table[h->mb_xy] |= 0x40 << n; + } else { + if( cat == 5 ) + fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1); + else { + assert( cat == 1 || cat == 2 || cat == 4 ); + h->non_zero_count_cache[scan8[n]] = coeff_count; + } + } + + do { + uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; + + int j= scantable[index[--coeff_count]]; + + if( get_cabac( CC, ctx ) == 0 ) { + node_ctx = coeff_abs_level_transition[0][node_ctx]; + if( is_dc ) { + block[j] = get_cabac_bypass_sign( CC, -1); + }else{ + block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; + } + } else { + int coeff_abs = 2; + ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base; + node_ctx = coeff_abs_level_transition[1][node_ctx]; + + while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { + coeff_abs++; + } + + if( coeff_abs >= 15 ) { + int j = 0; + while( get_cabac_bypass( CC ) ) { + j++; + } + + coeff_abs=1; + while( j-- ) { + coeff_abs += coeff_abs + get_cabac_bypass( CC ); + } + coeff_abs+= 14; + } + + if( is_dc ) { + block[j] = get_cabac_bypass_sign( CC, -coeff_abs ); + }else{ + block[j] = (get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32) >> 6; + } + } + } while( coeff_count ); +#ifdef CABAC_ON_STACK + h->cabac.range = cc.range ; + h->cabac.low = cc.low ; + h->cabac.bytestream= cc.bytestream; +#endif + +} + +#if !CONFIG_SMALL +static void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) { + decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 1); +} + +static void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) { + decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0); +} +#endif + +static void decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) { +#if CONFIG_SMALL + decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, cat == 0 || cat == 3); +#else + if( cat == 0 || cat == 3 ) decode_cabac_residual_dc(h, block, cat, n, scantable, qmul, max_coeff); + else decode_cabac_residual_nondc(h, block, cat, n, scantable, qmul, max_coeff); +#endif +} + +static inline void compute_mb_neighbors(H264Context *h) +{ + MpegEncContext * const s = &h->s; + const int mb_xy = h->mb_xy; + h->top_mb_xy = mb_xy - s->mb_stride; + h->left_mb_xy[0] = mb_xy - 1; + if(FRAME_MBAFF){ + const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride; + const int top_pair_xy = pair_xy - s->mb_stride; + const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]); + const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]); + const int curr_mb_field_flag = MB_FIELD; + const int bottom = (s->mb_y & 1); + + if (curr_mb_field_flag && (bottom || top_mb_field_flag)){ + h->top_mb_xy -= s->mb_stride; + } + if (!left_mb_field_flag == curr_mb_field_flag) { + h->left_mb_xy[0] = pair_xy - 1; + } + } else if (FIELD_PICTURE) { + h->top_mb_xy -= s->mb_stride; + } + return; +} + +/** + * decodes a macroblock + * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed + */ +int ff_h264_decode_mb_cabac(H264Context *h) { + MpegEncContext * const s = &h->s; + int mb_xy; + int mb_type, partition_count, cbp = 0; + int dct8x8_allowed= h->pps.transform_8x8_mode; + + mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride; + + tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y); + if( h->slice_type_nos != FF_I_TYPE ) { + int skip; + /* a skipped mb needs the aff flag from the following mb */ + if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 ) + predict_field_decoding_flag(h); + if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped ) + skip = h->next_mb_skipped; + else + skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y ); + /* read skip flags */ + if( skip ) { + if( FRAME_MBAFF && (s->mb_y&1)==0 ){ + s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP; + h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 ); + if(!h->next_mb_skipped) + h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); + } + + decode_mb_skip(h); + + h->cbp_table[mb_xy] = 0; + h->chroma_pred_mode_table[mb_xy] = 0; + h->last_qscale_diff = 0; + + return 0; + + } + } + if(FRAME_MBAFF){ + if( (s->mb_y&1) == 0 ) + h->mb_mbaff = + h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); + } + + h->prev_mb_skipped = 0; + + compute_mb_neighbors(h); + + if( h->slice_type_nos == FF_B_TYPE ) { + mb_type = decode_cabac_mb_type_b( h ); + if( mb_type < 23 ){ + partition_count= b_mb_type_info[mb_type].partition_count; + mb_type= b_mb_type_info[mb_type].type; + }else{ + mb_type -= 23; + goto decode_intra_mb; + } + } else if( h->slice_type_nos == FF_P_TYPE ) { + if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) { + /* P-type */ + if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) { + /* P_L0_D16x16, P_8x8 */ + mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] ); + } else { + /* P_L0_D8x16, P_L0_D16x8 */ + mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] ); + } + partition_count= p_mb_type_info[mb_type].partition_count; + mb_type= p_mb_type_info[mb_type].type; + } else { + mb_type= decode_cabac_intra_mb_type(h, 17, 0); + goto decode_intra_mb; + } + } else { + mb_type= decode_cabac_intra_mb_type(h, 3, 1); + if(h->slice_type == FF_SI_TYPE && mb_type) + mb_type--; + assert(h->slice_type_nos == FF_I_TYPE); +decode_intra_mb: + partition_count = 0; + cbp= i_mb_type_info[mb_type].cbp; + h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode; + mb_type= i_mb_type_info[mb_type].type; + } + if(MB_FIELD) + mb_type |= MB_TYPE_INTERLACED; + + h->slice_table[ mb_xy ]= h->slice_num; + + if(IS_INTRA_PCM(mb_type)) { + const uint8_t *ptr; + + // We assume these blocks are very rare so we do not optimize it. + // FIXME The two following lines get the bitstream position in the cabac + // decode, I think it should be done by a function in cabac.h (or cabac.c). + ptr= h->cabac.bytestream; + if(h->cabac.low&0x1) ptr--; + if(CABAC_BITS==16){ + if(h->cabac.low&0x1FF) ptr--; + } + + // The pixels are stored in the same order as levels in h->mb array. + memcpy(h->mb, ptr, 256); ptr+=256; + if(CHROMA){ + memcpy(h->mb+128, ptr, 128); ptr+=128; + } + + ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr); + + // All blocks are present + h->cbp_table[mb_xy] = 0x1ef; + h->chroma_pred_mode_table[mb_xy] = 0; + // In deblocking, the quantizer is 0 + s->current_picture.qscale_table[mb_xy]= 0; + // All coeffs are present + memset(h->non_zero_count[mb_xy], 16, 16); + s->current_picture.mb_type[mb_xy]= mb_type; + h->last_qscale_diff = 0; + return 0; + } + + if(MB_MBAFF){ + h->ref_count[0] <<= 1; + h->ref_count[1] <<= 1; + } + + fill_caches(h, mb_type, 0); + + if( IS_INTRA( mb_type ) ) { + int i, pred_mode; + if( IS_INTRA4x4( mb_type ) ) { + if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) { + mb_type |= MB_TYPE_8x8DCT; + for( i = 0; i < 16; i+=4 ) { + int pred = pred_intra_mode( h, i ); + int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred ); + fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 ); + } + } else { + for( i = 0; i < 16; i++ ) { + int pred = pred_intra_mode( h, i ); + h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred ); + + //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] ); + } + } + ff_h264_write_back_intra_pred_mode(h); + if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1; + } else { + h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode ); + if( h->intra16x16_pred_mode < 0 ) return -1; + } + if(CHROMA){ + h->chroma_pred_mode_table[mb_xy] = + pred_mode = decode_cabac_mb_chroma_pre_mode( h ); + + pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode ); + if( pred_mode < 0 ) return -1; + h->chroma_pred_mode= pred_mode; + } + } else if( partition_count == 4 ) { + int i, j, sub_partition_count[4], list, ref[2][4]; + + if( h->slice_type_nos == FF_B_TYPE ) { + for( i = 0; i < 4; i++ ) { + h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h ); + sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; + h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type; + } + if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] | + h->sub_mb_type[2] | h->sub_mb_type[3]) ) { + ff_h264_pred_direct_motion(h, &mb_type); + h->ref_cache[0][scan8[4]] = + h->ref_cache[1][scan8[4]] = + h->ref_cache[0][scan8[12]] = + h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; + if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) { + for( i = 0; i < 4; i++ ) + if( IS_DIRECT(h->sub_mb_type[i]) ) + fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 ); + } + } + } else { + for( i = 0; i < 4; i++ ) { + h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h ); + sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; + h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type; + } + } + + for( list = 0; list < h->list_count; list++ ) { + for( i = 0; i < 4; i++ ) { + if(IS_DIRECT(h->sub_mb_type[i])) continue; + if(IS_DIR(h->sub_mb_type[i], 0, list)){ + if( h->ref_count[list] > 1 ){ + ref[list][i] = decode_cabac_mb_ref( h, list, 4*i ); + if(ref[list][i] >= (unsigned)h->ref_count[list]){ + av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]); + return -1; + } + }else + ref[list][i] = 0; + } else { + ref[list][i] = -1; + } + h->ref_cache[list][ scan8[4*i]+1 ]= + h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i]; + } + } + + if(dct8x8_allowed) + dct8x8_allowed = get_dct8x8_allowed(h); + + for(list=0; list<h->list_count; list++){ + for(i=0; i<4; i++){ + h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]; + if(IS_DIRECT(h->sub_mb_type[i])){ + fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4); + continue; + } + + if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){ + const int sub_mb_type= h->sub_mb_type[i]; + const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; + for(j=0; j<sub_partition_count[i]; j++){ + int mpx, mpy; + int mx, my; + const int index= 4*i + block_width*j; + int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ]; + int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ]; + pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy); + + mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 ); + my = mpy + decode_cabac_mb_mvd( h, list, index, 1 ); + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + + if(IS_SUB_8X8(sub_mb_type)){ + mv_cache[ 1 ][0]= + mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; + mv_cache[ 1 ][1]= + mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; + + mvd_cache[ 1 ][0]= + mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx; + mvd_cache[ 1 ][1]= + mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy; + }else if(IS_SUB_8X4(sub_mb_type)){ + mv_cache[ 1 ][0]= mx; + mv_cache[ 1 ][1]= my; + + mvd_cache[ 1 ][0]= mx - mpx; + mvd_cache[ 1 ][1]= my - mpy; + }else if(IS_SUB_4X8(sub_mb_type)){ + mv_cache[ 8 ][0]= mx; + mv_cache[ 8 ][1]= my; + + mvd_cache[ 8 ][0]= mx - mpx; + mvd_cache[ 8 ][1]= my - mpy; + } + mv_cache[ 0 ][0]= mx; + mv_cache[ 0 ][1]= my; + + mvd_cache[ 0 ][0]= mx - mpx; + mvd_cache[ 0 ][1]= my - mpy; + } + }else{ + uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0]; + uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0]; + p[0] = p[1] = p[8] = p[9] = 0; + pd[0]= pd[1]= pd[8]= pd[9]= 0; + } + } + } + } else if( IS_DIRECT(mb_type) ) { + ff_h264_pred_direct_motion(h, &mb_type); + fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4); + fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4); + dct8x8_allowed &= h->sps.direct_8x8_inference_flag; + } else { + int list, mx, my, i, mpx, mpy; + if(IS_16X16(mb_type)){ + for(list=0; list<h->list_count; list++){ + if(IS_DIR(mb_type, 0, list)){ + int ref; + if(h->ref_count[list] > 1){ + ref= decode_cabac_mb_ref(h, list, 0); + if(ref >= (unsigned)h->ref_count[list]){ + av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); + return -1; + } + }else + ref=0; + fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1); + }else + fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too + } + for(list=0; list<h->list_count; list++){ + if(IS_DIR(mb_type, 0, list)){ + pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy); + + mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 ); + my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 ); + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + + fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4); + fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4); + }else + fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4); + } + } + else if(IS_16X8(mb_type)){ + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + if(IS_DIR(mb_type, i, list)){ + int ref; + if(h->ref_count[list] > 1){ + ref= decode_cabac_mb_ref( h, list, 8*i ); + if(ref >= (unsigned)h->ref_count[list]){ + av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); + return -1; + } + }else + ref=0; + fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1); + }else + fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1); + } + } + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + if(IS_DIR(mb_type, i, list)){ + pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy); + mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 ); + my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 ); + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + + fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4); + fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4); + }else{ + fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); + fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); + } + } + } + }else{ + assert(IS_8X16(mb_type)); + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + if(IS_DIR(mb_type, i, list)){ //FIXME optimize + int ref; + if(h->ref_count[list] > 1){ + ref= decode_cabac_mb_ref( h, list, 4*i ); + if(ref >= (unsigned)h->ref_count[list]){ + av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); + return -1; + } + }else + ref=0; + fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1); + }else + fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1); + } + } + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + if(IS_DIR(mb_type, i, list)){ + pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy); + mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 ); + my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 ); + + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4); + fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4); + }else{ + fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); + fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); + } + } + } + } + } + + if( IS_INTER( mb_type ) ) { + h->chroma_pred_mode_table[mb_xy] = 0; + write_back_motion( h, mb_type ); + } + + if( !IS_INTRA16x16( mb_type ) ) { + cbp = decode_cabac_mb_cbp_luma( h ); + if(CHROMA) + cbp |= decode_cabac_mb_cbp_chroma( h ) << 4; + } + + h->cbp_table[mb_xy] = h->cbp = cbp; + + if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) { + if( decode_cabac_mb_transform_size( h ) ) + mb_type |= MB_TYPE_8x8DCT; + } + s->current_picture.mb_type[mb_xy]= mb_type; + + if( cbp || IS_INTRA16x16( mb_type ) ) { + const uint8_t *scan, *scan8x8, *dc_scan; + const uint32_t *qmul; + int dqp; + + if(IS_INTERLACED(mb_type)){ + scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0; + scan= s->qscale ? h->field_scan : h->field_scan_q0; + dc_scan= luma_dc_field_scan; + }else{ + scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0; + scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0; + dc_scan= luma_dc_zigzag_scan; + } + + h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h ); + if( dqp == INT_MIN ){ + av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y); + return -1; + } + s->qscale += dqp; + if(((unsigned)s->qscale) > 51){ + if(s->qscale<0) s->qscale+= 52; + else s->qscale-= 52; + } + h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale); + h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale); + + if( IS_INTRA16x16( mb_type ) ) { + int i; + //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" ); + decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16); + + if( cbp&15 ) { + qmul = h->dequant4_coeff[0][s->qscale]; + for( i = 0; i < 16; i++ ) { + //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i ); + decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15); + } + } else { + fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1); + } + } else { + int i8x8, i4x4; + for( i8x8 = 0; i8x8 < 4; i8x8++ ) { + if( cbp & (1<<i8x8) ) { + if( IS_8x8DCT(mb_type) ) { + decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8, + scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64); + } else { + qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale]; + for( i4x4 = 0; i4x4 < 4; i4x4++ ) { + const int index = 4*i8x8 + i4x4; + //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index ); +//START_TIMER + decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16); +//STOP_TIMER("decode_residual") + } + } + } else { + uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ]; + nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0; + } + } + } + + if( cbp&0x30 ){ + int c; + for( c = 0; c < 2; c++ ) { + //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c ); + decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4); + } + } + + if( cbp&0x20 ) { + int c, i; + for( c = 0; c < 2; c++ ) { + qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]]; + for( i = 0; i < 4; i++ ) { + const int index = 16 + 4 * c + i; + //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 ); + decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15); + } + } + } else { + uint8_t * const nnz= &h->non_zero_count_cache[0]; + nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = + nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; + } + } else { + uint8_t * const nnz= &h->non_zero_count_cache[0]; + fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1); + nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = + nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; + h->last_qscale_diff = 0; + } + + s->current_picture.qscale_table[mb_xy]= s->qscale; + write_back_non_zero_count(h); + + if(MB_MBAFF){ + h->ref_count[0] >>= 1; + h->ref_count[1] >>= 1; + } + + return 0; +} diff --git a/libavcodec/h264data.h b/libavcodec/h264data.h index 54460bf8e0..8f93e42653 100644 --- a/libavcodec/h264data.h +++ b/libavcodec/h264data.h @@ -259,646 +259,4 @@ static const uint8_t dequant8_coeff_init[6][6]={ {36,32,58,34,46,43}, }; -/* Cabac pre state table */ - -static const int8_t cabac_context_init_I[460][2] = -{ - /* 0 - 10 */ - { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, - { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 }, - { -6, 53 }, { -1, 54 }, { 7, 51 }, - - /* 11 - 23 unsused for I */ - { 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 }, - - /* 24- 39 */ - { 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, 0 }, { 0, 0 }, { 0, 0 }, - - /* 40 - 53 */ - { 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, 0 }, - - /* 54 - 59 */ - { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, - { 0, 0 }, { 0, 0 }, - - /* 60 - 69 */ - { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, - { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, - { 13, 41 }, { 3, 62 }, - - /* 70 -> 87 */ - { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 }, - { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 }, - { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 }, - { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 }, - { -12, 115 },{ -16, 122 }, - - /* 88 -> 104 */ - { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 }, - { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 }, - { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 }, - { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 }, - { -22, 125 }, - - /* 105 -> 135 */ - { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 }, - { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 }, - { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 }, - { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 }, - { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 }, - { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 }, - { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 }, - { 14, 62 }, { -13, 108 },{ -15, 100 }, - - /* 136 -> 165 */ - { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 }, - { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 }, - { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 }, - { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 }, - { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 }, - { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 }, - { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 }, - { 0, 62 }, { 12, 72 }, - - /* 166 -> 196 */ - { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 }, - { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 }, - { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 }, - { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 }, - { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 }, - { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 }, - { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 }, - { 0, 89 }, { 26, -19 }, { 22, -17 }, - - /* 197 -> 226 */ - { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 }, - { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 }, - { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 }, - { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 }, - { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 }, - { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 }, - { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 }, - { 12, 68 }, { 2, 97 }, - - /* 227 -> 251 */ - { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 }, - { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 }, - { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 }, - { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 }, - { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 }, - { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 }, - { -4, 65 }, - - /* 252 -> 275 */ - { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 }, - { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 }, - { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 }, - { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 }, - { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 }, - { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 }, - - /* 276 a bit special (not used, bypass is used instead) */ - { 0, 0 }, - - /* 277 -> 307 */ - { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 }, - { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 }, - { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 }, - { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 }, - { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 }, - { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 }, - { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 }, - { 9, 64 }, { -12, 104 },{ -11, 97 }, - - /* 308 -> 337 */ - { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 }, - { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 }, - { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 }, - { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 }, - { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 }, - { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 }, - { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 }, - { 5, 64 }, { 12, 70 }, - - /* 338 -> 368 */ - { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 }, - { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 }, - { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 }, - { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 }, - { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 }, - { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 }, - { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 }, - { -12, 109 },{ 36, -35 }, { 36, -34 }, - - /* 369 -> 398 */ - { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 }, - { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 }, - { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 }, - { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 }, - { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 }, - { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 }, - { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 }, - { 29, 39 }, { 19, 66 }, - - /* 399 -> 435 */ - { 31, 21 }, { 31, 31 }, { 25, 50 }, - { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 }, - { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 }, - { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 }, - { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 }, - { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 }, - { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 }, - { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 }, - { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 }, - { 0, 68 }, { -9, 92 }, - - /* 436 -> 459 */ - { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 }, - { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 }, - { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 }, - { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 }, - { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 }, - { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 } -}; - -static const int8_t cabac_context_init_PB[3][460][2] = -{ - /* i_cabac_init_idc == 0 */ - { - /* 0 - 10 */ - { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, - { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, - { -6, 53 }, { -1, 54 }, { 7, 51 }, - - /* 11 - 23 */ - { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 }, - { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 }, - { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 }, - { 17, 50 }, - - /* 24 - 39 */ - { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 }, - { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 }, - { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 }, - { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 }, - - /* 40 - 53 */ - { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 }, - { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 }, - { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 }, - { -3, 81 }, { 0, 88 }, - - /* 54 - 59 */ - { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 }, - { -7, 72 }, { 1, 58 }, - - /* 60 - 69 */ - { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, - { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, - { 13, 41 }, { 3, 62 }, - - /* 70 - 87 */ - { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 }, - { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 }, - { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 }, - { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 }, - { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 }, - { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 }, - { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 }, - { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 }, - { 0, 68 }, { -4, 69 }, { -8, 88 }, - - /* 105 -> 165 */ - { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 }, - { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 }, - { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 }, - { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 }, - { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 }, - { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 }, - { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 }, - { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 }, - { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 }, - { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 }, - { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 }, - { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 }, - { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 }, - { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 }, - { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 }, - { 9, 69 }, - - /* 166 - 226 */ - { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 }, - { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 }, - { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 }, - { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 }, - { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 }, - { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 }, - { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 }, - { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 }, - { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 }, - { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 }, - { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 }, - { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 }, - { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 }, - { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 }, - { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 }, - { -9, 108 }, - - /* 227 - 275 */ - { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 }, - { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 }, - { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 }, - { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 }, - { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 }, - { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 }, - { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 }, - { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 }, - { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 }, - { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 }, - { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 }, - { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 }, - { -8, 85 }, - - /* 276 a bit special (not used, bypass is used instead) */ - { 0, 0 }, - - /* 277 - 337 */ - { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 }, - { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 }, - { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 }, - { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 }, - { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 }, - { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 }, - { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 }, - { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 }, - { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 }, - { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 }, - { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 }, - { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 }, - { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 }, - { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 }, - { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 }, - { 26, 43 }, - - /* 338 - 398 */ - { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 }, - { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 }, - { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 }, - { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 }, - { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 }, - { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 }, - { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 }, - { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 }, - { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 }, - { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 }, - { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 }, - { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 }, - { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 }, - { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 }, - { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 }, - { 11, 86 }, - - /* 399 - 435 */ - { 12, 40 }, { 11, 51 }, { 14, 59 }, - { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 }, - { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 }, - { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 }, - { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 }, - { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 }, - { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 }, - { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 }, - { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 }, - { -8, 66 }, { -8, 76 }, - - /* 436 - 459 */ - { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 }, - { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 }, - { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 }, - { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 }, - { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 }, - { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 }, - }, - - /* i_cabac_init_idc == 1 */ - { - /* 0 - 10 */ - { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, - { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, - { -6, 53 }, { -1, 54 }, { 7, 51 }, - - /* 11 - 23 */ - { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 }, - { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 }, - { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 }, - { 10, 54 }, - - /* 24 - 39 */ - { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 }, - { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 }, - { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 }, - { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 }, - - /* 40 - 53 */ - { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 }, - { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 }, - { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 }, - { -7, 86 },{ -5, 95 }, - - /* 54 - 59 */ - { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 }, - { -5, 72 },{ 0, 61 }, - - /* 60 - 69 */ - { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, - { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, - { 13, 41 }, { 3, 62 }, - - /* 70 - 104 */ - { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 }, - { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 }, - { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 }, - { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 }, - { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 }, - { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 }, - { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 }, - { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 }, - { 0, 68 }, { -7, 74 }, { -9, 88 }, - - /* 105 -> 165 */ - { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 }, - { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 }, - { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 }, - { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 }, - { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 }, - { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 }, - { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 }, - { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 }, - { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 }, - { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 }, - { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 }, - { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 }, - { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 }, - { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 }, - { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 }, - { 0, 89 }, - - /* 166 - 226 */ - { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 }, - { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 }, - { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 }, - { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 }, - { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 }, - { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 }, - { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 }, - { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 }, - { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 }, - { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 }, - { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 }, - { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 }, - { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 }, - { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 }, - { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 }, - { -10, 116 }, - - /* 227 - 275 */ - { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 }, - { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 }, - { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 }, - { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 }, - { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 }, - { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 }, - { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 }, - { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 }, - { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 }, - { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 }, - { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 }, - { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 }, - { -4, 78 }, - - /* 276 a bit special (not used, bypass is used instead) */ - { 0, 0 }, - - /* 277 - 337 */ - { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 }, - { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 }, - { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 }, - { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 }, - { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 }, - { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 }, - { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 }, - { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 }, - { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 }, - { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 }, - { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 }, - { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 }, - { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 }, - { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 }, - { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 }, - { 18, 50 }, - - /* 338 - 398 */ - { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 }, - { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 }, - { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 }, - { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 }, - { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 }, - { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 }, - { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 }, - { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 }, - { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 }, - { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 }, - { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 }, - { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 }, - { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 }, - { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 }, - { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 }, - { 11, 83 }, - - /* 399 - 435 */ - { 25, 32 }, { 21, 49 }, { 21, 54 }, - { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 }, - { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 }, - { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 }, - { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 }, - { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 }, - { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 }, - { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 }, - { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 }, - { -4, 67 }, { -7, 82 }, - - /* 436 - 459 */ - { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 }, - { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 }, - { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 }, - { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 }, - { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 }, - { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 }, - }, - - /* i_cabac_init_idc == 2 */ - { - /* 0 - 10 */ - { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, - { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, - { -6, 53 }, { -1, 54 }, { 7, 51 }, - - /* 11 - 23 */ - { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 }, - { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 }, - { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 }, - { 14, 57 }, - - /* 24 - 39 */ - { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 }, - { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 }, - { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 }, - { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 }, - - /* 40 - 53 */ - { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 }, - { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 }, - { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 }, - { -3, 90 },{ -1, 101 }, - - /* 54 - 59 */ - { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 }, - { -7, 50 },{ 1, 60 }, - - /* 60 - 69 */ - { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, - { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, - { 13, 41 }, { 3, 62 }, - - /* 70 - 104 */ - { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 }, - { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 }, - { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 }, - { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 }, - { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 }, - { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 }, - { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 }, - { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 }, - { 3, 68 }, { -8, 71 }, { -13, 98 }, - - /* 105 -> 165 */ - { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 }, - { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 }, - { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 }, - { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 }, - { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 }, - { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 }, - { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 }, - { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 }, - { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 }, - { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 }, - { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 }, - { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 }, - { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 }, - { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 }, - { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 }, - { -22, 127 }, - - /* 166 - 226 */ - { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 }, - { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 }, - { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 }, - { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 }, - { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 }, - { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 }, - { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 }, - { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 }, - { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 }, - { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 }, - { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 }, - { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 }, - { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 }, - { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 }, - { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 }, - { -24, 127 }, - - /* 227 - 275 */ - { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 }, - { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 }, - { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 }, - { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 }, - { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 }, - { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 }, - { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 }, - { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 }, - { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 }, - { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 }, - { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 }, - { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 }, - { -10, 87 }, - - /* 276 a bit special (not used, bypass is used instead) */ - { 0, 0 }, - - /* 277 - 337 */ - { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 }, - { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 }, - { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 }, - { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 }, - { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 }, - { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 }, - { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 }, - { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 }, - { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 }, - { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 }, - { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 }, - { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 }, - { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 }, - { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 }, - { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 }, - { 25, 42 }, - - /* 338 - 398 */ - { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 }, - { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 }, - { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 }, - { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 }, - { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 }, - { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 }, - { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 }, - { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 }, - { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 }, - { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 }, - { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 }, - { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 }, - { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 }, - { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 }, - { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 }, - { 25, 61 }, - - /* 399 - 435 */ - { 21, 33 }, { 19, 50 }, { 17, 61 }, - { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, - { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, - { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, - { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, - { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, - { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, - { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 }, - { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 }, - { -6, 68 }, { -10, 79 }, - - /* 436 - 459 */ - { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, - { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, - { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, - { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, - { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, - { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, - } -}; - #endif /* AVCODEC_H264DATA_H */ |