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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (C) 2004 Michael Niedermayer |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "libavutil/intmath.h" |
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| 22 | #include "libavutil/log.h" |
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| 23 | #include "libavutil/opt.h" |
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| 24 | #include "avcodec.h" |
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| 25 | #include "dsputil.h" |
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| 26 | #include "snow_dwt.h" |
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| 27 | #include "internal.h" |
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| 28 | #include "snow.h" |
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| 29 | #include "snowdata.h" |
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| 30 | |||
| 31 | #include "rangecoder.h" |
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| 32 | #include "mathops.h" |
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| 33 | #include "h263.h" |
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| 34 | |||
| 35 | |||
| 36 | void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, |
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| 37 | int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ |
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| 38 | int y, x; |
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| 39 | IDWTELEM * dst; |
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| 40 | for(y=0; y |
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| 41 | //FIXME ugly misuse of obmc_stride |
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| 42 | const uint8_t *obmc1= obmc + y*obmc_stride; |
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| 43 | const uint8_t *obmc2= obmc1+ (obmc_stride>>1); |
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| 44 | const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1); |
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| 45 | const uint8_t *obmc4= obmc3+ (obmc_stride>>1); |
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| 46 | dst = slice_buffer_get_line(sb, src_y + y); |
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| 47 | for(x=0; x |
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| 48 | int v= obmc1[x] * block[3][x + y*src_stride] |
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| 49 | +obmc2[x] * block[2][x + y*src_stride] |
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| 50 | +obmc3[x] * block[1][x + y*src_stride] |
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| 51 | +obmc4[x] * block[0][x + y*src_stride]; |
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| 52 | |||
| 53 | v <<= 8 - LOG2_OBMC_MAX; |
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| 54 | if(FRAC_BITS != 8){ |
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| 55 | v >>= 8 - FRAC_BITS; |
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| 56 | } |
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| 57 | if(add){ |
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| 58 | v += dst[x + src_x]; |
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| 59 | v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS; |
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| 60 | if(v&(~255)) v= ~(v>>31); |
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| 61 | dst8[x + y*src_stride] = v; |
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| 62 | }else{ |
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| 63 | dst[x + src_x] -= v; |
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| 64 | } |
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| 65 | } |
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| 66 | } |
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| 67 | } |
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| 68 | |||
| 69 | void ff_snow_reset_contexts(SnowContext *s){ //FIXME better initial contexts |
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| 70 | int plane_index, level, orientation; |
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| 71 | |||
| 72 | for(plane_index=0; plane_index<3; plane_index++){ |
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| 73 | for(level=0; level |
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| 74 | for(orientation=level ? 1:0; orientation<4; orientation++){ |
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| 75 | memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state)); |
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| 76 | } |
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| 77 | } |
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| 78 | } |
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| 79 | memset(s->header_state, MID_STATE, sizeof(s->header_state)); |
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| 80 | memset(s->block_state, MID_STATE, sizeof(s->block_state)); |
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| 81 | } |
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| 82 | |||
| 83 | int ff_snow_alloc_blocks(SnowContext *s){ |
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| 84 | int w= FF_CEIL_RSHIFT(s->avctx->width, LOG2_MB_SIZE); |
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| 85 | int h= FF_CEIL_RSHIFT(s->avctx->height, LOG2_MB_SIZE); |
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| 86 | |||
| 87 | s->b_width = w; |
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| 88 | s->b_height= h; |
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| 89 | |||
| 90 | av_free(s->block); |
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| 91 | s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2)); |
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| 92 | if (!s->block) |
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| 93 | return AVERROR(ENOMEM); |
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| 94 | |||
| 95 | return 0; |
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| 96 | } |
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| 97 | |||
| 98 | static av_cold void init_qexp(void){ |
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| 99 | int i; |
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| 100 | double v=128; |
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| 101 | |||
| 102 | for(i=0; i |
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| 103 | ff_qexp[i]= lrintf(v); |
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| 104 | v *= pow(2, 1.0 / QROOT); |
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| 105 | } |
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| 106 | } |
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| 107 | static void mc_block(Plane *p, uint8_t *dst, const uint8_t *src, int stride, int b_w, int b_h, int dx, int dy){ |
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| 108 | static const uint8_t weight[64]={ |
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| 109 | 8,7,6,5,4,3,2,1, |
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| 110 | 7,7,0,0,0,0,0,1, |
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| 111 | 6,0,6,0,0,0,2,0, |
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| 112 | 5,0,0,5,0,3,0,0, |
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| 113 | 4,0,0,0,4,0,0,0, |
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| 114 | 3,0,0,5,0,3,0,0, |
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| 115 | 2,0,6,0,0,0,2,0, |
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| 116 | 1,7,0,0,0,0,0,1, |
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| 117 | }; |
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| 118 | |||
| 119 | static const uint8_t brane[256]={ |
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| 120 | 0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x11,0x12,0x12,0x12,0x12,0x12,0x12,0x12, |
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| 121 | 0x04,0x05,0xcc,0xcc,0xcc,0xcc,0xcc,0x41,0x15,0x16,0xcc,0xcc,0xcc,0xcc,0xcc,0x52, |
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| 122 | 0x04,0xcc,0x05,0xcc,0xcc,0xcc,0x41,0xcc,0x15,0xcc,0x16,0xcc,0xcc,0xcc,0x52,0xcc, |
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| 123 | 0x04,0xcc,0xcc,0x05,0xcc,0x41,0xcc,0xcc,0x15,0xcc,0xcc,0x16,0xcc,0x52,0xcc,0xcc, |
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| 124 | 0x04,0xcc,0xcc,0xcc,0x41,0xcc,0xcc,0xcc,0x15,0xcc,0xcc,0xcc,0x16,0xcc,0xcc,0xcc, |
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| 125 | 0x04,0xcc,0xcc,0x41,0xcc,0x05,0xcc,0xcc,0x15,0xcc,0xcc,0x52,0xcc,0x16,0xcc,0xcc, |
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| 126 | 0x04,0xcc,0x41,0xcc,0xcc,0xcc,0x05,0xcc,0x15,0xcc,0x52,0xcc,0xcc,0xcc,0x16,0xcc, |
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| 127 | 0x04,0x41,0xcc,0xcc,0xcc,0xcc,0xcc,0x05,0x15,0x52,0xcc,0xcc,0xcc,0xcc,0xcc,0x16, |
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| 128 | 0x44,0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x55,0x56,0x56,0x56,0x56,0x56,0x56,0x56, |
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| 129 | 0x48,0x49,0xcc,0xcc,0xcc,0xcc,0xcc,0x85,0x59,0x5A,0xcc,0xcc,0xcc,0xcc,0xcc,0x96, |
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| 130 | 0x48,0xcc,0x49,0xcc,0xcc,0xcc,0x85,0xcc,0x59,0xcc,0x5A,0xcc,0xcc,0xcc,0x96,0xcc, |
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| 131 | 0x48,0xcc,0xcc,0x49,0xcc,0x85,0xcc,0xcc,0x59,0xcc,0xcc,0x5A,0xcc,0x96,0xcc,0xcc, |
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| 132 | 0x48,0xcc,0xcc,0xcc,0x49,0xcc,0xcc,0xcc,0x59,0xcc,0xcc,0xcc,0x96,0xcc,0xcc,0xcc, |
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| 133 | 0x48,0xcc,0xcc,0x85,0xcc,0x49,0xcc,0xcc,0x59,0xcc,0xcc,0x96,0xcc,0x5A,0xcc,0xcc, |
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| 134 | 0x48,0xcc,0x85,0xcc,0xcc,0xcc,0x49,0xcc,0x59,0xcc,0x96,0xcc,0xcc,0xcc,0x5A,0xcc, |
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| 135 | 0x48,0x85,0xcc,0xcc,0xcc,0xcc,0xcc,0x49,0x59,0x96,0xcc,0xcc,0xcc,0xcc,0xcc,0x5A, |
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| 136 | }; |
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| 137 | |||
| 138 | static const uint8_t needs[16]={ |
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| 139 | 0,1,0,0, |
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| 140 | 2,4,2,0, |
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| 141 | 0,1,0,0, |
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| 142 | 15 |
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| 143 | }; |
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| 144 | |||
| 145 | int x, y, b, r, l; |
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| 146 | int16_t tmpIt [64*(32+HTAPS_MAX)]; |
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| 147 | uint8_t tmp2t[3][64*(32+HTAPS_MAX)]; |
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| 148 | int16_t *tmpI= tmpIt; |
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| 149 | uint8_t *tmp2= tmp2t[0]; |
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| 150 | const uint8_t *hpel[11]; |
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| 151 | av_assert2(dx<16 && dy<16); |
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| 152 | r= brane[dx + 16*dy]&15; |
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| 153 | l= brane[dx + 16*dy]>>4; |
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| 154 | |||
| 155 | b= needs[l] | needs[r]; |
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| 156 | if(p && !p->diag_mc) |
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| 157 | b= 15; |
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| 158 | |||
| 159 | if(b&5){ |
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| 160 | for(y=0; y < b_h+HTAPS_MAX-1; y++){ |
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| 161 | for(x=0; x < b_w; x++){ |
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| 162 | int a_1=src[x + HTAPS_MAX/2-4]; |
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| 163 | int a0= src[x + HTAPS_MAX/2-3]; |
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| 164 | int a1= src[x + HTAPS_MAX/2-2]; |
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| 165 | int a2= src[x + HTAPS_MAX/2-1]; |
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| 166 | int a3= src[x + HTAPS_MAX/2+0]; |
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| 167 | int a4= src[x + HTAPS_MAX/2+1]; |
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| 168 | int a5= src[x + HTAPS_MAX/2+2]; |
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| 169 | int a6= src[x + HTAPS_MAX/2+3]; |
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| 170 | int am=0; |
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| 171 | if(!p || p->fast_mc){ |
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| 172 | am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5); |
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| 173 | tmpI[x]= am; |
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| 174 | am= (am+16)>>5; |
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| 175 | }else{ |
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| 176 | am= p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6); |
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| 177 | tmpI[x]= am; |
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| 178 | am= (am+32)>>6; |
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| 179 | } |
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| 180 | |||
| 181 | if(am&(~255)) am= ~(am>>31); |
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| 182 | tmp2[x]= am; |
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| 183 | } |
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| 184 | tmpI+= 64; |
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| 185 | tmp2+= 64; |
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| 186 | src += stride; |
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| 187 | } |
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| 188 | src -= stride*y; |
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| 189 | } |
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| 190 | src += HTAPS_MAX/2 - 1; |
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| 191 | tmp2= tmp2t[1]; |
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| 192 | |||
| 193 | if(b&2){ |
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| 194 | for(y=0; y < b_h; y++){ |
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| 195 | for(x=0; x < b_w+1; x++){ |
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| 196 | int a_1=src[x + (HTAPS_MAX/2-4)*stride]; |
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| 197 | int a0= src[x + (HTAPS_MAX/2-3)*stride]; |
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| 198 | int a1= src[x + (HTAPS_MAX/2-2)*stride]; |
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| 199 | int a2= src[x + (HTAPS_MAX/2-1)*stride]; |
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| 200 | int a3= src[x + (HTAPS_MAX/2+0)*stride]; |
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| 201 | int a4= src[x + (HTAPS_MAX/2+1)*stride]; |
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| 202 | int a5= src[x + (HTAPS_MAX/2+2)*stride]; |
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| 203 | int a6= src[x + (HTAPS_MAX/2+3)*stride]; |
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| 204 | int am=0; |
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| 205 | if(!p || p->fast_mc) |
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| 206 | am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 16)>>5; |
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| 207 | else |
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| 208 | am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 32)>>6; |
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| 209 | |||
| 210 | if(am&(~255)) am= ~(am>>31); |
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| 211 | tmp2[x]= am; |
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| 212 | } |
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| 213 | src += stride; |
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| 214 | tmp2+= 64; |
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| 215 | } |
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| 216 | src -= stride*y; |
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| 217 | } |
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| 218 | src += stride*(HTAPS_MAX/2 - 1); |
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| 219 | tmp2= tmp2t[2]; |
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| 220 | tmpI= tmpIt; |
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| 221 | if(b&4){ |
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| 222 | for(y=0; y < b_h; y++){ |
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| 223 | for(x=0; x < b_w; x++){ |
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| 224 | int a_1=tmpI[x + (HTAPS_MAX/2-4)*64]; |
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| 225 | int a0= tmpI[x + (HTAPS_MAX/2-3)*64]; |
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| 226 | int a1= tmpI[x + (HTAPS_MAX/2-2)*64]; |
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| 227 | int a2= tmpI[x + (HTAPS_MAX/2-1)*64]; |
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| 228 | int a3= tmpI[x + (HTAPS_MAX/2+0)*64]; |
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| 229 | int a4= tmpI[x + (HTAPS_MAX/2+1)*64]; |
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| 230 | int a5= tmpI[x + (HTAPS_MAX/2+2)*64]; |
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| 231 | int a6= tmpI[x + (HTAPS_MAX/2+3)*64]; |
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| 232 | int am=0; |
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| 233 | if(!p || p->fast_mc) |
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| 234 | am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 512)>>10; |
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| 235 | else |
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| 236 | am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 2048)>>12; |
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| 237 | if(am&(~255)) am= ~(am>>31); |
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| 238 | tmp2[x]= am; |
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| 239 | } |
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| 240 | tmpI+= 64; |
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| 241 | tmp2+= 64; |
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| 242 | } |
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| 243 | } |
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| 244 | |||
| 245 | hpel[ 0]= src; |
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| 246 | hpel[ 1]= tmp2t[0] + 64*(HTAPS_MAX/2-1); |
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| 247 | hpel[ 2]= src + 1; |
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| 248 | |||
| 249 | hpel[ 4]= tmp2t[1]; |
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| 250 | hpel[ 5]= tmp2t[2]; |
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| 251 | hpel[ 6]= tmp2t[1] + 1; |
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| 252 | |||
| 253 | hpel[ 8]= src + stride; |
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| 254 | hpel[ 9]= hpel[1] + 64; |
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| 255 | hpel[10]= hpel[8] + 1; |
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| 256 | |||
| 257 | #define MC_STRIDE(x) (needs[x] ? 64 : stride) |
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| 258 | |||
| 259 | if(b==15){ |
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| 260 | int dxy = dx / 8 + dy / 8 * 4; |
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| 261 | const uint8_t *src1 = hpel[dxy ]; |
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| 262 | const uint8_t *src2 = hpel[dxy + 1]; |
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| 263 | const uint8_t *src3 = hpel[dxy + 4]; |
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| 264 | const uint8_t *src4 = hpel[dxy + 5]; |
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| 265 | int stride1 = MC_STRIDE(dxy); |
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| 266 | int stride2 = MC_STRIDE(dxy + 1); |
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| 267 | int stride3 = MC_STRIDE(dxy + 4); |
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| 268 | int stride4 = MC_STRIDE(dxy + 5); |
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| 269 | dx&=7; |
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| 270 | dy&=7; |
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| 271 | for(y=0; y < b_h; y++){ |
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| 272 | for(x=0; x < b_w; x++){ |
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| 273 | dst[x]= ((8-dx)*(8-dy)*src1[x] + dx*(8-dy)*src2[x]+ |
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| 274 | (8-dx)* dy *src3[x] + dx* dy *src4[x]+32)>>6; |
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| 275 | } |
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| 276 | src1+=stride1; |
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| 277 | src2+=stride2; |
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| 278 | src3+=stride3; |
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| 279 | src4+=stride4; |
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| 280 | dst +=stride; |
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| 281 | } |
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| 282 | }else{ |
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| 283 | const uint8_t *src1= hpel[l]; |
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| 284 | const uint8_t *src2= hpel[r]; |
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| 285 | int stride1 = MC_STRIDE(l); |
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| 286 | int stride2 = MC_STRIDE(r); |
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| 287 | int a= weight[((dx&7) + (8*(dy&7)))]; |
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| 288 | int b= 8-a; |
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| 289 | for(y=0; y < b_h; y++){ |
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| 290 | for(x=0; x < b_w; x++){ |
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| 291 | dst[x]= (a*src1[x] + b*src2[x] + 4)>>3; |
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| 292 | } |
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| 293 | src1+=stride1; |
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| 294 | src2+=stride2; |
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| 295 | dst +=stride; |
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| 296 | } |
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| 297 | } |
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| 298 | } |
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| 299 | |||
| 300 | void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, ptrdiff_t stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){ |
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| 301 | if(block->type & BLOCK_INTRA){ |
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| 302 | int x, y; |
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| 303 | const unsigned color = block->color[plane_index]; |
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| 304 | const unsigned color4 = color*0x01010101; |
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| 305 | if(b_w==32){ |
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| 306 | for(y=0; y < b_h; y++){ |
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| 307 | *(uint32_t*)&dst[0 + y*stride]= color4; |
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| 308 | *(uint32_t*)&dst[4 + y*stride]= color4; |
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| 309 | *(uint32_t*)&dst[8 + y*stride]= color4; |
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| 310 | *(uint32_t*)&dst[12+ y*stride]= color4; |
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| 311 | *(uint32_t*)&dst[16+ y*stride]= color4; |
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| 312 | *(uint32_t*)&dst[20+ y*stride]= color4; |
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| 313 | *(uint32_t*)&dst[24+ y*stride]= color4; |
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| 314 | *(uint32_t*)&dst[28+ y*stride]= color4; |
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| 315 | } |
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| 316 | }else if(b_w==16){ |
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| 317 | for(y=0; y < b_h; y++){ |
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| 318 | *(uint32_t*)&dst[0 + y*stride]= color4; |
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| 319 | *(uint32_t*)&dst[4 + y*stride]= color4; |
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| 320 | *(uint32_t*)&dst[8 + y*stride]= color4; |
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| 321 | *(uint32_t*)&dst[12+ y*stride]= color4; |
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| 322 | } |
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| 323 | }else if(b_w==8){ |
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| 324 | for(y=0; y < b_h; y++){ |
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| 325 | *(uint32_t*)&dst[0 + y*stride]= color4; |
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| 326 | *(uint32_t*)&dst[4 + y*stride]= color4; |
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| 327 | } |
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| 328 | }else if(b_w==4){ |
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| 329 | for(y=0; y < b_h; y++){ |
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| 330 | *(uint32_t*)&dst[0 + y*stride]= color4; |
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| 331 | } |
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| 332 | }else{ |
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| 333 | for(y=0; y < b_h; y++){ |
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| 334 | for(x=0; x < b_w; x++){ |
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| 335 | dst[x + y*stride]= color; |
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| 336 | } |
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| 337 | } |
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| 338 | } |
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| 339 | }else{ |
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| 340 | uint8_t *src= s->last_picture[block->ref]->data[plane_index]; |
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| 341 | const int scale= plane_index ? (2*s->mv_scale)>>s->chroma_h_shift : 2*s->mv_scale; |
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| 342 | int mx= block->mx*scale; |
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| 343 | int my= block->my*scale; |
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| 344 | const int dx= mx&15; |
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| 345 | const int dy= my&15; |
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| 346 | const int tab_index= 3 - (b_w>>2) + (b_w>>4); |
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| 347 | sx += (mx>>4) - (HTAPS_MAX/2-1); |
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| 348 | sy += (my>>4) - (HTAPS_MAX/2-1); |
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| 349 | src += sx + sy*stride; |
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| 350 | if( (unsigned)sx >= FFMAX(w - b_w - (HTAPS_MAX-2), 0) |
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| 351 | || (unsigned)sy >= FFMAX(h - b_h - (HTAPS_MAX-2), 0)){ |
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| 352 | s->vdsp.emulated_edge_mc(tmp + MB_SIZE, stride, src, stride, |
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| 353 | b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1, |
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| 354 | sx, sy, w, h); |
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| 355 | src= tmp + MB_SIZE; |
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| 356 | } |
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| 357 | |||
| 358 | av_assert2(s->chroma_h_shift == s->chroma_v_shift); // only one mv_scale |
||
| 359 | |||
| 360 | av_assert2(b_w>1 && b_h>1); |
||
| 361 | av_assert2((tab_index>=0 && tab_index<4) || b_w==32); |
||
| 362 | if((dx&3) || (dy&3) || !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h) || (b_w&(b_w-1)) || !s->plane[plane_index].fast_mc ) |
||
| 363 | mc_block(&s->plane[plane_index], dst, src, stride, b_w, b_h, dx, dy); |
||
| 364 | else if(b_w==32){ |
||
| 365 | int y; |
||
| 366 | for(y=0; y |
||
| 367 | s->h264qpel.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 3 + (y+3)*stride,stride); |
||
| 368 | s->h264qpel.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 19 + (y+3)*stride,stride); |
||
| 369 | } |
||
| 370 | }else if(b_w==b_h) |
||
| 371 | s->h264qpel.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 3 + 3*stride,stride); |
||
| 372 | else if(b_w==2*b_h){ |
||
| 373 | s->h264qpel.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 3 + 3*stride,stride); |
||
| 374 | s->h264qpel.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 3 + b_h + 3*stride,stride); |
||
| 375 | }else{ |
||
| 376 | av_assert2(2*b_w==b_h); |
||
| 377 | s->h264qpel.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 3 + 3*stride ,stride); |
||
| 378 | s->h264qpel.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 3 + 3*stride+b_w*stride,stride); |
||
| 379 | } |
||
| 380 | } |
||
| 381 | } |
||
| 382 | |||
| 383 | #define mca(dx,dy,b_w)\ |
||
| 384 | static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h){\ |
||
| 385 | av_assert2(h==b_w);\ |
||
| 386 | mc_block(NULL, dst, src-(HTAPS_MAX/2-1)-(HTAPS_MAX/2-1)*stride, stride, b_w, b_w, dx, dy);\ |
||
| 387 | } |
||
| 388 | |||
| 389 | mca( 0, 0,16) |
||
| 390 | mca( 8, 0,16) |
||
| 391 | mca( 0, 8,16) |
||
| 392 | mca( 8, 8,16) |
||
| 393 | mca( 0, 0,8) |
||
| 394 | mca( 8, 0,8) |
||
| 395 | mca( 0, 8,8) |
||
| 396 | mca( 8, 8,8) |
||
| 397 | |||
| 398 | av_cold int ff_snow_common_init(AVCodecContext *avctx){ |
||
| 399 | SnowContext *s = avctx->priv_data; |
||
| 400 | int width, height; |
||
| 401 | int i, j; |
||
| 402 | |||
| 403 | s->avctx= avctx; |
||
| 404 | s->max_ref_frames=1; //just make sure it's not an invalid value in case of no initial keyframe |
||
| 405 | |||
| 406 | ff_dsputil_init(&s->dsp, avctx); |
||
| 407 | ff_hpeldsp_init(&s->hdsp, avctx->flags); |
||
| 408 | ff_videodsp_init(&s->vdsp, 8); |
||
| 409 | ff_dwt_init(&s->dwt); |
||
| 410 | ff_h264qpel_init(&s->h264qpel, 8); |
||
| 411 | |||
| 412 | #define mcf(dx,dy)\ |
||
| 413 | s->dsp.put_qpel_pixels_tab [0][dy+dx/4]=\ |
||
| 414 | s->dsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\ |
||
| 415 | s->h264qpel.put_h264_qpel_pixels_tab[0][dy+dx/4];\ |
||
| 416 | s->dsp.put_qpel_pixels_tab [1][dy+dx/4]=\ |
||
| 417 | s->dsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\ |
||
| 418 | s->h264qpel.put_h264_qpel_pixels_tab[1][dy+dx/4]; |
||
| 419 | |||
| 420 | mcf( 0, 0) |
||
| 421 | mcf( 4, 0) |
||
| 422 | mcf( 8, 0) |
||
| 423 | mcf(12, 0) |
||
| 424 | mcf( 0, 4) |
||
| 425 | mcf( 4, 4) |
||
| 426 | mcf( 8, 4) |
||
| 427 | mcf(12, 4) |
||
| 428 | mcf( 0, 8) |
||
| 429 | mcf( 4, 8) |
||
| 430 | mcf( 8, 8) |
||
| 431 | mcf(12, 8) |
||
| 432 | mcf( 0,12) |
||
| 433 | mcf( 4,12) |
||
| 434 | mcf( 8,12) |
||
| 435 | mcf(12,12) |
||
| 436 | |||
| 437 | #define mcfh(dx,dy)\ |
||
| 438 | s->hdsp.put_pixels_tab [0][dy/4+dx/8]=\ |
||
| 439 | s->hdsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\ |
||
| 440 | mc_block_hpel ## dx ## dy ## 16;\ |
||
| 441 | s->hdsp.put_pixels_tab [1][dy/4+dx/8]=\ |
||
| 442 | s->hdsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\ |
||
| 443 | mc_block_hpel ## dx ## dy ## 8; |
||
| 444 | |||
| 445 | mcfh(0, 0) |
||
| 446 | mcfh(8, 0) |
||
| 447 | mcfh(0, 8) |
||
| 448 | mcfh(8, 8) |
||
| 449 | |||
| 450 | init_qexp(); |
||
| 451 | |||
| 452 | // dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift); |
||
| 453 | |||
| 454 | width= s->avctx->width; |
||
| 455 | height= s->avctx->height; |
||
| 456 | |||
| 457 | FF_ALLOCZ_OR_GOTO(avctx, s->spatial_idwt_buffer, width * height * sizeof(IDWTELEM), fail); |
||
| 458 | FF_ALLOCZ_OR_GOTO(avctx, s->spatial_dwt_buffer, width * height * sizeof(DWTELEM), fail); //FIXME this does not belong here |
||
| 459 | FF_ALLOCZ_OR_GOTO(avctx, s->temp_dwt_buffer, width * sizeof(DWTELEM), fail); |
||
| 460 | FF_ALLOCZ_OR_GOTO(avctx, s->temp_idwt_buffer, width * sizeof(IDWTELEM), fail); |
||
| 461 | FF_ALLOC_OR_GOTO(avctx, s->run_buffer, ((width + 1) >> 1) * ((height + 1) >> 1) * sizeof(*s->run_buffer), fail); |
||
| 462 | |||
| 463 | for(i=0; i |
||
| 464 | for(j=0; j |
||
| 465 | ff_scale_mv_ref[i][j] = 256*(i+1)/(j+1); |
||
| 466 | s->last_picture[i] = av_frame_alloc(); |
||
| 467 | if (!s->last_picture[i]) |
||
| 468 | goto fail; |
||
| 469 | } |
||
| 470 | |||
| 471 | s->mconly_picture = av_frame_alloc(); |
||
| 472 | s->current_picture = av_frame_alloc(); |
||
| 473 | if (!s->mconly_picture || !s->current_picture) |
||
| 474 | goto fail; |
||
| 475 | |||
| 476 | return 0; |
||
| 477 | fail: |
||
| 478 | return AVERROR(ENOMEM); |
||
| 479 | } |
||
| 480 | |||
| 481 | int ff_snow_common_init_after_header(AVCodecContext *avctx) { |
||
| 482 | SnowContext *s = avctx->priv_data; |
||
| 483 | int plane_index, level, orientation; |
||
| 484 | int ret, emu_buf_size; |
||
| 485 | |||
| 486 | if(!s->scratchbuf) { |
||
| 487 | if ((ret = ff_get_buffer(s->avctx, s->mconly_picture, |
||
| 488 | AV_GET_BUFFER_FLAG_REF)) < 0) |
||
| 489 | return ret; |
||
| 490 | FF_ALLOCZ_OR_GOTO(avctx, s->scratchbuf, FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256)*7*MB_SIZE, fail); |
||
| 491 | emu_buf_size = FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256) * (2 * MB_SIZE + HTAPS_MAX - 1); |
||
| 492 | FF_ALLOC_OR_GOTO(avctx, s->emu_edge_buffer, emu_buf_size, fail); |
||
| 493 | } |
||
| 494 | |||
| 495 | if(s->mconly_picture->format != avctx->pix_fmt) { |
||
| 496 | av_log(avctx, AV_LOG_ERROR, "pixel format changed\n"); |
||
| 497 | return AVERROR_INVALIDDATA; |
||
| 498 | } |
||
| 499 | |||
| 500 | for(plane_index=0; plane_index < s->nb_planes; plane_index++){ |
||
| 501 | int w= s->avctx->width; |
||
| 502 | int h= s->avctx->height; |
||
| 503 | |||
| 504 | if(plane_index){ |
||
| 505 | w>>= s->chroma_h_shift; |
||
| 506 | h>>= s->chroma_v_shift; |
||
| 507 | } |
||
| 508 | s->plane[plane_index].width = w; |
||
| 509 | s->plane[plane_index].height= h; |
||
| 510 | |||
| 511 | for(level=s->spatial_decomposition_count-1; level>=0; level--){ |
||
| 512 | for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
||
| 513 | SubBand *b= &s->plane[plane_index].band[level][orientation]; |
||
| 514 | |||
| 515 | b->buf= s->spatial_dwt_buffer; |
||
| 516 | b->level= level; |
||
| 517 | b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level); |
||
| 518 | b->width = (w + !(orientation&1))>>1; |
||
| 519 | b->height= (h + !(orientation>1))>>1; |
||
| 520 | |||
| 521 | b->stride_line = 1 << (s->spatial_decomposition_count - level); |
||
| 522 | b->buf_x_offset = 0; |
||
| 523 | b->buf_y_offset = 0; |
||
| 524 | |||
| 525 | if(orientation&1){ |
||
| 526 | b->buf += (w+1)>>1; |
||
| 527 | b->buf_x_offset = (w+1)>>1; |
||
| 528 | } |
||
| 529 | if(orientation>1){ |
||
| 530 | b->buf += b->stride>>1; |
||
| 531 | b->buf_y_offset = b->stride_line >> 1; |
||
| 532 | } |
||
| 533 | b->ibuf= s->spatial_idwt_buffer + (b->buf - s->spatial_dwt_buffer); |
||
| 534 | |||
| 535 | if(level) |
||
| 536 | b->parent= &s->plane[plane_index].band[level-1][orientation]; |
||
| 537 | //FIXME avoid this realloc |
||
| 538 | av_freep(&b->x_coeff); |
||
| 539 | b->x_coeff=av_mallocz(((b->width+1) * b->height+1)*sizeof(x_and_coeff)); |
||
| 540 | if (!b->x_coeff) |
||
| 541 | goto fail; |
||
| 542 | } |
||
| 543 | w= (w+1)>>1; |
||
| 544 | h= (h+1)>>1; |
||
| 545 | } |
||
| 546 | } |
||
| 547 | |||
| 548 | return 0; |
||
| 549 | fail: |
||
| 550 | return AVERROR(ENOMEM); |
||
| 551 | } |
||
| 552 | |||
| 553 | #define USE_HALFPEL_PLANE 0 |
||
| 554 | |||
| 555 | static int halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){ |
||
| 556 | int p,x,y; |
||
| 557 | |||
| 558 | for(p=0; p < s->nb_planes; p++){ |
||
| 559 | int is_chroma= !!p; |
||
| 560 | int w= is_chroma ? s->avctx->width >>s->chroma_h_shift : s->avctx->width; |
||
| 561 | int h= is_chroma ? s->avctx->height>>s->chroma_v_shift : s->avctx->height; |
||
| 562 | int ls= frame->linesize[p]; |
||
| 563 | uint8_t *src= frame->data[p]; |
||
| 564 | |||
| 565 | halfpel[1][p] = (uint8_t*) av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls); |
||
| 566 | halfpel[2][p] = (uint8_t*) av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls); |
||
| 567 | halfpel[3][p] = (uint8_t*) av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls); |
||
| 568 | if (!halfpel[1][p] || !halfpel[2][p] || !halfpel[3][p]) |
||
| 569 | return AVERROR(ENOMEM); |
||
| 570 | |||
| 571 | halfpel[0][p]= src; |
||
| 572 | for(y=0; y |
||
| 573 | for(x=0; x |
||
| 574 | int i= y*ls + x; |
||
| 575 | |||
| 576 | halfpel[1][p][i]= (20*(src[i] + src[i+1]) - 5*(src[i-1] + src[i+2]) + (src[i-2] + src[i+3]) + 16 )>>5; |
||
| 577 | } |
||
| 578 | } |
||
| 579 | for(y=0; y |
||
| 580 | for(x=0; x |
||
| 581 | int i= y*ls + x; |
||
| 582 | |||
| 583 | halfpel[2][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5; |
||
| 584 | } |
||
| 585 | } |
||
| 586 | src= halfpel[1][p]; |
||
| 587 | for(y=0; y |
||
| 588 | for(x=0; x |
||
| 589 | int i= y*ls + x; |
||
| 590 | |||
| 591 | halfpel[3][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5; |
||
| 592 | } |
||
| 593 | } |
||
| 594 | |||
| 595 | //FIXME border! |
||
| 596 | } |
||
| 597 | return 0; |
||
| 598 | } |
||
| 599 | |||
| 600 | void ff_snow_release_buffer(AVCodecContext *avctx) |
||
| 601 | { |
||
| 602 | SnowContext *s = avctx->priv_data; |
||
| 603 | int i; |
||
| 604 | |||
| 605 | if(s->last_picture[s->max_ref_frames-1]->data[0]){ |
||
| 606 | av_frame_unref(s->last_picture[s->max_ref_frames-1]); |
||
| 607 | for(i=0; i<9; i++) |
||
| 608 | if(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3]) |
||
| 609 | av_free(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] - EDGE_WIDTH*(1+s->current_picture->linesize[i%3])); |
||
| 610 | } |
||
| 611 | } |
||
| 612 | |||
| 613 | int ff_snow_frame_start(SnowContext *s){ |
||
| 614 | AVFrame *tmp; |
||
| 615 | int i, ret; |
||
| 616 | int w= s->avctx->width; //FIXME round up to x16 ? |
||
| 617 | int h= s->avctx->height; |
||
| 618 | |||
| 619 | if (s->current_picture->data[0] && !(s->avctx->flags&CODEC_FLAG_EMU_EDGE)) { |
||
| 620 | s->dsp.draw_edges(s->current_picture->data[0], |
||
| 621 | s->current_picture->linesize[0], w , h , |
||
| 622 | EDGE_WIDTH , EDGE_WIDTH , EDGE_TOP | EDGE_BOTTOM); |
||
| 623 | if (s->current_picture->data[2]) { |
||
| 624 | s->dsp.draw_edges(s->current_picture->data[1], |
||
| 625 | s->current_picture->linesize[1], w>>s->chroma_h_shift, h>>s->chroma_v_shift, |
||
| 626 | EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM); |
||
| 627 | s->dsp.draw_edges(s->current_picture->data[2], |
||
| 628 | s->current_picture->linesize[2], w>>s->chroma_h_shift, h>>s->chroma_v_shift, |
||
| 629 | EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM); |
||
| 630 | } |
||
| 631 | } |
||
| 632 | |||
| 633 | ff_snow_release_buffer(s->avctx); |
||
| 634 | |||
| 635 | tmp= s->last_picture[s->max_ref_frames-1]; |
||
| 636 | for(i=s->max_ref_frames-1; i>0; i--) |
||
| 637 | s->last_picture[i] = s->last_picture[i-1]; |
||
| 638 | memmove(s->halfpel_plane+1, s->halfpel_plane, (s->max_ref_frames-1)*sizeof(void*)*4*4); |
||
| 639 | if(USE_HALFPEL_PLANE && s->current_picture->data[0]) { |
||
| 640 | if((ret = halfpel_interpol(s, s->halfpel_plane[0], s->current_picture)) < 0) |
||
| 641 | return ret; |
||
| 642 | } |
||
| 643 | s->last_picture[0] = s->current_picture; |
||
| 644 | s->current_picture = tmp; |
||
| 645 | |||
| 646 | if(s->keyframe){ |
||
| 647 | s->ref_frames= 0; |
||
| 648 | }else{ |
||
| 649 | int i; |
||
| 650 | for(i=0; i |
||
| 651 | if(i && s->last_picture[i-1]->key_frame) |
||
| 652 | break; |
||
| 653 | s->ref_frames= i; |
||
| 654 | if(s->ref_frames==0){ |
||
| 655 | av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n"); |
||
| 656 | return -1; |
||
| 657 | } |
||
| 658 | } |
||
| 659 | |||
| 660 | if ((ret = ff_get_buffer(s->avctx, s->current_picture, AV_GET_BUFFER_FLAG_REF)) < 0) |
||
| 661 | return ret; |
||
| 662 | |||
| 663 | s->current_picture->key_frame= s->keyframe; |
||
| 664 | |||
| 665 | return 0; |
||
| 666 | } |
||
| 667 | |||
| 668 | av_cold void ff_snow_common_end(SnowContext *s) |
||
| 669 | { |
||
| 670 | int plane_index, level, orientation, i; |
||
| 671 | |||
| 672 | av_freep(&s->spatial_dwt_buffer); |
||
| 673 | av_freep(&s->temp_dwt_buffer); |
||
| 674 | av_freep(&s->spatial_idwt_buffer); |
||
| 675 | av_freep(&s->temp_idwt_buffer); |
||
| 676 | av_freep(&s->run_buffer); |
||
| 677 | |||
| 678 | s->m.me.temp= NULL; |
||
| 679 | av_freep(&s->m.me.scratchpad); |
||
| 680 | av_freep(&s->m.me.map); |
||
| 681 | av_freep(&s->m.me.score_map); |
||
| 682 | av_freep(&s->m.obmc_scratchpad); |
||
| 683 | |||
| 684 | av_freep(&s->block); |
||
| 685 | av_freep(&s->scratchbuf); |
||
| 686 | av_freep(&s->emu_edge_buffer); |
||
| 687 | |||
| 688 | for(i=0; i |
||
| 689 | av_freep(&s->ref_mvs[i]); |
||
| 690 | av_freep(&s->ref_scores[i]); |
||
| 691 | if(s->last_picture[i]->data[0]) { |
||
| 692 | av_assert0(s->last_picture[i]->data[0] != s->current_picture->data[0]); |
||
| 693 | } |
||
| 694 | av_frame_free(&s->last_picture[i]); |
||
| 695 | } |
||
| 696 | |||
| 697 | for(plane_index=0; plane_index < s->nb_planes; plane_index++){ |
||
| 698 | for(level=s->spatial_decomposition_count-1; level>=0; level--){ |
||
| 699 | for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
||
| 700 | SubBand *b= &s->plane[plane_index].band[level][orientation]; |
||
| 701 | |||
| 702 | av_freep(&b->x_coeff); |
||
| 703 | } |
||
| 704 | } |
||
| 705 | } |
||
| 706 | av_frame_free(&s->mconly_picture); |
||
| 707 | av_frame_free(&s->current_picture); |
||
| 708 | } |