2 * Copyright (c) 2020 Paul B Mahol
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * Cineform HD video encoder
29 #include "libavutil/avassert.h"
30 #include "libavutil/imgutils.h"
31 #include "libavutil/opt.h"
34 #include "bytestream.h"
40 /* Derived from existing tables from decoder */
41 static const unsigned codebook[256][2] = {
42 { 1, 0x00000000 }, { 2, 0x00000002 }, { 3, 0x00000007 }, { 5, 0x00000019 }, { 6, 0x00000030 },
43 { 6, 0x00000036 }, { 7, 0x00000063 }, { 7, 0x0000006B }, { 7, 0x0000006F }, { 8, 0x000000D4 },
44 { 8, 0x000000DC }, { 9, 0x00000189 }, { 9, 0x000001A0 }, { 9, 0x000001AB }, {10, 0x00000310 },
45 {10, 0x00000316 }, {10, 0x00000354 }, {10, 0x00000375 }, {10, 0x00000377 }, {11, 0x00000623 },
46 {11, 0x00000684 }, {11, 0x000006AB }, {11, 0x000006EC }, {12, 0x00000C44 }, {12, 0x00000C5C },
47 {12, 0x00000C5E }, {12, 0x00000D55 }, {12, 0x00000DD1 }, {12, 0x00000DD3 }, {12, 0x00000DDB },
48 {13, 0x0000188B }, {13, 0x000018BB }, {13, 0x00001AA8 }, {13, 0x00001BA0 }, {13, 0x00001BA4 },
49 {13, 0x00001BB5 }, {14, 0x00003115 }, {14, 0x00003175 }, {14, 0x0000317D }, {14, 0x00003553 },
50 {14, 0x00003768 }, {15, 0x00006228 }, {15, 0x000062E8 }, {15, 0x000062F8 }, {15, 0x00006AA4 },
51 {15, 0x00006E85 }, {15, 0x00006E87 }, {15, 0x00006ED3 }, {16, 0x0000C453 }, {16, 0x0000C5D3 },
52 {16, 0x0000C5F3 }, {16, 0x0000DD08 }, {16, 0x0000DD0C }, {16, 0x0000DDA4 }, {17, 0x000188A4 },
53 {17, 0x00018BA5 }, {17, 0x00018BE5 }, {17, 0x0001AA95 }, {17, 0x0001AA97 }, {17, 0x0001BA13 },
54 {17, 0x0001BB4A }, {17, 0x0001BB4B }, {18, 0x00031748 }, {18, 0x000317C8 }, {18, 0x00035528 },
55 {18, 0x0003552C }, {18, 0x00037424 }, {18, 0x00037434 }, {18, 0x00037436 }, {19, 0x00062294 },
56 {19, 0x00062E92 }, {19, 0x00062F92 }, {19, 0x0006AA52 }, {19, 0x0006AA5A }, {19, 0x0006E84A },
57 {19, 0x0006E86A }, {19, 0x0006E86E }, {20, 0x000C452A }, {20, 0x000C5D27 }, {20, 0x000C5F26 },
58 {20, 0x000D54A6 }, {20, 0x000D54B6 }, {20, 0x000DD096 }, {20, 0x000DD0D6 }, {20, 0x000DD0DE },
59 {21, 0x00188A56 }, {21, 0x0018BA4D }, {21, 0x0018BE4E }, {21, 0x0018BE4F }, {21, 0x001AA96E },
60 {21, 0x001BA12E }, {21, 0x001BA12F }, {21, 0x001BA1AF }, {21, 0x001BA1BF }, {22, 0x00317498 },
61 {22, 0x0035529C }, {22, 0x0035529D }, {22, 0x003552DE }, {22, 0x003552DF }, {22, 0x0037435D },
62 {22, 0x0037437D }, {23, 0x0062295D }, {23, 0x0062E933 }, {23, 0x006AA53D }, {23, 0x006AA53E },
63 {23, 0x006AA53F }, {23, 0x006E86B9 }, {23, 0x006E86F8 }, {24, 0x00C452B8 }, {24, 0x00C5D265 },
64 {24, 0x00D54A78 }, {24, 0x00D54A79 }, {24, 0x00DD0D70 }, {24, 0x00DD0D71 }, {24, 0x00DD0DF2 },
65 {24, 0x00DD0DF3 }, {26, 0x03114BA2 }, {25, 0x0188A5B1 }, {25, 0x0188A58B }, {25, 0x0188A595 },
66 {25, 0x0188A5D6 }, {25, 0x0188A5D7 }, {25, 0x0188A5A8 }, {25, 0x0188A5AE }, {25, 0x0188A5AF },
67 {25, 0x0188A5C4 }, {25, 0x0188A5C5 }, {25, 0x0188A587 }, {25, 0x0188A584 }, {25, 0x0188A585 },
68 {25, 0x0188A5C6 }, {25, 0x0188A5C7 }, {25, 0x0188A5CC }, {25, 0x0188A5CD }, {25, 0x0188A581 },
69 {25, 0x0188A582 }, {25, 0x0188A583 }, {25, 0x0188A5CE }, {25, 0x0188A5CF }, {25, 0x0188A5C2 },
70 {25, 0x0188A5C3 }, {25, 0x0188A5C1 }, {25, 0x0188A5B4 }, {25, 0x0188A5B5 }, {25, 0x0188A5E6 },
71 {25, 0x0188A5E7 }, {25, 0x0188A5E4 }, {25, 0x0188A5E5 }, {25, 0x0188A5AB }, {25, 0x0188A5E0 },
72 {25, 0x0188A5E1 }, {25, 0x0188A5E2 }, {25, 0x0188A5E3 }, {25, 0x0188A5B6 }, {25, 0x0188A5B7 },
73 {25, 0x0188A5FD }, {25, 0x0188A57E }, {25, 0x0188A57F }, {25, 0x0188A5EC }, {25, 0x0188A5ED },
74 {25, 0x0188A5FE }, {25, 0x0188A5FF }, {25, 0x0188A57D }, {25, 0x0188A59C }, {25, 0x0188A59D },
75 {25, 0x0188A5E8 }, {25, 0x0188A5E9 }, {25, 0x0188A5EA }, {25, 0x0188A5EB }, {25, 0x0188A5EF },
76 {25, 0x0188A57A }, {25, 0x0188A57B }, {25, 0x0188A578 }, {25, 0x0188A579 }, {25, 0x0188A5BA },
77 {25, 0x0188A5BB }, {25, 0x0188A5B8 }, {25, 0x0188A5B9 }, {25, 0x0188A588 }, {25, 0x0188A589 },
78 {25, 0x018BA4C8 }, {25, 0x018BA4C9 }, {25, 0x0188A5FA }, {25, 0x0188A5FB }, {25, 0x0188A5BC },
79 {25, 0x0188A5BD }, {25, 0x0188A598 }, {25, 0x0188A599 }, {25, 0x0188A5F4 }, {25, 0x0188A5F5 },
80 {25, 0x0188A59B }, {25, 0x0188A5DE }, {25, 0x0188A5DF }, {25, 0x0188A596 }, {25, 0x0188A597 },
81 {25, 0x0188A5F8 }, {25, 0x0188A5F9 }, {25, 0x0188A5F1 }, {25, 0x0188A58E }, {25, 0x0188A58F },
82 {25, 0x0188A5DC }, {25, 0x0188A5DD }, {25, 0x0188A5F2 }, {25, 0x0188A5F3 }, {25, 0x0188A58C },
83 {25, 0x0188A58D }, {25, 0x0188A5A4 }, {25, 0x0188A5F0 }, {25, 0x0188A5A5 }, {25, 0x0188A5A6 },
84 {25, 0x0188A5A7 }, {25, 0x0188A59A }, {25, 0x0188A5A2 }, {25, 0x0188A5A3 }, {25, 0x0188A58A },
85 {25, 0x0188A5B0 }, {25, 0x0188A5A0 }, {25, 0x0188A5A1 }, {25, 0x0188A5DA }, {25, 0x0188A5DB },
86 {25, 0x0188A59E }, {25, 0x0188A59F }, {25, 0x0188A5D8 }, {25, 0x0188A5EE }, {25, 0x0188A5D9 },
87 {25, 0x0188A5F6 }, {25, 0x0188A5F7 }, {25, 0x0188A57C }, {25, 0x0188A5C8 }, {25, 0x0188A5C9 },
88 {25, 0x0188A594 }, {25, 0x0188A5FC }, {25, 0x0188A5CA }, {25, 0x0188A5CB }, {25, 0x0188A5B2 },
89 {25, 0x0188A5AA }, {25, 0x0188A5B3 }, {25, 0x0188A572 }, {25, 0x0188A573 }, {25, 0x0188A5C0 },
90 {25, 0x0188A5BE }, {25, 0x0188A5BF }, {25, 0x0188A592 }, {25, 0x0188A580 }, {25, 0x0188A593 },
91 {25, 0x0188A590 }, {25, 0x0188A591 }, {25, 0x0188A586 }, {25, 0x0188A5A9 }, {25, 0x0188A5D2 },
92 {25, 0x0188A5D3 }, {25, 0x0188A5D4 }, {25, 0x0188A5D5 }, {25, 0x0188A5AC }, {25, 0x0188A5AD },
96 /* Derived by extracting runcodes from existing tables from decoder */
97 static const uint16_t runbook[8][3] = {
98 {1, 0x0000, 1}, {7, 0x0069, 12}, {8, 0x00D1, 20}, {9, 0x018A, 32},
99 {10, 0x0343, 60}, {11, 0x0685, 100}, {13, 0x18BF, 180}, {13, 0x1BA5, 320},
103 * Derived by inspecting various quality encodes
104 * and adding some more from scratch.
106 static const uint16_t quantization_per_subband[2][3][13][9] = {
108 { 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3+
109 { 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3
110 { 16, 16, 8, 4, 4, 2, 7, 7, 10, }, // film2+
111 { 16, 16, 8, 4, 4, 2, 8, 8, 12, }, // film2
112 { 16, 16, 8, 4, 4, 2, 16, 16, 26, }, // film1++
113 { 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1+
114 { 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1
115 { 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high+
116 { 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high
117 { 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium+
118 { 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium
119 { 64, 64, 48, 16, 16, 12, 96, 96, 144, }, // low+
120 { 64, 64, 48, 16, 16, 12, 128, 128, 192, }, // low
123 { 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3+
124 { 16, 16, 8, 4, 4, 2, 6, 6, 12, }, // film3
125 { 16, 16, 8, 4, 4, 2, 7, 7, 14, }, // film2+
126 { 16, 16, 8, 4, 4, 2, 8, 8, 16, }, // film2
127 { 16, 16, 8, 4, 4, 2, 16, 16, 26, }, // film1++
128 { 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1+
129 { 24, 24, 12, 6, 6, 3, 24, 24, 48, }, // film1
130 { 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high+
131 { 48, 48, 32, 12, 12, 8, 32, 32, 64, }, // high
132 { 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium+
133 { 48, 48, 32, 12, 12, 8, 64, 64, 128, }, // medium
134 { 64, 64, 48, 16, 16, 12, 96, 96, 160, }, // low+
135 { 64, 64, 48, 16, 16, 12, 128, 128, 192, }, // low
138 { 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3+
139 { 16, 16, 8, 4, 4, 2, 6, 6, 12, }, // film3
140 { 16, 16, 8, 4, 4, 2, 7, 7, 14, }, // film2+
141 { 16, 16, 8, 4, 4, 2, 8, 8, 16, }, // film2
142 { 16, 16, 8, 4, 4, 2, 16, 16, 26, }, // film1++
143 { 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1+
144 { 24, 24, 12, 6, 6, 3, 24, 24, 48, }, // film1
145 { 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high+
146 { 48, 48, 32, 12, 12, 8, 32, 32, 64, }, // high
147 { 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium+
148 { 48, 48, 32, 12, 12, 8, 64, 64, 128, }, // medium
149 { 64, 64, 48, 16, 16, 12, 96, 96, 160, }, // low+
150 { 64, 64, 48, 16, 16, 12, 128, 128, 192, }, // low
153 { 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3+
154 { 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3
155 { 16, 16, 8, 16, 16, 8, 32, 32, 48, }, // film2+
156 { 16, 16, 8, 16, 16, 8, 32, 32, 48, }, // film2
157 { 16, 16, 8, 20, 20, 10, 80, 80, 128, }, // film1++
158 { 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1+
159 { 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1
160 { 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high+
161 { 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high
162 { 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium+
163 { 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium
164 { 56, 56, 40, 56, 56, 40, 512, 512, 768, }, // low+
165 { 64, 64, 48, 64, 64, 48, 512, 512, 768, }, // low
168 { 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3+
169 { 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film3
170 { 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film2+
171 { 16, 16, 8, 16, 16, 8, 64, 64, 96, }, // film2
172 { 16, 16, 8, 20, 20, 10, 80, 80, 128, }, // film1++
173 { 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1+
174 { 24, 24, 12, 24, 24, 12, 192, 192, 288, }, // film1
175 { 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high+
176 { 32, 32, 24, 32, 32, 24, 256, 256, 384, }, // high
177 { 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium+
178 { 48, 48, 32, 48, 48, 32, 512, 512, 768, }, // medium
179 { 56, 56, 40, 56, 56, 40, 512, 512, 768, }, // low+
180 { 64, 64, 48, 64, 64, 48,1024,1024,1536, }, // low
183 { 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3+
184 { 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film3
185 { 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film2+
186 { 16, 16, 8, 16, 16, 8, 64, 64, 96, }, // film2
187 { 16, 16, 10, 20, 20, 10, 80, 80, 128, }, // film1++
188 { 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1+
189 { 24, 24, 12, 24, 24, 12, 192, 192, 288, }, // film1
190 { 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high+
191 { 32, 32, 24, 32, 32, 24, 256, 256, 384, }, // high
192 { 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium+
193 { 48, 48, 32, 48, 48, 32, 512, 512, 768, }, // medium
194 { 56, 56, 40, 56, 56, 40, 512, 512, 768, }, // low+
195 { 64, 64, 48, 64, 64, 48,1024,1024,1536, }, // low
199 typedef struct Codebook {
204 typedef struct Runbook {
210 typedef struct PlaneEnc {
216 unsigned quantization[SUBBAND_COUNT];
217 int16_t *subband[SUBBAND_COUNT];
220 SubBand band[DWT_LEVELS][4];
223 typedef struct CFHDEncContext {
224 const AVClass *class;
241 static av_cold int cfhd_encode_init(AVCodecContext *avctx)
243 CFHDEncContext *s = avctx->priv_data;
244 const int sign_mask = 256;
245 const int twos_complement = -sign_mask;
246 const int mag_mask = sign_mask - 1;
249 ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
255 if (avctx->width & 15) {
256 av_log(avctx, AV_LOG_ERROR, "Width must be multiple of 16.\n");
257 return AVERROR_INVALIDDATA;
260 s->planes = av_pix_fmt_count_planes(avctx->pix_fmt);
262 for (int i = 0; i < s->planes; i++) {
263 int w8, h8, w4, h4, w2, h2;
264 int width = i ? avctx->width >> s->chroma_h_shift : avctx->width;
265 int height = i ? FFALIGN(avctx->height >> s->chroma_v_shift, 8) :
266 FFALIGN(avctx->height >> s->chroma_v_shift, 8);
267 ptrdiff_t stride = FFALIGN(width / 8, 8) * 8;
269 w8 = FFALIGN(width / 8, 8);
276 s->plane[i].dwt_buf =
277 av_mallocz_array(height * stride, sizeof(*s->plane[i].dwt_buf));
278 s->plane[i].dwt_tmp =
279 av_malloc_array(height * stride, sizeof(*s->plane[i].dwt_tmp));
280 if (!s->plane[i].dwt_buf || !s->plane[i].dwt_tmp)
281 return AVERROR(ENOMEM);
283 s->plane[i].subband[0] = s->plane[i].dwt_buf;
284 s->plane[i].subband[1] = s->plane[i].dwt_buf + 2 * w8 * h8;
285 s->plane[i].subband[2] = s->plane[i].dwt_buf + 1 * w8 * h8;
286 s->plane[i].subband[3] = s->plane[i].dwt_buf + 3 * w8 * h8;
287 s->plane[i].subband[4] = s->plane[i].dwt_buf + 2 * w4 * h4;
288 s->plane[i].subband[5] = s->plane[i].dwt_buf + 1 * w4 * h4;
289 s->plane[i].subband[6] = s->plane[i].dwt_buf + 3 * w4 * h4;
290 s->plane[i].subband[7] = s->plane[i].dwt_buf + 2 * w2 * h2;
291 s->plane[i].subband[8] = s->plane[i].dwt_buf + 1 * w2 * h2;
292 s->plane[i].subband[9] = s->plane[i].dwt_buf + 3 * w2 * h2;
294 for (int j = 0; j < DWT_LEVELS; j++) {
295 for (int k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
296 s->plane[i].band[j][k].width = (width / 8) << j;
297 s->plane[i].band[j][k].height = (height / 8) << j;
298 s->plane[i].band[j][k].a_width = w8 << j;
299 s->plane[i].band[j][k].a_height = h8 << j;
303 /* ll2 and ll1 commented out because they are done in-place */
304 s->plane[i].l_h[0] = s->plane[i].dwt_tmp;
305 s->plane[i].l_h[1] = s->plane[i].dwt_tmp + 2 * w8 * h8;
306 // s->plane[i].l_h[2] = ll2;
307 s->plane[i].l_h[3] = s->plane[i].dwt_tmp;
308 s->plane[i].l_h[4] = s->plane[i].dwt_tmp + 2 * w4 * h4;
309 // s->plane[i].l_h[5] = ll1;
310 s->plane[i].l_h[6] = s->plane[i].dwt_tmp;
311 s->plane[i].l_h[7] = s->plane[i].dwt_tmp + 2 * w2 * h2;
314 for (int i = 0; i < 512; i++) {
315 int value = (i & sign_mask) ? twos_complement + (i & mag_mask): i;
316 int mag = FFMIN(FFABS(value), 255);
319 s->cb[i].bits = (codebook[mag][1] << 1) | (value > 0 ? 0 : 1);
320 s->cb[i].size = codebook[mag][0] + 1;
322 s->cb[i].bits = codebook[mag][1];
323 s->cb[i].size = codebook[mag][0];
327 s->cb[512].bits = 0x3114ba3;
328 s->cb[512].size = 26;
332 for (int i = 1, j = 0; i < 320 && j < 7; j++) {
333 int run = runbook[j][2];
334 int end = runbook[j+1][2];
338 s->rb[i].bits = runbook[j][1];
339 s->rb[i++].size = runbook[j][0];
343 s->rb[320].bits = runbook[7][1];
344 s->rb[320].size = runbook[7][0];
345 s->rb[320].run = 320;
347 for (int i = 0; i < 256; i++) {
348 int idx = i + ((768LL * i * i * i) / (256 * 256 * 256));
352 for (int i = 0; i < 1024; i++) {
362 s->alpha = av_calloc(avctx->width * avctx->height, sizeof(*s->alpha));
364 return AVERROR(ENOMEM);
369 static inline void filter(int16_t *input, ptrdiff_t in_stride,
370 int16_t *low, ptrdiff_t low_stride,
371 int16_t *high, ptrdiff_t high_stride,
374 low[(0>>1) * low_stride] = av_clip_int16(input[0*in_stride] + input[1*in_stride]);
375 high[(0>>1) * high_stride] = av_clip_int16((5 * input[0*in_stride] - 11 * input[1*in_stride] +
376 4 * input[2*in_stride] + 4 * input[3*in_stride] -
377 1 * input[4*in_stride] - 1 * input[5*in_stride] + 4) >> 3);
379 for (int i = 2; i < len - 2; i += 2) {
380 low[(i>>1) * low_stride] = av_clip_int16(input[i*in_stride] + input[(i+1)*in_stride]);
381 high[(i>>1) * high_stride] = av_clip_int16(((-input[(i-2)*in_stride] - input[(i-1)*in_stride] +
382 input[(i+2)*in_stride] + input[(i+3)*in_stride] + 4) >> 3) +
383 input[(i+0)*in_stride] - input[(i+1)*in_stride]);
386 low[((len-2)>>1) * low_stride] = av_clip_int16(input[((len-2)+0)*in_stride] + input[((len-2)+1)*in_stride]);
387 high[((len-2)>>1) * high_stride] = av_clip_int16((11* input[((len-2)+0)*in_stride] - 5 * input[((len-2)+1)*in_stride] -
388 4 * input[((len-2)-1)*in_stride] - 4 * input[((len-2)-2)*in_stride] +
389 1 * input[((len-2)-3)*in_stride] + 1 * input[((len-2)-4)*in_stride] + 4) >> 3);
392 static void horiz_filter(int16_t *input, int16_t *low, int16_t *high,
395 filter(input, 1, low, 1, high, 1, width);
398 static void vert_filter(int16_t *input, ptrdiff_t in_stride,
399 int16_t *low, ptrdiff_t low_stride,
400 int16_t *high, ptrdiff_t high_stride, int len)
402 filter(input, in_stride, low, low_stride, high, high_stride, len);
405 static void quantize_band(int16_t *input, int width, int a_width,
406 int height, unsigned quantization)
408 const int16_t factor = (uint32_t)(1U << 15) / quantization;
410 for (int i = 0; i < height; i++) {
411 for (int j = 0; j < width; j++)
412 input[j] = av_clip_intp2(((input[j] * factor + 16384 * FFSIGN(input[j])) / 32768), 10);
417 static int put_runcode(PutBitContext *pb, int count, const Runbook *const rb)
420 const int index = FFMIN(320, count);
422 put_bits(pb, rb[index].size, rb[index].bits);
423 count -= rb[index].run;
429 static void process_alpha(const int16_t *src, int width, int height, ptrdiff_t stride, int16_t *dst)
431 for (int i = 0; i < height; i++) {
432 for (int j = 0; j < width; j++) {
435 if (alpha > 0 && alpha < 4080) {
442 dst[j] = av_clip_uintp2(alpha, 12);
450 static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
451 const AVFrame *frame, int *got_packet)
453 CFHDEncContext *s = avctx->priv_data;
454 PutByteContext *pby = &s->pby;
455 PutBitContext *pb = &s->pb;
456 const Codebook *const cb = s->cb;
457 const Runbook *const rb = s->rb;
458 const uint16_t *lut = s->lut;
462 for (int plane = 0; plane < s->planes; plane++) {
463 int width = s->plane[plane].band[2][0].width;
464 int a_width = s->plane[plane].band[2][0].a_width;
465 int height = s->plane[plane].band[2][0].height;
466 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
467 int16_t *input = (int16_t *)frame->data[act_plane];
468 int16_t *low = s->plane[plane].l_h[6];
469 int16_t *high = s->plane[plane].l_h[7];
470 ptrdiff_t in_stride = frame->linesize[act_plane] / 2;
471 int low_stride, high_stride;
474 process_alpha(input, avctx->width, avctx->height,
475 in_stride, s->alpha);
477 in_stride = avctx->width;
480 for (int i = 0; i < height * 2; i++) {
481 horiz_filter(input, low, high, width * 2);
487 input = s->plane[plane].l_h[7];
488 low = s->plane[plane].subband[7];
489 low_stride = s->plane[plane].band[2][0].a_width;
490 high = s->plane[plane].subband[9];
491 high_stride = s->plane[plane].band[2][0].a_width;
493 for (int i = 0; i < width; i++) {
494 vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
500 input = s->plane[plane].l_h[6];
501 low = s->plane[plane].l_h[7];
502 high = s->plane[plane].subband[8];
504 for (int i = 0; i < width; i++) {
505 vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
511 a_width = s->plane[plane].band[1][0].a_width;
512 width = s->plane[plane].band[1][0].width;
513 height = s->plane[plane].band[1][0].height;
514 input = s->plane[plane].l_h[7];
515 low = s->plane[plane].l_h[3];
516 low_stride = s->plane[plane].band[1][0].a_width;
517 high = s->plane[plane].l_h[4];
518 high_stride = s->plane[plane].band[1][0].a_width;
520 for (int i = 0; i < height * 2; i++) {
521 for (int j = 0; j < width * 2; j++)
523 input += a_width * 2;
526 input = s->plane[plane].l_h[7];
527 for (int i = 0; i < height * 2; i++) {
528 horiz_filter(input, low, high, width * 2);
529 input += a_width * 2;
534 input = s->plane[plane].l_h[4];
535 low = s->plane[plane].subband[4];
536 high = s->plane[plane].subband[6];
538 for (int i = 0; i < width; i++) {
539 vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
545 input = s->plane[plane].l_h[3];
546 low = s->plane[plane].l_h[4];
547 high = s->plane[plane].subband[5];
549 for (int i = 0; i < width; i++) {
550 vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
556 a_width = s->plane[plane].band[0][0].a_width;
557 width = s->plane[plane].band[0][0].width;
558 height = s->plane[plane].band[0][0].height;
559 input = s->plane[plane].l_h[4];
560 low = s->plane[plane].l_h[0];
561 low_stride = s->plane[plane].band[0][0].a_width;
562 high = s->plane[plane].l_h[1];
563 high_stride = s->plane[plane].band[0][0].a_width;
565 if (avctx->pix_fmt != AV_PIX_FMT_YUV422P10) {
566 for (int i = 0; i < height * 2; i++) {
567 for (int j = 0; j < width * 2; j++)
569 input += a_width * 2;
573 input = s->plane[plane].l_h[4];
574 for (int i = 0; i < height * 2; i++) {
575 horiz_filter(input, low, high, width * 2);
576 input += a_width * 2;
581 low = s->plane[plane].subband[1];
582 high = s->plane[plane].subband[3];
583 input = s->plane[plane].l_h[1];
585 for (int i = 0; i < width; i++) {
586 vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
592 low = s->plane[plane].subband[0];
593 high = s->plane[plane].subband[2];
594 input = s->plane[plane].l_h[0];
596 for (int i = 0; i < width; i++) {
597 vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
604 ret = ff_alloc_packet2(avctx, pkt, 64LL + s->planes * (2LL * avctx->width * avctx->height + 1000LL), 0);
608 bytestream2_init_writer(pby, pkt->data, pkt->size);
610 bytestream2_put_be16(pby, SampleType);
611 bytestream2_put_be16(pby, 9);
613 bytestream2_put_be16(pby, SampleIndexTable);
614 bytestream2_put_be16(pby, s->planes);
616 for (int i = 0; i < s->planes; i++)
617 bytestream2_put_be32(pby, 0);
619 bytestream2_put_be16(pby, TransformType);
620 bytestream2_put_be16(pby, 0);
622 bytestream2_put_be16(pby, NumFrames);
623 bytestream2_put_be16(pby, 1);
625 bytestream2_put_be16(pby, ChannelCount);
626 bytestream2_put_be16(pby, s->planes);
628 bytestream2_put_be16(pby, EncodedFormat);
629 bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 1 : 3 + (s->planes == 4));
631 bytestream2_put_be16(pby, WaveletCount);
632 bytestream2_put_be16(pby, 3);
634 bytestream2_put_be16(pby, SubbandCount);
635 bytestream2_put_be16(pby, SUBBAND_COUNT);
637 bytestream2_put_be16(pby, NumSpatial);
638 bytestream2_put_be16(pby, 2);
640 bytestream2_put_be16(pby, FirstWavelet);
641 bytestream2_put_be16(pby, 3);
643 bytestream2_put_be16(pby, ImageWidth);
644 bytestream2_put_be16(pby, avctx->width);
646 bytestream2_put_be16(pby, ImageHeight);
647 bytestream2_put_be16(pby, avctx->height);
649 bytestream2_put_be16(pby, -FrameNumber);
650 bytestream2_put_be16(pby, avctx->frame_number);
652 bytestream2_put_be16(pby, Precision);
653 bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12);
655 bytestream2_put_be16(pby, PrescaleTable);
656 bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 0x2000 : 0x2800);
658 bytestream2_put_be16(pby, SampleFlags);
659 bytestream2_put_be16(pby, 1);
661 for (int p = 0; p < s->planes; p++) {
662 int width = s->plane[p].band[0][0].width;
663 int a_width = s->plane[p].band[0][0].a_width;
664 int height = s->plane[p].band[0][0].height;
665 int16_t *data = s->plane[p].subband[0];
668 bytestream2_put_be16(pby, SampleType);
669 bytestream2_put_be16(pby, 3);
671 bytestream2_put_be16(pby, ChannelNumber);
672 bytestream2_put_be16(pby, p);
675 bytestream2_put_be16(pby, BitstreamMarker);
676 bytestream2_put_be16(pby, 0x1a4a);
678 pos = bytestream2_tell_p(pby);
680 bytestream2_put_be16(pby, LowpassSubband);
681 bytestream2_put_be16(pby, 0);
683 bytestream2_put_be16(pby, NumLevels);
684 bytestream2_put_be16(pby, 3);
686 bytestream2_put_be16(pby, LowpassWidth);
687 bytestream2_put_be16(pby, width);
689 bytestream2_put_be16(pby, LowpassHeight);
690 bytestream2_put_be16(pby, height);
692 bytestream2_put_be16(pby, PixelOffset);
693 bytestream2_put_be16(pby, 0);
695 bytestream2_put_be16(pby, LowpassQuantization);
696 bytestream2_put_be16(pby, 1);
698 bytestream2_put_be16(pby, LowpassPrecision);
699 bytestream2_put_be16(pby, 16);
701 bytestream2_put_be16(pby, BitstreamMarker);
702 bytestream2_put_be16(pby, 0x0f0f);
704 for (int i = 0; i < height; i++) {
705 for (int j = 0; j < width; j++)
706 bytestream2_put_be16(pby, data[j]);
710 bytestream2_put_be16(pby, BitstreamMarker);
711 bytestream2_put_be16(pby, 0x1b4b);
713 for (int l = 0; l < 3; l++) {
714 for (int i = 0; i < 3; i++) {
715 s->plane[p].quantization[1 + l * 3 + i] = quantization_per_subband[avctx->pix_fmt != AV_PIX_FMT_YUV422P10][p >= 3 ? 0 : p][s->quality][l * 3 + i];
719 for (int l = 0; l < 3; l++) {
720 int a_width = s->plane[p].band[l][0].a_width;
721 int width = s->plane[p].band[l][0].width;
722 int stride = FFALIGN(width, 8);
723 int height = s->plane[p].band[l][0].height;
725 bytestream2_put_be16(pby, BitstreamMarker);
726 bytestream2_put_be16(pby, 0x0d0d);
728 bytestream2_put_be16(pby, WaveletType);
729 bytestream2_put_be16(pby, 3 + 2 * (l == 2));
731 bytestream2_put_be16(pby, WaveletNumber);
732 bytestream2_put_be16(pby, 3 - l);
734 bytestream2_put_be16(pby, WaveletLevel);
735 bytestream2_put_be16(pby, 3 - l);
737 bytestream2_put_be16(pby, NumBands);
738 bytestream2_put_be16(pby, 4);
740 bytestream2_put_be16(pby, HighpassWidth);
741 bytestream2_put_be16(pby, width);
743 bytestream2_put_be16(pby, HighpassHeight);
744 bytestream2_put_be16(pby, height);
746 bytestream2_put_be16(pby, LowpassBorder);
747 bytestream2_put_be16(pby, 0);
749 bytestream2_put_be16(pby, HighpassBorder);
750 bytestream2_put_be16(pby, 0);
752 bytestream2_put_be16(pby, LowpassScale);
753 bytestream2_put_be16(pby, 1);
755 bytestream2_put_be16(pby, LowpassDivisor);
756 bytestream2_put_be16(pby, 1);
758 for (int i = 0; i < 3; i++) {
759 int16_t *data = s->plane[p].subband[1 + l * 3 + i];
760 int count = 0, padd = 0;
762 bytestream2_put_be16(pby, BitstreamMarker);
763 bytestream2_put_be16(pby, 0x0e0e);
765 bytestream2_put_be16(pby, SubbandNumber);
766 bytestream2_put_be16(pby, i + 1);
768 bytestream2_put_be16(pby, BandCodingFlags);
769 bytestream2_put_be16(pby, 1);
771 bytestream2_put_be16(pby, BandWidth);
772 bytestream2_put_be16(pby, width);
774 bytestream2_put_be16(pby, BandHeight);
775 bytestream2_put_be16(pby, height);
777 bytestream2_put_be16(pby, SubbandBand);
778 bytestream2_put_be16(pby, 1 + l * 3 + i);
780 bytestream2_put_be16(pby, BandEncoding);
781 bytestream2_put_be16(pby, 3);
783 bytestream2_put_be16(pby, Quantization);
784 bytestream2_put_be16(pby, s->plane[p].quantization[1 + l * 3 + i]);
786 bytestream2_put_be16(pby, BandScale);
787 bytestream2_put_be16(pby, 1);
789 bytestream2_put_be16(pby, BandHeader);
790 bytestream2_put_be16(pby, 0);
792 quantize_band(data, width, a_width, height,
793 s->plane[p].quantization[1 + l * 3 + i]);
795 init_put_bits(pb, pkt->data + bytestream2_tell_p(pby), bytestream2_get_bytes_left_p(pby));
797 for (int m = 0; m < height; m++) {
798 for (int j = 0; j < stride; j++) {
799 int16_t index = FFSIGN(data[j]) * lut[FFABS(data[j])];
806 } else if (count > 0) {
807 count = put_runcode(pb, count, rb);
810 put_bits(pb, cb[index].size, cb[index].bits);
817 count = put_runcode(pb, count, rb);
820 put_bits(pb, cb[512].size, cb[512].bits);
823 bytestream2_skip_p(pby, put_bits_count(pb) >> 3);
824 padd = (4 - (bytestream2_tell_p(pby) & 3)) & 3;
826 bytestream2_put_byte(pby, 0);
828 bytestream2_put_be16(pby, BandTrailer);
829 bytestream2_put_be16(pby, 0);
832 bytestream2_put_be16(pby, BitstreamMarker);
833 bytestream2_put_be16(pby, 0x0c0c);
836 s->plane[p].size = bytestream2_tell_p(pby) - pos;
839 bytestream2_put_be16(pby, GroupTrailer);
840 bytestream2_put_be16(pby, 0);
842 av_shrink_packet(pkt, bytestream2_tell_p(pby));
844 pkt->flags |= AV_PKT_FLAG_KEY;
846 bytestream2_seek_p(pby, 8, SEEK_SET);
847 for (int i = 0; i < s->planes; i++)
848 bytestream2_put_be32(pby, s->plane[i].size);
855 static av_cold int cfhd_encode_close(AVCodecContext *avctx)
857 CFHDEncContext *s = avctx->priv_data;
859 for (int i = 0; i < s->planes; i++) {
860 av_freep(&s->plane[i].dwt_buf);
861 av_freep(&s->plane[i].dwt_tmp);
863 for (int j = 0; j < SUBBAND_COUNT; j++)
864 s->plane[i].subband[j] = NULL;
866 for (int j = 0; j < 8; j++)
867 s->plane[i].l_h[j] = NULL;
875 #define OFFSET(x) offsetof(CFHDEncContext, x)
876 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
877 static const AVOption options[] = {
878 { "quality", "set quality", OFFSET(quality), AV_OPT_TYPE_INT, {.i64= 0}, 0, 12, VE, "q" },
879 { "film3+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 0}, 0, 0, VE, "q" },
880 { "film3", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 1}, 0, 0, VE, "q" },
881 { "film2+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 2}, 0, 0, VE, "q" },
882 { "film2", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 3}, 0, 0, VE, "q" },
883 { "film1.5", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 4}, 0, 0, VE, "q" },
884 { "film1+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 5}, 0, 0, VE, "q" },
885 { "film1", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 6}, 0, 0, VE, "q" },
886 { "high+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 7}, 0, 0, VE, "q" },
887 { "high", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 8}, 0, 0, VE, "q" },
888 { "medium+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 9}, 0, 0, VE, "q" },
889 { "medium", NULL, 0, AV_OPT_TYPE_CONST, {.i64=10}, 0, 0, VE, "q" },
890 { "low+", NULL, 0, AV_OPT_TYPE_CONST, {.i64=11}, 0, 0, VE, "q" },
891 { "low", NULL, 0, AV_OPT_TYPE_CONST, {.i64=12}, 0, 0, VE, "q" },
895 static const AVClass cfhd_class = {
896 .class_name = "cfhd",
897 .item_name = av_default_item_name,
899 .version = LIBAVUTIL_VERSION_INT,
902 AVCodec ff_cfhd_encoder = {
904 .long_name = NULL_IF_CONFIG_SMALL("Cineform HD"),
905 .type = AVMEDIA_TYPE_VIDEO,
906 .id = AV_CODEC_ID_CFHD,
907 .priv_data_size = sizeof(CFHDEncContext),
908 .priv_class = &cfhd_class,
909 .init = cfhd_encode_init,
910 .close = cfhd_encode_close,
911 .encode2 = cfhd_encode_frame,
912 .capabilities = AV_CODEC_CAP_FRAME_THREADS,
913 .pix_fmts = (const enum AVPixelFormat[]) {
914 AV_PIX_FMT_YUV422P10,