/* * Copyright (c) 2020 Paul B Mahol * * 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 * Cineform HD video encoder */ #include #include #include "libavutil/avassert.h" #include "libavutil/imgutils.h" #include "libavutil/opt.h" #include "avcodec.h" #include "bytestream.h" #include "cfhd.h" #include "put_bits.h" #include "internal.h" #include "thread.h" /* Derived from existing tables from decoder */ static const unsigned codebook[256][2] = { { 1, 0x00000000 }, { 2, 0x00000002 }, { 3, 0x00000007 }, { 5, 0x00000019 }, { 6, 0x00000030 }, { 6, 0x00000036 }, { 7, 0x00000063 }, { 7, 0x0000006B }, { 7, 0x0000006F }, { 8, 0x000000D4 }, { 8, 0x000000DC }, { 9, 0x00000189 }, { 9, 0x000001A0 }, { 9, 0x000001AB }, {10, 0x00000310 }, {10, 0x00000316 }, {10, 0x00000354 }, {10, 0x00000375 }, {10, 0x00000377 }, {11, 0x00000623 }, {11, 0x00000684 }, {11, 0x000006AB }, {11, 0x000006EC }, {12, 0x00000C44 }, {12, 0x00000C5C }, {12, 0x00000C5E }, {12, 0x00000D55 }, {12, 0x00000DD1 }, {12, 0x00000DD3 }, {12, 0x00000DDB }, {13, 0x0000188B }, {13, 0x000018BB }, {13, 0x00001AA8 }, {13, 0x00001BA0 }, {13, 0x00001BA4 }, {13, 0x00001BB5 }, {14, 0x00003115 }, {14, 0x00003175 }, {14, 0x0000317D }, {14, 0x00003553 }, {14, 0x00003768 }, {15, 0x00006228 }, {15, 0x000062E8 }, {15, 0x000062F8 }, {15, 0x00006AA4 }, {15, 0x00006E85 }, {15, 0x00006E87 }, {15, 0x00006ED3 }, {16, 0x0000C453 }, {16, 0x0000C5D3 }, {16, 0x0000C5F3 }, {16, 0x0000DD08 }, {16, 0x0000DD0C }, {16, 0x0000DDA4 }, {17, 0x000188A4 }, {17, 0x00018BA5 }, {17, 0x00018BE5 }, {17, 0x0001AA95 }, {17, 0x0001AA97 }, {17, 0x0001BA13 }, {17, 0x0001BB4A }, {17, 0x0001BB4B }, {18, 0x00031748 }, {18, 0x000317C8 }, {18, 0x00035528 }, {18, 0x0003552C }, {18, 0x00037424 }, {18, 0x00037434 }, {18, 0x00037436 }, {19, 0x00062294 }, {19, 0x00062E92 }, {19, 0x00062F92 }, {19, 0x0006AA52 }, {19, 0x0006AA5A }, {19, 0x0006E84A }, {19, 0x0006E86A }, {19, 0x0006E86E }, {20, 0x000C452A }, {20, 0x000C5D27 }, {20, 0x000C5F26 }, {20, 0x000D54A6 }, {20, 0x000D54B6 }, {20, 0x000DD096 }, {20, 0x000DD0D6 }, {20, 0x000DD0DE }, {21, 0x00188A56 }, {21, 0x0018BA4D }, {21, 0x0018BE4E }, {21, 0x0018BE4F }, {21, 0x001AA96E }, {21, 0x001BA12E }, {21, 0x001BA12F }, {21, 0x001BA1AF }, {21, 0x001BA1BF }, {22, 0x00317498 }, {22, 0x0035529C }, {22, 0x0035529D }, {22, 0x003552DE }, {22, 0x003552DF }, {22, 0x0037435D }, {22, 0x0037437D }, {23, 0x0062295D }, {23, 0x0062E933 }, {23, 0x006AA53D }, {23, 0x006AA53E }, {23, 0x006AA53F }, {23, 0x006E86B9 }, {23, 0x006E86F8 }, {24, 0x00C452B8 }, {24, 0x00C5D265 }, {24, 0x00D54A78 }, {24, 0x00D54A79 }, {24, 0x00DD0D70 }, {24, 0x00DD0D71 }, {24, 0x00DD0DF2 }, {24, 0x00DD0DF3 }, {26, 0x03114BA2 }, {25, 0x0188A5B1 }, {25, 0x0188A58B }, {25, 0x0188A595 }, {25, 0x0188A5D6 }, {25, 0x0188A5D7 }, {25, 0x0188A5A8 }, {25, 0x0188A5AE }, {25, 0x0188A5AF }, {25, 0x0188A5C4 }, {25, 0x0188A5C5 }, {25, 0x0188A587 }, {25, 0x0188A584 }, {25, 0x0188A585 }, {25, 0x0188A5C6 }, {25, 0x0188A5C7 }, {25, 0x0188A5CC }, {25, 0x0188A5CD }, {25, 0x0188A581 }, {25, 0x0188A582 }, {25, 0x0188A583 }, {25, 0x0188A5CE }, {25, 0x0188A5CF }, {25, 0x0188A5C2 }, {25, 0x0188A5C3 }, {25, 0x0188A5C1 }, {25, 0x0188A5B4 }, {25, 0x0188A5B5 }, {25, 0x0188A5E6 }, {25, 0x0188A5E7 }, {25, 0x0188A5E4 }, {25, 0x0188A5E5 }, {25, 0x0188A5AB }, {25, 0x0188A5E0 }, {25, 0x0188A5E1 }, {25, 0x0188A5E2 }, {25, 0x0188A5E3 }, {25, 0x0188A5B6 }, {25, 0x0188A5B7 }, {25, 0x0188A5FD }, {25, 0x0188A57E }, {25, 0x0188A57F }, {25, 0x0188A5EC }, {25, 0x0188A5ED }, {25, 0x0188A5FE }, {25, 0x0188A5FF }, {25, 0x0188A57D }, {25, 0x0188A59C }, {25, 0x0188A59D }, {25, 0x0188A5E8 }, {25, 0x0188A5E9 }, {25, 0x0188A5EA }, {25, 0x0188A5EB }, {25, 0x0188A5EF }, {25, 0x0188A57A }, {25, 0x0188A57B }, {25, 0x0188A578 }, {25, 0x0188A579 }, {25, 0x0188A5BA }, {25, 0x0188A5BB }, {25, 0x0188A5B8 }, {25, 0x0188A5B9 }, {25, 0x0188A588 }, {25, 0x0188A589 }, {25, 0x018BA4C8 }, {25, 0x018BA4C9 }, {25, 0x0188A5FA }, {25, 0x0188A5FB }, {25, 0x0188A5BC }, {25, 0x0188A5BD }, {25, 0x0188A598 }, {25, 0x0188A599 }, {25, 0x0188A5F4 }, {25, 0x0188A5F5 }, {25, 0x0188A59B }, {25, 0x0188A5DE }, {25, 0x0188A5DF }, {25, 0x0188A596 }, {25, 0x0188A597 }, {25, 0x0188A5F8 }, {25, 0x0188A5F9 }, {25, 0x0188A5F1 }, {25, 0x0188A58E }, {25, 0x0188A58F }, {25, 0x0188A5DC }, {25, 0x0188A5DD }, {25, 0x0188A5F2 }, {25, 0x0188A5F3 }, {25, 0x0188A58C }, {25, 0x0188A58D }, {25, 0x0188A5A4 }, {25, 0x0188A5F0 }, {25, 0x0188A5A5 }, {25, 0x0188A5A6 }, {25, 0x0188A5A7 }, {25, 0x0188A59A }, {25, 0x0188A5A2 }, {25, 0x0188A5A3 }, {25, 0x0188A58A }, {25, 0x0188A5B0 }, {25, 0x0188A5A0 }, {25, 0x0188A5A1 }, {25, 0x0188A5DA }, {25, 0x0188A5DB }, {25, 0x0188A59E }, {25, 0x0188A59F }, {25, 0x0188A5D8 }, {25, 0x0188A5EE }, {25, 0x0188A5D9 }, {25, 0x0188A5F6 }, {25, 0x0188A5F7 }, {25, 0x0188A57C }, {25, 0x0188A5C8 }, {25, 0x0188A5C9 }, {25, 0x0188A594 }, {25, 0x0188A5FC }, {25, 0x0188A5CA }, {25, 0x0188A5CB }, {25, 0x0188A5B2 }, {25, 0x0188A5AA }, {25, 0x0188A5B3 }, {25, 0x0188A572 }, {25, 0x0188A573 }, {25, 0x0188A5C0 }, {25, 0x0188A5BE }, {25, 0x0188A5BF }, {25, 0x0188A592 }, {25, 0x0188A580 }, {25, 0x0188A593 }, {25, 0x0188A590 }, {25, 0x0188A591 }, {25, 0x0188A586 }, {25, 0x0188A5A9 }, {25, 0x0188A5D2 }, {25, 0x0188A5D3 }, {25, 0x0188A5D4 }, {25, 0x0188A5D5 }, {25, 0x0188A5AC }, {25, 0x0188A5AD }, {25, 0x0188A5D0 }, }; /* Derived by extracting runcodes from existing tables from decoder */ static const uint16_t runbook[8][3] = { {1, 0x0000, 1}, {7, 0x0069, 12}, {8, 0x00D1, 20}, {9, 0x018A, 32}, {10, 0x0343, 60}, {11, 0x0685, 100}, {13, 0x18BF, 180}, {13, 0x1BA5, 320}, }; /* * Derived by inspecting various quality encodes * and adding some more from scratch. */ static const uint16_t quantization_per_subband[2][3][13][9] = { {{ { 16, 16, 8, 4, 4, 2, 3, 3, 4, }, // film3+ { 16, 16, 8, 4, 4, 2, 3, 3, 4, }, // film3 { 16, 16, 8, 4, 4, 2, 4, 4, 6, }, // film2+ { 16, 16, 8, 4, 4, 2, 4, 4, 6, }, // film2 { 16, 16, 8, 4, 4, 2, 8, 8, 12, }, // film1++ { 24, 24, 12, 6, 6, 3, 12, 12, 18, }, // film1+ { 24, 24, 12, 6, 6, 3, 12, 12, 18, }, // film1 { 32, 32, 24, 8, 8, 6, 16, 16, 24, }, // high+ { 32, 32, 24, 8, 8, 6, 16, 16, 24, }, // high { 48, 48, 32, 12, 12, 8, 32, 32, 48, }, // medium+ { 48, 48, 32, 12, 12, 8, 32, 32, 48, }, // medium { 64, 64, 48, 16, 16, 12, 48, 48, 64, }, // low+ { 64, 64, 48, 16, 16, 12, 64, 64, 96, }, // low }, { { 16, 16, 8, 4, 4, 2, 3, 3, 4, }, { 16, 16, 8, 4, 4, 2, 3, 3, 6, }, { 16, 16, 8, 4, 4, 2, 4, 4, 6, }, { 16, 16, 8, 4, 4, 2, 4, 4, 8, }, { 16, 16, 8, 4, 4, 2, 8, 8, 16, }, { 24, 24, 12, 6, 6, 3, 12, 12, 18, }, { 24, 24, 12, 6, 6, 3, 12, 12, 24, }, { 32, 32, 24, 8, 8, 6, 16, 16, 24, }, { 48, 48, 32, 12, 12, 8, 16, 16, 32, }, { 48, 48, 32, 12, 12, 8, 32, 32, 48, }, { 48, 48, 32, 12, 12, 8, 32, 32, 64, }, { 64, 64, 48, 16, 16, 12, 48, 48, 64, }, { 64, 64, 48, 16, 16, 12, 64, 64, 96, }, }, { { 16, 16, 8, 4, 4, 2, 3, 3, 4, }, { 16, 16, 8, 4, 4, 2, 3, 3, 6, }, { 16, 16, 8, 4, 4, 2, 4, 4, 6, }, { 16, 16, 8, 4, 4, 2, 4, 4, 8, }, { 16, 16, 8, 4, 4, 2, 8, 8, 16, }, { 24, 24, 12, 6, 6, 3, 12, 12, 18, }, { 24, 24, 12, 6, 6, 3, 12, 12, 24, }, { 32, 32, 24, 8, 8, 6, 16, 16, 24, }, { 48, 48, 32, 12, 12, 8, 16, 16, 32, }, { 48, 48, 32, 12, 12, 8, 32, 32, 48, }, { 48, 48, 32, 12, 12, 8, 32, 32, 64, }, { 64, 64, 48, 16, 16, 12, 48, 48, 64, }, { 64, 64, 48, 16, 16, 12, 64, 64, 96, }, }}, {{ { 16, 16, 8, 16, 16, 8, 24, 24, 36, }, { 16, 16, 8, 16, 16, 8, 32, 32, 48, }, { 16, 16, 8, 16, 16, 8, 48, 48, 72, }, { 16, 16, 8, 16, 16, 8, 64, 64, 96, }, { 16, 16, 8, 20, 20, 10, 80, 80, 128, }, { 24, 24, 12, 24, 24, 12, 96, 96, 144, }, { 24, 24, 12, 24, 24, 12, 128, 128, 192, }, { 32, 32, 24, 32, 32, 24, 192, 192, 288, }, { 32, 32, 24, 32, 32, 24, 256, 256, 384, }, { 48, 48, 32, 48, 48, 32, 256, 256, 384, }, { 48, 48, 32, 48, 48, 32, 512, 512, 768, }, { 56, 56, 40, 56, 56, 40, 512, 512, 768, }, { 64, 64, 48, 64, 64, 48, 512, 512, 768, }, }, { { 16, 16, 8, 16, 16, 8, 24, 24, 36, }, { 16, 16, 8, 16, 16, 8, 32, 32, 48, }, { 16, 16, 8, 16, 16, 8, 48, 48, 72, }, { 16, 16, 8, 16, 16, 8, 64, 64, 96, }, { 16, 16, 8, 20, 20, 10, 80, 80, 128, }, { 24, 24, 12, 24, 24, 12, 96, 96, 144, }, { 24, 24, 12, 24, 24, 12, 128, 128, 192, }, { 32, 32, 24, 32, 32, 24, 192, 192, 288, }, { 32, 32, 24, 32, 32, 24, 256, 256, 384, }, { 48, 48, 32, 48, 48, 32, 256, 256, 384, }, { 48, 48, 32, 48, 48, 32, 512, 512, 768, }, { 56, 56, 40, 56, 56, 40, 512, 512, 768, }, { 64, 64, 48, 64, 64, 48, 512, 512, 768, }, }, { { 16, 16, 8, 16, 16, 8, 24, 24, 36, }, { 16, 16, 8, 16, 16, 8, 32, 32, 48, }, { 16, 16, 8, 16, 16, 8, 48, 48, 72, }, { 16, 16, 8, 16, 16, 8, 64, 64, 96, }, { 16, 16, 10, 20, 20, 10, 80, 80, 128, }, { 24, 24, 12, 24, 24, 12, 96, 96, 144, }, { 24, 24, 12, 24, 24, 12, 128, 128, 192, }, { 32, 32, 24, 32, 32, 24, 192, 192, 288, }, { 32, 32, 24, 32, 32, 24, 256, 256, 384, }, { 48, 48, 32, 48, 48, 32, 256, 256, 384, }, { 48, 48, 32, 48, 48, 32, 512, 512, 768, }, { 56, 56, 40, 56, 56, 40, 512, 512, 768, }, { 64, 64, 48, 64, 64, 48, 512, 512, 768, }, }}, }; typedef struct Codebook { unsigned bits; unsigned size; } Codebook; typedef struct Runbook { unsigned size; unsigned bits; unsigned run; } Runbook; typedef struct PlaneEnc { unsigned size; int16_t *dwt_buf; int16_t *dwt_tmp; unsigned quantization[SUBBAND_COUNT]; int16_t *subband[SUBBAND_COUNT]; int16_t *l_h[8]; SubBand band[DWT_LEVELS][4]; } PlaneEnc; typedef struct CFHDEncContext { const AVClass *class; PutBitContext pb; PutByteContext pby; int quality; int planes; int chroma_h_shift; int chroma_v_shift; PlaneEnc plane[4]; uint16_t lut[1024]; Runbook rb[321]; Codebook cb[513]; } CFHDEncContext; static av_cold int cfhd_encode_init(AVCodecContext *avctx) { CFHDEncContext *s = avctx->priv_data; const int sign_mask = 256; const int twos_complement = -sign_mask; const int mag_mask = sign_mask - 1; int ret, last = 0; ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift); if (ret < 0) return ret; if (avctx->width & 15) { av_log(avctx, AV_LOG_ERROR, "Width must be multiple of 16.\n"); return AVERROR_INVALIDDATA; } s->planes = av_pix_fmt_count_planes(avctx->pix_fmt); for (int i = 0; i < s->planes; i++) { int w8, h8, w4, h4, w2, h2; int width = i ? avctx->width >> s->chroma_h_shift : avctx->width; int height = i ? FFALIGN(avctx->height >> s->chroma_v_shift, 8) : FFALIGN(avctx->height >> s->chroma_v_shift, 8); ptrdiff_t stride = FFALIGN(width / 8, 8) * 8; w8 = FFALIGN(width / 8, 8); h8 = height / 8; w4 = w8 * 2; h4 = h8 * 2; w2 = w4 * 2; h2 = h4 * 2; s->plane[i].dwt_buf = av_mallocz_array(height * stride, sizeof(*s->plane[i].dwt_buf)); s->plane[i].dwt_tmp = av_malloc_array(height * stride, sizeof(*s->plane[i].dwt_tmp)); if (!s->plane[i].dwt_buf || !s->plane[i].dwt_tmp) return AVERROR(ENOMEM); s->plane[i].subband[0] = s->plane[i].dwt_buf; s->plane[i].subband[1] = s->plane[i].dwt_buf + 2 * w8 * h8; s->plane[i].subband[2] = s->plane[i].dwt_buf + 1 * w8 * h8; s->plane[i].subband[3] = s->plane[i].dwt_buf + 3 * w8 * h8; s->plane[i].subband[4] = s->plane[i].dwt_buf + 2 * w4 * h4; s->plane[i].subband[5] = s->plane[i].dwt_buf + 1 * w4 * h4; s->plane[i].subband[6] = s->plane[i].dwt_buf + 3 * w4 * h4; s->plane[i].subband[7] = s->plane[i].dwt_buf + 2 * w2 * h2; s->plane[i].subband[8] = s->plane[i].dwt_buf + 1 * w2 * h2; s->plane[i].subband[9] = s->plane[i].dwt_buf + 3 * w2 * h2; for (int j = 0; j < DWT_LEVELS; j++) { for (int k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) { s->plane[i].band[j][k].width = (width / 8) << j; s->plane[i].band[j][k].height = (height / 8) << j; s->plane[i].band[j][k].a_width = w8 << j; s->plane[i].band[j][k].a_height = h8 << j; } } /* ll2 and ll1 commented out because they are done in-place */ s->plane[i].l_h[0] = s->plane[i].dwt_tmp; s->plane[i].l_h[1] = s->plane[i].dwt_tmp + 2 * w8 * h8; // s->plane[i].l_h[2] = ll2; s->plane[i].l_h[3] = s->plane[i].dwt_tmp; s->plane[i].l_h[4] = s->plane[i].dwt_tmp + 2 * w4 * h4; // s->plane[i].l_h[5] = ll1; s->plane[i].l_h[6] = s->plane[i].dwt_tmp; s->plane[i].l_h[7] = s->plane[i].dwt_tmp + 2 * w2 * h2; } for (int i = 0; i < 512; i++) { int value = (i & sign_mask) ? twos_complement + (i & mag_mask): i; int mag = FFMIN(FFABS(value), 255); if (mag) { s->cb[i].bits = (codebook[mag][1] << 1) | (value > 0 ? 0 : 1); s->cb[i].size = codebook[mag][0] + 1; } else { s->cb[i].bits = codebook[mag][1]; s->cb[i].size = codebook[mag][0]; } } s->cb[512].bits = 0x3114ba3; s->cb[512].size = 26; s->rb[0].run = 0; for (int i = 1, j = 0; i < 320 && j < 7; j++) { int run = runbook[j][2]; int end = runbook[j+1][2]; while (i < end) { s->rb[i].run = run; s->rb[i].bits = runbook[j][1]; s->rb[i++].size = runbook[j][0]; } } s->rb[320].bits = runbook[7][1]; s->rb[320].size = runbook[7][0]; s->rb[320].run = 320; for (int i = 0; i < 256; i++) { int idx = i + ((768LL * i * i * i) / (256 * 256 * 256)); s->lut[idx] = i; } for (int i = 0; i < 1024; i++) { if (s->lut[i]) last = s->lut[i]; else s->lut[i] = last; } return 0; } static inline void filter(int16_t *input, ptrdiff_t in_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len) { low[(0>>1) * low_stride] = av_clip_int16(input[0*in_stride] + input[1*in_stride]); high[(0>>1) * high_stride] = av_clip_int16((5 * input[0*in_stride] - 11 * input[1*in_stride] + 4 * input[2*in_stride] + 4 * input[3*in_stride] - 1 * input[4*in_stride] - 1 * input[5*in_stride] + 4) >> 3); for (int i = 2; i < len - 2; i += 2) { low[(i>>1) * low_stride] = av_clip_int16(input[i*in_stride] + input[(i+1)*in_stride]); high[(i>>1) * high_stride] = av_clip_int16(((-input[(i-2)*in_stride] - input[(i-1)*in_stride] + input[(i+2)*in_stride] + input[(i+3)*in_stride] + 4) >> 3) + input[(i+0)*in_stride] - input[(i+1)*in_stride]); } low[((len-2)>>1) * low_stride] = av_clip_int16(input[((len-2)+0)*in_stride] + input[((len-2)+1)*in_stride]); high[((len-2)>>1) * high_stride] = av_clip_int16((11* input[((len-2)+0)*in_stride] - 5 * input[((len-2)+1)*in_stride] - 4 * input[((len-2)-1)*in_stride] - 4 * input[((len-2)-2)*in_stride] + 1 * input[((len-2)-3)*in_stride] + 1 * input[((len-2)-4)*in_stride] + 4) >> 3); } static void horiz_filter(int16_t *input, int16_t *low, int16_t *high, int width) { filter(input, 1, low, 1, high, 1, width); } static void vert_filter(int16_t *input, ptrdiff_t in_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len) { filter(input, in_stride, low, low_stride, high, high_stride, len); } static void quantize_band(int16_t *input, int width, int a_width, int height, unsigned quantization) { const int factor = (1 << 16) / quantization; for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++) input[j] = av_clip_intp2((input[j] * factor) / 65536, 10); input += a_width; } } static int put_runcode(PutBitContext *pb, int count, const Runbook *const rb) { while (count > 0) { const int index = FFMIN(320, count); put_bits(pb, rb[index].size, rb[index].bits); count -= rb[index].run; } return 0; } static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { CFHDEncContext *s = avctx->priv_data; PutByteContext *pby = &s->pby; PutBitContext *pb = &s->pb; const Codebook *const cb = s->cb; const Runbook *const rb = s->rb; const uint16_t *lut = s->lut; unsigned pos; int ret = 0; for (int plane = 0; plane < s->planes && !ret; plane++) { int width = s->plane[plane].band[2][0].width; int a_width = s->plane[plane].band[2][0].a_width; int height = s->plane[plane].band[2][0].height; int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane; int16_t *input = (int16_t *)frame->data[act_plane]; int16_t *low = s->plane[plane].l_h[6]; int16_t *high = s->plane[plane].l_h[7]; const ptrdiff_t in_stride = frame->linesize[act_plane] / 2; int low_stride, high_stride; for (int i = 0; i < height * 2; i++) { horiz_filter(input, low, high, width * 2); input += in_stride; low += a_width; high += a_width; } input = s->plane[plane].l_h[7]; low = s->plane[plane].subband[7]; low_stride = s->plane[plane].band[2][0].a_width; high = s->plane[plane].subband[9]; high_stride = s->plane[plane].band[2][0].a_width; for (int i = 0; i < width; i++) { vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2); input++; low++; high++; } input = s->plane[plane].l_h[6]; low = s->plane[plane].l_h[7]; high = s->plane[plane].subband[8]; for (int i = 0; i < width; i++) { vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2); input++; low++; high++; } a_width = s->plane[plane].band[1][0].a_width; width = s->plane[plane].band[1][0].width; height = s->plane[plane].band[1][0].height; input = s->plane[plane].l_h[7]; low = s->plane[plane].l_h[3]; low_stride = s->plane[plane].band[1][0].a_width; high = s->plane[plane].l_h[4]; high_stride = s->plane[plane].band[1][0].a_width; for (int i = 0; i < height * 2; i++) { for (int j = 0; j < width * 2; j++) input[j] /= 4; input += a_width * 2; } input = s->plane[plane].l_h[7]; for (int i = 0; i < height * 2; i++) { horiz_filter(input, low, high, width * 2); input += a_width * 2; low += low_stride; high += high_stride; } input = s->plane[plane].l_h[4]; low = s->plane[plane].subband[4]; high = s->plane[plane].subband[6]; for (int i = 0; i < width; i++) { vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2); input++; low++; high++; } input = s->plane[plane].l_h[3]; low = s->plane[plane].l_h[4]; high = s->plane[plane].subband[5]; for (int i = 0; i < width; i++) { vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2); input++; low++; high++; } a_width = s->plane[plane].band[0][0].a_width; width = s->plane[plane].band[0][0].width; height = s->plane[plane].band[0][0].height; input = s->plane[plane].l_h[4]; low = s->plane[plane].l_h[0]; low_stride = s->plane[plane].band[0][0].a_width; high = s->plane[plane].l_h[1]; high_stride = s->plane[plane].band[0][0].a_width; if (avctx->pix_fmt != AV_PIX_FMT_YUV422P10) { for (int i = 0; i < height * 2; i++) { for (int j = 0; j < width * 2; j++) input[j] /= 4; input += a_width * 2; } } input = s->plane[plane].l_h[4]; for (int i = 0; i < height * 2; i++) { horiz_filter(input, low, high, width * 2); input += a_width * 2; low += low_stride; high += high_stride; } low = s->plane[plane].subband[1]; high = s->plane[plane].subband[3]; input = s->plane[plane].l_h[1]; for (int i = 0; i < width; i++) { vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2); input++; low++; high++; } low = s->plane[plane].subband[0]; high = s->plane[plane].subband[2]; input = s->plane[plane].l_h[0]; for (int i = 0; i < width; i++) { vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2); input++; low++; high++; } } ret = ff_alloc_packet2(avctx, pkt, 64LL + s->planes * (2LL * avctx->width * avctx->height + 1000LL), 0); if (ret < 0) return ret; bytestream2_init_writer(pby, pkt->data, pkt->size); bytestream2_put_be16(pby, SampleType); bytestream2_put_be16(pby, 9); bytestream2_put_be16(pby, SampleIndexTable); bytestream2_put_be16(pby, s->planes); for (int i = 0; i < s->planes; i++) bytestream2_put_be32(pby, 0); bytestream2_put_be16(pby, TransformType); bytestream2_put_be16(pby, 0); bytestream2_put_be16(pby, NumFrames); bytestream2_put_be16(pby, 1); bytestream2_put_be16(pby, ChannelCount); bytestream2_put_be16(pby, s->planes); bytestream2_put_be16(pby, EncodedFormat); bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 1 : 3); bytestream2_put_be16(pby, WaveletCount); bytestream2_put_be16(pby, 3); bytestream2_put_be16(pby, SubbandCount); bytestream2_put_be16(pby, SUBBAND_COUNT); bytestream2_put_be16(pby, NumSpatial); bytestream2_put_be16(pby, 2); bytestream2_put_be16(pby, FirstWavelet); bytestream2_put_be16(pby, 3); bytestream2_put_be16(pby, ImageWidth); bytestream2_put_be16(pby, avctx->width); bytestream2_put_be16(pby, ImageHeight); bytestream2_put_be16(pby, avctx->height); bytestream2_put_be16(pby, -FrameNumber); bytestream2_put_be16(pby, avctx->frame_number); bytestream2_put_be16(pby, Precision); bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12); bytestream2_put_be16(pby, PrescaleTable); bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 0x2000 : 0x2800); bytestream2_put_be16(pby, SampleFlags); bytestream2_put_be16(pby, 1); for (int p = 0; p < s->planes; p++) { int width = s->plane[p].band[0][0].width; int a_width = s->plane[p].band[0][0].a_width; int height = s->plane[p].band[0][0].height; int16_t *data = s->plane[p].subband[0]; if (p) { bytestream2_put_be16(pby, SampleType); bytestream2_put_be16(pby, 3); bytestream2_put_be16(pby, ChannelNumber); bytestream2_put_be16(pby, p); } bytestream2_put_be16(pby, BitstreamMarker); bytestream2_put_be16(pby, 0x1a4a); pos = bytestream2_tell_p(pby); bytestream2_put_be16(pby, LowpassSubband); bytestream2_put_be16(pby, 0); bytestream2_put_be16(pby, NumLevels); bytestream2_put_be16(pby, 3); bytestream2_put_be16(pby, LowpassWidth); bytestream2_put_be16(pby, width); bytestream2_put_be16(pby, LowpassHeight); bytestream2_put_be16(pby, height); bytestream2_put_be16(pby, PixelOffset); bytestream2_put_be16(pby, 0); bytestream2_put_be16(pby, LowpassQuantization); bytestream2_put_be16(pby, 1); bytestream2_put_be16(pby, LowpassPrecision); bytestream2_put_be16(pby, 16); bytestream2_put_be16(pby, BitstreamMarker); bytestream2_put_be16(pby, 0x0f0f); for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++) bytestream2_put_be16(pby, data[j]); data += a_width; } bytestream2_put_be16(pby, BitstreamMarker); bytestream2_put_be16(pby, 0x1b4b); for (int l = 0; l < 3; l++) { for (int i = 0; i < 3; i++) { s->plane[p].quantization[1 + l * 3 + i] = quantization_per_subband[avctx->pix_fmt != AV_PIX_FMT_YUV422P10][p][s->quality][l * 3 + i]; } } for (int l = 0; l < 3; l++) { int a_width = s->plane[p].band[l][0].a_width; int width = s->plane[p].band[l][0].width; int stride = FFALIGN(width, 8); int height = s->plane[p].band[l][0].height; bytestream2_put_be16(pby, BitstreamMarker); bytestream2_put_be16(pby, 0x0d0d); bytestream2_put_be16(pby, WaveletType); bytestream2_put_be16(pby, 3 + 2 * (l == 2)); bytestream2_put_be16(pby, WaveletNumber); bytestream2_put_be16(pby, 3 - l); bytestream2_put_be16(pby, WaveletLevel); bytestream2_put_be16(pby, 3 - l); bytestream2_put_be16(pby, NumBands); bytestream2_put_be16(pby, 4); bytestream2_put_be16(pby, HighpassWidth); bytestream2_put_be16(pby, width); bytestream2_put_be16(pby, HighpassHeight); bytestream2_put_be16(pby, height); bytestream2_put_be16(pby, LowpassBorder); bytestream2_put_be16(pby, 0); bytestream2_put_be16(pby, HighpassBorder); bytestream2_put_be16(pby, 0); bytestream2_put_be16(pby, LowpassScale); bytestream2_put_be16(pby, 1); bytestream2_put_be16(pby, LowpassDivisor); bytestream2_put_be16(pby, 1); for (int i = 0; i < 3; i++) { int16_t *data = s->plane[p].subband[1 + l * 3 + i]; int count = 0, padd = 0; bytestream2_put_be16(pby, BitstreamMarker); bytestream2_put_be16(pby, 0x0e0e); bytestream2_put_be16(pby, SubbandNumber); bytestream2_put_be16(pby, i + 1); bytestream2_put_be16(pby, BandCodingFlags); bytestream2_put_be16(pby, 1); bytestream2_put_be16(pby, BandWidth); bytestream2_put_be16(pby, width); bytestream2_put_be16(pby, BandHeight); bytestream2_put_be16(pby, height); bytestream2_put_be16(pby, SubbandBand); bytestream2_put_be16(pby, 1 + l * 3 + i); bytestream2_put_be16(pby, BandEncoding); bytestream2_put_be16(pby, 3); bytestream2_put_be16(pby, Quantization); bytestream2_put_be16(pby, s->plane[p].quantization[1 + l * 3 + i]); bytestream2_put_be16(pby, BandScale); bytestream2_put_be16(pby, 1); bytestream2_put_be16(pby, BandHeader); bytestream2_put_be16(pby, 0); quantize_band(data, width, a_width, height, s->plane[p].quantization[1 + l * 3 + i]); init_put_bits(pb, pkt->data + bytestream2_tell_p(pby), bytestream2_get_bytes_left_p(pby)); for (int m = 0; m < height; m++) { for (int j = 0; j < stride; j++) { int16_t index = FFSIGN(data[j]) * lut[FFABS(data[j])]; if (index < 0) index += 512; if (index == 0) { count++; continue; } else if (count > 0) { count = put_runcode(pb, count, rb); } put_bits(pb, cb[index].size, cb[index].bits); } data += a_width; } if (count > 0) { count = put_runcode(pb, count, rb); } put_bits(pb, cb[512].size, cb[512].bits); flush_put_bits(pb); bytestream2_skip_p(pby, put_bits_count(pb) >> 3); padd = (4 - (bytestream2_tell_p(pby) & 3)) & 3; while (padd--) bytestream2_put_byte(pby, 0); bytestream2_put_be16(pby, BandTrailer); bytestream2_put_be16(pby, 0); } bytestream2_put_be16(pby, BitstreamMarker); bytestream2_put_be16(pby, 0x0c0c); } s->plane[p].size = bytestream2_tell_p(pby) - pos; } bytestream2_put_be16(pby, GroupTrailer); bytestream2_put_be16(pby, 0); av_shrink_packet(pkt, bytestream2_tell_p(pby)); pkt->flags |= AV_PKT_FLAG_KEY; bytestream2_seek_p(pby, 8, SEEK_SET); for (int i = 0; i < s->planes; i++) bytestream2_put_be32(pby, s->plane[i].size); *got_packet = 1; return 0; } static av_cold int cfhd_encode_close(AVCodecContext *avctx) { CFHDEncContext *s = avctx->priv_data; for (int i = 0; i < s->planes; i++) { av_freep(&s->plane[i].dwt_buf); av_freep(&s->plane[i].dwt_tmp); for (int j = 0; j < SUBBAND_COUNT; j++) s->plane[i].subband[j] = NULL; for (int j = 0; j < 8; j++) s->plane[i].l_h[j] = NULL; } return 0; } #define OFFSET(x) offsetof(CFHDEncContext, x) #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { { "quality", "set quality", OFFSET(quality), AV_OPT_TYPE_INT, {.i64= 0}, 0, 12, VE, "q" }, { "film3+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 0}, 0, 0, VE, "q" }, { "film3", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 1}, 0, 0, VE, "q" }, { "film2+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 2}, 0, 0, VE, "q" }, { "film2", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 3}, 0, 0, VE, "q" }, { "film1.5", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 4}, 0, 0, VE, "q" }, { "film1+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 5}, 0, 0, VE, "q" }, { "film1", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 6}, 0, 0, VE, "q" }, { "high+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 7}, 0, 0, VE, "q" }, { "high", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 8}, 0, 0, VE, "q" }, { "medium+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 9}, 0, 0, VE, "q" }, { "medium", NULL, 0, AV_OPT_TYPE_CONST, {.i64=10}, 0, 0, VE, "q" }, { "low+", NULL, 0, AV_OPT_TYPE_CONST, {.i64=11}, 0, 0, VE, "q" }, { "low", NULL, 0, AV_OPT_TYPE_CONST, {.i64=12}, 0, 0, VE, "q" }, { NULL}, }; static const AVClass cfhd_class = { .class_name = "cfhd", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_cfhd_encoder = { .name = "cfhd", .long_name = NULL_IF_CONFIG_SMALL("Cineform HD"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_CFHD, .priv_data_size = sizeof(CFHDEncContext), .priv_class = &cfhd_class, .init = cfhd_encode_init, .close = cfhd_encode_close, .encode2 = cfhd_encode_frame, .capabilities = AV_CODEC_CAP_FRAME_THREADS, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV422P10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_NONE }, };