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875 lines
34 KiB
875 lines
34 KiB
/* |
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* Copyright (c) 2020 Paul B Mahol |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* Cineform HD video encoder |
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*/ |
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#include <stddef.h> |
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#include "libavutil/mem.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "avcodec.h" |
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#include "bytestream.h" |
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#include "cfhd.h" |
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#include "cfhdencdsp.h" |
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#include "codec_internal.h" |
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#include "encode.h" |
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#include "put_bits.h" |
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|
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/* Derived from existing tables from decoder */ |
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static const unsigned codebook[256][2] = { |
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{ 1, 0x00000000 }, { 2, 0x00000002 }, { 3, 0x00000007 }, { 5, 0x00000019 }, { 6, 0x00000030 }, |
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{ 6, 0x00000036 }, { 7, 0x00000063 }, { 7, 0x0000006B }, { 7, 0x0000006F }, { 8, 0x000000D4 }, |
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{ 8, 0x000000DC }, { 9, 0x00000189 }, { 9, 0x000001A0 }, { 9, 0x000001AB }, {10, 0x00000310 }, |
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{10, 0x00000316 }, {10, 0x00000354 }, {10, 0x00000375 }, {10, 0x00000377 }, {11, 0x00000623 }, |
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{11, 0x00000684 }, {11, 0x000006AB }, {11, 0x000006EC }, {12, 0x00000C44 }, {12, 0x00000C5C }, |
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{12, 0x00000C5E }, {12, 0x00000D55 }, {12, 0x00000DD1 }, {12, 0x00000DD3 }, {12, 0x00000DDB }, |
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{13, 0x0000188B }, {13, 0x000018BB }, {13, 0x00001AA8 }, {13, 0x00001BA0 }, {13, 0x00001BA4 }, |
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{13, 0x00001BB5 }, {14, 0x00003115 }, {14, 0x00003175 }, {14, 0x0000317D }, {14, 0x00003553 }, |
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{14, 0x00003768 }, {15, 0x00006228 }, {15, 0x000062E8 }, {15, 0x000062F8 }, {15, 0x00006AA4 }, |
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{15, 0x00006E85 }, {15, 0x00006E87 }, {15, 0x00006ED3 }, {16, 0x0000C453 }, {16, 0x0000C5D3 }, |
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{16, 0x0000C5F3 }, {16, 0x0000DD08 }, {16, 0x0000DD0C }, {16, 0x0000DDA4 }, {17, 0x000188A4 }, |
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{17, 0x00018BA5 }, {17, 0x00018BE5 }, {17, 0x0001AA95 }, {17, 0x0001AA97 }, {17, 0x0001BA13 }, |
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{17, 0x0001BB4A }, {17, 0x0001BB4B }, {18, 0x00031748 }, {18, 0x000317C8 }, {18, 0x00035528 }, |
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{18, 0x0003552C }, {18, 0x00037424 }, {18, 0x00037434 }, {18, 0x00037436 }, {19, 0x00062294 }, |
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{19, 0x00062E92 }, {19, 0x00062F92 }, {19, 0x0006AA52 }, {19, 0x0006AA5A }, {19, 0x0006E84A }, |
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{19, 0x0006E86A }, {19, 0x0006E86E }, {20, 0x000C452A }, {20, 0x000C5D27 }, {20, 0x000C5F26 }, |
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{20, 0x000D54A6 }, {20, 0x000D54B6 }, {20, 0x000DD096 }, {20, 0x000DD0D6 }, {20, 0x000DD0DE }, |
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{21, 0x00188A56 }, {21, 0x0018BA4D }, {21, 0x0018BE4E }, {21, 0x0018BE4F }, {21, 0x001AA96E }, |
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{21, 0x001BA12E }, {21, 0x001BA12F }, {21, 0x001BA1AF }, {21, 0x001BA1BF }, {22, 0x00317498 }, |
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{22, 0x0035529C }, {22, 0x0035529D }, {22, 0x003552DE }, {22, 0x003552DF }, {22, 0x0037435D }, |
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{22, 0x0037437D }, {23, 0x0062295D }, {23, 0x0062E933 }, {23, 0x006AA53D }, {23, 0x006AA53E }, |
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{23, 0x006AA53F }, {23, 0x006E86B9 }, {23, 0x006E86F8 }, {24, 0x00C452B8 }, {24, 0x00C5D265 }, |
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{24, 0x00D54A78 }, {24, 0x00D54A79 }, {24, 0x00DD0D70 }, {24, 0x00DD0D71 }, {24, 0x00DD0DF2 }, |
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{24, 0x00DD0DF3 }, {26, 0x03114BA2 }, {25, 0x0188A5B1 }, {25, 0x0188A58B }, {25, 0x0188A595 }, |
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{25, 0x0188A5D6 }, {25, 0x0188A5D7 }, {25, 0x0188A5A8 }, {25, 0x0188A5AE }, {25, 0x0188A5AF }, |
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{25, 0x0188A5C4 }, {25, 0x0188A5C5 }, {25, 0x0188A587 }, {25, 0x0188A584 }, {25, 0x0188A585 }, |
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{25, 0x0188A5C6 }, {25, 0x0188A5C7 }, {25, 0x0188A5CC }, {25, 0x0188A5CD }, {25, 0x0188A581 }, |
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{25, 0x0188A582 }, {25, 0x0188A583 }, {25, 0x0188A5CE }, {25, 0x0188A5CF }, {25, 0x0188A5C2 }, |
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{25, 0x0188A5C3 }, {25, 0x0188A5C1 }, {25, 0x0188A5B4 }, {25, 0x0188A5B5 }, {25, 0x0188A5E6 }, |
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{25, 0x0188A5E7 }, {25, 0x0188A5E4 }, {25, 0x0188A5E5 }, {25, 0x0188A5AB }, {25, 0x0188A5E0 }, |
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{25, 0x0188A5E1 }, {25, 0x0188A5E2 }, {25, 0x0188A5E3 }, {25, 0x0188A5B6 }, {25, 0x0188A5B7 }, |
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{25, 0x0188A5FD }, {25, 0x0188A57E }, {25, 0x0188A57F }, {25, 0x0188A5EC }, {25, 0x0188A5ED }, |
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{25, 0x0188A5FE }, {25, 0x0188A5FF }, {25, 0x0188A57D }, {25, 0x0188A59C }, {25, 0x0188A59D }, |
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{25, 0x0188A5E8 }, {25, 0x0188A5E9 }, {25, 0x0188A5EA }, {25, 0x0188A5EB }, {25, 0x0188A5EF }, |
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{25, 0x0188A57A }, {25, 0x0188A57B }, {25, 0x0188A578 }, {25, 0x0188A579 }, {25, 0x0188A5BA }, |
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{25, 0x0188A5BB }, {25, 0x0188A5B8 }, {25, 0x0188A5B9 }, {25, 0x0188A588 }, {25, 0x0188A589 }, |
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{25, 0x018BA4C8 }, {25, 0x018BA4C9 }, {25, 0x0188A5FA }, {25, 0x0188A5FB }, {25, 0x0188A5BC }, |
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{25, 0x0188A5BD }, {25, 0x0188A598 }, {25, 0x0188A599 }, {25, 0x0188A5F4 }, {25, 0x0188A5F5 }, |
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{25, 0x0188A59B }, {25, 0x0188A5DE }, {25, 0x0188A5DF }, {25, 0x0188A596 }, {25, 0x0188A597 }, |
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{25, 0x0188A5F8 }, {25, 0x0188A5F9 }, {25, 0x0188A5F1 }, {25, 0x0188A58E }, {25, 0x0188A58F }, |
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{25, 0x0188A5DC }, {25, 0x0188A5DD }, {25, 0x0188A5F2 }, {25, 0x0188A5F3 }, {25, 0x0188A58C }, |
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{25, 0x0188A58D }, {25, 0x0188A5A4 }, {25, 0x0188A5F0 }, {25, 0x0188A5A5 }, {25, 0x0188A5A6 }, |
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{25, 0x0188A5A7 }, {25, 0x0188A59A }, {25, 0x0188A5A2 }, {25, 0x0188A5A3 }, {25, 0x0188A58A }, |
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{25, 0x0188A5B0 }, {25, 0x0188A5A0 }, {25, 0x0188A5A1 }, {25, 0x0188A5DA }, {25, 0x0188A5DB }, |
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{25, 0x0188A59E }, {25, 0x0188A59F }, {25, 0x0188A5D8 }, {25, 0x0188A5EE }, {25, 0x0188A5D9 }, |
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{25, 0x0188A5F6 }, {25, 0x0188A5F7 }, {25, 0x0188A57C }, {25, 0x0188A5C8 }, {25, 0x0188A5C9 }, |
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{25, 0x0188A594 }, {25, 0x0188A5FC }, {25, 0x0188A5CA }, {25, 0x0188A5CB }, {25, 0x0188A5B2 }, |
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{25, 0x0188A5AA }, {25, 0x0188A5B3 }, {25, 0x0188A572 }, {25, 0x0188A573 }, {25, 0x0188A5C0 }, |
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{25, 0x0188A5BE }, {25, 0x0188A5BF }, {25, 0x0188A592 }, {25, 0x0188A580 }, {25, 0x0188A593 }, |
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{25, 0x0188A590 }, {25, 0x0188A591 }, {25, 0x0188A586 }, {25, 0x0188A5A9 }, {25, 0x0188A5D2 }, |
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{25, 0x0188A5D3 }, {25, 0x0188A5D4 }, {25, 0x0188A5D5 }, {25, 0x0188A5AC }, {25, 0x0188A5AD }, |
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{25, 0x0188A5D0 }, |
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}; |
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/* Derived by extracting runcodes from existing tables from decoder */ |
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static const uint16_t runbook[18][3] = { |
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{1, 0x0000, 1}, {2, 0x0000, 2}, {3, 0x0000, 3}, {4, 0x0000, 4}, |
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{5, 0x0000, 5}, {6, 0x0000, 6}, {7, 0x0000, 7}, {8, 0x0000, 8}, |
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{9, 0x0000, 9}, {10, 0x0000, 10}, {11, 0x0000, 11}, |
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{7, 0x0069, 12}, {8, 0x00D1, 20}, {9, 0x018A, 32}, |
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{10, 0x0343, 60}, {11, 0x0685, 100}, {13, 0x18BF, 180}, {13, 0x1BA5, 320}, |
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}; |
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/* |
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* Derived by inspecting various quality encodes |
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* and adding some more from scratch. |
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*/ |
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static const uint16_t quantization_per_subband[2][3][13][9] = { |
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{{ |
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{ 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3+ |
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{ 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3 |
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{ 16, 16, 8, 4, 4, 2, 7, 7, 10, }, // film2+ |
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{ 16, 16, 8, 4, 4, 2, 8, 8, 12, }, // film2 |
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{ 16, 16, 8, 4, 4, 2, 16, 16, 26, }, // film1++ |
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{ 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1+ |
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{ 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1 |
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{ 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high+ |
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{ 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high |
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{ 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium+ |
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{ 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium |
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{ 64, 64, 48, 16, 16, 12, 96, 96, 144, }, // low+ |
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{ 64, 64, 48, 16, 16, 12, 128, 128, 192, }, // low |
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}, |
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{ |
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{ 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3+ |
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{ 16, 16, 8, 4, 4, 2, 6, 6, 12, }, // film3 |
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{ 16, 16, 8, 4, 4, 2, 7, 7, 14, }, // film2+ |
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{ 16, 16, 8, 4, 4, 2, 8, 8, 16, }, // film2 |
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{ 16, 16, 8, 4, 4, 2, 16, 16, 26, }, // film1++ |
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{ 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1+ |
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{ 24, 24, 12, 6, 6, 3, 24, 24, 48, }, // film1 |
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{ 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high+ |
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{ 48, 48, 32, 12, 12, 8, 32, 32, 64, }, // high |
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{ 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium+ |
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{ 48, 48, 32, 12, 12, 8, 64, 64, 128, }, // medium |
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{ 64, 64, 48, 16, 16, 12, 96, 96, 160, }, // low+ |
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{ 64, 64, 48, 16, 16, 12, 128, 128, 192, }, // low |
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}, |
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{ |
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{ 16, 16, 8, 4, 4, 2, 6, 6, 9, }, // film3+ |
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{ 16, 16, 8, 4, 4, 2, 6, 6, 12, }, // film3 |
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{ 16, 16, 8, 4, 4, 2, 7, 7, 14, }, // film2+ |
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{ 16, 16, 8, 4, 4, 2, 8, 8, 16, }, // film2 |
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{ 16, 16, 8, 4, 4, 2, 16, 16, 26, }, // film1++ |
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{ 24, 24, 12, 6, 6, 3, 24, 24, 36, }, // film1+ |
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{ 24, 24, 12, 6, 6, 3, 24, 24, 48, }, // film1 |
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{ 32, 32, 24, 8, 8, 6, 32, 32, 48, }, // high+ |
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{ 48, 48, 32, 12, 12, 8, 32, 32, 64, }, // high |
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{ 48, 48, 32, 12, 12, 8, 64, 64, 96, }, // medium+ |
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{ 48, 48, 32, 12, 12, 8, 64, 64, 128, }, // medium |
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{ 64, 64, 48, 16, 16, 12, 96, 96, 160, }, // low+ |
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{ 64, 64, 48, 16, 16, 12, 128, 128, 192, }, // low |
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}}, |
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{{ |
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{ 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3+ |
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{ 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3 |
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{ 16, 16, 8, 16, 16, 8, 32, 32, 48, }, // film2+ |
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{ 16, 16, 8, 16, 16, 8, 32, 32, 48, }, // film2 |
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{ 16, 16, 8, 20, 20, 10, 80, 80, 128, }, // film1++ |
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{ 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1+ |
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{ 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1 |
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{ 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high+ |
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{ 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high |
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{ 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium+ |
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{ 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium |
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{ 56, 56, 40, 56, 56, 40, 512, 512, 768, }, // low+ |
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{ 64, 64, 48, 64, 64, 48, 512, 512, 768, }, // low |
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}, |
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{ |
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{ 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3+ |
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{ 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film3 |
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{ 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film2+ |
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{ 16, 16, 8, 16, 16, 8, 64, 64, 96, }, // film2 |
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{ 16, 16, 8, 20, 20, 10, 80, 80, 128, }, // film1++ |
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{ 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1+ |
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{ 24, 24, 12, 24, 24, 12, 192, 192, 288, }, // film1 |
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{ 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high+ |
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{ 32, 32, 24, 32, 32, 24, 256, 256, 384, }, // high |
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{ 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium+ |
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{ 48, 48, 32, 48, 48, 32, 512, 512, 768, }, // medium |
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{ 56, 56, 40, 56, 56, 40, 512, 512, 768, }, // low+ |
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{ 64, 64, 48, 64, 64, 48,1024,1024,1536, }, // low |
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}, |
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{ |
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{ 16, 16, 8, 16, 16, 8, 24, 24, 36, }, // film3+ |
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{ 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film3 |
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{ 16, 16, 8, 16, 16, 8, 48, 48, 72, }, // film2+ |
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{ 16, 16, 8, 16, 16, 8, 64, 64, 96, }, // film2 |
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{ 16, 16, 10, 20, 20, 10, 80, 80, 128, }, // film1++ |
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{ 24, 24, 12, 24, 24, 12, 96, 96, 144, }, // film1+ |
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{ 24, 24, 12, 24, 24, 12, 192, 192, 288, }, // film1 |
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{ 32, 32, 24, 32, 32, 24, 128, 128, 192, }, // high+ |
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{ 32, 32, 24, 32, 32, 24, 256, 256, 384, }, // high |
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{ 48, 48, 32, 48, 48, 32, 256, 256, 384, }, // medium+ |
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{ 48, 48, 32, 48, 48, 32, 512, 512, 768, }, // medium |
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{ 56, 56, 40, 56, 56, 40, 512, 512, 768, }, // low+ |
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{ 64, 64, 48, 64, 64, 48,1024,1024,1536, }, // low |
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}}, |
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}; |
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typedef struct Codebook { |
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unsigned bits; |
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unsigned size; |
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} Codebook; |
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typedef struct Runbook { |
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unsigned size; |
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unsigned bits; |
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unsigned run; |
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} Runbook; |
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typedef struct PlaneEnc { |
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unsigned size; |
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int16_t *dwt_buf; |
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int16_t *dwt_tmp; |
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unsigned quantization[SUBBAND_COUNT]; |
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int16_t *subband[SUBBAND_COUNT]; |
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int16_t *l_h[8]; |
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SubBand band[DWT_LEVELS][4]; |
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} PlaneEnc; |
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typedef struct CFHDEncContext { |
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const AVClass *class; |
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PutBitContext pb; |
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PutByteContext pby; |
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int quality; |
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int planes; |
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int chroma_h_shift; |
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int chroma_v_shift; |
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PlaneEnc plane[4]; |
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uint16_t lut[1024]; |
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Runbook rb[321]; |
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Codebook cb[513]; |
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int16_t *alpha; |
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CFHDEncDSPContext dsp; |
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} CFHDEncContext; |
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static av_cold int cfhd_encode_init(AVCodecContext *avctx) |
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{ |
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CFHDEncContext *s = avctx->priv_data; |
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const int sign_mask = 256; |
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const int twos_complement = -sign_mask; |
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const int mag_mask = sign_mask - 1; |
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int ret, last = 0; |
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ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, |
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&s->chroma_h_shift, |
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&s->chroma_v_shift); |
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if (ret < 0) |
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return ret; |
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if (avctx->height < 4) { |
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av_log(avctx, AV_LOG_ERROR, "Height must be >= 4.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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if (avctx->width & 15) { |
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av_log(avctx, AV_LOG_ERROR, "Width must be multiple of 16.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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s->planes = av_pix_fmt_count_planes(avctx->pix_fmt); |
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for (int i = 0; i < s->planes; i++) { |
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int w8, h8, w4, h4, w2, h2; |
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const int a_height = FFALIGN(avctx->height, 8); |
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int width = i ? AV_CEIL_RSHIFT(avctx->width, s->chroma_h_shift) : avctx->width; |
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int height = i ? a_height >> s->chroma_v_shift: a_height; |
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w8 = width / 8 + 64; |
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h8 = height / 8; |
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w4 = w8 * 2; |
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h4 = h8 * 2; |
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w2 = w4 * 2; |
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h2 = h4 * 2; |
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s->plane[i].dwt_buf = |
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av_calloc(h8 * 8 * w8 * 8, sizeof(*s->plane[i].dwt_buf)); |
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s->plane[i].dwt_tmp = |
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av_malloc_array(h8 * 8 * w8 * 8, sizeof(*s->plane[i].dwt_tmp)); |
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if (!s->plane[i].dwt_buf || !s->plane[i].dwt_tmp) |
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return AVERROR(ENOMEM); |
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s->plane[i].subband[0] = s->plane[i].dwt_buf; |
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s->plane[i].subband[1] = s->plane[i].dwt_buf + 2 * w8 * h8; |
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s->plane[i].subband[2] = s->plane[i].dwt_buf + 1 * w8 * h8; |
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s->plane[i].subband[3] = s->plane[i].dwt_buf + 3 * w8 * h8; |
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s->plane[i].subband[4] = s->plane[i].dwt_buf + 2 * w4 * h4; |
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s->plane[i].subband[5] = s->plane[i].dwt_buf + 1 * w4 * h4; |
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s->plane[i].subband[6] = s->plane[i].dwt_buf + 3 * w4 * h4; |
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s->plane[i].subband[7] = s->plane[i].dwt_buf + 2 * w2 * h2; |
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s->plane[i].subband[8] = s->plane[i].dwt_buf + 1 * w2 * h2; |
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s->plane[i].subband[9] = s->plane[i].dwt_buf + 3 * w2 * h2; |
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for (int j = 0; j < DWT_LEVELS; j++) { |
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for (int k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) { |
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s->plane[i].band[j][k].width = (width / 8) << j; |
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s->plane[i].band[j][k].height = height >> (DWT_LEVELS - j); |
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s->plane[i].band[j][k].a_width = w8 << j; |
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s->plane[i].band[j][k].a_height = h8 << j; |
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} |
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} |
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|
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/* 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 < 17; 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[17][1]; |
|
s->rb[320].size = runbook[17][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; |
|
} |
|
|
|
ff_cfhdencdsp_init(&s->dsp); |
|
|
|
if (s->planes != 4) |
|
return 0; |
|
|
|
s->alpha = av_calloc(avctx->width * avctx->height, sizeof(*s->alpha)); |
|
if (!s->alpha) |
|
return AVERROR(ENOMEM); |
|
|
|
return 0; |
|
} |
|
|
|
static void quantize_band(int16_t *input, int width, int a_width, |
|
int height, unsigned quantization) |
|
{ |
|
const int16_t factor = (uint32_t)(1U << 15) / quantization; |
|
|
|
for (int i = 0; i < height; i++) { |
|
for (int j = 0; j < width; j++) |
|
input[j] = av_clip_intp2(((input[j] * factor + 16384 * FFSIGN(input[j])) / 32768), 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 void process_alpha(const int16_t *src, int width, int height, ptrdiff_t stride, int16_t *dst) |
|
{ |
|
for (int i = 0; i < height; i++) { |
|
for (int j = 0; j < width; j++) { |
|
int alpha = src[j]; |
|
|
|
if (alpha > 0 && alpha < 4080) { |
|
alpha *= 223; |
|
alpha += 128; |
|
alpha >>= 8; |
|
alpha += 256; |
|
} |
|
|
|
dst[j] = av_clip_uintp2(alpha, 12); |
|
} |
|
|
|
src += stride; |
|
dst += width; |
|
} |
|
} |
|
|
|
static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
|
const AVFrame *frame, int *got_packet) |
|
{ |
|
CFHDEncContext *s = avctx->priv_data; |
|
CFHDEncDSPContext *dsp = &s->dsp; |
|
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; |
|
|
|
for (int plane = 0; plane < s->planes; plane++) { |
|
const int h_shift = plane ? s->chroma_h_shift : 0; |
|
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; |
|
const int16_t *input = (int16_t *)frame->data[act_plane]; |
|
int16_t *buf; |
|
int16_t *low = s->plane[plane].l_h[6]; |
|
int16_t *high = s->plane[plane].l_h[7]; |
|
ptrdiff_t in_stride = frame->linesize[act_plane] / 2; |
|
int low_stride, high_stride; |
|
|
|
if (plane == 3) { |
|
process_alpha(input, avctx->width, avctx->height, |
|
in_stride, s->alpha); |
|
input = s->alpha; |
|
in_stride = avctx->width; |
|
} |
|
|
|
dsp->horiz_filter(input, low, high, |
|
in_stride, a_width, a_width, |
|
avctx->width >> h_shift, avctx->height); |
|
|
|
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; |
|
|
|
dsp->vert_filter(input, low, high, |
|
a_width, low_stride, high_stride, |
|
width, height * 2); |
|
|
|
input = s->plane[plane].l_h[6]; |
|
low = s->plane[plane].l_h[7]; |
|
high = s->plane[plane].subband[8]; |
|
|
|
dsp->vert_filter(input, low, high, |
|
a_width, low_stride, high_stride, |
|
width, height * 2); |
|
|
|
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; |
|
|
|
buf = s->plane[plane].l_h[7]; |
|
for (int i = 0; i < height * 2; i++) { |
|
for (int j = 0; j < width * 2; j++) |
|
buf[j] /= 4; |
|
buf += a_width * 2; |
|
} |
|
|
|
dsp->horiz_filter(input, low, high, |
|
a_width * 2, low_stride, high_stride, |
|
width * 2, height * 2); |
|
|
|
input = s->plane[plane].l_h[4]; |
|
low = s->plane[plane].subband[4]; |
|
high = s->plane[plane].subband[6]; |
|
|
|
dsp->vert_filter(input, low, high, |
|
a_width, low_stride, high_stride, |
|
width, height * 2); |
|
|
|
input = s->plane[plane].l_h[3]; |
|
low = s->plane[plane].l_h[4]; |
|
high = s->plane[plane].subband[5]; |
|
|
|
dsp->vert_filter(input, low, high, |
|
a_width, low_stride, high_stride, |
|
width, height * 2); |
|
|
|
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) { |
|
int16_t *buf = s->plane[plane].l_h[4]; |
|
for (int i = 0; i < height * 2; i++) { |
|
for (int j = 0; j < width * 2; j++) |
|
buf[j] /= 4; |
|
buf += a_width * 2; |
|
} |
|
} |
|
|
|
dsp->horiz_filter(input, low, high, |
|
a_width * 2, low_stride, high_stride, |
|
width * 2, height * 2); |
|
|
|
low = s->plane[plane].subband[1]; |
|
high = s->plane[plane].subband[3]; |
|
input = s->plane[plane].l_h[1]; |
|
|
|
dsp->vert_filter(input, low, high, |
|
a_width, low_stride, high_stride, |
|
width, height * 2); |
|
|
|
low = s->plane[plane].subband[0]; |
|
high = s->plane[plane].subband[2]; |
|
input = s->plane[plane].l_h[0]; |
|
|
|
dsp->vert_filter(input, low, high, |
|
a_width, low_stride, high_stride, |
|
width, height * 2); |
|
} |
|
|
|
ret = ff_alloc_packet(avctx, pkt, 256LL + s->planes * (2LL * avctx->width * (avctx->height + 15) + 2048LL)); |
|
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 + (s->planes == 4)); |
|
|
|
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, FFALIGN(avctx->height, 8)); |
|
|
|
bytestream2_put_be16(pby, -DisplayHeight); |
|
bytestream2_put_be16(pby, avctx->height); |
|
|
|
bytestream2_put_be16(pby, -FrameNumber); |
|
bytestream2_put_be16(pby, frame->pts & 0xFFFF); |
|
|
|
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 >= 3 ? 0 : 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 = j >= width ? 0 : 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_bytes_output(pb)); |
|
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) |
|
{ |
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CFHDEncContext *s = avctx->priv_data; |
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for (int i = 0; i < s->planes; i++) { |
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av_freep(&s->plane[i].dwt_buf); |
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av_freep(&s->plane[i].dwt_tmp); |
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for (int j = 0; j < SUBBAND_COUNT; j++) |
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s->plane[i].subband[j] = NULL; |
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for (int j = 0; j < 8; j++) |
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s->plane[i].l_h[j] = NULL; |
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} |
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av_freep(&s->alpha); |
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return 0; |
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} |
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#define OFFSET(x) offsetof(CFHDEncContext, x) |
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
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static const AVOption options[] = { |
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{ "quality", "set quality", OFFSET(quality), AV_OPT_TYPE_INT, {.i64= 0}, 0, 12, VE, .unit = "q" }, |
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{ "film3+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 0}, 0, 0, VE, .unit = "q" }, |
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{ "film3", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 1}, 0, 0, VE, .unit = "q" }, |
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{ "film2+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 2}, 0, 0, VE, .unit = "q" }, |
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{ "film2", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 3}, 0, 0, VE, .unit = "q" }, |
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{ "film1.5", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 4}, 0, 0, VE, .unit = "q" }, |
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{ "film1+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 5}, 0, 0, VE, .unit = "q" }, |
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{ "film1", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 6}, 0, 0, VE, .unit = "q" }, |
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{ "high+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 7}, 0, 0, VE, .unit = "q" }, |
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{ "high", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 8}, 0, 0, VE, .unit = "q" }, |
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{ "medium+", NULL, 0, AV_OPT_TYPE_CONST, {.i64= 9}, 0, 0, VE, .unit = "q" }, |
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{ "medium", NULL, 0, AV_OPT_TYPE_CONST, {.i64=10}, 0, 0, VE, .unit = "q" }, |
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{ "low+", NULL, 0, AV_OPT_TYPE_CONST, {.i64=11}, 0, 0, VE, .unit = "q" }, |
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{ "low", NULL, 0, AV_OPT_TYPE_CONST, {.i64=12}, 0, 0, VE, .unit = "q" }, |
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{ NULL}, |
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}; |
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static const AVClass cfhd_class = { |
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.class_name = "cfhd", |
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.item_name = av_default_item_name, |
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.option = options, |
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.version = LIBAVUTIL_VERSION_INT, |
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}; |
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const FFCodec ff_cfhd_encoder = { |
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.p.name = "cfhd", |
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CODEC_LONG_NAME("GoPro CineForm HD"), |
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.p.type = AVMEDIA_TYPE_VIDEO, |
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.p.id = AV_CODEC_ID_CFHD, |
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.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS | |
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AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, |
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.priv_data_size = sizeof(CFHDEncContext), |
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.p.priv_class = &cfhd_class, |
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.init = cfhd_encode_init, |
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.close = cfhd_encode_close, |
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FF_CODEC_ENCODE_CB(cfhd_encode_frame), |
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.p.pix_fmts = (const enum AVPixelFormat[]) { |
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AV_PIX_FMT_YUV422P10, |
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AV_PIX_FMT_GBRP12, |
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AV_PIX_FMT_GBRAP12, |
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AV_PIX_FMT_NONE |
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}, |
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.caps_internal = FF_CODEC_CAP_INIT_CLEANUP, |
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};
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