973 lines
36 KiB
C
Executable file
973 lines
36 KiB
C
Executable file
/*
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* Apple ProRes encoder
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*
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* Copyright (c) 2011 Anatoliy Wasserman
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* Copyright (c) 2012 Konstantin Shishkov
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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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* Apple ProRes encoder (Anatoliy Wasserman version)
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* Known FOURCCs: 'ap4h' (444), 'apch' (HQ), 'apcn' (422), 'apcs' (LT), 'acpo' (Proxy)
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*/
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "dct.h"
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#include "internal.h"
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#include "profiles.h"
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#include "proresdata.h"
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#include "put_bits.h"
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#include "bytestream.h"
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#include "fdctdsp.h"
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#define DEFAULT_SLICE_MB_WIDTH 8
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static const AVProfile profiles[] = {
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{ FF_PROFILE_PRORES_PROXY, "apco"},
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{ FF_PROFILE_PRORES_LT, "apcs"},
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{ FF_PROFILE_PRORES_STANDARD, "apcn"},
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{ FF_PROFILE_PRORES_HQ, "apch"},
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{ FF_PROFILE_PRORES_4444, "ap4h"},
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{ FF_PROFILE_PRORES_XQ, "ap4x"},
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{ FF_PROFILE_UNKNOWN }
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};
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static const int qp_start_table[6] = { 8, 3, 2, 1, 1, 1};
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static const int qp_end_table[6] = { 13, 9, 6, 6, 5, 4};
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static const int bitrate_table[6] = { 1000, 2100, 3500, 5400, 7000, 10000};
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static const int valid_primaries[9] = { AVCOL_PRI_RESERVED0, AVCOL_PRI_BT709, AVCOL_PRI_UNSPECIFIED, AVCOL_PRI_BT470BG,
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AVCOL_PRI_SMPTE170M, AVCOL_PRI_BT2020, AVCOL_PRI_SMPTE431, AVCOL_PRI_SMPTE432,INT_MAX };
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static const int valid_trc[4] = { AVCOL_TRC_RESERVED0, AVCOL_TRC_BT709, AVCOL_TRC_UNSPECIFIED, INT_MAX };
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static const int valid_colorspace[5] = { AVCOL_SPC_BT709, AVCOL_SPC_UNSPECIFIED, AVCOL_SPC_SMPTE170M,
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AVCOL_SPC_BT2020_NCL, INT_MAX };
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static const uint8_t QMAT_LUMA[6][64] = {
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{
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4, 7, 9, 11, 13, 14, 15, 63,
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7, 7, 11, 12, 14, 15, 63, 63,
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9, 11, 13, 14, 15, 63, 63, 63,
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11, 11, 13, 14, 63, 63, 63, 63,
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11, 13, 14, 63, 63, 63, 63, 63,
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13, 14, 63, 63, 63, 63, 63, 63,
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13, 63, 63, 63, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 63, 63, 63
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}, {
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4, 5, 6, 7, 9, 11, 13, 15,
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5, 5, 7, 8, 11, 13, 15, 17,
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6, 7, 9, 11, 13, 15, 15, 17,
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7, 7, 9, 11, 13, 15, 17, 19,
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7, 9, 11, 13, 14, 16, 19, 23,
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9, 11, 13, 14, 16, 19, 23, 29,
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9, 11, 13, 15, 17, 21, 28, 35,
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11, 13, 16, 17, 21, 28, 35, 41
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}, {
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4, 4, 5, 5, 6, 7, 7, 9,
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4, 4, 5, 6, 7, 7, 9, 9,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 6, 7, 7, 8, 9, 10, 12,
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6, 7, 7, 8, 9, 10, 12, 15,
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6, 7, 7, 9, 10, 11, 14, 17,
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7, 7, 9, 10, 11, 14, 17, 21
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}, {
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 5,
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4, 4, 4, 4, 4, 4, 5, 5,
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4, 4, 4, 4, 4, 5, 5, 6,
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4, 4, 4, 4, 5, 5, 6, 7,
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4, 4, 4, 4, 5, 6, 7, 7
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}, { /* 444 */
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 5,
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4, 4, 4, 4, 4, 4, 5, 5,
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4, 4, 4, 4, 4, 5, 5, 6,
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4, 4, 4, 4, 5, 5, 6, 7,
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4, 4, 4, 4, 5, 6, 7, 7
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}, { /* 444 XQ */
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2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 3,
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2, 2, 2, 2, 2, 2, 3, 3,
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2, 2, 2, 2, 2, 3, 3, 3,
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2, 2, 2, 2, 3, 3, 3, 4,
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2, 2, 2, 2, 3, 3, 4, 4,
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}
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};
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static const uint8_t QMAT_CHROMA[6][64] = {
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{
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4, 7, 9, 11, 13, 14, 63, 63,
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7, 7, 11, 12, 14, 63, 63, 63,
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9, 11, 13, 14, 63, 63, 63, 63,
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11, 11, 13, 14, 63, 63, 63, 63,
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11, 13, 14, 63, 63, 63, 63, 63,
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13, 14, 63, 63, 63, 63, 63, 63,
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13, 63, 63, 63, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 63, 63, 63
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}, {
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4, 5, 6, 7, 9, 11, 13, 15,
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5, 5, 7, 8, 11, 13, 15, 17,
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6, 7, 9, 11, 13, 15, 15, 17,
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7, 7, 9, 11, 13, 15, 17, 19,
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7, 9, 11, 13, 14, 16, 19, 23,
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9, 11, 13, 14, 16, 19, 23, 29,
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9, 11, 13, 15, 17, 21, 28, 35,
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11, 13, 16, 17, 21, 28, 35, 41
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}, {
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4, 4, 5, 5, 6, 7, 7, 9,
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4, 4, 5, 6, 7, 7, 9, 9,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 6, 7, 7, 8, 9, 10, 12,
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6, 7, 7, 8, 9, 10, 12, 15,
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6, 7, 7, 9, 10, 11, 14, 17,
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7, 7, 9, 10, 11, 14, 17, 21
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}, {
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 5,
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4, 4, 4, 4, 4, 4, 5, 5,
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4, 4, 4, 4, 4, 5, 5, 6,
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4, 4, 4, 4, 5, 5, 6, 7,
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4, 4, 4, 4, 5, 6, 7, 7
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}, { /* 444 */
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 5,
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4, 4, 4, 4, 4, 4, 5, 5,
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4, 4, 4, 4, 4, 5, 5, 6,
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4, 4, 4, 4, 5, 5, 6, 7,
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4, 4, 4, 4, 5, 6, 7, 7
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}, { /* 444 xq */
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 5,
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4, 4, 4, 4, 4, 4, 5, 5,
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4, 4, 4, 4, 4, 5, 5, 6,
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4, 4, 4, 4, 5, 5, 6, 7,
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4, 4, 4, 4, 5, 6, 7, 7
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}
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};
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typedef struct {
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AVClass *class;
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FDCTDSPContext fdsp;
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uint8_t* fill_y;
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uint8_t* fill_u;
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uint8_t* fill_v;
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uint8_t* fill_a;
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int qmat_luma[16][64];
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int qmat_chroma[16][64];
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const uint8_t *scantable;
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int is_422;
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int need_alpha;
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int is_interlaced;
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char *vendor;
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} ProresContext;
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static void encode_codeword(PutBitContext *pb, int val, int codebook)
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{
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unsigned int rice_order, exp_order, switch_bits, first_exp, exp, zeros;
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/* number of bits to switch between rice and exp golomb */
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switch_bits = codebook & 3;
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rice_order = codebook >> 5;
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exp_order = (codebook >> 2) & 7;
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first_exp = ((switch_bits + 1) << rice_order);
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if (val >= first_exp) { /* exp golomb */
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val -= first_exp;
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val += (1 << exp_order);
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exp = av_log2(val);
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zeros = exp - exp_order + switch_bits + 1;
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put_bits(pb, zeros, 0);
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put_bits(pb, exp + 1, val);
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} else if (rice_order) {
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put_bits(pb, (val >> rice_order), 0);
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put_bits(pb, 1, 1);
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put_sbits(pb, rice_order, val);
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} else {
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put_bits(pb, val, 0);
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put_bits(pb, 1, 1);
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}
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}
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#define QSCALE(qmat,ind,val) ((val) / ((qmat)[ind]))
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#define TO_GOLOMB(val) (((val) * 2) ^ ((val) >> 31))
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#define DIFF_SIGN(val, sign) (((val) >> 31) ^ (sign))
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#define IS_NEGATIVE(val) ((((val) >> 31) ^ -1) + 1)
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#define TO_GOLOMB2(val,sign) ((val)==0 ? 0 : ((val) << 1) + (sign))
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static av_always_inline int get_level(int val)
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{
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int sign = (val >> 31);
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return (val ^ sign) - sign;
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}
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#define FIRST_DC_CB 0xB8
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static const uint8_t dc_codebook[7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70};
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static void encode_dc_coeffs(PutBitContext *pb, int16_t *in,
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int blocks_per_slice, int *qmat)
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{
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int prev_dc, code;
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int i, sign, idx;
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int new_dc, delta, diff_sign, new_code;
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prev_dc = QSCALE(qmat, 0, in[0] - 16384);
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code = TO_GOLOMB(prev_dc);
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encode_codeword(pb, code, FIRST_DC_CB);
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code = 5; sign = 0; idx = 64;
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for (i = 1; i < blocks_per_slice; i++, idx += 64) {
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new_dc = QSCALE(qmat, 0, in[idx] - 16384);
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delta = new_dc - prev_dc;
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diff_sign = DIFF_SIGN(delta, sign);
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new_code = TO_GOLOMB2(get_level(delta), diff_sign);
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encode_codeword(pb, new_code, dc_codebook[FFMIN(code, 6)]);
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code = new_code;
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sign = delta >> 31;
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prev_dc = new_dc;
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}
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}
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static const uint8_t run_to_cb[16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29,
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0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C };
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static const uint8_t lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28,
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0x28, 0x28, 0x28, 0x4C };
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static void encode_ac_coeffs(PutBitContext *pb,
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int16_t *in, int blocks_per_slice, int *qmat, const uint8_t ff_prores_scan[64])
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{
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int prev_run = 4;
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int prev_level = 2;
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int run = 0, level, code, i, j;
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for (i = 1; i < 64; i++) {
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int indp = ff_prores_scan[i];
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for (j = 0; j < blocks_per_slice; j++) {
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int val = QSCALE(qmat, indp, in[(j << 6) + indp]);
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if (val) {
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encode_codeword(pb, run, run_to_cb[FFMIN(prev_run, 15)]);
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prev_run = run;
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run = 0;
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level = get_level(val);
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code = level - 1;
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encode_codeword(pb, code, lev_to_cb[FFMIN(prev_level, 9)]);
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prev_level = level;
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put_bits(pb, 1, IS_NEGATIVE(val));
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} else {
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++run;
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}
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}
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}
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}
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static void get(uint8_t *pixels, int stride, int16_t* block)
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{
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int i;
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for (i = 0; i < 8; i++) {
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AV_WN64(block, AV_RN64(pixels));
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AV_WN64(block+4, AV_RN64(pixels+8));
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pixels += stride;
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block += 8;
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}
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}
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static void fdct_get(FDCTDSPContext *fdsp, uint8_t *pixels, int stride, int16_t* block)
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{
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get(pixels, stride, block);
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fdsp->fdct(block);
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}
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static void calc_plane_dct(FDCTDSPContext *fdsp, uint8_t *src, int16_t * blocks, int src_stride, int mb_count, int chroma, int is_422)
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{
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int16_t *block;
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int i;
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block = blocks;
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if (!chroma) { /* Luma plane */
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for (i = 0; i < mb_count; i++) {
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fdct_get(fdsp, src, src_stride, block + (0 << 6));
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fdct_get(fdsp, src + 16, src_stride, block + (1 << 6));
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fdct_get(fdsp, src + 8 * src_stride, src_stride, block + (2 << 6));
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fdct_get(fdsp, src + 16 + 8 * src_stride, src_stride, block + (3 << 6));
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block += 256;
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src += 32;
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}
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} else if (chroma && is_422){ /* chroma plane 422 */
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for (i = 0; i < mb_count; i++) {
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fdct_get(fdsp, src, src_stride, block + (0 << 6));
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fdct_get(fdsp, src + 8 * src_stride, src_stride, block + (1 << 6));
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block += (256 >> 1);
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src += (32 >> 1);
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}
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} else { /* chroma plane 444 */
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for (i = 0; i < mb_count; i++) {
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fdct_get(fdsp, src, src_stride, block + (0 << 6));
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fdct_get(fdsp, src + 8 * src_stride, src_stride, block + (1 << 6));
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fdct_get(fdsp, src + 16, src_stride, block + (2 << 6));
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fdct_get(fdsp, src + 16 + 8 * src_stride, src_stride, block + (3 << 6));
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block += 256;
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src += 32;
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}
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}
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}
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static int encode_slice_plane(int16_t *blocks, int mb_count, uint8_t *buf, unsigned buf_size, int *qmat, int sub_sample_chroma,
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const uint8_t ff_prores_scan[64])
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{
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int blocks_per_slice;
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PutBitContext pb;
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blocks_per_slice = mb_count << (2 - sub_sample_chroma);
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init_put_bits(&pb, buf, buf_size);
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encode_dc_coeffs(&pb, blocks, blocks_per_slice, qmat);
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encode_ac_coeffs(&pb, blocks, blocks_per_slice, qmat, ff_prores_scan);
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flush_put_bits(&pb);
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return put_bits_ptr(&pb) - pb.buf;
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}
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static av_always_inline unsigned encode_slice_data(AVCodecContext *avctx,
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int16_t * blocks_y, int16_t * blocks_u, int16_t * blocks_v,
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unsigned mb_count, uint8_t *buf, unsigned data_size,
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unsigned* y_data_size, unsigned* u_data_size, unsigned* v_data_size,
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int qp)
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{
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ProresContext* ctx = avctx->priv_data;
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*y_data_size = encode_slice_plane(blocks_y, mb_count,
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buf, data_size, ctx->qmat_luma[qp - 1], 0, ctx->scantable);
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if (!(avctx->flags & AV_CODEC_FLAG_GRAY)) {
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*u_data_size = encode_slice_plane(blocks_u, mb_count, buf + *y_data_size, data_size - *y_data_size,
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ctx->qmat_chroma[qp - 1], ctx->is_422, ctx->scantable);
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*v_data_size = encode_slice_plane(blocks_v, mb_count, buf + *y_data_size + *u_data_size,
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data_size - *y_data_size - *u_data_size,
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ctx->qmat_chroma[qp - 1], ctx->is_422, ctx->scantable);
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}
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return *y_data_size + *u_data_size + *v_data_size;
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}
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static void put_alpha_diff(PutBitContext *pb, int cur, int prev)
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{
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const int abits = 16;
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const int dbits = 7;
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const int dsize = 1 << dbits - 1;
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int diff = cur - prev;
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diff = av_mod_uintp2(diff, abits);
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if (diff >= (1 << abits) - dsize)
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diff -= 1 << abits;
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if (diff < -dsize || diff > dsize || !diff) {
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put_bits(pb, 1, 1);
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put_bits(pb, abits, diff);
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} else {
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put_bits(pb, 1, 0);
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put_bits(pb, dbits - 1, FFABS(diff) - 1);
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put_bits(pb, 1, diff < 0);
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}
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}
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static inline void put_alpha_run(PutBitContext *pb, int run)
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{
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if (run) {
|
|
put_bits(pb, 1, 0);
|
|
if (run < 0x10)
|
|
put_bits(pb, 4, run);
|
|
else
|
|
put_bits(pb, 15, run);
|
|
} else {
|
|
put_bits(pb, 1, 1);
|
|
}
|
|
}
|
|
|
|
static av_always_inline int encode_alpha_slice_data(AVCodecContext *avctx, int8_t * src_a,
|
|
unsigned mb_count, uint8_t *buf, unsigned data_size, unsigned* a_data_size)
|
|
{
|
|
const int abits = 16;
|
|
const int mask = (1 << abits) - 1;
|
|
const int num_coeffs = mb_count * 256;
|
|
int prev = mask, cur;
|
|
int idx = 0;
|
|
int run = 0;
|
|
int16_t * blocks = (int16_t *)src_a;
|
|
PutBitContext pb;
|
|
init_put_bits(&pb, buf, data_size);
|
|
|
|
cur = blocks[idx++];
|
|
put_alpha_diff(&pb, cur, prev);
|
|
prev = cur;
|
|
do {
|
|
cur = blocks[idx++];
|
|
if (cur != prev) {
|
|
put_alpha_run (&pb, run);
|
|
put_alpha_diff(&pb, cur, prev);
|
|
prev = cur;
|
|
run = 0;
|
|
} else {
|
|
run++;
|
|
}
|
|
} while (idx < num_coeffs);
|
|
if (run)
|
|
put_alpha_run(&pb, run);
|
|
flush_put_bits(&pb);
|
|
*a_data_size = put_bits_count(&pb) >> 3;
|
|
|
|
if (put_bits_left(&pb) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Underestimated required buffer size.\n");
|
|
return AVERROR_BUG;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline void subimage_with_fill_template(uint16_t *src, unsigned x, unsigned y,
|
|
unsigned stride, unsigned width, unsigned height, uint16_t *dst,
|
|
unsigned dst_width, unsigned dst_height, int is_alpha_plane,
|
|
int is_interlaced, int is_top_field)
|
|
{
|
|
int box_width = FFMIN(width - x, dst_width);
|
|
int i, j, src_stride, box_height;
|
|
uint16_t last_pix, *last_line;
|
|
|
|
if (!is_interlaced) {
|
|
src_stride = stride >> 1;
|
|
src += y * src_stride + x;
|
|
box_height = FFMIN(height - y, dst_height);
|
|
} else {
|
|
src_stride = stride; /* 2 lines stride */
|
|
src += y * src_stride + x;
|
|
box_height = FFMIN(height/2 - y, dst_height);
|
|
if (!is_top_field)
|
|
src += stride >> 1;
|
|
}
|
|
|
|
for (i = 0; i < box_height; ++i) {
|
|
for (j = 0; j < box_width; ++j) {
|
|
if (!is_alpha_plane) {
|
|
dst[j] = src[j];
|
|
} else {
|
|
dst[j] = src[j] << 6; /* alpha 10b to 16b */
|
|
}
|
|
}
|
|
if (!is_alpha_plane) {
|
|
last_pix = dst[j - 1];
|
|
} else {
|
|
last_pix = dst[j - 1] << 6; /* alpha 10b to 16b */
|
|
}
|
|
for (; j < dst_width; j++)
|
|
dst[j] = last_pix;
|
|
src += src_stride;
|
|
dst += dst_width;
|
|
}
|
|
last_line = dst - dst_width;
|
|
for (; i < dst_height; i++) {
|
|
for (j = 0; j < dst_width; ++j) {
|
|
dst[j] = last_line[j];
|
|
}
|
|
dst += dst_width;
|
|
}
|
|
}
|
|
|
|
static void subimage_with_fill(uint16_t *src, unsigned x, unsigned y,
|
|
unsigned stride, unsigned width, unsigned height, uint16_t *dst,
|
|
unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
|
|
{
|
|
subimage_with_fill_template(src, x, y, stride, width, height, dst, dst_width, dst_height, 0, is_interlaced, is_top_field);
|
|
}
|
|
|
|
/* reorganize alpha data and convert 10b -> 16b */
|
|
static void subimage_alpha_with_fill(uint16_t *src, unsigned x, unsigned y,
|
|
unsigned stride, unsigned width, unsigned height, uint16_t *dst,
|
|
unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
|
|
{
|
|
subimage_with_fill_template(src, x, y, stride, width, height, dst, dst_width, dst_height, 1, is_interlaced, is_top_field);
|
|
}
|
|
|
|
static int encode_slice(AVCodecContext *avctx, const AVFrame *pic, int mb_x,
|
|
int mb_y, unsigned mb_count, uint8_t *buf, unsigned data_size,
|
|
int unsafe, int *qp, int is_interlaced, int is_top_field)
|
|
{
|
|
int luma_stride, chroma_stride, alpha_stride = 0;
|
|
ProresContext* ctx = avctx->priv_data;
|
|
int hdr_size = 6 + (ctx->need_alpha * 2); /* v data size is write when there is alpha */
|
|
int ret = 0, slice_size;
|
|
uint8_t *dest_y, *dest_u, *dest_v;
|
|
unsigned y_data_size = 0, u_data_size = 0, v_data_size = 0, a_data_size = 0;
|
|
FDCTDSPContext *fdsp = &ctx->fdsp;
|
|
int tgt_bits = (mb_count * bitrate_table[avctx->profile]) >> 2;
|
|
int low_bytes = (tgt_bits - (tgt_bits >> 3)) >> 3; // 12% bitrate fluctuation
|
|
int high_bytes = (tgt_bits + (tgt_bits >> 3)) >> 3;
|
|
|
|
LOCAL_ALIGNED(16, int16_t, blocks_y, [DEFAULT_SLICE_MB_WIDTH << 8]);
|
|
LOCAL_ALIGNED(16, int16_t, blocks_u, [DEFAULT_SLICE_MB_WIDTH << 8]);
|
|
LOCAL_ALIGNED(16, int16_t, blocks_v, [DEFAULT_SLICE_MB_WIDTH << 8]);
|
|
|
|
luma_stride = pic->linesize[0];
|
|
chroma_stride = pic->linesize[1];
|
|
|
|
if (ctx->need_alpha)
|
|
alpha_stride = pic->linesize[3];
|
|
|
|
if (!is_interlaced) {
|
|
dest_y = pic->data[0] + (mb_y << 4) * luma_stride + (mb_x << 5);
|
|
dest_u = pic->data[1] + (mb_y << 4) * chroma_stride + (mb_x << (5 - ctx->is_422));
|
|
dest_v = pic->data[2] + (mb_y << 4) * chroma_stride + (mb_x << (5 - ctx->is_422));
|
|
} else {
|
|
dest_y = pic->data[0] + (mb_y << 4) * luma_stride * 2 + (mb_x << 5);
|
|
dest_u = pic->data[1] + (mb_y << 4) * chroma_stride * 2 + (mb_x << (5 - ctx->is_422));
|
|
dest_v = pic->data[2] + (mb_y << 4) * chroma_stride * 2 + (mb_x << (5 - ctx->is_422));
|
|
if (!is_top_field){ /* bottom field, offset dest */
|
|
dest_y += luma_stride;
|
|
dest_u += chroma_stride;
|
|
dest_v += chroma_stride;
|
|
}
|
|
}
|
|
|
|
if (unsafe) {
|
|
subimage_with_fill((uint16_t *) pic->data[0], mb_x << 4, mb_y << 4,
|
|
luma_stride, avctx->width, avctx->height,
|
|
(uint16_t *) ctx->fill_y, mb_count << 4, 16, is_interlaced, is_top_field);
|
|
subimage_with_fill((uint16_t *) pic->data[1], mb_x << (4 - ctx->is_422), mb_y << 4,
|
|
chroma_stride, avctx->width >> ctx->is_422, avctx->height,
|
|
(uint16_t *) ctx->fill_u, mb_count << (4 - ctx->is_422), 16, is_interlaced, is_top_field);
|
|
subimage_with_fill((uint16_t *) pic->data[2], mb_x << (4 - ctx->is_422), mb_y << 4,
|
|
chroma_stride, avctx->width >> ctx->is_422, avctx->height,
|
|
(uint16_t *) ctx->fill_v, mb_count << (4 - ctx->is_422), 16, is_interlaced, is_top_field);
|
|
|
|
/* no need for interlaced special case, data already reorganized in subimage_with_fill */
|
|
calc_plane_dct(fdsp, ctx->fill_y, blocks_y, mb_count << 5, mb_count, 0, 0);
|
|
calc_plane_dct(fdsp, ctx->fill_u, blocks_u, mb_count << (5 - ctx->is_422), mb_count, 1, ctx->is_422);
|
|
calc_plane_dct(fdsp, ctx->fill_v, blocks_v, mb_count << (5 - ctx->is_422), mb_count, 1, ctx->is_422);
|
|
|
|
slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
|
|
mb_count, buf + hdr_size, data_size - hdr_size,
|
|
&y_data_size, &u_data_size, &v_data_size,
|
|
*qp);
|
|
} else {
|
|
if (!is_interlaced) {
|
|
calc_plane_dct(fdsp, dest_y, blocks_y, luma_stride, mb_count, 0, 0);
|
|
calc_plane_dct(fdsp, dest_u, blocks_u, chroma_stride, mb_count, 1, ctx->is_422);
|
|
calc_plane_dct(fdsp, dest_v, blocks_v, chroma_stride, mb_count, 1, ctx->is_422);
|
|
} else {
|
|
calc_plane_dct(fdsp, dest_y, blocks_y, luma_stride * 2, mb_count, 0, 0);
|
|
calc_plane_dct(fdsp, dest_u, blocks_u, chroma_stride * 2, mb_count, 1, ctx->is_422);
|
|
calc_plane_dct(fdsp, dest_v, blocks_v, chroma_stride * 2, mb_count, 1, ctx->is_422);
|
|
}
|
|
|
|
slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
|
|
mb_count, buf + hdr_size, data_size - hdr_size,
|
|
&y_data_size, &u_data_size, &v_data_size,
|
|
*qp);
|
|
|
|
if (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]) {
|
|
do {
|
|
*qp += 1;
|
|
slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
|
|
mb_count, buf + hdr_size, data_size - hdr_size,
|
|
&y_data_size, &u_data_size, &v_data_size,
|
|
*qp);
|
|
} while (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]);
|
|
} else if (slice_size < low_bytes && *qp
|
|
> qp_start_table[avctx->profile]) {
|
|
do {
|
|
*qp -= 1;
|
|
slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
|
|
mb_count, buf + hdr_size, data_size - hdr_size,
|
|
&y_data_size, &u_data_size, &v_data_size,
|
|
*qp);
|
|
} while (slice_size < low_bytes && *qp > qp_start_table[avctx->profile]);
|
|
}
|
|
}
|
|
|
|
buf[0] = hdr_size << 3;
|
|
buf[1] = *qp;
|
|
AV_WB16(buf + 2, y_data_size);
|
|
AV_WB16(buf + 4, u_data_size);
|
|
|
|
if (ctx->need_alpha) {
|
|
AV_WB16(buf + 6, v_data_size); /* write v data size only if there is alpha */
|
|
|
|
subimage_alpha_with_fill((uint16_t *) pic->data[3], mb_x << 4, mb_y << 4,
|
|
alpha_stride, avctx->width, avctx->height,
|
|
(uint16_t *) ctx->fill_a, mb_count << 4, 16, is_interlaced, is_top_field);
|
|
ret = encode_alpha_slice_data(avctx, ctx->fill_a, mb_count,
|
|
buf + hdr_size + slice_size,
|
|
data_size - hdr_size - slice_size, &a_data_size);
|
|
}
|
|
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
return hdr_size + y_data_size + u_data_size + v_data_size + a_data_size;
|
|
}
|
|
|
|
static int prores_encode_picture(AVCodecContext *avctx, const AVFrame *pic,
|
|
uint8_t *buf, const int buf_size, const int picture_index, const int is_top_field)
|
|
{
|
|
ProresContext *ctx = avctx->priv_data;
|
|
int mb_width = (avctx->width + 15) >> 4;
|
|
int hdr_size, sl_size, i;
|
|
int mb_y, sl_data_size, qp, mb_height, picture_height, unsafe_mb_height_limit;
|
|
int unsafe_bot, unsafe_right;
|
|
uint8_t *sl_data, *sl_data_sizes;
|
|
int slice_per_line = 0, rem = mb_width;
|
|
|
|
if (!ctx->is_interlaced) { /* progressive encoding */
|
|
mb_height = (avctx->height + 15) >> 4;
|
|
unsafe_mb_height_limit = mb_height;
|
|
} else {
|
|
if (is_top_field) {
|
|
picture_height = (avctx->height + 1) / 2;
|
|
} else {
|
|
picture_height = avctx->height / 2;
|
|
}
|
|
mb_height = (picture_height + 15) >> 4;
|
|
unsafe_mb_height_limit = mb_height;
|
|
}
|
|
|
|
for (i = av_log2(DEFAULT_SLICE_MB_WIDTH); i >= 0; --i) {
|
|
slice_per_line += rem >> i;
|
|
rem &= (1 << i) - 1;
|
|
}
|
|
|
|
qp = qp_start_table[avctx->profile];
|
|
hdr_size = 8; sl_data_size = buf_size - hdr_size;
|
|
sl_data_sizes = buf + hdr_size;
|
|
sl_data = sl_data_sizes + (slice_per_line * mb_height * 2);
|
|
for (mb_y = 0; mb_y < mb_height; mb_y++) {
|
|
int mb_x = 0;
|
|
int slice_mb_count = DEFAULT_SLICE_MB_WIDTH;
|
|
while (mb_x < mb_width) {
|
|
while (mb_width - mb_x < slice_mb_count)
|
|
slice_mb_count >>= 1;
|
|
|
|
unsafe_bot = (avctx->height & 0xf) && (mb_y == unsafe_mb_height_limit - 1);
|
|
unsafe_right = (avctx->width & 0xf) && (mb_x + slice_mb_count == mb_width);
|
|
|
|
sl_size = encode_slice(avctx, pic, mb_x, mb_y, slice_mb_count,
|
|
sl_data, sl_data_size, unsafe_bot || unsafe_right, &qp, ctx->is_interlaced, is_top_field);
|
|
if (sl_size < 0){
|
|
return sl_size;
|
|
}
|
|
|
|
bytestream_put_be16(&sl_data_sizes, sl_size);
|
|
sl_data += sl_size;
|
|
sl_data_size -= sl_size;
|
|
mb_x += slice_mb_count;
|
|
}
|
|
}
|
|
|
|
buf[0] = hdr_size << 3;
|
|
AV_WB32(buf + 1, sl_data - buf);
|
|
AV_WB16(buf + 5, slice_per_line * mb_height); /* picture size */
|
|
buf[7] = av_log2(DEFAULT_SLICE_MB_WIDTH) << 4; /* number of slices */
|
|
|
|
return sl_data - buf;
|
|
}
|
|
|
|
static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *pict, int *got_packet)
|
|
{
|
|
ProresContext *ctx = avctx->priv_data;
|
|
int header_size = 148;
|
|
uint8_t *buf;
|
|
int compress_frame_size, pic_size, ret, is_top_field_first = 0;
|
|
uint8_t frame_flags;
|
|
int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + AV_INPUT_BUFFER_MIN_SIZE; //FIXME choose tighter limit
|
|
|
|
|
|
if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
|
|
return ret;
|
|
|
|
buf = pkt->data;
|
|
compress_frame_size = 8 + header_size;
|
|
|
|
bytestream_put_be32(&buf, compress_frame_size);/* frame size will be update after picture(s) encoding */
|
|
bytestream_put_buffer(&buf, "icpf", 4);
|
|
|
|
bytestream_put_be16(&buf, header_size);
|
|
bytestream_put_be16(&buf, 0); /* version */
|
|
bytestream_put_buffer(&buf, ctx->vendor, 4);
|
|
bytestream_put_be16(&buf, avctx->width);
|
|
bytestream_put_be16(&buf, avctx->height);
|
|
frame_flags = 0x82; /* 422 not interlaced */
|
|
if (avctx->profile >= FF_PROFILE_PRORES_4444) /* 4444 or 4444 Xq */
|
|
frame_flags |= 0x40; /* 444 chroma */
|
|
if (ctx->is_interlaced) {
|
|
if (pict->top_field_first || !pict->interlaced_frame) { /* tff frame or progressive frame interpret as tff */
|
|
av_log(avctx, AV_LOG_DEBUG, "use interlaced encoding, top field first\n");
|
|
frame_flags |= 0x04; /* interlaced tff */
|
|
is_top_field_first = 1;
|
|
} else {
|
|
av_log(avctx, AV_LOG_DEBUG, "use interlaced encoding, bottom field first\n");
|
|
frame_flags |= 0x08; /* interlaced bff */
|
|
}
|
|
} else {
|
|
av_log(avctx, AV_LOG_DEBUG, "use progressive encoding\n");
|
|
}
|
|
*buf++ = frame_flags;
|
|
*buf++ = 0; /* reserved */
|
|
/* only write color properties, if valid value. set to unspecified otherwise */
|
|
*buf++ = ff_int_from_list_or_default(avctx, "frame color primaries", pict->color_primaries, valid_primaries, 0);
|
|
*buf++ = ff_int_from_list_or_default(avctx, "frame color trc", pict->color_trc, valid_trc, 0);
|
|
*buf++ = ff_int_from_list_or_default(avctx, "frame colorspace", pict->colorspace, valid_colorspace, 0);
|
|
if (avctx->profile >= FF_PROFILE_PRORES_4444) {
|
|
if (avctx->pix_fmt == AV_PIX_FMT_YUV444P10) {
|
|
*buf++ = 0xA0;/* src b64a and no alpha */
|
|
} else {
|
|
*buf++ = 0xA2;/* src b64a and 16b alpha */
|
|
}
|
|
} else {
|
|
*buf++ = 32;/* src v210 and no alpha */
|
|
}
|
|
*buf++ = 0; /* reserved */
|
|
*buf++ = 3; /* luma and chroma matrix present */
|
|
|
|
bytestream_put_buffer(&buf, QMAT_LUMA[avctx->profile], 64);
|
|
bytestream_put_buffer(&buf, QMAT_CHROMA[avctx->profile], 64);
|
|
|
|
pic_size = prores_encode_picture(avctx, pict, buf,
|
|
pkt->size - compress_frame_size, 0, is_top_field_first);/* encode progressive or first field */
|
|
if (pic_size < 0) {
|
|
return pic_size;
|
|
}
|
|
compress_frame_size += pic_size;
|
|
|
|
if (ctx->is_interlaced) { /* encode second field */
|
|
pic_size = prores_encode_picture(avctx, pict, pkt->data + compress_frame_size,
|
|
pkt->size - compress_frame_size, 1, !is_top_field_first);
|
|
if (pic_size < 0) {
|
|
return pic_size;
|
|
}
|
|
compress_frame_size += pic_size;
|
|
}
|
|
|
|
AV_WB32(pkt->data, compress_frame_size);/* update frame size */
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
pkt->size = compress_frame_size;
|
|
*got_packet = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void scale_mat(const uint8_t* src, int* dst, int scale)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 64; i++)
|
|
dst[i] = src[i] * scale;
|
|
}
|
|
|
|
static av_cold int prores_encode_init(AVCodecContext *avctx)
|
|
{
|
|
int i;
|
|
ProresContext* ctx = avctx->priv_data;
|
|
|
|
avctx->bits_per_raw_sample = 10;
|
|
ctx->need_alpha = 0;
|
|
ctx->is_interlaced = !!(avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT);
|
|
if (ctx->is_interlaced) {
|
|
ctx->scantable = ff_prores_interlaced_scan;
|
|
} else {
|
|
ctx->scantable = ff_prores_progressive_scan;
|
|
}
|
|
|
|
if (avctx->width & 0x1) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"frame width needs to be multiple of 2\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->width > 65534 || avctx->height > 65535) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"The maximum dimensions are 65534x65535\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (strlen(ctx->vendor) != 4) {
|
|
av_log(avctx, AV_LOG_ERROR, "vendor ID should be 4 bytes\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->profile == FF_PROFILE_UNKNOWN) {
|
|
if (avctx->pix_fmt == AV_PIX_FMT_YUV422P10) {
|
|
avctx->profile = FF_PROFILE_PRORES_STANDARD;
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"encoding with ProRes standard (apcn) profile\n");
|
|
} else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P10) {
|
|
avctx->profile = FF_PROFILE_PRORES_4444;
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"encoding with ProRes 4444 (ap4h) profile\n");
|
|
} else if (avctx->pix_fmt == AV_PIX_FMT_YUVA444P10) {
|
|
avctx->profile = FF_PROFILE_PRORES_4444;
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"encoding with ProRes 4444+ (ap4h) profile\n");
|
|
} else {
|
|
av_log(avctx, AV_LOG_ERROR, "Unknown pixel format\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
} else if (avctx->profile < FF_PROFILE_PRORES_PROXY
|
|
|| avctx->profile > FF_PROFILE_PRORES_XQ) {
|
|
av_log(
|
|
avctx,
|
|
AV_LOG_ERROR,
|
|
"unknown profile %d, use [0 - apco, 1 - apcs, 2 - apcn (default), 3 - apch, 4 - ap4h, 5 - ap4x]\n",
|
|
avctx->profile);
|
|
return AVERROR(EINVAL);
|
|
} else if ((avctx->pix_fmt == AV_PIX_FMT_YUV422P10) && (avctx->profile > FF_PROFILE_PRORES_HQ)){
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"encoding with ProRes 444/Xq (ap4h/ap4x) profile, need YUV444P10 input\n");
|
|
return AVERROR(EINVAL);
|
|
} else if ((avctx->pix_fmt == AV_PIX_FMT_YUV444P10 || avctx->pix_fmt == AV_PIX_FMT_YUVA444P10)
|
|
&& (avctx->profile < FF_PROFILE_PRORES_4444)){
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"encoding with ProRes Proxy/LT/422/422 HQ (apco, apcs, apcn, ap4h) profile, need YUV422P10 input\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->profile < FF_PROFILE_PRORES_4444) { /* 422 versions */
|
|
ctx->is_422 = 1;
|
|
if ((avctx->height & 0xf) || (avctx->width & 0xf)) {
|
|
ctx->fill_y = av_malloc(4 * (DEFAULT_SLICE_MB_WIDTH << 8));
|
|
if (!ctx->fill_y)
|
|
return AVERROR(ENOMEM);
|
|
ctx->fill_u = ctx->fill_y + (DEFAULT_SLICE_MB_WIDTH << 9);
|
|
ctx->fill_v = ctx->fill_u + (DEFAULT_SLICE_MB_WIDTH << 8);
|
|
}
|
|
} else { /* 444 */
|
|
ctx->is_422 = 0;
|
|
if ((avctx->height & 0xf) || (avctx->width & 0xf)) {
|
|
ctx->fill_y = av_malloc(3 * (DEFAULT_SLICE_MB_WIDTH << 9));
|
|
if (!ctx->fill_y)
|
|
return AVERROR(ENOMEM);
|
|
ctx->fill_u = ctx->fill_y + (DEFAULT_SLICE_MB_WIDTH << 9);
|
|
ctx->fill_v = ctx->fill_u + (DEFAULT_SLICE_MB_WIDTH << 9);
|
|
}
|
|
if (avctx->pix_fmt == AV_PIX_FMT_YUVA444P10) {
|
|
ctx->need_alpha = 1;
|
|
ctx->fill_a = av_malloc(DEFAULT_SLICE_MB_WIDTH << 9); /* 8 blocks x 16px x 16px x sizeof (uint16) */
|
|
if (!ctx->fill_a)
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
}
|
|
|
|
ff_fdctdsp_init(&ctx->fdsp, avctx);
|
|
|
|
avctx->codec_tag = AV_RL32((const uint8_t*)profiles[avctx->profile].name);
|
|
|
|
for (i = 1; i <= 16; i++) {
|
|
scale_mat(QMAT_LUMA[avctx->profile] , ctx->qmat_luma[i - 1] , i);
|
|
scale_mat(QMAT_CHROMA[avctx->profile], ctx->qmat_chroma[i - 1], i);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int prores_encode_close(AVCodecContext *avctx)
|
|
{
|
|
ProresContext* ctx = avctx->priv_data;
|
|
av_freep(&ctx->fill_y);
|
|
av_freep(&ctx->fill_a);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(ProresContext, x)
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
|
|
static const AVOption options[] = {
|
|
{ "vendor", "vendor ID", OFFSET(vendor), AV_OPT_TYPE_STRING, { .str = "fmpg" }, 0, 0, VE },
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVClass proresaw_enc_class = {
|
|
.class_name = "ProResAw encoder",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
static const AVClass prores_enc_class = {
|
|
.class_name = "ProRes encoder",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
AVCodec ff_prores_aw_encoder = {
|
|
.name = "prores_aw",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Apple ProRes"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_PRORES,
|
|
.priv_data_size = sizeof(ProresContext),
|
|
.init = prores_encode_init,
|
|
.close = prores_encode_close,
|
|
.encode2 = prores_encode_frame,
|
|
.pix_fmts = (const enum AVPixelFormat[]){AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_NONE},
|
|
.capabilities = AV_CODEC_CAP_FRAME_THREADS,
|
|
.priv_class = &proresaw_enc_class,
|
|
.profiles = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
|
|
};
|
|
|
|
AVCodec ff_prores_encoder = {
|
|
.name = "prores",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Apple ProRes"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_PRORES,
|
|
.priv_data_size = sizeof(ProresContext),
|
|
.init = prores_encode_init,
|
|
.close = prores_encode_close,
|
|
.encode2 = prores_encode_frame,
|
|
.pix_fmts = (const enum AVPixelFormat[]){AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_NONE},
|
|
.capabilities = AV_CODEC_CAP_FRAME_THREADS,
|
|
.priv_class = &prores_enc_class,
|
|
.profiles = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
|
|
};
|