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FFmpeg/libavformat/mov_chan.c

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mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
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/*
* Copyright (c) 2011 Justin Ruggles
*
Reinstate proper FFmpeg license for all files.
2013-08-16 00:12:51 +03:00
* This file is part of FFmpeg.
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
*
Reinstate proper FFmpeg license for all files.
2013-08-16 00:12:51 +03:00
* FFmpeg is free software; you can redistribute it and/or
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
Reinstate proper FFmpeg license for all files.
2013-08-16 00:12:51 +03:00
* FFmpeg is distributed in the hope that it will be useful,
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
Reinstate proper FFmpeg license for all files.
2013-08-16 00:12:51 +03:00
* License along with FFmpeg; if not, write to the Free Software
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* mov 'chan' tag reading/writing.
* @author Justin Ruggles
*/
#include <stdint.h>
Include libavutil/channel_layout.h instead of libavutil/audioconvert.h Also reorder some other #include when applicable.
2012-11-10 18:00:00 +03:00
#include "libavutil/channel_layout.h"
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
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#include "libavcodec/avcodec.h"
#include "mov_chan.h"
/**
* Channel Layout Tag
* This tells which channels are present in the audio stream and the order in
* which they appear.
*
* @note We're using the channel layout tag to indicate channel order
* when the value is greater than 0x10000. The Apple documentation has
* some contradictions as to how this is actually supposed to be handled.
*
* Core Audio File Format Spec:
* "The high 16 bits indicates a specific ordering of the channels."
* Core Audio Data Types Reference:
* "These identifiers specify the channels included in a layout but
* do not specify a particular ordering of those channels."
*/
enum MovChannelLayoutTag {
MOV_CH_LAYOUT_UNKNOWN = 0xFFFF0000,
MOV_CH_LAYOUT_USE_DESCRIPTIONS = ( 0 << 16) | 0,
MOV_CH_LAYOUT_USE_BITMAP = ( 1 << 16) | 0,
MOV_CH_LAYOUT_DISCRETEINORDER = (147 << 16) | 0,
MOV_CH_LAYOUT_MONO = (100 << 16) | 1,
MOV_CH_LAYOUT_STEREO = (101 << 16) | 2,
MOV_CH_LAYOUT_STEREOHEADPHONES = (102 << 16) | 2,
MOV_CH_LAYOUT_MATRIXSTEREO = (103 << 16) | 2,
MOV_CH_LAYOUT_MIDSIDE = (104 << 16) | 2,
MOV_CH_LAYOUT_XY = (105 << 16) | 2,
MOV_CH_LAYOUT_BINAURAL = (106 << 16) | 2,
MOV_CH_LAYOUT_AMBISONIC_B_FORMAT = (107 << 16) | 4,
MOV_CH_LAYOUT_QUADRAPHONIC = (108 << 16) | 4,
MOV_CH_LAYOUT_PENTAGONAL = (109 << 16) | 5,
MOV_CH_LAYOUT_HEXAGONAL = (110 << 16) | 6,
MOV_CH_LAYOUT_OCTAGONAL = (111 << 16) | 8,
MOV_CH_LAYOUT_CUBE = (112 << 16) | 8,
MOV_CH_LAYOUT_MPEG_3_0_A = (113 << 16) | 3,
MOV_CH_LAYOUT_MPEG_3_0_B = (114 << 16) | 3,
MOV_CH_LAYOUT_MPEG_4_0_A = (115 << 16) | 4,
MOV_CH_LAYOUT_MPEG_4_0_B = (116 << 16) | 4,
MOV_CH_LAYOUT_MPEG_5_0_A = (117 << 16) | 5,
MOV_CH_LAYOUT_MPEG_5_0_B = (118 << 16) | 5,
MOV_CH_LAYOUT_MPEG_5_0_C = (119 << 16) | 5,
MOV_CH_LAYOUT_MPEG_5_0_D = (120 << 16) | 5,
MOV_CH_LAYOUT_MPEG_5_1_A = (121 << 16) | 6,
MOV_CH_LAYOUT_MPEG_5_1_B = (122 << 16) | 6,
MOV_CH_LAYOUT_MPEG_5_1_C = (123 << 16) | 6,
MOV_CH_LAYOUT_MPEG_5_1_D = (124 << 16) | 6,
MOV_CH_LAYOUT_MPEG_6_1_A = (125 << 16) | 7,
MOV_CH_LAYOUT_MPEG_7_1_A = (126 << 16) | 8,
MOV_CH_LAYOUT_MPEG_7_1_B = (127 << 16) | 8,
MOV_CH_LAYOUT_MPEG_7_1_C = (128 << 16) | 8,
MOV_CH_LAYOUT_EMAGIC_DEFAULT_7_1 = (129 << 16) | 8,
MOV_CH_LAYOUT_SMPTE_DTV = (130 << 16) | 8,
MOV_CH_LAYOUT_ITU_2_1 = (131 << 16) | 3,
MOV_CH_LAYOUT_ITU_2_2 = (132 << 16) | 4,
MOV_CH_LAYOUT_DVD_4 = (133 << 16) | 3,
MOV_CH_LAYOUT_DVD_5 = (134 << 16) | 4,
MOV_CH_LAYOUT_DVD_6 = (135 << 16) | 5,
MOV_CH_LAYOUT_DVD_10 = (136 << 16) | 4,
MOV_CH_LAYOUT_DVD_11 = (137 << 16) | 5,
MOV_CH_LAYOUT_DVD_18 = (138 << 16) | 5,
MOV_CH_LAYOUT_AUDIOUNIT_6_0 = (139 << 16) | 6,
MOV_CH_LAYOUT_AUDIOUNIT_7_0 = (140 << 16) | 7,
MOV_CH_LAYOUT_AUDIOUNIT_7_0_FRONT = (148 << 16) | 7,
MOV_CH_LAYOUT_AAC_6_0 = (141 << 16) | 6,
MOV_CH_LAYOUT_AAC_6_1 = (142 << 16) | 7,
MOV_CH_LAYOUT_AAC_7_0 = (143 << 16) | 7,
MOV_CH_LAYOUT_AAC_OCTAGONAL = (144 << 16) | 8,
MOV_CH_LAYOUT_TMH_10_2_STD = (145 << 16) | 16,
MOV_CH_LAYOUT_TMH_10_2_FULL = (146 << 16) | 21,
MOV_CH_LAYOUT_AC3_1_0_1 = (149 << 16) | 2,
MOV_CH_LAYOUT_AC3_3_0 = (150 << 16) | 3,
MOV_CH_LAYOUT_AC3_3_1 = (151 << 16) | 4,
MOV_CH_LAYOUT_AC3_3_0_1 = (152 << 16) | 4,
MOV_CH_LAYOUT_AC3_2_1_1 = (153 << 16) | 4,
MOV_CH_LAYOUT_AC3_3_1_1 = (154 << 16) | 5,
MOV_CH_LAYOUT_EAC3_6_0_A = (155 << 16) | 6,
MOV_CH_LAYOUT_EAC3_7_0_A = (156 << 16) | 7,
MOV_CH_LAYOUT_EAC3_6_1_A = (157 << 16) | 7,
MOV_CH_LAYOUT_EAC3_6_1_B = (158 << 16) | 7,
MOV_CH_LAYOUT_EAC3_6_1_C = (159 << 16) | 7,
MOV_CH_LAYOUT_EAC3_7_1_A = (160 << 16) | 8,
MOV_CH_LAYOUT_EAC3_7_1_B = (161 << 16) | 8,
MOV_CH_LAYOUT_EAC3_7_1_C = (162 << 16) | 8,
MOV_CH_LAYOUT_EAC3_7_1_D = (163 << 16) | 8,
MOV_CH_LAYOUT_EAC3_7_1_E = (164 << 16) | 8,
MOV_CH_LAYOUT_EAC3_7_1_F = (165 << 16) | 8,
MOV_CH_LAYOUT_EAC3_7_1_G = (166 << 16) | 8,
MOV_CH_LAYOUT_EAC3_7_1_H = (167 << 16) | 8,
MOV_CH_LAYOUT_DTS_3_1 = (168 << 16) | 4,
MOV_CH_LAYOUT_DTS_4_1 = (169 << 16) | 5,
MOV_CH_LAYOUT_DTS_6_0_A = (170 << 16) | 6,
MOV_CH_LAYOUT_DTS_6_0_B = (171 << 16) | 6,
MOV_CH_LAYOUT_DTS_6_0_C = (172 << 16) | 6,
MOV_CH_LAYOUT_DTS_6_1_A = (173 << 16) | 7,
MOV_CH_LAYOUT_DTS_6_1_B = (174 << 16) | 7,
MOV_CH_LAYOUT_DTS_6_1_C = (175 << 16) | 7,
MOV_CH_LAYOUT_DTS_6_1_D = (182 << 16) | 7,
MOV_CH_LAYOUT_DTS_7_0 = (176 << 16) | 7,
MOV_CH_LAYOUT_DTS_7_1 = (177 << 16) | 8,
MOV_CH_LAYOUT_DTS_8_0_A = (178 << 16) | 8,
MOV_CH_LAYOUT_DTS_8_0_B = (179 << 16) | 8,
MOV_CH_LAYOUT_DTS_8_1_A = (180 << 16) | 9,
MOV_CH_LAYOUT_DTS_8_1_B = (181 << 16) | 9,
};
struct MovChannelLayoutMap {
uint32_t tag;
uint64_t layout;
};
static const struct MovChannelLayoutMap mov_ch_layout_map_misc[] = {
{ MOV_CH_LAYOUT_USE_DESCRIPTIONS, 0 },
{ MOV_CH_LAYOUT_USE_BITMAP, 0 },
{ MOV_CH_LAYOUT_DISCRETEINORDER, 0 },
{ MOV_CH_LAYOUT_UNKNOWN, 0 },
{ MOV_CH_LAYOUT_TMH_10_2_STD, 0 }, // L, R, C, Vhc, Lsd, Rsd,
// Ls, Rs, Vhl, Vhr, Lw, Rw,
// Csd, Cs, LFE1, LFE2
{ MOV_CH_LAYOUT_TMH_10_2_FULL, 0 }, // L, R, C, Vhc, Lsd, Rsd,
// Ls, Rs, Vhl, Vhr, Lw, Rw,
// Csd, Cs, LFE1, LFE2, Lc, Rc,
// HI, VI, Haptic
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_1ch[] = {
{ MOV_CH_LAYOUT_MONO, AV_CH_LAYOUT_MONO }, // C
mov: Add missing terminator to mov_ch_layout_map_1ch. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: Libav-stable@libav.org
2012-03-21 19:35:45 +03:00
{ 0, 0 },
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
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};
static const struct MovChannelLayoutMap mov_ch_layout_map_2ch[] = {
{ MOV_CH_LAYOUT_STEREO, AV_CH_LAYOUT_STEREO }, // L, R
{ MOV_CH_LAYOUT_STEREOHEADPHONES, AV_CH_LAYOUT_STEREO }, // L, R
{ MOV_CH_LAYOUT_BINAURAL, AV_CH_LAYOUT_STEREO }, // L, R
{ MOV_CH_LAYOUT_MIDSIDE, AV_CH_LAYOUT_STEREO }, // C, sides
{ MOV_CH_LAYOUT_XY, AV_CH_LAYOUT_STEREO }, // X (left), Y (right)
{ MOV_CH_LAYOUT_MATRIXSTEREO, AV_CH_LAYOUT_STEREO_DOWNMIX }, // Lt, Rt
{ MOV_CH_LAYOUT_AC3_1_0_1, AV_CH_LAYOUT_MONO | // C, LFE
AV_CH_LOW_FREQUENCY },
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_3ch[] = {
{ MOV_CH_LAYOUT_MPEG_3_0_A, AV_CH_LAYOUT_SURROUND }, // L, R, C
{ MOV_CH_LAYOUT_MPEG_3_0_B, AV_CH_LAYOUT_SURROUND }, // C, L, R
{ MOV_CH_LAYOUT_AC3_3_0, AV_CH_LAYOUT_SURROUND }, // L, C, R
{ MOV_CH_LAYOUT_ITU_2_1, AV_CH_LAYOUT_2_1 }, // L, R, Cs
{ MOV_CH_LAYOUT_DVD_4, AV_CH_LAYOUT_2POINT1 }, // L, R, LFE
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_4ch[] = {
{ MOV_CH_LAYOUT_AMBISONIC_B_FORMAT, 0 }, // W, X, Y, Z
{ MOV_CH_LAYOUT_QUADRAPHONIC, AV_CH_LAYOUT_QUAD }, // L, R, Rls, Rrs
{ MOV_CH_LAYOUT_MPEG_4_0_A, AV_CH_LAYOUT_4POINT0 }, // L, R, C, Cs
{ MOV_CH_LAYOUT_MPEG_4_0_B, AV_CH_LAYOUT_4POINT0 }, // C, L, R, Cs
{ MOV_CH_LAYOUT_AC3_3_1, AV_CH_LAYOUT_4POINT0 }, // L, C, R, Cs
{ MOV_CH_LAYOUT_ITU_2_2, AV_CH_LAYOUT_2_2 }, // L, R, Ls, Rs
{ MOV_CH_LAYOUT_DVD_5, AV_CH_LAYOUT_2_1 | // L, R, LFE, Cs
AV_CH_LOW_FREQUENCY },
{ MOV_CH_LAYOUT_AC3_2_1_1, AV_CH_LAYOUT_2_1 | // L, R, Cs, LFE
AV_CH_LOW_FREQUENCY },
{ MOV_CH_LAYOUT_DVD_10, AV_CH_LAYOUT_3POINT1 }, // L, R, C, LFE
{ MOV_CH_LAYOUT_AC3_3_0_1, AV_CH_LAYOUT_3POINT1 }, // L, C, R, LFE
{ MOV_CH_LAYOUT_DTS_3_1, AV_CH_LAYOUT_3POINT1 }, // C, L, R, LFE
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_5ch[] = {
{ MOV_CH_LAYOUT_PENTAGONAL, AV_CH_LAYOUT_5POINT0_BACK }, // L, R, Rls, Rrs, C
{ MOV_CH_LAYOUT_MPEG_5_0_A, AV_CH_LAYOUT_5POINT0 }, // L, R, C, Ls, Rs
{ MOV_CH_LAYOUT_MPEG_5_0_B, AV_CH_LAYOUT_5POINT0 }, // L, R, Ls, Rs, C
{ MOV_CH_LAYOUT_MPEG_5_0_C, AV_CH_LAYOUT_5POINT0 }, // L, C, R, Ls, Rs
{ MOV_CH_LAYOUT_MPEG_5_0_D, AV_CH_LAYOUT_5POINT0 }, // C, L, R, Ls, Rs
{ MOV_CH_LAYOUT_DVD_6, AV_CH_LAYOUT_2_2 | // L, R, LFE, Ls, Rs
AV_CH_LOW_FREQUENCY },
{ MOV_CH_LAYOUT_DVD_18, AV_CH_LAYOUT_2_2 | // L, R, Ls, Rs, LFE
AV_CH_LOW_FREQUENCY },
{ MOV_CH_LAYOUT_DVD_11, AV_CH_LAYOUT_4POINT1 }, // L, R, C, LFE, Cs
{ MOV_CH_LAYOUT_AC3_3_1_1, AV_CH_LAYOUT_4POINT1 }, // L, C, R, Cs, LFE
{ MOV_CH_LAYOUT_DTS_4_1, AV_CH_LAYOUT_4POINT1 }, // C, L, R, Cs, LFE
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_6ch[] = {
{ MOV_CH_LAYOUT_HEXAGONAL, AV_CH_LAYOUT_HEXAGONAL }, // L, R, Rls, Rrs, C, Cs
{ MOV_CH_LAYOUT_DTS_6_0_C, AV_CH_LAYOUT_HEXAGONAL }, // C, Cs, L, R, Rls, Rrs
{ MOV_CH_LAYOUT_MPEG_5_1_A, AV_CH_LAYOUT_5POINT1 }, // L, R, C, LFE, Ls, Rs
{ MOV_CH_LAYOUT_MPEG_5_1_B, AV_CH_LAYOUT_5POINT1 }, // L, R, Ls, Rs, C, LFE
{ MOV_CH_LAYOUT_MPEG_5_1_C, AV_CH_LAYOUT_5POINT1 }, // L, C, R, Ls, Rs, LFE
{ MOV_CH_LAYOUT_MPEG_5_1_D, AV_CH_LAYOUT_5POINT1 }, // C, L, R, Ls, Rs, LFE
{ MOV_CH_LAYOUT_AUDIOUNIT_6_0, AV_CH_LAYOUT_6POINT0 }, // L, R, Ls, Rs, C, Cs
{ MOV_CH_LAYOUT_AAC_6_0, AV_CH_LAYOUT_6POINT0 }, // C, L, R, Ls, Rs, Cs
{ MOV_CH_LAYOUT_EAC3_6_0_A, AV_CH_LAYOUT_6POINT0 }, // L, C, R, Ls, Rs, Cs
{ MOV_CH_LAYOUT_DTS_6_0_A, AV_CH_LAYOUT_6POINT0_FRONT }, // Lc, Rc, L, R, Ls, Rs
{ MOV_CH_LAYOUT_DTS_6_0_B, AV_CH_LAYOUT_5POINT0_BACK | // C, L, R, Rls, Rrs, Ts
AV_CH_TOP_CENTER },
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_7ch[] = {
{ MOV_CH_LAYOUT_MPEG_6_1_A, AV_CH_LAYOUT_6POINT1 }, // L, R, C, LFE, Ls, Rs, Cs
{ MOV_CH_LAYOUT_AAC_6_1, AV_CH_LAYOUT_6POINT1 }, // C, L, R, Ls, Rs, Cs, LFE
{ MOV_CH_LAYOUT_EAC3_6_1_A, AV_CH_LAYOUT_6POINT1 }, // L, C, R, Ls, Rs, LFE, Cs
{ MOV_CH_LAYOUT_DTS_6_1_D, AV_CH_LAYOUT_6POINT1 }, // C, L, R, Ls, Rs, LFE, Cs
{ MOV_CH_LAYOUT_AUDIOUNIT_7_0, AV_CH_LAYOUT_7POINT0 }, // L, R, Ls, Rs, C, Rls, Rrs
{ MOV_CH_LAYOUT_AAC_7_0, AV_CH_LAYOUT_7POINT0 }, // C, L, R, Ls, Rs, Rls, Rrs
{ MOV_CH_LAYOUT_EAC3_7_0_A, AV_CH_LAYOUT_7POINT0 }, // L, C, R, Ls, Rs, Rls, Rrs
{ MOV_CH_LAYOUT_AUDIOUNIT_7_0_FRONT, AV_CH_LAYOUT_7POINT0_FRONT }, // L, R, Ls, Rs, C, Lc, Rc
{ MOV_CH_LAYOUT_DTS_7_0, AV_CH_LAYOUT_7POINT0_FRONT }, // Lc, C, Rc, L, R, Ls, Rs
{ MOV_CH_LAYOUT_EAC3_6_1_B, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Ts
AV_CH_TOP_CENTER },
{ MOV_CH_LAYOUT_EAC3_6_1_C, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Vhc
AV_CH_TOP_FRONT_CENTER },
{ MOV_CH_LAYOUT_DTS_6_1_A, AV_CH_LAYOUT_6POINT1_FRONT }, // Lc, Rc, L, R, Ls, Rs, LFE
{ MOV_CH_LAYOUT_DTS_6_1_B, AV_CH_LAYOUT_5POINT1_BACK | // C, L, R, Rls, Rrs, Ts, LFE
AV_CH_TOP_CENTER },
{ MOV_CH_LAYOUT_DTS_6_1_C, AV_CH_LAYOUT_6POINT1_BACK }, // C, Cs, L, R, Rls, Rrs, LFE
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_8ch[] = {
{ MOV_CH_LAYOUT_OCTAGONAL, AV_CH_LAYOUT_OCTAGONAL }, // L, R, Rls, Rrs, C, Cs, Ls, Rs
{ MOV_CH_LAYOUT_AAC_OCTAGONAL, AV_CH_LAYOUT_OCTAGONAL }, // C, L, R, Ls, Rs, Rls, Rrs, Cs
{ MOV_CH_LAYOUT_CUBE, AV_CH_LAYOUT_QUAD | // L, R, Rls, Rrs, Vhl, Vhr, Rlt, Rrt
AV_CH_TOP_FRONT_LEFT |
AV_CH_TOP_FRONT_RIGHT |
AV_CH_TOP_BACK_LEFT |
AV_CH_TOP_BACK_RIGHT },
{ MOV_CH_LAYOUT_MPEG_7_1_A, AV_CH_LAYOUT_7POINT1_WIDE }, // L, R, C, LFE, Ls, Rs, Lc, Rc
{ MOV_CH_LAYOUT_MPEG_7_1_B, AV_CH_LAYOUT_7POINT1_WIDE }, // C, Lc, Rc, L, R, Ls, Rs, LFE
{ MOV_CH_LAYOUT_EMAGIC_DEFAULT_7_1, AV_CH_LAYOUT_7POINT1_WIDE }, // L, R, Ls, Rs, C, LFE, Lc, Rc
{ MOV_CH_LAYOUT_EAC3_7_1_B, AV_CH_LAYOUT_7POINT1_WIDE }, // L, C, R, Ls, Rs, LFE, Lc, Rc
{ MOV_CH_LAYOUT_DTS_7_1, AV_CH_LAYOUT_7POINT1_WIDE }, // Lc, C, Rc, L, R, Ls, Rs, LFE
{ MOV_CH_LAYOUT_MPEG_7_1_C, AV_CH_LAYOUT_7POINT1 }, // L, R, C, LFE, Ls, Rs, Rls, Rrs
{ MOV_CH_LAYOUT_EAC3_7_1_A, AV_CH_LAYOUT_7POINT1 }, // L, C, R, Ls, Rs, LFE, Rls, Rrs
{ MOV_CH_LAYOUT_SMPTE_DTV, AV_CH_LAYOUT_5POINT1 | // L, R, C, LFE, Ls, Rs, Lt, Rt
AV_CH_LAYOUT_STEREO_DOWNMIX },
{ MOV_CH_LAYOUT_EAC3_7_1_C, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Lsd, Rsd
AV_CH_SURROUND_DIRECT_LEFT |
AV_CH_SURROUND_DIRECT_RIGHT },
{ MOV_CH_LAYOUT_EAC3_7_1_D, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Lw, Rw
AV_CH_WIDE_LEFT |
AV_CH_WIDE_RIGHT },
{ MOV_CH_LAYOUT_EAC3_7_1_E, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Vhl, Vhr
AV_CH_TOP_FRONT_LEFT |
AV_CH_TOP_FRONT_RIGHT },
{ MOV_CH_LAYOUT_EAC3_7_1_F, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Cs, Ts
AV_CH_BACK_CENTER |
AV_CH_TOP_CENTER },
{ MOV_CH_LAYOUT_EAC3_7_1_G, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Cs, Vhc
AV_CH_BACK_CENTER |
AV_CH_TOP_FRONT_CENTER },
{ MOV_CH_LAYOUT_EAC3_7_1_H, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Ts, Vhc
AV_CH_TOP_CENTER |
AV_CH_TOP_FRONT_CENTER },
{ MOV_CH_LAYOUT_DTS_8_0_A, AV_CH_LAYOUT_2_2 | // Lc, Rc, L, R, Ls, Rs, Rls, Rrs
AV_CH_BACK_LEFT |
AV_CH_BACK_RIGHT |
AV_CH_FRONT_LEFT_OF_CENTER |
AV_CH_FRONT_RIGHT_OF_CENTER },
{ MOV_CH_LAYOUT_DTS_8_0_B, AV_CH_LAYOUT_5POINT0 | // Lc, C, Rc, L, R, Ls, Cs, Rs
AV_CH_FRONT_LEFT_OF_CENTER |
AV_CH_FRONT_RIGHT_OF_CENTER |
AV_CH_BACK_CENTER },
{ 0, 0 },
};
static const struct MovChannelLayoutMap mov_ch_layout_map_9ch[] = {
{ MOV_CH_LAYOUT_DTS_8_1_A, AV_CH_LAYOUT_2_2 | // Lc, Rc, L, R, Ls, Rs, Rls, Rrs, LFE
AV_CH_BACK_LEFT |
AV_CH_BACK_RIGHT |
AV_CH_FRONT_LEFT_OF_CENTER |
AV_CH_FRONT_RIGHT_OF_CENTER |
AV_CH_LOW_FREQUENCY },
{ MOV_CH_LAYOUT_DTS_8_1_B, AV_CH_LAYOUT_7POINT1_WIDE | // Lc, C, Rc, L, R, Ls, Cs, Rs, LFE
AV_CH_BACK_CENTER },
{ 0, 0 },
};
static const struct MovChannelLayoutMap *mov_ch_layout_map[] = {
mov_ch_layout_map_misc,
mov_ch_layout_map_1ch,
mov_ch_layout_map_2ch,
mov_ch_layout_map_3ch,
mov_ch_layout_map_4ch,
mov_ch_layout_map_5ch,
mov_ch_layout_map_6ch,
mov_ch_layout_map_7ch,
mov_ch_layout_map_8ch,
mov_ch_layout_map_9ch,
};
static const enum MovChannelLayoutTag mov_ch_layouts_aac[] = {
MOV_CH_LAYOUT_MONO,
MOV_CH_LAYOUT_STEREO,
MOV_CH_LAYOUT_AC3_1_0_1,
MOV_CH_LAYOUT_MPEG_3_0_B,
MOV_CH_LAYOUT_ITU_2_1,
MOV_CH_LAYOUT_DVD_4,
MOV_CH_LAYOUT_QUADRAPHONIC,
MOV_CH_LAYOUT_MPEG_4_0_B,
MOV_CH_LAYOUT_ITU_2_2,
MOV_CH_LAYOUT_AC3_2_1_1,
MOV_CH_LAYOUT_DTS_3_1,
MOV_CH_LAYOUT_MPEG_5_0_D,
MOV_CH_LAYOUT_DVD_18,
MOV_CH_LAYOUT_DTS_4_1,
MOV_CH_LAYOUT_MPEG_5_1_D,
MOV_CH_LAYOUT_AAC_6_0,
MOV_CH_LAYOUT_DTS_6_0_A,
MOV_CH_LAYOUT_AAC_6_1,
MOV_CH_LAYOUT_AAC_7_0,
MOV_CH_LAYOUT_DTS_6_1_A,
MOV_CH_LAYOUT_AAC_OCTAGONAL,
MOV_CH_LAYOUT_MPEG_7_1_B,
MOV_CH_LAYOUT_DTS_8_0_A,
0,
};
static const enum MovChannelLayoutTag mov_ch_layouts_ac3[] = {
MOV_CH_LAYOUT_MONO,
MOV_CH_LAYOUT_STEREO,
MOV_CH_LAYOUT_AC3_1_0_1,
MOV_CH_LAYOUT_AC3_3_0,
MOV_CH_LAYOUT_ITU_2_1,
MOV_CH_LAYOUT_DVD_4,
MOV_CH_LAYOUT_AC3_3_1,
MOV_CH_LAYOUT_ITU_2_2,
MOV_CH_LAYOUT_AC3_2_1_1,
MOV_CH_LAYOUT_AC3_3_0_1,
MOV_CH_LAYOUT_MPEG_5_0_C,
MOV_CH_LAYOUT_DVD_18,
MOV_CH_LAYOUT_AC3_3_1_1,
MOV_CH_LAYOUT_MPEG_5_1_C,
0,
};
static const enum MovChannelLayoutTag mov_ch_layouts_alac[] = {
MOV_CH_LAYOUT_MONO,
MOV_CH_LAYOUT_STEREO,
MOV_CH_LAYOUT_MPEG_3_0_B,
MOV_CH_LAYOUT_MPEG_4_0_B,
MOV_CH_LAYOUT_MPEG_5_0_D,
MOV_CH_LAYOUT_MPEG_5_1_D,
MOV_CH_LAYOUT_AAC_6_1,
MOV_CH_LAYOUT_MPEG_7_1_B,
0,
};
movenc: Add channel layouts for PCM.
2012-06-24 02:57:56 +03:00
static const enum MovChannelLayoutTag mov_ch_layouts_wav[] = {
MOV_CH_LAYOUT_MONO,
MOV_CH_LAYOUT_STEREO,
MOV_CH_LAYOUT_MATRIXSTEREO,
MOV_CH_LAYOUT_MPEG_3_0_A,
MOV_CH_LAYOUT_QUADRAPHONIC,
MOV_CH_LAYOUT_MPEG_5_0_A,
MOV_CH_LAYOUT_MPEG_5_1_A,
MOV_CH_LAYOUT_MPEG_6_1_A,
MOV_CH_LAYOUT_MPEG_7_1_A,
MOV_CH_LAYOUT_MPEG_7_1_C,
MOV_CH_LAYOUT_SMPTE_DTV,
Fix termination of mov_ch_layouts_wav array lookup Problem found using ASAN. In some case, the ff_mov_get_channel_layout_tag function will not find 0 as termination for lookup in the array mov_ch_layouts_wav. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-19 00:00:23 +03:00
0,
movenc: Add channel layouts for PCM.
2012-06-24 02:57:56 +03:00
};
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
static const struct {
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-05 12:11:04 +03:00
enum AVCodecID codec_id;
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
const enum MovChannelLayoutTag *layouts;
} mov_codec_ch_layouts[] = {
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-05 12:11:04 +03:00
{ AV_CODEC_ID_AAC, mov_ch_layouts_aac },
{ AV_CODEC_ID_AC3, mov_ch_layouts_ac3 },
{ AV_CODEC_ID_ALAC, mov_ch_layouts_alac },
{ AV_CODEC_ID_PCM_U8, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_S8, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_S16LE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_S16BE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_S24LE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_S24BE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_S32LE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_S32BE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_F32LE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_F32BE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_F64LE, mov_ch_layouts_wav },
{ AV_CODEC_ID_PCM_F64BE, mov_ch_layouts_wav },
{ AV_CODEC_ID_NONE, NULL },
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
};
uint64_t ff_mov_get_channel_layout(uint32_t tag, uint32_t bitmap)
{
int i, channels;
const struct MovChannelLayoutMap *layout_map;
mov: Support MOV_CH_LAYOUT_USE_DESCRIPTIONS for labeled descriptions.
2012-01-05 04:42:15 +03:00
/* use ff_mov_get_channel_label() to build a layout instead */
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
if (tag == MOV_CH_LAYOUT_USE_DESCRIPTIONS)
return 0;
/* handle the use of the channel bitmap */
if (tag == MOV_CH_LAYOUT_USE_BITMAP)
return bitmap < 0x40000 ? bitmap : 0;
/* get the layout map based on the channel count for the specified layout tag */
channels = tag & 0xFFFF;
if (channels > 9)
channels = 0;
layout_map = mov_ch_layout_map[channels];
/* find the channel layout for the specified layout tag */
for (i = 0; layout_map[i].tag != 0; i++) {
if (layout_map[i].tag == tag)
break;
}
return layout_map[i].layout;
}
avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer
2012-04-07 19:40:50 +03:00
static uint32_t mov_get_channel_label(uint32_t label)
mov: Support MOV_CH_LAYOUT_USE_DESCRIPTIONS for labeled descriptions.
2012-01-05 04:42:15 +03:00
{
if (label == 0)
return 0;
if (label <= 18)
return 1U << (label - 1);
if (label == 38)
return AV_CH_STEREO_LEFT;
if (label == 39)
return AV_CH_STEREO_RIGHT;
return 0;
}
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-05 12:11:04 +03:00
uint32_t ff_mov_get_channel_layout_tag(enum AVCodecID codec_id,
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
uint64_t channel_layout,
uint32_t *bitmap)
{
int i, j;
uint32_t tag = 0;
const enum MovChannelLayoutTag *layouts = NULL;
/* find the layout list for the specified codec */
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-05 12:11:04 +03:00
for (i = 0; mov_codec_ch_layouts[i].codec_id != AV_CODEC_ID_NONE; i++) {
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
if (mov_codec_ch_layouts[i].codec_id == codec_id)
break;
}
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-05 12:11:04 +03:00
if (mov_codec_ch_layouts[i].codec_id != AV_CODEC_ID_NONE)
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
layouts = mov_codec_ch_layouts[i].layouts;
if (layouts) {
int channels;
const struct MovChannelLayoutMap *layout_map;
/* get the layout map based on the channel count */
channels = av_get_channel_layout_nb_channels(channel_layout);
if (channels > 9)
channels = 0;
layout_map = mov_ch_layout_map[channels];
/* find the layout tag for the specified channel layout */
for (i = 0; layouts[i] != 0; i++) {
mov_chan: Fix operator precedence by adding parentheses Signed-off-by: Martin Storsjö <martin@martin.st>
2012-06-17 02:08:00 +03:00
if ((layouts[i] & 0xFFFF) != channels)
mov: add support for reading and writing the 'chan' tag This implements reading the tag in the demuxer and adds support for writing it in the muxer. Some example channel layout tables for muxing are included for ac3, aac, and alac, but they are not utilized yet.
2011-12-03 21:32:45 +03:00
continue;
for (j = 0; layout_map[j].tag != 0; j++) {
if (layout_map[j].tag == layouts[i] &&
layout_map[j].layout == channel_layout)
break;
}
if (layout_map[j].tag)
break;
}
tag = layouts[i];
}
/* if no tag was found, use channel bitmap as a backup if possible */
if (tag == 0 && channel_layout > 0 && channel_layout < 0x40000) {
tag = MOV_CH_LAYOUT_USE_BITMAP;
*bitmap = (uint32_t)channel_layout;
} else
*bitmap = 0;
/* TODO: set channel descriptions as a secondary backup */
return tag;
}
avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer
2012-04-07 19:40:50 +03:00
mov_chan: Pass a separate AVIOContext for reading This fixes crashes when called from rtpdec_qt, where AVFormatContext->pb is null, a crash present since 3bab7cd128. Signed-off-by: Martin Storsjö <martin@martin.st>
2012-09-06 13:46:37 +03:00
int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st,
int64_t size)
avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer
2012-04-07 19:40:50 +03:00
{
uint32_t layout_tag, bitmap, num_descr, label_mask;
int i;
if (size < 12)
return AVERROR_INVALIDDATA;
layout_tag = avio_rb32(pb);
bitmap = avio_rb32(pb);
num_descr = avio_rb32(pb);
av_dlog(s, "chan: layout=%u bitmap=%u num_descr=%u\n",
layout_tag, bitmap, num_descr);
if (size < 12ULL + num_descr * 20ULL)
return 0;
label_mask = 0;
for (i = 0; i < num_descr; i++) {
uint32_t label;
label = avio_rb32(pb); // mChannelLabel
avio_rb32(pb); // mChannelFlags
avio_rl32(pb); // mCoordinates[0]
avio_rl32(pb); // mCoordinates[1]
avio_rl32(pb); // mCoordinates[2]
Skip chan tag padding. Fixes ticket #1580
2012-08-01 09:33:18 +03:00
size -= 20;
avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer
2012-04-07 19:40:50 +03:00
if (layout_tag == 0) {
uint32_t mask_incr = mov_get_channel_label(label);
if (mask_incr == 0) {
label_mask = 0;
break;
}
label_mask |= mask_incr;
}
}
mov_chan: Only set the channel_layout if setting it to a nonzero value If regularly parsing new chan atoms (as in rtpdec_qt), but the chan atoms don't actually contain any channel layout, don't reset the value that the caller has filled in (by guessing). Signed-off-by: Martin Storsjö <martin@martin.st>
2012-09-07 10:45:16 +03:00
if (layout_tag == 0) {
if (label_mask)
avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer
2012-04-07 19:40:50 +03:00
st->codec->channel_layout = label_mask;
mov_chan: Only set the channel_layout if setting it to a nonzero value If regularly parsing new chan atoms (as in rtpdec_qt), but the chan atoms don't actually contain any channel layout, don't reset the value that the caller has filled in (by guessing). Signed-off-by: Martin Storsjö <martin@martin.st>
2012-09-07 10:45:16 +03:00
} else
avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer
2012-04-07 19:40:50 +03:00
st->codec->channel_layout = ff_mov_get_channel_layout(layout_tag, bitmap);
Skip chan tag padding. Fixes ticket #1580
2012-08-01 09:33:18 +03:00
avio_skip(pb, size - 12);
avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer
2012-04-07 19:40:50 +03:00
return 0;
}
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