| 1 | /* |
| 2 | * MXF muxer |
| 3 | * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com> |
| 4 | * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> |
| 5 | * |
| 6 | * This file is part of FFmpeg. |
| 7 | * |
| 8 | * FFmpeg is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * FFmpeg is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with FFmpeg; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | /* |
| 24 | * References |
| 25 | * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value |
| 26 | * SMPTE 377M MXF File Format Specifications |
| 27 | * SMPTE 379M MXF Generic Container |
| 28 | * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container |
| 29 | * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container |
| 30 | * SMPTE RP210: SMPTE Metadata Dictionary |
| 31 | * SMPTE RP224: Registry of SMPTE Universal Labels |
| 32 | */ |
| 33 | |
| 34 | #include <inttypes.h> |
| 35 | #include <math.h> |
| 36 | #include <time.h> |
| 37 | |
| 38 | #include "libavutil/opt.h" |
| 39 | #include "libavutil/random_seed.h" |
| 40 | #include "libavutil/timecode.h" |
| 41 | #include "libavutil/avassert.h" |
| 42 | #include "libavutil/time_internal.h" |
| 43 | #include "libavcodec/bytestream.h" |
| 44 | #include "libavcodec/dnxhddata.h" |
| 45 | #include "libavcodec/h264.h" |
| 46 | #include "libavcodec/internal.h" |
| 47 | #include "audiointerleave.h" |
| 48 | #include "avformat.h" |
| 49 | #include "avio_internal.h" |
| 50 | #include "internal.h" |
| 51 | #include "mxf.h" |
| 52 | #include "config.h" |
| 53 | |
| 54 | extern AVOutputFormat ff_mxf_d10_muxer; |
| 55 | |
| 56 | #define EDIT_UNITS_PER_BODY 250 |
| 57 | #define KAG_SIZE 512 |
| 58 | |
| 59 | typedef struct { |
| 60 | int local_tag; |
| 61 | UID uid; |
| 62 | } MXFLocalTagPair; |
| 63 | |
| 64 | typedef struct { |
| 65 | uint8_t flags; |
| 66 | uint64_t offset; |
| 67 | unsigned slice_offset; ///< offset of audio slice |
| 68 | uint16_t temporal_ref; |
| 69 | } MXFIndexEntry; |
| 70 | |
| 71 | typedef struct { |
| 72 | AudioInterleaveContext aic; |
| 73 | UID track_essence_element_key; |
| 74 | int index; ///< index in mxf_essence_container_uls table |
| 75 | const UID *codec_ul; |
| 76 | int order; ///< interleaving order if dts are equal |
| 77 | int interlaced; ///< whether picture is interlaced |
| 78 | int field_dominance; ///< tff=1, bff=2 |
| 79 | int component_depth; |
| 80 | int temporal_reordering; |
| 81 | AVRational aspect_ratio; ///< display aspect ratio |
| 82 | int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing |
| 83 | int video_bit_rate; |
| 84 | } MXFStreamContext; |
| 85 | |
| 86 | typedef struct { |
| 87 | UID container_ul; |
| 88 | UID element_ul; |
| 89 | UID codec_ul; |
| 90 | void (*write_desc)(AVFormatContext *, AVStream *); |
| 91 | } MXFContainerEssenceEntry; |
| 92 | |
| 93 | static const struct { |
| 94 | enum AVCodecID id; |
| 95 | int index; |
| 96 | } mxf_essence_mappings[] = { |
| 97 | { AV_CODEC_ID_MPEG2VIDEO, 0 }, |
| 98 | { AV_CODEC_ID_PCM_S24LE, 1 }, |
| 99 | { AV_CODEC_ID_PCM_S16LE, 1 }, |
| 100 | { AV_CODEC_ID_DVVIDEO, 15 }, |
| 101 | { AV_CODEC_ID_DNXHD, 24 }, |
| 102 | { AV_CODEC_ID_JPEG2000, 34 }, |
| 103 | { AV_CODEC_ID_H264, 35 }, |
| 104 | { AV_CODEC_ID_NONE } |
| 105 | }; |
| 106 | |
| 107 | static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st); |
| 108 | static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st); |
| 109 | static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st); |
| 110 | static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st); |
| 111 | static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st); |
| 112 | |
| 113 | static const MXFContainerEssenceEntry mxf_essence_container_uls[] = { |
| 114 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, |
| 115 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 116 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, |
| 117 | mxf_write_mpegvideo_desc }, |
| 118 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 }, |
| 119 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 }, |
| 120 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 121 | mxf_write_aes3_desc }, |
| 122 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, |
| 123 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 }, |
| 124 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 125 | mxf_write_wav_desc }, |
| 126 | // D-10 625/50 PAL 50mb/s |
| 127 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, |
| 128 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
| 129 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, |
| 130 | mxf_write_cdci_desc }, |
| 131 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, |
| 132 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
| 133 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 134 | mxf_write_generic_sound_desc }, |
| 135 | // D-10 525/60 NTSC 50mb/s |
| 136 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, |
| 137 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
| 138 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, |
| 139 | mxf_write_cdci_desc }, |
| 140 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, |
| 141 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
| 142 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 143 | mxf_write_generic_sound_desc }, |
| 144 | // D-10 625/50 PAL 40mb/s |
| 145 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, |
| 146 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
| 147 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, |
| 148 | mxf_write_cdci_desc }, |
| 149 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, |
| 150 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
| 151 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 152 | mxf_write_generic_sound_desc }, |
| 153 | // D-10 525/60 NTSC 40mb/s |
| 154 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, |
| 155 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
| 156 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, |
| 157 | mxf_write_cdci_desc }, |
| 158 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, |
| 159 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
| 160 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 161 | mxf_write_generic_sound_desc }, |
| 162 | // D-10 625/50 PAL 30mb/s |
| 163 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, |
| 164 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
| 165 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, |
| 166 | mxf_write_cdci_desc }, |
| 167 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, |
| 168 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
| 169 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 170 | mxf_write_generic_sound_desc }, |
| 171 | // D-10 525/60 NTSC 30mb/s |
| 172 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, |
| 173 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
| 174 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, |
| 175 | mxf_write_cdci_desc }, |
| 176 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, |
| 177 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
| 178 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
| 179 | mxf_write_generic_sound_desc }, |
| 180 | // DV Unknown |
| 181 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 }, |
| 182 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 183 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 }, |
| 184 | mxf_write_cdci_desc }, |
| 185 | // DV25 525/60 |
| 186 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, |
| 187 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 188 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, |
| 189 | mxf_write_cdci_desc }, |
| 190 | // DV25 625/50 |
| 191 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, |
| 192 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 193 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, |
| 194 | mxf_write_cdci_desc }, |
| 195 | // DV50 525/60 |
| 196 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, |
| 197 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 198 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, |
| 199 | mxf_write_cdci_desc }, |
| 200 | // DV50 625/50 |
| 201 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, |
| 202 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 203 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, |
| 204 | mxf_write_cdci_desc }, |
| 205 | // DV100 1080/60 |
| 206 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, |
| 207 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 208 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, |
| 209 | mxf_write_cdci_desc }, |
| 210 | // DV100 1080/50 |
| 211 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, |
| 212 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 213 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, |
| 214 | mxf_write_cdci_desc }, |
| 215 | // DV100 720/60 |
| 216 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, |
| 217 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 218 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, |
| 219 | mxf_write_cdci_desc }, |
| 220 | // DV100 720/50 |
| 221 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, |
| 222 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| 223 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, |
| 224 | mxf_write_cdci_desc }, |
| 225 | // DNxHD 1080p 10bit high |
| 226 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 227 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 228 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 }, |
| 229 | mxf_write_cdci_desc }, |
| 230 | // DNxHD 1080p 8bit medium |
| 231 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 232 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 233 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 }, |
| 234 | mxf_write_cdci_desc }, |
| 235 | // DNxHD 1080p 8bit high |
| 236 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 237 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 238 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 }, |
| 239 | mxf_write_cdci_desc }, |
| 240 | // DNxHD 1080i 10bit high |
| 241 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 242 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 243 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 }, |
| 244 | mxf_write_cdci_desc }, |
| 245 | // DNxHD 1080i 8bit medium |
| 246 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 247 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 248 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 }, |
| 249 | mxf_write_cdci_desc }, |
| 250 | // DNxHD 1080i 8bit high |
| 251 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 252 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 253 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 }, |
| 254 | mxf_write_cdci_desc }, |
| 255 | // DNxHD 720p 10bit |
| 256 | { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 257 | { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 258 | { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 }, |
| 259 | mxf_write_cdci_desc }, |
| 260 | // DNxHD 720p 8bit high |
| 261 | { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 262 | { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 263 | { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 }, |
| 264 | mxf_write_cdci_desc }, |
| 265 | // DNxHD 720p 8bit medium |
| 266 | { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 267 | { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 268 | { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 }, |
| 269 | mxf_write_cdci_desc }, |
| 270 | // DNxHD 720p 8bit low |
| 271 | { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| 272 | { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 273 | { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 }, |
| 274 | mxf_write_cdci_desc }, |
| 275 | // JPEG2000 |
| 276 | { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, |
| 277 | { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 }, |
| 278 | { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, |
| 279 | mxf_write_cdci_desc }, |
| 280 | // H.264 |
| 281 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, |
| 282 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| 283 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, |
| 284 | mxf_write_mpegvideo_desc }, |
| 285 | { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, |
| 286 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, |
| 287 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, |
| 288 | NULL }, |
| 289 | }; |
| 290 | |
| 291 | typedef struct MXFContext { |
| 292 | AVClass *av_class; |
| 293 | int64_t footer_partition_offset; |
| 294 | int essence_container_count; |
| 295 | AVRational time_base; |
| 296 | int header_written; |
| 297 | MXFIndexEntry *index_entries; |
| 298 | unsigned edit_units_count; |
| 299 | uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8) |
| 300 | uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise) |
| 301 | int last_indexed_edit_unit; |
| 302 | uint64_t *body_partition_offset; |
| 303 | unsigned body_partitions_count; |
| 304 | int last_key_index; ///< index of last key frame |
| 305 | uint64_t duration; |
| 306 | AVTimecode tc; ///< timecode context |
| 307 | AVStream *timecode_track; |
| 308 | int timecode_base; ///< rounded time code base (25 or 30) |
| 309 | int edit_unit_byte_count; ///< fixed edit unit byte count |
| 310 | uint64_t body_offset; |
| 311 | uint32_t instance_number; |
| 312 | uint8_t umid[16]; ///< unique material identifier |
| 313 | int channel_count; |
| 314 | } MXFContext; |
| 315 | |
| 316 | static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd }; |
| 317 | static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 }; |
| 318 | |
| 319 | /** |
| 320 | * complete key for operation pattern, partitions, and primer pack |
| 321 | */ |
| 322 | static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 }; |
| 323 | static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete |
| 324 | static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 }; |
| 325 | static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 }; |
| 326 | static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 }; |
| 327 | static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete |
| 328 | static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete |
| 329 | static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 }; |
| 330 | static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete |
| 331 | |
| 332 | /** |
| 333 | * partial key for header metadata |
| 334 | */ |
| 335 | static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 }; |
| 336 | static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 }; |
| 337 | |
| 338 | /** |
| 339 | * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html |
| 340 | */ |
| 341 | static const MXFLocalTagPair mxf_local_tag_batch[] = { |
| 342 | // preface set |
| 343 | { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */ |
| 344 | { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */ |
| 345 | { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */ |
| 346 | { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */ |
| 347 | { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */ |
| 348 | { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */ |
| 349 | { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */ |
| 350 | { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */ |
| 351 | // Identification |
| 352 | { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */ |
| 353 | { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */ |
| 354 | { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */ |
| 355 | { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */ |
| 356 | { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */ |
| 357 | { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */ |
| 358 | // Content Storage |
| 359 | { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */ |
| 360 | { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */ |
| 361 | // Essence Container Data |
| 362 | { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */ |
| 363 | { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */ |
| 364 | // Package |
| 365 | { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */ |
| 366 | { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */ |
| 367 | { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */ |
| 368 | { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */ |
| 369 | { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */ |
| 370 | // Track |
| 371 | { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */ |
| 372 | { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */ |
| 373 | { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */ |
| 374 | { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */ |
| 375 | { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */ |
| 376 | // Sequence |
| 377 | { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */ |
| 378 | { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */ |
| 379 | { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */ |
| 380 | // Source Clip |
| 381 | { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */ |
| 382 | { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */ |
| 383 | { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */ |
| 384 | // Timecode Component |
| 385 | { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */ |
| 386 | { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */ |
| 387 | { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */ |
| 388 | // File Descriptor |
| 389 | { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */ |
| 390 | { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */ |
| 391 | { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */ |
| 392 | { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */ |
| 393 | // Generic Picture Essence Descriptor |
| 394 | { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */ |
| 395 | { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */ |
| 396 | { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */ |
| 397 | { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */ |
| 398 | { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */ |
| 399 | { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */ |
| 400 | { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */ |
| 401 | { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */ |
| 402 | { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */ |
| 403 | // CDCI Picture Essence Descriptor |
| 404 | { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */ |
| 405 | { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */ |
| 406 | // Generic Sound Essence Descriptor |
| 407 | { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */ |
| 408 | { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */ |
| 409 | { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */ |
| 410 | { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */ |
| 411 | { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */ |
| 412 | // Index Table Segment |
| 413 | { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */ |
| 414 | { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */ |
| 415 | { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */ |
| 416 | { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */ |
| 417 | { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */ |
| 418 | { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */ |
| 419 | { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */ |
| 420 | { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */ |
| 421 | // MPEG video Descriptor |
| 422 | { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */ |
| 423 | { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */ |
| 424 | // Wave Audio Essence Descriptor |
| 425 | { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */ |
| 426 | { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */ |
| 427 | }; |
| 428 | |
| 429 | static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value) |
| 430 | { |
| 431 | avio_write(pb, uuid_base, 12); |
| 432 | avio_wb16(pb, type); |
| 433 | avio_wb16(pb, value); |
| 434 | } |
| 435 | |
| 436 | static void mxf_write_umid(AVFormatContext *s, int type) |
| 437 | { |
| 438 | MXFContext *mxf = s->priv_data; |
| 439 | avio_write(s->pb, umid_ul, 13); |
| 440 | avio_wb24(s->pb, mxf->instance_number); |
| 441 | avio_write(s->pb, mxf->umid, 15); |
| 442 | avio_w8(s->pb, type); |
| 443 | } |
| 444 | |
| 445 | static void mxf_write_refs_count(AVIOContext *pb, int ref_count) |
| 446 | { |
| 447 | avio_wb32(pb, ref_count); |
| 448 | avio_wb32(pb, 16); |
| 449 | } |
| 450 | |
| 451 | static int klv_ber_length(uint64_t len) |
| 452 | { |
| 453 | if (len < 128) |
| 454 | return 1; |
| 455 | else |
| 456 | return (av_log2(len) >> 3) + 2; |
| 457 | } |
| 458 | |
| 459 | static int klv_encode_ber_length(AVIOContext *pb, uint64_t len) |
| 460 | { |
| 461 | // Determine the best BER size |
| 462 | int size; |
| 463 | if (len < 128) { |
| 464 | //short form |
| 465 | avio_w8(pb, len); |
| 466 | return 1; |
| 467 | } |
| 468 | |
| 469 | size = (av_log2(len) >> 3) + 1; |
| 470 | |
| 471 | // long form |
| 472 | avio_w8(pb, 0x80 + size); |
| 473 | while(size) { |
| 474 | size--; |
| 475 | avio_w8(pb, len >> 8 * size & 0xff); |
| 476 | } |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | static void klv_encode_ber4_length(AVIOContext *pb, int len) |
| 481 | { |
| 482 | avio_w8(pb, 0x80 + 3); |
| 483 | avio_wb24(pb, len); |
| 484 | } |
| 485 | |
| 486 | /* |
| 487 | * Get essence container ul index |
| 488 | */ |
| 489 | static int mxf_get_essence_container_ul_index(enum AVCodecID id) |
| 490 | { |
| 491 | int i; |
| 492 | for (i = 0; mxf_essence_mappings[i].id; i++) |
| 493 | if (mxf_essence_mappings[i].id == id) |
| 494 | return mxf_essence_mappings[i].index; |
| 495 | return -1; |
| 496 | } |
| 497 | |
| 498 | static void mxf_write_primer_pack(AVFormatContext *s) |
| 499 | { |
| 500 | AVIOContext *pb = s->pb; |
| 501 | int local_tag_number, i = 0; |
| 502 | |
| 503 | local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch); |
| 504 | |
| 505 | avio_write(pb, primer_pack_key, 16); |
| 506 | klv_encode_ber_length(pb, local_tag_number * 18 + 8); |
| 507 | |
| 508 | avio_wb32(pb, local_tag_number); // local_tag num |
| 509 | avio_wb32(pb, 18); // item size, always 18 according to the specs |
| 510 | |
| 511 | for (i = 0; i < local_tag_number; i++) { |
| 512 | avio_wb16(pb, mxf_local_tag_batch[i].local_tag); |
| 513 | avio_write(pb, mxf_local_tag_batch[i].uid, 16); |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | static void mxf_write_local_tag(AVIOContext *pb, int size, int tag) |
| 518 | { |
| 519 | avio_wb16(pb, tag); |
| 520 | avio_wb16(pb, size); |
| 521 | } |
| 522 | |
| 523 | static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value) |
| 524 | { |
| 525 | avio_write(pb, header_metadata_key, 13); |
| 526 | avio_wb24(pb, value); |
| 527 | } |
| 528 | |
| 529 | static void mxf_free(AVFormatContext *s) |
| 530 | { |
| 531 | int i; |
| 532 | |
| 533 | for (i = 0; i < s->nb_streams; i++) { |
| 534 | AVStream *st = s->streams[i]; |
| 535 | av_freep(&st->priv_data); |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | static const MXFCodecUL *mxf_get_data_definition_ul(int type) |
| 540 | { |
| 541 | const MXFCodecUL *uls = ff_mxf_data_definition_uls; |
| 542 | while (uls->uid[0]) { |
| 543 | if (type == uls->id) |
| 544 | break; |
| 545 | uls++; |
| 546 | } |
| 547 | return uls; |
| 548 | } |
| 549 | |
| 550 | //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors |
| 551 | #define DESCRIPTOR_COUNT(essence_container_count) \ |
| 552 | (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count) |
| 553 | |
| 554 | static void mxf_write_essence_container_refs(AVFormatContext *s) |
| 555 | { |
| 556 | MXFContext *c = s->priv_data; |
| 557 | AVIOContext *pb = s->pb; |
| 558 | int i; |
| 559 | |
| 560 | mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count)); |
| 561 | av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count); |
| 562 | for (i = 0; i < c->essence_container_count; i++) { |
| 563 | MXFStreamContext *sc = s->streams[i]->priv_data; |
| 564 | avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16); |
| 565 | } |
| 566 | |
| 567 | if (c->essence_container_count > 1) |
| 568 | avio_write(pb, multiple_desc_ul, 16); |
| 569 | } |
| 570 | |
| 571 | static void mxf_write_preface(AVFormatContext *s) |
| 572 | { |
| 573 | MXFContext *mxf = s->priv_data; |
| 574 | AVIOContext *pb = s->pb; |
| 575 | |
| 576 | mxf_write_metadata_key(pb, 0x012f00); |
| 577 | PRINT_KEY(s, "preface key", pb->buf_ptr - 16); |
| 578 | klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count)); |
| 579 | |
| 580 | // write preface set uid |
| 581 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 582 | mxf_write_uuid(pb, Preface, 0); |
| 583 | PRINT_KEY(s, "preface uid", pb->buf_ptr - 16); |
| 584 | |
| 585 | // last modified date |
| 586 | mxf_write_local_tag(pb, 8, 0x3B02); |
| 587 | avio_wb64(pb, mxf->timestamp); |
| 588 | |
| 589 | // write version |
| 590 | mxf_write_local_tag(pb, 2, 0x3B05); |
| 591 | avio_wb16(pb, 258); // v1.2 |
| 592 | |
| 593 | // write identification_refs |
| 594 | mxf_write_local_tag(pb, 16 + 8, 0x3B06); |
| 595 | mxf_write_refs_count(pb, 1); |
| 596 | mxf_write_uuid(pb, Identification, 0); |
| 597 | |
| 598 | // write content_storage_refs |
| 599 | mxf_write_local_tag(pb, 16, 0x3B03); |
| 600 | mxf_write_uuid(pb, ContentStorage, 0); |
| 601 | |
| 602 | // operational pattern |
| 603 | mxf_write_local_tag(pb, 16, 0x3B09); |
| 604 | avio_write(pb, op1a_ul, 16); |
| 605 | |
| 606 | // write essence_container_refs |
| 607 | mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A); |
| 608 | mxf_write_essence_container_refs(s); |
| 609 | |
| 610 | // write dm_scheme_refs |
| 611 | mxf_write_local_tag(pb, 8, 0x3B0B); |
| 612 | avio_wb64(pb, 0); |
| 613 | } |
| 614 | |
| 615 | /* |
| 616 | * Write a local tag containing an ascii string as utf-16 |
| 617 | */ |
| 618 | static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value) |
| 619 | { |
| 620 | int i, size = strlen(value); |
| 621 | mxf_write_local_tag(pb, size*2, tag); |
| 622 | for (i = 0; i < size; i++) |
| 623 | avio_wb16(pb, value[i]); |
| 624 | } |
| 625 | |
| 626 | static void mxf_write_identification(AVFormatContext *s) |
| 627 | { |
| 628 | MXFContext *mxf = s->priv_data; |
| 629 | AVIOContext *pb = s->pb; |
| 630 | const char *company = "FFmpeg"; |
| 631 | const char *product = "OP1a Muxer"; |
| 632 | const char *version; |
| 633 | int length; |
| 634 | |
| 635 | mxf_write_metadata_key(pb, 0x013000); |
| 636 | PRINT_KEY(s, "identification key", pb->buf_ptr - 16); |
| 637 | |
| 638 | version = s->flags & AVFMT_FLAG_BITEXACT ? |
| 639 | "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION); |
| 640 | length = 84 + (strlen(company)+strlen(product)+strlen(version))*2; // utf-16 |
| 641 | klv_encode_ber_length(pb, length); |
| 642 | |
| 643 | // write uid |
| 644 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 645 | mxf_write_uuid(pb, Identification, 0); |
| 646 | PRINT_KEY(s, "identification uid", pb->buf_ptr - 16); |
| 647 | |
| 648 | // write generation uid |
| 649 | mxf_write_local_tag(pb, 16, 0x3C09); |
| 650 | mxf_write_uuid(pb, Identification, 1); |
| 651 | |
| 652 | mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name |
| 653 | mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name |
| 654 | mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String |
| 655 | |
| 656 | // write product uid |
| 657 | mxf_write_local_tag(pb, 16, 0x3C05); |
| 658 | mxf_write_uuid(pb, Identification, 2); |
| 659 | |
| 660 | // modification date |
| 661 | mxf_write_local_tag(pb, 8, 0x3C06); |
| 662 | avio_wb64(pb, mxf->timestamp); |
| 663 | } |
| 664 | |
| 665 | static void mxf_write_content_storage(AVFormatContext *s) |
| 666 | { |
| 667 | AVIOContext *pb = s->pb; |
| 668 | |
| 669 | mxf_write_metadata_key(pb, 0x011800); |
| 670 | PRINT_KEY(s, "content storage key", pb->buf_ptr - 16); |
| 671 | klv_encode_ber_length(pb, 92); |
| 672 | |
| 673 | // write uid |
| 674 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 675 | mxf_write_uuid(pb, ContentStorage, 0); |
| 676 | PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16); |
| 677 | |
| 678 | // write package reference |
| 679 | mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901); |
| 680 | mxf_write_refs_count(pb, 2); |
| 681 | mxf_write_uuid(pb, MaterialPackage, 0); |
| 682 | mxf_write_uuid(pb, SourcePackage, 0); |
| 683 | |
| 684 | // write essence container data |
| 685 | mxf_write_local_tag(pb, 8 + 16, 0x1902); |
| 686 | mxf_write_refs_count(pb, 1); |
| 687 | mxf_write_uuid(pb, EssenceContainerData, 0); |
| 688 | } |
| 689 | |
| 690 | static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
| 691 | { |
| 692 | MXFContext *mxf = s->priv_data; |
| 693 | AVIOContext *pb = s->pb; |
| 694 | MXFStreamContext *sc = st->priv_data; |
| 695 | |
| 696 | mxf_write_metadata_key(pb, 0x013b00); |
| 697 | PRINT_KEY(s, "track key", pb->buf_ptr - 16); |
| 698 | klv_encode_ber_length(pb, 80); |
| 699 | |
| 700 | // write track uid |
| 701 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 702 | mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index); |
| 703 | PRINT_KEY(s, "track uid", pb->buf_ptr - 16); |
| 704 | |
| 705 | // write track id |
| 706 | mxf_write_local_tag(pb, 4, 0x4801); |
| 707 | avio_wb32(pb, st->index+2); |
| 708 | |
| 709 | // write track number |
| 710 | mxf_write_local_tag(pb, 4, 0x4804); |
| 711 | if (type == MaterialPackage) |
| 712 | avio_wb32(pb, 0); // track number of material package is 0 |
| 713 | else |
| 714 | avio_write(pb, sc->track_essence_element_key + 12, 4); |
| 715 | |
| 716 | mxf_write_local_tag(pb, 8, 0x4B01); |
| 717 | avio_wb32(pb, mxf->time_base.den); |
| 718 | avio_wb32(pb, mxf->time_base.num); |
| 719 | |
| 720 | // write origin |
| 721 | mxf_write_local_tag(pb, 8, 0x4B02); |
| 722 | avio_wb64(pb, 0); |
| 723 | |
| 724 | // write sequence refs |
| 725 | mxf_write_local_tag(pb, 16, 0x4803); |
| 726 | mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index); |
| 727 | } |
| 728 | |
| 729 | static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 }; |
| 730 | |
| 731 | static void mxf_write_common_fields(AVFormatContext *s, AVStream *st) |
| 732 | { |
| 733 | MXFContext *mxf = s->priv_data; |
| 734 | AVIOContext *pb = s->pb; |
| 735 | |
| 736 | // find data define uls |
| 737 | mxf_write_local_tag(pb, 16, 0x0201); |
| 738 | if (st == mxf->timecode_track) |
| 739 | avio_write(pb, smpte_12m_timecode_track_data_ul, 16); |
| 740 | else { |
| 741 | const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type); |
| 742 | avio_write(pb, data_def_ul->uid, 16); |
| 743 | } |
| 744 | |
| 745 | // write duration |
| 746 | mxf_write_local_tag(pb, 8, 0x0202); |
| 747 | avio_wb64(pb, mxf->duration); |
| 748 | } |
| 749 | |
| 750 | static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
| 751 | { |
| 752 | MXFContext *mxf = s->priv_data; |
| 753 | AVIOContext *pb = s->pb; |
| 754 | enum MXFMetadataSetType component; |
| 755 | |
| 756 | mxf_write_metadata_key(pb, 0x010f00); |
| 757 | PRINT_KEY(s, "sequence key", pb->buf_ptr - 16); |
| 758 | klv_encode_ber_length(pb, 80); |
| 759 | |
| 760 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 761 | mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index); |
| 762 | |
| 763 | PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16); |
| 764 | mxf_write_common_fields(s, st); |
| 765 | |
| 766 | // write structural component |
| 767 | mxf_write_local_tag(pb, 16 + 8, 0x1001); |
| 768 | mxf_write_refs_count(pb, 1); |
| 769 | if (st == mxf->timecode_track) |
| 770 | component = TimecodeComponent; |
| 771 | else |
| 772 | component = SourceClip; |
| 773 | if (type == SourcePackage) |
| 774 | component += TypeBottom; |
| 775 | mxf_write_uuid(pb, component, st->index); |
| 776 | } |
| 777 | |
| 778 | static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
| 779 | { |
| 780 | MXFContext *mxf = s->priv_data; |
| 781 | AVIOContext *pb = s->pb; |
| 782 | |
| 783 | mxf_write_metadata_key(pb, 0x011400); |
| 784 | klv_encode_ber_length(pb, 75); |
| 785 | |
| 786 | // UID |
| 787 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 788 | mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent : |
| 789 | TimecodeComponent + TypeBottom, st->index); |
| 790 | |
| 791 | mxf_write_common_fields(s, st); |
| 792 | |
| 793 | // Start Time Code |
| 794 | mxf_write_local_tag(pb, 8, 0x1501); |
| 795 | avio_wb64(pb, mxf->tc.start); |
| 796 | |
| 797 | // Rounded Time Code Base |
| 798 | mxf_write_local_tag(pb, 2, 0x1502); |
| 799 | avio_wb16(pb, mxf->timecode_base); |
| 800 | |
| 801 | // Drop Frame |
| 802 | mxf_write_local_tag(pb, 1, 0x1503); |
| 803 | avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME)); |
| 804 | } |
| 805 | |
| 806 | static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
| 807 | { |
| 808 | AVIOContext *pb = s->pb; |
| 809 | int i; |
| 810 | |
| 811 | mxf_write_metadata_key(pb, 0x011100); |
| 812 | PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16); |
| 813 | klv_encode_ber_length(pb, 108); |
| 814 | |
| 815 | // write uid |
| 816 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 817 | mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index); |
| 818 | |
| 819 | PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16); |
| 820 | mxf_write_common_fields(s, st); |
| 821 | |
| 822 | // write start_position |
| 823 | mxf_write_local_tag(pb, 8, 0x1201); |
| 824 | avio_wb64(pb, 0); |
| 825 | |
| 826 | // write source package uid, end of the reference |
| 827 | mxf_write_local_tag(pb, 32, 0x1101); |
| 828 | if (type == SourcePackage) { |
| 829 | for (i = 0; i < 4; i++) |
| 830 | avio_wb64(pb, 0); |
| 831 | } else |
| 832 | mxf_write_umid(s, 1); |
| 833 | |
| 834 | // write source track id |
| 835 | mxf_write_local_tag(pb, 4, 0x1102); |
| 836 | if (type == SourcePackage) |
| 837 | avio_wb32(pb, 0); |
| 838 | else |
| 839 | avio_wb32(pb, st->index+2); |
| 840 | } |
| 841 | |
| 842 | static void mxf_write_multi_descriptor(AVFormatContext *s) |
| 843 | { |
| 844 | MXFContext *mxf = s->priv_data; |
| 845 | AVIOContext *pb = s->pb; |
| 846 | const uint8_t *ul; |
| 847 | int i; |
| 848 | |
| 849 | mxf_write_metadata_key(pb, 0x014400); |
| 850 | PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16); |
| 851 | klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams); |
| 852 | |
| 853 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 854 | mxf_write_uuid(pb, MultipleDescriptor, 0); |
| 855 | PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16); |
| 856 | |
| 857 | // write sample rate |
| 858 | mxf_write_local_tag(pb, 8, 0x3001); |
| 859 | avio_wb32(pb, mxf->time_base.den); |
| 860 | avio_wb32(pb, mxf->time_base.num); |
| 861 | |
| 862 | // write essence container ul |
| 863 | mxf_write_local_tag(pb, 16, 0x3004); |
| 864 | if (mxf->essence_container_count > 1) |
| 865 | ul = multiple_desc_ul; |
| 866 | else { |
| 867 | MXFStreamContext *sc = s->streams[0]->priv_data; |
| 868 | ul = mxf_essence_container_uls[sc->index].container_ul; |
| 869 | } |
| 870 | avio_write(pb, ul, 16); |
| 871 | |
| 872 | // write sub descriptor refs |
| 873 | mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01); |
| 874 | mxf_write_refs_count(pb, s->nb_streams); |
| 875 | for (i = 0; i < s->nb_streams; i++) |
| 876 | mxf_write_uuid(pb, SubDescriptor, i); |
| 877 | } |
| 878 | |
| 879 | static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
| 880 | { |
| 881 | MXFContext *mxf = s->priv_data; |
| 882 | MXFStreamContext *sc = st->priv_data; |
| 883 | AVIOContext *pb = s->pb; |
| 884 | |
| 885 | avio_write(pb, key, 16); |
| 886 | klv_encode_ber4_length(pb, size+20+8+12+20); |
| 887 | |
| 888 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 889 | mxf_write_uuid(pb, SubDescriptor, st->index); |
| 890 | |
| 891 | mxf_write_local_tag(pb, 4, 0x3006); |
| 892 | avio_wb32(pb, st->index+2); |
| 893 | |
| 894 | mxf_write_local_tag(pb, 8, 0x3001); |
| 895 | avio_wb32(pb, mxf->time_base.den); |
| 896 | avio_wb32(pb, mxf->time_base.num); |
| 897 | |
| 898 | mxf_write_local_tag(pb, 16, 0x3004); |
| 899 | avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16); |
| 900 | } |
| 901 | |
| 902 | static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }; |
| 903 | static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }; |
| 904 | static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 }; |
| 905 | static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }; |
| 906 | static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }; |
| 907 | |
| 908 | static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
| 909 | { |
| 910 | MXFStreamContext *sc = st->priv_data; |
| 911 | AVIOContext *pb = s->pb; |
| 912 | int stored_height = (st->codec->height+15)/16*16; |
| 913 | int display_height; |
| 914 | int f1, f2; |
| 915 | unsigned desc_size = size+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20; |
| 916 | if (sc->interlaced && sc->field_dominance) |
| 917 | desc_size += 5; |
| 918 | |
| 919 | mxf_write_generic_desc(s, st, key, desc_size); |
| 920 | |
| 921 | mxf_write_local_tag(pb, 4, 0x3203); |
| 922 | avio_wb32(pb, st->codec->width); |
| 923 | |
| 924 | mxf_write_local_tag(pb, 4, 0x3202); |
| 925 | avio_wb32(pb, stored_height>>sc->interlaced); |
| 926 | |
| 927 | mxf_write_local_tag(pb, 4, 0x3209); |
| 928 | avio_wb32(pb, st->codec->width); |
| 929 | |
| 930 | if (st->codec->height == 608) // PAL + VBI |
| 931 | display_height = 576; |
| 932 | else if (st->codec->height == 512) // NTSC + VBI |
| 933 | display_height = 486; |
| 934 | else |
| 935 | display_height = st->codec->height; |
| 936 | |
| 937 | mxf_write_local_tag(pb, 4, 0x3208); |
| 938 | avio_wb32(pb, display_height>>sc->interlaced); |
| 939 | |
| 940 | // component depth |
| 941 | mxf_write_local_tag(pb, 4, 0x3301); |
| 942 | avio_wb32(pb, sc->component_depth); |
| 943 | |
| 944 | // horizontal subsampling |
| 945 | mxf_write_local_tag(pb, 4, 0x3302); |
| 946 | avio_wb32(pb, 2); |
| 947 | |
| 948 | // frame layout |
| 949 | mxf_write_local_tag(pb, 1, 0x320C); |
| 950 | avio_w8(pb, sc->interlaced); |
| 951 | |
| 952 | // video line map |
| 953 | switch (st->codec->height) { |
| 954 | case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break; |
| 955 | case 608: f1 = 7; f2 = 320; break; |
| 956 | case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break; |
| 957 | case 512: f1 = 7; f2 = 270; break; |
| 958 | case 720: f1 = 26; f2 = 0; break; // progressive |
| 959 | case 1080: f1 = 21; f2 = 584; break; |
| 960 | default: f1 = 0; f2 = 0; break; |
| 961 | } |
| 962 | |
| 963 | if (!sc->interlaced) { |
| 964 | f2 = 0; |
| 965 | f1 *= 2; |
| 966 | } |
| 967 | |
| 968 | mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D); |
| 969 | avio_wb32(pb, sc->interlaced ? 2 : 1); |
| 970 | avio_wb32(pb, 4); |
| 971 | avio_wb32(pb, f1); |
| 972 | if (sc->interlaced) |
| 973 | avio_wb32(pb, f2); |
| 974 | |
| 975 | mxf_write_local_tag(pb, 8, 0x320E); |
| 976 | avio_wb32(pb, sc->aspect_ratio.num); |
| 977 | avio_wb32(pb, sc->aspect_ratio.den); |
| 978 | |
| 979 | mxf_write_local_tag(pb, 16, 0x3201); |
| 980 | avio_write(pb, *sc->codec_ul, 16); |
| 981 | |
| 982 | if (sc->interlaced && sc->field_dominance) { |
| 983 | mxf_write_local_tag(pb, 1, 0x3212); |
| 984 | avio_w8(pb, sc->field_dominance); |
| 985 | } |
| 986 | |
| 987 | } |
| 988 | |
| 989 | static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st) |
| 990 | { |
| 991 | mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0); |
| 992 | } |
| 993 | |
| 994 | static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st) |
| 995 | { |
| 996 | AVIOContext *pb = s->pb; |
| 997 | MXFStreamContext *sc = st->priv_data; |
| 998 | int profile_and_level = (st->codec->profile<<4) | st->codec->level; |
| 999 | |
| 1000 | if (st->codec->codec_id != AV_CODEC_ID_H264) { |
| 1001 | mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5); |
| 1002 | |
| 1003 | // bit rate |
| 1004 | mxf_write_local_tag(pb, 4, 0x8000); |
| 1005 | avio_wb32(pb, sc->video_bit_rate); |
| 1006 | |
| 1007 | // profile and level |
| 1008 | mxf_write_local_tag(pb, 1, 0x8007); |
| 1009 | if (!st->codec->profile) |
| 1010 | profile_and_level |= 0x80; // escape bit |
| 1011 | avio_w8(pb, profile_and_level); |
| 1012 | } else { |
| 1013 | mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0); |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
| 1018 | { |
| 1019 | AVIOContext *pb = s->pb; |
| 1020 | MXFContext *mxf = s->priv_data; |
| 1021 | int show_warnings = !mxf->footer_partition_offset; |
| 1022 | |
| 1023 | mxf_write_generic_desc(s, st, key, size+5+12+8+8); |
| 1024 | |
| 1025 | // audio locked |
| 1026 | mxf_write_local_tag(pb, 1, 0x3D02); |
| 1027 | avio_w8(pb, 1); |
| 1028 | |
| 1029 | // write audio sampling rate |
| 1030 | mxf_write_local_tag(pb, 8, 0x3D03); |
| 1031 | avio_wb32(pb, st->codec->sample_rate); |
| 1032 | avio_wb32(pb, 1); |
| 1033 | |
| 1034 | mxf_write_local_tag(pb, 4, 0x3D07); |
| 1035 | if (mxf->channel_count == -1) { |
| 1036 | if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8)) |
| 1037 | av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n"); |
| 1038 | avio_wb32(pb, st->codec->channels); |
| 1039 | } else if (s->oformat == &ff_mxf_d10_muxer) { |
| 1040 | if (show_warnings && (mxf->channel_count < st->codec->channels)) |
| 1041 | av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n"); |
| 1042 | if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8)) |
| 1043 | av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n"); |
| 1044 | avio_wb32(pb, mxf->channel_count); |
| 1045 | } else { |
| 1046 | if (show_warnings && mxf->channel_count != -1) |
| 1047 | av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n"); |
| 1048 | avio_wb32(pb, st->codec->channels); |
| 1049 | } |
| 1050 | |
| 1051 | mxf_write_local_tag(pb, 4, 0x3D01); |
| 1052 | avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id)); |
| 1053 | } |
| 1054 | |
| 1055 | static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
| 1056 | { |
| 1057 | AVIOContext *pb = s->pb; |
| 1058 | |
| 1059 | mxf_write_generic_sound_common(s, st, key, size+6+8); |
| 1060 | |
| 1061 | mxf_write_local_tag(pb, 2, 0x3D0A); |
| 1062 | avio_wb16(pb, st->codec->block_align); |
| 1063 | |
| 1064 | // avg bytes per sec |
| 1065 | mxf_write_local_tag(pb, 4, 0x3D09); |
| 1066 | avio_wb32(pb, st->codec->block_align*st->codec->sample_rate); |
| 1067 | } |
| 1068 | |
| 1069 | static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st) |
| 1070 | { |
| 1071 | mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0); |
| 1072 | } |
| 1073 | |
| 1074 | static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st) |
| 1075 | { |
| 1076 | mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0); |
| 1077 | } |
| 1078 | |
| 1079 | static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st) |
| 1080 | { |
| 1081 | mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0); |
| 1082 | } |
| 1083 | |
| 1084 | static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type) |
| 1085 | { |
| 1086 | MXFContext *mxf = s->priv_data; |
| 1087 | AVIOContext *pb = s->pb; |
| 1088 | int i, track_count = s->nb_streams+1; |
| 1089 | |
| 1090 | if (type == MaterialPackage) { |
| 1091 | mxf_write_metadata_key(pb, 0x013600); |
| 1092 | PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16); |
| 1093 | klv_encode_ber_length(pb, 92 + 16*track_count); |
| 1094 | } else { |
| 1095 | mxf_write_metadata_key(pb, 0x013700); |
| 1096 | PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16); |
| 1097 | klv_encode_ber_length(pb, 112 + 16*track_count); // 20 bytes length for descriptor reference |
| 1098 | } |
| 1099 | |
| 1100 | // write uid |
| 1101 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 1102 | mxf_write_uuid(pb, type, 0); |
| 1103 | av_log(s,AV_LOG_DEBUG, "package type:%d\n", type); |
| 1104 | PRINT_KEY(s, "package uid", pb->buf_ptr - 16); |
| 1105 | |
| 1106 | // write package umid |
| 1107 | mxf_write_local_tag(pb, 32, 0x4401); |
| 1108 | mxf_write_umid(s, type == SourcePackage); |
| 1109 | PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16); |
| 1110 | |
| 1111 | // package creation date |
| 1112 | mxf_write_local_tag(pb, 8, 0x4405); |
| 1113 | avio_wb64(pb, mxf->timestamp); |
| 1114 | |
| 1115 | // package modified date |
| 1116 | mxf_write_local_tag(pb, 8, 0x4404); |
| 1117 | avio_wb64(pb, mxf->timestamp); |
| 1118 | |
| 1119 | // write track refs |
| 1120 | mxf_write_local_tag(pb, track_count*16 + 8, 0x4403); |
| 1121 | mxf_write_refs_count(pb, track_count); |
| 1122 | mxf_write_uuid(pb, type == MaterialPackage ? Track : |
| 1123 | Track + TypeBottom, -1); // timecode track |
| 1124 | for (i = 0; i < s->nb_streams; i++) |
| 1125 | mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i); |
| 1126 | |
| 1127 | // write multiple descriptor reference |
| 1128 | if (type == SourcePackage) { |
| 1129 | mxf_write_local_tag(pb, 16, 0x4701); |
| 1130 | if (s->nb_streams > 1) { |
| 1131 | mxf_write_uuid(pb, MultipleDescriptor, 0); |
| 1132 | mxf_write_multi_descriptor(s); |
| 1133 | } else |
| 1134 | mxf_write_uuid(pb, SubDescriptor, 0); |
| 1135 | } |
| 1136 | |
| 1137 | // write timecode track |
| 1138 | mxf_write_track(s, mxf->timecode_track, type); |
| 1139 | mxf_write_sequence(s, mxf->timecode_track, type); |
| 1140 | mxf_write_timecode_component(s, mxf->timecode_track, type); |
| 1141 | |
| 1142 | for (i = 0; i < s->nb_streams; i++) { |
| 1143 | AVStream *st = s->streams[i]; |
| 1144 | mxf_write_track(s, st, type); |
| 1145 | mxf_write_sequence(s, st, type); |
| 1146 | mxf_write_structural_component(s, st, type); |
| 1147 | |
| 1148 | if (type == SourcePackage) { |
| 1149 | MXFStreamContext *sc = st->priv_data; |
| 1150 | mxf_essence_container_uls[sc->index].write_desc(s, st); |
| 1151 | } |
| 1152 | } |
| 1153 | } |
| 1154 | |
| 1155 | static int mxf_write_essence_container_data(AVFormatContext *s) |
| 1156 | { |
| 1157 | AVIOContext *pb = s->pb; |
| 1158 | |
| 1159 | mxf_write_metadata_key(pb, 0x012300); |
| 1160 | klv_encode_ber_length(pb, 72); |
| 1161 | |
| 1162 | mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID |
| 1163 | mxf_write_uuid(pb, EssenceContainerData, 0); |
| 1164 | |
| 1165 | mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID |
| 1166 | mxf_write_umid(s, 1); |
| 1167 | |
| 1168 | mxf_write_local_tag(pb, 4, 0x3F07); // BodySID |
| 1169 | avio_wb32(pb, 1); |
| 1170 | |
| 1171 | mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID |
| 1172 | avio_wb32(pb, 2); |
| 1173 | |
| 1174 | return 0; |
| 1175 | } |
| 1176 | |
| 1177 | static int mxf_write_header_metadata_sets(AVFormatContext *s) |
| 1178 | { |
| 1179 | mxf_write_preface(s); |
| 1180 | mxf_write_identification(s); |
| 1181 | mxf_write_content_storage(s); |
| 1182 | mxf_write_package(s, MaterialPackage); |
| 1183 | mxf_write_package(s, SourcePackage); |
| 1184 | mxf_write_essence_container_data(s); |
| 1185 | return 0; |
| 1186 | } |
| 1187 | |
| 1188 | static unsigned klv_fill_size(uint64_t size) |
| 1189 | { |
| 1190 | unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1)); |
| 1191 | if (pad < 20) // smallest fill item possible |
| 1192 | return pad + KAG_SIZE; |
| 1193 | else |
| 1194 | return pad & (KAG_SIZE-1); |
| 1195 | } |
| 1196 | |
| 1197 | static void mxf_write_index_table_segment(AVFormatContext *s) |
| 1198 | { |
| 1199 | MXFContext *mxf = s->priv_data; |
| 1200 | AVIOContext *pb = s->pb; |
| 1201 | int i, j, temporal_reordering = 0; |
| 1202 | int key_index = mxf->last_key_index; |
| 1203 | |
| 1204 | av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count); |
| 1205 | |
| 1206 | if (!mxf->edit_units_count && !mxf->edit_unit_byte_count) |
| 1207 | return; |
| 1208 | |
| 1209 | avio_write(pb, index_table_segment_key, 16); |
| 1210 | |
| 1211 | if (mxf->edit_unit_byte_count) { |
| 1212 | klv_encode_ber_length(pb, 80); |
| 1213 | } else { |
| 1214 | klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 + |
| 1215 | 12+mxf->edit_units_count*(11+mxf->slice_count*4LL)); |
| 1216 | } |
| 1217 | |
| 1218 | // instance id |
| 1219 | mxf_write_local_tag(pb, 16, 0x3C0A); |
| 1220 | mxf_write_uuid(pb, IndexTableSegment, 0); |
| 1221 | |
| 1222 | // index edit rate |
| 1223 | mxf_write_local_tag(pb, 8, 0x3F0B); |
| 1224 | avio_wb32(pb, mxf->time_base.den); |
| 1225 | avio_wb32(pb, mxf->time_base.num); |
| 1226 | |
| 1227 | // index start position |
| 1228 | mxf_write_local_tag(pb, 8, 0x3F0C); |
| 1229 | avio_wb64(pb, mxf->last_indexed_edit_unit); |
| 1230 | |
| 1231 | // index duration |
| 1232 | mxf_write_local_tag(pb, 8, 0x3F0D); |
| 1233 | if (mxf->edit_unit_byte_count) |
| 1234 | avio_wb64(pb, 0); // index table covers whole container |
| 1235 | else |
| 1236 | avio_wb64(pb, mxf->edit_units_count); |
| 1237 | |
| 1238 | // edit unit byte count |
| 1239 | mxf_write_local_tag(pb, 4, 0x3F05); |
| 1240 | avio_wb32(pb, mxf->edit_unit_byte_count); |
| 1241 | |
| 1242 | // index sid |
| 1243 | mxf_write_local_tag(pb, 4, 0x3F06); |
| 1244 | avio_wb32(pb, 2); |
| 1245 | |
| 1246 | // body sid |
| 1247 | mxf_write_local_tag(pb, 4, 0x3F07); |
| 1248 | avio_wb32(pb, 1); |
| 1249 | |
| 1250 | if (!mxf->edit_unit_byte_count) { |
| 1251 | // real slice count - 1 |
| 1252 | mxf_write_local_tag(pb, 1, 0x3F08); |
| 1253 | avio_w8(pb, mxf->slice_count); |
| 1254 | |
| 1255 | // delta entry array |
| 1256 | mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09); |
| 1257 | avio_wb32(pb, s->nb_streams+1); // num of entries |
| 1258 | avio_wb32(pb, 6); // size of one entry |
| 1259 | // write system item delta entry |
| 1260 | avio_w8(pb, 0); |
| 1261 | avio_w8(pb, 0); // slice entry |
| 1262 | avio_wb32(pb, 0); // element delta |
| 1263 | for (i = 0; i < s->nb_streams; i++) { |
| 1264 | AVStream *st = s->streams[i]; |
| 1265 | MXFStreamContext *sc = st->priv_data; |
| 1266 | avio_w8(pb, sc->temporal_reordering); |
| 1267 | if (sc->temporal_reordering) |
| 1268 | temporal_reordering = 1; |
| 1269 | if (i == 0) { // video track |
| 1270 | avio_w8(pb, 0); // slice number |
| 1271 | avio_wb32(pb, KAG_SIZE); // system item size including klv fill |
| 1272 | } else { // audio track |
| 1273 | unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size; |
| 1274 | audio_frame_size += klv_fill_size(audio_frame_size); |
| 1275 | avio_w8(pb, 1); |
| 1276 | avio_wb32(pb, (i-1)*audio_frame_size); // element delta |
| 1277 | } |
| 1278 | } |
| 1279 | |
| 1280 | mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A); |
| 1281 | avio_wb32(pb, mxf->edit_units_count); // num of entries |
| 1282 | avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry |
| 1283 | |
| 1284 | for (i = 0; i < mxf->edit_units_count; i++) { |
| 1285 | int temporal_offset = 0; |
| 1286 | |
| 1287 | if (!(mxf->index_entries[i].flags & 0x33)) { // I frame |
| 1288 | mxf->last_key_index = key_index; |
| 1289 | key_index = i; |
| 1290 | } |
| 1291 | |
| 1292 | if (temporal_reordering) { |
| 1293 | int pic_num_in_gop = i - key_index; |
| 1294 | if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) { |
| 1295 | for (j = key_index; j < mxf->edit_units_count; j++) { |
| 1296 | if (pic_num_in_gop == mxf->index_entries[j].temporal_ref) |
| 1297 | break; |
| 1298 | } |
| 1299 | if (j == mxf->edit_units_count) |
| 1300 | av_log(s, AV_LOG_WARNING, "missing frames\n"); |
| 1301 | temporal_offset = j - key_index - pic_num_in_gop; |
| 1302 | } |
| 1303 | } |
| 1304 | avio_w8(pb, temporal_offset); |
| 1305 | |
| 1306 | if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction |
| 1307 | avio_w8(pb, mxf->last_key_index - i); |
| 1308 | } else { |
| 1309 | avio_w8(pb, key_index - i); // key frame offset |
| 1310 | if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward |
| 1311 | mxf->last_key_index = key_index; |
| 1312 | } |
| 1313 | |
| 1314 | if (!(mxf->index_entries[i].flags & 0x33) && // I frame |
| 1315 | mxf->index_entries[i].flags & 0x40 && !temporal_offset) |
| 1316 | mxf->index_entries[i].flags |= 0x80; // random access |
| 1317 | avio_w8(pb, mxf->index_entries[i].flags); |
| 1318 | // stream offset |
| 1319 | avio_wb64(pb, mxf->index_entries[i].offset); |
| 1320 | if (s->nb_streams > 1) |
| 1321 | avio_wb32(pb, mxf->index_entries[i].slice_offset); |
| 1322 | } |
| 1323 | |
| 1324 | mxf->last_key_index = key_index - mxf->edit_units_count; |
| 1325 | mxf->last_indexed_edit_unit += mxf->edit_units_count; |
| 1326 | mxf->edit_units_count = 0; |
| 1327 | } |
| 1328 | } |
| 1329 | |
| 1330 | static void mxf_write_klv_fill(AVFormatContext *s) |
| 1331 | { |
| 1332 | unsigned pad = klv_fill_size(avio_tell(s->pb)); |
| 1333 | if (pad) { |
| 1334 | avio_write(s->pb, klv_fill_key, 16); |
| 1335 | pad -= 16 + 4; |
| 1336 | klv_encode_ber4_length(s->pb, pad); |
| 1337 | ffio_fill(s->pb, 0, pad); |
| 1338 | av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1))); |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | static int mxf_write_partition(AVFormatContext *s, int bodysid, |
| 1343 | int indexsid, |
| 1344 | const uint8_t *key, int write_metadata) |
| 1345 | { |
| 1346 | MXFContext *mxf = s->priv_data; |
| 1347 | AVIOContext *pb = s->pb; |
| 1348 | int64_t header_byte_count_offset; |
| 1349 | unsigned index_byte_count = 0; |
| 1350 | uint64_t partition_offset = avio_tell(pb); |
| 1351 | int err; |
| 1352 | |
| 1353 | if (!mxf->edit_unit_byte_count && mxf->edit_units_count) |
| 1354 | index_byte_count = 85 + 12+(s->nb_streams+1)*6 + |
| 1355 | 12+mxf->edit_units_count*(11+mxf->slice_count*4); |
| 1356 | else if (mxf->edit_unit_byte_count && indexsid) |
| 1357 | index_byte_count = 80; |
| 1358 | |
| 1359 | if (index_byte_count) { |
| 1360 | // add encoded ber length |
| 1361 | index_byte_count += 16 + klv_ber_length(index_byte_count); |
| 1362 | index_byte_count += klv_fill_size(index_byte_count); |
| 1363 | } |
| 1364 | |
| 1365 | if (!memcmp(key, body_partition_key, 16)) { |
| 1366 | if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1, |
| 1367 | sizeof(*mxf->body_partition_offset))) < 0) { |
| 1368 | mxf->body_partitions_count = 0; |
| 1369 | return err; |
| 1370 | } |
| 1371 | mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset; |
| 1372 | } |
| 1373 | |
| 1374 | // write klv |
| 1375 | avio_write(pb, key, 16); |
| 1376 | klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count)); |
| 1377 | |
| 1378 | // write partition value |
| 1379 | avio_wb16(pb, 1); // majorVersion |
| 1380 | avio_wb16(pb, 2); // minorVersion |
| 1381 | avio_wb32(pb, KAG_SIZE); // KAGSize |
| 1382 | |
| 1383 | avio_wb64(pb, partition_offset); // ThisPartition |
| 1384 | |
| 1385 | if (!memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1) |
| 1386 | avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition |
| 1387 | else if (!memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count) |
| 1388 | avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition |
| 1389 | else |
| 1390 | avio_wb64(pb, 0); |
| 1391 | |
| 1392 | avio_wb64(pb, mxf->footer_partition_offset); // footerPartition |
| 1393 | |
| 1394 | // set offset |
| 1395 | header_byte_count_offset = avio_tell(pb); |
| 1396 | avio_wb64(pb, 0); // headerByteCount, update later |
| 1397 | |
| 1398 | // indexTable |
| 1399 | avio_wb64(pb, index_byte_count); // indexByteCount |
| 1400 | avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID |
| 1401 | |
| 1402 | // BodyOffset |
| 1403 | if (bodysid && mxf->edit_units_count && mxf->body_partitions_count) { |
| 1404 | avio_wb64(pb, mxf->body_offset); |
| 1405 | } else |
| 1406 | avio_wb64(pb, 0); |
| 1407 | |
| 1408 | avio_wb32(pb, bodysid); // bodySID |
| 1409 | |
| 1410 | // operational pattern |
| 1411 | avio_write(pb, op1a_ul, 16); |
| 1412 | |
| 1413 | // essence container |
| 1414 | mxf_write_essence_container_refs(s); |
| 1415 | |
| 1416 | if (write_metadata) { |
| 1417 | // mark the start of the headermetadata and calculate metadata size |
| 1418 | int64_t pos, start; |
| 1419 | unsigned header_byte_count; |
| 1420 | |
| 1421 | mxf_write_klv_fill(s); |
| 1422 | start = avio_tell(s->pb); |
| 1423 | mxf_write_primer_pack(s); |
| 1424 | mxf_write_header_metadata_sets(s); |
| 1425 | pos = avio_tell(s->pb); |
| 1426 | header_byte_count = pos - start + klv_fill_size(pos); |
| 1427 | |
| 1428 | // update header_byte_count |
| 1429 | avio_seek(pb, header_byte_count_offset, SEEK_SET); |
| 1430 | avio_wb64(pb, header_byte_count); |
| 1431 | avio_seek(pb, pos, SEEK_SET); |
| 1432 | } |
| 1433 | |
| 1434 | avio_flush(pb); |
| 1435 | |
| 1436 | return 0; |
| 1437 | } |
| 1438 | |
| 1439 | static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, |
| 1440 | AVPacket *pkt) |
| 1441 | { |
| 1442 | MXFContext *mxf = s->priv_data; |
| 1443 | MXFStreamContext *sc = st->priv_data; |
| 1444 | int i, cid; |
| 1445 | uint8_t* header_cid; |
| 1446 | int frame_size = 0; |
| 1447 | |
| 1448 | if (mxf->header_written) |
| 1449 | return 1; |
| 1450 | |
| 1451 | if (pkt->size < 43) |
| 1452 | return -1; |
| 1453 | |
| 1454 | header_cid = pkt->data + 0x28; |
| 1455 | cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3]; |
| 1456 | |
| 1457 | if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0) |
| 1458 | return -1; |
| 1459 | |
| 1460 | switch (cid) { |
| 1461 | case 1235: |
| 1462 | sc->index = 24; |
| 1463 | sc->component_depth = 10; |
| 1464 | break; |
| 1465 | case 1237: |
| 1466 | sc->index = 25; |
| 1467 | break; |
| 1468 | case 1238: |
| 1469 | sc->index = 26; |
| 1470 | break; |
| 1471 | case 1241: |
| 1472 | sc->index = 27; |
| 1473 | sc->component_depth = 10; |
| 1474 | break; |
| 1475 | case 1242: |
| 1476 | sc->index = 28; |
| 1477 | break; |
| 1478 | case 1243: |
| 1479 | sc->index = 29; |
| 1480 | break; |
| 1481 | case 1250: |
| 1482 | sc->index = 30; |
| 1483 | sc->component_depth = 10; |
| 1484 | break; |
| 1485 | case 1251: |
| 1486 | sc->index = 31; |
| 1487 | break; |
| 1488 | case 1252: |
| 1489 | sc->index = 32; |
| 1490 | break; |
| 1491 | case 1253: |
| 1492 | sc->index = 33; |
| 1493 | break; |
| 1494 | default: |
| 1495 | return -1; |
| 1496 | } |
| 1497 | |
| 1498 | sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; |
| 1499 | sc->aspect_ratio = (AVRational){ 16, 9 }; |
| 1500 | |
| 1501 | mxf->edit_unit_byte_count = KAG_SIZE; |
| 1502 | for (i = 0; i < s->nb_streams; i++) { |
| 1503 | AVStream *st = s->streams[i]; |
| 1504 | MXFStreamContext *sc = st->priv_data; |
| 1505 | if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 1506 | mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size; |
| 1507 | mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
| 1508 | } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1509 | mxf->edit_unit_byte_count += 16 + 4 + frame_size; |
| 1510 | mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
| 1511 | } |
| 1512 | } |
| 1513 | |
| 1514 | return 1; |
| 1515 | } |
| 1516 | |
| 1517 | static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
| 1518 | { |
| 1519 | MXFContext *mxf = s->priv_data; |
| 1520 | MXFStreamContext *sc = st->priv_data; |
| 1521 | uint8_t *vs_pack, *vsc_pack; |
| 1522 | int i, ul_index, frame_size, stype, pal; |
| 1523 | |
| 1524 | if (mxf->header_written) |
| 1525 | return 1; |
| 1526 | |
| 1527 | // Check for minimal frame size |
| 1528 | if (pkt->size < 120000) |
| 1529 | return -1; |
| 1530 | |
| 1531 | vs_pack = pkt->data + 80*5 + 48; |
| 1532 | vsc_pack = pkt->data + 80*5 + 53; |
| 1533 | stype = vs_pack[3] & 0x1f; |
| 1534 | pal = (vs_pack[3] >> 5) & 0x1; |
| 1535 | |
| 1536 | if ((vs_pack[2] & 0x07) == 0x02) |
| 1537 | sc->aspect_ratio = (AVRational){ 16, 9 }; |
| 1538 | else |
| 1539 | sc->aspect_ratio = (AVRational){ 4, 3 }; |
| 1540 | |
| 1541 | sc->interlaced = (vsc_pack[3] >> 4) & 0x01; |
| 1542 | // TODO: fix dv encoder to set proper FF/FS value in VSC pack |
| 1543 | // and set field dominance accordingly |
| 1544 | // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6); |
| 1545 | |
| 1546 | switch (stype) { |
| 1547 | case 0x18: // DV100 720p |
| 1548 | ul_index = 6 + pal; |
| 1549 | frame_size = pal ? 288000 : 240000; |
| 1550 | if (sc->interlaced) { |
| 1551 | av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n"); |
| 1552 | sc->interlaced = 0; |
| 1553 | } |
| 1554 | break; |
| 1555 | case 0x14: // DV100 1080i |
| 1556 | ul_index = 4 + pal; |
| 1557 | frame_size = pal ? 576000 : 480000; |
| 1558 | break; |
| 1559 | case 0x04: // DV50 |
| 1560 | ul_index = 2 + pal; |
| 1561 | frame_size = pal ? 288000 : 240000; |
| 1562 | break; |
| 1563 | default: // DV25 |
| 1564 | ul_index = 0 + pal; |
| 1565 | frame_size = pal ? 144000 : 120000; |
| 1566 | } |
| 1567 | |
| 1568 | sc->index = ul_index + 16; |
| 1569 | sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; |
| 1570 | |
| 1571 | mxf->edit_unit_byte_count = KAG_SIZE; |
| 1572 | for (i = 0; i < s->nb_streams; i++) { |
| 1573 | AVStream *st = s->streams[i]; |
| 1574 | MXFStreamContext *sc = st->priv_data; |
| 1575 | if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 1576 | mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size; |
| 1577 | mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
| 1578 | } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1579 | mxf->edit_unit_byte_count += 16 + 4 + frame_size; |
| 1580 | mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
| 1581 | } |
| 1582 | } |
| 1583 | |
| 1584 | return 1; |
| 1585 | } |
| 1586 | |
| 1587 | static const struct { |
| 1588 | UID uid; |
| 1589 | int frame_size; |
| 1590 | int profile; |
| 1591 | uint8_t interlaced; |
| 1592 | } mxf_h264_codec_uls[] = { |
| 1593 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra |
| 1594 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60 |
| 1595 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50 |
| 1596 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30 |
| 1597 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25 |
| 1598 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60 |
| 1599 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50 |
| 1600 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra |
| 1601 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60 |
| 1602 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50 |
| 1603 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30 |
| 1604 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25 |
| 1605 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60 |
| 1606 | {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50 |
| 1607 | }; |
| 1608 | |
| 1609 | static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, |
| 1610 | AVPacket *pkt, MXFIndexEntry *e) |
| 1611 | { |
| 1612 | MXFContext *mxf = s->priv_data; |
| 1613 | MXFStreamContext *sc = st->priv_data; |
| 1614 | static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]); |
| 1615 | const uint8_t *buf = pkt->data; |
| 1616 | const uint8_t *buf_end = pkt->data + pkt->size; |
| 1617 | uint32_t state = -1; |
| 1618 | int extra_size = 512; // support AVC Intra files without SPS/PPS header |
| 1619 | int i, frame_size; |
| 1620 | uint8_t uid_found; |
| 1621 | |
| 1622 | if (pkt->size > extra_size) |
| 1623 | buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header |
| 1624 | |
| 1625 | for (;;) { |
| 1626 | buf = avpriv_find_start_code(buf, buf_end, &state); |
| 1627 | if (buf >= buf_end) |
| 1628 | break; |
| 1629 | --buf; |
| 1630 | switch (state & 0x1f) { |
| 1631 | case NAL_SPS: |
| 1632 | st->codec->profile = buf[1]; |
| 1633 | e->flags |= 0x40; |
| 1634 | break; |
| 1635 | case NAL_PPS: |
| 1636 | if (e->flags & 0x40) { // sequence header present |
| 1637 | e->flags |= 0x80; // random access |
| 1638 | extra_size = 0; |
| 1639 | buf = buf_end; |
| 1640 | } |
| 1641 | break; |
| 1642 | default: |
| 1643 | break; |
| 1644 | } |
| 1645 | } |
| 1646 | |
| 1647 | if (mxf->header_written) |
| 1648 | return 1; |
| 1649 | |
| 1650 | sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD |
| 1651 | sc->component_depth = 10; // AVC Intra is always 10 Bit |
| 1652 | sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0; |
| 1653 | if (sc->interlaced) |
| 1654 | sc->field_dominance = 1; // top field first is mandatory for AVC Intra |
| 1655 | |
| 1656 | uid_found = 0; |
| 1657 | frame_size = pkt->size + extra_size; |
| 1658 | for (i = 0; i < mxf_h264_num_codec_uls; i++) { |
| 1659 | if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) { |
| 1660 | sc->codec_ul = &mxf_h264_codec_uls[i].uid; |
| 1661 | return 1; |
| 1662 | } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) { |
| 1663 | sc->codec_ul = &mxf_h264_codec_uls[i].uid; |
| 1664 | uid_found = 1; |
| 1665 | } |
| 1666 | } |
| 1667 | |
| 1668 | if (!uid_found) { |
| 1669 | av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n"); |
| 1670 | return 0; |
| 1671 | } |
| 1672 | |
| 1673 | return 1; |
| 1674 | } |
| 1675 | |
| 1676 | static const UID mxf_mpeg2_codec_uls[] = { |
| 1677 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame |
| 1678 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP |
| 1679 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame |
| 1680 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP |
| 1681 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame |
| 1682 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP |
| 1683 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame |
| 1684 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP |
| 1685 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame |
| 1686 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP |
| 1687 | }; |
| 1688 | |
| 1689 | static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx) |
| 1690 | { |
| 1691 | int long_gop = avctx->gop_size > 1 || avctx->has_b_frames; |
| 1692 | |
| 1693 | if (avctx->profile == 4) { // Main |
| 1694 | if (avctx->level == 8) // Main |
| 1695 | return &mxf_mpeg2_codec_uls[0+long_gop]; |
| 1696 | else if (avctx->level == 4) // High |
| 1697 | return &mxf_mpeg2_codec_uls[4+long_gop]; |
| 1698 | else if (avctx->level == 6) // High 14 |
| 1699 | return &mxf_mpeg2_codec_uls[8+long_gop]; |
| 1700 | } else if (avctx->profile == 0) { // 422 |
| 1701 | if (avctx->level == 5) // Main |
| 1702 | return &mxf_mpeg2_codec_uls[2+long_gop]; |
| 1703 | else if (avctx->level == 2) // High |
| 1704 | return &mxf_mpeg2_codec_uls[6+long_gop]; |
| 1705 | } |
| 1706 | return NULL; |
| 1707 | } |
| 1708 | |
| 1709 | static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, |
| 1710 | AVPacket *pkt, MXFIndexEntry *e) |
| 1711 | { |
| 1712 | MXFStreamContext *sc = st->priv_data; |
| 1713 | uint32_t c = -1; |
| 1714 | int i; |
| 1715 | |
| 1716 | for(i = 0; i < pkt->size - 4; i++) { |
| 1717 | c = (c<<8) + pkt->data[i]; |
| 1718 | if (c == 0x1b5) { |
| 1719 | if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext |
| 1720 | st->codec->profile = pkt->data[i+1] & 0x07; |
| 1721 | st->codec->level = pkt->data[i+2] >> 4; |
| 1722 | } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext |
| 1723 | sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame |
| 1724 | if (sc->interlaced) |
| 1725 | sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first |
| 1726 | break; |
| 1727 | } |
| 1728 | } else if (c == 0x1b8) { // gop |
| 1729 | if (pkt->data[i+4]>>6 & 0x01) { // closed |
| 1730 | sc->closed_gop = 1; |
| 1731 | if (e->flags & 0x40) // sequence header present |
| 1732 | e->flags |= 0x80; // random access |
| 1733 | } |
| 1734 | } else if (c == 0x1b3) { // seq |
| 1735 | e->flags |= 0x40; |
| 1736 | switch ((pkt->data[i+4]>>4) & 0xf) { |
| 1737 | case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break; |
| 1738 | case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break; |
| 1739 | case 4: sc->aspect_ratio = (AVRational){221,100}; break; |
| 1740 | default: |
| 1741 | av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den, |
| 1742 | st->codec->width, st->codec->height, 1024*1024); |
| 1743 | } |
| 1744 | } else if (c == 0x100) { // pic |
| 1745 | int pict_type = (pkt->data[i+2]>>3) & 0x07; |
| 1746 | e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6); |
| 1747 | if (pict_type == 2) { // P frame |
| 1748 | e->flags |= 0x22; |
| 1749 | sc->closed_gop = 0; // reset closed gop, don't matter anymore |
| 1750 | } else if (pict_type == 3) { // B frame |
| 1751 | if (sc->closed_gop) |
| 1752 | e->flags |= 0x13; // only backward prediction |
| 1753 | else |
| 1754 | e->flags |= 0x33; |
| 1755 | sc->temporal_reordering = -1; |
| 1756 | } else if (!pict_type) { |
| 1757 | av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n"); |
| 1758 | return 0; |
| 1759 | } |
| 1760 | } |
| 1761 | } |
| 1762 | if (s->oformat != &ff_mxf_d10_muxer) |
| 1763 | sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec); |
| 1764 | return !!sc->codec_ul; |
| 1765 | } |
| 1766 | |
| 1767 | static uint64_t mxf_parse_timestamp(time_t timestamp) |
| 1768 | { |
| 1769 | struct tm tmbuf; |
| 1770 | struct tm *time = gmtime_r(×tamp, &tmbuf); |
| 1771 | if (!time) |
| 1772 | return 0; |
| 1773 | return (uint64_t)(time->tm_year+1900) << 48 | |
| 1774 | (uint64_t)(time->tm_mon+1) << 40 | |
| 1775 | (uint64_t) time->tm_mday << 32 | |
| 1776 | time->tm_hour << 24 | |
| 1777 | time->tm_min << 16 | |
| 1778 | time->tm_sec << 8; |
| 1779 | } |
| 1780 | |
| 1781 | static void mxf_gen_umid(AVFormatContext *s) |
| 1782 | { |
| 1783 | MXFContext *mxf = s->priv_data; |
| 1784 | uint32_t seed = av_get_random_seed(); |
| 1785 | uint64_t umid = seed + 0x5294713400000000LL; |
| 1786 | |
| 1787 | AV_WB64(mxf->umid , umid); |
| 1788 | AV_WB64(mxf->umid+8, umid>>8); |
| 1789 | |
| 1790 | mxf->instance_number = seed & 0xFFFFFF; |
| 1791 | } |
| 1792 | |
| 1793 | static int mxf_write_header(AVFormatContext *s) |
| 1794 | { |
| 1795 | MXFContext *mxf = s->priv_data; |
| 1796 | int i, ret; |
| 1797 | uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0}; |
| 1798 | const MXFSamplesPerFrame *spf = NULL; |
| 1799 | AVDictionaryEntry *t; |
| 1800 | int64_t timestamp = 0; |
| 1801 | AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0); |
| 1802 | |
| 1803 | if (!s->nb_streams) |
| 1804 | return -1; |
| 1805 | |
| 1806 | for (i = 0; i < s->nb_streams; i++) { |
| 1807 | AVStream *st = s->streams[i]; |
| 1808 | MXFStreamContext *sc = av_mallocz(sizeof(*sc)); |
| 1809 | if (!sc) |
| 1810 | return AVERROR(ENOMEM); |
| 1811 | st->priv_data = sc; |
| 1812 | |
| 1813 | if ((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) { |
| 1814 | av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n"); |
| 1815 | return -1; |
| 1816 | } |
| 1817 | |
| 1818 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1819 | // TODO: should be avg_frame_rate |
| 1820 | AVRational rate, tbc = st->time_base; |
| 1821 | // Default component depth to 8 |
| 1822 | sc->component_depth = 8; |
| 1823 | mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num; |
| 1824 | spf = ff_mxf_get_samples_per_frame(s, tbc); |
| 1825 | if (!spf) { |
| 1826 | av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n", |
| 1827 | tbc.den, tbc.num); |
| 1828 | return AVERROR(EINVAL); |
| 1829 | } |
| 1830 | mxf->time_base = spf->time_base; |
| 1831 | rate = av_inv_q(mxf->time_base); |
| 1832 | avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den); |
| 1833 | if (!tcr) |
| 1834 | tcr = av_dict_get(st->metadata, "timecode", NULL, 0); |
| 1835 | if (tcr) |
| 1836 | ret = av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s); |
| 1837 | else |
| 1838 | ret = av_timecode_init(&mxf->tc, rate, 0, 0, s); |
| 1839 | if (ret < 0) |
| 1840 | return ret; |
| 1841 | sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate; |
| 1842 | if (s->oformat == &ff_mxf_d10_muxer) { |
| 1843 | if (sc->video_bit_rate == 50000000) { |
| 1844 | if (mxf->time_base.den == 25) sc->index = 3; |
| 1845 | else sc->index = 5; |
| 1846 | } else if (sc->video_bit_rate == 40000000) { |
| 1847 | if (mxf->time_base.den == 25) sc->index = 7; |
| 1848 | else sc->index = 9; |
| 1849 | } else if (sc->video_bit_rate == 30000000) { |
| 1850 | if (mxf->time_base.den == 25) sc->index = 11; |
| 1851 | else sc->index = 13; |
| 1852 | } else { |
| 1853 | av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n"); |
| 1854 | return -1; |
| 1855 | } |
| 1856 | |
| 1857 | mxf->edit_unit_byte_count = KAG_SIZE; // system element |
| 1858 | mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate * |
| 1859 | mxf->time_base.num / (8*mxf->time_base.den); |
| 1860 | mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
| 1861 | mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4; |
| 1862 | mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
| 1863 | } |
| 1864 | } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 1865 | if (st->codec->sample_rate != 48000) { |
| 1866 | av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n"); |
| 1867 | return -1; |
| 1868 | } |
| 1869 | avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate); |
| 1870 | if (s->oformat == &ff_mxf_d10_muxer) { |
| 1871 | if (st->index != 1) { |
| 1872 | av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n"); |
| 1873 | return -1; |
| 1874 | } |
| 1875 | if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE && |
| 1876 | st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) { |
| 1877 | av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n"); |
| 1878 | } |
| 1879 | sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1; |
| 1880 | } else |
| 1881 | mxf->slice_count = 1; |
| 1882 | } |
| 1883 | |
| 1884 | if (!sc->index) { |
| 1885 | sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id); |
| 1886 | if (sc->index == -1) { |
| 1887 | av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, " |
| 1888 | "codec not currently supported in container\n", i); |
| 1889 | return -1; |
| 1890 | } |
| 1891 | } |
| 1892 | |
| 1893 | sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; |
| 1894 | |
| 1895 | memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15); |
| 1896 | sc->track_essence_element_key[15] = present[sc->index]; |
| 1897 | PRINT_KEY(s, "track essence element key", sc->track_essence_element_key); |
| 1898 | |
| 1899 | if (!present[sc->index]) |
| 1900 | mxf->essence_container_count++; |
| 1901 | present[sc->index]++; |
| 1902 | } |
| 1903 | |
| 1904 | if (s->oformat == &ff_mxf_d10_muxer) { |
| 1905 | mxf->essence_container_count = 1; |
| 1906 | } |
| 1907 | |
| 1908 | if (!(s->flags & AVFMT_FLAG_BITEXACT)) |
| 1909 | mxf_gen_umid(s); |
| 1910 | |
| 1911 | for (i = 0; i < s->nb_streams; i++) { |
| 1912 | MXFStreamContext *sc = s->streams[i]->priv_data; |
| 1913 | // update element count |
| 1914 | sc->track_essence_element_key[13] = present[sc->index]; |
| 1915 | if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV |
| 1916 | sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13); |
| 1917 | else |
| 1918 | sc->order = AV_RB32(sc->track_essence_element_key+12); |
| 1919 | } |
| 1920 | |
| 1921 | if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) |
| 1922 | timestamp = ff_iso8601_to_unix_time(t->value); |
| 1923 | if (timestamp) |
| 1924 | mxf->timestamp = mxf_parse_timestamp(timestamp); |
| 1925 | mxf->duration = -1; |
| 1926 | |
| 1927 | mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track)); |
| 1928 | if (!mxf->timecode_track) |
| 1929 | return AVERROR(ENOMEM); |
| 1930 | mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext)); |
| 1931 | if (!mxf->timecode_track->priv_data) |
| 1932 | return AVERROR(ENOMEM); |
| 1933 | mxf->timecode_track->index = -1; |
| 1934 | |
| 1935 | if (!spf) |
| 1936 | spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 }); |
| 1937 | |
| 1938 | if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0) |
| 1939 | return -1; |
| 1940 | |
| 1941 | return 0; |
| 1942 | } |
| 1943 | |
| 1944 | static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 }; |
| 1945 | static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 }; |
| 1946 | |
| 1947 | static void mxf_write_system_item(AVFormatContext *s) |
| 1948 | { |
| 1949 | MXFContext *mxf = s->priv_data; |
| 1950 | AVIOContext *pb = s->pb; |
| 1951 | unsigned frame; |
| 1952 | uint32_t time_code; |
| 1953 | |
| 1954 | frame = mxf->last_indexed_edit_unit + mxf->edit_units_count; |
| 1955 | |
| 1956 | // write system metadata pack |
| 1957 | avio_write(pb, system_metadata_pack_key, 16); |
| 1958 | klv_encode_ber4_length(pb, 57); |
| 1959 | avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present |
| 1960 | avio_w8(pb, 0x04); // content package rate |
| 1961 | avio_w8(pb, 0x00); // content package type |
| 1962 | avio_wb16(pb, 0x00); // channel handle |
| 1963 | avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow |
| 1964 | if (mxf->essence_container_count > 1) |
| 1965 | avio_write(pb, multiple_desc_ul, 16); |
| 1966 | else { |
| 1967 | MXFStreamContext *sc = s->streams[0]->priv_data; |
| 1968 | avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16); |
| 1969 | } |
| 1970 | avio_w8(pb, 0); |
| 1971 | avio_wb64(pb, 0); |
| 1972 | avio_wb64(pb, 0); // creation date/time stamp |
| 1973 | |
| 1974 | avio_w8(pb, 0x81); // SMPTE 12M time code |
| 1975 | time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame); |
| 1976 | avio_wb32(pb, time_code); |
| 1977 | avio_wb32(pb, 0); // binary group data |
| 1978 | avio_wb64(pb, 0); |
| 1979 | |
| 1980 | // write system metadata package set |
| 1981 | avio_write(pb, system_metadata_package_set_key, 16); |
| 1982 | klv_encode_ber4_length(pb, 35); |
| 1983 | avio_w8(pb, 0x83); // UMID |
| 1984 | avio_wb16(pb, 0x20); |
| 1985 | mxf_write_umid(s, 1); |
| 1986 | } |
| 1987 | |
| 1988 | static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
| 1989 | { |
| 1990 | MXFContext *mxf = s->priv_data; |
| 1991 | AVIOContext *pb = s->pb; |
| 1992 | MXFStreamContext *sc = st->priv_data; |
| 1993 | int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num / |
| 1994 | (8*mxf->time_base.den); // frame size |
| 1995 | int pad; |
| 1996 | |
| 1997 | packet_size += 16 + 4; |
| 1998 | packet_size += klv_fill_size(packet_size); |
| 1999 | |
| 2000 | klv_encode_ber4_length(pb, pkt->size); |
| 2001 | avio_write(pb, pkt->data, pkt->size); |
| 2002 | |
| 2003 | // ensure CBR muxing by padding to correct video frame size |
| 2004 | pad = packet_size - pkt->size - 16 - 4; |
| 2005 | if (pad > 20) { |
| 2006 | avio_write(s->pb, klv_fill_key, 16); |
| 2007 | pad -= 16 + 4; |
| 2008 | klv_encode_ber4_length(s->pb, pad); |
| 2009 | ffio_fill(s->pb, 0, pad); |
| 2010 | av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1))); |
| 2011 | } else { |
| 2012 | av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n"); |
| 2013 | ffio_fill(s->pb, 0, pad); |
| 2014 | } |
| 2015 | } |
| 2016 | |
| 2017 | static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
| 2018 | { |
| 2019 | MXFContext *mxf = s->priv_data; |
| 2020 | AVIOContext *pb = s->pb; |
| 2021 | int frame_size = pkt->size / st->codec->block_align; |
| 2022 | uint8_t *samples = pkt->data; |
| 2023 | uint8_t *end = pkt->data + pkt->size; |
| 2024 | int i; |
| 2025 | |
| 2026 | klv_encode_ber4_length(pb, 4 + frame_size*4*8); |
| 2027 | |
| 2028 | avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1)); |
| 2029 | avio_wl16(pb, frame_size); |
| 2030 | avio_w8(pb, (1<<st->codec->channels)-1); |
| 2031 | |
| 2032 | while (samples < end) { |
| 2033 | for (i = 0; i < st->codec->channels; i++) { |
| 2034 | uint32_t sample; |
| 2035 | if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) { |
| 2036 | sample = AV_RL24(samples)<< 4; |
| 2037 | samples += 3; |
| 2038 | } else { |
| 2039 | sample = AV_RL16(samples)<<12; |
| 2040 | samples += 2; |
| 2041 | } |
| 2042 | avio_wl32(pb, sample | i); |
| 2043 | } |
| 2044 | for (; i < 8; i++) |
| 2045 | avio_wl32(pb, i); |
| 2046 | } |
| 2047 | } |
| 2048 | |
| 2049 | static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt) |
| 2050 | { |
| 2051 | MXFContext *mxf = s->priv_data; |
| 2052 | AVIOContext *pb = s->pb; |
| 2053 | AVStream *st = s->streams[pkt->stream_index]; |
| 2054 | MXFStreamContext *sc = st->priv_data; |
| 2055 | MXFIndexEntry ie = {0}; |
| 2056 | int err; |
| 2057 | |
| 2058 | if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) { |
| 2059 | if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count |
| 2060 | + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) { |
| 2061 | mxf->edit_units_count = 0; |
| 2062 | av_log(s, AV_LOG_ERROR, "could not allocate index entries\n"); |
| 2063 | return err; |
| 2064 | } |
| 2065 | } |
| 2066 | |
| 2067 | if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) { |
| 2068 | if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) { |
| 2069 | av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n"); |
| 2070 | return -1; |
| 2071 | } |
| 2072 | } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) { |
| 2073 | if (!mxf_parse_dnxhd_frame(s, st, pkt)) { |
| 2074 | av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n"); |
| 2075 | return -1; |
| 2076 | } |
| 2077 | } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) { |
| 2078 | if (!mxf_parse_dv_frame(s, st, pkt)) { |
| 2079 | av_log(s, AV_LOG_ERROR, "could not get dv profile\n"); |
| 2080 | return -1; |
| 2081 | } |
| 2082 | } else if (st->codec->codec_id == AV_CODEC_ID_H264) { |
| 2083 | if (!mxf_parse_h264_frame(s, st, pkt, &ie)) { |
| 2084 | av_log(s, AV_LOG_ERROR, "could not get h264 profile\n"); |
| 2085 | return -1; |
| 2086 | } |
| 2087 | } |
| 2088 | |
| 2089 | if (!mxf->header_written) { |
| 2090 | if (mxf->edit_unit_byte_count) { |
| 2091 | if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0) |
| 2092 | return err; |
| 2093 | mxf_write_klv_fill(s); |
| 2094 | mxf_write_index_table_segment(s); |
| 2095 | } else { |
| 2096 | if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0) |
| 2097 | return err; |
| 2098 | } |
| 2099 | mxf->header_written = 1; |
| 2100 | } |
| 2101 | |
| 2102 | if (st->index == 0) { |
| 2103 | if (!mxf->edit_unit_byte_count && |
| 2104 | (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) && |
| 2105 | !(ie.flags & 0x33)) { // I frame, Gop start |
| 2106 | mxf_write_klv_fill(s); |
| 2107 | if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0) |
| 2108 | return err; |
| 2109 | mxf_write_klv_fill(s); |
| 2110 | mxf_write_index_table_segment(s); |
| 2111 | } |
| 2112 | |
| 2113 | mxf_write_klv_fill(s); |
| 2114 | mxf_write_system_item(s); |
| 2115 | |
| 2116 | if (!mxf->edit_unit_byte_count) { |
| 2117 | mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset; |
| 2118 | mxf->index_entries[mxf->edit_units_count].flags = ie.flags; |
| 2119 | mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref; |
| 2120 | mxf->body_offset += KAG_SIZE; // size of system element |
| 2121 | } |
| 2122 | mxf->edit_units_count++; |
| 2123 | } else if (!mxf->edit_unit_byte_count && st->index == 1) { |
| 2124 | mxf->index_entries[mxf->edit_units_count-1].slice_offset = |
| 2125 | mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset; |
| 2126 | } |
| 2127 | |
| 2128 | mxf_write_klv_fill(s); |
| 2129 | avio_write(pb, sc->track_essence_element_key, 16); // write key |
| 2130 | if (s->oformat == &ff_mxf_d10_muxer) { |
| 2131 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) |
| 2132 | mxf_write_d10_video_packet(s, st, pkt); |
| 2133 | else |
| 2134 | mxf_write_d10_audio_packet(s, st, pkt); |
| 2135 | } else { |
| 2136 | klv_encode_ber4_length(pb, pkt->size); // write length |
| 2137 | avio_write(pb, pkt->data, pkt->size); |
| 2138 | mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size); |
| 2139 | } |
| 2140 | |
| 2141 | avio_flush(pb); |
| 2142 | |
| 2143 | return 0; |
| 2144 | } |
| 2145 | |
| 2146 | static void mxf_write_random_index_pack(AVFormatContext *s) |
| 2147 | { |
| 2148 | MXFContext *mxf = s->priv_data; |
| 2149 | AVIOContext *pb = s->pb; |
| 2150 | uint64_t pos = avio_tell(pb); |
| 2151 | int i; |
| 2152 | |
| 2153 | avio_write(pb, random_index_pack_key, 16); |
| 2154 | klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count); |
| 2155 | |
| 2156 | if (mxf->edit_unit_byte_count) |
| 2157 | avio_wb32(pb, 1); // BodySID of header partition |
| 2158 | else |
| 2159 | avio_wb32(pb, 0); |
| 2160 | avio_wb64(pb, 0); // offset of header partition |
| 2161 | |
| 2162 | for (i = 0; i < mxf->body_partitions_count; i++) { |
| 2163 | avio_wb32(pb, 1); // BodySID |
| 2164 | avio_wb64(pb, mxf->body_partition_offset[i]); |
| 2165 | } |
| 2166 | |
| 2167 | avio_wb32(pb, 0); // BodySID of footer partition |
| 2168 | avio_wb64(pb, mxf->footer_partition_offset); |
| 2169 | |
| 2170 | avio_wb32(pb, avio_tell(pb) - pos + 4); |
| 2171 | } |
| 2172 | |
| 2173 | static int mxf_write_footer(AVFormatContext *s) |
| 2174 | { |
| 2175 | MXFContext *mxf = s->priv_data; |
| 2176 | AVIOContext *pb = s->pb; |
| 2177 | int err; |
| 2178 | |
| 2179 | mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count; |
| 2180 | |
| 2181 | mxf_write_klv_fill(s); |
| 2182 | mxf->footer_partition_offset = avio_tell(pb); |
| 2183 | if (mxf->edit_unit_byte_count) { // no need to repeat index |
| 2184 | if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0) |
| 2185 | return err; |
| 2186 | } else { |
| 2187 | if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0) |
| 2188 | return err; |
| 2189 | mxf_write_klv_fill(s); |
| 2190 | mxf_write_index_table_segment(s); |
| 2191 | } |
| 2192 | |
| 2193 | mxf_write_klv_fill(s); |
| 2194 | mxf_write_random_index_pack(s); |
| 2195 | |
| 2196 | if (s->pb->seekable) { |
| 2197 | avio_seek(pb, 0, SEEK_SET); |
| 2198 | if (mxf->edit_unit_byte_count) { |
| 2199 | if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0) |
| 2200 | return err; |
| 2201 | mxf_write_klv_fill(s); |
| 2202 | mxf_write_index_table_segment(s); |
| 2203 | } else { |
| 2204 | if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0) |
| 2205 | return err; |
| 2206 | } |
| 2207 | } |
| 2208 | |
| 2209 | ff_audio_interleave_close(s); |
| 2210 | |
| 2211 | av_freep(&mxf->index_entries); |
| 2212 | av_freep(&mxf->body_partition_offset); |
| 2213 | av_freep(&mxf->timecode_track->priv_data); |
| 2214 | av_freep(&mxf->timecode_track); |
| 2215 | |
| 2216 | mxf_free(s); |
| 2217 | |
| 2218 | return 0; |
| 2219 | } |
| 2220 | |
| 2221 | static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush) |
| 2222 | { |
| 2223 | int i, stream_count = 0; |
| 2224 | |
| 2225 | for (i = 0; i < s->nb_streams; i++) |
| 2226 | stream_count += !!s->streams[i]->last_in_packet_buffer; |
| 2227 | |
| 2228 | if (stream_count && (s->nb_streams == stream_count || flush)) { |
| 2229 | AVPacketList *pktl = s->packet_buffer; |
| 2230 | if (s->nb_streams != stream_count) { |
| 2231 | AVPacketList *last = NULL; |
| 2232 | // find last packet in edit unit |
| 2233 | while (pktl) { |
| 2234 | if (!stream_count || pktl->pkt.stream_index == 0) |
| 2235 | break; |
| 2236 | last = pktl; |
| 2237 | pktl = pktl->next; |
| 2238 | stream_count--; |
| 2239 | } |
| 2240 | // purge packet queue |
| 2241 | while (pktl) { |
| 2242 | AVPacketList *next = pktl->next; |
| 2243 | |
| 2244 | if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl) |
| 2245 | s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL; |
| 2246 | av_free_packet(&pktl->pkt); |
| 2247 | av_freep(&pktl); |
| 2248 | pktl = next; |
| 2249 | } |
| 2250 | if (last) |
| 2251 | last->next = NULL; |
| 2252 | else { |
| 2253 | s->packet_buffer = NULL; |
| 2254 | s->packet_buffer_end= NULL; |
| 2255 | goto out; |
| 2256 | } |
| 2257 | pktl = s->packet_buffer; |
| 2258 | } |
| 2259 | |
| 2260 | *out = pktl->pkt; |
| 2261 | av_dlog(s, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts); |
| 2262 | s->packet_buffer = pktl->next; |
| 2263 | if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl) |
| 2264 | s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL; |
| 2265 | if(!s->packet_buffer) |
| 2266 | s->packet_buffer_end= NULL; |
| 2267 | av_freep(&pktl); |
| 2268 | return 1; |
| 2269 | } else { |
| 2270 | out: |
| 2271 | av_init_packet(out); |
| 2272 | return 0; |
| 2273 | } |
| 2274 | } |
| 2275 | |
| 2276 | static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt) |
| 2277 | { |
| 2278 | MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data; |
| 2279 | MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data; |
| 2280 | |
| 2281 | return next->dts > pkt->dts || |
| 2282 | (next->dts == pkt->dts && sc->order < sc2->order); |
| 2283 | } |
| 2284 | |
| 2285 | static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush) |
| 2286 | { |
| 2287 | return ff_audio_rechunk_interleave(s, out, pkt, flush, |
| 2288 | mxf_interleave_get_packet, mxf_compare_timestamps); |
| 2289 | } |
| 2290 | |
| 2291 | static const AVOption d10_options[] = { |
| 2292 | { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor", |
| 2293 | offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM}, |
| 2294 | { NULL }, |
| 2295 | }; |
| 2296 | |
| 2297 | static const AVClass mxf_d10_muxer_class = { |
| 2298 | .class_name = "MXF-D10 muxer", |
| 2299 | .item_name = av_default_item_name, |
| 2300 | .option = d10_options, |
| 2301 | .version = LIBAVUTIL_VERSION_INT, |
| 2302 | }; |
| 2303 | |
| 2304 | AVOutputFormat ff_mxf_muxer = { |
| 2305 | .name = "mxf", |
| 2306 | .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"), |
| 2307 | .mime_type = "application/mxf", |
| 2308 | .extensions = "mxf", |
| 2309 | .priv_data_size = sizeof(MXFContext), |
| 2310 | .audio_codec = AV_CODEC_ID_PCM_S16LE, |
| 2311 | .video_codec = AV_CODEC_ID_MPEG2VIDEO, |
| 2312 | .write_header = mxf_write_header, |
| 2313 | .write_packet = mxf_write_packet, |
| 2314 | .write_trailer = mxf_write_footer, |
| 2315 | .flags = AVFMT_NOTIMESTAMPS, |
| 2316 | .interleave_packet = mxf_interleave, |
| 2317 | }; |
| 2318 | |
| 2319 | AVOutputFormat ff_mxf_d10_muxer = { |
| 2320 | .name = "mxf_d10", |
| 2321 | .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"), |
| 2322 | .mime_type = "application/mxf", |
| 2323 | .priv_data_size = sizeof(MXFContext), |
| 2324 | .audio_codec = AV_CODEC_ID_PCM_S16LE, |
| 2325 | .video_codec = AV_CODEC_ID_MPEG2VIDEO, |
| 2326 | .write_header = mxf_write_header, |
| 2327 | .write_packet = mxf_write_packet, |
| 2328 | .write_trailer = mxf_write_footer, |
| 2329 | .flags = AVFMT_NOTIMESTAMPS, |
| 2330 | .interleave_packet = mxf_interleave, |
| 2331 | .priv_class = &mxf_d10_muxer_class, |
| 2332 | }; |