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Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavformat / mxfenc.c
CommitLineData
2ba45a60
DM		 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 RP210: SMPTE Metadata Dictionary
30 * SMPTE RP224: Registry of SMPTE Universal Labels
31 */
32
33#include <inttypes.h>
34#include <math.h>
35#include <time.h>
36
37#include "libavutil/opt.h"
38#include "libavutil/random_seed.h"
39#include "libavutil/timecode.h"
40#include "libavutil/avassert.h"
41#include "libavcodec/bytestream.h"
42#include "libavcodec/dnxhddata.h"
43#include "audiointerleave.h"
44#include "avformat.h"
45#include "avio_internal.h"
46#include "internal.h"
47#include "mxf.h"
48#include "config.h"
49
50extern AVOutputFormat ff_mxf_d10_muxer;
51
52#define EDIT_UNITS_PER_BODY 250
53#define KAG_SIZE 512
54
55typedef struct {
56 int local_tag;
57 UID uid;
58} MXFLocalTagPair;
59
60typedef struct {
61 uint8_t flags;
62 uint64_t offset;
63 unsigned slice_offset; ///< offset of audio slice
64 uint16_t temporal_ref;
65} MXFIndexEntry;
66
67typedef struct {
68 AudioInterleaveContext aic;
69 UID track_essence_element_key;
70 int index; ///< index in mxf_essence_container_uls table
71 const UID *codec_ul;
72 int order; ///< interleaving order if dts are equal
73 int interlaced; ///< whether picture is interlaced
74 int field_dominance; ///< tff=1, bff=2
75 int component_depth;
76 int temporal_reordering;
77 AVRational aspect_ratio; ///< display aspect ratio
78 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
79 int video_bit_rate;
80} MXFStreamContext;
81
82typedef struct {
83 UID container_ul;
84 UID element_ul;
85 UID codec_ul;
86 void (*write_desc)(AVFormatContext *, AVStream *);
87} MXFContainerEssenceEntry;
88
89static const struct {
90 enum AVCodecID id;
91 int index;
92} mxf_essence_mappings[] = {
93 { AV_CODEC_ID_MPEG2VIDEO, 0 },
94 { AV_CODEC_ID_PCM_S24LE, 1 },
95 { AV_CODEC_ID_PCM_S16LE, 1 },
96 { AV_CODEC_ID_DVVIDEO, 15 },
97 { AV_CODEC_ID_DNXHD, 24 },
98 { AV_CODEC_ID_NONE }
99};
100
101static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
102static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
103static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
104static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
105static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
106
107static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
108 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
109 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
110 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
111 mxf_write_mpegvideo_desc },
112 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
113 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
114 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
115 mxf_write_aes3_desc },
116 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
117 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
118 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
119 mxf_write_wav_desc },
120 // D-10 625/50 PAL 50mb/s
121 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
122 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
123 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
124 mxf_write_cdci_desc },
125 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
126 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
127 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
128 mxf_write_generic_sound_desc },
129 // D-10 525/60 NTSC 50mb/s
130 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
131 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
132 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
133 mxf_write_cdci_desc },
134 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
135 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
136 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
137 mxf_write_generic_sound_desc },
138 // D-10 625/50 PAL 40mb/s
139 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
140 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
141 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
142 mxf_write_cdci_desc },
143 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
144 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
145 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
146 mxf_write_generic_sound_desc },
147 // D-10 525/60 NTSC 40mb/s
148 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
149 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
150 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
151 mxf_write_cdci_desc },
152 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
153 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
154 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
155 mxf_write_generic_sound_desc },
156 // D-10 625/50 PAL 30mb/s
157 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
158 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
159 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
160 mxf_write_cdci_desc },
161 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
162 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
163 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
164 mxf_write_generic_sound_desc },
165 // D-10 525/60 NTSC 30mb/s
166 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
167 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
168 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
169 mxf_write_cdci_desc },
170 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
171 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
172 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
173 mxf_write_generic_sound_desc },
174 // DV Unknown
175 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
176 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
177 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
178 mxf_write_cdci_desc },
179 // DV25 525/60
180 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
181 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
182 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
183 mxf_write_cdci_desc },
184 // DV25 625/50
185 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
186 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
187 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
188 mxf_write_cdci_desc },
189 // DV50 525/60
190 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
191 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
192 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
193 mxf_write_cdci_desc },
194 // DV50 625/50
195 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
196 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
197 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
198 mxf_write_cdci_desc },
199 // DV100 1080/60
200 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
201 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
202 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
203 mxf_write_cdci_desc },
204 // DV100 1080/50
205 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
206 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
207 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
208 mxf_write_cdci_desc },
209 // DV100 720/60
210 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
211 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
212 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
213 mxf_write_cdci_desc },
214 // DV100 720/50
215 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
216 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
217 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
218 mxf_write_cdci_desc },
219 // DNxHD 1080p 10bit high
220 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
221 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
223 mxf_write_cdci_desc },
224 // DNxHD 1080p 8bit medium
225 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
226 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
227 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
228 mxf_write_cdci_desc },
229 // DNxHD 1080p 8bit high
230 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
231 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
232 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
233 mxf_write_cdci_desc },
234 // DNxHD 1080i 10bit high
235 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
236 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
238 mxf_write_cdci_desc },
239 // DNxHD 1080i 8bit medium
240 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
241 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
242 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
243 mxf_write_cdci_desc },
244 // DNxHD 1080i 8bit high
245 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
246 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
247 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
248 mxf_write_cdci_desc },
249 // DNxHD 720p 10bit
250 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
251 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
252 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
253 mxf_write_cdci_desc },
254 // DNxHD 720p 8bit high
255 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
256 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
257 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
258 mxf_write_cdci_desc },
259 // DNxHD 720p 8bit medium
260 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
261 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
262 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
263 mxf_write_cdci_desc },
264 // DNxHD 720p 8bit low
265 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
266 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
267 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
268 mxf_write_cdci_desc },
269 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
270 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
271 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
272 NULL },
273};
274
275typedef struct MXFContext {
276 AVClass *av_class;
277 int64_t footer_partition_offset;
278 int essence_container_count;
279 AVRational time_base;
280 int header_written;
281 MXFIndexEntry *index_entries;
282 unsigned edit_units_count;
283 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
284 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
285 int last_indexed_edit_unit;
286 uint64_t *body_partition_offset;
287 unsigned body_partitions_count;
288 int last_key_index; ///< index of last key frame
289 uint64_t duration;
290 AVTimecode tc; ///< timecode context
291 AVStream *timecode_track;
292 int timecode_base; ///< rounded time code base (25 or 30)
293 int edit_unit_byte_count; ///< fixed edit unit byte count
294 uint64_t body_offset;
295 uint32_t instance_number;
296 uint8_t umid[16]; ///< unique material identifier
297 int channel_count;
298} MXFContext;
299
300static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
301static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
302
303/**
304 * complete key for operation pattern, partitions, and primer pack
305 */
306static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
307static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
308static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
309static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
310static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
311static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
312static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
313static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
314static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
315
316/**
317 * partial key for header metadata
318 */
319static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
320static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
321
322/**
323 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
324 */
325static const MXFLocalTagPair mxf_local_tag_batch[] = {
326 // preface set
327 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
328 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
329 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
330 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
331 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
332 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
333 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
334 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
335 // Identification
336 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
337 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
338 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
339 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
340 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
341 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
342 // Content Storage
343 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
344 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
345 // Essence Container Data
346 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
347 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
348 // Package
349 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
350 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
351 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
352 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
353 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
354 // Track
355 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
356 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
357 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
358 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
359 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
360 // Sequence
361 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
362 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
363 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
364 // Source Clip
365 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
366 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
367 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
368 // Timecode Component
369 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
370 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
371 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
372 // File Descriptor
373 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
374 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
375 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
376 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
377 // Generic Picture Essence Descriptor
378 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
379 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
380 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
381 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
382 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
383 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
384 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
385 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
386 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
387 // CDCI Picture Essence Descriptor
388 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
389 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
390 // Generic Sound Essence Descriptor
391 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
392 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
393 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
394 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
395 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
396 // Index Table Segment
397 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
398 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
399 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
400 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
401 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
402 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
403 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
404 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
405 // MPEG video Descriptor
406 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
407 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
408 // Wave Audio Essence Descriptor
409 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
410 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
411};
412
413static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
414{
415 avio_write(pb, uuid_base, 12);
416 avio_wb16(pb, type);
417 avio_wb16(pb, value);
418}
419
420static void mxf_write_umid(AVFormatContext *s, int type)
421{
422 MXFContext *mxf = s->priv_data;
423 avio_write(s->pb, umid_ul, 13);
424 avio_wb24(s->pb, mxf->instance_number);
425 avio_write(s->pb, mxf->umid, 15);
426 avio_w8(s->pb, type);
427}
428
429static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
430{
431 avio_wb32(pb, ref_count);
432 avio_wb32(pb, 16);
433}
434
435static int klv_ber_length(uint64_t len)
436{
437 if (len < 128)
438 return 1;
439 else
440 return (av_log2(len) >> 3) + 2;
441}
442
443static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
444{
445 // Determine the best BER size
446 int size;
447 if (len < 128) {
448 //short form
449 avio_w8(pb, len);
450 return 1;
451 }
452
453 size = (av_log2(len) >> 3) + 1;
454
455 // long form
456 avio_w8(pb, 0x80 + size);
457 while(size) {
458 size--;
459 avio_w8(pb, len >> 8 * size & 0xff);
460 }
461 return 0;
462}
463
464static void klv_encode_ber4_length(AVIOContext *pb, int len)
465{
466 avio_w8(pb, 0x80 + 3);
467 avio_wb24(pb, len);
468}
469
470/*
471 * Get essence container ul index
472 */
473static int mxf_get_essence_container_ul_index(enum AVCodecID id)
474{
475 int i;
476 for (i = 0; mxf_essence_mappings[i].id; i++)
477 if (mxf_essence_mappings[i].id == id)
478 return mxf_essence_mappings[i].index;
479 return -1;
480}
481
482static void mxf_write_primer_pack(AVFormatContext *s)
483{
484 AVIOContext *pb = s->pb;
485 int local_tag_number, i = 0;
486
487 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
488
489 avio_write(pb, primer_pack_key, 16);
490 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
491
492 avio_wb32(pb, local_tag_number); // local_tag num
493 avio_wb32(pb, 18); // item size, always 18 according to the specs
494
495 for (i = 0; i < local_tag_number; i++) {
496 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
497 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
498 }
499}
500
501static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
502{
503 avio_wb16(pb, tag);
504 avio_wb16(pb, size);
505}
506
507static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
508{
509 avio_write(pb, header_metadata_key, 13);
510 avio_wb24(pb, value);
511}
512
513static void mxf_free(AVFormatContext *s)
514{
515 int i;
516
517 for (i = 0; i < s->nb_streams; i++) {
518 AVStream *st = s->streams[i];
519 av_freep(&st->priv_data);
520 }
521}
522
523static const MXFCodecUL *mxf_get_data_definition_ul(int type)
524{
525 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
526 while (uls->uid[0]) {
527 if (type == uls->id)
528 break;
529 uls++;
530 }
531 return uls;
532}
533
534//one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
535#define DESCRIPTOR_COUNT(essence_container_count) \
536 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
537
538static void mxf_write_essence_container_refs(AVFormatContext *s)
539{
540 MXFContext *c = s->priv_data;
541 AVIOContext *pb = s->pb;
542 int i;
543
544 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
545 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
546 for (i = 0; i < c->essence_container_count; i++) {
547 MXFStreamContext *sc = s->streams[i]->priv_data;
548 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
549 }
550
551 if (c->essence_container_count > 1)
552 avio_write(pb, multiple_desc_ul, 16);
553}
554
555static void mxf_write_preface(AVFormatContext *s)
556{
557 MXFContext *mxf = s->priv_data;
558 AVIOContext *pb = s->pb;
559
560 mxf_write_metadata_key(pb, 0x012f00);
561 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
562 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
563
564 // write preface set uid
565 mxf_write_local_tag(pb, 16, 0x3C0A);
566 mxf_write_uuid(pb, Preface, 0);
567 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
568
569 // last modified date
570 mxf_write_local_tag(pb, 8, 0x3B02);
571 avio_wb64(pb, mxf->timestamp);
572
573 // write version
574 mxf_write_local_tag(pb, 2, 0x3B05);
575 avio_wb16(pb, 258); // v1.2
576
577 // write identification_refs
578 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
579 mxf_write_refs_count(pb, 1);
580 mxf_write_uuid(pb, Identification, 0);
581
582 // write content_storage_refs
583 mxf_write_local_tag(pb, 16, 0x3B03);
584 mxf_write_uuid(pb, ContentStorage, 0);
585
586 // operational pattern
587 mxf_write_local_tag(pb, 16, 0x3B09);
588 avio_write(pb, op1a_ul, 16);
589
590 // write essence_container_refs
591 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
592 mxf_write_essence_container_refs(s);
593
594 // write dm_scheme_refs
595 mxf_write_local_tag(pb, 8, 0x3B0B);
596 avio_wb64(pb, 0);
597}
598
599/*
600 * Write a local tag containing an ascii string as utf-16
601 */
602static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
603{
604 int i, size = strlen(value);
605 mxf_write_local_tag(pb, size*2, tag);
606 for (i = 0; i < size; i++)
607 avio_wb16(pb, value[i]);
608}
609
610static void mxf_write_identification(AVFormatContext *s)
611{
612 MXFContext *mxf = s->priv_data;
613 AVIOContext *pb = s->pb;
614 const char *company = "FFmpeg";
615 const char *product = "OP1a Muxer";
616 const char *version;
617 int length;
618
619 mxf_write_metadata_key(pb, 0x013000);
620 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
621
622 version = s->flags & AVFMT_FLAG_BITEXACT ?
623 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
624 length = 84 + (strlen(company)+strlen(product)+strlen(version))*2; // utf-16
625 klv_encode_ber_length(pb, length);
626
627 // write uid
628 mxf_write_local_tag(pb, 16, 0x3C0A);
629 mxf_write_uuid(pb, Identification, 0);
630 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
631
632 // write generation uid
633 mxf_write_local_tag(pb, 16, 0x3C09);
634 mxf_write_uuid(pb, Identification, 1);
635
636 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
637 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
638 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
639
640 // write product uid
641 mxf_write_local_tag(pb, 16, 0x3C05);
642 mxf_write_uuid(pb, Identification, 2);
643
644 // modification date
645 mxf_write_local_tag(pb, 8, 0x3C06);
646 avio_wb64(pb, mxf->timestamp);
647}
648
649static void mxf_write_content_storage(AVFormatContext *s)
650{
651 AVIOContext *pb = s->pb;
652
653 mxf_write_metadata_key(pb, 0x011800);
654 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
655 klv_encode_ber_length(pb, 92);
656
657 // write uid
658 mxf_write_local_tag(pb, 16, 0x3C0A);
659 mxf_write_uuid(pb, ContentStorage, 0);
660 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
661
662 // write package reference
663 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
664 mxf_write_refs_count(pb, 2);
665 mxf_write_uuid(pb, MaterialPackage, 0);
666 mxf_write_uuid(pb, SourcePackage, 0);
667
668 // write essence container data
669 mxf_write_local_tag(pb, 8 + 16, 0x1902);
670 mxf_write_refs_count(pb, 1);
671 mxf_write_uuid(pb, EssenceContainerData, 0);
672}
673
674static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
675{
676 MXFContext *mxf = s->priv_data;
677 AVIOContext *pb = s->pb;
678 MXFStreamContext *sc = st->priv_data;
679
680 mxf_write_metadata_key(pb, 0x013b00);
681 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
682 klv_encode_ber_length(pb, 80);
683
684 // write track uid
685 mxf_write_local_tag(pb, 16, 0x3C0A);
686 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
687 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
688
689 // write track id
690 mxf_write_local_tag(pb, 4, 0x4801);
691 avio_wb32(pb, st->index+2);
692
693 // write track number
694 mxf_write_local_tag(pb, 4, 0x4804);
695 if (type == MaterialPackage)
696 avio_wb32(pb, 0); // track number of material package is 0
697 else
698 avio_write(pb, sc->track_essence_element_key + 12, 4);
699
700 mxf_write_local_tag(pb, 8, 0x4B01);
701 avio_wb32(pb, mxf->time_base.den);
702 avio_wb32(pb, mxf->time_base.num);
703
704 // write origin
705 mxf_write_local_tag(pb, 8, 0x4B02);
706 avio_wb64(pb, 0);
707
708 // write sequence refs
709 mxf_write_local_tag(pb, 16, 0x4803);
710 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
711}
712
713static 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 };
714
715static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
716{
717 MXFContext *mxf = s->priv_data;
718 AVIOContext *pb = s->pb;
719
720 // find data define uls
721 mxf_write_local_tag(pb, 16, 0x0201);
722 if (st == mxf->timecode_track)
723 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
724 else {
725 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
726 avio_write(pb, data_def_ul->uid, 16);
727 }
728
729 // write duration
730 mxf_write_local_tag(pb, 8, 0x0202);
731 avio_wb64(pb, mxf->duration);
732}
733
734static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
735{
736 MXFContext *mxf = s->priv_data;
737 AVIOContext *pb = s->pb;
738 enum MXFMetadataSetType component;
739
740 mxf_write_metadata_key(pb, 0x010f00);
741 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
742 klv_encode_ber_length(pb, 80);
743
744 mxf_write_local_tag(pb, 16, 0x3C0A);
745 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
746
747 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
748 mxf_write_common_fields(s, st);
749
750 // write structural component
751 mxf_write_local_tag(pb, 16 + 8, 0x1001);
752 mxf_write_refs_count(pb, 1);
753 if (st == mxf->timecode_track)
754 component = TimecodeComponent;
755 else
756 component = SourceClip;
757 if (type == SourcePackage)
758 component += TypeBottom;
759 mxf_write_uuid(pb, component, st->index);
760}
761
762static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
763{
764 MXFContext *mxf = s->priv_data;
765 AVIOContext *pb = s->pb;
766
767 mxf_write_metadata_key(pb, 0x011400);
768 klv_encode_ber_length(pb, 75);
769
770 // UID
771 mxf_write_local_tag(pb, 16, 0x3C0A);
772 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
773 TimecodeComponent + TypeBottom, st->index);
774
775 mxf_write_common_fields(s, st);
776
777 // Start Time Code
778 mxf_write_local_tag(pb, 8, 0x1501);
779 avio_wb64(pb, mxf->tc.start);
780
781 // Rounded Time Code Base
782 mxf_write_local_tag(pb, 2, 0x1502);
783 avio_wb16(pb, mxf->timecode_base);
784
785 // Drop Frame
786 mxf_write_local_tag(pb, 1, 0x1503);
787 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
788}
789
790static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
791{
792 AVIOContext *pb = s->pb;
793 int i;
794
795 mxf_write_metadata_key(pb, 0x011100);
796 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
797 klv_encode_ber_length(pb, 108);
798
799 // write uid
800 mxf_write_local_tag(pb, 16, 0x3C0A);
801 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
802
803 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
804 mxf_write_common_fields(s, st);
805
806 // write start_position
807 mxf_write_local_tag(pb, 8, 0x1201);
808 avio_wb64(pb, 0);
809
810 // write source package uid, end of the reference
811 mxf_write_local_tag(pb, 32, 0x1101);
812 if (type == SourcePackage) {
813 for (i = 0; i < 4; i++)
814 avio_wb64(pb, 0);
815 } else
816 mxf_write_umid(s, 1);
817
818 // write source track id
819 mxf_write_local_tag(pb, 4, 0x1102);
820 if (type == SourcePackage)
821 avio_wb32(pb, 0);
822 else
823 avio_wb32(pb, st->index+2);
824}
825
826static void mxf_write_multi_descriptor(AVFormatContext *s)
827{
828 MXFContext *mxf = s->priv_data;
829 AVIOContext *pb = s->pb;
830 const uint8_t *ul;
831 int i;
832
833 mxf_write_metadata_key(pb, 0x014400);
834 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
835 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
836
837 mxf_write_local_tag(pb, 16, 0x3C0A);
838 mxf_write_uuid(pb, MultipleDescriptor, 0);
839 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
840
841 // write sample rate
842 mxf_write_local_tag(pb, 8, 0x3001);
843 avio_wb32(pb, mxf->time_base.den);
844 avio_wb32(pb, mxf->time_base.num);
845
846 // write essence container ul
847 mxf_write_local_tag(pb, 16, 0x3004);
848 if (mxf->essence_container_count > 1)
849 ul = multiple_desc_ul;
850 else {
851 MXFStreamContext *sc = s->streams[0]->priv_data;
852 ul = mxf_essence_container_uls[sc->index].container_ul;
853 }
854 avio_write(pb, ul, 16);
855
856 // write sub descriptor refs
857 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
858 mxf_write_refs_count(pb, s->nb_streams);
859 for (i = 0; i < s->nb_streams; i++)
860 mxf_write_uuid(pb, SubDescriptor, i);
861}
862
863static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
864{
865 MXFContext *mxf = s->priv_data;
866 MXFStreamContext *sc = st->priv_data;
867 AVIOContext *pb = s->pb;
868
869 avio_write(pb, key, 16);
870 klv_encode_ber4_length(pb, size+20+8+12+20);
871
872 mxf_write_local_tag(pb, 16, 0x3C0A);
873 mxf_write_uuid(pb, SubDescriptor, st->index);
874
875 mxf_write_local_tag(pb, 4, 0x3006);
876 avio_wb32(pb, st->index+2);
877
878 mxf_write_local_tag(pb, 8, 0x3001);
879 avio_wb32(pb, mxf->time_base.den);
880 avio_wb32(pb, mxf->time_base.num);
881
882 mxf_write_local_tag(pb, 16, 0x3004);
883 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
884}
885
886static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
887static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
888static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
889static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
890static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
891
892static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
893{
894 MXFStreamContext *sc = st->priv_data;
895 AVIOContext *pb = s->pb;
896 int stored_height = (st->codec->height+15)/16*16;
897 int display_height;
898 int f1, f2;
899 unsigned desc_size = size+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20;
900 if (sc->interlaced && sc->field_dominance)
901 desc_size += 5;
902
903 mxf_write_generic_desc(s, st, key, desc_size);
904
905 mxf_write_local_tag(pb, 4, 0x3203);
906 avio_wb32(pb, st->codec->width);
907
908 mxf_write_local_tag(pb, 4, 0x3202);
909 avio_wb32(pb, stored_height>>sc->interlaced);
910
911 mxf_write_local_tag(pb, 4, 0x3209);
912 avio_wb32(pb, st->codec->width);
913
914 if (st->codec->height == 608) // PAL + VBI
915 display_height = 576;
916 else if (st->codec->height == 512) // NTSC + VBI
917 display_height = 486;
918 else
919 display_height = st->codec->height;
920
921 mxf_write_local_tag(pb, 4, 0x3208);
922 avio_wb32(pb, display_height>>sc->interlaced);
923
924 // component depth
925 mxf_write_local_tag(pb, 4, 0x3301);
926 avio_wb32(pb, sc->component_depth);
927
928 // horizontal subsampling
929 mxf_write_local_tag(pb, 4, 0x3302);
930 avio_wb32(pb, 2);
931
932 // frame layout
933 mxf_write_local_tag(pb, 1, 0x320C);
934 avio_w8(pb, sc->interlaced);
935
936 // video line map
937 switch (st->codec->height) {
938 case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
939 case 608: f1 = 7; f2 = 320; break;
940 case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
941 case 512: f1 = 7; f2 = 270; break;
942 case 720: f1 = 26; f2 = 0; break; // progressive
943 case 1080: f1 = 21; f2 = 584; break;
944 default: f1 = 0; f2 = 0; break;
945 }
946
947 if (!sc->interlaced) {
948 f2 = 0;
949 f1 *= 2;
950 }
951
952 mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
953 avio_wb32(pb, sc->interlaced ? 2 : 1);
954 avio_wb32(pb, 4);
955 avio_wb32(pb, f1);
956 if (sc->interlaced)
957 avio_wb32(pb, f2);
958
959 mxf_write_local_tag(pb, 8, 0x320E);
960 avio_wb32(pb, sc->aspect_ratio.num);
961 avio_wb32(pb, sc->aspect_ratio.den);
962
963 mxf_write_local_tag(pb, 16, 0x3201);
964 avio_write(pb, *sc->codec_ul, 16);
965
966 if (sc->interlaced && sc->field_dominance) {
967 mxf_write_local_tag(pb, 1, 0x3212);
968 avio_w8(pb, sc->field_dominance);
969 }
970
971}
972
973static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
974{
975 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
976}
977
978static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
979{
980 AVIOContext *pb = s->pb;
981 MXFStreamContext *sc = st->priv_data;
982 int profile_and_level = (st->codec->profile<<4) | st->codec->level;
983
984 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
985
986 // bit rate
987 mxf_write_local_tag(pb, 4, 0x8000);
988 avio_wb32(pb, sc->video_bit_rate);
989
990 // profile and level
991 mxf_write_local_tag(pb, 1, 0x8007);
992 if (!st->codec->profile)
993 profile_and_level |= 0x80; // escape bit
994 avio_w8(pb, profile_and_level);
995}
996
997static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
998{
999 AVIOContext *pb = s->pb;
1000 MXFContext *mxf = s->priv_data;
1001 int show_warnings = !mxf->footer_partition_offset;
1002
1003 mxf_write_generic_desc(s, st, key, size+5+12+8+8);
1004
1005 // audio locked
1006 mxf_write_local_tag(pb, 1, 0x3D02);
1007 avio_w8(pb, 1);
1008
1009 // write audio sampling rate
1010 mxf_write_local_tag(pb, 8, 0x3D03);
1011 avio_wb32(pb, st->codec->sample_rate);
1012 avio_wb32(pb, 1);
1013
1014 mxf_write_local_tag(pb, 4, 0x3D07);
1015 if (mxf->channel_count == -1) {
1016 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1017 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");
1018 avio_wb32(pb, st->codec->channels);
1019 } else if (s->oformat == &ff_mxf_d10_muxer) {
1020 if (show_warnings && (mxf->channel_count < st->codec->channels))
1021 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1022 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1023 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");
1024 avio_wb32(pb, mxf->channel_count);
1025 } else {
1026 if (show_warnings && mxf->channel_count != -1)
1027 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1028 avio_wb32(pb, st->codec->channels);
1029 }
1030
1031 mxf_write_local_tag(pb, 4, 0x3D01);
1032 avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
1033}
1034
1035static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1036{
1037 AVIOContext *pb = s->pb;
1038
1039 mxf_write_generic_sound_common(s, st, key, size+6+8);
1040
1041 mxf_write_local_tag(pb, 2, 0x3D0A);
1042 avio_wb16(pb, st->codec->block_align);
1043
1044 // avg bytes per sec
1045 mxf_write_local_tag(pb, 4, 0x3D09);
1046 avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1047}
1048
1049static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1050{
1051 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1052}
1053
1054static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1055{
1056 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1057}
1058
1059static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1060{
1061 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1062}
1063
1064static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type)
1065{
1066 MXFContext *mxf = s->priv_data;
1067 AVIOContext *pb = s->pb;
1068 int i, track_count = s->nb_streams+1;
1069
1070 if (type == MaterialPackage) {
1071 mxf_write_metadata_key(pb, 0x013600);
1072 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1073 klv_encode_ber_length(pb, 92 + 16*track_count);
1074 } else {
1075 mxf_write_metadata_key(pb, 0x013700);
1076 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1077 klv_encode_ber_length(pb, 112 + 16*track_count); // 20 bytes length for descriptor reference
1078 }
1079
1080 // write uid
1081 mxf_write_local_tag(pb, 16, 0x3C0A);
1082 mxf_write_uuid(pb, type, 0);
1083 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1084 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1085
1086 // write package umid
1087 mxf_write_local_tag(pb, 32, 0x4401);
1088 mxf_write_umid(s, type == SourcePackage);
1089 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1090
1091 // package creation date
1092 mxf_write_local_tag(pb, 8, 0x4405);
1093 avio_wb64(pb, mxf->timestamp);
1094
1095 // package modified date
1096 mxf_write_local_tag(pb, 8, 0x4404);
1097 avio_wb64(pb, mxf->timestamp);
1098
1099 // write track refs
1100 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1101 mxf_write_refs_count(pb, track_count);
1102 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1103 Track + TypeBottom, -1); // timecode track
1104 for (i = 0; i < s->nb_streams; i++)
1105 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1106
1107 // write multiple descriptor reference
1108 if (type == SourcePackage) {
1109 mxf_write_local_tag(pb, 16, 0x4701);
1110 if (s->nb_streams > 1) {
1111 mxf_write_uuid(pb, MultipleDescriptor, 0);
1112 mxf_write_multi_descriptor(s);
1113 } else
1114 mxf_write_uuid(pb, SubDescriptor, 0);
1115 }
1116
1117 // write timecode track
1118 mxf_write_track(s, mxf->timecode_track, type);
1119 mxf_write_sequence(s, mxf->timecode_track, type);
1120 mxf_write_timecode_component(s, mxf->timecode_track, type);
1121
1122 for (i = 0; i < s->nb_streams; i++) {
1123 AVStream *st = s->streams[i];
1124 mxf_write_track(s, st, type);
1125 mxf_write_sequence(s, st, type);
1126 mxf_write_structural_component(s, st, type);
1127
1128 if (type == SourcePackage) {
1129 MXFStreamContext *sc = st->priv_data;
1130 mxf_essence_container_uls[sc->index].write_desc(s, st);
1131 }
1132 }
1133}
1134
1135static int mxf_write_essence_container_data(AVFormatContext *s)
1136{
1137 AVIOContext *pb = s->pb;
1138
1139 mxf_write_metadata_key(pb, 0x012300);
1140 klv_encode_ber_length(pb, 72);
1141
1142 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1143 mxf_write_uuid(pb, EssenceContainerData, 0);
1144
1145 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1146 mxf_write_umid(s, 1);
1147
1148 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1149 avio_wb32(pb, 1);
1150
1151 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1152 avio_wb32(pb, 2);
1153
1154 return 0;
1155}
1156
1157static int mxf_write_header_metadata_sets(AVFormatContext *s)
1158{
1159 mxf_write_preface(s);
1160 mxf_write_identification(s);
1161 mxf_write_content_storage(s);
1162 mxf_write_package(s, MaterialPackage);
1163 mxf_write_package(s, SourcePackage);
1164 mxf_write_essence_container_data(s);
1165 return 0;
1166}
1167
1168static unsigned klv_fill_size(uint64_t size)
1169{
1170 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1171 if (pad < 20) // smallest fill item possible
1172 return pad + KAG_SIZE;
1173 else
1174 return pad & (KAG_SIZE-1);
1175}
1176
1177static void mxf_write_index_table_segment(AVFormatContext *s)
1178{
1179 MXFContext *mxf = s->priv_data;
1180 AVIOContext *pb = s->pb;
1181 int i, j, temporal_reordering = 0;
1182 int key_index = mxf->last_key_index;
1183
1184 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1185
1186 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1187 return;
1188
1189 avio_write(pb, index_table_segment_key, 16);
1190
1191 if (mxf->edit_unit_byte_count) {
1192 klv_encode_ber_length(pb, 80);
1193 } else {
1194 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1195 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1196 }
1197
1198 // instance id
1199 mxf_write_local_tag(pb, 16, 0x3C0A);
1200 mxf_write_uuid(pb, IndexTableSegment, 0);
1201
1202 // index edit rate
1203 mxf_write_local_tag(pb, 8, 0x3F0B);
1204 avio_wb32(pb, mxf->time_base.den);
1205 avio_wb32(pb, mxf->time_base.num);
1206
1207 // index start position
1208 mxf_write_local_tag(pb, 8, 0x3F0C);
1209 avio_wb64(pb, mxf->last_indexed_edit_unit);
1210
1211 // index duration
1212 mxf_write_local_tag(pb, 8, 0x3F0D);
1213 if (mxf->edit_unit_byte_count)
1214 avio_wb64(pb, 0); // index table covers whole container
1215 else
1216 avio_wb64(pb, mxf->edit_units_count);
1217
1218 // edit unit byte count
1219 mxf_write_local_tag(pb, 4, 0x3F05);
1220 avio_wb32(pb, mxf->edit_unit_byte_count);
1221
1222 // index sid
1223 mxf_write_local_tag(pb, 4, 0x3F06);
1224 avio_wb32(pb, 2);
1225
1226 // body sid
1227 mxf_write_local_tag(pb, 4, 0x3F07);
1228 avio_wb32(pb, 1);
1229
1230 if (!mxf->edit_unit_byte_count) {
1231 // real slice count - 1
1232 mxf_write_local_tag(pb, 1, 0x3F08);
1233 avio_w8(pb, mxf->slice_count);
1234
1235 // delta entry array
1236 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1237 avio_wb32(pb, s->nb_streams+1); // num of entries
1238 avio_wb32(pb, 6); // size of one entry
1239 // write system item delta entry
1240 avio_w8(pb, 0);
1241 avio_w8(pb, 0); // slice entry
1242 avio_wb32(pb, 0); // element delta
1243 for (i = 0; i < s->nb_streams; i++) {
1244 AVStream *st = s->streams[i];
1245 MXFStreamContext *sc = st->priv_data;
1246 avio_w8(pb, sc->temporal_reordering);
1247 if (sc->temporal_reordering)
1248 temporal_reordering = 1;
1249 if (i == 0) { // video track
1250 avio_w8(pb, 0); // slice number
1251 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1252 } else { // audio track
1253 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1254 audio_frame_size += klv_fill_size(audio_frame_size);
1255 avio_w8(pb, 1);
1256 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1257 }
1258 }
1259
1260 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1261 avio_wb32(pb, mxf->edit_units_count); // num of entries
1262 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1263
1264 for (i = 0; i < mxf->edit_units_count; i++) {
1265 int temporal_offset = 0;
1266
1267 if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1268 mxf->last_key_index = key_index;
1269 key_index = i;
1270 }
1271
1272 if (temporal_reordering) {
1273 int pic_num_in_gop = i - key_index;
1274 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1275 for (j = key_index; j < mxf->edit_units_count; j++) {
1276 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1277 break;
1278 }
1279 if (j == mxf->edit_units_count)
1280 av_log(s, AV_LOG_WARNING, "missing frames\n");
1281 temporal_offset = j - key_index - pic_num_in_gop;
1282 }
1283 }
1284 avio_w8(pb, temporal_offset);
1285
1286 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1287 avio_w8(pb, mxf->last_key_index - i);
1288 } else {
1289 avio_w8(pb, key_index - i); // key frame offset
1290 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1291 mxf->last_key_index = key_index;
1292 }
1293
1294 if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1295 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1296 mxf->index_entries[i].flags |= 0x80; // random access
1297 avio_w8(pb, mxf->index_entries[i].flags);
1298 // stream offset
1299 avio_wb64(pb, mxf->index_entries[i].offset);
1300 if (s->nb_streams > 1)
1301 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1302 }
1303
1304 mxf->last_key_index = key_index - mxf->edit_units_count;
1305 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1306 mxf->edit_units_count = 0;
1307 }
1308}
1309
1310static void mxf_write_klv_fill(AVFormatContext *s)
1311{
1312 unsigned pad = klv_fill_size(avio_tell(s->pb));
1313 if (pad) {
1314 avio_write(s->pb, klv_fill_key, 16);
1315 pad -= 16 + 4;
1316 klv_encode_ber4_length(s->pb, pad);
1317 ffio_fill(s->pb, 0, pad);
1318 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1319 }
1320}
1321
1322static int mxf_write_partition(AVFormatContext *s, int bodysid,
1323 int indexsid,
1324 const uint8_t *key, int write_metadata)
1325{
1326 MXFContext *mxf = s->priv_data;
1327 AVIOContext *pb = s->pb;
1328 int64_t header_byte_count_offset;
1329 unsigned index_byte_count = 0;
1330 uint64_t partition_offset = avio_tell(pb);
1331 int err;
1332
1333 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1334 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1335 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1336 else if (mxf->edit_unit_byte_count && indexsid)
1337 index_byte_count = 80;
1338
1339 if (index_byte_count) {
1340 // add encoded ber length
1341 index_byte_count += 16 + klv_ber_length(index_byte_count);
1342 index_byte_count += klv_fill_size(index_byte_count);
1343 }
1344
1345 if (!memcmp(key, body_partition_key, 16)) {
1346 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1347 sizeof(*mxf->body_partition_offset))) < 0) {
1348 mxf->body_partitions_count = 0;
1349 return err;
1350 }
1351 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1352 }
1353
1354 // write klv
1355 avio_write(pb, key, 16);
1356 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1357
1358 // write partition value
1359 avio_wb16(pb, 1); // majorVersion
1360 avio_wb16(pb, 2); // minorVersion
1361 avio_wb32(pb, KAG_SIZE); // KAGSize
1362
1363 avio_wb64(pb, partition_offset); // ThisPartition
1364
1365 if (!memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1366 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1367 else if (!memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1368 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1369 else
1370 avio_wb64(pb, 0);
1371
1372 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1373
1374 // set offset
1375 header_byte_count_offset = avio_tell(pb);
1376 avio_wb64(pb, 0); // headerByteCount, update later
1377
1378 // indexTable
1379 avio_wb64(pb, index_byte_count); // indexByteCount
1380 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1381
1382 // BodyOffset
1383 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count) {
1384 avio_wb64(pb, mxf->body_offset);
1385 } else
1386 avio_wb64(pb, 0);
1387
1388 avio_wb32(pb, bodysid); // bodySID
1389
1390 // operational pattern
1391 avio_write(pb, op1a_ul, 16);
1392
1393 // essence container
1394 mxf_write_essence_container_refs(s);
1395
1396 if (write_metadata) {
1397 // mark the start of the headermetadata and calculate metadata size
1398 int64_t pos, start;
1399 unsigned header_byte_count;
1400
1401 mxf_write_klv_fill(s);
1402 start = avio_tell(s->pb);
1403 mxf_write_primer_pack(s);
1404 mxf_write_header_metadata_sets(s);
1405 pos = avio_tell(s->pb);
1406 header_byte_count = pos - start + klv_fill_size(pos);
1407
1408 // update header_byte_count
1409 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1410 avio_wb64(pb, header_byte_count);
1411 avio_seek(pb, pos, SEEK_SET);
1412 }
1413
1414 avio_flush(pb);
1415
1416 return 0;
1417}
1418
1419static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1420AVPacket *pkt)
1421{
1422 MXFContext *mxf = s->priv_data;
1423 MXFStreamContext *sc = st->priv_data;
1424 int i, cid;
1425 uint8_t* header_cid;
1426 int frame_size = 0;
1427
1428 if (mxf->header_written)
1429 return 1;
1430
1431 if (pkt->size < 43)
1432 return -1;
1433
1434 header_cid = pkt->data + 0x28;
1435 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1436
1437 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1438 return -1;
1439
1440 switch (cid) {
1441 case 1235:
1442 sc->index = 24;
1443 sc->component_depth = 10;
1444 break;
1445 case 1237:
1446 sc->index = 25;
1447 break;
1448 case 1238:
1449 sc->index = 26;
1450 break;
1451 case 1241:
1452 sc->index = 27;
1453 sc->component_depth = 10;
1454 break;
1455 case 1242:
1456 sc->index = 28;
1457 break;
1458 case 1243:
1459 sc->index = 29;
1460 break;
1461 case 1250:
1462 sc->index = 30;
1463 sc->component_depth = 10;
1464 break;
1465 case 1251:
1466 sc->index = 31;
1467 break;
1468 case 1252:
1469 sc->index = 32;
1470 break;
1471 case 1253:
1472 sc->index = 33;
1473 break;
1474 default:
1475 return -1;
1476 }
1477
1478 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1479 sc->aspect_ratio = (AVRational){ 16, 9 };
1480
1481 mxf->edit_unit_byte_count = KAG_SIZE;
1482 for (i = 0; i < s->nb_streams; i++) {
1483 AVStream *st = s->streams[i];
1484 MXFStreamContext *sc = st->priv_data;
1485 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1486 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1487 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1488 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1489 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1490 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1491 }
1492 }
1493
1494 return 1;
1495}
1496
1497static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1498{
1499 MXFContext *mxf = s->priv_data;
1500 MXFStreamContext *sc = st->priv_data;
1501 uint8_t *vs_pack, *vsc_pack;
1502 int i, ul_index, frame_size, stype, pal;
1503
1504 if (mxf->header_written)
1505 return 1;
1506
1507 // Check for minimal frame size
1508 if (pkt->size < 120000)
1509 return -1;
1510
1511 vs_pack = pkt->data + 80*5 + 48;
1512 vsc_pack = pkt->data + 80*5 + 53;
1513 stype = vs_pack[3] & 0x1f;
1514 pal = (vs_pack[3] >> 5) & 0x1;
1515
1516 if ((vs_pack[2] & 0x07) == 0x02)
1517 sc->aspect_ratio = (AVRational){ 16, 9 };
1518 else
1519 sc->aspect_ratio = (AVRational){ 4, 3 };
1520
1521 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1522 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1523 // and set field dominance accordingly
1524 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1525
1526 switch (stype) {
1527 case 0x18: // DV100 720p
1528 ul_index = 6 + pal;
1529 frame_size = pal ? 288000 : 240000;
1530 if (sc->interlaced) {
1531 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1532 sc->interlaced = 0;
1533 }
1534 break;
1535 case 0x14: // DV100 1080i
1536 ul_index = 4 + pal;
1537 frame_size = pal ? 576000 : 480000;
1538 break;
1539 case 0x04: // DV50
1540 ul_index = 2 + pal;
1541 frame_size = pal ? 288000 : 240000;
1542 break;
1543 default: // DV25
1544 ul_index = 0 + pal;
1545 frame_size = pal ? 144000 : 120000;
1546 }
1547
1548 sc->index = ul_index + 16;
1549 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1550
1551 mxf->edit_unit_byte_count = KAG_SIZE;
1552 for (i = 0; i < s->nb_streams; i++) {
1553 AVStream *st = s->streams[i];
1554 MXFStreamContext *sc = st->priv_data;
1555 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1556 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1557 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1558 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1559 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1560 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1561 }
1562 }
1563
1564 return 1;
1565}
1566
1567static const UID mxf_mpeg2_codec_uls[] = {
1568 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1569 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1570 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1571 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1572 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1573 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1574 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1575 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1576 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1577 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1578};
1579
1580static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
1581{
1582 int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1583
1584 if (avctx->profile == 4) { // Main
1585 if (avctx->level == 8) // Main
1586 return &mxf_mpeg2_codec_uls[0+long_gop];
1587 else if (avctx->level == 4) // High
1588 return &mxf_mpeg2_codec_uls[4+long_gop];
1589 else if (avctx->level == 6) // High 14
1590 return &mxf_mpeg2_codec_uls[8+long_gop];
1591 } else if (avctx->profile == 0) { // 422
1592 if (avctx->level == 5) // Main
1593 return &mxf_mpeg2_codec_uls[2+long_gop];
1594 else if (avctx->level == 2) // High
1595 return &mxf_mpeg2_codec_uls[6+long_gop];
1596 }
1597 return NULL;
1598}
1599
1600static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1601 AVPacket *pkt, MXFIndexEntry *e)
1602{
1603 MXFStreamContext *sc = st->priv_data;
1604 uint32_t c = -1;
1605 int i;
1606
1607 for(i = 0; i < pkt->size - 4; i++) {
1608 c = (c<<8) + pkt->data[i];
1609 if (c == 0x1b5) {
1610 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1611 st->codec->profile = pkt->data[i+1] & 0x07;
1612 st->codec->level = pkt->data[i+2] >> 4;
1613 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1614 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1615 if (sc->interlaced)
1616 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1617 break;
1618 }
1619 } else if (c == 0x1b8) { // gop
1620 if (pkt->data[i+4]>>6 & 0x01) { // closed
1621 sc->closed_gop = 1;
1622 if (e->flags & 0x40) // sequence header present
1623 e->flags |= 0x80; // random access
1624 }
1625 } else if (c == 0x1b3) { // seq
1626 e->flags |= 0x40;
1627 switch ((pkt->data[i+4]>>4) & 0xf) {
1628 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1629 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1630 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1631 default:
1632 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1633 st->codec->width, st->codec->height, 1024*1024);
1634 }
1635 } else if (c == 0x100) { // pic
1636 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1637 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1638 if (pict_type == 2) { // P frame
1639 e->flags |= 0x22;
1640 sc->closed_gop = 0; // reset closed gop, don't matter anymore
1641 } else if (pict_type == 3) { // B frame
1642 if (sc->closed_gop)
1643 e->flags |= 0x13; // only backward prediction
1644 else
1645 e->flags |= 0x33;
1646 sc->temporal_reordering = -1;
1647 } else if (!pict_type) {
1648 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1649 return 0;
1650 }
1651 }
1652 }
1653 if (s->oformat != &ff_mxf_d10_muxer)
1654 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
1655 return !!sc->codec_ul;
1656}
1657
1658static uint64_t mxf_parse_timestamp(time_t timestamp)
1659{
1660 struct tm *time = gmtime(&timestamp);
1661 if (!time)
1662 return 0;
1663 return (uint64_t)(time->tm_year+1900) << 48 |
1664 (uint64_t)(time->tm_mon+1) << 40 |
1665 (uint64_t) time->tm_mday << 32 |
1666 time->tm_hour << 24 |
1667 time->tm_min << 16 |
1668 time->tm_sec << 8;
1669}
1670
1671static void mxf_gen_umid(AVFormatContext *s)
1672{
1673 MXFContext *mxf = s->priv_data;
1674 uint32_t seed = av_get_random_seed();
1675 uint64_t umid = seed + 0x5294713400000000LL;
1676
1677 AV_WB64(mxf->umid , umid);
1678 AV_WB64(mxf->umid+8, umid>>8);
1679
1680 mxf->instance_number = seed & 0xFFFFFF;
1681}
1682
1683static int mxf_write_header(AVFormatContext *s)
1684{
1685 MXFContext *mxf = s->priv_data;
1686 int i, ret;
1687 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
1688 const MXFSamplesPerFrame *spf = NULL;
1689 AVDictionaryEntry *t;
1690 int64_t timestamp = 0;
1691 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
1692
1693 if (!s->nb_streams)
1694 return -1;
1695
1696 for (i = 0; i < s->nb_streams; i++) {
1697 AVStream *st = s->streams[i];
1698 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
1699 if (!sc)
1700 return AVERROR(ENOMEM);
1701 st->priv_data = sc;
1702
1703 if ((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) {
1704 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
1705 return -1;
1706 }
1707
1708 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1709 // TODO: should be avg_frame_rate
1710 AVRational rate, tbc = st->time_base;
1711 // Default component depth to 8
1712 sc->component_depth = 8;
1713 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
1714 spf = ff_mxf_get_samples_per_frame(s, tbc);
1715 if (!spf) {
1716 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
1717 tbc.den, tbc.num);
1718 return AVERROR(EINVAL);
1719 }
1720 mxf->time_base = spf->time_base;
1721 rate = av_inv_q(mxf->time_base);
1722 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
1723 if (!tcr)
1724 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
1725 if (tcr)
1726 ret = av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
1727 else
1728 ret = av_timecode_init(&mxf->tc, rate, 0, 0, s);
1729 if (ret < 0)
1730 return ret;
1731 sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
1732 if (s->oformat == &ff_mxf_d10_muxer) {
1733 if (sc->video_bit_rate == 50000000) {
1734 if (mxf->time_base.den == 25) sc->index = 3;
1735 else sc->index = 5;
1736 } else if (sc->video_bit_rate == 40000000) {
1737 if (mxf->time_base.den == 25) sc->index = 7;
1738 else sc->index = 9;
1739 } else if (sc->video_bit_rate == 30000000) {
1740 if (mxf->time_base.den == 25) sc->index = 11;
1741 else sc->index = 13;
1742 } else {
1743 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
1744 return -1;
1745 }
1746
1747 mxf->edit_unit_byte_count = KAG_SIZE; // system element
1748 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
1749 mxf->time_base.num / (8*mxf->time_base.den);
1750 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1751 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
1752 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1753 }
1754 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1755 if (st->codec->sample_rate != 48000) {
1756 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
1757 return -1;
1758 }
1759 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
1760 if (s->oformat == &ff_mxf_d10_muxer) {
1761 if (st->index != 1) {
1762 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
1763 return -1;
1764 }
1765 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
1766 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
1767 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
1768 }
1769 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
1770 } else
1771 mxf->slice_count = 1;
1772 }
1773
1774 if (!sc->index) {
1775 sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
1776 if (sc->index == -1) {
1777 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
1778 "codec not currently supported in container\n", i);
1779 return -1;
1780 }
1781 }
1782
1783 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1784
1785 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
1786 sc->track_essence_element_key[15] = present[sc->index];
1787 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
1788
1789 if (!present[sc->index])
1790 mxf->essence_container_count++;
1791 present[sc->index]++;
1792 }
1793
1794 if (s->oformat == &ff_mxf_d10_muxer) {
1795 mxf->essence_container_count = 1;
1796 }
1797
1798 if (!(s->flags & AVFMT_FLAG_BITEXACT))
1799 mxf_gen_umid(s);
1800
1801 for (i = 0; i < s->nb_streams; i++) {
1802 MXFStreamContext *sc = s->streams[i]->priv_data;
1803 // update element count
1804 sc->track_essence_element_key[13] = present[sc->index];
1805 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
1806 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
1807 else
1808 sc->order = AV_RB32(sc->track_essence_element_key+12);
1809 }
1810
1811 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
1812 timestamp = ff_iso8601_to_unix_time(t->value);
1813 if (timestamp)
1814 mxf->timestamp = mxf_parse_timestamp(timestamp);
1815 mxf->duration = -1;
1816
1817 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
1818 if (!mxf->timecode_track)
1819 return AVERROR(ENOMEM);
1820 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
1821 if (!mxf->timecode_track->priv_data)
1822 return AVERROR(ENOMEM);
1823 mxf->timecode_track->index = -1;
1824
1825 if (!spf)
1826 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
1827
1828 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
1829 return -1;
1830
1831 return 0;
1832}
1833
1834static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
1835static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
1836
1837static void mxf_write_system_item(AVFormatContext *s)
1838{
1839 MXFContext *mxf = s->priv_data;
1840 AVIOContext *pb = s->pb;
1841 unsigned frame;
1842 uint32_t time_code;
1843
1844 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
1845
1846 // write system metadata pack
1847 avio_write(pb, system_metadata_pack_key, 16);
1848 klv_encode_ber4_length(pb, 57);
1849 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
1850 avio_w8(pb, 0x04); // content package rate
1851 avio_w8(pb, 0x00); // content package type
1852 avio_wb16(pb, 0x00); // channel handle
1853 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
1854 if (mxf->essence_container_count > 1)
1855 avio_write(pb, multiple_desc_ul, 16);
1856 else {
1857 MXFStreamContext *sc = s->streams[0]->priv_data;
1858 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1859 }
1860 avio_w8(pb, 0);
1861 avio_wb64(pb, 0);
1862 avio_wb64(pb, 0); // creation date/time stamp
1863
1864 avio_w8(pb, 0x81); // SMPTE 12M time code
1865 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
1866 avio_wb32(pb, time_code);
1867 avio_wb32(pb, 0); // binary group data
1868 avio_wb64(pb, 0);
1869
1870 // write system metadata package set
1871 avio_write(pb, system_metadata_package_set_key, 16);
1872 klv_encode_ber4_length(pb, 35);
1873 avio_w8(pb, 0x83); // UMID
1874 avio_wb16(pb, 0x20);
1875 mxf_write_umid(s, 1);
1876}
1877
1878static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1879{
1880 MXFContext *mxf = s->priv_data;
1881 AVIOContext *pb = s->pb;
1882 MXFStreamContext *sc = st->priv_data;
1883 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
1884 (8*mxf->time_base.den); // frame size
1885 int pad;
1886
1887 packet_size += 16 + 4;
1888 packet_size += klv_fill_size(packet_size);
1889
1890 klv_encode_ber4_length(pb, pkt->size);
1891 avio_write(pb, pkt->data, pkt->size);
1892
1893 // ensure CBR muxing by padding to correct video frame size
1894 pad = packet_size - pkt->size - 16 - 4;
1895 if (pad > 20) {
1896 avio_write(s->pb, klv_fill_key, 16);
1897 pad -= 16 + 4;
1898 klv_encode_ber4_length(s->pb, pad);
1899 ffio_fill(s->pb, 0, pad);
1900 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1901 } else {
1902 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
1903 ffio_fill(s->pb, 0, pad);
1904 }
1905}
1906
1907static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1908{
1909 MXFContext *mxf = s->priv_data;
1910 AVIOContext *pb = s->pb;
1911 int frame_size = pkt->size / st->codec->block_align;
1912 uint8_t *samples = pkt->data;
1913 uint8_t *end = pkt->data + pkt->size;
1914 int i;
1915
1916 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
1917
1918 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
1919 avio_wl16(pb, frame_size);
1920 avio_w8(pb, (1<<st->codec->channels)-1);
1921
1922 while (samples < end) {
1923 for (i = 0; i < st->codec->channels; i++) {
1924 uint32_t sample;
1925 if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
1926 sample = AV_RL24(samples)<< 4;
1927 samples += 3;
1928 } else {
1929 sample = AV_RL16(samples)<<12;
1930 samples += 2;
1931 }
1932 avio_wl32(pb, sample | i);
1933 }
1934 for (; i < 8; i++)
1935 avio_wl32(pb, i);
1936 }
1937}
1938
1939static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
1940{
1941 MXFContext *mxf = s->priv_data;
1942 AVIOContext *pb = s->pb;
1943 AVStream *st = s->streams[pkt->stream_index];
1944 MXFStreamContext *sc = st->priv_data;
1945 MXFIndexEntry ie = {0};
1946 int err;
1947
1948 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
1949 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
1950 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
1951 mxf->edit_units_count = 0;
1952 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
1953 return err;
1954 }
1955 }
1956
1957 if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
1958 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
1959 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
1960 return -1;
1961 }
1962 } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
1963 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
1964 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
1965 return -1;
1966 }
1967 } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
1968 if (!mxf_parse_dv_frame(s, st, pkt)) {
1969 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
1970 return -1;
1971 }
1972 }
1973
1974 if (!mxf->header_written) {
1975 if (mxf->edit_unit_byte_count) {
1976 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
1977 return err;
1978 mxf_write_klv_fill(s);
1979 mxf_write_index_table_segment(s);
1980 } else {
1981 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
1982 return err;
1983 }
1984 mxf->header_written = 1;
1985 }
1986
1987 if (st->index == 0) {
1988 if (!mxf->edit_unit_byte_count &&
1989 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
1990 !(ie.flags & 0x33)) { // I frame, Gop start
1991 mxf_write_klv_fill(s);
1992 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
1993 return err;
1994 mxf_write_klv_fill(s);
1995 mxf_write_index_table_segment(s);
1996 }
1997
1998 mxf_write_klv_fill(s);
1999 mxf_write_system_item(s);
2000
2001 if (!mxf->edit_unit_byte_count) {
2002 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2003 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2004 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2005 mxf->body_offset += KAG_SIZE; // size of system element
2006 }
2007 mxf->edit_units_count++;
2008 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2009 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2010 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2011 }
2012
2013 mxf_write_klv_fill(s);
2014 avio_write(pb, sc->track_essence_element_key, 16); // write key
2015 if (s->oformat == &ff_mxf_d10_muxer) {
2016 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2017 mxf_write_d10_video_packet(s, st, pkt);
2018 else
2019 mxf_write_d10_audio_packet(s, st, pkt);
2020 } else {
2021 klv_encode_ber4_length(pb, pkt->size); // write length
2022 avio_write(pb, pkt->data, pkt->size);
2023 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2024 }
2025
2026 avio_flush(pb);
2027
2028 return 0;
2029}
2030
2031static void mxf_write_random_index_pack(AVFormatContext *s)
2032{
2033 MXFContext *mxf = s->priv_data;
2034 AVIOContext *pb = s->pb;
2035 uint64_t pos = avio_tell(pb);
2036 int i;
2037
2038 avio_write(pb, random_index_pack_key, 16);
2039 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2040
2041 if (mxf->edit_unit_byte_count)
2042 avio_wb32(pb, 1); // BodySID of header partition
2043 else
2044 avio_wb32(pb, 0);
2045 avio_wb64(pb, 0); // offset of header partition
2046
2047 for (i = 0; i < mxf->body_partitions_count; i++) {
2048 avio_wb32(pb, 1); // BodySID
2049 avio_wb64(pb, mxf->body_partition_offset[i]);
2050 }
2051
2052 avio_wb32(pb, 0); // BodySID of footer partition
2053 avio_wb64(pb, mxf->footer_partition_offset);
2054
2055 avio_wb32(pb, avio_tell(pb) - pos + 4);
2056}
2057
2058static int mxf_write_footer(AVFormatContext *s)
2059{
2060 MXFContext *mxf = s->priv_data;
2061 AVIOContext *pb = s->pb;
2062 int err;
2063
2064 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2065
2066 mxf_write_klv_fill(s);
2067 mxf->footer_partition_offset = avio_tell(pb);
2068 if (mxf->edit_unit_byte_count) { // no need to repeat index
2069 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2070 return err;
2071 } else {
2072 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2073 return err;
2074 mxf_write_klv_fill(s);
2075 mxf_write_index_table_segment(s);
2076 }
2077
2078 mxf_write_klv_fill(s);
2079 mxf_write_random_index_pack(s);
2080
2081 if (s->pb->seekable) {
2082 avio_seek(pb, 0, SEEK_SET);
2083 if (mxf->edit_unit_byte_count) {
2084 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2085 return err;
2086 mxf_write_klv_fill(s);
2087 mxf_write_index_table_segment(s);
2088 } else {
2089 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2090 return err;
2091 }
2092 }
2093
2094 ff_audio_interleave_close(s);
2095
2096 av_freep(&mxf->index_entries);
2097 av_freep(&mxf->body_partition_offset);
2098 av_freep(&mxf->timecode_track->priv_data);
2099 av_freep(&mxf->timecode_track);
2100
2101 mxf_free(s);
2102
2103 return 0;
2104}
2105
2106static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2107{
2108 int i, stream_count = 0;
2109
2110 for (i = 0; i < s->nb_streams; i++)
2111 stream_count += !!s->streams[i]->last_in_packet_buffer;
2112
2113 if (stream_count && (s->nb_streams == stream_count || flush)) {
2114 AVPacketList *pktl = s->packet_buffer;
2115 if (s->nb_streams != stream_count) {
2116 AVPacketList *last = NULL;
2117 // find last packet in edit unit
2118 while (pktl) {
2119 if (!stream_count || pktl->pkt.stream_index == 0)
2120 break;
2121 last = pktl;
2122 pktl = pktl->next;
2123 stream_count--;
2124 }
2125 // purge packet queue
2126 while (pktl) {
2127 AVPacketList *next = pktl->next;
2128
2129 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2130 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2131 av_free_packet(&pktl->pkt);
2132 av_freep(&pktl);
2133 pktl = next;
2134 }
2135 if (last)
2136 last->next = NULL;
2137 else {
2138 s->packet_buffer = NULL;
2139 s->packet_buffer_end= NULL;
2140 goto out;
2141 }
2142 pktl = s->packet_buffer;
2143 }
2144
2145 *out = pktl->pkt;
2146 av_dlog(s, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2147 s->packet_buffer = pktl->next;
2148 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2149 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2150 if(!s->packet_buffer)
2151 s->packet_buffer_end= NULL;
2152 av_freep(&pktl);
2153 return 1;
2154 } else {
2155 out:
2156 av_init_packet(out);
2157 return 0;
2158 }
2159}
2160
2161static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2162{
2163 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2164 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2165
2166 return next->dts > pkt->dts ||
2167 (next->dts == pkt->dts && sc->order < sc2->order);
2168}
2169
2170static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2171{
2172 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2173 mxf_interleave_get_packet, mxf_compare_timestamps);
2174}
2175
2176static const AVOption d10_options[] = {
2177 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2178 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2179 { NULL },
2180};
2181
2182static const AVClass mxf_d10_muxer_class = {
2183 .class_name = "MXF-D10 muxer",
2184 .item_name = av_default_item_name,
2185 .option = d10_options,
2186 .version = LIBAVUTIL_VERSION_INT,
2187};
2188
2189AVOutputFormat ff_mxf_muxer = {
2190 .name = "mxf",
2191 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2192 .mime_type = "application/mxf",
2193 .extensions = "mxf",
2194 .priv_data_size = sizeof(MXFContext),
2195 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2196 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2197 .write_header = mxf_write_header,
2198 .write_packet = mxf_write_packet,
2199 .write_trailer = mxf_write_footer,
2200 .flags = AVFMT_NOTIMESTAMPS,
2201 .interleave_packet = mxf_interleave,
2202};
2203
2204AVOutputFormat ff_mxf_d10_muxer = {
2205 .name = "mxf_d10",
2206 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2207 .mime_type = "application/mxf",
2208 .priv_data_size = sizeof(MXFContext),
2209 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2210 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2211 .write_header = mxf_write_header,
2212 .write_packet = mxf_write_packet,
2213 .write_trailer = mxf_write_footer,
2214 .flags = AVFMT_NOTIMESTAMPS,
2215 .interleave_packet = mxf_interleave,
2216 .priv_class = &mxf_d10_muxer_class,
2217};
ffmpeg Piment Noir Debian package repository