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path: root/libavformat/mxfenc.c (plain)
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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 * signal_standard, color_siting, store_user_comments and klv_fill_key version
25 * fixes sponsored by NOA GmbH
26 */
27
28/*
29 * References
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE RP210: SMPTE Metadata Dictionary
36 * SMPTE RP224: Registry of SMPTE Universal Labels
37 */
38
39#include <inttypes.h>
40#include <math.h>
41#include <time.h>
42
43#include "libavutil/opt.h"
44#include "libavutil/random_seed.h"
45#include "libavutil/timecode.h"
46#include "libavutil/avassert.h"
47#include "libavutil/pixdesc.h"
48#include "libavutil/time_internal.h"
49#include "libavcodec/bytestream.h"
50#include "libavcodec/dnxhddata.h"
51#include "libavcodec/h264.h"
52#include "libavcodec/internal.h"
53#include "audiointerleave.h"
54#include "avformat.h"
55#include "avio_internal.h"
56#include "internal.h"
57#include "mxf.h"
58#include "config.h"
59
60extern AVOutputFormat ff_mxf_d10_muxer;
61extern AVOutputFormat ff_mxf_opatom_muxer;
62
63#define EDIT_UNITS_PER_BODY 250
64#define KAG_SIZE 512
65
66typedef struct MXFLocalTagPair {
67 int local_tag;
68 UID uid;
69} MXFLocalTagPair;
70
71typedef struct MXFIndexEntry {
72 uint8_t flags;
73 uint64_t offset;
74 unsigned slice_offset; ///< offset of audio slice
75 uint16_t temporal_ref;
76} MXFIndexEntry;
77
78typedef struct MXFStreamContext {
79 AudioInterleaveContext aic;
80 UID track_essence_element_key;
81 int index; ///< index in mxf_essence_container_uls table
82 const UID *codec_ul;
83 int order; ///< interleaving order if dts are equal
84 int interlaced; ///< whether picture is interlaced
85 int field_dominance; ///< tff=1, bff=2
86 int component_depth;
87 int color_siting;
88 int signal_standard;
89 int h_chroma_sub_sample;
90 int temporal_reordering;
91 AVRational aspect_ratio; ///< display aspect ratio
92 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
93 int video_bit_rate;
94} MXFStreamContext;
95
96typedef struct MXFContainerEssenceEntry {
97 UID container_ul;
98 UID element_ul;
99 UID codec_ul;
100 void (*write_desc)(AVFormatContext *, AVStream *);
101} MXFContainerEssenceEntry;
102
103static const struct {
104 enum AVCodecID id;
105 int index;
106} mxf_essence_mappings[] = {
107 { AV_CODEC_ID_MPEG2VIDEO, 0 },
108 { AV_CODEC_ID_PCM_S24LE, 1 },
109 { AV_CODEC_ID_PCM_S16LE, 1 },
110 { AV_CODEC_ID_DVVIDEO, 15 },
111 { AV_CODEC_ID_DNXHD, 24 },
112 { AV_CODEC_ID_JPEG2000, 34 },
113 { AV_CODEC_ID_H264, 35 },
114 { AV_CODEC_ID_NONE }
115};
116
117static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
118static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
119static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
120static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
121static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
122
123static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
124 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
125 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
126 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
127 mxf_write_mpegvideo_desc },
128 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
129 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
130 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
131 mxf_write_aes3_desc },
132 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
133 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
134 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
135 mxf_write_wav_desc },
136 // D-10 625/50 PAL 50mb/s
137 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
138 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
139 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
140 mxf_write_cdci_desc },
141 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
142 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
143 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
144 mxf_write_generic_sound_desc },
145 // D-10 525/60 NTSC 50mb/s
146 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
147 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
148 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
149 mxf_write_cdci_desc },
150 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
151 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
152 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
153 mxf_write_generic_sound_desc },
154 // D-10 625/50 PAL 40mb/s
155 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
156 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
157 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
158 mxf_write_cdci_desc },
159 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
160 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
161 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
162 mxf_write_generic_sound_desc },
163 // D-10 525/60 NTSC 40mb/s
164 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
165 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
166 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
167 mxf_write_cdci_desc },
168 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
169 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
170 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
171 mxf_write_generic_sound_desc },
172 // D-10 625/50 PAL 30mb/s
173 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
174 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
175 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
176 mxf_write_cdci_desc },
177 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
178 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
179 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
180 mxf_write_generic_sound_desc },
181 // D-10 525/60 NTSC 30mb/s
182 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
183 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
185 mxf_write_cdci_desc },
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
189 mxf_write_generic_sound_desc },
190 // DV Unknown
191 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
192 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
193 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
194 mxf_write_cdci_desc },
195 // DV25 525/60
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
199 mxf_write_cdci_desc },
200 // DV25 625/50
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
204 mxf_write_cdci_desc },
205 // DV50 525/60
206 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
207 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
209 mxf_write_cdci_desc },
210 // DV50 625/50
211 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
212 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
213 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
214 mxf_write_cdci_desc },
215 // DV100 1080/60
216 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
217 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
219 mxf_write_cdci_desc },
220 // DV100 1080/50
221 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
222 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
224 mxf_write_cdci_desc },
225 // DV100 720/60
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
229 mxf_write_cdci_desc },
230 // DV100 720/50
231 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
232 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
233 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
234 mxf_write_cdci_desc },
235 // DNxHD 1080p 10bit 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,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
239 mxf_write_cdci_desc },
240 // DNxHD 1080p 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
244 mxf_write_cdci_desc },
245 // DNxHD 1080p 8bit high
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,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
249 mxf_write_cdci_desc },
250 // DNxHD 1080i 10bit 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,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
254 mxf_write_cdci_desc },
255 // DNxHD 1080i 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
259 mxf_write_cdci_desc },
260 // DNxHD 1080i 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,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
264 mxf_write_cdci_desc },
265 // DNxHD 720p 10bit
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,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
269 mxf_write_cdci_desc },
270 // DNxHD 720p 8bit high
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,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
274 mxf_write_cdci_desc },
275 // DNxHD 720p 8bit medium
276 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
277 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
278 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
279 mxf_write_cdci_desc },
280 // DNxHD 720p 8bit low
281 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
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,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
284 mxf_write_cdci_desc },
285 // JPEG2000
286 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
287 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
288 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
289 mxf_write_cdci_desc },
290 // H.264
291 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
292 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
294 mxf_write_mpegvideo_desc },
295 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
296 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
297 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
298 NULL },
299};
300
301typedef struct MXFContext {
302 AVClass *av_class;
303 int64_t footer_partition_offset;
304 int essence_container_count;
305 AVRational time_base;
306 int header_written;
307 MXFIndexEntry *index_entries;
308 unsigned edit_units_count;
309 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
310 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
311 int last_indexed_edit_unit;
312 uint64_t *body_partition_offset;
313 unsigned body_partitions_count;
314 int last_key_index; ///< index of last key frame
315 uint64_t duration;
316 AVTimecode tc; ///< timecode context
317 AVStream *timecode_track;
318 int timecode_base; ///< rounded time code base (25 or 30)
319 int edit_unit_byte_count; ///< fixed edit unit byte count
320 uint64_t body_offset;
321 uint32_t instance_number;
322 uint8_t umid[16]; ///< unique material identifier
323 int channel_count;
324 int signal_standard;
325 uint32_t tagged_value_count;
326 AVRational audio_edit_rate;
327 int store_user_comments;
328} MXFContext;
329
330static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
331static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
332
333/**
334 * complete key for operation pattern, partitions, and primer pack
335 */
336static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
337static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
338static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
339static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
340static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
341static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
342static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
343static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
344static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
345static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
346
347/**
348 * partial key for header metadata
349 */
350static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
351static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
352
353/**
354 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
355 * https://smpte-ra.org/sites/default/files/Labels.xml
356 */
357static const MXFLocalTagPair mxf_local_tag_batch[] = {
358 // preface set
359 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
360 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
361 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
362 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
363 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
364 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
365 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
366 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
367 // Identification
368 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
369 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
370 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
371 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
372 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
373 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
374 // Content Storage
375 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
376 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
377 // Essence Container Data
378 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
379 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
380 // Package
381 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
382 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
383 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
384 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
385 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
386 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
387 // Track
388 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
389 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
390 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
391 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
392 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
393 // Sequence
394 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
395 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
396 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
397 // Source Clip
398 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
399 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
400 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
401 // Timecode Component
402 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
403 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
404 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
405 // File Descriptor
406 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
407 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
408 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
409 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
410 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
411 // Generic Picture Essence Descriptor
412 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
413 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
414 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
415 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
416 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
417 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
418 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
419 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
420 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
421 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
422 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
423 // CDCI Picture Essence Descriptor
424 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
425 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
426 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
427 // Generic Sound Essence Descriptor
428 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
429 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
430 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
431 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
432 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
433 // Index Table Segment
434 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
435 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
436 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
437 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
438 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
439 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
440 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
441 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
442 // MPEG video Descriptor
443 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
444 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
445 // Wave Audio Essence Descriptor
446 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
447 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
448};
449
450static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
451 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
452 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
453 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
454};
455
456static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
457{
458 avio_write(pb, uuid_base, 12);
459 avio_wb16(pb, type);
460 avio_wb16(pb, value);
461}
462
463static void mxf_write_umid(AVFormatContext *s, int type)
464{
465 MXFContext *mxf = s->priv_data;
466 avio_write(s->pb, umid_ul, 13);
467 avio_wb24(s->pb, mxf->instance_number);
468 avio_write(s->pb, mxf->umid, 15);
469 avio_w8(s->pb, type);
470}
471
472static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
473{
474 avio_wb32(pb, ref_count);
475 avio_wb32(pb, 16);
476}
477
478static int klv_ber_length(uint64_t len)
479{
480 if (len < 128)
481 return 1;
482 else
483 return (av_log2(len) >> 3) + 2;
484}
485
486static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
487{
488 // Determine the best BER size
489 int size;
490 if (len < 128) {
491 //short form
492 avio_w8(pb, len);
493 return 1;
494 }
495
496 size = (av_log2(len) >> 3) + 1;
497
498 // long form
499 avio_w8(pb, 0x80 + size);
500 while(size) {
501 size--;
502 avio_w8(pb, len >> 8 * size & 0xff);
503 }
504 return 0;
505}
506
507static void klv_encode_ber4_length(AVIOContext *pb, int len)
508{
509 avio_w8(pb, 0x80 + 3);
510 avio_wb24(pb, len);
511}
512
513static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
514{
515 avio_w8(pb, 0x80 + 8);
516 avio_wb64(pb, len);
517}
518
519/*
520 * Get essence container ul index
521 */
522static int mxf_get_essence_container_ul_index(enum AVCodecID id)
523{
524 int i;
525 for (i = 0; mxf_essence_mappings[i].id; i++)
526 if (mxf_essence_mappings[i].id == id)
527 return mxf_essence_mappings[i].index;
528 return -1;
529}
530
531static void mxf_write_primer_pack(AVFormatContext *s)
532{
533 MXFContext *mxf = s->priv_data;
534 AVIOContext *pb = s->pb;
535 int local_tag_number, i = 0;
536
537 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
538 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
539
540 avio_write(pb, primer_pack_key, 16);
541 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
542
543 avio_wb32(pb, local_tag_number); // local_tag num
544 avio_wb32(pb, 18); // item size, always 18 according to the specs
545
546 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
547 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
548 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
549 }
550 if (mxf->store_user_comments)
551 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
552 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
553 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
554 }
555}
556
557static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
558{
559 avio_wb16(pb, tag);
560 avio_wb16(pb, size);
561}
562
563static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
564{
565 avio_write(pb, header_metadata_key, 13);
566 avio_wb24(pb, value);
567}
568
569static void mxf_free(AVFormatContext *s)
570{
571 int i;
572
573 for (i = 0; i < s->nb_streams; i++) {
574 AVStream *st = s->streams[i];
575 av_freep(&st->priv_data);
576 }
577}
578
579static const MXFCodecUL *mxf_get_data_definition_ul(int type)
580{
581 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
582 while (uls->uid[0]) {
583 if (type == uls->id)
584 break;
585 uls++;
586 }
587 return uls;
588}
589
590//one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
591#define DESCRIPTOR_COUNT(essence_container_count) \
592 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
593
594static void mxf_write_essence_container_refs(AVFormatContext *s)
595{
596 MXFContext *c = s->priv_data;
597 AVIOContext *pb = s->pb;
598 int i;
599
600 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
601 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
602 for (i = 0; i < c->essence_container_count; i++) {
603 MXFStreamContext *sc = s->streams[i]->priv_data;
604 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
605 }
606
607 if (c->essence_container_count > 1)
608 avio_write(pb, multiple_desc_ul, 16);
609}
610
611static void mxf_write_preface(AVFormatContext *s)
612{
613 MXFContext *mxf = s->priv_data;
614 AVIOContext *pb = s->pb;
615
616 mxf_write_metadata_key(pb, 0x012f00);
617 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
618 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
619
620 // write preface set uid
621 mxf_write_local_tag(pb, 16, 0x3C0A);
622 mxf_write_uuid(pb, Preface, 0);
623 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
624
625 // last modified date
626 mxf_write_local_tag(pb, 8, 0x3B02);
627 avio_wb64(pb, mxf->timestamp);
628
629 // write version
630 mxf_write_local_tag(pb, 2, 0x3B05);
631 avio_wb16(pb, 258); // v1.2
632
633 // write identification_refs
634 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
635 mxf_write_refs_count(pb, 1);
636 mxf_write_uuid(pb, Identification, 0);
637
638 // write content_storage_refs
639 mxf_write_local_tag(pb, 16, 0x3B03);
640 mxf_write_uuid(pb, ContentStorage, 0);
641
642 // operational pattern
643 mxf_write_local_tag(pb, 16, 0x3B09);
644 if (s->oformat == &ff_mxf_opatom_muxer)
645 avio_write(pb, opatom_ul, 16);
646 else
647 avio_write(pb, op1a_ul, 16);
648
649 // write essence_container_refs
650 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
651 mxf_write_essence_container_refs(s);
652
653 // write dm_scheme_refs
654 mxf_write_local_tag(pb, 8, 0x3B0B);
655 avio_wb64(pb, 0);
656}
657
658/*
659 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
660 * from decoding the utf-8 string.
661 */
662static uint64_t mxf_utf16len(const char *utf8_str)
663{
664 const uint8_t *q = utf8_str;
665 uint64_t size = 0;
666 while (*q) {
667 uint32_t ch;
668 GET_UTF8(ch, *q++, goto invalid;)
669 if (ch < 0x10000)
670 size++;
671 else
672 size += 2;
673 continue;
674invalid:
675 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
676 }
677 size += 1;
678 return size;
679}
680
681/*
682 * Returns the calculated length a local tag containing an utf-8 string as utf-16
683 */
684static int mxf_utf16_local_tag_length(const char *utf8_str)
685{
686 uint64_t size;
687
688 if (!utf8_str)
689 return 0;
690
691 size = mxf_utf16len(utf8_str);
692 if (size >= UINT16_MAX/2) {
693 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
694 return 0;
695 }
696
697 return 4 + size * 2;
698}
699
700/*
701 * Write a local tag containing an utf-8 string as utf-16
702 */
703static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
704{
705 uint64_t size = mxf_utf16len(value);
706
707 if (size >= UINT16_MAX/2) {
708 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
709 return;
710 }
711
712 mxf_write_local_tag(pb, size*2, tag);
713 avio_put_str16be(pb, value);
714}
715
716static void mxf_write_identification(AVFormatContext *s)
717{
718 MXFContext *mxf = s->priv_data;
719 AVIOContext *pb = s->pb;
720 const char *company = "FFmpeg";
721 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
722 const char *version;
723 int length;
724
725 mxf_write_metadata_key(pb, 0x013000);
726 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
727
728 version = s->flags & AVFMT_FLAG_BITEXACT ?
729 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
730 length = 72 + mxf_utf16_local_tag_length(company) +
731 mxf_utf16_local_tag_length(product) +
732 mxf_utf16_local_tag_length(version);
733 klv_encode_ber_length(pb, length);
734
735 // write uid
736 mxf_write_local_tag(pb, 16, 0x3C0A);
737 mxf_write_uuid(pb, Identification, 0);
738 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
739
740 // write generation uid
741 mxf_write_local_tag(pb, 16, 0x3C09);
742 mxf_write_uuid(pb, Identification, 1);
743 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
744 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
745 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
746
747 // write product uid
748 mxf_write_local_tag(pb, 16, 0x3C05);
749 mxf_write_uuid(pb, Identification, 2);
750
751 // modification date
752 mxf_write_local_tag(pb, 8, 0x3C06);
753 avio_wb64(pb, mxf->timestamp);
754}
755
756static void mxf_write_content_storage(AVFormatContext *s)
757{
758 AVIOContext *pb = s->pb;
759
760 mxf_write_metadata_key(pb, 0x011800);
761 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
762 klv_encode_ber_length(pb, 92);
763
764 // write uid
765 mxf_write_local_tag(pb, 16, 0x3C0A);
766 mxf_write_uuid(pb, ContentStorage, 0);
767 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
768
769 // write package reference
770 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
771 mxf_write_refs_count(pb, 2);
772 mxf_write_uuid(pb, MaterialPackage, 0);
773 mxf_write_uuid(pb, SourcePackage, 0);
774
775 // write essence container data
776 mxf_write_local_tag(pb, 8 + 16, 0x1902);
777 mxf_write_refs_count(pb, 1);
778 mxf_write_uuid(pb, EssenceContainerData, 0);
779}
780
781static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
782{
783 MXFContext *mxf = s->priv_data;
784 AVIOContext *pb = s->pb;
785 MXFStreamContext *sc = st->priv_data;
786
787 mxf_write_metadata_key(pb, 0x013b00);
788 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
789 klv_encode_ber_length(pb, 80);
790
791 // write track uid
792 mxf_write_local_tag(pb, 16, 0x3C0A);
793 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
794 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
795
796 // write track id
797 mxf_write_local_tag(pb, 4, 0x4801);
798 avio_wb32(pb, st->index+2);
799
800 // write track number
801 mxf_write_local_tag(pb, 4, 0x4804);
802 if (type == MaterialPackage)
803 avio_wb32(pb, 0); // track number of material package is 0
804 else
805 avio_write(pb, sc->track_essence_element_key + 12, 4);
806
807 mxf_write_local_tag(pb, 8, 0x4B01);
808
809 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
810 avio_wb32(pb, mxf->tc.rate.num);
811 avio_wb32(pb, mxf->tc.rate.den);
812 } else {
813 avio_wb32(pb, mxf->time_base.den);
814 avio_wb32(pb, mxf->time_base.num);
815 }
816
817 // write origin
818 mxf_write_local_tag(pb, 8, 0x4B02);
819 avio_wb64(pb, 0);
820
821 // write sequence refs
822 mxf_write_local_tag(pb, 16, 0x4803);
823 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
824}
825
826static 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 };
827
828static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
829{
830 MXFContext *mxf = s->priv_data;
831 AVIOContext *pb = s->pb;
832
833 // find data define uls
834 mxf_write_local_tag(pb, 16, 0x0201);
835 if (st == mxf->timecode_track)
836 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
837 else {
838 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
839 avio_write(pb, data_def_ul->uid, 16);
840 }
841
842 // write duration
843 mxf_write_local_tag(pb, 8, 0x0202);
844
845 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO){
846 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
847 } else {
848 avio_wb64(pb, mxf->duration);
849 }
850}
851
852static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
853{
854 MXFContext *mxf = s->priv_data;
855 AVIOContext *pb = s->pb;
856 enum MXFMetadataSetType component;
857
858 mxf_write_metadata_key(pb, 0x010f00);
859 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
860 klv_encode_ber_length(pb, 80);
861
862 mxf_write_local_tag(pb, 16, 0x3C0A);
863 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
864
865 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
866 mxf_write_common_fields(s, st);
867
868 // write structural component
869 mxf_write_local_tag(pb, 16 + 8, 0x1001);
870 mxf_write_refs_count(pb, 1);
871 if (st == mxf->timecode_track)
872 component = TimecodeComponent;
873 else
874 component = SourceClip;
875 if (type == SourcePackage)
876 component += TypeBottom;
877 mxf_write_uuid(pb, component, st->index);
878}
879
880static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
881{
882 MXFContext *mxf = s->priv_data;
883 AVIOContext *pb = s->pb;
884
885 mxf_write_metadata_key(pb, 0x011400);
886 klv_encode_ber_length(pb, 75);
887
888 // UID
889 mxf_write_local_tag(pb, 16, 0x3C0A);
890 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
891 TimecodeComponent + TypeBottom, st->index);
892
893 mxf_write_common_fields(s, st);
894
895 // Start Time Code
896 mxf_write_local_tag(pb, 8, 0x1501);
897 avio_wb64(pb, mxf->tc.start);
898
899 // Rounded Time Code Base
900 mxf_write_local_tag(pb, 2, 0x1502);
901 avio_wb16(pb, mxf->timecode_base);
902
903 // Drop Frame
904 mxf_write_local_tag(pb, 1, 0x1503);
905 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
906}
907
908static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
909{
910 AVIOContext *pb = s->pb;
911 int i;
912
913 mxf_write_metadata_key(pb, 0x011100);
914 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
915 klv_encode_ber_length(pb, 108);
916
917 // write uid
918 mxf_write_local_tag(pb, 16, 0x3C0A);
919 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
920
921 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
922 mxf_write_common_fields(s, st);
923
924 // write start_position
925 mxf_write_local_tag(pb, 8, 0x1201);
926 avio_wb64(pb, 0);
927
928 // write source package uid, end of the reference
929 mxf_write_local_tag(pb, 32, 0x1101);
930 if (type == SourcePackage) {
931 for (i = 0; i < 4; i++)
932 avio_wb64(pb, 0);
933 } else
934 mxf_write_umid(s, 1);
935
936 // write source track id
937 mxf_write_local_tag(pb, 4, 0x1102);
938 if (type == SourcePackage)
939 avio_wb32(pb, 0);
940 else
941 avio_wb32(pb, st->index+2);
942}
943
944static void mxf_write_multi_descriptor(AVFormatContext *s)
945{
946 MXFContext *mxf = s->priv_data;
947 AVIOContext *pb = s->pb;
948 const uint8_t *ul;
949 int i;
950
951 mxf_write_metadata_key(pb, 0x014400);
952 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
953 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
954
955 mxf_write_local_tag(pb, 16, 0x3C0A);
956 mxf_write_uuid(pb, MultipleDescriptor, 0);
957 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
958
959 // write sample rate
960 mxf_write_local_tag(pb, 8, 0x3001);
961 avio_wb32(pb, mxf->time_base.den);
962 avio_wb32(pb, mxf->time_base.num);
963
964 // write essence container ul
965 mxf_write_local_tag(pb, 16, 0x3004);
966 if (mxf->essence_container_count > 1)
967 ul = multiple_desc_ul;
968 else {
969 MXFStreamContext *sc = s->streams[0]->priv_data;
970 ul = mxf_essence_container_uls[sc->index].container_ul;
971 }
972 avio_write(pb, ul, 16);
973
974 // write sub descriptor refs
975 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
976 mxf_write_refs_count(pb, s->nb_streams);
977 for (i = 0; i < s->nb_streams; i++)
978 mxf_write_uuid(pb, SubDescriptor, i);
979}
980
981static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
982{
983 MXFContext *mxf = s->priv_data;
984 MXFStreamContext *sc = st->priv_data;
985 AVIOContext *pb = s->pb;
986
987 avio_write(pb, key, 16);
988 klv_encode_ber4_length(pb, size+20+8+12+20);
989
990 mxf_write_local_tag(pb, 16, 0x3C0A);
991 mxf_write_uuid(pb, SubDescriptor, st->index);
992
993 mxf_write_local_tag(pb, 4, 0x3006);
994 avio_wb32(pb, st->index+2);
995
996 mxf_write_local_tag(pb, 8, 0x3001);
997 avio_wb32(pb, mxf->time_base.den);
998 avio_wb32(pb, mxf->time_base.num);
999
1000 mxf_write_local_tag(pb, 16, 0x3004);
1001 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1002}
1003
1004static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1005static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1006static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1007static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1008static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1009
1010static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1011{
1012 MXFStreamContext *sc = st->priv_data;
1013 AVIOContext *pb = s->pb;
1014 int stored_height = (st->codecpar->height+15)/16*16;
1015 int display_height;
1016 int f1, f2;
1017 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5;
1018 if (sc->interlaced && sc->field_dominance)
1019 desc_size += 5;
1020 if (sc->signal_standard)
1021 desc_size += 5;
1022
1023 mxf_write_generic_desc(s, st, key, desc_size);
1024
1025 mxf_write_local_tag(pb, 4, 0x3203);
1026 avio_wb32(pb, st->codecpar->width);
1027
1028 mxf_write_local_tag(pb, 4, 0x3202);
1029 avio_wb32(pb, stored_height>>sc->interlaced);
1030
1031 mxf_write_local_tag(pb, 4, 0x3209);
1032 avio_wb32(pb, st->codecpar->width);
1033
1034 if (st->codecpar->height == 608) // PAL + VBI
1035 display_height = 576;
1036 else if (st->codecpar->height == 512) // NTSC + VBI
1037 display_height = 486;
1038 else
1039 display_height = st->codecpar->height;
1040
1041 mxf_write_local_tag(pb, 4, 0x3208);
1042 avio_wb32(pb, display_height>>sc->interlaced);
1043
1044 // presentation Y offset
1045 mxf_write_local_tag(pb, 4, 0x320B);
1046 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1047
1048 // component depth
1049 mxf_write_local_tag(pb, 4, 0x3301);
1050 avio_wb32(pb, sc->component_depth);
1051
1052 // horizontal subsampling
1053 mxf_write_local_tag(pb, 4, 0x3302);
1054 avio_wb32(pb, sc->h_chroma_sub_sample);
1055
1056 // color siting
1057 mxf_write_local_tag(pb, 1, 0x3303);
1058 avio_w8(pb, sc->color_siting);
1059
1060 if (sc->signal_standard) {
1061 mxf_write_local_tag(pb, 1, 0x3215);
1062 avio_w8(pb, sc->signal_standard);
1063 }
1064
1065 // frame layout
1066 mxf_write_local_tag(pb, 1, 0x320C);
1067 avio_w8(pb, sc->interlaced);
1068
1069 // video line map
1070 switch (st->codecpar->height) {
1071 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1072 case 608: f1 = 7; f2 = 320; break;
1073 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1074 case 512: f1 = 7; f2 = 270; break;
1075 case 720: f1 = 26; f2 = 0; break; // progressive
1076 case 1080: f1 = 21; f2 = 584; break;
1077 default: f1 = 0; f2 = 0; break;
1078 }
1079
1080 if (!sc->interlaced) {
1081 f2 = 0;
1082 f1 *= 2;
1083 }
1084
1085
1086 mxf_write_local_tag(pb, 16, 0x320D);
1087 avio_wb32(pb, 2);
1088 avio_wb32(pb, 4);
1089 avio_wb32(pb, f1);
1090 avio_wb32(pb, f2);
1091
1092 mxf_write_local_tag(pb, 8, 0x320E);
1093 avio_wb32(pb, sc->aspect_ratio.num);
1094 avio_wb32(pb, sc->aspect_ratio.den);
1095
1096 mxf_write_local_tag(pb, 16, 0x3201);
1097 avio_write(pb, *sc->codec_ul, 16);
1098
1099 if (sc->interlaced && sc->field_dominance) {
1100 mxf_write_local_tag(pb, 1, 0x3212);
1101 avio_w8(pb, sc->field_dominance);
1102 }
1103
1104}
1105
1106static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1107{
1108 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1109}
1110
1111static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1112{
1113 AVIOContext *pb = s->pb;
1114 MXFStreamContext *sc = st->priv_data;
1115 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1116
1117 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1118 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1119
1120 // bit rate
1121 mxf_write_local_tag(pb, 4, 0x8000);
1122 avio_wb32(pb, sc->video_bit_rate);
1123
1124 // profile and level
1125 mxf_write_local_tag(pb, 1, 0x8007);
1126 if (!st->codecpar->profile)
1127 profile_and_level |= 0x80; // escape bit
1128 avio_w8(pb, profile_and_level);
1129 } else {
1130 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1131 }
1132}
1133
1134static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1135{
1136 AVIOContext *pb = s->pb;
1137 MXFContext *mxf = s->priv_data;
1138 int show_warnings = !mxf->footer_partition_offset;
1139 int duration_size = 0;
1140
1141 if (s->oformat == &ff_mxf_opatom_muxer)
1142 duration_size = 12;
1143
1144 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1145
1146 if (duration_size > 0){
1147 mxf_write_local_tag(pb, 8, 0x3002);
1148 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1149 }
1150
1151 // audio locked
1152 mxf_write_local_tag(pb, 1, 0x3D02);
1153 avio_w8(pb, 1);
1154
1155 // write audio sampling rate
1156 mxf_write_local_tag(pb, 8, 0x3D03);
1157 avio_wb32(pb, st->codecpar->sample_rate);
1158 avio_wb32(pb, 1);
1159
1160 mxf_write_local_tag(pb, 4, 0x3D07);
1161 if (mxf->channel_count == -1) {
1162 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1163 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");
1164 avio_wb32(pb, st->codecpar->channels);
1165 } else if (s->oformat == &ff_mxf_d10_muxer) {
1166 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1167 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1168 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1169 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");
1170 avio_wb32(pb, mxf->channel_count);
1171 } else {
1172 avio_wb32(pb, st->codecpar->channels);
1173 }
1174
1175 mxf_write_local_tag(pb, 4, 0x3D01);
1176 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1177}
1178
1179static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1180{
1181 AVIOContext *pb = s->pb;
1182
1183 mxf_write_generic_sound_common(s, st, key, size+6+8);
1184
1185 mxf_write_local_tag(pb, 2, 0x3D0A);
1186 avio_wb16(pb, st->codecpar->block_align);
1187
1188 // avg bytes per sec
1189 mxf_write_local_tag(pb, 4, 0x3D09);
1190 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1191}
1192
1193static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1194{
1195 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1196}
1197
1198static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1199{
1200 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1201}
1202
1203static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1204{
1205 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1206}
1207
1208static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1209
1210static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1211{
1212 MXFContext *mxf = s->priv_data;
1213 AVIOContext *pb = s->pb;
1214 int name_size = mxf_utf16_local_tag_length(name);
1215 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1216
1217 if (!name_size || indirect_value_size == 13)
1218 return 1;
1219
1220 mxf_write_metadata_key(pb, 0x013f00);
1221 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1222
1223 // write instance UID
1224 mxf_write_local_tag(pb, 16, 0x3C0A);
1225 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1226
1227 // write name
1228 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1229
1230 // write indirect value
1231 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1232 avio_write(pb, mxf_indirect_value_utf16le, 17);
1233 avio_put_str16le(pb, value);
1234
1235 mxf->tagged_value_count++;
1236 return 0;
1237}
1238
1239static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1240{
1241 MXFContext *mxf = s->priv_data;
1242 AVDictionaryEntry *t = NULL;
1243 int count = 0;
1244
1245 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1246 if (mxf->tagged_value_count >= UINT16_MAX) {
1247 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1248 return count;
1249 }
1250
1251 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1252 count++;
1253 }
1254 return count;
1255}
1256
1257static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1258{
1259 MXFContext *mxf = s->priv_data;
1260 AVIOContext *pb = s->pb;
1261 int i, track_count = s->nb_streams+1;
1262 int name_size = mxf_utf16_local_tag_length(package_name);
1263 int user_comment_count = 0;
1264
1265 if (type == MaterialPackage) {
1266 if (mxf->store_user_comments)
1267 user_comment_count = mxf_write_user_comments(s, s->metadata);
1268 mxf_write_metadata_key(pb, 0x013600);
1269 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1270 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1271 } else {
1272 mxf_write_metadata_key(pb, 0x013700);
1273 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1274 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1275 }
1276
1277 // write uid
1278 mxf_write_local_tag(pb, 16, 0x3C0A);
1279 mxf_write_uuid(pb, type, 0);
1280 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1281 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1282
1283 // write package umid
1284 mxf_write_local_tag(pb, 32, 0x4401);
1285 mxf_write_umid(s, type == SourcePackage);
1286 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1287
1288 // package name
1289 if (name_size)
1290 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1291
1292 // package creation date
1293 mxf_write_local_tag(pb, 8, 0x4405);
1294 avio_wb64(pb, mxf->timestamp);
1295
1296 // package modified date
1297 mxf_write_local_tag(pb, 8, 0x4404);
1298 avio_wb64(pb, mxf->timestamp);
1299
1300 // write track refs
1301 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1302 mxf_write_refs_count(pb, track_count);
1303 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1304 Track + TypeBottom, -1); // timecode track
1305 for (i = 0; i < s->nb_streams; i++)
1306 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1307
1308 // write user comment refs
1309 if (mxf->store_user_comments) {
1310 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1311 mxf_write_refs_count(pb, user_comment_count);
1312 for (i = 0; i < user_comment_count; i++)
1313 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1314 }
1315
1316 // write multiple descriptor reference
1317 if (type == SourcePackage) {
1318 mxf_write_local_tag(pb, 16, 0x4701);
1319 if (s->nb_streams > 1) {
1320 mxf_write_uuid(pb, MultipleDescriptor, 0);
1321 mxf_write_multi_descriptor(s);
1322 } else
1323 mxf_write_uuid(pb, SubDescriptor, 0);
1324 }
1325
1326 // write timecode track
1327 mxf_write_track(s, mxf->timecode_track, type);
1328 mxf_write_sequence(s, mxf->timecode_track, type);
1329 mxf_write_timecode_component(s, mxf->timecode_track, type);
1330
1331 for (i = 0; i < s->nb_streams; i++) {
1332 AVStream *st = s->streams[i];
1333 mxf_write_track(s, st, type);
1334 mxf_write_sequence(s, st, type);
1335 mxf_write_structural_component(s, st, type);
1336
1337 if (type == SourcePackage) {
1338 MXFStreamContext *sc = st->priv_data;
1339 mxf_essence_container_uls[sc->index].write_desc(s, st);
1340 }
1341 }
1342}
1343
1344static int mxf_write_essence_container_data(AVFormatContext *s)
1345{
1346 AVIOContext *pb = s->pb;
1347
1348 mxf_write_metadata_key(pb, 0x012300);
1349 klv_encode_ber_length(pb, 72);
1350
1351 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1352 mxf_write_uuid(pb, EssenceContainerData, 0);
1353
1354 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1355 mxf_write_umid(s, 1);
1356
1357 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1358 avio_wb32(pb, 1);
1359
1360 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1361 avio_wb32(pb, 2);
1362
1363 return 0;
1364}
1365
1366static int mxf_write_header_metadata_sets(AVFormatContext *s)
1367{
1368 const char *material_package_name = NULL;
1369 const char *file_package_name = NULL;
1370 AVDictionaryEntry *entry = NULL;
1371 AVStream *st = NULL;
1372 int i;
1373
1374 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1375 material_package_name = entry->value;
1376
1377 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1378 file_package_name = entry->value;
1379 } else {
1380 /* check if any of the streams contain a file_package_name */
1381 for (i = 0; i < s->nb_streams; i++) {
1382 st = s->streams[i];
1383 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1384 file_package_name = entry->value;
1385 break;
1386 }
1387 }
1388 }
1389
1390 mxf_write_preface(s);
1391 mxf_write_identification(s);
1392 mxf_write_content_storage(s);
1393 mxf_write_package(s, MaterialPackage, material_package_name);
1394 mxf_write_package(s, SourcePackage, file_package_name);
1395 mxf_write_essence_container_data(s);
1396 return 0;
1397}
1398
1399static unsigned klv_fill_size(uint64_t size)
1400{
1401 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1402 if (pad < 20) // smallest fill item possible
1403 return pad + KAG_SIZE;
1404 else
1405 return pad & (KAG_SIZE-1);
1406}
1407
1408static void mxf_write_index_table_segment(AVFormatContext *s)
1409{
1410 MXFContext *mxf = s->priv_data;
1411 AVIOContext *pb = s->pb;
1412 int i, j, temporal_reordering = 0;
1413 int key_index = mxf->last_key_index;
1414
1415 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1416
1417 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1418 return;
1419
1420 avio_write(pb, index_table_segment_key, 16);
1421
1422 if (mxf->edit_unit_byte_count) {
1423 klv_encode_ber_length(pb, 80);
1424 } else {
1425 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1426 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1427 }
1428
1429 // instance id
1430 mxf_write_local_tag(pb, 16, 0x3C0A);
1431 mxf_write_uuid(pb, IndexTableSegment, 0);
1432
1433 // index edit rate
1434 mxf_write_local_tag(pb, 8, 0x3F0B);
1435 avio_wb32(pb, mxf->time_base.den);
1436 avio_wb32(pb, mxf->time_base.num);
1437
1438 // index start position
1439 mxf_write_local_tag(pb, 8, 0x3F0C);
1440 avio_wb64(pb, mxf->last_indexed_edit_unit);
1441
1442 // index duration
1443 mxf_write_local_tag(pb, 8, 0x3F0D);
1444 if (mxf->edit_unit_byte_count)
1445 avio_wb64(pb, 0); // index table covers whole container
1446 else
1447 avio_wb64(pb, mxf->edit_units_count);
1448
1449 // edit unit byte count
1450 mxf_write_local_tag(pb, 4, 0x3F05);
1451 avio_wb32(pb, mxf->edit_unit_byte_count);
1452
1453 // index sid
1454 mxf_write_local_tag(pb, 4, 0x3F06);
1455 avio_wb32(pb, 2);
1456
1457 // body sid
1458 mxf_write_local_tag(pb, 4, 0x3F07);
1459 avio_wb32(pb, 1);
1460
1461 if (!mxf->edit_unit_byte_count) {
1462 // real slice count - 1
1463 mxf_write_local_tag(pb, 1, 0x3F08);
1464 avio_w8(pb, mxf->slice_count);
1465
1466 // delta entry array
1467 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1468 avio_wb32(pb, s->nb_streams+1); // num of entries
1469 avio_wb32(pb, 6); // size of one entry
1470 // write system item delta entry
1471 avio_w8(pb, 0);
1472 avio_w8(pb, 0); // slice entry
1473 avio_wb32(pb, 0); // element delta
1474 for (i = 0; i < s->nb_streams; i++) {
1475 AVStream *st = s->streams[i];
1476 MXFStreamContext *sc = st->priv_data;
1477 avio_w8(pb, sc->temporal_reordering);
1478 if (sc->temporal_reordering)
1479 temporal_reordering = 1;
1480 if (i == 0) { // video track
1481 avio_w8(pb, 0); // slice number
1482 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1483 } else { // audio track
1484 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1485 audio_frame_size += klv_fill_size(audio_frame_size);
1486 avio_w8(pb, 1);
1487 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1488 }
1489 }
1490
1491 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1492 avio_wb32(pb, mxf->edit_units_count); // num of entries
1493 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1494
1495 for (i = 0; i < mxf->edit_units_count; i++) {
1496 int temporal_offset = 0;
1497
1498 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1499 mxf->last_key_index = key_index;
1500 key_index = i;
1501 }
1502
1503 if (temporal_reordering) {
1504 int pic_num_in_gop = i - key_index;
1505 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1506 for (j = key_index; j < mxf->edit_units_count; j++) {
1507 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1508 break;
1509 }
1510 if (j == mxf->edit_units_count)
1511 av_log(s, AV_LOG_WARNING, "missing frames\n");
1512 temporal_offset = j - key_index - pic_num_in_gop;
1513 }
1514 }
1515 avio_w8(pb, temporal_offset);
1516
1517 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1518 avio_w8(pb, mxf->last_key_index - i);
1519 } else {
1520 avio_w8(pb, key_index - i); // key frame offset
1521 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1522 mxf->last_key_index = key_index;
1523 }
1524
1525 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1526 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1527 mxf->index_entries[i].flags |= 0x80; // random access
1528 avio_w8(pb, mxf->index_entries[i].flags);
1529 // stream offset
1530 avio_wb64(pb, mxf->index_entries[i].offset);
1531 if (s->nb_streams > 1)
1532 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1533 }
1534
1535 mxf->last_key_index = key_index - mxf->edit_units_count;
1536 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1537 mxf->edit_units_count = 0;
1538 }
1539}
1540
1541static void mxf_write_klv_fill(AVFormatContext *s)
1542{
1543 unsigned pad = klv_fill_size(avio_tell(s->pb));
1544 if (pad) {
1545 avio_write(s->pb, klv_fill_key, 16);
1546 pad -= 16 + 4;
1547 klv_encode_ber4_length(s->pb, pad);
1548 ffio_fill(s->pb, 0, pad);
1549 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1550 }
1551}
1552
1553static int mxf_write_partition(AVFormatContext *s, int bodysid,
1554 int indexsid,
1555 const uint8_t *key, int write_metadata)
1556{
1557 MXFContext *mxf = s->priv_data;
1558 AVIOContext *pb = s->pb;
1559 int64_t header_byte_count_offset;
1560 unsigned index_byte_count = 0;
1561 uint64_t partition_offset = avio_tell(pb);
1562 int err;
1563
1564 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1565 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1566 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1567 else if (mxf->edit_unit_byte_count && indexsid)
1568 index_byte_count = 80;
1569
1570 if (index_byte_count) {
1571 // add encoded ber length
1572 index_byte_count += 16 + klv_ber_length(index_byte_count);
1573 index_byte_count += klv_fill_size(index_byte_count);
1574 }
1575
1576 if (key && !memcmp(key, body_partition_key, 16)) {
1577 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1578 sizeof(*mxf->body_partition_offset))) < 0) {
1579 mxf->body_partitions_count = 0;
1580 return err;
1581 }
1582 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1583 }
1584
1585 // write klv
1586 if (key)
1587 avio_write(pb, key, 16);
1588 else
1589 avio_write(pb, body_partition_key, 16);
1590
1591 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1592
1593 // write partition value
1594 avio_wb16(pb, 1); // majorVersion
1595 avio_wb16(pb, 2); // minorVersion
1596 avio_wb32(pb, KAG_SIZE); // KAGSize
1597
1598 avio_wb64(pb, partition_offset); // ThisPartition
1599
1600 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1601 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1602 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1603 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1604 else
1605 avio_wb64(pb, 0);
1606
1607 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1608
1609 // set offset
1610 header_byte_count_offset = avio_tell(pb);
1611 avio_wb64(pb, 0); // headerByteCount, update later
1612
1613 // indexTable
1614 avio_wb64(pb, index_byte_count); // indexByteCount
1615 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1616
1617 // BodyOffset
1618 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1619 avio_wb64(pb, mxf->body_offset);
1620 else
1621 avio_wb64(pb, 0);
1622
1623 avio_wb32(pb, bodysid); // bodySID
1624
1625 // operational pattern
1626 if (s->oformat == &ff_mxf_opatom_muxer)
1627 avio_write(pb, opatom_ul, 16);
1628 else
1629 avio_write(pb, op1a_ul, 16);
1630
1631 // essence container
1632 mxf_write_essence_container_refs(s);
1633
1634 if (write_metadata) {
1635 // mark the start of the headermetadata and calculate metadata size
1636 int64_t pos, start;
1637 unsigned header_byte_count;
1638
1639 mxf_write_klv_fill(s);
1640 start = avio_tell(s->pb);
1641 mxf_write_primer_pack(s);
1642 mxf_write_header_metadata_sets(s);
1643 pos = avio_tell(s->pb);
1644 header_byte_count = pos - start + klv_fill_size(pos);
1645
1646 // update header_byte_count
1647 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1648 avio_wb64(pb, header_byte_count);
1649 avio_seek(pb, pos, SEEK_SET);
1650 }
1651
1652 if(key)
1653 avio_flush(pb);
1654
1655 return 0;
1656}
1657
1658static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1659AVPacket *pkt)
1660{
1661 MXFContext *mxf = s->priv_data;
1662 MXFStreamContext *sc = st->priv_data;
1663 int i, cid;
1664 uint8_t* header_cid;
1665 int frame_size = 0;
1666
1667 if (mxf->header_written)
1668 return 1;
1669
1670 if (pkt->size < 43)
1671 return -1;
1672
1673 header_cid = pkt->data + 0x28;
1674 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1675
1676 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1677 return -1;
1678 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1679 return AVERROR_INVALIDDATA;
1680
1681 switch (cid) {
1682 case 1235:
1683 sc->index = 24;
1684 sc->component_depth = 10;
1685 break;
1686 case 1237:
1687 sc->index = 25;
1688 break;
1689 case 1238:
1690 sc->index = 26;
1691 break;
1692 case 1241:
1693 sc->index = 27;
1694 sc->component_depth = 10;
1695 break;
1696 case 1242:
1697 sc->index = 28;
1698 break;
1699 case 1243:
1700 sc->index = 29;
1701 break;
1702 case 1250:
1703 sc->index = 30;
1704 sc->component_depth = 10;
1705 break;
1706 case 1251:
1707 sc->index = 31;
1708 break;
1709 case 1252:
1710 sc->index = 32;
1711 break;
1712 case 1253:
1713 sc->index = 33;
1714 break;
1715 default:
1716 return -1;
1717 }
1718
1719 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1720 sc->aspect_ratio = (AVRational){ 16, 9 };
1721
1722 if(s->oformat == &ff_mxf_opatom_muxer){
1723 mxf->edit_unit_byte_count = frame_size;
1724 return 1;
1725 }
1726
1727 mxf->edit_unit_byte_count = KAG_SIZE;
1728 for (i = 0; i < s->nb_streams; i++) {
1729 AVStream *st = s->streams[i];
1730 MXFStreamContext *sc = st->priv_data;
1731 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1732 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1733 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1734 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1735 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1736 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1737 }
1738 }
1739
1740 return 1;
1741}
1742
1743static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1744{
1745 MXFContext *mxf = s->priv_data;
1746 MXFStreamContext *sc = st->priv_data;
1747 uint8_t *vs_pack, *vsc_pack;
1748 int i, ul_index, frame_size, stype, pal;
1749
1750 if (mxf->header_written)
1751 return 1;
1752
1753 // Check for minimal frame size
1754 if (pkt->size < 120000)
1755 return -1;
1756
1757 vs_pack = pkt->data + 80*5 + 48;
1758 vsc_pack = pkt->data + 80*5 + 53;
1759 stype = vs_pack[3] & 0x1f;
1760 pal = (vs_pack[3] >> 5) & 0x1;
1761
1762 if ((vs_pack[2] & 0x07) == 0x02)
1763 sc->aspect_ratio = (AVRational){ 16, 9 };
1764 else
1765 sc->aspect_ratio = (AVRational){ 4, 3 };
1766
1767 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1768 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1769 // and set field dominance accordingly
1770 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1771
1772 switch (stype) {
1773 case 0x18: // DV100 720p
1774 ul_index = 6 + pal;
1775 frame_size = pal ? 288000 : 240000;
1776 if (sc->interlaced) {
1777 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1778 sc->interlaced = 0;
1779 }
1780 break;
1781 case 0x14: // DV100 1080i
1782 ul_index = 4 + pal;
1783 frame_size = pal ? 576000 : 480000;
1784 break;
1785 case 0x04: // DV50
1786 ul_index = 2 + pal;
1787 frame_size = pal ? 288000 : 240000;
1788 break;
1789 default: // DV25
1790 ul_index = 0 + pal;
1791 frame_size = pal ? 144000 : 120000;
1792 }
1793
1794 sc->index = ul_index + 16;
1795 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1796
1797 if(s->oformat == &ff_mxf_opatom_muxer) {
1798 mxf->edit_unit_byte_count = frame_size;
1799 return 1;
1800 }
1801
1802 mxf->edit_unit_byte_count = KAG_SIZE;
1803 for (i = 0; i < s->nb_streams; i++) {
1804 AVStream *st = s->streams[i];
1805 MXFStreamContext *sc = st->priv_data;
1806 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1807 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1808 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1809 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1810 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1811 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1812 }
1813 }
1814
1815 return 1;
1816}
1817
1818static const struct {
1819 UID uid;
1820 int frame_size;
1821 int profile;
1822 uint8_t interlaced;
1823} mxf_h264_codec_uls[] = {
1824 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0 }, // AVC Baseline, Unconstrained Coding
1825 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1826 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1827 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1828 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1829 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1830 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1831 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1832 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1833 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1834 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1835 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1836 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1837 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1838 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1839};
1840
1841static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1842 AVPacket *pkt, MXFIndexEntry *e)
1843{
1844 MXFContext *mxf = s->priv_data;
1845 MXFStreamContext *sc = st->priv_data;
1846 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1847 const uint8_t *buf = pkt->data;
1848 const uint8_t *buf_end = pkt->data + pkt->size;
1849 uint32_t state = -1;
1850 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1851 int i, frame_size;
1852 uint8_t uid_found;
1853
1854 if (pkt->size > extra_size)
1855 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1856
1857 for (;;) {
1858 buf = avpriv_find_start_code(buf, buf_end, &state);
1859 if (buf >= buf_end)
1860 break;
1861 --buf;
1862 switch (state & 0x1f) {
1863 case H264_NAL_SPS:
1864 st->codecpar->profile = buf[1];
1865 e->flags |= 0x40;
1866 break;
1867 case H264_NAL_PPS:
1868 if (e->flags & 0x40) { // sequence header present
1869 e->flags |= 0x80; // random access
1870 extra_size = 0;
1871 buf = buf_end;
1872 }
1873 break;
1874 default:
1875 break;
1876 }
1877 }
1878
1879 if (mxf->header_written)
1880 return 1;
1881
1882 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1883 sc->component_depth = 10; // AVC Intra is always 10 Bit
1884 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1885 if (sc->interlaced)
1886 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1887
1888 uid_found = 0;
1889 frame_size = pkt->size + extra_size;
1890 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1891 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1892 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1893 return 1;
1894 } else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) {
1895 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1896 uid_found = 1;
1897 }
1898 }
1899
1900 if (!uid_found) {
1901 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1902 return 0;
1903 }
1904
1905 return 1;
1906}
1907
1908static const UID mxf_mpeg2_codec_uls[] = {
1909 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1910 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1911 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1912 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1913 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1914 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1915 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1916 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1917 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1918 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1919};
1920
1921static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
1922{
1923 int long_gop = 1;
1924
1925 if (par->profile == 4) { // Main
1926 if (par->level == 8) // Main
1927 return &mxf_mpeg2_codec_uls[0+long_gop];
1928 else if (par->level == 4) // High
1929 return &mxf_mpeg2_codec_uls[4+long_gop];
1930 else if (par->level == 6) // High 14
1931 return &mxf_mpeg2_codec_uls[8+long_gop];
1932 } else if (par->profile == 0) { // 422
1933 if (par->level == 5) // Main
1934 return &mxf_mpeg2_codec_uls[2+long_gop];
1935 else if (par->level == 2) // High
1936 return &mxf_mpeg2_codec_uls[6+long_gop];
1937 }
1938 return NULL;
1939}
1940
1941static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1942 AVPacket *pkt, MXFIndexEntry *e)
1943{
1944 MXFStreamContext *sc = st->priv_data;
1945 uint32_t c = -1;
1946 int i;
1947
1948 for(i = 0; i < pkt->size - 4; i++) {
1949 c = (c<<8) + pkt->data[i];
1950 if (c == 0x1b5) {
1951 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1952 st->codecpar->profile = pkt->data[i+1] & 0x07;
1953 st->codecpar->level = pkt->data[i+2] >> 4;
1954 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1955 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1956 if (sc->interlaced)
1957 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1958 break;
1959 }
1960 } else if (c == 0x1b8) { // gop
1961 if (pkt->data[i+4]>>6 & 0x01) { // closed
1962 sc->closed_gop = 1;
1963 if (e->flags & 0x40) // sequence header present
1964 e->flags |= 0x80; // random access
1965 }
1966 } else if (c == 0x1b3) { // seq
1967 e->flags |= 0x40;
1968 switch ((pkt->data[i+4]>>4) & 0xf) {
1969 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1970 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1971 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1972 default:
1973 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1974 st->codecpar->width, st->codecpar->height, 1024*1024);
1975 }
1976 } else if (c == 0x100) { // pic
1977 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1978 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1979 if (pict_type == 2) { // P-frame
1980 e->flags |= 0x22;
1981 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
1982 } else if (pict_type == 3) { // B-frame
1983 if (sc->closed_gop)
1984 e->flags |= 0x13; // only backward prediction
1985 else
1986 e->flags |= 0x33;
1987 sc->temporal_reordering = -1;
1988 } else if (!pict_type) {
1989 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1990 return 0;
1991 }
1992 }
1993 }
1994 if (s->oformat != &ff_mxf_d10_muxer)
1995 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
1996 return !!sc->codec_ul;
1997}
1998
1999static uint64_t mxf_parse_timestamp(time_t timestamp)
2000{
2001 struct tm tmbuf;
2002 struct tm *time = gmtime_r(&timestamp, &tmbuf);
2003 if (!time)
2004 return 0;
2005 return (uint64_t)(time->tm_year+1900) << 48 |
2006 (uint64_t)(time->tm_mon+1) << 40 |
2007 (uint64_t) time->tm_mday << 32 |
2008 time->tm_hour << 24 |
2009 time->tm_min << 16 |
2010 time->tm_sec << 8;
2011}
2012
2013static void mxf_gen_umid(AVFormatContext *s)
2014{
2015 MXFContext *mxf = s->priv_data;
2016 uint32_t seed = av_get_random_seed();
2017 uint64_t umid = seed + 0x5294713400000000LL;
2018
2019 AV_WB64(mxf->umid , umid);
2020 AV_WB64(mxf->umid+8, umid>>8);
2021
2022 mxf->instance_number = seed & 0xFFFFFF;
2023}
2024
2025static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2026{
2027 MXFContext *mxf = s->priv_data;
2028 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2029 if (!tcr)
2030 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2031
2032 if (tcr)
2033 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2034 else
2035 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2036}
2037
2038static int mxf_write_header(AVFormatContext *s)
2039{
2040 MXFContext *mxf = s->priv_data;
2041 int i, ret;
2042 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2043 const MXFSamplesPerFrame *spf = NULL;
2044 int64_t timestamp = 0;
2045
2046 if (!s->nb_streams)
2047 return -1;
2048
2049 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2050 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2051 return -1;
2052 }
2053
2054 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2055 mxf->store_user_comments = 0;
2056
2057 for (i = 0; i < s->nb_streams; i++) {
2058 AVStream *st = s->streams[i];
2059 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2060 if (!sc)
2061 return AVERROR(ENOMEM);
2062 st->priv_data = sc;
2063
2064 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2065 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2066 return -1;
2067 }
2068
2069 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2070 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2071 // TODO: should be avg_frame_rate
2072 AVRational rate, tbc = st->time_base;
2073 // Default component depth to 8
2074 sc->component_depth = 8;
2075 sc->h_chroma_sub_sample = 2;
2076 sc->color_siting = 0xFF;
2077
2078 if (pix_desc) {
2079 sc->component_depth = pix_desc->comp[0].depth;
2080 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2081 }
2082 switch (ff_choose_chroma_location(s, st)) {
2083 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2084 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2085 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2086 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2087 }
2088
2089 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2090 spf = ff_mxf_get_samples_per_frame(s, tbc);
2091 if (!spf) {
2092 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2093 tbc.den, tbc.num);
2094 return AVERROR(EINVAL);
2095 }
2096 mxf->time_base = spf->time_base;
2097 rate = av_inv_q(mxf->time_base);
2098 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2099 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2100 return ret;
2101
2102 sc->video_bit_rate = st->codecpar->bit_rate;
2103 if (s->oformat == &ff_mxf_d10_muxer) {
2104 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2105 sc->index = 3;
2106 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2107 sc->index = 5;
2108 } else if (sc->video_bit_rate == 40000000) {
2109 if (mxf->time_base.den == 25) sc->index = 7;
2110 else sc->index = 9;
2111 } else if (sc->video_bit_rate == 30000000) {
2112 if (mxf->time_base.den == 25) sc->index = 11;
2113 else sc->index = 13;
2114 } else {
2115 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2116 return -1;
2117 }
2118
2119 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2120 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2121 mxf->time_base.num / (8*mxf->time_base.den);
2122 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2123 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2124 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2125
2126 sc->signal_standard = 1;
2127 }
2128 if (mxf->signal_standard >= 0)
2129 sc->signal_standard = mxf->signal_standard;
2130 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2131 if (st->codecpar->sample_rate != 48000) {
2132 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2133 return -1;
2134 }
2135 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2136 if (s->oformat == &ff_mxf_d10_muxer) {
2137 if (st->index != 1) {
2138 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2139 return -1;
2140 }
2141 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2142 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2143 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2144 }
2145 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2146 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2147 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2148
2149 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2150 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2151 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2152 return AVERROR_PATCHWELCOME;
2153 }
2154 if (st->codecpar->channels != 1) {
2155 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2156 return AVERROR(EINVAL);
2157 }
2158
2159 spf = ff_mxf_get_samples_per_frame(s, tbc);
2160 if (!spf){
2161 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2162 return AVERROR(EINVAL);
2163 }
2164
2165 mxf->time_base = st->time_base;
2166 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2167 return ret;
2168
2169 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2170 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2171 sc->index = 2;
2172 } else {
2173 mxf->slice_count = 1;
2174 }
2175 }
2176
2177 if (!sc->index) {
2178 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2179 if (sc->index == -1) {
2180 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2181 "codec not currently supported in container\n", i);
2182 return -1;
2183 }
2184 }
2185
2186 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2187
2188 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2189 sc->track_essence_element_key[15] = present[sc->index];
2190 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2191
2192 if (!present[sc->index])
2193 mxf->essence_container_count++;
2194 present[sc->index]++;
2195 }
2196
2197 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2198 mxf->essence_container_count = 1;
2199 }
2200
2201 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2202 mxf_gen_umid(s);
2203
2204 for (i = 0; i < s->nb_streams; i++) {
2205 MXFStreamContext *sc = s->streams[i]->priv_data;
2206 // update element count
2207 sc->track_essence_element_key[13] = present[sc->index];
2208 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2209 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2210 else
2211 sc->order = AV_RB32(sc->track_essence_element_key+12);
2212 }
2213
2214 if (ff_parse_creation_time_metadata(s, &timestamp, 1) > 0)
2215 mxf->timestamp = mxf_parse_timestamp(timestamp);
2216 mxf->duration = -1;
2217
2218 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2219 if (!mxf->timecode_track)
2220 return AVERROR(ENOMEM);
2221 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2222 if (!mxf->timecode_track->priv_data)
2223 return AVERROR(ENOMEM);
2224 mxf->timecode_track->index = -1;
2225
2226 if (!spf)
2227 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2228
2229 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2230 return -1;
2231
2232 return 0;
2233}
2234
2235static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2236static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
2237
2238static void mxf_write_system_item(AVFormatContext *s)
2239{
2240 MXFContext *mxf = s->priv_data;
2241 AVIOContext *pb = s->pb;
2242 unsigned frame;
2243 uint32_t time_code;
2244
2245 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2246
2247 // write system metadata pack
2248 avio_write(pb, system_metadata_pack_key, 16);
2249 klv_encode_ber4_length(pb, 57);
2250 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2251 avio_w8(pb, 0x04); // content package rate
2252 avio_w8(pb, 0x00); // content package type
2253 avio_wb16(pb, 0x00); // channel handle
2254 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2255 if (mxf->essence_container_count > 1)
2256 avio_write(pb, multiple_desc_ul, 16);
2257 else {
2258 MXFStreamContext *sc = s->streams[0]->priv_data;
2259 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2260 }
2261 avio_w8(pb, 0);
2262 avio_wb64(pb, 0);
2263 avio_wb64(pb, 0); // creation date/time stamp
2264
2265 avio_w8(pb, 0x81); // SMPTE 12M time code
2266 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2267 avio_wb32(pb, time_code);
2268 avio_wb32(pb, 0); // binary group data
2269 avio_wb64(pb, 0);
2270
2271 // write system metadata package set
2272 avio_write(pb, system_metadata_package_set_key, 16);
2273 klv_encode_ber4_length(pb, 35);
2274 avio_w8(pb, 0x83); // UMID
2275 avio_wb16(pb, 0x20);
2276 mxf_write_umid(s, 1);
2277}
2278
2279static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2280{
2281 MXFContext *mxf = s->priv_data;
2282 AVIOContext *pb = s->pb;
2283 MXFStreamContext *sc = st->priv_data;
2284 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2285 (8*mxf->time_base.den); // frame size
2286 int pad;
2287
2288 packet_size += 16 + 4;
2289 packet_size += klv_fill_size(packet_size);
2290
2291 klv_encode_ber4_length(pb, pkt->size);
2292 avio_write(pb, pkt->data, pkt->size);
2293
2294 // ensure CBR muxing by padding to correct video frame size
2295 pad = packet_size - pkt->size - 16 - 4;
2296 if (pad > 20) {
2297 avio_write(s->pb, klv_fill_key, 16);
2298 pad -= 16 + 4;
2299 klv_encode_ber4_length(s->pb, pad);
2300 ffio_fill(s->pb, 0, pad);
2301 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2302 } else {
2303 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2304 ffio_fill(s->pb, 0, pad);
2305 }
2306}
2307
2308static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2309{
2310 MXFContext *mxf = s->priv_data;
2311 AVIOContext *pb = s->pb;
2312 int frame_size = pkt->size / st->codecpar->block_align;
2313 uint8_t *samples = pkt->data;
2314 uint8_t *end = pkt->data + pkt->size;
2315 int i;
2316
2317 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2318
2319 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2320 avio_wl16(pb, frame_size);
2321 avio_w8(pb, (1<<st->codecpar->channels)-1);
2322
2323 while (samples < end) {
2324 for (i = 0; i < st->codecpar->channels; i++) {
2325 uint32_t sample;
2326 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2327 sample = AV_RL24(samples)<< 4;
2328 samples += 3;
2329 } else {
2330 sample = AV_RL16(samples)<<12;
2331 samples += 2;
2332 }
2333 avio_wl32(pb, sample | i);
2334 }
2335 for (; i < 8; i++)
2336 avio_wl32(pb, i);
2337 }
2338}
2339
2340static int mxf_write_opatom_body_partition(AVFormatContext *s)
2341{
2342 MXFContext *mxf = s->priv_data;
2343 AVIOContext *pb = s->pb;
2344 AVStream *st = s->streams[0];
2345 MXFStreamContext *sc = st->priv_data;
2346 const uint8_t *key = NULL;
2347
2348 int err;
2349
2350 if (!mxf->header_written)
2351 key = body_partition_key;
2352
2353 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2354 return err;
2355 mxf_write_klv_fill(s);
2356 avio_write(pb, sc->track_essence_element_key, 16);
2357 klv_encode_ber9_length(pb, mxf->body_offset);
2358 return 0;
2359}
2360
2361static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2362{
2363 MXFContext *mxf = s->priv_data;
2364 AVIOContext *pb = s->pb;
2365
2366 int err;
2367
2368 if (!mxf->header_written) {
2369 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2370 return err;
2371 mxf_write_klv_fill(s);
2372
2373 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2374 return err;
2375 mxf->header_written = 1;
2376 }
2377
2378 if (!mxf->edit_unit_byte_count) {
2379 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2380 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2381 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2382 }
2383 mxf->edit_units_count++;
2384 avio_write(pb, pkt->data, pkt->size);
2385 mxf->body_offset += pkt->size;
2386 avio_flush(pb);
2387
2388 return 0;
2389}
2390
2391static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2392{
2393 MXFContext *mxf = s->priv_data;
2394 AVIOContext *pb = s->pb;
2395 AVStream *st = s->streams[pkt->stream_index];
2396 MXFStreamContext *sc = st->priv_data;
2397 MXFIndexEntry ie = {0};
2398 int err;
2399
2400 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2401 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2402 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2403 mxf->edit_units_count = 0;
2404 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2405 return err;
2406 }
2407 }
2408
2409 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2410 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2411 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2412 return -1;
2413 }
2414 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2415 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2416 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2417 return -1;
2418 }
2419 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2420 if (!mxf_parse_dv_frame(s, st, pkt)) {
2421 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2422 return -1;
2423 }
2424 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2425 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2426 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2427 return -1;
2428 }
2429 }
2430
2431 if (s->oformat == &ff_mxf_opatom_muxer)
2432 return mxf_write_opatom_packet(s, pkt, &ie);
2433
2434 if (!mxf->header_written) {
2435 if (mxf->edit_unit_byte_count) {
2436 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2437 return err;
2438 mxf_write_klv_fill(s);
2439 mxf_write_index_table_segment(s);
2440 } else {
2441 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2442 return err;
2443 }
2444 mxf->header_written = 1;
2445 }
2446
2447 if (st->index == 0) {
2448 if (!mxf->edit_unit_byte_count &&
2449 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2450 !(ie.flags & 0x33)) { // I-frame, GOP start
2451 mxf_write_klv_fill(s);
2452 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2453 return err;
2454 mxf_write_klv_fill(s);
2455 mxf_write_index_table_segment(s);
2456 }
2457
2458 mxf_write_klv_fill(s);
2459 mxf_write_system_item(s);
2460
2461 if (!mxf->edit_unit_byte_count) {
2462 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2463 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2464 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2465 mxf->body_offset += KAG_SIZE; // size of system element
2466 }
2467 mxf->edit_units_count++;
2468 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2469 if (!mxf->edit_units_count) {
2470 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2471 return AVERROR_PATCHWELCOME;
2472 }
2473 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2474 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2475 }
2476
2477 mxf_write_klv_fill(s);
2478 avio_write(pb, sc->track_essence_element_key, 16); // write key
2479 if (s->oformat == &ff_mxf_d10_muxer) {
2480 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2481 mxf_write_d10_video_packet(s, st, pkt);
2482 else
2483 mxf_write_d10_audio_packet(s, st, pkt);
2484 } else {
2485 klv_encode_ber4_length(pb, pkt->size); // write length
2486 avio_write(pb, pkt->data, pkt->size);
2487 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2488 }
2489
2490 avio_flush(pb);
2491
2492 return 0;
2493}
2494
2495static void mxf_write_random_index_pack(AVFormatContext *s)
2496{
2497 MXFContext *mxf = s->priv_data;
2498 AVIOContext *pb = s->pb;
2499 uint64_t pos = avio_tell(pb);
2500 int i;
2501
2502 avio_write(pb, random_index_pack_key, 16);
2503 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2504
2505 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2506 avio_wb32(pb, 1); // BodySID of header partition
2507 else
2508 avio_wb32(pb, 0);
2509 avio_wb64(pb, 0); // offset of header partition
2510
2511 for (i = 0; i < mxf->body_partitions_count; i++) {
2512 avio_wb32(pb, 1); // BodySID
2513 avio_wb64(pb, mxf->body_partition_offset[i]);
2514 }
2515
2516 avio_wb32(pb, 0); // BodySID of footer partition
2517 avio_wb64(pb, mxf->footer_partition_offset);
2518
2519 avio_wb32(pb, avio_tell(pb) - pos + 4);
2520}
2521
2522static int mxf_write_footer(AVFormatContext *s)
2523{
2524 MXFContext *mxf = s->priv_data;
2525 AVIOContext *pb = s->pb;
2526 int err = 0;
2527
2528 if (!mxf->header_written ||
2529 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2530 /* reason could be invalid options/not supported codec/out of memory */
2531 err = AVERROR_UNKNOWN;
2532 goto end;
2533 }
2534
2535 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2536
2537 mxf_write_klv_fill(s);
2538 mxf->footer_partition_offset = avio_tell(pb);
2539 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2540 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2541 goto end;
2542 } else {
2543 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2544 goto end;
2545 mxf_write_klv_fill(s);
2546 mxf_write_index_table_segment(s);
2547 }
2548
2549 mxf_write_klv_fill(s);
2550 mxf_write_random_index_pack(s);
2551
2552 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2553 if (s->oformat == &ff_mxf_opatom_muxer){
2554 /* rewrite body partition to update lengths */
2555 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2556 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2557 goto end;
2558 }
2559
2560 avio_seek(pb, 0, SEEK_SET);
2561 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2562 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2563 goto end;
2564 mxf_write_klv_fill(s);
2565 mxf_write_index_table_segment(s);
2566 } else {
2567 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2568 goto end;
2569 }
2570 }
2571
2572end:
2573 ff_audio_interleave_close(s);
2574
2575 av_freep(&mxf->index_entries);
2576 av_freep(&mxf->body_partition_offset);
2577 av_freep(&mxf->timecode_track->priv_data);
2578 av_freep(&mxf->timecode_track);
2579
2580 mxf_free(s);
2581
2582 return err < 0 ? err : 0;
2583}
2584
2585static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2586{
2587 int i, stream_count = 0;
2588
2589 for (i = 0; i < s->nb_streams; i++)
2590 stream_count += !!s->streams[i]->last_in_packet_buffer;
2591
2592 if (stream_count && (s->nb_streams == stream_count || flush)) {
2593 AVPacketList *pktl = s->internal->packet_buffer;
2594 if (s->nb_streams != stream_count) {
2595 AVPacketList *last = NULL;
2596 // find last packet in edit unit
2597 while (pktl) {
2598 if (!stream_count || pktl->pkt.stream_index == 0)
2599 break;
2600 last = pktl;
2601 pktl = pktl->next;
2602 stream_count--;
2603 }
2604 // purge packet queue
2605 while (pktl) {
2606 AVPacketList *next = pktl->next;
2607
2608 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2609 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2610 av_packet_unref(&pktl->pkt);
2611 av_freep(&pktl);
2612 pktl = next;
2613 }
2614 if (last)
2615 last->next = NULL;
2616 else {
2617 s->internal->packet_buffer = NULL;
2618 s->internal->packet_buffer_end= NULL;
2619 goto out;
2620 }
2621 pktl = s->internal->packet_buffer;
2622 }
2623
2624 *out = pktl->pkt;
2625 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2626 s->internal->packet_buffer = pktl->next;
2627 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2628 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2629 if(!s->internal->packet_buffer)
2630 s->internal->packet_buffer_end= NULL;
2631 av_freep(&pktl);
2632 return 1;
2633 } else {
2634 out:
2635 av_init_packet(out);
2636 return 0;
2637 }
2638}
2639
2640static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2641{
2642 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2643 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2644
2645 return next->dts > pkt->dts ||
2646 (next->dts == pkt->dts && sc->order < sc2->order);
2647}
2648
2649static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2650{
2651 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2652 mxf_interleave_get_packet, mxf_compare_timestamps);
2653}
2654
2655#define MXF_COMMON_OPTIONS \
2656 { "signal_standard", "Force/set Sigal Standard",\
2657 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2658 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2659 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2660 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2661 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2662 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2663 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2664 { "smpte274m", "SMPTE 274M (1125 line)",\
2665 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2666 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2667 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2668 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2669 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2670 { "smpte428", "SMPTE 428-1 DCDM",\
2671 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2672
2673
2674
2675static const AVOption mxf_options[] = {
2676 MXF_COMMON_OPTIONS
2677 { "store_user_comments", "",
2678 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2679 { NULL },
2680};
2681
2682static const AVClass mxf_muxer_class = {
2683 .class_name = "MXF muxer",
2684 .item_name = av_default_item_name,
2685 .option = mxf_options,
2686 .version = LIBAVUTIL_VERSION_INT,
2687};
2688
2689static const AVOption d10_options[] = {
2690 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2691 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2692 MXF_COMMON_OPTIONS
2693 { "store_user_comments", "",
2694 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2695 { NULL },
2696};
2697
2698static const AVClass mxf_d10_muxer_class = {
2699 .class_name = "MXF-D10 muxer",
2700 .item_name = av_default_item_name,
2701 .option = d10_options,
2702 .version = LIBAVUTIL_VERSION_INT,
2703};
2704
2705static const AVOption opatom_options[] = {
2706 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2707 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2708 MXF_COMMON_OPTIONS
2709 { NULL },
2710};
2711
2712static const AVClass mxf_opatom_muxer_class = {
2713 .class_name = "MXF-OPAtom muxer",
2714 .item_name = av_default_item_name,
2715 .option = opatom_options,
2716 .version = LIBAVUTIL_VERSION_INT,
2717};
2718
2719AVOutputFormat ff_mxf_muxer = {
2720 .name = "mxf",
2721 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2722 .mime_type = "application/mxf",
2723 .extensions = "mxf",
2724 .priv_data_size = sizeof(MXFContext),
2725 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2726 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2727 .write_header = mxf_write_header,
2728 .write_packet = mxf_write_packet,
2729 .write_trailer = mxf_write_footer,
2730 .flags = AVFMT_NOTIMESTAMPS,
2731 .interleave_packet = mxf_interleave,
2732 .priv_class = &mxf_muxer_class,
2733};
2734
2735AVOutputFormat ff_mxf_d10_muxer = {
2736 .name = "mxf_d10",
2737 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2738 .mime_type = "application/mxf",
2739 .priv_data_size = sizeof(MXFContext),
2740 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2741 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2742 .write_header = mxf_write_header,
2743 .write_packet = mxf_write_packet,
2744 .write_trailer = mxf_write_footer,
2745 .flags = AVFMT_NOTIMESTAMPS,
2746 .interleave_packet = mxf_interleave,
2747 .priv_class = &mxf_d10_muxer_class,
2748};
2749
2750AVOutputFormat ff_mxf_opatom_muxer = {
2751 .name = "mxf_opatom",
2752 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2753 .mime_type = "application/mxf",
2754 .extensions = "mxf",
2755 .priv_data_size = sizeof(MXFContext),
2756 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2757 .video_codec = AV_CODEC_ID_DNXHD,
2758 .write_header = mxf_write_header,
2759 .write_packet = mxf_write_packet,
2760 .write_trailer = mxf_write_footer,
2761 .flags = AVFMT_NOTIMESTAMPS,
2762 .interleave_packet = mxf_interleave,
2763 .priv_class = &mxf_opatom_muxer_class,
2764};
2765
generated by cgit at 2024-05-17 03:06:58 (GMT)