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>
6 * This file is part of FFmpeg.
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.
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.
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
25 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
26 * SMPTE 377M MXF File Format Specifications
27 * SMPTE 379M MXF Generic Container
28 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
29 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
30 * SMPTE RP210: SMPTE Metadata Dictionary
31 * SMPTE RP224: Registry of SMPTE Universal Labels
38 #include "libavutil/opt.h"
39 #include "libavutil/random_seed.h"
40 #include "libavutil/timecode.h"
41 #include "libavutil/avassert.h"
42 #include "libavutil/time_internal.h"
43 #include "libavcodec/bytestream.h"
44 #include "libavcodec/dnxhddata.h"
45 #include "libavcodec/h264.h"
46 #include "libavcodec/internal.h"
47 #include "audiointerleave.h"
49 #include "avio_internal.h"
54 extern AVOutputFormat ff_mxf_d10_muxer;
55 extern AVOutputFormat ff_mxf_opatom_muxer;
57 #define EDIT_UNITS_PER_BODY 250
60 typedef struct MXFLocalTagPair {
65 typedef struct MXFIndexEntry {
68 unsigned slice_offset; ///< offset of audio slice
69 uint16_t temporal_ref;
72 typedef struct MXFStreamContext {
73 AudioInterleaveContext aic;
74 UID track_essence_element_key;
75 int index; ///< index in mxf_essence_container_uls table
77 int order; ///< interleaving order if dts are equal
78 int interlaced; ///< whether picture is interlaced
79 int field_dominance; ///< tff=1, bff=2
81 int temporal_reordering;
82 AVRational aspect_ratio; ///< display aspect ratio
83 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
87 typedef struct MXFContainerEssenceEntry {
91 void (*write_desc)(AVFormatContext *, AVStream *);
92 } MXFContainerEssenceEntry;
97 } mxf_essence_mappings[] = {
98 { AV_CODEC_ID_MPEG2VIDEO, 0 },
99 { AV_CODEC_ID_PCM_S24LE, 1 },
100 { AV_CODEC_ID_PCM_S16LE, 1 },
101 { AV_CODEC_ID_DVVIDEO, 15 },
102 { AV_CODEC_ID_DNXHD, 24 },
103 { AV_CODEC_ID_JPEG2000, 34 },
104 { AV_CODEC_ID_H264, 35 },
108 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
109 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
110 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
111 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
112 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
114 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
115 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
116 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
117 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
118 mxf_write_mpegvideo_desc },
119 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
120 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
121 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
122 mxf_write_aes3_desc },
123 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
124 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
125 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
126 mxf_write_wav_desc },
127 // D-10 625/50 PAL 50mb/s
128 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
129 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
130 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
131 mxf_write_cdci_desc },
132 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
133 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
134 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
135 mxf_write_generic_sound_desc },
136 // D-10 525/60 NTSC 50mb/s
137 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
138 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
139 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
140 mxf_write_cdci_desc },
141 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
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-10 625/50 PAL 40mb/s
146 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
147 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
148 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
149 mxf_write_cdci_desc },
150 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
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-10 525/60 NTSC 40mb/s
155 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
156 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
157 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
158 mxf_write_cdci_desc },
159 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
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-10 625/50 PAL 30mb/s
164 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
165 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
166 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
167 mxf_write_cdci_desc },
168 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
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-10 525/60 NTSC 30mb/s
173 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
174 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
175 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
176 mxf_write_cdci_desc },
177 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
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 },
182 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
183 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
185 mxf_write_cdci_desc },
187 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
188 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
189 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
190 mxf_write_cdci_desc },
192 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
193 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
194 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
195 mxf_write_cdci_desc },
197 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
198 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
199 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
200 mxf_write_cdci_desc },
202 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
203 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
204 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
205 mxf_write_cdci_desc },
207 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
208 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
209 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
210 mxf_write_cdci_desc },
212 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
213 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
214 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
215 mxf_write_cdci_desc },
217 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
218 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
219 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
220 mxf_write_cdci_desc },
222 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
223 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
224 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
225 mxf_write_cdci_desc },
226 // DNxHD 1080p 10bit high
227 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
229 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
230 mxf_write_cdci_desc },
231 // DNxHD 1080p 8bit medium
232 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
233 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
234 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
235 mxf_write_cdci_desc },
236 // DNxHD 1080p 8bit high
237 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
238 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
239 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
240 mxf_write_cdci_desc },
241 // DNxHD 1080i 10bit high
242 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
243 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
244 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
245 mxf_write_cdci_desc },
246 // DNxHD 1080i 8bit medium
247 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
248 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
249 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
250 mxf_write_cdci_desc },
251 // DNxHD 1080i 8bit high
252 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
253 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
254 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
255 mxf_write_cdci_desc },
257 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
258 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
259 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
260 mxf_write_cdci_desc },
261 // DNxHD 720p 8bit high
262 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
263 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
264 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
265 mxf_write_cdci_desc },
266 // DNxHD 720p 8bit medium
267 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
268 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
269 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
270 mxf_write_cdci_desc },
271 // DNxHD 720p 8bit low
272 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
273 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
274 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
275 mxf_write_cdci_desc },
277 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
278 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
279 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
280 mxf_write_cdci_desc },
282 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
283 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
284 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
285 mxf_write_mpegvideo_desc },
286 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
287 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
288 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
292 typedef struct MXFContext {
294 int64_t footer_partition_offset;
295 int essence_container_count;
296 AVRational time_base;
298 MXFIndexEntry *index_entries;
299 unsigned edit_units_count;
300 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
301 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
302 int last_indexed_edit_unit;
303 uint64_t *body_partition_offset;
304 unsigned body_partitions_count;
305 int last_key_index; ///< index of last key frame
307 AVTimecode tc; ///< timecode context
308 AVStream *timecode_track;
309 int timecode_base; ///< rounded time code base (25 or 30)
310 int edit_unit_byte_count; ///< fixed edit unit byte count
311 uint64_t body_offset;
312 uint32_t instance_number;
313 uint8_t umid[16]; ///< unique material identifier
315 uint32_t tagged_value_count;
318 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
319 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
322 * complete key for operation pattern, partitions, and primer pack
324 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
325 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
326 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
327 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
328 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
329 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
330 static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
331 static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
332 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
333 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
336 * partial key for header metadata
338 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
339 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
342 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
344 static const MXFLocalTagPair mxf_local_tag_batch[] = {
346 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
347 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
348 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
349 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
350 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
351 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
352 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
353 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
355 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
356 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
357 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
358 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
359 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
360 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
362 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
363 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
364 // Essence Container Data
365 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
366 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
368 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
369 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
370 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
371 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
372 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
373 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
374 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
376 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
377 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
378 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
379 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
380 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
382 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
383 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
384 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
386 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
387 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
388 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
389 // Timecode Component
390 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
391 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
392 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
394 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
395 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
397 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
398 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
399 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
400 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
401 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
402 // Generic Picture Essence Descriptor
403 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
404 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
405 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
406 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
407 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
408 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
409 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
410 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
411 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
412 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
413 // CDCI Picture Essence Descriptor
414 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
415 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
416 // Generic Sound Essence Descriptor
417 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
418 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
419 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
420 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
421 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
422 // Index Table Segment
423 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
424 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
425 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
426 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
427 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
428 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
429 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
430 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
431 // MPEG video Descriptor
432 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
433 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
434 // Wave Audio Essence Descriptor
435 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
436 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
439 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
441 avio_write(pb, uuid_base, 12);
443 avio_wb16(pb, value);
446 static void mxf_write_umid(AVFormatContext *s, int type)
448 MXFContext *mxf = s->priv_data;
449 avio_write(s->pb, umid_ul, 13);
450 avio_wb24(s->pb, mxf->instance_number);
451 avio_write(s->pb, mxf->umid, 15);
452 avio_w8(s->pb, type);
455 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
457 avio_wb32(pb, ref_count);
461 static int klv_ber_length(uint64_t len)
466 return (av_log2(len) >> 3) + 2;
469 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
471 // Determine the best BER size
479 size = (av_log2(len) >> 3) + 1;
482 avio_w8(pb, 0x80 + size);
485 avio_w8(pb, len >> 8 * size & 0xff);
490 static void klv_encode_ber4_length(AVIOContext *pb, int len)
492 avio_w8(pb, 0x80 + 3);
496 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
498 avio_w8(pb, 0x80 + 8);
503 * Get essence container ul index
505 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
508 for (i = 0; mxf_essence_mappings[i].id; i++)
509 if (mxf_essence_mappings[i].id == id)
510 return mxf_essence_mappings[i].index;
514 static void mxf_write_primer_pack(AVFormatContext *s)
516 AVIOContext *pb = s->pb;
517 int local_tag_number, i = 0;
519 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
521 avio_write(pb, primer_pack_key, 16);
522 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
524 avio_wb32(pb, local_tag_number); // local_tag num
525 avio_wb32(pb, 18); // item size, always 18 according to the specs
527 for (i = 0; i < local_tag_number; i++) {
528 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
529 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
533 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
539 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
541 avio_write(pb, header_metadata_key, 13);
542 avio_wb24(pb, value);
545 static void mxf_free(AVFormatContext *s)
549 for (i = 0; i < s->nb_streams; i++) {
550 AVStream *st = s->streams[i];
551 av_freep(&st->priv_data);
555 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
557 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
558 while (uls->uid[0]) {
566 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
567 #define DESCRIPTOR_COUNT(essence_container_count) \
568 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
570 static void mxf_write_essence_container_refs(AVFormatContext *s)
572 MXFContext *c = s->priv_data;
573 AVIOContext *pb = s->pb;
576 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
577 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
578 for (i = 0; i < c->essence_container_count; i++) {
579 MXFStreamContext *sc = s->streams[i]->priv_data;
580 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
583 if (c->essence_container_count > 1)
584 avio_write(pb, multiple_desc_ul, 16);
587 static void mxf_write_preface(AVFormatContext *s)
589 MXFContext *mxf = s->priv_data;
590 AVIOContext *pb = s->pb;
592 mxf_write_metadata_key(pb, 0x012f00);
593 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
594 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
596 // write preface set uid
597 mxf_write_local_tag(pb, 16, 0x3C0A);
598 mxf_write_uuid(pb, Preface, 0);
599 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
601 // last modified date
602 mxf_write_local_tag(pb, 8, 0x3B02);
603 avio_wb64(pb, mxf->timestamp);
606 mxf_write_local_tag(pb, 2, 0x3B05);
607 avio_wb16(pb, 258); // v1.2
609 // write identification_refs
610 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
611 mxf_write_refs_count(pb, 1);
612 mxf_write_uuid(pb, Identification, 0);
614 // write content_storage_refs
615 mxf_write_local_tag(pb, 16, 0x3B03);
616 mxf_write_uuid(pb, ContentStorage, 0);
618 // operational pattern
619 mxf_write_local_tag(pb, 16, 0x3B09);
620 if (s->oformat == &ff_mxf_opatom_muxer)
621 avio_write(pb, opatom_ul, 16);
623 avio_write(pb, op1a_ul, 16);
625 // write essence_container_refs
626 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
627 mxf_write_essence_container_refs(s);
629 // write dm_scheme_refs
630 mxf_write_local_tag(pb, 8, 0x3B0B);
635 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
636 * from decoding the utf-8 string.
638 static uint64_t mxf_utf16len(const char *utf8_str)
640 const uint8_t *q = utf8_str;
644 GET_UTF8(ch, *q++, goto invalid;)
651 av_log(NULL, AV_LOG_ERROR, "Invaid UTF8 sequence in mxf_utf16len\n\n");
658 * Returns the calculated length a local tag containing an utf-8 string as utf-16
660 static int mxf_utf16_local_tag_length(const char *utf8_str)
667 size = mxf_utf16len(utf8_str);
668 if (size >= UINT16_MAX/2) {
669 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
677 * Write a local tag containing an utf-8 string as utf-16
679 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
681 uint64_t size = mxf_utf16len(value);
683 if (size >= UINT16_MAX/2) {
684 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
688 mxf_write_local_tag(pb, size*2, tag);
689 avio_put_str16be(pb, value);
692 static void mxf_write_identification(AVFormatContext *s)
694 MXFContext *mxf = s->priv_data;
695 AVIOContext *pb = s->pb;
696 const char *company = "FFmpeg";
697 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
701 mxf_write_metadata_key(pb, 0x013000);
702 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
704 version = s->flags & AVFMT_FLAG_BITEXACT ?
705 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
706 length = 72 + mxf_utf16_local_tag_length(company) +
707 mxf_utf16_local_tag_length(product) +
708 mxf_utf16_local_tag_length(version);
709 klv_encode_ber_length(pb, length);
712 mxf_write_local_tag(pb, 16, 0x3C0A);
713 mxf_write_uuid(pb, Identification, 0);
714 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
716 // write generation uid
717 mxf_write_local_tag(pb, 16, 0x3C09);
718 mxf_write_uuid(pb, Identification, 1);
719 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
720 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
721 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
724 mxf_write_local_tag(pb, 16, 0x3C05);
725 mxf_write_uuid(pb, Identification, 2);
728 mxf_write_local_tag(pb, 8, 0x3C06);
729 avio_wb64(pb, mxf->timestamp);
732 static void mxf_write_content_storage(AVFormatContext *s)
734 AVIOContext *pb = s->pb;
736 mxf_write_metadata_key(pb, 0x011800);
737 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
738 klv_encode_ber_length(pb, 92);
741 mxf_write_local_tag(pb, 16, 0x3C0A);
742 mxf_write_uuid(pb, ContentStorage, 0);
743 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
745 // write package reference
746 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
747 mxf_write_refs_count(pb, 2);
748 mxf_write_uuid(pb, MaterialPackage, 0);
749 mxf_write_uuid(pb, SourcePackage, 0);
751 // write essence container data
752 mxf_write_local_tag(pb, 8 + 16, 0x1902);
753 mxf_write_refs_count(pb, 1);
754 mxf_write_uuid(pb, EssenceContainerData, 0);
757 static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
759 MXFContext *mxf = s->priv_data;
760 AVIOContext *pb = s->pb;
761 MXFStreamContext *sc = st->priv_data;
763 mxf_write_metadata_key(pb, 0x013b00);
764 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
765 klv_encode_ber_length(pb, 80);
768 mxf_write_local_tag(pb, 16, 0x3C0A);
769 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
770 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
773 mxf_write_local_tag(pb, 4, 0x4801);
774 avio_wb32(pb, st->index+2);
776 // write track number
777 mxf_write_local_tag(pb, 4, 0x4804);
778 if (type == MaterialPackage)
779 avio_wb32(pb, 0); // track number of material package is 0
781 avio_write(pb, sc->track_essence_element_key + 12, 4);
783 mxf_write_local_tag(pb, 8, 0x4B01);
784 avio_wb32(pb, mxf->time_base.den);
785 avio_wb32(pb, mxf->time_base.num);
788 mxf_write_local_tag(pb, 8, 0x4B02);
791 // write sequence refs
792 mxf_write_local_tag(pb, 16, 0x4803);
793 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
796 static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 };
798 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
800 MXFContext *mxf = s->priv_data;
801 AVIOContext *pb = s->pb;
803 // find data define uls
804 mxf_write_local_tag(pb, 16, 0x0201);
805 if (st == mxf->timecode_track)
806 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
808 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
809 avio_write(pb, data_def_ul->uid, 16);
813 mxf_write_local_tag(pb, 8, 0x0202);
814 avio_wb64(pb, mxf->duration);
817 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
819 MXFContext *mxf = s->priv_data;
820 AVIOContext *pb = s->pb;
821 enum MXFMetadataSetType component;
823 mxf_write_metadata_key(pb, 0x010f00);
824 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
825 klv_encode_ber_length(pb, 80);
827 mxf_write_local_tag(pb, 16, 0x3C0A);
828 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
830 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
831 mxf_write_common_fields(s, st);
833 // write structural component
834 mxf_write_local_tag(pb, 16 + 8, 0x1001);
835 mxf_write_refs_count(pb, 1);
836 if (st == mxf->timecode_track)
837 component = TimecodeComponent;
839 component = SourceClip;
840 if (type == SourcePackage)
841 component += TypeBottom;
842 mxf_write_uuid(pb, component, st->index);
845 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
847 MXFContext *mxf = s->priv_data;
848 AVIOContext *pb = s->pb;
850 mxf_write_metadata_key(pb, 0x011400);
851 klv_encode_ber_length(pb, 75);
854 mxf_write_local_tag(pb, 16, 0x3C0A);
855 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
856 TimecodeComponent + TypeBottom, st->index);
858 mxf_write_common_fields(s, st);
861 mxf_write_local_tag(pb, 8, 0x1501);
862 avio_wb64(pb, mxf->tc.start);
864 // Rounded Time Code Base
865 mxf_write_local_tag(pb, 2, 0x1502);
866 avio_wb16(pb, mxf->timecode_base);
869 mxf_write_local_tag(pb, 1, 0x1503);
870 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
873 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
875 AVIOContext *pb = s->pb;
878 mxf_write_metadata_key(pb, 0x011100);
879 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
880 klv_encode_ber_length(pb, 108);
883 mxf_write_local_tag(pb, 16, 0x3C0A);
884 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
886 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
887 mxf_write_common_fields(s, st);
889 // write start_position
890 mxf_write_local_tag(pb, 8, 0x1201);
893 // write source package uid, end of the reference
894 mxf_write_local_tag(pb, 32, 0x1101);
895 if (type == SourcePackage) {
896 for (i = 0; i < 4; i++)
899 mxf_write_umid(s, 1);
901 // write source track id
902 mxf_write_local_tag(pb, 4, 0x1102);
903 if (type == SourcePackage)
906 avio_wb32(pb, st->index+2);
909 static void mxf_write_multi_descriptor(AVFormatContext *s)
911 MXFContext *mxf = s->priv_data;
912 AVIOContext *pb = s->pb;
916 mxf_write_metadata_key(pb, 0x014400);
917 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
918 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
920 mxf_write_local_tag(pb, 16, 0x3C0A);
921 mxf_write_uuid(pb, MultipleDescriptor, 0);
922 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
925 mxf_write_local_tag(pb, 8, 0x3001);
926 avio_wb32(pb, mxf->time_base.den);
927 avio_wb32(pb, mxf->time_base.num);
929 // write essence container ul
930 mxf_write_local_tag(pb, 16, 0x3004);
931 if (mxf->essence_container_count > 1)
932 ul = multiple_desc_ul;
934 MXFStreamContext *sc = s->streams[0]->priv_data;
935 ul = mxf_essence_container_uls[sc->index].container_ul;
937 avio_write(pb, ul, 16);
939 // write sub descriptor refs
940 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
941 mxf_write_refs_count(pb, s->nb_streams);
942 for (i = 0; i < s->nb_streams; i++)
943 mxf_write_uuid(pb, SubDescriptor, i);
946 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
948 MXFContext *mxf = s->priv_data;
949 MXFStreamContext *sc = st->priv_data;
950 AVIOContext *pb = s->pb;
952 avio_write(pb, key, 16);
953 klv_encode_ber4_length(pb, size+20+8+12+20);
955 mxf_write_local_tag(pb, 16, 0x3C0A);
956 mxf_write_uuid(pb, SubDescriptor, st->index);
958 mxf_write_local_tag(pb, 4, 0x3006);
959 avio_wb32(pb, st->index+2);
961 mxf_write_local_tag(pb, 8, 0x3001);
962 avio_wb32(pb, mxf->time_base.den);
963 avio_wb32(pb, mxf->time_base.num);
965 mxf_write_local_tag(pb, 16, 0x3004);
966 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
969 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
970 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
971 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
972 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
973 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
975 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
977 MXFStreamContext *sc = st->priv_data;
978 AVIOContext *pb = s->pb;
979 int stored_height = (st->codec->height+15)/16*16;
982 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20;
983 if (sc->interlaced && sc->field_dominance)
986 mxf_write_generic_desc(s, st, key, desc_size);
988 mxf_write_local_tag(pb, 4, 0x3203);
989 avio_wb32(pb, st->codec->width);
991 mxf_write_local_tag(pb, 4, 0x3202);
992 avio_wb32(pb, stored_height>>sc->interlaced);
994 mxf_write_local_tag(pb, 4, 0x3209);
995 avio_wb32(pb, st->codec->width);
997 if (st->codec->height == 608) // PAL + VBI
998 display_height = 576;
999 else if (st->codec->height == 512) // NTSC + VBI
1000 display_height = 486;
1002 display_height = st->codec->height;
1004 mxf_write_local_tag(pb, 4, 0x3208);
1005 avio_wb32(pb, display_height>>sc->interlaced);
1007 // presentation Y offset
1008 mxf_write_local_tag(pb, 4, 0x320B);
1009 avio_wb32(pb, (st->codec->height - display_height)>>sc->interlaced);
1012 mxf_write_local_tag(pb, 4, 0x3301);
1013 avio_wb32(pb, sc->component_depth);
1015 // horizontal subsampling
1016 mxf_write_local_tag(pb, 4, 0x3302);
1020 mxf_write_local_tag(pb, 1, 0x320C);
1021 avio_w8(pb, sc->interlaced);
1024 switch (st->codec->height) {
1025 case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1026 case 608: f1 = 7; f2 = 320; break;
1027 case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1028 case 512: f1 = 7; f2 = 270; break;
1029 case 720: f1 = 26; f2 = 0; break; // progressive
1030 case 1080: f1 = 21; f2 = 584; break;
1031 default: f1 = 0; f2 = 0; break;
1034 if (!sc->interlaced) {
1039 mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
1040 avio_wb32(pb, sc->interlaced ? 2 : 1);
1046 mxf_write_local_tag(pb, 8, 0x320E);
1047 avio_wb32(pb, sc->aspect_ratio.num);
1048 avio_wb32(pb, sc->aspect_ratio.den);
1050 mxf_write_local_tag(pb, 16, 0x3201);
1051 avio_write(pb, *sc->codec_ul, 16);
1053 if (sc->interlaced && sc->field_dominance) {
1054 mxf_write_local_tag(pb, 1, 0x3212);
1055 avio_w8(pb, sc->field_dominance);
1060 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1062 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1065 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1067 AVIOContext *pb = s->pb;
1068 MXFStreamContext *sc = st->priv_data;
1069 int profile_and_level = (st->codec->profile<<4) | st->codec->level;
1071 if (st->codec->codec_id != AV_CODEC_ID_H264) {
1072 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1075 mxf_write_local_tag(pb, 4, 0x8000);
1076 avio_wb32(pb, sc->video_bit_rate);
1078 // profile and level
1079 mxf_write_local_tag(pb, 1, 0x8007);
1080 if (!st->codec->profile)
1081 profile_and_level |= 0x80; // escape bit
1082 avio_w8(pb, profile_and_level);
1084 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1088 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1090 AVIOContext *pb = s->pb;
1091 MXFContext *mxf = s->priv_data;
1092 int show_warnings = !mxf->footer_partition_offset;
1094 mxf_write_generic_desc(s, st, key, size+5+12+8+8);
1097 mxf_write_local_tag(pb, 1, 0x3D02);
1100 // write audio sampling rate
1101 mxf_write_local_tag(pb, 8, 0x3D03);
1102 avio_wb32(pb, st->codec->sample_rate);
1105 mxf_write_local_tag(pb, 4, 0x3D07);
1106 if (mxf->channel_count == -1) {
1107 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1108 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");
1109 avio_wb32(pb, st->codec->channels);
1110 } else if (s->oformat == &ff_mxf_d10_muxer) {
1111 if (show_warnings && (mxf->channel_count < st->codec->channels))
1112 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1113 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1114 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");
1115 avio_wb32(pb, mxf->channel_count);
1117 if (show_warnings && mxf->channel_count != -1)
1118 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1119 avio_wb32(pb, st->codec->channels);
1122 mxf_write_local_tag(pb, 4, 0x3D01);
1123 avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
1126 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1128 AVIOContext *pb = s->pb;
1130 mxf_write_generic_sound_common(s, st, key, size+6+8);
1132 mxf_write_local_tag(pb, 2, 0x3D0A);
1133 avio_wb16(pb, st->codec->block_align);
1135 // avg bytes per sec
1136 mxf_write_local_tag(pb, 4, 0x3D09);
1137 avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1140 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1142 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1145 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1147 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1150 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1152 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1155 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1157 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1159 MXFContext *mxf = s->priv_data;
1160 AVIOContext *pb = s->pb;
1161 int name_size = mxf_utf16_local_tag_length(name);
1162 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1164 if (!name_size || indirect_value_size == 13)
1167 mxf_write_metadata_key(pb, 0x013f00);
1168 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1170 // write instance UID
1171 mxf_write_local_tag(pb, 16, 0x3C0A);
1172 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1175 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1177 // write indirect value
1178 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1179 avio_write(pb, mxf_indirect_value_utf16le, 17);
1180 avio_put_str16le(pb, value);
1182 mxf->tagged_value_count++;
1186 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1188 MXFContext *mxf = s->priv_data;
1189 AVDictionaryEntry *t = NULL;
1192 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1193 if (mxf->tagged_value_count >= UINT16_MAX) {
1194 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1198 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1204 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1206 MXFContext *mxf = s->priv_data;
1207 AVIOContext *pb = s->pb;
1208 int i, track_count = s->nb_streams+1;
1209 int name_size = mxf_utf16_local_tag_length(package_name);
1210 int user_comment_count = 0;
1212 if (type == MaterialPackage) {
1213 user_comment_count = mxf_write_user_comments(s, s->metadata);
1214 mxf_write_metadata_key(pb, 0x013600);
1215 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1216 klv_encode_ber_length(pb, 104 + name_size + (16*track_count) + (16*user_comment_count));
1218 mxf_write_metadata_key(pb, 0x013700);
1219 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1220 klv_encode_ber_length(pb, 124 + name_size + (16*track_count)); // 20 bytes length for descriptor reference
1224 mxf_write_local_tag(pb, 16, 0x3C0A);
1225 mxf_write_uuid(pb, type, 0);
1226 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1227 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1229 // write package umid
1230 mxf_write_local_tag(pb, 32, 0x4401);
1231 mxf_write_umid(s, type == SourcePackage);
1232 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1236 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1238 // package creation date
1239 mxf_write_local_tag(pb, 8, 0x4405);
1240 avio_wb64(pb, mxf->timestamp);
1242 // package modified date
1243 mxf_write_local_tag(pb, 8, 0x4404);
1244 avio_wb64(pb, mxf->timestamp);
1247 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1248 mxf_write_refs_count(pb, track_count);
1249 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1250 Track + TypeBottom, -1); // timecode track
1251 for (i = 0; i < s->nb_streams; i++)
1252 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1254 // write user comment refs
1255 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1256 mxf_write_refs_count(pb, user_comment_count);
1257 for (i = 0; i < user_comment_count; i++)
1258 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1260 // write multiple descriptor reference
1261 if (type == SourcePackage) {
1262 mxf_write_local_tag(pb, 16, 0x4701);
1263 if (s->nb_streams > 1) {
1264 mxf_write_uuid(pb, MultipleDescriptor, 0);
1265 mxf_write_multi_descriptor(s);
1267 mxf_write_uuid(pb, SubDescriptor, 0);
1270 // write timecode track
1271 mxf_write_track(s, mxf->timecode_track, type);
1272 mxf_write_sequence(s, mxf->timecode_track, type);
1273 mxf_write_timecode_component(s, mxf->timecode_track, type);
1275 for (i = 0; i < s->nb_streams; i++) {
1276 AVStream *st = s->streams[i];
1277 mxf_write_track(s, st, type);
1278 mxf_write_sequence(s, st, type);
1279 mxf_write_structural_component(s, st, type);
1281 if (type == SourcePackage) {
1282 MXFStreamContext *sc = st->priv_data;
1283 mxf_essence_container_uls[sc->index].write_desc(s, st);
1288 static int mxf_write_essence_container_data(AVFormatContext *s)
1290 AVIOContext *pb = s->pb;
1292 mxf_write_metadata_key(pb, 0x012300);
1293 klv_encode_ber_length(pb, 72);
1295 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1296 mxf_write_uuid(pb, EssenceContainerData, 0);
1298 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1299 mxf_write_umid(s, 1);
1301 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1304 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1310 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1312 const char *material_package_name = NULL;
1313 const char *file_package_name = NULL;
1314 AVDictionaryEntry *entry = NULL;
1315 AVStream *st = NULL;
1318 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1319 material_package_name = entry->value;
1321 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1322 file_package_name = entry->value;
1324 /* check if any of the streams contain a file_package_name */
1325 for (i = 0; i < s->nb_streams; i++) {
1327 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1328 file_package_name = entry->value;
1334 mxf_write_preface(s);
1335 mxf_write_identification(s);
1336 mxf_write_content_storage(s);
1337 mxf_write_package(s, MaterialPackage, material_package_name);
1338 mxf_write_package(s, SourcePackage, file_package_name);
1339 mxf_write_essence_container_data(s);
1343 static unsigned klv_fill_size(uint64_t size)
1345 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1346 if (pad < 20) // smallest fill item possible
1347 return pad + KAG_SIZE;
1349 return pad & (KAG_SIZE-1);
1352 static void mxf_write_index_table_segment(AVFormatContext *s)
1354 MXFContext *mxf = s->priv_data;
1355 AVIOContext *pb = s->pb;
1356 int i, j, temporal_reordering = 0;
1357 int key_index = mxf->last_key_index;
1359 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1361 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1364 avio_write(pb, index_table_segment_key, 16);
1366 if (mxf->edit_unit_byte_count) {
1367 klv_encode_ber_length(pb, 80);
1369 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1370 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1374 mxf_write_local_tag(pb, 16, 0x3C0A);
1375 mxf_write_uuid(pb, IndexTableSegment, 0);
1378 mxf_write_local_tag(pb, 8, 0x3F0B);
1379 avio_wb32(pb, mxf->time_base.den);
1380 avio_wb32(pb, mxf->time_base.num);
1382 // index start position
1383 mxf_write_local_tag(pb, 8, 0x3F0C);
1384 avio_wb64(pb, mxf->last_indexed_edit_unit);
1387 mxf_write_local_tag(pb, 8, 0x3F0D);
1388 if (mxf->edit_unit_byte_count)
1389 avio_wb64(pb, 0); // index table covers whole container
1391 avio_wb64(pb, mxf->edit_units_count);
1393 // edit unit byte count
1394 mxf_write_local_tag(pb, 4, 0x3F05);
1395 avio_wb32(pb, mxf->edit_unit_byte_count);
1398 mxf_write_local_tag(pb, 4, 0x3F06);
1402 mxf_write_local_tag(pb, 4, 0x3F07);
1405 if (!mxf->edit_unit_byte_count) {
1406 // real slice count - 1
1407 mxf_write_local_tag(pb, 1, 0x3F08);
1408 avio_w8(pb, mxf->slice_count);
1410 // delta entry array
1411 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1412 avio_wb32(pb, s->nb_streams+1); // num of entries
1413 avio_wb32(pb, 6); // size of one entry
1414 // write system item delta entry
1416 avio_w8(pb, 0); // slice entry
1417 avio_wb32(pb, 0); // element delta
1418 for (i = 0; i < s->nb_streams; i++) {
1419 AVStream *st = s->streams[i];
1420 MXFStreamContext *sc = st->priv_data;
1421 avio_w8(pb, sc->temporal_reordering);
1422 if (sc->temporal_reordering)
1423 temporal_reordering = 1;
1424 if (i == 0) { // video track
1425 avio_w8(pb, 0); // slice number
1426 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1427 } else { // audio track
1428 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1429 audio_frame_size += klv_fill_size(audio_frame_size);
1431 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1435 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1436 avio_wb32(pb, mxf->edit_units_count); // num of entries
1437 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1439 for (i = 0; i < mxf->edit_units_count; i++) {
1440 int temporal_offset = 0;
1442 if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1443 mxf->last_key_index = key_index;
1447 if (temporal_reordering) {
1448 int pic_num_in_gop = i - key_index;
1449 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1450 for (j = key_index; j < mxf->edit_units_count; j++) {
1451 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1454 if (j == mxf->edit_units_count)
1455 av_log(s, AV_LOG_WARNING, "missing frames\n");
1456 temporal_offset = j - key_index - pic_num_in_gop;
1459 avio_w8(pb, temporal_offset);
1461 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1462 avio_w8(pb, mxf->last_key_index - i);
1464 avio_w8(pb, key_index - i); // key frame offset
1465 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1466 mxf->last_key_index = key_index;
1469 if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1470 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1471 mxf->index_entries[i].flags |= 0x80; // random access
1472 avio_w8(pb, mxf->index_entries[i].flags);
1474 avio_wb64(pb, mxf->index_entries[i].offset);
1475 if (s->nb_streams > 1)
1476 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1479 mxf->last_key_index = key_index - mxf->edit_units_count;
1480 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1481 mxf->edit_units_count = 0;
1485 static void mxf_write_klv_fill(AVFormatContext *s)
1487 unsigned pad = klv_fill_size(avio_tell(s->pb));
1489 avio_write(s->pb, klv_fill_key, 16);
1491 klv_encode_ber4_length(s->pb, pad);
1492 ffio_fill(s->pb, 0, pad);
1493 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1497 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1499 const uint8_t *key, int write_metadata)
1501 MXFContext *mxf = s->priv_data;
1502 AVIOContext *pb = s->pb;
1503 int64_t header_byte_count_offset;
1504 unsigned index_byte_count = 0;
1505 uint64_t partition_offset = avio_tell(pb);
1508 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1509 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1510 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1511 else if (mxf->edit_unit_byte_count && indexsid)
1512 index_byte_count = 80;
1514 if (index_byte_count) {
1515 // add encoded ber length
1516 index_byte_count += 16 + klv_ber_length(index_byte_count);
1517 index_byte_count += klv_fill_size(index_byte_count);
1520 if (key && !memcmp(key, body_partition_key, 16)) {
1521 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1522 sizeof(*mxf->body_partition_offset))) < 0) {
1523 mxf->body_partitions_count = 0;
1526 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1531 avio_write(pb, key, 16);
1533 avio_write(pb, body_partition_key, 16);
1535 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1537 // write partition value
1538 avio_wb16(pb, 1); // majorVersion
1539 avio_wb16(pb, 2); // minorVersion
1540 avio_wb32(pb, KAG_SIZE); // KAGSize
1542 avio_wb64(pb, partition_offset); // ThisPartition
1544 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1545 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1546 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1547 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1551 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1554 header_byte_count_offset = avio_tell(pb);
1555 avio_wb64(pb, 0); // headerByteCount, update later
1558 avio_wb64(pb, index_byte_count); // indexByteCount
1559 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1562 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1563 avio_wb64(pb, mxf->body_offset);
1567 avio_wb32(pb, bodysid); // bodySID
1569 // operational pattern
1570 if (s->oformat == &ff_mxf_opatom_muxer)
1571 avio_write(pb, opatom_ul, 16);
1573 avio_write(pb, op1a_ul, 16);
1575 // essence container
1576 mxf_write_essence_container_refs(s);
1578 if (write_metadata) {
1579 // mark the start of the headermetadata and calculate metadata size
1581 unsigned header_byte_count;
1583 mxf_write_klv_fill(s);
1584 start = avio_tell(s->pb);
1585 mxf_write_primer_pack(s);
1586 mxf_write_header_metadata_sets(s);
1587 pos = avio_tell(s->pb);
1588 header_byte_count = pos - start + klv_fill_size(pos);
1590 // update header_byte_count
1591 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1592 avio_wb64(pb, header_byte_count);
1593 avio_seek(pb, pos, SEEK_SET);
1602 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1605 MXFContext *mxf = s->priv_data;
1606 MXFStreamContext *sc = st->priv_data;
1608 uint8_t* header_cid;
1611 if (mxf->header_written)
1617 header_cid = pkt->data + 0x28;
1618 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1620 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1626 sc->component_depth = 10;
1636 sc->component_depth = 10;
1646 sc->component_depth = 10;
1661 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1662 sc->aspect_ratio = (AVRational){ 16, 9 };
1664 if(s->oformat == &ff_mxf_opatom_muxer){
1665 mxf->edit_unit_byte_count = frame_size;
1669 mxf->edit_unit_byte_count = KAG_SIZE;
1670 for (i = 0; i < s->nb_streams; i++) {
1671 AVStream *st = s->streams[i];
1672 MXFStreamContext *sc = st->priv_data;
1673 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1674 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1675 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1676 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1677 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1678 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1685 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1687 MXFContext *mxf = s->priv_data;
1688 MXFStreamContext *sc = st->priv_data;
1689 uint8_t *vs_pack, *vsc_pack;
1690 int i, ul_index, frame_size, stype, pal;
1692 if (mxf->header_written)
1695 // Check for minimal frame size
1696 if (pkt->size < 120000)
1699 vs_pack = pkt->data + 80*5 + 48;
1700 vsc_pack = pkt->data + 80*5 + 53;
1701 stype = vs_pack[3] & 0x1f;
1702 pal = (vs_pack[3] >> 5) & 0x1;
1704 if ((vs_pack[2] & 0x07) == 0x02)
1705 sc->aspect_ratio = (AVRational){ 16, 9 };
1707 sc->aspect_ratio = (AVRational){ 4, 3 };
1709 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1710 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1711 // and set field dominance accordingly
1712 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1715 case 0x18: // DV100 720p
1717 frame_size = pal ? 288000 : 240000;
1718 if (sc->interlaced) {
1719 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1723 case 0x14: // DV100 1080i
1725 frame_size = pal ? 576000 : 480000;
1729 frame_size = pal ? 288000 : 240000;
1733 frame_size = pal ? 144000 : 120000;
1736 sc->index = ul_index + 16;
1737 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1739 if(s->oformat == &ff_mxf_opatom_muxer) {
1740 mxf->edit_unit_byte_count = frame_size;
1744 mxf->edit_unit_byte_count = KAG_SIZE;
1745 for (i = 0; i < s->nb_streams; i++) {
1746 AVStream *st = s->streams[i];
1747 MXFStreamContext *sc = st->priv_data;
1748 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1749 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1750 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1751 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1752 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1753 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1760 static const struct {
1765 } mxf_h264_codec_uls[] = {
1766 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1767 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1768 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1769 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1770 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1771 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1772 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1773 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1774 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1775 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1776 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1777 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1778 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1779 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1782 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1783 AVPacket *pkt, MXFIndexEntry *e)
1785 MXFContext *mxf = s->priv_data;
1786 MXFStreamContext *sc = st->priv_data;
1787 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1788 const uint8_t *buf = pkt->data;
1789 const uint8_t *buf_end = pkt->data + pkt->size;
1790 uint32_t state = -1;
1791 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1795 if (pkt->size > extra_size)
1796 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1799 buf = avpriv_find_start_code(buf, buf_end, &state);
1803 switch (state & 0x1f) {
1805 st->codec->profile = buf[1];
1809 if (e->flags & 0x40) { // sequence header present
1810 e->flags |= 0x80; // random access
1820 if (mxf->header_written)
1823 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1824 sc->component_depth = 10; // AVC Intra is always 10 Bit
1825 sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1827 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1830 frame_size = pkt->size + extra_size;
1831 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1832 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1833 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1835 } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1836 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1842 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1849 static const UID mxf_mpeg2_codec_uls[] = {
1850 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1851 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1852 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1853 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1854 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1855 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1856 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1857 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1858 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1859 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1862 static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
1864 int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1866 if (avctx->profile == 4) { // Main
1867 if (avctx->level == 8) // Main
1868 return &mxf_mpeg2_codec_uls[0+long_gop];
1869 else if (avctx->level == 4) // High
1870 return &mxf_mpeg2_codec_uls[4+long_gop];
1871 else if (avctx->level == 6) // High 14
1872 return &mxf_mpeg2_codec_uls[8+long_gop];
1873 } else if (avctx->profile == 0) { // 422
1874 if (avctx->level == 5) // Main
1875 return &mxf_mpeg2_codec_uls[2+long_gop];
1876 else if (avctx->level == 2) // High
1877 return &mxf_mpeg2_codec_uls[6+long_gop];
1882 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1883 AVPacket *pkt, MXFIndexEntry *e)
1885 MXFStreamContext *sc = st->priv_data;
1889 for(i = 0; i < pkt->size - 4; i++) {
1890 c = (c<<8) + pkt->data[i];
1892 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1893 st->codec->profile = pkt->data[i+1] & 0x07;
1894 st->codec->level = pkt->data[i+2] >> 4;
1895 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1896 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1898 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1901 } else if (c == 0x1b8) { // gop
1902 if (pkt->data[i+4]>>6 & 0x01) { // closed
1904 if (e->flags & 0x40) // sequence header present
1905 e->flags |= 0x80; // random access
1907 } else if (c == 0x1b3) { // seq
1909 switch ((pkt->data[i+4]>>4) & 0xf) {
1910 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1911 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1912 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1914 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1915 st->codec->width, st->codec->height, 1024*1024);
1917 } else if (c == 0x100) { // pic
1918 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1919 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1920 if (pict_type == 2) { // P frame
1922 sc->closed_gop = 0; // reset closed gop, don't matter anymore
1923 } else if (pict_type == 3) { // B frame
1925 e->flags |= 0x13; // only backward prediction
1928 sc->temporal_reordering = -1;
1929 } else if (!pict_type) {
1930 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1935 if (s->oformat != &ff_mxf_d10_muxer)
1936 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
1937 return !!sc->codec_ul;
1940 static uint64_t mxf_parse_timestamp(time_t timestamp)
1943 struct tm *time = gmtime_r(×tamp, &tmbuf);
1946 return (uint64_t)(time->tm_year+1900) << 48 |
1947 (uint64_t)(time->tm_mon+1) << 40 |
1948 (uint64_t) time->tm_mday << 32 |
1949 time->tm_hour << 24 |
1950 time->tm_min << 16 |
1954 static void mxf_gen_umid(AVFormatContext *s)
1956 MXFContext *mxf = s->priv_data;
1957 uint32_t seed = av_get_random_seed();
1958 uint64_t umid = seed + 0x5294713400000000LL;
1960 AV_WB64(mxf->umid , umid);
1961 AV_WB64(mxf->umid+8, umid>>8);
1963 mxf->instance_number = seed & 0xFFFFFF;
1966 static int mxf_write_header(AVFormatContext *s)
1968 MXFContext *mxf = s->priv_data;
1970 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
1971 const MXFSamplesPerFrame *spf = NULL;
1972 AVDictionaryEntry *t;
1973 int64_t timestamp = 0;
1974 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
1979 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
1980 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
1984 for (i = 0; i < s->nb_streams; i++) {
1985 AVStream *st = s->streams[i];
1986 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
1988 return AVERROR(ENOMEM);
1991 if ((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) {
1992 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
1996 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1997 // TODO: should be avg_frame_rate
1998 AVRational rate, tbc = st->time_base;
1999 // Default component depth to 8
2000 sc->component_depth = 8;
2001 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2002 spf = ff_mxf_get_samples_per_frame(s, tbc);
2004 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2006 return AVERROR(EINVAL);
2008 mxf->time_base = spf->time_base;
2009 rate = av_inv_q(mxf->time_base);
2010 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2012 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2014 ret = av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2016 ret = av_timecode_init(&mxf->tc, rate, 0, 0, s);
2019 sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
2020 if (s->oformat == &ff_mxf_d10_muxer) {
2021 if (sc->video_bit_rate == 50000000) {
2022 if (mxf->time_base.den == 25) sc->index = 3;
2024 } else if (sc->video_bit_rate == 40000000) {
2025 if (mxf->time_base.den == 25) sc->index = 7;
2027 } else if (sc->video_bit_rate == 30000000) {
2028 if (mxf->time_base.den == 25) sc->index = 11;
2029 else sc->index = 13;
2031 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2035 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2036 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2037 mxf->time_base.num / (8*mxf->time_base.den);
2038 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2039 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2040 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2042 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2043 if (st->codec->sample_rate != 48000) {
2044 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2047 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
2048 if (s->oformat == &ff_mxf_d10_muxer) {
2049 if (st->index != 1) {
2050 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2053 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2054 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2055 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2057 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2059 mxf->slice_count = 1;
2063 sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
2064 if (sc->index == -1) {
2065 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2066 "codec not currently supported in container\n", i);
2071 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2073 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2074 sc->track_essence_element_key[15] = present[sc->index];
2075 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2077 if (!present[sc->index])
2078 mxf->essence_container_count++;
2079 present[sc->index]++;
2082 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2083 mxf->essence_container_count = 1;
2086 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2089 for (i = 0; i < s->nb_streams; i++) {
2090 MXFStreamContext *sc = s->streams[i]->priv_data;
2091 // update element count
2092 sc->track_essence_element_key[13] = present[sc->index];
2093 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2094 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2096 sc->order = AV_RB32(sc->track_essence_element_key+12);
2099 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2100 timestamp = ff_iso8601_to_unix_time(t->value);
2102 mxf->timestamp = mxf_parse_timestamp(timestamp);
2105 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2106 if (!mxf->timecode_track)
2107 return AVERROR(ENOMEM);
2108 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2109 if (!mxf->timecode_track->priv_data)
2110 return AVERROR(ENOMEM);
2111 mxf->timecode_track->index = -1;
2114 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2116 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2122 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2123 static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
2125 static void mxf_write_system_item(AVFormatContext *s)
2127 MXFContext *mxf = s->priv_data;
2128 AVIOContext *pb = s->pb;
2132 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2134 // write system metadata pack
2135 avio_write(pb, system_metadata_pack_key, 16);
2136 klv_encode_ber4_length(pb, 57);
2137 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2138 avio_w8(pb, 0x04); // content package rate
2139 avio_w8(pb, 0x00); // content package type
2140 avio_wb16(pb, 0x00); // channel handle
2141 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2142 if (mxf->essence_container_count > 1)
2143 avio_write(pb, multiple_desc_ul, 16);
2145 MXFStreamContext *sc = s->streams[0]->priv_data;
2146 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2150 avio_wb64(pb, 0); // creation date/time stamp
2152 avio_w8(pb, 0x81); // SMPTE 12M time code
2153 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2154 avio_wb32(pb, time_code);
2155 avio_wb32(pb, 0); // binary group data
2158 // write system metadata package set
2159 avio_write(pb, system_metadata_package_set_key, 16);
2160 klv_encode_ber4_length(pb, 35);
2161 avio_w8(pb, 0x83); // UMID
2162 avio_wb16(pb, 0x20);
2163 mxf_write_umid(s, 1);
2166 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2168 MXFContext *mxf = s->priv_data;
2169 AVIOContext *pb = s->pb;
2170 MXFStreamContext *sc = st->priv_data;
2171 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2172 (8*mxf->time_base.den); // frame size
2175 packet_size += 16 + 4;
2176 packet_size += klv_fill_size(packet_size);
2178 klv_encode_ber4_length(pb, pkt->size);
2179 avio_write(pb, pkt->data, pkt->size);
2181 // ensure CBR muxing by padding to correct video frame size
2182 pad = packet_size - pkt->size - 16 - 4;
2184 avio_write(s->pb, klv_fill_key, 16);
2186 klv_encode_ber4_length(s->pb, pad);
2187 ffio_fill(s->pb, 0, pad);
2188 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2190 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2191 ffio_fill(s->pb, 0, pad);
2195 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2197 MXFContext *mxf = s->priv_data;
2198 AVIOContext *pb = s->pb;
2199 int frame_size = pkt->size / st->codec->block_align;
2200 uint8_t *samples = pkt->data;
2201 uint8_t *end = pkt->data + pkt->size;
2204 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2206 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2207 avio_wl16(pb, frame_size);
2208 avio_w8(pb, (1<<st->codec->channels)-1);
2210 while (samples < end) {
2211 for (i = 0; i < st->codec->channels; i++) {
2213 if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2214 sample = AV_RL24(samples)<< 4;
2217 sample = AV_RL16(samples)<<12;
2220 avio_wl32(pb, sample | i);
2227 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2229 MXFContext *mxf = s->priv_data;
2230 AVIOContext *pb = s->pb;
2231 AVStream *st = s->streams[0];
2232 MXFStreamContext *sc = st->priv_data;
2233 const uint8_t *key = NULL;
2237 if (!mxf->header_written)
2238 key = body_partition_key;
2240 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2242 mxf_write_klv_fill(s);
2243 avio_write(pb, sc->track_essence_element_key, 16);
2244 klv_encode_ber9_length(pb, mxf->body_offset);
2248 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2250 MXFContext *mxf = s->priv_data;
2251 AVIOContext *pb = s->pb;
2255 if (!mxf->header_written) {
2256 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2258 mxf_write_klv_fill(s);
2260 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2262 mxf->header_written = 1;
2265 if (!mxf->edit_unit_byte_count) {
2266 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2267 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2268 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2270 mxf->edit_units_count++;
2271 avio_write(pb, pkt->data, pkt->size);
2272 mxf->body_offset += pkt->size;
2279 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2281 MXFContext *mxf = s->priv_data;
2282 AVIOContext *pb = s->pb;
2283 AVStream *st = s->streams[pkt->stream_index];
2284 MXFStreamContext *sc = st->priv_data;
2285 MXFIndexEntry ie = {0};
2288 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2289 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2290 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2291 mxf->edit_units_count = 0;
2292 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2297 if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2298 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2299 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2302 } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2303 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2304 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2307 } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2308 if (!mxf_parse_dv_frame(s, st, pkt)) {
2309 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2312 } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2313 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2314 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2319 if (s->oformat == &ff_mxf_opatom_muxer)
2320 return mxf_write_opatom_packet(s, pkt, &ie);
2322 if (!mxf->header_written) {
2323 if (mxf->edit_unit_byte_count) {
2324 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2326 mxf_write_klv_fill(s);
2327 mxf_write_index_table_segment(s);
2329 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2332 mxf->header_written = 1;
2335 if (st->index == 0) {
2336 if (!mxf->edit_unit_byte_count &&
2337 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2338 !(ie.flags & 0x33)) { // I frame, Gop start
2339 mxf_write_klv_fill(s);
2340 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2342 mxf_write_klv_fill(s);
2343 mxf_write_index_table_segment(s);
2346 mxf_write_klv_fill(s);
2347 mxf_write_system_item(s);
2349 if (!mxf->edit_unit_byte_count) {
2350 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2351 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2352 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2353 mxf->body_offset += KAG_SIZE; // size of system element
2355 mxf->edit_units_count++;
2356 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2357 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2358 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2361 mxf_write_klv_fill(s);
2362 avio_write(pb, sc->track_essence_element_key, 16); // write key
2363 if (s->oformat == &ff_mxf_d10_muxer) {
2364 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2365 mxf_write_d10_video_packet(s, st, pkt);
2367 mxf_write_d10_audio_packet(s, st, pkt);
2369 klv_encode_ber4_length(pb, pkt->size); // write length
2370 avio_write(pb, pkt->data, pkt->size);
2371 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2379 static void mxf_write_random_index_pack(AVFormatContext *s)
2381 MXFContext *mxf = s->priv_data;
2382 AVIOContext *pb = s->pb;
2383 uint64_t pos = avio_tell(pb);
2386 avio_write(pb, random_index_pack_key, 16);
2387 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2389 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2390 avio_wb32(pb, 1); // BodySID of header partition
2393 avio_wb64(pb, 0); // offset of header partition
2395 for (i = 0; i < mxf->body_partitions_count; i++) {
2396 avio_wb32(pb, 1); // BodySID
2397 avio_wb64(pb, mxf->body_partition_offset[i]);
2400 avio_wb32(pb, 0); // BodySID of footer partition
2401 avio_wb64(pb, mxf->footer_partition_offset);
2403 avio_wb32(pb, avio_tell(pb) - pos + 4);
2406 static int mxf_write_footer(AVFormatContext *s)
2408 MXFContext *mxf = s->priv_data;
2409 AVIOContext *pb = s->pb;
2412 if (!mxf->header_written ||
2413 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2414 /* reason could be invalid options/not supported codec/out of memory */
2415 err = AVERROR_UNKNOWN;
2419 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2421 mxf_write_klv_fill(s);
2422 mxf->footer_partition_offset = avio_tell(pb);
2423 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2424 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2427 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2429 mxf_write_klv_fill(s);
2430 mxf_write_index_table_segment(s);
2433 mxf_write_klv_fill(s);
2434 mxf_write_random_index_pack(s);
2436 if (s->pb->seekable) {
2437 if (s->oformat == &ff_mxf_opatom_muxer){
2438 /* rewrite body partition to update lengths */
2439 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2440 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2444 avio_seek(pb, 0, SEEK_SET);
2445 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2446 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2448 mxf_write_klv_fill(s);
2449 mxf_write_index_table_segment(s);
2451 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2457 ff_audio_interleave_close(s);
2459 av_freep(&mxf->index_entries);
2460 av_freep(&mxf->body_partition_offset);
2461 av_freep(&mxf->timecode_track->priv_data);
2462 av_freep(&mxf->timecode_track);
2466 return err < 0 ? err : 0;
2469 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2471 int i, stream_count = 0;
2473 for (i = 0; i < s->nb_streams; i++)
2474 stream_count += !!s->streams[i]->last_in_packet_buffer;
2476 if (stream_count && (s->nb_streams == stream_count || flush)) {
2477 AVPacketList *pktl = s->internal->packet_buffer;
2478 if (s->nb_streams != stream_count) {
2479 AVPacketList *last = NULL;
2480 // find last packet in edit unit
2482 if (!stream_count || pktl->pkt.stream_index == 0)
2488 // purge packet queue
2490 AVPacketList *next = pktl->next;
2492 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2493 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2494 av_free_packet(&pktl->pkt);
2501 s->internal->packet_buffer = NULL;
2502 s->internal->packet_buffer_end= NULL;
2505 pktl = s->internal->packet_buffer;
2509 av_dlog(s, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2510 s->internal->packet_buffer = pktl->next;
2511 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2512 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2513 if(!s->internal->packet_buffer)
2514 s->internal->packet_buffer_end= NULL;
2519 av_init_packet(out);
2524 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2526 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2527 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2529 return next->dts > pkt->dts ||
2530 (next->dts == pkt->dts && sc->order < sc2->order);
2533 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2535 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2536 mxf_interleave_get_packet, mxf_compare_timestamps);
2539 static const AVOption d10_options[] = {
2540 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2541 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2545 static const AVClass mxf_d10_muxer_class = {
2546 .class_name = "MXF-D10 muxer",
2547 .item_name = av_default_item_name,
2548 .option = d10_options,
2549 .version = LIBAVUTIL_VERSION_INT,
2552 AVOutputFormat ff_mxf_muxer = {
2554 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2555 .mime_type = "application/mxf",
2556 .extensions = "mxf",
2557 .priv_data_size = sizeof(MXFContext),
2558 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2559 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2560 .write_header = mxf_write_header,
2561 .write_packet = mxf_write_packet,
2562 .write_trailer = mxf_write_footer,
2563 .flags = AVFMT_NOTIMESTAMPS,
2564 .interleave_packet = mxf_interleave,
2567 AVOutputFormat ff_mxf_d10_muxer = {
2569 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2570 .mime_type = "application/mxf",
2571 .priv_data_size = sizeof(MXFContext),
2572 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2573 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2574 .write_header = mxf_write_header,
2575 .write_packet = mxf_write_packet,
2576 .write_trailer = mxf_write_footer,
2577 .flags = AVFMT_NOTIMESTAMPS,
2578 .interleave_packet = mxf_interleave,
2579 .priv_class = &mxf_d10_muxer_class,
2582 AVOutputFormat ff_mxf_opatom_muxer = {
2583 .name = "mxf_opatom",
2584 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2585 .mime_type = "application/mxf",
2586 .extensions = "mxf",
2587 .priv_data_size = sizeof(MXFContext),
2588 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2589 .video_codec = AV_CODEC_ID_DNXHD,
2590 .write_header = mxf_write_header,
2591 .write_packet = mxf_write_packet,
2592 .write_trailer = mxf_write_footer,
2593 .flags = AVFMT_NOTIMESTAMPS,
2594 .interleave_packet = mxf_interleave,