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
22 * signal_standard, color_siting and klv_fill_key version fixes sponsored by NOA GmbH
27 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
28 * SMPTE 377M MXF File Format Specifications
29 * SMPTE 379M MXF Generic Container
30 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
31 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
32 * SMPTE RP210: SMPTE Metadata Dictionary
33 * SMPTE RP224: Registry of SMPTE Universal Labels
40 #include "libavutil/opt.h"
41 #include "libavutil/random_seed.h"
42 #include "libavutil/timecode.h"
43 #include "libavutil/avassert.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/time_internal.h"
46 #include "libavcodec/bytestream.h"
47 #include "libavcodec/dnxhddata.h"
48 #include "libavcodec/h264.h"
49 #include "libavcodec/internal.h"
50 #include "audiointerleave.h"
52 #include "avio_internal.h"
57 extern AVOutputFormat ff_mxf_d10_muxer;
58 extern AVOutputFormat ff_mxf_opatom_muxer;
60 #define EDIT_UNITS_PER_BODY 250
63 typedef struct MXFLocalTagPair {
68 typedef struct MXFIndexEntry {
71 unsigned slice_offset; ///< offset of audio slice
72 uint16_t temporal_ref;
75 typedef struct MXFStreamContext {
76 AudioInterleaveContext aic;
77 UID track_essence_element_key;
78 int index; ///< index in mxf_essence_container_uls table
80 int order; ///< interleaving order if dts are equal
81 int interlaced; ///< whether picture is interlaced
82 int field_dominance; ///< tff=1, bff=2
86 int h_chroma_sub_sample;
87 int temporal_reordering;
88 AVRational aspect_ratio; ///< display aspect ratio
89 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
93 typedef struct MXFContainerEssenceEntry {
97 void (*write_desc)(AVFormatContext *, AVStream *);
98 } MXFContainerEssenceEntry;
100 static const struct {
103 } mxf_essence_mappings[] = {
104 { AV_CODEC_ID_MPEG2VIDEO, 0 },
105 { AV_CODEC_ID_PCM_S24LE, 1 },
106 { AV_CODEC_ID_PCM_S16LE, 1 },
107 { AV_CODEC_ID_DVVIDEO, 15 },
108 { AV_CODEC_ID_DNXHD, 24 },
109 { AV_CODEC_ID_JPEG2000, 34 },
110 { AV_CODEC_ID_H264, 35 },
114 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
115 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
116 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
117 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
118 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
120 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
121 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
122 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
123 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
124 mxf_write_mpegvideo_desc },
125 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
126 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
127 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
128 mxf_write_aes3_desc },
129 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
130 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
131 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
132 mxf_write_wav_desc },
133 // D-10 625/50 PAL 50mb/s
134 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
135 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
136 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
137 mxf_write_cdci_desc },
138 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
139 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
140 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
141 mxf_write_generic_sound_desc },
142 // D-10 525/60 NTSC 50mb/s
143 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
144 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
145 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
146 mxf_write_cdci_desc },
147 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
148 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
149 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
150 mxf_write_generic_sound_desc },
151 // D-10 625/50 PAL 40mb/s
152 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
153 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
154 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
155 mxf_write_cdci_desc },
156 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
157 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
158 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
159 mxf_write_generic_sound_desc },
160 // D-10 525/60 NTSC 40mb/s
161 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
162 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
163 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
164 mxf_write_cdci_desc },
165 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
166 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
167 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
168 mxf_write_generic_sound_desc },
169 // D-10 625/50 PAL 30mb/s
170 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
171 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
172 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
173 mxf_write_cdci_desc },
174 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
175 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
176 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
177 mxf_write_generic_sound_desc },
178 // D-10 525/60 NTSC 30mb/s
179 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
180 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
181 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
182 mxf_write_cdci_desc },
183 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
184 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
185 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
186 mxf_write_generic_sound_desc },
188 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
189 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
190 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
191 mxf_write_cdci_desc },
193 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
194 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
195 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
196 mxf_write_cdci_desc },
198 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
199 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
200 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
201 mxf_write_cdci_desc },
203 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
204 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
205 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
206 mxf_write_cdci_desc },
208 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
209 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
210 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
211 mxf_write_cdci_desc },
213 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
214 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
215 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
216 mxf_write_cdci_desc },
218 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
219 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
220 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
221 mxf_write_cdci_desc },
223 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
224 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
225 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
226 mxf_write_cdci_desc },
228 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
229 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
230 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
231 mxf_write_cdci_desc },
232 // DNxHD 1080p 10bit high
233 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
234 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
235 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
236 mxf_write_cdci_desc },
237 // DNxHD 1080p 8bit medium
238 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
239 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
240 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
241 mxf_write_cdci_desc },
242 // DNxHD 1080p 8bit high
243 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
244 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
245 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
246 mxf_write_cdci_desc },
247 // DNxHD 1080i 10bit high
248 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
249 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
250 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
251 mxf_write_cdci_desc },
252 // DNxHD 1080i 8bit medium
253 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
254 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
255 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
256 mxf_write_cdci_desc },
257 // DNxHD 1080i 8bit high
258 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
259 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
260 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
261 mxf_write_cdci_desc },
263 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
264 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
265 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
266 mxf_write_cdci_desc },
267 // DNxHD 720p 8bit high
268 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
269 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
270 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
271 mxf_write_cdci_desc },
272 // DNxHD 720p 8bit medium
273 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
274 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
275 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
276 mxf_write_cdci_desc },
277 // DNxHD 720p 8bit low
278 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
279 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
280 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
281 mxf_write_cdci_desc },
283 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
284 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
285 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
286 mxf_write_cdci_desc },
288 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
289 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
290 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
291 mxf_write_mpegvideo_desc },
292 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
293 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
294 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
298 typedef struct MXFContext {
300 int64_t footer_partition_offset;
301 int essence_container_count;
302 AVRational time_base;
304 MXFIndexEntry *index_entries;
305 unsigned edit_units_count;
306 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
307 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
308 int last_indexed_edit_unit;
309 uint64_t *body_partition_offset;
310 unsigned body_partitions_count;
311 int last_key_index; ///< index of last key frame
313 AVTimecode tc; ///< timecode context
314 AVStream *timecode_track;
315 int timecode_base; ///< rounded time code base (25 or 30)
316 int edit_unit_byte_count; ///< fixed edit unit byte count
317 uint64_t body_offset;
318 uint32_t instance_number;
319 uint8_t umid[16]; ///< unique material identifier
322 uint32_t tagged_value_count;
323 AVRational audio_edit_rate;
326 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
327 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
330 * complete key for operation pattern, partitions, and primer pack
332 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
333 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
334 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
335 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
336 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
337 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
338 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
339 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
340 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
341 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
344 * partial key for header metadata
346 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
347 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
350 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
352 static const MXFLocalTagPair mxf_local_tag_batch[] = {
354 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
355 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
356 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
357 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
358 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
359 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
360 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
361 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
363 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
364 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
365 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
366 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
367 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
368 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
370 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
371 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
372 // Essence Container Data
373 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
374 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
376 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
377 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
378 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
379 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
380 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
381 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
382 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
384 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
385 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
386 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
387 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
388 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
390 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
391 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
392 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
394 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
395 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
396 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
397 // Timecode Component
398 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
399 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
400 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
402 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
403 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
405 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
406 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
407 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
408 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
409 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
410 // Generic Picture Essence Descriptor
411 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
412 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
413 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
414 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
415 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
416 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
417 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
418 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
419 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
420 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
421 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
422 // CDCI Picture Essence Descriptor
423 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
424 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
425 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
426 // Generic Sound Essence Descriptor
427 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
428 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
429 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
430 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
431 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
432 // Index Table Segment
433 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
434 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
435 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
436 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
437 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
438 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
439 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
440 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
441 // MPEG video Descriptor
442 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
443 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
444 // Wave Audio Essence Descriptor
445 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
446 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
449 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
451 avio_write(pb, uuid_base, 12);
453 avio_wb16(pb, value);
456 static void mxf_write_umid(AVFormatContext *s, int type)
458 MXFContext *mxf = s->priv_data;
459 avio_write(s->pb, umid_ul, 13);
460 avio_wb24(s->pb, mxf->instance_number);
461 avio_write(s->pb, mxf->umid, 15);
462 avio_w8(s->pb, type);
465 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
467 avio_wb32(pb, ref_count);
471 static int klv_ber_length(uint64_t len)
476 return (av_log2(len) >> 3) + 2;
479 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
481 // Determine the best BER size
489 size = (av_log2(len) >> 3) + 1;
492 avio_w8(pb, 0x80 + size);
495 avio_w8(pb, len >> 8 * size & 0xff);
500 static void klv_encode_ber4_length(AVIOContext *pb, int len)
502 avio_w8(pb, 0x80 + 3);
506 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
508 avio_w8(pb, 0x80 + 8);
513 * Get essence container ul index
515 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
518 for (i = 0; mxf_essence_mappings[i].id; i++)
519 if (mxf_essence_mappings[i].id == id)
520 return mxf_essence_mappings[i].index;
524 static void mxf_write_primer_pack(AVFormatContext *s)
526 AVIOContext *pb = s->pb;
527 int local_tag_number, i = 0;
529 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
531 avio_write(pb, primer_pack_key, 16);
532 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
534 avio_wb32(pb, local_tag_number); // local_tag num
535 avio_wb32(pb, 18); // item size, always 18 according to the specs
537 for (i = 0; i < local_tag_number; i++) {
538 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
539 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
543 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
549 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
551 avio_write(pb, header_metadata_key, 13);
552 avio_wb24(pb, value);
555 static void mxf_free(AVFormatContext *s)
559 for (i = 0; i < s->nb_streams; i++) {
560 AVStream *st = s->streams[i];
561 av_freep(&st->priv_data);
565 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
567 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
568 while (uls->uid[0]) {
576 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
577 #define DESCRIPTOR_COUNT(essence_container_count) \
578 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
580 static void mxf_write_essence_container_refs(AVFormatContext *s)
582 MXFContext *c = s->priv_data;
583 AVIOContext *pb = s->pb;
586 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
587 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
588 for (i = 0; i < c->essence_container_count; i++) {
589 MXFStreamContext *sc = s->streams[i]->priv_data;
590 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
593 if (c->essence_container_count > 1)
594 avio_write(pb, multiple_desc_ul, 16);
597 static void mxf_write_preface(AVFormatContext *s)
599 MXFContext *mxf = s->priv_data;
600 AVIOContext *pb = s->pb;
602 mxf_write_metadata_key(pb, 0x012f00);
603 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
604 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
606 // write preface set uid
607 mxf_write_local_tag(pb, 16, 0x3C0A);
608 mxf_write_uuid(pb, Preface, 0);
609 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
611 // last modified date
612 mxf_write_local_tag(pb, 8, 0x3B02);
613 avio_wb64(pb, mxf->timestamp);
616 mxf_write_local_tag(pb, 2, 0x3B05);
617 avio_wb16(pb, 258); // v1.2
619 // write identification_refs
620 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
621 mxf_write_refs_count(pb, 1);
622 mxf_write_uuid(pb, Identification, 0);
624 // write content_storage_refs
625 mxf_write_local_tag(pb, 16, 0x3B03);
626 mxf_write_uuid(pb, ContentStorage, 0);
628 // operational pattern
629 mxf_write_local_tag(pb, 16, 0x3B09);
630 if (s->oformat == &ff_mxf_opatom_muxer)
631 avio_write(pb, opatom_ul, 16);
633 avio_write(pb, op1a_ul, 16);
635 // write essence_container_refs
636 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
637 mxf_write_essence_container_refs(s);
639 // write dm_scheme_refs
640 mxf_write_local_tag(pb, 8, 0x3B0B);
645 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
646 * from decoding the utf-8 string.
648 static uint64_t mxf_utf16len(const char *utf8_str)
650 const uint8_t *q = utf8_str;
654 GET_UTF8(ch, *q++, goto invalid;)
661 av_log(NULL, AV_LOG_ERROR, "Invaid UTF8 sequence in mxf_utf16len\n\n");
668 * Returns the calculated length a local tag containing an utf-8 string as utf-16
670 static int mxf_utf16_local_tag_length(const char *utf8_str)
677 size = mxf_utf16len(utf8_str);
678 if (size >= UINT16_MAX/2) {
679 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
687 * Write a local tag containing an utf-8 string as utf-16
689 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
691 uint64_t size = mxf_utf16len(value);
693 if (size >= UINT16_MAX/2) {
694 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
698 mxf_write_local_tag(pb, size*2, tag);
699 avio_put_str16be(pb, value);
702 static void mxf_write_identification(AVFormatContext *s)
704 MXFContext *mxf = s->priv_data;
705 AVIOContext *pb = s->pb;
706 const char *company = "FFmpeg";
707 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
711 mxf_write_metadata_key(pb, 0x013000);
712 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
714 version = s->flags & AVFMT_FLAG_BITEXACT ?
715 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
716 length = 72 + mxf_utf16_local_tag_length(company) +
717 mxf_utf16_local_tag_length(product) +
718 mxf_utf16_local_tag_length(version);
719 klv_encode_ber_length(pb, length);
722 mxf_write_local_tag(pb, 16, 0x3C0A);
723 mxf_write_uuid(pb, Identification, 0);
724 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
726 // write generation uid
727 mxf_write_local_tag(pb, 16, 0x3C09);
728 mxf_write_uuid(pb, Identification, 1);
729 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
730 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
731 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
734 mxf_write_local_tag(pb, 16, 0x3C05);
735 mxf_write_uuid(pb, Identification, 2);
738 mxf_write_local_tag(pb, 8, 0x3C06);
739 avio_wb64(pb, mxf->timestamp);
742 static void mxf_write_content_storage(AVFormatContext *s)
744 AVIOContext *pb = s->pb;
746 mxf_write_metadata_key(pb, 0x011800);
747 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
748 klv_encode_ber_length(pb, 92);
751 mxf_write_local_tag(pb, 16, 0x3C0A);
752 mxf_write_uuid(pb, ContentStorage, 0);
753 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
755 // write package reference
756 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
757 mxf_write_refs_count(pb, 2);
758 mxf_write_uuid(pb, MaterialPackage, 0);
759 mxf_write_uuid(pb, SourcePackage, 0);
761 // write essence container data
762 mxf_write_local_tag(pb, 8 + 16, 0x1902);
763 mxf_write_refs_count(pb, 1);
764 mxf_write_uuid(pb, EssenceContainerData, 0);
767 static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
769 MXFContext *mxf = s->priv_data;
770 AVIOContext *pb = s->pb;
771 MXFStreamContext *sc = st->priv_data;
773 mxf_write_metadata_key(pb, 0x013b00);
774 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
775 klv_encode_ber_length(pb, 80);
778 mxf_write_local_tag(pb, 16, 0x3C0A);
779 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
780 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
783 mxf_write_local_tag(pb, 4, 0x4801);
784 avio_wb32(pb, st->index+2);
786 // write track number
787 mxf_write_local_tag(pb, 4, 0x4804);
788 if (type == MaterialPackage)
789 avio_wb32(pb, 0); // track number of material package is 0
791 avio_write(pb, sc->track_essence_element_key + 12, 4);
793 mxf_write_local_tag(pb, 8, 0x4B01);
795 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
796 avio_wb32(pb, mxf->tc.rate.num);
797 avio_wb32(pb, mxf->tc.rate.den);
799 avio_wb32(pb, mxf->time_base.den);
800 avio_wb32(pb, mxf->time_base.num);
804 mxf_write_local_tag(pb, 8, 0x4B02);
807 // write sequence refs
808 mxf_write_local_tag(pb, 16, 0x4803);
809 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
812 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 };
814 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
816 MXFContext *mxf = s->priv_data;
817 AVIOContext *pb = s->pb;
819 // find data define uls
820 mxf_write_local_tag(pb, 16, 0x0201);
821 if (st == mxf->timecode_track)
822 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
824 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
825 avio_write(pb, data_def_ul->uid, 16);
829 mxf_write_local_tag(pb, 8, 0x0202);
831 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
832 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
834 avio_wb64(pb, mxf->duration);
838 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
840 MXFContext *mxf = s->priv_data;
841 AVIOContext *pb = s->pb;
842 enum MXFMetadataSetType component;
844 mxf_write_metadata_key(pb, 0x010f00);
845 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
846 klv_encode_ber_length(pb, 80);
848 mxf_write_local_tag(pb, 16, 0x3C0A);
849 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
851 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
852 mxf_write_common_fields(s, st);
854 // write structural component
855 mxf_write_local_tag(pb, 16 + 8, 0x1001);
856 mxf_write_refs_count(pb, 1);
857 if (st == mxf->timecode_track)
858 component = TimecodeComponent;
860 component = SourceClip;
861 if (type == SourcePackage)
862 component += TypeBottom;
863 mxf_write_uuid(pb, component, st->index);
866 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
868 MXFContext *mxf = s->priv_data;
869 AVIOContext *pb = s->pb;
871 mxf_write_metadata_key(pb, 0x011400);
872 klv_encode_ber_length(pb, 75);
875 mxf_write_local_tag(pb, 16, 0x3C0A);
876 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
877 TimecodeComponent + TypeBottom, st->index);
879 mxf_write_common_fields(s, st);
882 mxf_write_local_tag(pb, 8, 0x1501);
883 avio_wb64(pb, mxf->tc.start);
885 // Rounded Time Code Base
886 mxf_write_local_tag(pb, 2, 0x1502);
887 avio_wb16(pb, mxf->timecode_base);
890 mxf_write_local_tag(pb, 1, 0x1503);
891 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
894 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
896 AVIOContext *pb = s->pb;
899 mxf_write_metadata_key(pb, 0x011100);
900 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
901 klv_encode_ber_length(pb, 108);
904 mxf_write_local_tag(pb, 16, 0x3C0A);
905 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
907 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
908 mxf_write_common_fields(s, st);
910 // write start_position
911 mxf_write_local_tag(pb, 8, 0x1201);
914 // write source package uid, end of the reference
915 mxf_write_local_tag(pb, 32, 0x1101);
916 if (type == SourcePackage) {
917 for (i = 0; i < 4; i++)
920 mxf_write_umid(s, 1);
922 // write source track id
923 mxf_write_local_tag(pb, 4, 0x1102);
924 if (type == SourcePackage)
927 avio_wb32(pb, st->index+2);
930 static void mxf_write_multi_descriptor(AVFormatContext *s)
932 MXFContext *mxf = s->priv_data;
933 AVIOContext *pb = s->pb;
937 mxf_write_metadata_key(pb, 0x014400);
938 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
939 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
941 mxf_write_local_tag(pb, 16, 0x3C0A);
942 mxf_write_uuid(pb, MultipleDescriptor, 0);
943 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
946 mxf_write_local_tag(pb, 8, 0x3001);
947 avio_wb32(pb, mxf->time_base.den);
948 avio_wb32(pb, mxf->time_base.num);
950 // write essence container ul
951 mxf_write_local_tag(pb, 16, 0x3004);
952 if (mxf->essence_container_count > 1)
953 ul = multiple_desc_ul;
955 MXFStreamContext *sc = s->streams[0]->priv_data;
956 ul = mxf_essence_container_uls[sc->index].container_ul;
958 avio_write(pb, ul, 16);
960 // write sub descriptor refs
961 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
962 mxf_write_refs_count(pb, s->nb_streams);
963 for (i = 0; i < s->nb_streams; i++)
964 mxf_write_uuid(pb, SubDescriptor, i);
967 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
969 MXFContext *mxf = s->priv_data;
970 MXFStreamContext *sc = st->priv_data;
971 AVIOContext *pb = s->pb;
973 avio_write(pb, key, 16);
974 klv_encode_ber4_length(pb, size+20+8+12+20);
976 mxf_write_local_tag(pb, 16, 0x3C0A);
977 mxf_write_uuid(pb, SubDescriptor, st->index);
979 mxf_write_local_tag(pb, 4, 0x3006);
980 avio_wb32(pb, st->index+2);
982 mxf_write_local_tag(pb, 8, 0x3001);
983 avio_wb32(pb, mxf->time_base.den);
984 avio_wb32(pb, mxf->time_base.num);
986 mxf_write_local_tag(pb, 16, 0x3004);
987 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
990 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
991 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
992 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
993 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
994 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
996 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
998 MXFStreamContext *sc = st->priv_data;
999 AVIOContext *pb = s->pb;
1000 int stored_height = (st->codec->height+15)/16*16;
1003 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20+5;
1004 if (sc->interlaced && sc->field_dominance)
1006 if (sc->signal_standard)
1009 mxf_write_generic_desc(s, st, key, desc_size);
1011 mxf_write_local_tag(pb, 4, 0x3203);
1012 avio_wb32(pb, st->codec->width);
1014 mxf_write_local_tag(pb, 4, 0x3202);
1015 avio_wb32(pb, stored_height>>sc->interlaced);
1017 mxf_write_local_tag(pb, 4, 0x3209);
1018 avio_wb32(pb, st->codec->width);
1020 if (st->codec->height == 608) // PAL + VBI
1021 display_height = 576;
1022 else if (st->codec->height == 512) // NTSC + VBI
1023 display_height = 486;
1025 display_height = st->codec->height;
1027 mxf_write_local_tag(pb, 4, 0x3208);
1028 avio_wb32(pb, display_height>>sc->interlaced);
1030 // presentation Y offset
1031 mxf_write_local_tag(pb, 4, 0x320B);
1032 avio_wb32(pb, (st->codec->height - display_height)>>sc->interlaced);
1035 mxf_write_local_tag(pb, 4, 0x3301);
1036 avio_wb32(pb, sc->component_depth);
1038 // horizontal subsampling
1039 mxf_write_local_tag(pb, 4, 0x3302);
1040 avio_wb32(pb, sc->h_chroma_sub_sample);
1043 mxf_write_local_tag(pb, 1, 0x3303);
1044 avio_w8(pb, sc->color_siting);
1046 if (sc->signal_standard) {
1047 mxf_write_local_tag(pb, 1, 0x3215);
1048 avio_w8(pb, sc->signal_standard);
1052 mxf_write_local_tag(pb, 1, 0x320C);
1053 avio_w8(pb, sc->interlaced);
1056 switch (st->codec->height) {
1057 case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1058 case 608: f1 = 7; f2 = 320; break;
1059 case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1060 case 512: f1 = 7; f2 = 270; break;
1061 case 720: f1 = 26; f2 = 0; break; // progressive
1062 case 1080: f1 = 21; f2 = 584; break;
1063 default: f1 = 0; f2 = 0; break;
1066 if (!sc->interlaced) {
1071 mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
1072 avio_wb32(pb, sc->interlaced ? 2 : 1);
1078 mxf_write_local_tag(pb, 8, 0x320E);
1079 avio_wb32(pb, sc->aspect_ratio.num);
1080 avio_wb32(pb, sc->aspect_ratio.den);
1082 mxf_write_local_tag(pb, 16, 0x3201);
1083 avio_write(pb, *sc->codec_ul, 16);
1085 if (sc->interlaced && sc->field_dominance) {
1086 mxf_write_local_tag(pb, 1, 0x3212);
1087 avio_w8(pb, sc->field_dominance);
1092 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1094 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1097 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1099 AVIOContext *pb = s->pb;
1100 MXFStreamContext *sc = st->priv_data;
1101 int profile_and_level = (st->codec->profile<<4) | st->codec->level;
1103 if (st->codec->codec_id != AV_CODEC_ID_H264) {
1104 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1107 mxf_write_local_tag(pb, 4, 0x8000);
1108 avio_wb32(pb, sc->video_bit_rate);
1110 // profile and level
1111 mxf_write_local_tag(pb, 1, 0x8007);
1112 if (!st->codec->profile)
1113 profile_and_level |= 0x80; // escape bit
1114 avio_w8(pb, profile_and_level);
1116 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1120 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1122 AVIOContext *pb = s->pb;
1123 MXFContext *mxf = s->priv_data;
1124 int show_warnings = !mxf->footer_partition_offset;
1125 int duration_size = 0;
1127 if (s->oformat == &ff_mxf_opatom_muxer)
1130 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1132 if (duration_size > 0){
1133 mxf_write_local_tag(pb, 8, 0x3002);
1134 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1138 mxf_write_local_tag(pb, 1, 0x3D02);
1141 // write audio sampling rate
1142 mxf_write_local_tag(pb, 8, 0x3D03);
1143 avio_wb32(pb, st->codec->sample_rate);
1146 mxf_write_local_tag(pb, 4, 0x3D07);
1147 if (mxf->channel_count == -1) {
1148 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1149 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");
1150 avio_wb32(pb, st->codec->channels);
1151 } else if (s->oformat == &ff_mxf_d10_muxer) {
1152 if (show_warnings && (mxf->channel_count < st->codec->channels))
1153 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1154 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1155 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");
1156 avio_wb32(pb, mxf->channel_count);
1158 if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1159 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1160 avio_wb32(pb, st->codec->channels);
1163 mxf_write_local_tag(pb, 4, 0x3D01);
1164 avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
1167 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1169 AVIOContext *pb = s->pb;
1171 mxf_write_generic_sound_common(s, st, key, size+6+8);
1173 mxf_write_local_tag(pb, 2, 0x3D0A);
1174 avio_wb16(pb, st->codec->block_align);
1176 // avg bytes per sec
1177 mxf_write_local_tag(pb, 4, 0x3D09);
1178 avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1181 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1183 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1186 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1188 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1191 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1193 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1196 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 };
1198 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1200 MXFContext *mxf = s->priv_data;
1201 AVIOContext *pb = s->pb;
1202 int name_size = mxf_utf16_local_tag_length(name);
1203 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1205 if (!name_size || indirect_value_size == 13)
1208 mxf_write_metadata_key(pb, 0x013f00);
1209 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1211 // write instance UID
1212 mxf_write_local_tag(pb, 16, 0x3C0A);
1213 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1216 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1218 // write indirect value
1219 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1220 avio_write(pb, mxf_indirect_value_utf16le, 17);
1221 avio_put_str16le(pb, value);
1223 mxf->tagged_value_count++;
1227 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1229 MXFContext *mxf = s->priv_data;
1230 AVDictionaryEntry *t = NULL;
1233 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1234 if (mxf->tagged_value_count >= UINT16_MAX) {
1235 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1239 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1245 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1247 MXFContext *mxf = s->priv_data;
1248 AVIOContext *pb = s->pb;
1249 int i, track_count = s->nb_streams+1;
1250 int name_size = mxf_utf16_local_tag_length(package_name);
1251 int user_comment_count = 0;
1253 if (type == MaterialPackage) {
1254 user_comment_count = mxf_write_user_comments(s, s->metadata);
1255 mxf_write_metadata_key(pb, 0x013600);
1256 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1257 klv_encode_ber_length(pb, 104 + name_size + (16*track_count) + (16*user_comment_count));
1259 mxf_write_metadata_key(pb, 0x013700);
1260 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1261 klv_encode_ber_length(pb, 124 + name_size + (16*track_count)); // 20 bytes length for descriptor reference
1265 mxf_write_local_tag(pb, 16, 0x3C0A);
1266 mxf_write_uuid(pb, type, 0);
1267 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1268 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1270 // write package umid
1271 mxf_write_local_tag(pb, 32, 0x4401);
1272 mxf_write_umid(s, type == SourcePackage);
1273 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1277 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1279 // package creation date
1280 mxf_write_local_tag(pb, 8, 0x4405);
1281 avio_wb64(pb, mxf->timestamp);
1283 // package modified date
1284 mxf_write_local_tag(pb, 8, 0x4404);
1285 avio_wb64(pb, mxf->timestamp);
1288 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1289 mxf_write_refs_count(pb, track_count);
1290 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1291 Track + TypeBottom, -1); // timecode track
1292 for (i = 0; i < s->nb_streams; i++)
1293 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1295 // write user comment refs
1296 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1297 mxf_write_refs_count(pb, user_comment_count);
1298 for (i = 0; i < user_comment_count; i++)
1299 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1301 // write multiple descriptor reference
1302 if (type == SourcePackage) {
1303 mxf_write_local_tag(pb, 16, 0x4701);
1304 if (s->nb_streams > 1) {
1305 mxf_write_uuid(pb, MultipleDescriptor, 0);
1306 mxf_write_multi_descriptor(s);
1308 mxf_write_uuid(pb, SubDescriptor, 0);
1311 // write timecode track
1312 mxf_write_track(s, mxf->timecode_track, type);
1313 mxf_write_sequence(s, mxf->timecode_track, type);
1314 mxf_write_timecode_component(s, mxf->timecode_track, type);
1316 for (i = 0; i < s->nb_streams; i++) {
1317 AVStream *st = s->streams[i];
1318 mxf_write_track(s, st, type);
1319 mxf_write_sequence(s, st, type);
1320 mxf_write_structural_component(s, st, type);
1322 if (type == SourcePackage) {
1323 MXFStreamContext *sc = st->priv_data;
1324 mxf_essence_container_uls[sc->index].write_desc(s, st);
1329 static int mxf_write_essence_container_data(AVFormatContext *s)
1331 AVIOContext *pb = s->pb;
1333 mxf_write_metadata_key(pb, 0x012300);
1334 klv_encode_ber_length(pb, 72);
1336 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1337 mxf_write_uuid(pb, EssenceContainerData, 0);
1339 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1340 mxf_write_umid(s, 1);
1342 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1345 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1351 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1353 const char *material_package_name = NULL;
1354 const char *file_package_name = NULL;
1355 AVDictionaryEntry *entry = NULL;
1356 AVStream *st = NULL;
1359 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1360 material_package_name = entry->value;
1362 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1363 file_package_name = entry->value;
1365 /* check if any of the streams contain a file_package_name */
1366 for (i = 0; i < s->nb_streams; i++) {
1368 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1369 file_package_name = entry->value;
1375 mxf_write_preface(s);
1376 mxf_write_identification(s);
1377 mxf_write_content_storage(s);
1378 mxf_write_package(s, MaterialPackage, material_package_name);
1379 mxf_write_package(s, SourcePackage, file_package_name);
1380 mxf_write_essence_container_data(s);
1384 static unsigned klv_fill_size(uint64_t size)
1386 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1387 if (pad < 20) // smallest fill item possible
1388 return pad + KAG_SIZE;
1390 return pad & (KAG_SIZE-1);
1393 static void mxf_write_index_table_segment(AVFormatContext *s)
1395 MXFContext *mxf = s->priv_data;
1396 AVIOContext *pb = s->pb;
1397 int i, j, temporal_reordering = 0;
1398 int key_index = mxf->last_key_index;
1400 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1402 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1405 avio_write(pb, index_table_segment_key, 16);
1407 if (mxf->edit_unit_byte_count) {
1408 klv_encode_ber_length(pb, 80);
1410 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1411 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1415 mxf_write_local_tag(pb, 16, 0x3C0A);
1416 mxf_write_uuid(pb, IndexTableSegment, 0);
1419 mxf_write_local_tag(pb, 8, 0x3F0B);
1420 avio_wb32(pb, mxf->time_base.den);
1421 avio_wb32(pb, mxf->time_base.num);
1423 // index start position
1424 mxf_write_local_tag(pb, 8, 0x3F0C);
1425 avio_wb64(pb, mxf->last_indexed_edit_unit);
1428 mxf_write_local_tag(pb, 8, 0x3F0D);
1429 if (mxf->edit_unit_byte_count)
1430 avio_wb64(pb, 0); // index table covers whole container
1432 avio_wb64(pb, mxf->edit_units_count);
1434 // edit unit byte count
1435 mxf_write_local_tag(pb, 4, 0x3F05);
1436 avio_wb32(pb, mxf->edit_unit_byte_count);
1439 mxf_write_local_tag(pb, 4, 0x3F06);
1443 mxf_write_local_tag(pb, 4, 0x3F07);
1446 if (!mxf->edit_unit_byte_count) {
1447 // real slice count - 1
1448 mxf_write_local_tag(pb, 1, 0x3F08);
1449 avio_w8(pb, mxf->slice_count);
1451 // delta entry array
1452 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1453 avio_wb32(pb, s->nb_streams+1); // num of entries
1454 avio_wb32(pb, 6); // size of one entry
1455 // write system item delta entry
1457 avio_w8(pb, 0); // slice entry
1458 avio_wb32(pb, 0); // element delta
1459 for (i = 0; i < s->nb_streams; i++) {
1460 AVStream *st = s->streams[i];
1461 MXFStreamContext *sc = st->priv_data;
1462 avio_w8(pb, sc->temporal_reordering);
1463 if (sc->temporal_reordering)
1464 temporal_reordering = 1;
1465 if (i == 0) { // video track
1466 avio_w8(pb, 0); // slice number
1467 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1468 } else { // audio track
1469 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1470 audio_frame_size += klv_fill_size(audio_frame_size);
1472 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1476 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1477 avio_wb32(pb, mxf->edit_units_count); // num of entries
1478 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1480 for (i = 0; i < mxf->edit_units_count; i++) {
1481 int temporal_offset = 0;
1483 if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1484 mxf->last_key_index = key_index;
1488 if (temporal_reordering) {
1489 int pic_num_in_gop = i - key_index;
1490 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1491 for (j = key_index; j < mxf->edit_units_count; j++) {
1492 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1495 if (j == mxf->edit_units_count)
1496 av_log(s, AV_LOG_WARNING, "missing frames\n");
1497 temporal_offset = j - key_index - pic_num_in_gop;
1500 avio_w8(pb, temporal_offset);
1502 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1503 avio_w8(pb, mxf->last_key_index - i);
1505 avio_w8(pb, key_index - i); // key frame offset
1506 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1507 mxf->last_key_index = key_index;
1510 if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1511 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1512 mxf->index_entries[i].flags |= 0x80; // random access
1513 avio_w8(pb, mxf->index_entries[i].flags);
1515 avio_wb64(pb, mxf->index_entries[i].offset);
1516 if (s->nb_streams > 1)
1517 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1520 mxf->last_key_index = key_index - mxf->edit_units_count;
1521 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1522 mxf->edit_units_count = 0;
1526 static void mxf_write_klv_fill(AVFormatContext *s)
1528 unsigned pad = klv_fill_size(avio_tell(s->pb));
1530 avio_write(s->pb, klv_fill_key, 16);
1532 klv_encode_ber4_length(s->pb, pad);
1533 ffio_fill(s->pb, 0, pad);
1534 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1538 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1540 const uint8_t *key, int write_metadata)
1542 MXFContext *mxf = s->priv_data;
1543 AVIOContext *pb = s->pb;
1544 int64_t header_byte_count_offset;
1545 unsigned index_byte_count = 0;
1546 uint64_t partition_offset = avio_tell(pb);
1549 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1550 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1551 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1552 else if (mxf->edit_unit_byte_count && indexsid)
1553 index_byte_count = 80;
1555 if (index_byte_count) {
1556 // add encoded ber length
1557 index_byte_count += 16 + klv_ber_length(index_byte_count);
1558 index_byte_count += klv_fill_size(index_byte_count);
1561 if (key && !memcmp(key, body_partition_key, 16)) {
1562 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1563 sizeof(*mxf->body_partition_offset))) < 0) {
1564 mxf->body_partitions_count = 0;
1567 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1572 avio_write(pb, key, 16);
1574 avio_write(pb, body_partition_key, 16);
1576 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1578 // write partition value
1579 avio_wb16(pb, 1); // majorVersion
1580 avio_wb16(pb, 2); // minorVersion
1581 avio_wb32(pb, KAG_SIZE); // KAGSize
1583 avio_wb64(pb, partition_offset); // ThisPartition
1585 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1586 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1587 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1588 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1592 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1595 header_byte_count_offset = avio_tell(pb);
1596 avio_wb64(pb, 0); // headerByteCount, update later
1599 avio_wb64(pb, index_byte_count); // indexByteCount
1600 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1603 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1604 avio_wb64(pb, mxf->body_offset);
1608 avio_wb32(pb, bodysid); // bodySID
1610 // operational pattern
1611 if (s->oformat == &ff_mxf_opatom_muxer)
1612 avio_write(pb, opatom_ul, 16);
1614 avio_write(pb, op1a_ul, 16);
1616 // essence container
1617 mxf_write_essence_container_refs(s);
1619 if (write_metadata) {
1620 // mark the start of the headermetadata and calculate metadata size
1622 unsigned header_byte_count;
1624 mxf_write_klv_fill(s);
1625 start = avio_tell(s->pb);
1626 mxf_write_primer_pack(s);
1627 mxf_write_header_metadata_sets(s);
1628 pos = avio_tell(s->pb);
1629 header_byte_count = pos - start + klv_fill_size(pos);
1631 // update header_byte_count
1632 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1633 avio_wb64(pb, header_byte_count);
1634 avio_seek(pb, pos, SEEK_SET);
1643 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1646 MXFContext *mxf = s->priv_data;
1647 MXFStreamContext *sc = st->priv_data;
1649 uint8_t* header_cid;
1652 if (mxf->header_written)
1658 header_cid = pkt->data + 0x28;
1659 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1661 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1663 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1664 return AVERROR_INVALIDDATA;
1669 sc->component_depth = 10;
1679 sc->component_depth = 10;
1689 sc->component_depth = 10;
1704 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1705 sc->aspect_ratio = (AVRational){ 16, 9 };
1707 if(s->oformat == &ff_mxf_opatom_muxer){
1708 mxf->edit_unit_byte_count = frame_size;
1712 mxf->edit_unit_byte_count = KAG_SIZE;
1713 for (i = 0; i < s->nb_streams; i++) {
1714 AVStream *st = s->streams[i];
1715 MXFStreamContext *sc = st->priv_data;
1716 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1717 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1718 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1719 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1720 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1721 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1728 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1730 MXFContext *mxf = s->priv_data;
1731 MXFStreamContext *sc = st->priv_data;
1732 uint8_t *vs_pack, *vsc_pack;
1733 int i, ul_index, frame_size, stype, pal;
1735 if (mxf->header_written)
1738 // Check for minimal frame size
1739 if (pkt->size < 120000)
1742 vs_pack = pkt->data + 80*5 + 48;
1743 vsc_pack = pkt->data + 80*5 + 53;
1744 stype = vs_pack[3] & 0x1f;
1745 pal = (vs_pack[3] >> 5) & 0x1;
1747 if ((vs_pack[2] & 0x07) == 0x02)
1748 sc->aspect_ratio = (AVRational){ 16, 9 };
1750 sc->aspect_ratio = (AVRational){ 4, 3 };
1752 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1753 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1754 // and set field dominance accordingly
1755 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1758 case 0x18: // DV100 720p
1760 frame_size = pal ? 288000 : 240000;
1761 if (sc->interlaced) {
1762 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1766 case 0x14: // DV100 1080i
1768 frame_size = pal ? 576000 : 480000;
1772 frame_size = pal ? 288000 : 240000;
1776 frame_size = pal ? 144000 : 120000;
1779 sc->index = ul_index + 16;
1780 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1782 if(s->oformat == &ff_mxf_opatom_muxer) {
1783 mxf->edit_unit_byte_count = frame_size;
1787 mxf->edit_unit_byte_count = KAG_SIZE;
1788 for (i = 0; i < s->nb_streams; i++) {
1789 AVStream *st = s->streams[i];
1790 MXFStreamContext *sc = st->priv_data;
1791 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1792 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1793 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1794 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1795 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1796 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1803 static const struct {
1808 } mxf_h264_codec_uls[] = {
1809 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1810 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1811 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1812 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1813 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1814 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1815 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1816 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1817 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1818 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1819 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1820 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1821 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1822 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1825 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1826 AVPacket *pkt, MXFIndexEntry *e)
1828 MXFContext *mxf = s->priv_data;
1829 MXFStreamContext *sc = st->priv_data;
1830 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1831 const uint8_t *buf = pkt->data;
1832 const uint8_t *buf_end = pkt->data + pkt->size;
1833 uint32_t state = -1;
1834 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1838 if (pkt->size > extra_size)
1839 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1842 buf = avpriv_find_start_code(buf, buf_end, &state);
1846 switch (state & 0x1f) {
1848 st->codec->profile = buf[1];
1852 if (e->flags & 0x40) { // sequence header present
1853 e->flags |= 0x80; // random access
1863 if (mxf->header_written)
1866 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1867 sc->component_depth = 10; // AVC Intra is always 10 Bit
1868 sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1870 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1873 frame_size = pkt->size + extra_size;
1874 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1875 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1876 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1878 } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1879 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1885 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1892 static const UID mxf_mpeg2_codec_uls[] = {
1893 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1894 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1895 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1896 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1897 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1898 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1899 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1900 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1901 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1902 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1905 static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
1907 int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1909 if (avctx->profile == 4) { // Main
1910 if (avctx->level == 8) // Main
1911 return &mxf_mpeg2_codec_uls[0+long_gop];
1912 else if (avctx->level == 4) // High
1913 return &mxf_mpeg2_codec_uls[4+long_gop];
1914 else if (avctx->level == 6) // High 14
1915 return &mxf_mpeg2_codec_uls[8+long_gop];
1916 } else if (avctx->profile == 0) { // 422
1917 if (avctx->level == 5) // Main
1918 return &mxf_mpeg2_codec_uls[2+long_gop];
1919 else if (avctx->level == 2) // High
1920 return &mxf_mpeg2_codec_uls[6+long_gop];
1925 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1926 AVPacket *pkt, MXFIndexEntry *e)
1928 MXFStreamContext *sc = st->priv_data;
1932 for(i = 0; i < pkt->size - 4; i++) {
1933 c = (c<<8) + pkt->data[i];
1935 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1936 st->codec->profile = pkt->data[i+1] & 0x07;
1937 st->codec->level = pkt->data[i+2] >> 4;
1938 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1939 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1941 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1944 } else if (c == 0x1b8) { // gop
1945 if (pkt->data[i+4]>>6 & 0x01) { // closed
1947 if (e->flags & 0x40) // sequence header present
1948 e->flags |= 0x80; // random access
1950 } else if (c == 0x1b3) { // seq
1952 switch ((pkt->data[i+4]>>4) & 0xf) {
1953 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1954 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1955 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1957 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1958 st->codec->width, st->codec->height, 1024*1024);
1960 } else if (c == 0x100) { // pic
1961 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1962 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1963 if (pict_type == 2) { // P frame
1965 sc->closed_gop = 0; // reset closed gop, don't matter anymore
1966 } else if (pict_type == 3) { // B frame
1968 e->flags |= 0x13; // only backward prediction
1971 sc->temporal_reordering = -1;
1972 } else if (!pict_type) {
1973 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1978 if (s->oformat != &ff_mxf_d10_muxer)
1979 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
1980 return !!sc->codec_ul;
1983 static uint64_t mxf_parse_timestamp(time_t timestamp)
1986 struct tm *time = gmtime_r(×tamp, &tmbuf);
1989 return (uint64_t)(time->tm_year+1900) << 48 |
1990 (uint64_t)(time->tm_mon+1) << 40 |
1991 (uint64_t) time->tm_mday << 32 |
1992 time->tm_hour << 24 |
1993 time->tm_min << 16 |
1997 static void mxf_gen_umid(AVFormatContext *s)
1999 MXFContext *mxf = s->priv_data;
2000 uint32_t seed = av_get_random_seed();
2001 uint64_t umid = seed + 0x5294713400000000LL;
2003 AV_WB64(mxf->umid , umid);
2004 AV_WB64(mxf->umid+8, umid>>8);
2006 mxf->instance_number = seed & 0xFFFFFF;
2009 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2011 MXFContext *mxf = s->priv_data;
2012 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2014 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2017 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2019 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2022 static int mxf_write_header(AVFormatContext *s)
2024 MXFContext *mxf = s->priv_data;
2026 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2027 const MXFSamplesPerFrame *spf = NULL;
2028 AVDictionaryEntry *t;
2029 int64_t timestamp = 0;
2034 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2035 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2039 for (i = 0; i < s->nb_streams; i++) {
2040 AVStream *st = s->streams[i];
2041 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2043 return AVERROR(ENOMEM);
2046 if (((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2047 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2051 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2052 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codec->pix_fmt);
2053 // TODO: should be avg_frame_rate
2054 AVRational rate, tbc = st->time_base;
2055 // Default component depth to 8
2056 sc->component_depth = 8;
2057 sc->h_chroma_sub_sample = 2;
2058 sc->color_siting = 0xFF;
2061 sc->component_depth = pix_desc->comp[0].depth_minus1 + 1;
2062 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2064 switch (ff_choose_chroma_location(s, st)) {
2065 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2066 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2067 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2068 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2071 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2072 spf = ff_mxf_get_samples_per_frame(s, tbc);
2074 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2076 return AVERROR(EINVAL);
2078 mxf->time_base = spf->time_base;
2079 rate = av_inv_q(mxf->time_base);
2080 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2081 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2084 sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
2085 if (s->oformat == &ff_mxf_d10_muxer) {
2086 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2088 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2090 } else if (sc->video_bit_rate == 40000000) {
2091 if (mxf->time_base.den == 25) sc->index = 7;
2093 } else if (sc->video_bit_rate == 30000000) {
2094 if (mxf->time_base.den == 25) sc->index = 11;
2095 else sc->index = 13;
2097 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2101 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2102 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2103 mxf->time_base.num / (8*mxf->time_base.den);
2104 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2105 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2106 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2108 sc->signal_standard = 1;
2110 if (mxf->signal_standard >= 0)
2111 sc->signal_standard = mxf->signal_standard;
2112 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2113 if (st->codec->sample_rate != 48000) {
2114 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2117 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
2118 if (s->oformat == &ff_mxf_d10_muxer) {
2119 if (st->index != 1) {
2120 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2123 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2124 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2125 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2127 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2128 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2129 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2131 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2132 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2133 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2134 return AVERROR_PATCHWELCOME;
2136 if (st->codec->channels != 1) {
2137 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2138 return AVERROR(EINVAL);
2141 spf = ff_mxf_get_samples_per_frame(s, tbc);
2143 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2144 return AVERROR(EINVAL);
2147 mxf->time_base = st->time_base;
2148 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2151 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2152 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
2155 mxf->slice_count = 1;
2160 sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
2161 if (sc->index == -1) {
2162 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2163 "codec not currently supported in container\n", i);
2168 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2170 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2171 sc->track_essence_element_key[15] = present[sc->index];
2172 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2174 if (!present[sc->index])
2175 mxf->essence_container_count++;
2176 present[sc->index]++;
2179 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2180 mxf->essence_container_count = 1;
2183 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2186 for (i = 0; i < s->nb_streams; i++) {
2187 MXFStreamContext *sc = s->streams[i]->priv_data;
2188 // update element count
2189 sc->track_essence_element_key[13] = present[sc->index];
2190 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2191 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2193 sc->order = AV_RB32(sc->track_essence_element_key+12);
2196 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2197 timestamp = ff_iso8601_to_unix_time(t->value);
2199 mxf->timestamp = mxf_parse_timestamp(timestamp);
2202 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2203 if (!mxf->timecode_track)
2204 return AVERROR(ENOMEM);
2205 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2206 if (!mxf->timecode_track->priv_data)
2207 return AVERROR(ENOMEM);
2208 mxf->timecode_track->index = -1;
2211 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2213 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2219 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2220 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 };
2222 static void mxf_write_system_item(AVFormatContext *s)
2224 MXFContext *mxf = s->priv_data;
2225 AVIOContext *pb = s->pb;
2229 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2231 // write system metadata pack
2232 avio_write(pb, system_metadata_pack_key, 16);
2233 klv_encode_ber4_length(pb, 57);
2234 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2235 avio_w8(pb, 0x04); // content package rate
2236 avio_w8(pb, 0x00); // content package type
2237 avio_wb16(pb, 0x00); // channel handle
2238 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2239 if (mxf->essence_container_count > 1)
2240 avio_write(pb, multiple_desc_ul, 16);
2242 MXFStreamContext *sc = s->streams[0]->priv_data;
2243 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2247 avio_wb64(pb, 0); // creation date/time stamp
2249 avio_w8(pb, 0x81); // SMPTE 12M time code
2250 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2251 avio_wb32(pb, time_code);
2252 avio_wb32(pb, 0); // binary group data
2255 // write system metadata package set
2256 avio_write(pb, system_metadata_package_set_key, 16);
2257 klv_encode_ber4_length(pb, 35);
2258 avio_w8(pb, 0x83); // UMID
2259 avio_wb16(pb, 0x20);
2260 mxf_write_umid(s, 1);
2263 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2265 MXFContext *mxf = s->priv_data;
2266 AVIOContext *pb = s->pb;
2267 MXFStreamContext *sc = st->priv_data;
2268 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2269 (8*mxf->time_base.den); // frame size
2272 packet_size += 16 + 4;
2273 packet_size += klv_fill_size(packet_size);
2275 klv_encode_ber4_length(pb, pkt->size);
2276 avio_write(pb, pkt->data, pkt->size);
2278 // ensure CBR muxing by padding to correct video frame size
2279 pad = packet_size - pkt->size - 16 - 4;
2281 avio_write(s->pb, klv_fill_key, 16);
2283 klv_encode_ber4_length(s->pb, pad);
2284 ffio_fill(s->pb, 0, pad);
2285 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2287 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2288 ffio_fill(s->pb, 0, pad);
2292 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2294 MXFContext *mxf = s->priv_data;
2295 AVIOContext *pb = s->pb;
2296 int frame_size = pkt->size / st->codec->block_align;
2297 uint8_t *samples = pkt->data;
2298 uint8_t *end = pkt->data + pkt->size;
2301 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2303 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2304 avio_wl16(pb, frame_size);
2305 avio_w8(pb, (1<<st->codec->channels)-1);
2307 while (samples < end) {
2308 for (i = 0; i < st->codec->channels; i++) {
2310 if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2311 sample = AV_RL24(samples)<< 4;
2314 sample = AV_RL16(samples)<<12;
2317 avio_wl32(pb, sample | i);
2324 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2326 MXFContext *mxf = s->priv_data;
2327 AVIOContext *pb = s->pb;
2328 AVStream *st = s->streams[0];
2329 MXFStreamContext *sc = st->priv_data;
2330 const uint8_t *key = NULL;
2334 if (!mxf->header_written)
2335 key = body_partition_key;
2337 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2339 mxf_write_klv_fill(s);
2340 avio_write(pb, sc->track_essence_element_key, 16);
2341 klv_encode_ber9_length(pb, mxf->body_offset);
2345 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2347 MXFContext *mxf = s->priv_data;
2348 AVIOContext *pb = s->pb;
2352 if (!mxf->header_written) {
2353 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2355 mxf_write_klv_fill(s);
2357 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2359 mxf->header_written = 1;
2362 if (!mxf->edit_unit_byte_count) {
2363 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2364 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2365 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2367 mxf->edit_units_count++;
2368 avio_write(pb, pkt->data, pkt->size);
2369 mxf->body_offset += pkt->size;
2375 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2377 MXFContext *mxf = s->priv_data;
2378 AVIOContext *pb = s->pb;
2379 AVStream *st = s->streams[pkt->stream_index];
2380 MXFStreamContext *sc = st->priv_data;
2381 MXFIndexEntry ie = {0};
2384 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2385 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2386 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2387 mxf->edit_units_count = 0;
2388 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2393 if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2394 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2395 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2398 } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2399 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2400 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2403 } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2404 if (!mxf_parse_dv_frame(s, st, pkt)) {
2405 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2408 } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2409 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2410 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2415 if (s->oformat == &ff_mxf_opatom_muxer)
2416 return mxf_write_opatom_packet(s, pkt, &ie);
2418 if (!mxf->header_written) {
2419 if (mxf->edit_unit_byte_count) {
2420 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2422 mxf_write_klv_fill(s);
2423 mxf_write_index_table_segment(s);
2425 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2428 mxf->header_written = 1;
2431 if (st->index == 0) {
2432 if (!mxf->edit_unit_byte_count &&
2433 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2434 !(ie.flags & 0x33)) { // I frame, Gop start
2435 mxf_write_klv_fill(s);
2436 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2438 mxf_write_klv_fill(s);
2439 mxf_write_index_table_segment(s);
2442 mxf_write_klv_fill(s);
2443 mxf_write_system_item(s);
2445 if (!mxf->edit_unit_byte_count) {
2446 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2447 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2448 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2449 mxf->body_offset += KAG_SIZE; // size of system element
2451 mxf->edit_units_count++;
2452 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2453 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2454 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2457 mxf_write_klv_fill(s);
2458 avio_write(pb, sc->track_essence_element_key, 16); // write key
2459 if (s->oformat == &ff_mxf_d10_muxer) {
2460 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2461 mxf_write_d10_video_packet(s, st, pkt);
2463 mxf_write_d10_audio_packet(s, st, pkt);
2465 klv_encode_ber4_length(pb, pkt->size); // write length
2466 avio_write(pb, pkt->data, pkt->size);
2467 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2475 static void mxf_write_random_index_pack(AVFormatContext *s)
2477 MXFContext *mxf = s->priv_data;
2478 AVIOContext *pb = s->pb;
2479 uint64_t pos = avio_tell(pb);
2482 avio_write(pb, random_index_pack_key, 16);
2483 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2485 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2486 avio_wb32(pb, 1); // BodySID of header partition
2489 avio_wb64(pb, 0); // offset of header partition
2491 for (i = 0; i < mxf->body_partitions_count; i++) {
2492 avio_wb32(pb, 1); // BodySID
2493 avio_wb64(pb, mxf->body_partition_offset[i]);
2496 avio_wb32(pb, 0); // BodySID of footer partition
2497 avio_wb64(pb, mxf->footer_partition_offset);
2499 avio_wb32(pb, avio_tell(pb) - pos + 4);
2502 static int mxf_write_footer(AVFormatContext *s)
2504 MXFContext *mxf = s->priv_data;
2505 AVIOContext *pb = s->pb;
2508 if (!mxf->header_written ||
2509 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2510 /* reason could be invalid options/not supported codec/out of memory */
2511 err = AVERROR_UNKNOWN;
2515 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2517 mxf_write_klv_fill(s);
2518 mxf->footer_partition_offset = avio_tell(pb);
2519 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2520 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2523 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2525 mxf_write_klv_fill(s);
2526 mxf_write_index_table_segment(s);
2529 mxf_write_klv_fill(s);
2530 mxf_write_random_index_pack(s);
2532 if (s->pb->seekable) {
2533 if (s->oformat == &ff_mxf_opatom_muxer){
2534 /* rewrite body partition to update lengths */
2535 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2536 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2540 avio_seek(pb, 0, SEEK_SET);
2541 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2542 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2544 mxf_write_klv_fill(s);
2545 mxf_write_index_table_segment(s);
2547 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2553 ff_audio_interleave_close(s);
2555 av_freep(&mxf->index_entries);
2556 av_freep(&mxf->body_partition_offset);
2557 av_freep(&mxf->timecode_track->priv_data);
2558 av_freep(&mxf->timecode_track);
2562 return err < 0 ? err : 0;
2565 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2567 int i, stream_count = 0;
2569 for (i = 0; i < s->nb_streams; i++)
2570 stream_count += !!s->streams[i]->last_in_packet_buffer;
2572 if (stream_count && (s->nb_streams == stream_count || flush)) {
2573 AVPacketList *pktl = s->internal->packet_buffer;
2574 if (s->nb_streams != stream_count) {
2575 AVPacketList *last = NULL;
2576 // find last packet in edit unit
2578 if (!stream_count || pktl->pkt.stream_index == 0)
2584 // purge packet queue
2586 AVPacketList *next = pktl->next;
2588 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2589 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2590 av_free_packet(&pktl->pkt);
2597 s->internal->packet_buffer = NULL;
2598 s->internal->packet_buffer_end= NULL;
2601 pktl = s->internal->packet_buffer;
2605 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2606 s->internal->packet_buffer = pktl->next;
2607 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2608 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2609 if(!s->internal->packet_buffer)
2610 s->internal->packet_buffer_end= NULL;
2615 av_init_packet(out);
2620 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2622 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2623 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2625 return next->dts > pkt->dts ||
2626 (next->dts == pkt->dts && sc->order < sc2->order);
2629 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2631 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2632 mxf_interleave_get_packet, mxf_compare_timestamps);
2635 #define MXF_COMMON_OPTIONS \
2636 { "signal_standard", "Force/set Sigal Standard",\
2637 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2638 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2639 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2640 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2641 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2642 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2643 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2644 { "smpte274m", "SMPTE 274M (1125 line)",\
2645 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2646 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2647 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2648 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2649 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2650 { "smpte428", "SMPTE 428-1 DCDM",\
2651 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2655 static const AVOption mxf_options[] = {
2660 static const AVClass mxf_muxer_class = {
2661 .class_name = "MXF muxer",
2662 .item_name = av_default_item_name,
2663 .option = mxf_options,
2664 .version = LIBAVUTIL_VERSION_INT,
2667 static const AVOption d10_options[] = {
2668 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2669 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2674 static const AVClass mxf_d10_muxer_class = {
2675 .class_name = "MXF-D10 muxer",
2676 .item_name = av_default_item_name,
2677 .option = d10_options,
2678 .version = LIBAVUTIL_VERSION_INT,
2681 static const AVOption opatom_options[] = {
2682 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2683 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2688 static const AVClass mxf_opatom_muxer_class = {
2689 .class_name = "MXF-OPAtom muxer",
2690 .item_name = av_default_item_name,
2691 .option = opatom_options,
2692 .version = LIBAVUTIL_VERSION_INT,
2695 AVOutputFormat ff_mxf_muxer = {
2697 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2698 .mime_type = "application/mxf",
2699 .extensions = "mxf",
2700 .priv_data_size = sizeof(MXFContext),
2701 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2702 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2703 .write_header = mxf_write_header,
2704 .write_packet = mxf_write_packet,
2705 .write_trailer = mxf_write_footer,
2706 .flags = AVFMT_NOTIMESTAMPS,
2707 .interleave_packet = mxf_interleave,
2708 .priv_class = &mxf_muxer_class,
2711 AVOutputFormat ff_mxf_d10_muxer = {
2713 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2714 .mime_type = "application/mxf",
2715 .priv_data_size = sizeof(MXFContext),
2716 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2717 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2718 .write_header = mxf_write_header,
2719 .write_packet = mxf_write_packet,
2720 .write_trailer = mxf_write_footer,
2721 .flags = AVFMT_NOTIMESTAMPS,
2722 .interleave_packet = mxf_interleave,
2723 .priv_class = &mxf_d10_muxer_class,
2726 AVOutputFormat ff_mxf_opatom_muxer = {
2727 .name = "mxf_opatom",
2728 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2729 .mime_type = "application/mxf",
2730 .extensions = "mxf",
2731 .priv_data_size = sizeof(MXFContext),
2732 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2733 .video_codec = AV_CODEC_ID_DNXHD,
2734 .write_header = mxf_write_header,
2735 .write_packet = mxf_write_packet,
2736 .write_trailer = mxf_write_footer,
2737 .flags = AVFMT_NOTIMESTAMPS,
2738 .interleave_packet = mxf_interleave,
2739 .priv_class = &mxf_opatom_muxer_class,