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
24 * signal_standard, color_siting, store_user_comments and klv_fill_key version
25 * fixes sponsored by NOA GmbH
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE RP210: SMPTE Metadata Dictionary
36 * SMPTE RP224: Registry of SMPTE Universal Labels
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/time_internal.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/h264.h"
52 #include "libavcodec/internal.h"
53 #include "audiointerleave.h"
55 #include "avio_internal.h"
60 extern AVOutputFormat ff_mxf_d10_muxer;
61 extern AVOutputFormat ff_mxf_opatom_muxer;
63 #define EDIT_UNITS_PER_BODY 250
66 typedef struct MXFLocalTagPair {
71 typedef struct MXFIndexEntry {
74 unsigned slice_offset; ///< offset of audio slice
75 uint16_t temporal_ref;
78 typedef struct MXFStreamContext {
79 AudioInterleaveContext aic;
80 UID track_essence_element_key;
81 int index; ///< index in mxf_essence_container_uls table
83 int order; ///< interleaving order if dts are equal
84 int interlaced; ///< whether picture is interlaced
85 int field_dominance; ///< tff=1, bff=2
89 int h_chroma_sub_sample;
90 int temporal_reordering;
91 AVRational aspect_ratio; ///< display aspect ratio
92 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
96 typedef struct MXFContainerEssenceEntry {
100 void (*write_desc)(AVFormatContext *, AVStream *);
101 } MXFContainerEssenceEntry;
103 static const struct {
106 } mxf_essence_mappings[] = {
107 { AV_CODEC_ID_MPEG2VIDEO, 0 },
108 { AV_CODEC_ID_PCM_S24LE, 1 },
109 { AV_CODEC_ID_PCM_S16LE, 1 },
110 { AV_CODEC_ID_DVVIDEO, 15 },
111 { AV_CODEC_ID_DNXHD, 24 },
112 { AV_CODEC_ID_JPEG2000, 34 },
113 { AV_CODEC_ID_H264, 35 },
117 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
118 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
119 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
120 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
121 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
123 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
124 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
125 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
126 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
127 mxf_write_mpegvideo_desc },
128 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
129 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
130 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
131 mxf_write_aes3_desc },
132 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
133 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
134 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
135 mxf_write_wav_desc },
136 // D-10 625/50 PAL 50mb/s
137 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
138 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
139 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
140 mxf_write_cdci_desc },
141 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
142 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
143 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
144 mxf_write_generic_sound_desc },
145 // D-10 525/60 NTSC 50mb/s
146 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
147 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
148 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
149 mxf_write_cdci_desc },
150 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
151 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
152 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
153 mxf_write_generic_sound_desc },
154 // D-10 625/50 PAL 40mb/s
155 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
156 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
157 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
158 mxf_write_cdci_desc },
159 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
160 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
161 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
162 mxf_write_generic_sound_desc },
163 // D-10 525/60 NTSC 40mb/s
164 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
165 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
166 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
167 mxf_write_cdci_desc },
168 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
169 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
170 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
171 mxf_write_generic_sound_desc },
172 // D-10 625/50 PAL 30mb/s
173 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
174 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
175 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
176 mxf_write_cdci_desc },
177 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
178 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
179 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
180 mxf_write_generic_sound_desc },
181 // D-10 525/60 NTSC 30mb/s
182 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
183 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
185 mxf_write_cdci_desc },
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
189 mxf_write_generic_sound_desc },
191 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
192 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
193 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
194 mxf_write_cdci_desc },
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
199 mxf_write_cdci_desc },
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
204 mxf_write_cdci_desc },
206 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
207 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
209 mxf_write_cdci_desc },
211 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
212 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
213 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
214 mxf_write_cdci_desc },
216 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
217 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
219 mxf_write_cdci_desc },
221 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
222 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
224 mxf_write_cdci_desc },
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
229 mxf_write_cdci_desc },
231 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
232 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
233 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
234 mxf_write_cdci_desc },
235 // DNxHD 1080p 10bit high
236 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
238 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
239 mxf_write_cdci_desc },
240 // DNxHD 1080p 8bit medium
241 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
242 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
243 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
244 mxf_write_cdci_desc },
245 // DNxHD 1080p 8bit high
246 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
247 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
248 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
249 mxf_write_cdci_desc },
250 // DNxHD 1080i 10bit high
251 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
252 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
253 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
254 mxf_write_cdci_desc },
255 // DNxHD 1080i 8bit medium
256 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
257 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
258 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
259 mxf_write_cdci_desc },
260 // DNxHD 1080i 8bit high
261 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
262 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
263 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
264 mxf_write_cdci_desc },
266 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
267 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
268 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
269 mxf_write_cdci_desc },
270 // DNxHD 720p 8bit high
271 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
272 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
273 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
274 mxf_write_cdci_desc },
275 // DNxHD 720p 8bit medium
276 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
277 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
278 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
279 mxf_write_cdci_desc },
280 // DNxHD 720p 8bit low
281 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
282 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
283 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
284 mxf_write_cdci_desc },
286 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
287 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
288 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
289 mxf_write_cdci_desc },
291 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
292 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
294 mxf_write_mpegvideo_desc },
295 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
296 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
297 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
301 typedef struct MXFContext {
303 int64_t footer_partition_offset;
304 int essence_container_count;
305 AVRational time_base;
307 MXFIndexEntry *index_entries;
308 unsigned edit_units_count;
309 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
310 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
311 int last_indexed_edit_unit;
312 uint64_t *body_partition_offset;
313 unsigned body_partitions_count;
314 int last_key_index; ///< index of last key frame
316 AVTimecode tc; ///< timecode context
317 AVStream *timecode_track;
318 int timecode_base; ///< rounded time code base (25 or 30)
319 int edit_unit_byte_count; ///< fixed edit unit byte count
320 uint64_t body_offset;
321 uint32_t instance_number;
322 uint8_t umid[16]; ///< unique material identifier
325 uint32_t tagged_value_count;
326 AVRational audio_edit_rate;
327 int store_user_comments;
330 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
331 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
334 * complete key for operation pattern, partitions, and primer pack
336 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
337 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
338 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
339 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
340 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
341 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
342 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
343 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
344 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
345 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
348 * partial key for header metadata
350 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
351 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
354 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
355 * https://smpte-ra.org/sites/default/files/Labels.xml
357 static const MXFLocalTagPair mxf_local_tag_batch[] = {
359 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
360 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
361 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
362 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
363 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
364 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
365 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
366 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
368 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
369 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
370 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
371 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
372 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
373 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
375 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
376 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
377 // Essence Container Data
378 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
379 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
381 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
382 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
383 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
384 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
385 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
386 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
388 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
389 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
390 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
391 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
392 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
394 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
395 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
396 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
398 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
399 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
400 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
401 // Timecode Component
402 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
403 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
404 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
406 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
407 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
408 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
409 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
410 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
411 // Generic Picture Essence Descriptor
412 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
413 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
414 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
415 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
416 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
417 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
418 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
419 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
420 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
421 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
422 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
423 // CDCI Picture Essence Descriptor
424 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
425 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
426 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
427 // Generic Sound Essence Descriptor
428 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
429 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
430 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
431 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
432 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
433 // Index Table Segment
434 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
435 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
436 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
437 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
438 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
439 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
440 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
441 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
442 // MPEG video Descriptor
443 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
444 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
445 // Wave Audio Essence Descriptor
446 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
447 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
450 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
451 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
452 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
453 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
456 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
458 avio_write(pb, uuid_base, 12);
460 avio_wb16(pb, value);
463 static void mxf_write_umid(AVFormatContext *s, int type)
465 MXFContext *mxf = s->priv_data;
466 avio_write(s->pb, umid_ul, 13);
467 avio_wb24(s->pb, mxf->instance_number);
468 avio_write(s->pb, mxf->umid, 15);
469 avio_w8(s->pb, type);
472 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
474 avio_wb32(pb, ref_count);
478 static int klv_ber_length(uint64_t len)
483 return (av_log2(len) >> 3) + 2;
486 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
488 // Determine the best BER size
496 size = (av_log2(len) >> 3) + 1;
499 avio_w8(pb, 0x80 + size);
502 avio_w8(pb, len >> 8 * size & 0xff);
507 static void klv_encode_ber4_length(AVIOContext *pb, int len)
509 avio_w8(pb, 0x80 + 3);
513 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
515 avio_w8(pb, 0x80 + 8);
520 * Get essence container ul index
522 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
525 for (i = 0; mxf_essence_mappings[i].id; i++)
526 if (mxf_essence_mappings[i].id == id)
527 return mxf_essence_mappings[i].index;
531 static void mxf_write_primer_pack(AVFormatContext *s)
533 MXFContext *mxf = s->priv_data;
534 AVIOContext *pb = s->pb;
535 int local_tag_number, i = 0;
537 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
538 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
540 avio_write(pb, primer_pack_key, 16);
541 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
543 avio_wb32(pb, local_tag_number); // local_tag num
544 avio_wb32(pb, 18); // item size, always 18 according to the specs
546 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
547 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
548 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
550 if (mxf->store_user_comments)
551 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
552 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
553 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
557 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
563 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
565 avio_write(pb, header_metadata_key, 13);
566 avio_wb24(pb, value);
569 static void mxf_free(AVFormatContext *s)
573 for (i = 0; i < s->nb_streams; i++) {
574 AVStream *st = s->streams[i];
575 av_freep(&st->priv_data);
579 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
581 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
582 while (uls->uid[0]) {
590 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
591 #define DESCRIPTOR_COUNT(essence_container_count) \
592 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
594 static void mxf_write_essence_container_refs(AVFormatContext *s)
596 MXFContext *c = s->priv_data;
597 AVIOContext *pb = s->pb;
600 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
601 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
602 for (i = 0; i < c->essence_container_count; i++) {
603 MXFStreamContext *sc = s->streams[i]->priv_data;
604 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
607 if (c->essence_container_count > 1)
608 avio_write(pb, multiple_desc_ul, 16);
611 static void mxf_write_preface(AVFormatContext *s)
613 MXFContext *mxf = s->priv_data;
614 AVIOContext *pb = s->pb;
616 mxf_write_metadata_key(pb, 0x012f00);
617 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
618 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
620 // write preface set uid
621 mxf_write_local_tag(pb, 16, 0x3C0A);
622 mxf_write_uuid(pb, Preface, 0);
623 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
625 // last modified date
626 mxf_write_local_tag(pb, 8, 0x3B02);
627 avio_wb64(pb, mxf->timestamp);
630 mxf_write_local_tag(pb, 2, 0x3B05);
631 avio_wb16(pb, 258); // v1.2
633 // write identification_refs
634 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
635 mxf_write_refs_count(pb, 1);
636 mxf_write_uuid(pb, Identification, 0);
638 // write content_storage_refs
639 mxf_write_local_tag(pb, 16, 0x3B03);
640 mxf_write_uuid(pb, ContentStorage, 0);
642 // operational pattern
643 mxf_write_local_tag(pb, 16, 0x3B09);
644 if (s->oformat == &ff_mxf_opatom_muxer)
645 avio_write(pb, opatom_ul, 16);
647 avio_write(pb, op1a_ul, 16);
649 // write essence_container_refs
650 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
651 mxf_write_essence_container_refs(s);
653 // write dm_scheme_refs
654 mxf_write_local_tag(pb, 8, 0x3B0B);
659 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
660 * from decoding the utf-8 string.
662 static uint64_t mxf_utf16len(const char *utf8_str)
664 const uint8_t *q = utf8_str;
668 GET_UTF8(ch, *q++, goto invalid;)
675 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
682 * Returns the calculated length a local tag containing an utf-8 string as utf-16
684 static int mxf_utf16_local_tag_length(const char *utf8_str)
691 size = mxf_utf16len(utf8_str);
692 if (size >= UINT16_MAX/2) {
693 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
701 * Write a local tag containing an utf-8 string as utf-16
703 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
705 uint64_t size = mxf_utf16len(value);
707 if (size >= UINT16_MAX/2) {
708 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
712 mxf_write_local_tag(pb, size*2, tag);
713 avio_put_str16be(pb, value);
716 static void mxf_write_identification(AVFormatContext *s)
718 MXFContext *mxf = s->priv_data;
719 AVIOContext *pb = s->pb;
720 const char *company = "FFmpeg";
721 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
725 mxf_write_metadata_key(pb, 0x013000);
726 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
728 version = s->flags & AVFMT_FLAG_BITEXACT ?
729 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
730 length = 72 + mxf_utf16_local_tag_length(company) +
731 mxf_utf16_local_tag_length(product) +
732 mxf_utf16_local_tag_length(version);
733 klv_encode_ber_length(pb, length);
736 mxf_write_local_tag(pb, 16, 0x3C0A);
737 mxf_write_uuid(pb, Identification, 0);
738 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
740 // write generation uid
741 mxf_write_local_tag(pb, 16, 0x3C09);
742 mxf_write_uuid(pb, Identification, 1);
743 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
744 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
745 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
748 mxf_write_local_tag(pb, 16, 0x3C05);
749 mxf_write_uuid(pb, Identification, 2);
752 mxf_write_local_tag(pb, 8, 0x3C06);
753 avio_wb64(pb, mxf->timestamp);
756 static void mxf_write_content_storage(AVFormatContext *s)
758 AVIOContext *pb = s->pb;
760 mxf_write_metadata_key(pb, 0x011800);
761 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
762 klv_encode_ber_length(pb, 92);
765 mxf_write_local_tag(pb, 16, 0x3C0A);
766 mxf_write_uuid(pb, ContentStorage, 0);
767 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
769 // write package reference
770 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
771 mxf_write_refs_count(pb, 2);
772 mxf_write_uuid(pb, MaterialPackage, 0);
773 mxf_write_uuid(pb, SourcePackage, 0);
775 // write essence container data
776 mxf_write_local_tag(pb, 8 + 16, 0x1902);
777 mxf_write_refs_count(pb, 1);
778 mxf_write_uuid(pb, EssenceContainerData, 0);
781 static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
783 MXFContext *mxf = s->priv_data;
784 AVIOContext *pb = s->pb;
785 MXFStreamContext *sc = st->priv_data;
787 mxf_write_metadata_key(pb, 0x013b00);
788 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
789 klv_encode_ber_length(pb, 80);
792 mxf_write_local_tag(pb, 16, 0x3C0A);
793 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
794 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
797 mxf_write_local_tag(pb, 4, 0x4801);
798 avio_wb32(pb, st->index+2);
800 // write track number
801 mxf_write_local_tag(pb, 4, 0x4804);
802 if (type == MaterialPackage)
803 avio_wb32(pb, 0); // track number of material package is 0
805 avio_write(pb, sc->track_essence_element_key + 12, 4);
807 mxf_write_local_tag(pb, 8, 0x4B01);
809 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
810 avio_wb32(pb, mxf->tc.rate.num);
811 avio_wb32(pb, mxf->tc.rate.den);
813 avio_wb32(pb, mxf->time_base.den);
814 avio_wb32(pb, mxf->time_base.num);
818 mxf_write_local_tag(pb, 8, 0x4B02);
821 // write sequence refs
822 mxf_write_local_tag(pb, 16, 0x4803);
823 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
826 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 };
828 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
830 MXFContext *mxf = s->priv_data;
831 AVIOContext *pb = s->pb;
833 // find data define uls
834 mxf_write_local_tag(pb, 16, 0x0201);
835 if (st == mxf->timecode_track)
836 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
838 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
839 avio_write(pb, data_def_ul->uid, 16);
843 mxf_write_local_tag(pb, 8, 0x0202);
845 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO){
846 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
848 avio_wb64(pb, mxf->duration);
852 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
854 MXFContext *mxf = s->priv_data;
855 AVIOContext *pb = s->pb;
856 enum MXFMetadataSetType component;
858 mxf_write_metadata_key(pb, 0x010f00);
859 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
860 klv_encode_ber_length(pb, 80);
862 mxf_write_local_tag(pb, 16, 0x3C0A);
863 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
865 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
866 mxf_write_common_fields(s, st);
868 // write structural component
869 mxf_write_local_tag(pb, 16 + 8, 0x1001);
870 mxf_write_refs_count(pb, 1);
871 if (st == mxf->timecode_track)
872 component = TimecodeComponent;
874 component = SourceClip;
875 if (type == SourcePackage)
876 component += TypeBottom;
877 mxf_write_uuid(pb, component, st->index);
880 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
882 MXFContext *mxf = s->priv_data;
883 AVIOContext *pb = s->pb;
885 mxf_write_metadata_key(pb, 0x011400);
886 klv_encode_ber_length(pb, 75);
889 mxf_write_local_tag(pb, 16, 0x3C0A);
890 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
891 TimecodeComponent + TypeBottom, st->index);
893 mxf_write_common_fields(s, st);
896 mxf_write_local_tag(pb, 8, 0x1501);
897 avio_wb64(pb, mxf->tc.start);
899 // Rounded Time Code Base
900 mxf_write_local_tag(pb, 2, 0x1502);
901 avio_wb16(pb, mxf->timecode_base);
904 mxf_write_local_tag(pb, 1, 0x1503);
905 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
908 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
910 AVIOContext *pb = s->pb;
913 mxf_write_metadata_key(pb, 0x011100);
914 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
915 klv_encode_ber_length(pb, 108);
918 mxf_write_local_tag(pb, 16, 0x3C0A);
919 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
921 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
922 mxf_write_common_fields(s, st);
924 // write start_position
925 mxf_write_local_tag(pb, 8, 0x1201);
928 // write source package uid, end of the reference
929 mxf_write_local_tag(pb, 32, 0x1101);
930 if (type == SourcePackage) {
931 for (i = 0; i < 4; i++)
934 mxf_write_umid(s, 1);
936 // write source track id
937 mxf_write_local_tag(pb, 4, 0x1102);
938 if (type == SourcePackage)
941 avio_wb32(pb, st->index+2);
944 static void mxf_write_multi_descriptor(AVFormatContext *s)
946 MXFContext *mxf = s->priv_data;
947 AVIOContext *pb = s->pb;
951 mxf_write_metadata_key(pb, 0x014400);
952 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
953 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
955 mxf_write_local_tag(pb, 16, 0x3C0A);
956 mxf_write_uuid(pb, MultipleDescriptor, 0);
957 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
960 mxf_write_local_tag(pb, 8, 0x3001);
961 avio_wb32(pb, mxf->time_base.den);
962 avio_wb32(pb, mxf->time_base.num);
964 // write essence container ul
965 mxf_write_local_tag(pb, 16, 0x3004);
966 if (mxf->essence_container_count > 1)
967 ul = multiple_desc_ul;
969 MXFStreamContext *sc = s->streams[0]->priv_data;
970 ul = mxf_essence_container_uls[sc->index].container_ul;
972 avio_write(pb, ul, 16);
974 // write sub descriptor refs
975 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
976 mxf_write_refs_count(pb, s->nb_streams);
977 for (i = 0; i < s->nb_streams; i++)
978 mxf_write_uuid(pb, SubDescriptor, i);
981 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
983 MXFContext *mxf = s->priv_data;
984 MXFStreamContext *sc = st->priv_data;
985 AVIOContext *pb = s->pb;
987 avio_write(pb, key, 16);
988 klv_encode_ber4_length(pb, size+20+8+12+20);
990 mxf_write_local_tag(pb, 16, 0x3C0A);
991 mxf_write_uuid(pb, SubDescriptor, st->index);
993 mxf_write_local_tag(pb, 4, 0x3006);
994 avio_wb32(pb, st->index+2);
996 mxf_write_local_tag(pb, 8, 0x3001);
997 avio_wb32(pb, mxf->time_base.den);
998 avio_wb32(pb, mxf->time_base.num);
1000 mxf_write_local_tag(pb, 16, 0x3004);
1001 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1004 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1005 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1006 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1007 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1008 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1010 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1012 MXFStreamContext *sc = st->priv_data;
1013 AVIOContext *pb = s->pb;
1014 int stored_height = (st->codecpar->height+15)/16*16;
1017 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5;
1018 if (sc->interlaced && sc->field_dominance)
1020 if (sc->signal_standard)
1023 mxf_write_generic_desc(s, st, key, desc_size);
1025 mxf_write_local_tag(pb, 4, 0x3203);
1026 avio_wb32(pb, st->codecpar->width);
1028 mxf_write_local_tag(pb, 4, 0x3202);
1029 avio_wb32(pb, stored_height>>sc->interlaced);
1031 mxf_write_local_tag(pb, 4, 0x3209);
1032 avio_wb32(pb, st->codecpar->width);
1034 if (st->codecpar->height == 608) // PAL + VBI
1035 display_height = 576;
1036 else if (st->codecpar->height == 512) // NTSC + VBI
1037 display_height = 486;
1039 display_height = st->codecpar->height;
1041 mxf_write_local_tag(pb, 4, 0x3208);
1042 avio_wb32(pb, display_height>>sc->interlaced);
1044 // presentation Y offset
1045 mxf_write_local_tag(pb, 4, 0x320B);
1046 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1049 mxf_write_local_tag(pb, 4, 0x3301);
1050 avio_wb32(pb, sc->component_depth);
1052 // horizontal subsampling
1053 mxf_write_local_tag(pb, 4, 0x3302);
1054 avio_wb32(pb, sc->h_chroma_sub_sample);
1057 mxf_write_local_tag(pb, 1, 0x3303);
1058 avio_w8(pb, sc->color_siting);
1060 if (sc->signal_standard) {
1061 mxf_write_local_tag(pb, 1, 0x3215);
1062 avio_w8(pb, sc->signal_standard);
1066 mxf_write_local_tag(pb, 1, 0x320C);
1067 avio_w8(pb, sc->interlaced);
1070 switch (st->codecpar->height) {
1071 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1072 case 608: f1 = 7; f2 = 320; break;
1073 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1074 case 512: f1 = 7; f2 = 270; break;
1075 case 720: f1 = 26; f2 = 0; break; // progressive
1076 case 1080: f1 = 21; f2 = 584; break;
1077 default: f1 = 0; f2 = 0; break;
1080 if (!sc->interlaced) {
1086 mxf_write_local_tag(pb, 16, 0x320D);
1092 mxf_write_local_tag(pb, 8, 0x320E);
1093 avio_wb32(pb, sc->aspect_ratio.num);
1094 avio_wb32(pb, sc->aspect_ratio.den);
1096 mxf_write_local_tag(pb, 16, 0x3201);
1097 avio_write(pb, *sc->codec_ul, 16);
1099 if (sc->interlaced && sc->field_dominance) {
1100 mxf_write_local_tag(pb, 1, 0x3212);
1101 avio_w8(pb, sc->field_dominance);
1106 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1108 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1111 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1113 AVIOContext *pb = s->pb;
1114 MXFStreamContext *sc = st->priv_data;
1115 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1117 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1118 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1121 mxf_write_local_tag(pb, 4, 0x8000);
1122 avio_wb32(pb, sc->video_bit_rate);
1124 // profile and level
1125 mxf_write_local_tag(pb, 1, 0x8007);
1126 if (!st->codecpar->profile)
1127 profile_and_level |= 0x80; // escape bit
1128 avio_w8(pb, profile_and_level);
1130 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1134 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1136 AVIOContext *pb = s->pb;
1137 MXFContext *mxf = s->priv_data;
1138 int show_warnings = !mxf->footer_partition_offset;
1139 int duration_size = 0;
1141 if (s->oformat == &ff_mxf_opatom_muxer)
1144 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1146 if (duration_size > 0){
1147 mxf_write_local_tag(pb, 8, 0x3002);
1148 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1152 mxf_write_local_tag(pb, 1, 0x3D02);
1155 // write audio sampling rate
1156 mxf_write_local_tag(pb, 8, 0x3D03);
1157 avio_wb32(pb, st->codecpar->sample_rate);
1160 mxf_write_local_tag(pb, 4, 0x3D07);
1161 if (mxf->channel_count == -1) {
1162 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1163 av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1164 avio_wb32(pb, st->codecpar->channels);
1165 } else if (s->oformat == &ff_mxf_d10_muxer) {
1166 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1167 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1168 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1169 av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1170 avio_wb32(pb, mxf->channel_count);
1172 if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1173 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1174 avio_wb32(pb, st->codecpar->channels);
1177 mxf_write_local_tag(pb, 4, 0x3D01);
1178 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1181 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1183 AVIOContext *pb = s->pb;
1185 mxf_write_generic_sound_common(s, st, key, size+6+8);
1187 mxf_write_local_tag(pb, 2, 0x3D0A);
1188 avio_wb16(pb, st->codecpar->block_align);
1190 // avg bytes per sec
1191 mxf_write_local_tag(pb, 4, 0x3D09);
1192 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1195 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1197 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1200 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1202 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1205 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1207 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1210 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 };
1212 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1214 MXFContext *mxf = s->priv_data;
1215 AVIOContext *pb = s->pb;
1216 int name_size = mxf_utf16_local_tag_length(name);
1217 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1219 if (!name_size || indirect_value_size == 13)
1222 mxf_write_metadata_key(pb, 0x013f00);
1223 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1225 // write instance UID
1226 mxf_write_local_tag(pb, 16, 0x3C0A);
1227 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1230 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1232 // write indirect value
1233 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1234 avio_write(pb, mxf_indirect_value_utf16le, 17);
1235 avio_put_str16le(pb, value);
1237 mxf->tagged_value_count++;
1241 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1243 MXFContext *mxf = s->priv_data;
1244 AVDictionaryEntry *t = NULL;
1247 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1248 if (mxf->tagged_value_count >= UINT16_MAX) {
1249 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1253 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1259 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1261 MXFContext *mxf = s->priv_data;
1262 AVIOContext *pb = s->pb;
1263 int i, track_count = s->nb_streams+1;
1264 int name_size = mxf_utf16_local_tag_length(package_name);
1265 int user_comment_count = 0;
1267 if (type == MaterialPackage) {
1268 if (mxf->store_user_comments)
1269 user_comment_count = mxf_write_user_comments(s, s->metadata);
1270 mxf_write_metadata_key(pb, 0x013600);
1271 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1272 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1274 mxf_write_metadata_key(pb, 0x013700);
1275 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1276 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1280 mxf_write_local_tag(pb, 16, 0x3C0A);
1281 mxf_write_uuid(pb, type, 0);
1282 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1283 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1285 // write package umid
1286 mxf_write_local_tag(pb, 32, 0x4401);
1287 mxf_write_umid(s, type == SourcePackage);
1288 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1292 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1294 // package creation date
1295 mxf_write_local_tag(pb, 8, 0x4405);
1296 avio_wb64(pb, mxf->timestamp);
1298 // package modified date
1299 mxf_write_local_tag(pb, 8, 0x4404);
1300 avio_wb64(pb, mxf->timestamp);
1303 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1304 mxf_write_refs_count(pb, track_count);
1305 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1306 Track + TypeBottom, -1); // timecode track
1307 for (i = 0; i < s->nb_streams; i++)
1308 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1310 // write user comment refs
1311 if (mxf->store_user_comments) {
1312 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1313 mxf_write_refs_count(pb, user_comment_count);
1314 for (i = 0; i < user_comment_count; i++)
1315 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1318 // write multiple descriptor reference
1319 if (type == SourcePackage) {
1320 mxf_write_local_tag(pb, 16, 0x4701);
1321 if (s->nb_streams > 1) {
1322 mxf_write_uuid(pb, MultipleDescriptor, 0);
1323 mxf_write_multi_descriptor(s);
1325 mxf_write_uuid(pb, SubDescriptor, 0);
1328 // write timecode track
1329 mxf_write_track(s, mxf->timecode_track, type);
1330 mxf_write_sequence(s, mxf->timecode_track, type);
1331 mxf_write_timecode_component(s, mxf->timecode_track, type);
1333 for (i = 0; i < s->nb_streams; i++) {
1334 AVStream *st = s->streams[i];
1335 mxf_write_track(s, st, type);
1336 mxf_write_sequence(s, st, type);
1337 mxf_write_structural_component(s, st, type);
1339 if (type == SourcePackage) {
1340 MXFStreamContext *sc = st->priv_data;
1341 mxf_essence_container_uls[sc->index].write_desc(s, st);
1346 static int mxf_write_essence_container_data(AVFormatContext *s)
1348 AVIOContext *pb = s->pb;
1350 mxf_write_metadata_key(pb, 0x012300);
1351 klv_encode_ber_length(pb, 72);
1353 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1354 mxf_write_uuid(pb, EssenceContainerData, 0);
1356 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1357 mxf_write_umid(s, 1);
1359 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1362 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1368 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1370 const char *material_package_name = NULL;
1371 const char *file_package_name = NULL;
1372 AVDictionaryEntry *entry = NULL;
1373 AVStream *st = NULL;
1376 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1377 material_package_name = entry->value;
1379 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1380 file_package_name = entry->value;
1382 /* check if any of the streams contain a file_package_name */
1383 for (i = 0; i < s->nb_streams; i++) {
1385 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1386 file_package_name = entry->value;
1392 mxf_write_preface(s);
1393 mxf_write_identification(s);
1394 mxf_write_content_storage(s);
1395 mxf_write_package(s, MaterialPackage, material_package_name);
1396 mxf_write_package(s, SourcePackage, file_package_name);
1397 mxf_write_essence_container_data(s);
1401 static unsigned klv_fill_size(uint64_t size)
1403 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1404 if (pad < 20) // smallest fill item possible
1405 return pad + KAG_SIZE;
1407 return pad & (KAG_SIZE-1);
1410 static void mxf_write_index_table_segment(AVFormatContext *s)
1412 MXFContext *mxf = s->priv_data;
1413 AVIOContext *pb = s->pb;
1414 int i, j, temporal_reordering = 0;
1415 int key_index = mxf->last_key_index;
1417 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1419 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1422 avio_write(pb, index_table_segment_key, 16);
1424 if (mxf->edit_unit_byte_count) {
1425 klv_encode_ber_length(pb, 80);
1427 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1428 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1432 mxf_write_local_tag(pb, 16, 0x3C0A);
1433 mxf_write_uuid(pb, IndexTableSegment, 0);
1436 mxf_write_local_tag(pb, 8, 0x3F0B);
1437 avio_wb32(pb, mxf->time_base.den);
1438 avio_wb32(pb, mxf->time_base.num);
1440 // index start position
1441 mxf_write_local_tag(pb, 8, 0x3F0C);
1442 avio_wb64(pb, mxf->last_indexed_edit_unit);
1445 mxf_write_local_tag(pb, 8, 0x3F0D);
1446 if (mxf->edit_unit_byte_count)
1447 avio_wb64(pb, 0); // index table covers whole container
1449 avio_wb64(pb, mxf->edit_units_count);
1451 // edit unit byte count
1452 mxf_write_local_tag(pb, 4, 0x3F05);
1453 avio_wb32(pb, mxf->edit_unit_byte_count);
1456 mxf_write_local_tag(pb, 4, 0x3F06);
1460 mxf_write_local_tag(pb, 4, 0x3F07);
1463 if (!mxf->edit_unit_byte_count) {
1464 // real slice count - 1
1465 mxf_write_local_tag(pb, 1, 0x3F08);
1466 avio_w8(pb, mxf->slice_count);
1468 // delta entry array
1469 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1470 avio_wb32(pb, s->nb_streams+1); // num of entries
1471 avio_wb32(pb, 6); // size of one entry
1472 // write system item delta entry
1474 avio_w8(pb, 0); // slice entry
1475 avio_wb32(pb, 0); // element delta
1476 for (i = 0; i < s->nb_streams; i++) {
1477 AVStream *st = s->streams[i];
1478 MXFStreamContext *sc = st->priv_data;
1479 avio_w8(pb, sc->temporal_reordering);
1480 if (sc->temporal_reordering)
1481 temporal_reordering = 1;
1482 if (i == 0) { // video track
1483 avio_w8(pb, 0); // slice number
1484 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1485 } else { // audio track
1486 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1487 audio_frame_size += klv_fill_size(audio_frame_size);
1489 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1493 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1494 avio_wb32(pb, mxf->edit_units_count); // num of entries
1495 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1497 for (i = 0; i < mxf->edit_units_count; i++) {
1498 int temporal_offset = 0;
1500 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1501 mxf->last_key_index = key_index;
1505 if (temporal_reordering) {
1506 int pic_num_in_gop = i - key_index;
1507 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1508 for (j = key_index; j < mxf->edit_units_count; j++) {
1509 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1512 if (j == mxf->edit_units_count)
1513 av_log(s, AV_LOG_WARNING, "missing frames\n");
1514 temporal_offset = j - key_index - pic_num_in_gop;
1517 avio_w8(pb, temporal_offset);
1519 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1520 avio_w8(pb, mxf->last_key_index - i);
1522 avio_w8(pb, key_index - i); // key frame offset
1523 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1524 mxf->last_key_index = key_index;
1527 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1528 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1529 mxf->index_entries[i].flags |= 0x80; // random access
1530 avio_w8(pb, mxf->index_entries[i].flags);
1532 avio_wb64(pb, mxf->index_entries[i].offset);
1533 if (s->nb_streams > 1)
1534 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1537 mxf->last_key_index = key_index - mxf->edit_units_count;
1538 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1539 mxf->edit_units_count = 0;
1543 static void mxf_write_klv_fill(AVFormatContext *s)
1545 unsigned pad = klv_fill_size(avio_tell(s->pb));
1547 avio_write(s->pb, klv_fill_key, 16);
1549 klv_encode_ber4_length(s->pb, pad);
1550 ffio_fill(s->pb, 0, pad);
1551 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1555 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1557 const uint8_t *key, int write_metadata)
1559 MXFContext *mxf = s->priv_data;
1560 AVIOContext *pb = s->pb;
1561 int64_t header_byte_count_offset;
1562 unsigned index_byte_count = 0;
1563 uint64_t partition_offset = avio_tell(pb);
1566 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1567 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1568 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1569 else if (mxf->edit_unit_byte_count && indexsid)
1570 index_byte_count = 80;
1572 if (index_byte_count) {
1573 // add encoded ber length
1574 index_byte_count += 16 + klv_ber_length(index_byte_count);
1575 index_byte_count += klv_fill_size(index_byte_count);
1578 if (key && !memcmp(key, body_partition_key, 16)) {
1579 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1580 sizeof(*mxf->body_partition_offset))) < 0) {
1581 mxf->body_partitions_count = 0;
1584 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1589 avio_write(pb, key, 16);
1591 avio_write(pb, body_partition_key, 16);
1593 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1595 // write partition value
1596 avio_wb16(pb, 1); // majorVersion
1597 avio_wb16(pb, 2); // minorVersion
1598 avio_wb32(pb, KAG_SIZE); // KAGSize
1600 avio_wb64(pb, partition_offset); // ThisPartition
1602 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1603 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1604 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1605 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1609 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1612 header_byte_count_offset = avio_tell(pb);
1613 avio_wb64(pb, 0); // headerByteCount, update later
1616 avio_wb64(pb, index_byte_count); // indexByteCount
1617 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1620 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1621 avio_wb64(pb, mxf->body_offset);
1625 avio_wb32(pb, bodysid); // bodySID
1627 // operational pattern
1628 if (s->oformat == &ff_mxf_opatom_muxer)
1629 avio_write(pb, opatom_ul, 16);
1631 avio_write(pb, op1a_ul, 16);
1633 // essence container
1634 mxf_write_essence_container_refs(s);
1636 if (write_metadata) {
1637 // mark the start of the headermetadata and calculate metadata size
1639 unsigned header_byte_count;
1641 mxf_write_klv_fill(s);
1642 start = avio_tell(s->pb);
1643 mxf_write_primer_pack(s);
1644 mxf_write_header_metadata_sets(s);
1645 pos = avio_tell(s->pb);
1646 header_byte_count = pos - start + klv_fill_size(pos);
1648 // update header_byte_count
1649 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1650 avio_wb64(pb, header_byte_count);
1651 avio_seek(pb, pos, SEEK_SET);
1660 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1663 MXFContext *mxf = s->priv_data;
1664 MXFStreamContext *sc = st->priv_data;
1666 uint8_t* header_cid;
1669 if (mxf->header_written)
1675 header_cid = pkt->data + 0x28;
1676 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1678 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1680 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1681 return AVERROR_INVALIDDATA;
1686 sc->component_depth = 10;
1696 sc->component_depth = 10;
1706 sc->component_depth = 10;
1721 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1722 sc->aspect_ratio = (AVRational){ 16, 9 };
1724 if(s->oformat == &ff_mxf_opatom_muxer){
1725 mxf->edit_unit_byte_count = frame_size;
1729 mxf->edit_unit_byte_count = KAG_SIZE;
1730 for (i = 0; i < s->nb_streams; i++) {
1731 AVStream *st = s->streams[i];
1732 MXFStreamContext *sc = st->priv_data;
1733 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1734 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1735 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1736 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1737 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1738 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1745 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1747 MXFContext *mxf = s->priv_data;
1748 MXFStreamContext *sc = st->priv_data;
1749 uint8_t *vs_pack, *vsc_pack;
1750 int i, ul_index, frame_size, stype, pal;
1752 if (mxf->header_written)
1755 // Check for minimal frame size
1756 if (pkt->size < 120000)
1759 vs_pack = pkt->data + 80*5 + 48;
1760 vsc_pack = pkt->data + 80*5 + 53;
1761 stype = vs_pack[3] & 0x1f;
1762 pal = (vs_pack[3] >> 5) & 0x1;
1764 if ((vs_pack[2] & 0x07) == 0x02)
1765 sc->aspect_ratio = (AVRational){ 16, 9 };
1767 sc->aspect_ratio = (AVRational){ 4, 3 };
1769 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1770 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1771 // and set field dominance accordingly
1772 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1775 case 0x18: // DV100 720p
1777 frame_size = pal ? 288000 : 240000;
1778 if (sc->interlaced) {
1779 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1783 case 0x14: // DV100 1080i
1785 frame_size = pal ? 576000 : 480000;
1789 frame_size = pal ? 288000 : 240000;
1793 frame_size = pal ? 144000 : 120000;
1796 sc->index = ul_index + 16;
1797 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1799 if(s->oformat == &ff_mxf_opatom_muxer) {
1800 mxf->edit_unit_byte_count = frame_size;
1804 mxf->edit_unit_byte_count = KAG_SIZE;
1805 for (i = 0; i < s->nb_streams; i++) {
1806 AVStream *st = s->streams[i];
1807 MXFStreamContext *sc = st->priv_data;
1808 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1809 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1810 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1811 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1812 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1813 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1820 static const struct {
1825 } mxf_h264_codec_uls[] = {
1826 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0 }, // AVC Baseline, Unconstrained Coding
1827 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1828 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1829 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1830 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1831 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1832 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1833 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1834 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1835 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1836 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1837 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1838 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1839 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1840 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1843 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1844 AVPacket *pkt, MXFIndexEntry *e)
1846 MXFContext *mxf = s->priv_data;
1847 MXFStreamContext *sc = st->priv_data;
1848 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1849 const uint8_t *buf = pkt->data;
1850 const uint8_t *buf_end = pkt->data + pkt->size;
1851 uint32_t state = -1;
1852 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1856 if (pkt->size > extra_size)
1857 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1860 buf = avpriv_find_start_code(buf, buf_end, &state);
1864 switch (state & 0x1f) {
1866 st->codecpar->profile = buf[1];
1870 if (e->flags & 0x40) { // sequence header present
1871 e->flags |= 0x80; // random access
1881 if (mxf->header_written)
1884 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1885 sc->component_depth = 10; // AVC Intra is always 10 Bit
1886 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1888 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1891 frame_size = pkt->size + extra_size;
1892 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1893 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1894 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1896 } else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) {
1897 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1903 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1910 static const UID mxf_mpeg2_codec_uls[] = {
1911 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1912 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1913 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1914 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1915 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1916 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1917 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1918 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1919 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1920 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1923 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
1927 if (par->profile == 4) { // Main
1928 if (par->level == 8) // Main
1929 return &mxf_mpeg2_codec_uls[0+long_gop];
1930 else if (par->level == 4) // High
1931 return &mxf_mpeg2_codec_uls[4+long_gop];
1932 else if (par->level == 6) // High 14
1933 return &mxf_mpeg2_codec_uls[8+long_gop];
1934 } else if (par->profile == 0) { // 422
1935 if (par->level == 5) // Main
1936 return &mxf_mpeg2_codec_uls[2+long_gop];
1937 else if (par->level == 2) // High
1938 return &mxf_mpeg2_codec_uls[6+long_gop];
1943 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1944 AVPacket *pkt, MXFIndexEntry *e)
1946 MXFStreamContext *sc = st->priv_data;
1950 for(i = 0; i < pkt->size - 4; i++) {
1951 c = (c<<8) + pkt->data[i];
1953 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1954 st->codecpar->profile = pkt->data[i+1] & 0x07;
1955 st->codecpar->level = pkt->data[i+2] >> 4;
1956 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1957 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1959 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1962 } else if (c == 0x1b8) { // gop
1963 if (pkt->data[i+4]>>6 & 0x01) { // closed
1965 if (e->flags & 0x40) // sequence header present
1966 e->flags |= 0x80; // random access
1968 } else if (c == 0x1b3) { // seq
1970 switch ((pkt->data[i+4]>>4) & 0xf) {
1971 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1972 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1973 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1975 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1976 st->codecpar->width, st->codecpar->height, 1024*1024);
1978 } else if (c == 0x100) { // pic
1979 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1980 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1981 if (pict_type == 2) { // P-frame
1983 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
1984 } else if (pict_type == 3) { // B-frame
1986 e->flags |= 0x13; // only backward prediction
1989 sc->temporal_reordering = -1;
1990 } else if (!pict_type) {
1991 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1996 if (s->oformat != &ff_mxf_d10_muxer)
1997 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
1998 return !!sc->codec_ul;
2001 static uint64_t mxf_parse_timestamp(time_t timestamp)
2004 struct tm *time = gmtime_r(×tamp, &tmbuf);
2007 return (uint64_t)(time->tm_year+1900) << 48 |
2008 (uint64_t)(time->tm_mon+1) << 40 |
2009 (uint64_t) time->tm_mday << 32 |
2010 time->tm_hour << 24 |
2011 time->tm_min << 16 |
2015 static void mxf_gen_umid(AVFormatContext *s)
2017 MXFContext *mxf = s->priv_data;
2018 uint32_t seed = av_get_random_seed();
2019 uint64_t umid = seed + 0x5294713400000000LL;
2021 AV_WB64(mxf->umid , umid);
2022 AV_WB64(mxf->umid+8, umid>>8);
2024 mxf->instance_number = seed & 0xFFFFFF;
2027 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2029 MXFContext *mxf = s->priv_data;
2030 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2032 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2035 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2037 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2040 static int mxf_write_header(AVFormatContext *s)
2042 MXFContext *mxf = s->priv_data;
2044 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2045 const MXFSamplesPerFrame *spf = NULL;
2046 int64_t timestamp = 0;
2051 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2052 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2056 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2057 mxf->store_user_comments = 0;
2059 for (i = 0; i < s->nb_streams; i++) {
2060 AVStream *st = s->streams[i];
2061 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2063 return AVERROR(ENOMEM);
2066 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2067 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2071 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2072 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2073 // TODO: should be avg_frame_rate
2074 AVRational rate, tbc = st->time_base;
2075 // Default component depth to 8
2076 sc->component_depth = 8;
2077 sc->h_chroma_sub_sample = 2;
2078 sc->color_siting = 0xFF;
2081 sc->component_depth = pix_desc->comp[0].depth;
2082 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2084 switch (ff_choose_chroma_location(s, st)) {
2085 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2086 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2087 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2088 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2091 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2092 spf = ff_mxf_get_samples_per_frame(s, tbc);
2094 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2096 return AVERROR(EINVAL);
2098 mxf->time_base = spf->time_base;
2099 rate = av_inv_q(mxf->time_base);
2100 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2101 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2104 sc->video_bit_rate = st->codecpar->bit_rate;
2105 if (s->oformat == &ff_mxf_d10_muxer) {
2106 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2108 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2110 } else if (sc->video_bit_rate == 40000000) {
2111 if (mxf->time_base.den == 25) sc->index = 7;
2113 } else if (sc->video_bit_rate == 30000000) {
2114 if (mxf->time_base.den == 25) sc->index = 11;
2115 else sc->index = 13;
2117 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2121 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2122 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2123 mxf->time_base.num / (8*mxf->time_base.den);
2124 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2125 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2126 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2128 sc->signal_standard = 1;
2130 if (mxf->signal_standard >= 0)
2131 sc->signal_standard = mxf->signal_standard;
2132 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2133 if (st->codecpar->sample_rate != 48000) {
2134 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2137 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2138 if (s->oformat == &ff_mxf_d10_muxer) {
2139 if (st->index != 1) {
2140 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2143 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2144 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2145 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2147 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2148 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2149 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2151 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2152 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2153 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2154 return AVERROR_PATCHWELCOME;
2156 if (st->codecpar->channels != 1) {
2157 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2158 return AVERROR(EINVAL);
2161 spf = ff_mxf_get_samples_per_frame(s, tbc);
2163 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2164 return AVERROR(EINVAL);
2167 mxf->time_base = st->time_base;
2168 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2171 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2172 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2175 mxf->slice_count = 1;
2180 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2181 if (sc->index == -1) {
2182 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2183 "codec not currently supported in container\n", i);
2188 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2190 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2191 sc->track_essence_element_key[15] = present[sc->index];
2192 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2194 if (!present[sc->index])
2195 mxf->essence_container_count++;
2196 present[sc->index]++;
2199 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2200 mxf->essence_container_count = 1;
2203 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2206 for (i = 0; i < s->nb_streams; i++) {
2207 MXFStreamContext *sc = s->streams[i]->priv_data;
2208 // update element count
2209 sc->track_essence_element_key[13] = present[sc->index];
2210 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2211 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2213 sc->order = AV_RB32(sc->track_essence_element_key+12);
2216 if (ff_parse_creation_time_metadata(s, ×tamp, 1) > 0)
2217 mxf->timestamp = mxf_parse_timestamp(timestamp);
2220 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2221 if (!mxf->timecode_track)
2222 return AVERROR(ENOMEM);
2223 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2224 if (!mxf->timecode_track->priv_data)
2225 return AVERROR(ENOMEM);
2226 mxf->timecode_track->index = -1;
2229 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2231 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2237 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2238 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 };
2240 static void mxf_write_system_item(AVFormatContext *s)
2242 MXFContext *mxf = s->priv_data;
2243 AVIOContext *pb = s->pb;
2247 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2249 // write system metadata pack
2250 avio_write(pb, system_metadata_pack_key, 16);
2251 klv_encode_ber4_length(pb, 57);
2252 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2253 avio_w8(pb, 0x04); // content package rate
2254 avio_w8(pb, 0x00); // content package type
2255 avio_wb16(pb, 0x00); // channel handle
2256 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2257 if (mxf->essence_container_count > 1)
2258 avio_write(pb, multiple_desc_ul, 16);
2260 MXFStreamContext *sc = s->streams[0]->priv_data;
2261 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2265 avio_wb64(pb, 0); // creation date/time stamp
2267 avio_w8(pb, 0x81); // SMPTE 12M time code
2268 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2269 avio_wb32(pb, time_code);
2270 avio_wb32(pb, 0); // binary group data
2273 // write system metadata package set
2274 avio_write(pb, system_metadata_package_set_key, 16);
2275 klv_encode_ber4_length(pb, 35);
2276 avio_w8(pb, 0x83); // UMID
2277 avio_wb16(pb, 0x20);
2278 mxf_write_umid(s, 1);
2281 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2283 MXFContext *mxf = s->priv_data;
2284 AVIOContext *pb = s->pb;
2285 MXFStreamContext *sc = st->priv_data;
2286 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2287 (8*mxf->time_base.den); // frame size
2290 packet_size += 16 + 4;
2291 packet_size += klv_fill_size(packet_size);
2293 klv_encode_ber4_length(pb, pkt->size);
2294 avio_write(pb, pkt->data, pkt->size);
2296 // ensure CBR muxing by padding to correct video frame size
2297 pad = packet_size - pkt->size - 16 - 4;
2299 avio_write(s->pb, klv_fill_key, 16);
2301 klv_encode_ber4_length(s->pb, pad);
2302 ffio_fill(s->pb, 0, pad);
2303 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2305 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2306 ffio_fill(s->pb, 0, pad);
2310 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2312 MXFContext *mxf = s->priv_data;
2313 AVIOContext *pb = s->pb;
2314 int frame_size = pkt->size / st->codecpar->block_align;
2315 uint8_t *samples = pkt->data;
2316 uint8_t *end = pkt->data + pkt->size;
2319 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2321 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2322 avio_wl16(pb, frame_size);
2323 avio_w8(pb, (1<<st->codecpar->channels)-1);
2325 while (samples < end) {
2326 for (i = 0; i < st->codecpar->channels; i++) {
2328 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2329 sample = AV_RL24(samples)<< 4;
2332 sample = AV_RL16(samples)<<12;
2335 avio_wl32(pb, sample | i);
2342 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2344 MXFContext *mxf = s->priv_data;
2345 AVIOContext *pb = s->pb;
2346 AVStream *st = s->streams[0];
2347 MXFStreamContext *sc = st->priv_data;
2348 const uint8_t *key = NULL;
2352 if (!mxf->header_written)
2353 key = body_partition_key;
2355 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2357 mxf_write_klv_fill(s);
2358 avio_write(pb, sc->track_essence_element_key, 16);
2359 klv_encode_ber9_length(pb, mxf->body_offset);
2363 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2365 MXFContext *mxf = s->priv_data;
2366 AVIOContext *pb = s->pb;
2370 if (!mxf->header_written) {
2371 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2373 mxf_write_klv_fill(s);
2375 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2377 mxf->header_written = 1;
2380 if (!mxf->edit_unit_byte_count) {
2381 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2382 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2383 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2385 mxf->edit_units_count++;
2386 avio_write(pb, pkt->data, pkt->size);
2387 mxf->body_offset += pkt->size;
2393 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2395 MXFContext *mxf = s->priv_data;
2396 AVIOContext *pb = s->pb;
2397 AVStream *st = s->streams[pkt->stream_index];
2398 MXFStreamContext *sc = st->priv_data;
2399 MXFIndexEntry ie = {0};
2402 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2403 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2404 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2405 mxf->edit_units_count = 0;
2406 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2411 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2412 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2413 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2416 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2417 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2418 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2421 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2422 if (!mxf_parse_dv_frame(s, st, pkt)) {
2423 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2426 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2427 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2428 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2433 if (s->oformat == &ff_mxf_opatom_muxer)
2434 return mxf_write_opatom_packet(s, pkt, &ie);
2436 if (!mxf->header_written) {
2437 if (mxf->edit_unit_byte_count) {
2438 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2440 mxf_write_klv_fill(s);
2441 mxf_write_index_table_segment(s);
2443 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2446 mxf->header_written = 1;
2449 if (st->index == 0) {
2450 if (!mxf->edit_unit_byte_count &&
2451 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2452 !(ie.flags & 0x33)) { // I-frame, GOP start
2453 mxf_write_klv_fill(s);
2454 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2456 mxf_write_klv_fill(s);
2457 mxf_write_index_table_segment(s);
2460 mxf_write_klv_fill(s);
2461 mxf_write_system_item(s);
2463 if (!mxf->edit_unit_byte_count) {
2464 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2465 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2466 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2467 mxf->body_offset += KAG_SIZE; // size of system element
2469 mxf->edit_units_count++;
2470 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2471 if (!mxf->edit_units_count) {
2472 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2473 return AVERROR_PATCHWELCOME;
2475 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2476 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2479 mxf_write_klv_fill(s);
2480 avio_write(pb, sc->track_essence_element_key, 16); // write key
2481 if (s->oformat == &ff_mxf_d10_muxer) {
2482 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2483 mxf_write_d10_video_packet(s, st, pkt);
2485 mxf_write_d10_audio_packet(s, st, pkt);
2487 klv_encode_ber4_length(pb, pkt->size); // write length
2488 avio_write(pb, pkt->data, pkt->size);
2489 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2497 static void mxf_write_random_index_pack(AVFormatContext *s)
2499 MXFContext *mxf = s->priv_data;
2500 AVIOContext *pb = s->pb;
2501 uint64_t pos = avio_tell(pb);
2504 avio_write(pb, random_index_pack_key, 16);
2505 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2507 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2508 avio_wb32(pb, 1); // BodySID of header partition
2511 avio_wb64(pb, 0); // offset of header partition
2513 for (i = 0; i < mxf->body_partitions_count; i++) {
2514 avio_wb32(pb, 1); // BodySID
2515 avio_wb64(pb, mxf->body_partition_offset[i]);
2518 avio_wb32(pb, 0); // BodySID of footer partition
2519 avio_wb64(pb, mxf->footer_partition_offset);
2521 avio_wb32(pb, avio_tell(pb) - pos + 4);
2524 static int mxf_write_footer(AVFormatContext *s)
2526 MXFContext *mxf = s->priv_data;
2527 AVIOContext *pb = s->pb;
2530 if (!mxf->header_written ||
2531 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2532 /* reason could be invalid options/not supported codec/out of memory */
2533 err = AVERROR_UNKNOWN;
2537 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2539 mxf_write_klv_fill(s);
2540 mxf->footer_partition_offset = avio_tell(pb);
2541 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2542 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2545 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2547 mxf_write_klv_fill(s);
2548 mxf_write_index_table_segment(s);
2551 mxf_write_klv_fill(s);
2552 mxf_write_random_index_pack(s);
2554 if (s->pb->seekable) {
2555 if (s->oformat == &ff_mxf_opatom_muxer){
2556 /* rewrite body partition to update lengths */
2557 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2558 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2562 avio_seek(pb, 0, SEEK_SET);
2563 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2564 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2566 mxf_write_klv_fill(s);
2567 mxf_write_index_table_segment(s);
2569 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2575 ff_audio_interleave_close(s);
2577 av_freep(&mxf->index_entries);
2578 av_freep(&mxf->body_partition_offset);
2579 av_freep(&mxf->timecode_track->priv_data);
2580 av_freep(&mxf->timecode_track);
2584 return err < 0 ? err : 0;
2587 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2589 int i, stream_count = 0;
2591 for (i = 0; i < s->nb_streams; i++)
2592 stream_count += !!s->streams[i]->last_in_packet_buffer;
2594 if (stream_count && (s->nb_streams == stream_count || flush)) {
2595 AVPacketList *pktl = s->internal->packet_buffer;
2596 if (s->nb_streams != stream_count) {
2597 AVPacketList *last = NULL;
2598 // find last packet in edit unit
2600 if (!stream_count || pktl->pkt.stream_index == 0)
2606 // purge packet queue
2608 AVPacketList *next = pktl->next;
2610 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2611 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2612 av_packet_unref(&pktl->pkt);
2619 s->internal->packet_buffer = NULL;
2620 s->internal->packet_buffer_end= NULL;
2623 pktl = s->internal->packet_buffer;
2627 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2628 s->internal->packet_buffer = pktl->next;
2629 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2630 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2631 if(!s->internal->packet_buffer)
2632 s->internal->packet_buffer_end= NULL;
2637 av_init_packet(out);
2642 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2644 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2645 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2647 return next->dts > pkt->dts ||
2648 (next->dts == pkt->dts && sc->order < sc2->order);
2651 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2653 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2654 mxf_interleave_get_packet, mxf_compare_timestamps);
2657 #define MXF_COMMON_OPTIONS \
2658 { "signal_standard", "Force/set Sigal Standard",\
2659 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2660 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2661 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2662 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2663 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2664 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2665 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2666 { "smpte274m", "SMPTE 274M (1125 line)",\
2667 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2668 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2669 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2670 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2671 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2672 { "smpte428", "SMPTE 428-1 DCDM",\
2673 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2677 static const AVOption mxf_options[] = {
2679 { "store_user_comments", "",
2680 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2684 static const AVClass mxf_muxer_class = {
2685 .class_name = "MXF muxer",
2686 .item_name = av_default_item_name,
2687 .option = mxf_options,
2688 .version = LIBAVUTIL_VERSION_INT,
2691 static const AVOption d10_options[] = {
2692 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2693 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2695 { "store_user_comments", "",
2696 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2700 static const AVClass mxf_d10_muxer_class = {
2701 .class_name = "MXF-D10 muxer",
2702 .item_name = av_default_item_name,
2703 .option = d10_options,
2704 .version = LIBAVUTIL_VERSION_INT,
2707 static const AVOption opatom_options[] = {
2708 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2709 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2714 static const AVClass mxf_opatom_muxer_class = {
2715 .class_name = "MXF-OPAtom muxer",
2716 .item_name = av_default_item_name,
2717 .option = opatom_options,
2718 .version = LIBAVUTIL_VERSION_INT,
2721 AVOutputFormat ff_mxf_muxer = {
2723 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2724 .mime_type = "application/mxf",
2725 .extensions = "mxf",
2726 .priv_data_size = sizeof(MXFContext),
2727 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2728 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2729 .write_header = mxf_write_header,
2730 .write_packet = mxf_write_packet,
2731 .write_trailer = mxf_write_footer,
2732 .flags = AVFMT_NOTIMESTAMPS,
2733 .interleave_packet = mxf_interleave,
2734 .priv_class = &mxf_muxer_class,
2737 AVOutputFormat ff_mxf_d10_muxer = {
2739 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2740 .mime_type = "application/mxf",
2741 .priv_data_size = sizeof(MXFContext),
2742 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2743 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2744 .write_header = mxf_write_header,
2745 .write_packet = mxf_write_packet,
2746 .write_trailer = mxf_write_footer,
2747 .flags = AVFMT_NOTIMESTAMPS,
2748 .interleave_packet = mxf_interleave,
2749 .priv_class = &mxf_d10_muxer_class,
2752 AVOutputFormat ff_mxf_opatom_muxer = {
2753 .name = "mxf_opatom",
2754 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2755 .mime_type = "application/mxf",
2756 .extensions = "mxf",
2757 .priv_data_size = sizeof(MXFContext),
2758 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2759 .video_codec = AV_CODEC_ID_DNXHD,
2760 .write_header = mxf_write_header,
2761 .write_packet = mxf_write_packet,
2762 .write_trailer = mxf_write_footer,
2763 .flags = AVFMT_NOTIMESTAMPS,
2764 .interleave_packet = mxf_interleave,
2765 .priv_class = &mxf_opatom_muxer_class,