3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
26 * SMPTE 377M MXF File Format Specifications
27 * SMPTE 379M MXF Generic Container
28 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
29 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
30 * SMPTE RP210: SMPTE Metadata Dictionary
31 * SMPTE RP224: Registry of SMPTE Universal Labels
38 #include "libavutil/opt.h"
39 #include "libavutil/random_seed.h"
40 #include "libavutil/timecode.h"
41 #include "libavutil/avassert.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/time_internal.h"
44 #include "libavcodec/bytestream.h"
45 #include "libavcodec/dnxhddata.h"
46 #include "libavcodec/h264.h"
47 #include "libavcodec/internal.h"
48 #include "audiointerleave.h"
50 #include "avio_internal.h"
55 extern AVOutputFormat ff_mxf_d10_muxer;
56 extern AVOutputFormat ff_mxf_opatom_muxer;
58 #define EDIT_UNITS_PER_BODY 250
61 typedef struct MXFLocalTagPair {
66 typedef struct MXFIndexEntry {
69 unsigned slice_offset; ///< offset of audio slice
70 uint16_t temporal_ref;
73 typedef struct MXFStreamContext {
74 AudioInterleaveContext aic;
75 UID track_essence_element_key;
76 int index; ///< index in mxf_essence_container_uls table
78 int order; ///< interleaving order if dts are equal
79 int interlaced; ///< whether picture is interlaced
80 int field_dominance; ///< tff=1, bff=2
84 int h_chroma_sub_sample;
85 int temporal_reordering;
86 AVRational aspect_ratio; ///< display aspect ratio
87 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
91 typedef struct MXFContainerEssenceEntry {
95 void (*write_desc)(AVFormatContext *, AVStream *);
96 } MXFContainerEssenceEntry;
101 } mxf_essence_mappings[] = {
102 { AV_CODEC_ID_MPEG2VIDEO, 0 },
103 { AV_CODEC_ID_PCM_S24LE, 1 },
104 { AV_CODEC_ID_PCM_S16LE, 1 },
105 { AV_CODEC_ID_DVVIDEO, 15 },
106 { AV_CODEC_ID_DNXHD, 24 },
107 { AV_CODEC_ID_JPEG2000, 34 },
108 { AV_CODEC_ID_H264, 35 },
112 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
113 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
114 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
115 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
116 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
118 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
119 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
120 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
121 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
122 mxf_write_mpegvideo_desc },
123 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
124 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
125 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
126 mxf_write_aes3_desc },
127 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
128 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
129 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
130 mxf_write_wav_desc },
131 // D-10 625/50 PAL 50mb/s
132 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
133 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
134 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
135 mxf_write_cdci_desc },
136 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
137 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
138 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
139 mxf_write_generic_sound_desc },
140 // D-10 525/60 NTSC 50mb/s
141 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
142 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
143 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
144 mxf_write_cdci_desc },
145 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
146 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
147 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
148 mxf_write_generic_sound_desc },
149 // D-10 625/50 PAL 40mb/s
150 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
151 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
152 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
153 mxf_write_cdci_desc },
154 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
155 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
156 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
157 mxf_write_generic_sound_desc },
158 // D-10 525/60 NTSC 40mb/s
159 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
160 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
161 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
162 mxf_write_cdci_desc },
163 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
164 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
165 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
166 mxf_write_generic_sound_desc },
167 // D-10 625/50 PAL 30mb/s
168 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
169 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
170 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
171 mxf_write_cdci_desc },
172 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
173 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
174 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
175 mxf_write_generic_sound_desc },
176 // D-10 525/60 NTSC 30mb/s
177 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
178 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
179 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
180 mxf_write_cdci_desc },
181 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
182 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
183 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
184 mxf_write_generic_sound_desc },
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
189 mxf_write_cdci_desc },
191 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
192 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
193 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
194 mxf_write_cdci_desc },
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
199 mxf_write_cdci_desc },
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
204 mxf_write_cdci_desc },
206 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
207 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
209 mxf_write_cdci_desc },
211 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
212 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
213 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
214 mxf_write_cdci_desc },
216 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
217 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
219 mxf_write_cdci_desc },
221 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
222 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
224 mxf_write_cdci_desc },
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
229 mxf_write_cdci_desc },
230 // DNxHD 1080p 10bit high
231 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
232 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
233 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
234 mxf_write_cdci_desc },
235 // DNxHD 1080p 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
239 mxf_write_cdci_desc },
240 // DNxHD 1080p 8bit high
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,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
244 mxf_write_cdci_desc },
245 // DNxHD 1080i 10bit 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,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
249 mxf_write_cdci_desc },
250 // DNxHD 1080i 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
254 mxf_write_cdci_desc },
255 // DNxHD 1080i 8bit high
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,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
259 mxf_write_cdci_desc },
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,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
264 mxf_write_cdci_desc },
265 // DNxHD 720p 8bit high
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,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
269 mxf_write_cdci_desc },
270 // DNxHD 720p 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
274 mxf_write_cdci_desc },
275 // DNxHD 720p 8bit low
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,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
279 mxf_write_cdci_desc },
281 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
282 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
283 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
284 mxf_write_cdci_desc },
286 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
287 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
288 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
289 mxf_write_mpegvideo_desc },
290 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
291 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
292 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
296 typedef struct MXFContext {
298 int64_t footer_partition_offset;
299 int essence_container_count;
300 AVRational time_base;
302 MXFIndexEntry *index_entries;
303 unsigned edit_units_count;
304 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
305 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
306 int last_indexed_edit_unit;
307 uint64_t *body_partition_offset;
308 unsigned body_partitions_count;
309 int last_key_index; ///< index of last key frame
311 AVTimecode tc; ///< timecode context
312 AVStream *timecode_track;
313 int timecode_base; ///< rounded time code base (25 or 30)
314 int edit_unit_byte_count; ///< fixed edit unit byte count
315 uint64_t body_offset;
316 uint32_t instance_number;
317 uint8_t umid[16]; ///< unique material identifier
319 uint32_t tagged_value_count;
320 AVRational audio_edit_rate;
323 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
324 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
327 * complete key for operation pattern, partitions, and primer pack
329 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
330 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
331 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
332 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
333 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
334 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
335 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
336 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
337 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
338 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
341 * partial key for header metadata
343 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
344 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
347 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
349 static const MXFLocalTagPair mxf_local_tag_batch[] = {
351 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
352 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
353 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
354 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
355 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
356 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
357 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
358 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
360 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
361 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
362 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
363 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
364 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
365 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
367 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
368 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
369 // Essence Container Data
370 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
371 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
373 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
374 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
375 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
376 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
377 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
378 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
379 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
381 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
382 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
383 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
384 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
385 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
387 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
388 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
389 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
391 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
392 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
393 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
394 // Timecode Component
395 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
396 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
397 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
399 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
400 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
402 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
403 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
404 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
405 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
406 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
407 // Generic Picture Essence Descriptor
408 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
409 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
410 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
411 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
412 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
413 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
414 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
415 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
416 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
417 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
418 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
419 // CDCI Picture Essence Descriptor
420 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
421 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
422 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
423 // Generic Sound Essence Descriptor
424 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
425 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
426 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
427 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
428 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
429 // Index Table Segment
430 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
431 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
432 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
433 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
434 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
435 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
436 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
437 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
438 // MPEG video Descriptor
439 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
440 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
441 // Wave Audio Essence Descriptor
442 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
443 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
446 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
448 avio_write(pb, uuid_base, 12);
450 avio_wb16(pb, value);
453 static void mxf_write_umid(AVFormatContext *s, int type)
455 MXFContext *mxf = s->priv_data;
456 avio_write(s->pb, umid_ul, 13);
457 avio_wb24(s->pb, mxf->instance_number);
458 avio_write(s->pb, mxf->umid, 15);
459 avio_w8(s->pb, type);
462 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
464 avio_wb32(pb, ref_count);
468 static int klv_ber_length(uint64_t len)
473 return (av_log2(len) >> 3) + 2;
476 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
478 // Determine the best BER size
486 size = (av_log2(len) >> 3) + 1;
489 avio_w8(pb, 0x80 + size);
492 avio_w8(pb, len >> 8 * size & 0xff);
497 static void klv_encode_ber4_length(AVIOContext *pb, int len)
499 avio_w8(pb, 0x80 + 3);
503 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
505 avio_w8(pb, 0x80 + 8);
510 * Get essence container ul index
512 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
515 for (i = 0; mxf_essence_mappings[i].id; i++)
516 if (mxf_essence_mappings[i].id == id)
517 return mxf_essence_mappings[i].index;
521 static void mxf_write_primer_pack(AVFormatContext *s)
523 AVIOContext *pb = s->pb;
524 int local_tag_number, i = 0;
526 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
528 avio_write(pb, primer_pack_key, 16);
529 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
531 avio_wb32(pb, local_tag_number); // local_tag num
532 avio_wb32(pb, 18); // item size, always 18 according to the specs
534 for (i = 0; i < local_tag_number; i++) {
535 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
536 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
540 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
546 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
548 avio_write(pb, header_metadata_key, 13);
549 avio_wb24(pb, value);
552 static void mxf_free(AVFormatContext *s)
556 for (i = 0; i < s->nb_streams; i++) {
557 AVStream *st = s->streams[i];
558 av_freep(&st->priv_data);
562 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
564 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
565 while (uls->uid[0]) {
573 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
574 #define DESCRIPTOR_COUNT(essence_container_count) \
575 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
577 static void mxf_write_essence_container_refs(AVFormatContext *s)
579 MXFContext *c = s->priv_data;
580 AVIOContext *pb = s->pb;
583 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
584 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
585 for (i = 0; i < c->essence_container_count; i++) {
586 MXFStreamContext *sc = s->streams[i]->priv_data;
587 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
590 if (c->essence_container_count > 1)
591 avio_write(pb, multiple_desc_ul, 16);
594 static void mxf_write_preface(AVFormatContext *s)
596 MXFContext *mxf = s->priv_data;
597 AVIOContext *pb = s->pb;
599 mxf_write_metadata_key(pb, 0x012f00);
600 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
601 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
603 // write preface set uid
604 mxf_write_local_tag(pb, 16, 0x3C0A);
605 mxf_write_uuid(pb, Preface, 0);
606 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
608 // last modified date
609 mxf_write_local_tag(pb, 8, 0x3B02);
610 avio_wb64(pb, mxf->timestamp);
613 mxf_write_local_tag(pb, 2, 0x3B05);
614 avio_wb16(pb, 258); // v1.2
616 // write identification_refs
617 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
618 mxf_write_refs_count(pb, 1);
619 mxf_write_uuid(pb, Identification, 0);
621 // write content_storage_refs
622 mxf_write_local_tag(pb, 16, 0x3B03);
623 mxf_write_uuid(pb, ContentStorage, 0);
625 // operational pattern
626 mxf_write_local_tag(pb, 16, 0x3B09);
627 if (s->oformat == &ff_mxf_opatom_muxer)
628 avio_write(pb, opatom_ul, 16);
630 avio_write(pb, op1a_ul, 16);
632 // write essence_container_refs
633 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
634 mxf_write_essence_container_refs(s);
636 // write dm_scheme_refs
637 mxf_write_local_tag(pb, 8, 0x3B0B);
642 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
643 * from decoding the utf-8 string.
645 static uint64_t mxf_utf16len(const char *utf8_str)
647 const uint8_t *q = utf8_str;
651 GET_UTF8(ch, *q++, goto invalid;)
658 av_log(NULL, AV_LOG_ERROR, "Invaid UTF8 sequence in mxf_utf16len\n\n");
665 * Returns the calculated length a local tag containing an utf-8 string as utf-16
667 static int mxf_utf16_local_tag_length(const char *utf8_str)
674 size = mxf_utf16len(utf8_str);
675 if (size >= UINT16_MAX/2) {
676 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
684 * Write a local tag containing an utf-8 string as utf-16
686 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
688 uint64_t size = mxf_utf16len(value);
690 if (size >= UINT16_MAX/2) {
691 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
695 mxf_write_local_tag(pb, size*2, tag);
696 avio_put_str16be(pb, value);
699 static void mxf_write_identification(AVFormatContext *s)
701 MXFContext *mxf = s->priv_data;
702 AVIOContext *pb = s->pb;
703 const char *company = "FFmpeg";
704 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
708 mxf_write_metadata_key(pb, 0x013000);
709 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
711 version = s->flags & AVFMT_FLAG_BITEXACT ?
712 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
713 length = 72 + mxf_utf16_local_tag_length(company) +
714 mxf_utf16_local_tag_length(product) +
715 mxf_utf16_local_tag_length(version);
716 klv_encode_ber_length(pb, length);
719 mxf_write_local_tag(pb, 16, 0x3C0A);
720 mxf_write_uuid(pb, Identification, 0);
721 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
723 // write generation uid
724 mxf_write_local_tag(pb, 16, 0x3C09);
725 mxf_write_uuid(pb, Identification, 1);
726 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
727 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
728 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
731 mxf_write_local_tag(pb, 16, 0x3C05);
732 mxf_write_uuid(pb, Identification, 2);
735 mxf_write_local_tag(pb, 8, 0x3C06);
736 avio_wb64(pb, mxf->timestamp);
739 static void mxf_write_content_storage(AVFormatContext *s)
741 AVIOContext *pb = s->pb;
743 mxf_write_metadata_key(pb, 0x011800);
744 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
745 klv_encode_ber_length(pb, 92);
748 mxf_write_local_tag(pb, 16, 0x3C0A);
749 mxf_write_uuid(pb, ContentStorage, 0);
750 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
752 // write package reference
753 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
754 mxf_write_refs_count(pb, 2);
755 mxf_write_uuid(pb, MaterialPackage, 0);
756 mxf_write_uuid(pb, SourcePackage, 0);
758 // write essence container data
759 mxf_write_local_tag(pb, 8 + 16, 0x1902);
760 mxf_write_refs_count(pb, 1);
761 mxf_write_uuid(pb, EssenceContainerData, 0);
764 static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
766 MXFContext *mxf = s->priv_data;
767 AVIOContext *pb = s->pb;
768 MXFStreamContext *sc = st->priv_data;
770 mxf_write_metadata_key(pb, 0x013b00);
771 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
772 klv_encode_ber_length(pb, 80);
775 mxf_write_local_tag(pb, 16, 0x3C0A);
776 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
777 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
780 mxf_write_local_tag(pb, 4, 0x4801);
781 avio_wb32(pb, st->index+2);
783 // write track number
784 mxf_write_local_tag(pb, 4, 0x4804);
785 if (type == MaterialPackage)
786 avio_wb32(pb, 0); // track number of material package is 0
788 avio_write(pb, sc->track_essence_element_key + 12, 4);
790 mxf_write_local_tag(pb, 8, 0x4B01);
792 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
793 avio_wb32(pb, mxf->tc.rate.num);
794 avio_wb32(pb, mxf->tc.rate.den);
796 avio_wb32(pb, mxf->time_base.den);
797 avio_wb32(pb, mxf->time_base.num);
801 mxf_write_local_tag(pb, 8, 0x4B02);
804 // write sequence refs
805 mxf_write_local_tag(pb, 16, 0x4803);
806 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
809 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 };
811 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
813 MXFContext *mxf = s->priv_data;
814 AVIOContext *pb = s->pb;
816 // find data define uls
817 mxf_write_local_tag(pb, 16, 0x0201);
818 if (st == mxf->timecode_track)
819 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
821 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
822 avio_write(pb, data_def_ul->uid, 16);
826 mxf_write_local_tag(pb, 8, 0x0202);
828 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
829 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
831 avio_wb64(pb, mxf->duration);
835 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
837 MXFContext *mxf = s->priv_data;
838 AVIOContext *pb = s->pb;
839 enum MXFMetadataSetType component;
841 mxf_write_metadata_key(pb, 0x010f00);
842 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
843 klv_encode_ber_length(pb, 80);
845 mxf_write_local_tag(pb, 16, 0x3C0A);
846 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
848 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
849 mxf_write_common_fields(s, st);
851 // write structural component
852 mxf_write_local_tag(pb, 16 + 8, 0x1001);
853 mxf_write_refs_count(pb, 1);
854 if (st == mxf->timecode_track)
855 component = TimecodeComponent;
857 component = SourceClip;
858 if (type == SourcePackage)
859 component += TypeBottom;
860 mxf_write_uuid(pb, component, st->index);
863 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
865 MXFContext *mxf = s->priv_data;
866 AVIOContext *pb = s->pb;
868 mxf_write_metadata_key(pb, 0x011400);
869 klv_encode_ber_length(pb, 75);
872 mxf_write_local_tag(pb, 16, 0x3C0A);
873 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
874 TimecodeComponent + TypeBottom, st->index);
876 mxf_write_common_fields(s, st);
879 mxf_write_local_tag(pb, 8, 0x1501);
880 avio_wb64(pb, mxf->tc.start);
882 // Rounded Time Code Base
883 mxf_write_local_tag(pb, 2, 0x1502);
884 avio_wb16(pb, mxf->timecode_base);
887 mxf_write_local_tag(pb, 1, 0x1503);
888 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
891 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
893 AVIOContext *pb = s->pb;
896 mxf_write_metadata_key(pb, 0x011100);
897 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
898 klv_encode_ber_length(pb, 108);
901 mxf_write_local_tag(pb, 16, 0x3C0A);
902 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
904 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
905 mxf_write_common_fields(s, st);
907 // write start_position
908 mxf_write_local_tag(pb, 8, 0x1201);
911 // write source package uid, end of the reference
912 mxf_write_local_tag(pb, 32, 0x1101);
913 if (type == SourcePackage) {
914 for (i = 0; i < 4; i++)
917 mxf_write_umid(s, 1);
919 // write source track id
920 mxf_write_local_tag(pb, 4, 0x1102);
921 if (type == SourcePackage)
924 avio_wb32(pb, st->index+2);
927 static void mxf_write_multi_descriptor(AVFormatContext *s)
929 MXFContext *mxf = s->priv_data;
930 AVIOContext *pb = s->pb;
934 mxf_write_metadata_key(pb, 0x014400);
935 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
936 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
938 mxf_write_local_tag(pb, 16, 0x3C0A);
939 mxf_write_uuid(pb, MultipleDescriptor, 0);
940 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
943 mxf_write_local_tag(pb, 8, 0x3001);
944 avio_wb32(pb, mxf->time_base.den);
945 avio_wb32(pb, mxf->time_base.num);
947 // write essence container ul
948 mxf_write_local_tag(pb, 16, 0x3004);
949 if (mxf->essence_container_count > 1)
950 ul = multiple_desc_ul;
952 MXFStreamContext *sc = s->streams[0]->priv_data;
953 ul = mxf_essence_container_uls[sc->index].container_ul;
955 avio_write(pb, ul, 16);
957 // write sub descriptor refs
958 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
959 mxf_write_refs_count(pb, s->nb_streams);
960 for (i = 0; i < s->nb_streams; i++)
961 mxf_write_uuid(pb, SubDescriptor, i);
964 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
966 MXFContext *mxf = s->priv_data;
967 MXFStreamContext *sc = st->priv_data;
968 AVIOContext *pb = s->pb;
970 avio_write(pb, key, 16);
971 klv_encode_ber4_length(pb, size+20+8+12+20);
973 mxf_write_local_tag(pb, 16, 0x3C0A);
974 mxf_write_uuid(pb, SubDescriptor, st->index);
976 mxf_write_local_tag(pb, 4, 0x3006);
977 avio_wb32(pb, st->index+2);
979 mxf_write_local_tag(pb, 8, 0x3001);
980 avio_wb32(pb, mxf->time_base.den);
981 avio_wb32(pb, mxf->time_base.num);
983 mxf_write_local_tag(pb, 16, 0x3004);
984 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
987 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
988 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
989 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
990 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
991 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
993 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
995 MXFStreamContext *sc = st->priv_data;
996 AVIOContext *pb = s->pb;
997 int stored_height = (st->codec->height+15)/16*16;
1000 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20+5;
1001 if (sc->interlaced && sc->field_dominance)
1003 if (sc->signal_standard)
1006 mxf_write_generic_desc(s, st, key, desc_size);
1008 mxf_write_local_tag(pb, 4, 0x3203);
1009 avio_wb32(pb, st->codec->width);
1011 mxf_write_local_tag(pb, 4, 0x3202);
1012 avio_wb32(pb, stored_height>>sc->interlaced);
1014 mxf_write_local_tag(pb, 4, 0x3209);
1015 avio_wb32(pb, st->codec->width);
1017 if (st->codec->height == 608) // PAL + VBI
1018 display_height = 576;
1019 else if (st->codec->height == 512) // NTSC + VBI
1020 display_height = 486;
1022 display_height = st->codec->height;
1024 mxf_write_local_tag(pb, 4, 0x3208);
1025 avio_wb32(pb, display_height>>sc->interlaced);
1027 // presentation Y offset
1028 mxf_write_local_tag(pb, 4, 0x320B);
1029 avio_wb32(pb, (st->codec->height - display_height)>>sc->interlaced);
1032 mxf_write_local_tag(pb, 4, 0x3301);
1033 avio_wb32(pb, sc->component_depth);
1035 // horizontal subsampling
1036 mxf_write_local_tag(pb, 4, 0x3302);
1037 avio_wb32(pb, sc->h_chroma_sub_sample);
1040 mxf_write_local_tag(pb, 1, 0x3303);
1041 avio_w8(pb, sc->color_siting);
1043 if (sc->signal_standard) {
1044 mxf_write_local_tag(pb, 1, 0x3215);
1045 avio_w8(pb, sc->signal_standard);
1049 mxf_write_local_tag(pb, 1, 0x320C);
1050 avio_w8(pb, sc->interlaced);
1053 switch (st->codec->height) {
1054 case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1055 case 608: f1 = 7; f2 = 320; break;
1056 case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1057 case 512: f1 = 7; f2 = 270; break;
1058 case 720: f1 = 26; f2 = 0; break; // progressive
1059 case 1080: f1 = 21; f2 = 584; break;
1060 default: f1 = 0; f2 = 0; break;
1063 if (!sc->interlaced) {
1068 mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
1069 avio_wb32(pb, sc->interlaced ? 2 : 1);
1075 mxf_write_local_tag(pb, 8, 0x320E);
1076 avio_wb32(pb, sc->aspect_ratio.num);
1077 avio_wb32(pb, sc->aspect_ratio.den);
1079 mxf_write_local_tag(pb, 16, 0x3201);
1080 avio_write(pb, *sc->codec_ul, 16);
1082 if (sc->interlaced && sc->field_dominance) {
1083 mxf_write_local_tag(pb, 1, 0x3212);
1084 avio_w8(pb, sc->field_dominance);
1089 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1091 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1094 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1096 AVIOContext *pb = s->pb;
1097 MXFStreamContext *sc = st->priv_data;
1098 int profile_and_level = (st->codec->profile<<4) | st->codec->level;
1100 if (st->codec->codec_id != AV_CODEC_ID_H264) {
1101 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1104 mxf_write_local_tag(pb, 4, 0x8000);
1105 avio_wb32(pb, sc->video_bit_rate);
1107 // profile and level
1108 mxf_write_local_tag(pb, 1, 0x8007);
1109 if (!st->codec->profile)
1110 profile_and_level |= 0x80; // escape bit
1111 avio_w8(pb, profile_and_level);
1113 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1117 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1119 AVIOContext *pb = s->pb;
1120 MXFContext *mxf = s->priv_data;
1121 int show_warnings = !mxf->footer_partition_offset;
1122 int duration_size = 0;
1124 if (s->oformat == &ff_mxf_opatom_muxer)
1127 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1129 if (duration_size > 0){
1130 mxf_write_local_tag(pb, 8, 0x3002);
1131 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1135 mxf_write_local_tag(pb, 1, 0x3D02);
1138 // write audio sampling rate
1139 mxf_write_local_tag(pb, 8, 0x3D03);
1140 avio_wb32(pb, st->codec->sample_rate);
1143 mxf_write_local_tag(pb, 4, 0x3D07);
1144 if (mxf->channel_count == -1) {
1145 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1146 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");
1147 avio_wb32(pb, st->codec->channels);
1148 } else if (s->oformat == &ff_mxf_d10_muxer) {
1149 if (show_warnings && (mxf->channel_count < st->codec->channels))
1150 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1151 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1152 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");
1153 avio_wb32(pb, mxf->channel_count);
1155 if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1156 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1157 avio_wb32(pb, st->codec->channels);
1160 mxf_write_local_tag(pb, 4, 0x3D01);
1161 avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
1164 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1166 AVIOContext *pb = s->pb;
1168 mxf_write_generic_sound_common(s, st, key, size+6+8);
1170 mxf_write_local_tag(pb, 2, 0x3D0A);
1171 avio_wb16(pb, st->codec->block_align);
1173 // avg bytes per sec
1174 mxf_write_local_tag(pb, 4, 0x3D09);
1175 avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1178 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1180 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1183 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1185 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1188 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1190 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1193 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 };
1195 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1197 MXFContext *mxf = s->priv_data;
1198 AVIOContext *pb = s->pb;
1199 int name_size = mxf_utf16_local_tag_length(name);
1200 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1202 if (!name_size || indirect_value_size == 13)
1205 mxf_write_metadata_key(pb, 0x013f00);
1206 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1208 // write instance UID
1209 mxf_write_local_tag(pb, 16, 0x3C0A);
1210 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1213 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1215 // write indirect value
1216 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1217 avio_write(pb, mxf_indirect_value_utf16le, 17);
1218 avio_put_str16le(pb, value);
1220 mxf->tagged_value_count++;
1224 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1226 MXFContext *mxf = s->priv_data;
1227 AVDictionaryEntry *t = NULL;
1230 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1231 if (mxf->tagged_value_count >= UINT16_MAX) {
1232 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1236 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1242 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1244 MXFContext *mxf = s->priv_data;
1245 AVIOContext *pb = s->pb;
1246 int i, track_count = s->nb_streams+1;
1247 int name_size = mxf_utf16_local_tag_length(package_name);
1248 int user_comment_count = 0;
1250 if (type == MaterialPackage) {
1251 user_comment_count = mxf_write_user_comments(s, s->metadata);
1252 mxf_write_metadata_key(pb, 0x013600);
1253 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1254 klv_encode_ber_length(pb, 104 + name_size + (16*track_count) + (16*user_comment_count));
1256 mxf_write_metadata_key(pb, 0x013700);
1257 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1258 klv_encode_ber_length(pb, 124 + name_size + (16*track_count)); // 20 bytes length for descriptor reference
1262 mxf_write_local_tag(pb, 16, 0x3C0A);
1263 mxf_write_uuid(pb, type, 0);
1264 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1265 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1267 // write package umid
1268 mxf_write_local_tag(pb, 32, 0x4401);
1269 mxf_write_umid(s, type == SourcePackage);
1270 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1274 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1276 // package creation date
1277 mxf_write_local_tag(pb, 8, 0x4405);
1278 avio_wb64(pb, mxf->timestamp);
1280 // package modified date
1281 mxf_write_local_tag(pb, 8, 0x4404);
1282 avio_wb64(pb, mxf->timestamp);
1285 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1286 mxf_write_refs_count(pb, track_count);
1287 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1288 Track + TypeBottom, -1); // timecode track
1289 for (i = 0; i < s->nb_streams; i++)
1290 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1292 // write user comment refs
1293 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1294 mxf_write_refs_count(pb, user_comment_count);
1295 for (i = 0; i < user_comment_count; i++)
1296 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1298 // write multiple descriptor reference
1299 if (type == SourcePackage) {
1300 mxf_write_local_tag(pb, 16, 0x4701);
1301 if (s->nb_streams > 1) {
1302 mxf_write_uuid(pb, MultipleDescriptor, 0);
1303 mxf_write_multi_descriptor(s);
1305 mxf_write_uuid(pb, SubDescriptor, 0);
1308 // write timecode track
1309 mxf_write_track(s, mxf->timecode_track, type);
1310 mxf_write_sequence(s, mxf->timecode_track, type);
1311 mxf_write_timecode_component(s, mxf->timecode_track, type);
1313 for (i = 0; i < s->nb_streams; i++) {
1314 AVStream *st = s->streams[i];
1315 mxf_write_track(s, st, type);
1316 mxf_write_sequence(s, st, type);
1317 mxf_write_structural_component(s, st, type);
1319 if (type == SourcePackage) {
1320 MXFStreamContext *sc = st->priv_data;
1321 mxf_essence_container_uls[sc->index].write_desc(s, st);
1326 static int mxf_write_essence_container_data(AVFormatContext *s)
1328 AVIOContext *pb = s->pb;
1330 mxf_write_metadata_key(pb, 0x012300);
1331 klv_encode_ber_length(pb, 72);
1333 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1334 mxf_write_uuid(pb, EssenceContainerData, 0);
1336 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1337 mxf_write_umid(s, 1);
1339 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1342 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1348 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1350 const char *material_package_name = NULL;
1351 const char *file_package_name = NULL;
1352 AVDictionaryEntry *entry = NULL;
1353 AVStream *st = NULL;
1356 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1357 material_package_name = entry->value;
1359 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1360 file_package_name = entry->value;
1362 /* check if any of the streams contain a file_package_name */
1363 for (i = 0; i < s->nb_streams; i++) {
1365 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1366 file_package_name = entry->value;
1372 mxf_write_preface(s);
1373 mxf_write_identification(s);
1374 mxf_write_content_storage(s);
1375 mxf_write_package(s, MaterialPackage, material_package_name);
1376 mxf_write_package(s, SourcePackage, file_package_name);
1377 mxf_write_essence_container_data(s);
1381 static unsigned klv_fill_size(uint64_t size)
1383 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1384 if (pad < 20) // smallest fill item possible
1385 return pad + KAG_SIZE;
1387 return pad & (KAG_SIZE-1);
1390 static void mxf_write_index_table_segment(AVFormatContext *s)
1392 MXFContext *mxf = s->priv_data;
1393 AVIOContext *pb = s->pb;
1394 int i, j, temporal_reordering = 0;
1395 int key_index = mxf->last_key_index;
1397 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1399 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1402 avio_write(pb, index_table_segment_key, 16);
1404 if (mxf->edit_unit_byte_count) {
1405 klv_encode_ber_length(pb, 80);
1407 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1408 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1412 mxf_write_local_tag(pb, 16, 0x3C0A);
1413 mxf_write_uuid(pb, IndexTableSegment, 0);
1416 mxf_write_local_tag(pb, 8, 0x3F0B);
1417 avio_wb32(pb, mxf->time_base.den);
1418 avio_wb32(pb, mxf->time_base.num);
1420 // index start position
1421 mxf_write_local_tag(pb, 8, 0x3F0C);
1422 avio_wb64(pb, mxf->last_indexed_edit_unit);
1425 mxf_write_local_tag(pb, 8, 0x3F0D);
1426 if (mxf->edit_unit_byte_count)
1427 avio_wb64(pb, 0); // index table covers whole container
1429 avio_wb64(pb, mxf->edit_units_count);
1431 // edit unit byte count
1432 mxf_write_local_tag(pb, 4, 0x3F05);
1433 avio_wb32(pb, mxf->edit_unit_byte_count);
1436 mxf_write_local_tag(pb, 4, 0x3F06);
1440 mxf_write_local_tag(pb, 4, 0x3F07);
1443 if (!mxf->edit_unit_byte_count) {
1444 // real slice count - 1
1445 mxf_write_local_tag(pb, 1, 0x3F08);
1446 avio_w8(pb, mxf->slice_count);
1448 // delta entry array
1449 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1450 avio_wb32(pb, s->nb_streams+1); // num of entries
1451 avio_wb32(pb, 6); // size of one entry
1452 // write system item delta entry
1454 avio_w8(pb, 0); // slice entry
1455 avio_wb32(pb, 0); // element delta
1456 for (i = 0; i < s->nb_streams; i++) {
1457 AVStream *st = s->streams[i];
1458 MXFStreamContext *sc = st->priv_data;
1459 avio_w8(pb, sc->temporal_reordering);
1460 if (sc->temporal_reordering)
1461 temporal_reordering = 1;
1462 if (i == 0) { // video track
1463 avio_w8(pb, 0); // slice number
1464 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1465 } else { // audio track
1466 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1467 audio_frame_size += klv_fill_size(audio_frame_size);
1469 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1473 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1474 avio_wb32(pb, mxf->edit_units_count); // num of entries
1475 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1477 for (i = 0; i < mxf->edit_units_count; i++) {
1478 int temporal_offset = 0;
1480 if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1481 mxf->last_key_index = key_index;
1485 if (temporal_reordering) {
1486 int pic_num_in_gop = i - key_index;
1487 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1488 for (j = key_index; j < mxf->edit_units_count; j++) {
1489 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1492 if (j == mxf->edit_units_count)
1493 av_log(s, AV_LOG_WARNING, "missing frames\n");
1494 temporal_offset = j - key_index - pic_num_in_gop;
1497 avio_w8(pb, temporal_offset);
1499 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1500 avio_w8(pb, mxf->last_key_index - i);
1502 avio_w8(pb, key_index - i); // key frame offset
1503 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1504 mxf->last_key_index = key_index;
1507 if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1508 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1509 mxf->index_entries[i].flags |= 0x80; // random access
1510 avio_w8(pb, mxf->index_entries[i].flags);
1512 avio_wb64(pb, mxf->index_entries[i].offset);
1513 if (s->nb_streams > 1)
1514 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1517 mxf->last_key_index = key_index - mxf->edit_units_count;
1518 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1519 mxf->edit_units_count = 0;
1523 static void mxf_write_klv_fill(AVFormatContext *s)
1525 unsigned pad = klv_fill_size(avio_tell(s->pb));
1527 avio_write(s->pb, klv_fill_key, 16);
1529 klv_encode_ber4_length(s->pb, pad);
1530 ffio_fill(s->pb, 0, pad);
1531 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1535 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1537 const uint8_t *key, int write_metadata)
1539 MXFContext *mxf = s->priv_data;
1540 AVIOContext *pb = s->pb;
1541 int64_t header_byte_count_offset;
1542 unsigned index_byte_count = 0;
1543 uint64_t partition_offset = avio_tell(pb);
1546 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1547 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1548 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1549 else if (mxf->edit_unit_byte_count && indexsid)
1550 index_byte_count = 80;
1552 if (index_byte_count) {
1553 // add encoded ber length
1554 index_byte_count += 16 + klv_ber_length(index_byte_count);
1555 index_byte_count += klv_fill_size(index_byte_count);
1558 if (key && !memcmp(key, body_partition_key, 16)) {
1559 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1560 sizeof(*mxf->body_partition_offset))) < 0) {
1561 mxf->body_partitions_count = 0;
1564 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1569 avio_write(pb, key, 16);
1571 avio_write(pb, body_partition_key, 16);
1573 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1575 // write partition value
1576 avio_wb16(pb, 1); // majorVersion
1577 avio_wb16(pb, 2); // minorVersion
1578 avio_wb32(pb, KAG_SIZE); // KAGSize
1580 avio_wb64(pb, partition_offset); // ThisPartition
1582 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1583 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1584 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1585 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1589 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1592 header_byte_count_offset = avio_tell(pb);
1593 avio_wb64(pb, 0); // headerByteCount, update later
1596 avio_wb64(pb, index_byte_count); // indexByteCount
1597 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1600 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1601 avio_wb64(pb, mxf->body_offset);
1605 avio_wb32(pb, bodysid); // bodySID
1607 // operational pattern
1608 if (s->oformat == &ff_mxf_opatom_muxer)
1609 avio_write(pb, opatom_ul, 16);
1611 avio_write(pb, op1a_ul, 16);
1613 // essence container
1614 mxf_write_essence_container_refs(s);
1616 if (write_metadata) {
1617 // mark the start of the headermetadata and calculate metadata size
1619 unsigned header_byte_count;
1621 mxf_write_klv_fill(s);
1622 start = avio_tell(s->pb);
1623 mxf_write_primer_pack(s);
1624 mxf_write_header_metadata_sets(s);
1625 pos = avio_tell(s->pb);
1626 header_byte_count = pos - start + klv_fill_size(pos);
1628 // update header_byte_count
1629 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1630 avio_wb64(pb, header_byte_count);
1631 avio_seek(pb, pos, SEEK_SET);
1640 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1643 MXFContext *mxf = s->priv_data;
1644 MXFStreamContext *sc = st->priv_data;
1646 uint8_t* header_cid;
1649 if (mxf->header_written)
1655 header_cid = pkt->data + 0x28;
1656 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1658 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1660 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1661 return AVERROR_INVALIDDATA;
1666 sc->component_depth = 10;
1676 sc->component_depth = 10;
1686 sc->component_depth = 10;
1701 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1702 sc->aspect_ratio = (AVRational){ 16, 9 };
1704 if(s->oformat == &ff_mxf_opatom_muxer){
1705 mxf->edit_unit_byte_count = frame_size;
1709 mxf->edit_unit_byte_count = KAG_SIZE;
1710 for (i = 0; i < s->nb_streams; i++) {
1711 AVStream *st = s->streams[i];
1712 MXFStreamContext *sc = st->priv_data;
1713 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1714 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1715 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1716 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1717 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1718 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1725 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1727 MXFContext *mxf = s->priv_data;
1728 MXFStreamContext *sc = st->priv_data;
1729 uint8_t *vs_pack, *vsc_pack;
1730 int i, ul_index, frame_size, stype, pal;
1732 if (mxf->header_written)
1735 // Check for minimal frame size
1736 if (pkt->size < 120000)
1739 vs_pack = pkt->data + 80*5 + 48;
1740 vsc_pack = pkt->data + 80*5 + 53;
1741 stype = vs_pack[3] & 0x1f;
1742 pal = (vs_pack[3] >> 5) & 0x1;
1744 if ((vs_pack[2] & 0x07) == 0x02)
1745 sc->aspect_ratio = (AVRational){ 16, 9 };
1747 sc->aspect_ratio = (AVRational){ 4, 3 };
1749 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1750 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1751 // and set field dominance accordingly
1752 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1755 case 0x18: // DV100 720p
1757 frame_size = pal ? 288000 : 240000;
1758 if (sc->interlaced) {
1759 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1763 case 0x14: // DV100 1080i
1765 frame_size = pal ? 576000 : 480000;
1769 frame_size = pal ? 288000 : 240000;
1773 frame_size = pal ? 144000 : 120000;
1776 sc->index = ul_index + 16;
1777 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1779 if(s->oformat == &ff_mxf_opatom_muxer) {
1780 mxf->edit_unit_byte_count = frame_size;
1784 mxf->edit_unit_byte_count = KAG_SIZE;
1785 for (i = 0; i < s->nb_streams; i++) {
1786 AVStream *st = s->streams[i];
1787 MXFStreamContext *sc = st->priv_data;
1788 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1789 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1790 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1791 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1792 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1793 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1800 static const struct {
1805 } mxf_h264_codec_uls[] = {
1806 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1807 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1808 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1809 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1810 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1811 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1812 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1813 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1814 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1815 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1816 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1817 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1818 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1819 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1822 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1823 AVPacket *pkt, MXFIndexEntry *e)
1825 MXFContext *mxf = s->priv_data;
1826 MXFStreamContext *sc = st->priv_data;
1827 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1828 const uint8_t *buf = pkt->data;
1829 const uint8_t *buf_end = pkt->data + pkt->size;
1830 uint32_t state = -1;
1831 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1835 if (pkt->size > extra_size)
1836 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1839 buf = avpriv_find_start_code(buf, buf_end, &state);
1843 switch (state & 0x1f) {
1845 st->codec->profile = buf[1];
1849 if (e->flags & 0x40) { // sequence header present
1850 e->flags |= 0x80; // random access
1860 if (mxf->header_written)
1863 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1864 sc->component_depth = 10; // AVC Intra is always 10 Bit
1865 sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1867 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1870 frame_size = pkt->size + extra_size;
1871 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1872 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1873 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1875 } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1876 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1882 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1889 static const UID mxf_mpeg2_codec_uls[] = {
1890 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1891 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1892 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1893 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1894 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1895 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1896 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1897 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1898 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1899 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1902 static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
1904 int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1906 if (avctx->profile == 4) { // Main
1907 if (avctx->level == 8) // Main
1908 return &mxf_mpeg2_codec_uls[0+long_gop];
1909 else if (avctx->level == 4) // High
1910 return &mxf_mpeg2_codec_uls[4+long_gop];
1911 else if (avctx->level == 6) // High 14
1912 return &mxf_mpeg2_codec_uls[8+long_gop];
1913 } else if (avctx->profile == 0) { // 422
1914 if (avctx->level == 5) // Main
1915 return &mxf_mpeg2_codec_uls[2+long_gop];
1916 else if (avctx->level == 2) // High
1917 return &mxf_mpeg2_codec_uls[6+long_gop];
1922 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1923 AVPacket *pkt, MXFIndexEntry *e)
1925 MXFStreamContext *sc = st->priv_data;
1929 for(i = 0; i < pkt->size - 4; i++) {
1930 c = (c<<8) + pkt->data[i];
1932 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1933 st->codec->profile = pkt->data[i+1] & 0x07;
1934 st->codec->level = pkt->data[i+2] >> 4;
1935 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1936 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1938 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1941 } else if (c == 0x1b8) { // gop
1942 if (pkt->data[i+4]>>6 & 0x01) { // closed
1944 if (e->flags & 0x40) // sequence header present
1945 e->flags |= 0x80; // random access
1947 } else if (c == 0x1b3) { // seq
1949 switch ((pkt->data[i+4]>>4) & 0xf) {
1950 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1951 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1952 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1954 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1955 st->codec->width, st->codec->height, 1024*1024);
1957 } else if (c == 0x100) { // pic
1958 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1959 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1960 if (pict_type == 2) { // P frame
1962 sc->closed_gop = 0; // reset closed gop, don't matter anymore
1963 } else if (pict_type == 3) { // B frame
1965 e->flags |= 0x13; // only backward prediction
1968 sc->temporal_reordering = -1;
1969 } else if (!pict_type) {
1970 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1975 if (s->oformat != &ff_mxf_d10_muxer)
1976 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
1977 return !!sc->codec_ul;
1980 static uint64_t mxf_parse_timestamp(time_t timestamp)
1983 struct tm *time = gmtime_r(×tamp, &tmbuf);
1986 return (uint64_t)(time->tm_year+1900) << 48 |
1987 (uint64_t)(time->tm_mon+1) << 40 |
1988 (uint64_t) time->tm_mday << 32 |
1989 time->tm_hour << 24 |
1990 time->tm_min << 16 |
1994 static void mxf_gen_umid(AVFormatContext *s)
1996 MXFContext *mxf = s->priv_data;
1997 uint32_t seed = av_get_random_seed();
1998 uint64_t umid = seed + 0x5294713400000000LL;
2000 AV_WB64(mxf->umid , umid);
2001 AV_WB64(mxf->umid+8, umid>>8);
2003 mxf->instance_number = seed & 0xFFFFFF;
2006 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2008 MXFContext *mxf = s->priv_data;
2009 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2011 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2014 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2016 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2019 static int mxf_write_header(AVFormatContext *s)
2021 MXFContext *mxf = s->priv_data;
2023 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2024 const MXFSamplesPerFrame *spf = NULL;
2025 AVDictionaryEntry *t;
2026 int64_t timestamp = 0;
2031 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2032 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2036 for (i = 0; i < s->nb_streams; i++) {
2037 AVStream *st = s->streams[i];
2038 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2040 return AVERROR(ENOMEM);
2043 if (((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2044 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2048 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2049 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codec->pix_fmt);
2050 // TODO: should be avg_frame_rate
2051 AVRational rate, tbc = st->time_base;
2052 // Default component depth to 8
2053 sc->component_depth = 8;
2054 sc->h_chroma_sub_sample = 2;
2055 sc->color_siting = 0xFF;
2058 sc->component_depth = pix_desc->comp[0].depth_minus1 + 1;
2059 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2061 switch (ff_choose_chroma_location(s, st)) {
2062 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2063 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2064 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2065 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2068 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2069 spf = ff_mxf_get_samples_per_frame(s, tbc);
2071 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2073 return AVERROR(EINVAL);
2075 mxf->time_base = spf->time_base;
2076 rate = av_inv_q(mxf->time_base);
2077 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2078 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2081 sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
2082 if (s->oformat == &ff_mxf_d10_muxer) {
2083 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2085 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2087 } else if (sc->video_bit_rate == 40000000) {
2088 if (mxf->time_base.den == 25) sc->index = 7;
2090 } else if (sc->video_bit_rate == 30000000) {
2091 if (mxf->time_base.den == 25) sc->index = 11;
2092 else sc->index = 13;
2094 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2098 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2099 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2100 mxf->time_base.num / (8*mxf->time_base.den);
2101 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2102 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2103 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2105 sc->signal_standard = 1;
2107 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2108 if (st->codec->sample_rate != 48000) {
2109 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2112 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
2113 if (s->oformat == &ff_mxf_d10_muxer) {
2114 if (st->index != 1) {
2115 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2118 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2119 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2120 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2122 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2123 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2124 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2126 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2127 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2128 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2129 return AVERROR_PATCHWELCOME;
2131 if (st->codec->channels != 1) {
2132 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2133 return AVERROR(EINVAL);
2136 spf = ff_mxf_get_samples_per_frame(s, tbc);
2138 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2139 return AVERROR(EINVAL);
2142 mxf->time_base = st->time_base;
2143 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2146 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2147 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
2150 mxf->slice_count = 1;
2155 sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
2156 if (sc->index == -1) {
2157 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2158 "codec not currently supported in container\n", i);
2163 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2165 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2166 sc->track_essence_element_key[15] = present[sc->index];
2167 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2169 if (!present[sc->index])
2170 mxf->essence_container_count++;
2171 present[sc->index]++;
2174 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2175 mxf->essence_container_count = 1;
2178 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2181 for (i = 0; i < s->nb_streams; i++) {
2182 MXFStreamContext *sc = s->streams[i]->priv_data;
2183 // update element count
2184 sc->track_essence_element_key[13] = present[sc->index];
2185 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2186 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2188 sc->order = AV_RB32(sc->track_essence_element_key+12);
2191 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2192 timestamp = ff_iso8601_to_unix_time(t->value);
2194 mxf->timestamp = mxf_parse_timestamp(timestamp);
2197 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2198 if (!mxf->timecode_track)
2199 return AVERROR(ENOMEM);
2200 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2201 if (!mxf->timecode_track->priv_data)
2202 return AVERROR(ENOMEM);
2203 mxf->timecode_track->index = -1;
2206 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2208 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2214 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2215 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 };
2217 static void mxf_write_system_item(AVFormatContext *s)
2219 MXFContext *mxf = s->priv_data;
2220 AVIOContext *pb = s->pb;
2224 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2226 // write system metadata pack
2227 avio_write(pb, system_metadata_pack_key, 16);
2228 klv_encode_ber4_length(pb, 57);
2229 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2230 avio_w8(pb, 0x04); // content package rate
2231 avio_w8(pb, 0x00); // content package type
2232 avio_wb16(pb, 0x00); // channel handle
2233 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2234 if (mxf->essence_container_count > 1)
2235 avio_write(pb, multiple_desc_ul, 16);
2237 MXFStreamContext *sc = s->streams[0]->priv_data;
2238 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2242 avio_wb64(pb, 0); // creation date/time stamp
2244 avio_w8(pb, 0x81); // SMPTE 12M time code
2245 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2246 avio_wb32(pb, time_code);
2247 avio_wb32(pb, 0); // binary group data
2250 // write system metadata package set
2251 avio_write(pb, system_metadata_package_set_key, 16);
2252 klv_encode_ber4_length(pb, 35);
2253 avio_w8(pb, 0x83); // UMID
2254 avio_wb16(pb, 0x20);
2255 mxf_write_umid(s, 1);
2258 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2260 MXFContext *mxf = s->priv_data;
2261 AVIOContext *pb = s->pb;
2262 MXFStreamContext *sc = st->priv_data;
2263 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2264 (8*mxf->time_base.den); // frame size
2267 packet_size += 16 + 4;
2268 packet_size += klv_fill_size(packet_size);
2270 klv_encode_ber4_length(pb, pkt->size);
2271 avio_write(pb, pkt->data, pkt->size);
2273 // ensure CBR muxing by padding to correct video frame size
2274 pad = packet_size - pkt->size - 16 - 4;
2276 avio_write(s->pb, klv_fill_key, 16);
2278 klv_encode_ber4_length(s->pb, pad);
2279 ffio_fill(s->pb, 0, pad);
2280 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2282 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2283 ffio_fill(s->pb, 0, pad);
2287 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2289 MXFContext *mxf = s->priv_data;
2290 AVIOContext *pb = s->pb;
2291 int frame_size = pkt->size / st->codec->block_align;
2292 uint8_t *samples = pkt->data;
2293 uint8_t *end = pkt->data + pkt->size;
2296 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2298 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2299 avio_wl16(pb, frame_size);
2300 avio_w8(pb, (1<<st->codec->channels)-1);
2302 while (samples < end) {
2303 for (i = 0; i < st->codec->channels; i++) {
2305 if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2306 sample = AV_RL24(samples)<< 4;
2309 sample = AV_RL16(samples)<<12;
2312 avio_wl32(pb, sample | i);
2319 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2321 MXFContext *mxf = s->priv_data;
2322 AVIOContext *pb = s->pb;
2323 AVStream *st = s->streams[0];
2324 MXFStreamContext *sc = st->priv_data;
2325 const uint8_t *key = NULL;
2329 if (!mxf->header_written)
2330 key = body_partition_key;
2332 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2334 mxf_write_klv_fill(s);
2335 avio_write(pb, sc->track_essence_element_key, 16);
2336 klv_encode_ber9_length(pb, mxf->body_offset);
2340 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2342 MXFContext *mxf = s->priv_data;
2343 AVIOContext *pb = s->pb;
2347 if (!mxf->header_written) {
2348 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2350 mxf_write_klv_fill(s);
2352 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2354 mxf->header_written = 1;
2357 if (!mxf->edit_unit_byte_count) {
2358 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2359 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2360 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2362 mxf->edit_units_count++;
2363 avio_write(pb, pkt->data, pkt->size);
2364 mxf->body_offset += pkt->size;
2370 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2372 MXFContext *mxf = s->priv_data;
2373 AVIOContext *pb = s->pb;
2374 AVStream *st = s->streams[pkt->stream_index];
2375 MXFStreamContext *sc = st->priv_data;
2376 MXFIndexEntry ie = {0};
2379 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2380 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2381 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2382 mxf->edit_units_count = 0;
2383 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2388 if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2389 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2390 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2393 } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2394 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2395 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2398 } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2399 if (!mxf_parse_dv_frame(s, st, pkt)) {
2400 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2403 } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2404 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2405 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2410 if (s->oformat == &ff_mxf_opatom_muxer)
2411 return mxf_write_opatom_packet(s, pkt, &ie);
2413 if (!mxf->header_written) {
2414 if (mxf->edit_unit_byte_count) {
2415 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2417 mxf_write_klv_fill(s);
2418 mxf_write_index_table_segment(s);
2420 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2423 mxf->header_written = 1;
2426 if (st->index == 0) {
2427 if (!mxf->edit_unit_byte_count &&
2428 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2429 !(ie.flags & 0x33)) { // I frame, Gop start
2430 mxf_write_klv_fill(s);
2431 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2433 mxf_write_klv_fill(s);
2434 mxf_write_index_table_segment(s);
2437 mxf_write_klv_fill(s);
2438 mxf_write_system_item(s);
2440 if (!mxf->edit_unit_byte_count) {
2441 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2442 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2443 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2444 mxf->body_offset += KAG_SIZE; // size of system element
2446 mxf->edit_units_count++;
2447 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2448 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2449 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2452 mxf_write_klv_fill(s);
2453 avio_write(pb, sc->track_essence_element_key, 16); // write key
2454 if (s->oformat == &ff_mxf_d10_muxer) {
2455 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2456 mxf_write_d10_video_packet(s, st, pkt);
2458 mxf_write_d10_audio_packet(s, st, pkt);
2460 klv_encode_ber4_length(pb, pkt->size); // write length
2461 avio_write(pb, pkt->data, pkt->size);
2462 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2470 static void mxf_write_random_index_pack(AVFormatContext *s)
2472 MXFContext *mxf = s->priv_data;
2473 AVIOContext *pb = s->pb;
2474 uint64_t pos = avio_tell(pb);
2477 avio_write(pb, random_index_pack_key, 16);
2478 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2480 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2481 avio_wb32(pb, 1); // BodySID of header partition
2484 avio_wb64(pb, 0); // offset of header partition
2486 for (i = 0; i < mxf->body_partitions_count; i++) {
2487 avio_wb32(pb, 1); // BodySID
2488 avio_wb64(pb, mxf->body_partition_offset[i]);
2491 avio_wb32(pb, 0); // BodySID of footer partition
2492 avio_wb64(pb, mxf->footer_partition_offset);
2494 avio_wb32(pb, avio_tell(pb) - pos + 4);
2497 static int mxf_write_footer(AVFormatContext *s)
2499 MXFContext *mxf = s->priv_data;
2500 AVIOContext *pb = s->pb;
2503 if (!mxf->header_written ||
2504 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2505 /* reason could be invalid options/not supported codec/out of memory */
2506 err = AVERROR_UNKNOWN;
2510 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2512 mxf_write_klv_fill(s);
2513 mxf->footer_partition_offset = avio_tell(pb);
2514 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2515 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2518 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2520 mxf_write_klv_fill(s);
2521 mxf_write_index_table_segment(s);
2524 mxf_write_klv_fill(s);
2525 mxf_write_random_index_pack(s);
2527 if (s->pb->seekable) {
2528 if (s->oformat == &ff_mxf_opatom_muxer){
2529 /* rewrite body partition to update lengths */
2530 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2531 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2535 avio_seek(pb, 0, SEEK_SET);
2536 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2537 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2539 mxf_write_klv_fill(s);
2540 mxf_write_index_table_segment(s);
2542 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2548 ff_audio_interleave_close(s);
2550 av_freep(&mxf->index_entries);
2551 av_freep(&mxf->body_partition_offset);
2552 av_freep(&mxf->timecode_track->priv_data);
2553 av_freep(&mxf->timecode_track);
2557 return err < 0 ? err : 0;
2560 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2562 int i, stream_count = 0;
2564 for (i = 0; i < s->nb_streams; i++)
2565 stream_count += !!s->streams[i]->last_in_packet_buffer;
2567 if (stream_count && (s->nb_streams == stream_count || flush)) {
2568 AVPacketList *pktl = s->internal->packet_buffer;
2569 if (s->nb_streams != stream_count) {
2570 AVPacketList *last = NULL;
2571 // find last packet in edit unit
2573 if (!stream_count || pktl->pkt.stream_index == 0)
2579 // purge packet queue
2581 AVPacketList *next = pktl->next;
2583 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2584 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2585 av_free_packet(&pktl->pkt);
2592 s->internal->packet_buffer = NULL;
2593 s->internal->packet_buffer_end= NULL;
2596 pktl = s->internal->packet_buffer;
2600 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2601 s->internal->packet_buffer = pktl->next;
2602 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2603 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2604 if(!s->internal->packet_buffer)
2605 s->internal->packet_buffer_end= NULL;
2610 av_init_packet(out);
2615 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2617 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2618 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2620 return next->dts > pkt->dts ||
2621 (next->dts == pkt->dts && sc->order < sc2->order);
2624 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2626 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2627 mxf_interleave_get_packet, mxf_compare_timestamps);
2630 static const AVOption d10_options[] = {
2631 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2632 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2636 static const AVClass mxf_d10_muxer_class = {
2637 .class_name = "MXF-D10 muxer",
2638 .item_name = av_default_item_name,
2639 .option = d10_options,
2640 .version = LIBAVUTIL_VERSION_INT,
2643 static const AVOption opatom_options[] = {
2644 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2645 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2649 static const AVClass mxf_opatom_muxer_class = {
2650 .class_name = "MXF-OPAtom muxer",
2651 .item_name = av_default_item_name,
2652 .option = opatom_options,
2653 .version = LIBAVUTIL_VERSION_INT,
2656 AVOutputFormat ff_mxf_muxer = {
2658 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2659 .mime_type = "application/mxf",
2660 .extensions = "mxf",
2661 .priv_data_size = sizeof(MXFContext),
2662 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2663 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2664 .write_header = mxf_write_header,
2665 .write_packet = mxf_write_packet,
2666 .write_trailer = mxf_write_footer,
2667 .flags = AVFMT_NOTIMESTAMPS,
2668 .interleave_packet = mxf_interleave,
2671 AVOutputFormat ff_mxf_d10_muxer = {
2673 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2674 .mime_type = "application/mxf",
2675 .priv_data_size = sizeof(MXFContext),
2676 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2677 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2678 .write_header = mxf_write_header,
2679 .write_packet = mxf_write_packet,
2680 .write_trailer = mxf_write_footer,
2681 .flags = AVFMT_NOTIMESTAMPS,
2682 .interleave_packet = mxf_interleave,
2683 .priv_class = &mxf_d10_muxer_class,
2686 AVOutputFormat ff_mxf_opatom_muxer = {
2687 .name = "mxf_opatom",
2688 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2689 .mime_type = "application/mxf",
2690 .extensions = "mxf",
2691 .priv_data_size = sizeof(MXFContext),
2692 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2693 .video_codec = AV_CODEC_ID_DNXHD,
2694 .write_header = mxf_write_header,
2695 .write_packet = mxf_write_packet,
2696 .write_trailer = mxf_write_footer,
2697 .flags = AVFMT_NOTIMESTAMPS,
2698 .interleave_packet = mxf_interleave,
2699 .priv_class = &mxf_opatom_muxer_class,