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
320 uint32_t tagged_value_count;
321 AVRational audio_edit_rate;
324 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
325 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
328 * complete key for operation pattern, partitions, and primer pack
330 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
331 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
332 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
333 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
334 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
335 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
336 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
337 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
338 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
339 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
342 * partial key for header metadata
344 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
345 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
348 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
350 static const MXFLocalTagPair mxf_local_tag_batch[] = {
352 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
353 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
354 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
355 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
356 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
357 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
358 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
359 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
361 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
362 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
363 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
364 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
365 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
366 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
368 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
369 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
370 // Essence Container Data
371 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
372 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
374 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
375 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
376 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
377 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
378 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
379 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
380 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
382 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
383 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
384 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
385 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
386 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
388 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
389 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
390 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
392 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
393 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
394 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
395 // Timecode Component
396 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
397 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
398 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
400 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
401 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
403 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
404 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
405 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
406 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
407 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
408 // Generic Picture Essence Descriptor
409 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
410 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
411 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
412 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
413 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
414 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
415 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
416 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
417 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
418 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
419 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
420 // CDCI Picture Essence Descriptor
421 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
422 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
423 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
424 // Generic Sound Essence Descriptor
425 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
426 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
427 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
428 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
429 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
430 // Index Table Segment
431 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
432 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
433 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
434 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
435 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
436 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
437 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
438 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
439 // MPEG video Descriptor
440 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
441 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
442 // Wave Audio Essence Descriptor
443 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
444 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
447 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
449 avio_write(pb, uuid_base, 12);
451 avio_wb16(pb, value);
454 static void mxf_write_umid(AVFormatContext *s, int type)
456 MXFContext *mxf = s->priv_data;
457 avio_write(s->pb, umid_ul, 13);
458 avio_wb24(s->pb, mxf->instance_number);
459 avio_write(s->pb, mxf->umid, 15);
460 avio_w8(s->pb, type);
463 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
465 avio_wb32(pb, ref_count);
469 static int klv_ber_length(uint64_t len)
474 return (av_log2(len) >> 3) + 2;
477 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
479 // Determine the best BER size
487 size = (av_log2(len) >> 3) + 1;
490 avio_w8(pb, 0x80 + size);
493 avio_w8(pb, len >> 8 * size & 0xff);
498 static void klv_encode_ber4_length(AVIOContext *pb, int len)
500 avio_w8(pb, 0x80 + 3);
504 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
506 avio_w8(pb, 0x80 + 8);
511 * Get essence container ul index
513 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
516 for (i = 0; mxf_essence_mappings[i].id; i++)
517 if (mxf_essence_mappings[i].id == id)
518 return mxf_essence_mappings[i].index;
522 static void mxf_write_primer_pack(AVFormatContext *s)
524 AVIOContext *pb = s->pb;
525 int local_tag_number, i = 0;
527 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
529 avio_write(pb, primer_pack_key, 16);
530 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
532 avio_wb32(pb, local_tag_number); // local_tag num
533 avio_wb32(pb, 18); // item size, always 18 according to the specs
535 for (i = 0; i < local_tag_number; i++) {
536 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
537 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
541 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
547 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
549 avio_write(pb, header_metadata_key, 13);
550 avio_wb24(pb, value);
553 static void mxf_free(AVFormatContext *s)
557 for (i = 0; i < s->nb_streams; i++) {
558 AVStream *st = s->streams[i];
559 av_freep(&st->priv_data);
563 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
565 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
566 while (uls->uid[0]) {
574 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
575 #define DESCRIPTOR_COUNT(essence_container_count) \
576 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
578 static void mxf_write_essence_container_refs(AVFormatContext *s)
580 MXFContext *c = s->priv_data;
581 AVIOContext *pb = s->pb;
584 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
585 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
586 for (i = 0; i < c->essence_container_count; i++) {
587 MXFStreamContext *sc = s->streams[i]->priv_data;
588 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
591 if (c->essence_container_count > 1)
592 avio_write(pb, multiple_desc_ul, 16);
595 static void mxf_write_preface(AVFormatContext *s)
597 MXFContext *mxf = s->priv_data;
598 AVIOContext *pb = s->pb;
600 mxf_write_metadata_key(pb, 0x012f00);
601 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
602 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
604 // write preface set uid
605 mxf_write_local_tag(pb, 16, 0x3C0A);
606 mxf_write_uuid(pb, Preface, 0);
607 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
609 // last modified date
610 mxf_write_local_tag(pb, 8, 0x3B02);
611 avio_wb64(pb, mxf->timestamp);
614 mxf_write_local_tag(pb, 2, 0x3B05);
615 avio_wb16(pb, 258); // v1.2
617 // write identification_refs
618 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
619 mxf_write_refs_count(pb, 1);
620 mxf_write_uuid(pb, Identification, 0);
622 // write content_storage_refs
623 mxf_write_local_tag(pb, 16, 0x3B03);
624 mxf_write_uuid(pb, ContentStorage, 0);
626 // operational pattern
627 mxf_write_local_tag(pb, 16, 0x3B09);
628 if (s->oformat == &ff_mxf_opatom_muxer)
629 avio_write(pb, opatom_ul, 16);
631 avio_write(pb, op1a_ul, 16);
633 // write essence_container_refs
634 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
635 mxf_write_essence_container_refs(s);
637 // write dm_scheme_refs
638 mxf_write_local_tag(pb, 8, 0x3B0B);
643 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
644 * from decoding the utf-8 string.
646 static uint64_t mxf_utf16len(const char *utf8_str)
648 const uint8_t *q = utf8_str;
652 GET_UTF8(ch, *q++, goto invalid;)
659 av_log(NULL, AV_LOG_ERROR, "Invaid UTF8 sequence in mxf_utf16len\n\n");
666 * Returns the calculated length a local tag containing an utf-8 string as utf-16
668 static int mxf_utf16_local_tag_length(const char *utf8_str)
675 size = mxf_utf16len(utf8_str);
676 if (size >= UINT16_MAX/2) {
677 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
685 * Write a local tag containing an utf-8 string as utf-16
687 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
689 uint64_t size = mxf_utf16len(value);
691 if (size >= UINT16_MAX/2) {
692 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
696 mxf_write_local_tag(pb, size*2, tag);
697 avio_put_str16be(pb, value);
700 static void mxf_write_identification(AVFormatContext *s)
702 MXFContext *mxf = s->priv_data;
703 AVIOContext *pb = s->pb;
704 const char *company = "FFmpeg";
705 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
709 mxf_write_metadata_key(pb, 0x013000);
710 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
712 version = s->flags & AVFMT_FLAG_BITEXACT ?
713 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
714 length = 72 + mxf_utf16_local_tag_length(company) +
715 mxf_utf16_local_tag_length(product) +
716 mxf_utf16_local_tag_length(version);
717 klv_encode_ber_length(pb, length);
720 mxf_write_local_tag(pb, 16, 0x3C0A);
721 mxf_write_uuid(pb, Identification, 0);
722 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
724 // write generation uid
725 mxf_write_local_tag(pb, 16, 0x3C09);
726 mxf_write_uuid(pb, Identification, 1);
727 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
728 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
729 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
732 mxf_write_local_tag(pb, 16, 0x3C05);
733 mxf_write_uuid(pb, Identification, 2);
736 mxf_write_local_tag(pb, 8, 0x3C06);
737 avio_wb64(pb, mxf->timestamp);
740 static void mxf_write_content_storage(AVFormatContext *s)
742 AVIOContext *pb = s->pb;
744 mxf_write_metadata_key(pb, 0x011800);
745 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
746 klv_encode_ber_length(pb, 92);
749 mxf_write_local_tag(pb, 16, 0x3C0A);
750 mxf_write_uuid(pb, ContentStorage, 0);
751 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
753 // write package reference
754 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
755 mxf_write_refs_count(pb, 2);
756 mxf_write_uuid(pb, MaterialPackage, 0);
757 mxf_write_uuid(pb, SourcePackage, 0);
759 // write essence container data
760 mxf_write_local_tag(pb, 8 + 16, 0x1902);
761 mxf_write_refs_count(pb, 1);
762 mxf_write_uuid(pb, EssenceContainerData, 0);
765 static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
767 MXFContext *mxf = s->priv_data;
768 AVIOContext *pb = s->pb;
769 MXFStreamContext *sc = st->priv_data;
771 mxf_write_metadata_key(pb, 0x013b00);
772 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
773 klv_encode_ber_length(pb, 80);
776 mxf_write_local_tag(pb, 16, 0x3C0A);
777 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
778 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
781 mxf_write_local_tag(pb, 4, 0x4801);
782 avio_wb32(pb, st->index+2);
784 // write track number
785 mxf_write_local_tag(pb, 4, 0x4804);
786 if (type == MaterialPackage)
787 avio_wb32(pb, 0); // track number of material package is 0
789 avio_write(pb, sc->track_essence_element_key + 12, 4);
791 mxf_write_local_tag(pb, 8, 0x4B01);
793 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
794 avio_wb32(pb, mxf->tc.rate.num);
795 avio_wb32(pb, mxf->tc.rate.den);
797 avio_wb32(pb, mxf->time_base.den);
798 avio_wb32(pb, mxf->time_base.num);
802 mxf_write_local_tag(pb, 8, 0x4B02);
805 // write sequence refs
806 mxf_write_local_tag(pb, 16, 0x4803);
807 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
810 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 };
812 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
814 MXFContext *mxf = s->priv_data;
815 AVIOContext *pb = s->pb;
817 // find data define uls
818 mxf_write_local_tag(pb, 16, 0x0201);
819 if (st == mxf->timecode_track)
820 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
822 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
823 avio_write(pb, data_def_ul->uid, 16);
827 mxf_write_local_tag(pb, 8, 0x0202);
829 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
830 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
832 avio_wb64(pb, mxf->duration);
836 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
838 MXFContext *mxf = s->priv_data;
839 AVIOContext *pb = s->pb;
840 enum MXFMetadataSetType component;
842 mxf_write_metadata_key(pb, 0x010f00);
843 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
844 klv_encode_ber_length(pb, 80);
846 mxf_write_local_tag(pb, 16, 0x3C0A);
847 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
849 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
850 mxf_write_common_fields(s, st);
852 // write structural component
853 mxf_write_local_tag(pb, 16 + 8, 0x1001);
854 mxf_write_refs_count(pb, 1);
855 if (st == mxf->timecode_track)
856 component = TimecodeComponent;
858 component = SourceClip;
859 if (type == SourcePackage)
860 component += TypeBottom;
861 mxf_write_uuid(pb, component, st->index);
864 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
866 MXFContext *mxf = s->priv_data;
867 AVIOContext *pb = s->pb;
869 mxf_write_metadata_key(pb, 0x011400);
870 klv_encode_ber_length(pb, 75);
873 mxf_write_local_tag(pb, 16, 0x3C0A);
874 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
875 TimecodeComponent + TypeBottom, st->index);
877 mxf_write_common_fields(s, st);
880 mxf_write_local_tag(pb, 8, 0x1501);
881 avio_wb64(pb, mxf->tc.start);
883 // Rounded Time Code Base
884 mxf_write_local_tag(pb, 2, 0x1502);
885 avio_wb16(pb, mxf->timecode_base);
888 mxf_write_local_tag(pb, 1, 0x1503);
889 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
892 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
894 AVIOContext *pb = s->pb;
897 mxf_write_metadata_key(pb, 0x011100);
898 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
899 klv_encode_ber_length(pb, 108);
902 mxf_write_local_tag(pb, 16, 0x3C0A);
903 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
905 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
906 mxf_write_common_fields(s, st);
908 // write start_position
909 mxf_write_local_tag(pb, 8, 0x1201);
912 // write source package uid, end of the reference
913 mxf_write_local_tag(pb, 32, 0x1101);
914 if (type == SourcePackage) {
915 for (i = 0; i < 4; i++)
918 mxf_write_umid(s, 1);
920 // write source track id
921 mxf_write_local_tag(pb, 4, 0x1102);
922 if (type == SourcePackage)
925 avio_wb32(pb, st->index+2);
928 static void mxf_write_multi_descriptor(AVFormatContext *s)
930 MXFContext *mxf = s->priv_data;
931 AVIOContext *pb = s->pb;
935 mxf_write_metadata_key(pb, 0x014400);
936 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
937 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
939 mxf_write_local_tag(pb, 16, 0x3C0A);
940 mxf_write_uuid(pb, MultipleDescriptor, 0);
941 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
944 mxf_write_local_tag(pb, 8, 0x3001);
945 avio_wb32(pb, mxf->time_base.den);
946 avio_wb32(pb, mxf->time_base.num);
948 // write essence container ul
949 mxf_write_local_tag(pb, 16, 0x3004);
950 if (mxf->essence_container_count > 1)
951 ul = multiple_desc_ul;
953 MXFStreamContext *sc = s->streams[0]->priv_data;
954 ul = mxf_essence_container_uls[sc->index].container_ul;
956 avio_write(pb, ul, 16);
958 // write sub descriptor refs
959 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
960 mxf_write_refs_count(pb, s->nb_streams);
961 for (i = 0; i < s->nb_streams; i++)
962 mxf_write_uuid(pb, SubDescriptor, i);
965 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
967 MXFContext *mxf = s->priv_data;
968 MXFStreamContext *sc = st->priv_data;
969 AVIOContext *pb = s->pb;
971 avio_write(pb, key, 16);
972 klv_encode_ber4_length(pb, size+20+8+12+20);
974 mxf_write_local_tag(pb, 16, 0x3C0A);
975 mxf_write_uuid(pb, SubDescriptor, st->index);
977 mxf_write_local_tag(pb, 4, 0x3006);
978 avio_wb32(pb, st->index+2);
980 mxf_write_local_tag(pb, 8, 0x3001);
981 avio_wb32(pb, mxf->time_base.den);
982 avio_wb32(pb, mxf->time_base.num);
984 mxf_write_local_tag(pb, 16, 0x3004);
985 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
988 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
989 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
990 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
991 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
992 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
994 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
996 MXFStreamContext *sc = st->priv_data;
997 AVIOContext *pb = s->pb;
998 int stored_height = (st->codec->height+15)/16*16;
1001 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20+5;
1002 if (sc->interlaced && sc->field_dominance)
1004 if (sc->signal_standard)
1007 mxf_write_generic_desc(s, st, key, desc_size);
1009 mxf_write_local_tag(pb, 4, 0x3203);
1010 avio_wb32(pb, st->codec->width);
1012 mxf_write_local_tag(pb, 4, 0x3202);
1013 avio_wb32(pb, stored_height>>sc->interlaced);
1015 mxf_write_local_tag(pb, 4, 0x3209);
1016 avio_wb32(pb, st->codec->width);
1018 if (st->codec->height == 608) // PAL + VBI
1019 display_height = 576;
1020 else if (st->codec->height == 512) // NTSC + VBI
1021 display_height = 486;
1023 display_height = st->codec->height;
1025 mxf_write_local_tag(pb, 4, 0x3208);
1026 avio_wb32(pb, display_height>>sc->interlaced);
1028 // presentation Y offset
1029 mxf_write_local_tag(pb, 4, 0x320B);
1030 avio_wb32(pb, (st->codec->height - display_height)>>sc->interlaced);
1033 mxf_write_local_tag(pb, 4, 0x3301);
1034 avio_wb32(pb, sc->component_depth);
1036 // horizontal subsampling
1037 mxf_write_local_tag(pb, 4, 0x3302);
1038 avio_wb32(pb, sc->h_chroma_sub_sample);
1041 mxf_write_local_tag(pb, 1, 0x3303);
1042 avio_w8(pb, sc->color_siting);
1044 if (sc->signal_standard) {
1045 mxf_write_local_tag(pb, 1, 0x3215);
1046 avio_w8(pb, sc->signal_standard);
1050 mxf_write_local_tag(pb, 1, 0x320C);
1051 avio_w8(pb, sc->interlaced);
1054 switch (st->codec->height) {
1055 case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1056 case 608: f1 = 7; f2 = 320; break;
1057 case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1058 case 512: f1 = 7; f2 = 270; break;
1059 case 720: f1 = 26; f2 = 0; break; // progressive
1060 case 1080: f1 = 21; f2 = 584; break;
1061 default: f1 = 0; f2 = 0; break;
1064 if (!sc->interlaced) {
1069 mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
1070 avio_wb32(pb, sc->interlaced ? 2 : 1);
1076 mxf_write_local_tag(pb, 8, 0x320E);
1077 avio_wb32(pb, sc->aspect_ratio.num);
1078 avio_wb32(pb, sc->aspect_ratio.den);
1080 mxf_write_local_tag(pb, 16, 0x3201);
1081 avio_write(pb, *sc->codec_ul, 16);
1083 if (sc->interlaced && sc->field_dominance) {
1084 mxf_write_local_tag(pb, 1, 0x3212);
1085 avio_w8(pb, sc->field_dominance);
1090 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1092 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1095 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1097 AVIOContext *pb = s->pb;
1098 MXFStreamContext *sc = st->priv_data;
1099 int profile_and_level = (st->codec->profile<<4) | st->codec->level;
1101 if (st->codec->codec_id != AV_CODEC_ID_H264) {
1102 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1105 mxf_write_local_tag(pb, 4, 0x8000);
1106 avio_wb32(pb, sc->video_bit_rate);
1108 // profile and level
1109 mxf_write_local_tag(pb, 1, 0x8007);
1110 if (!st->codec->profile)
1111 profile_and_level |= 0x80; // escape bit
1112 avio_w8(pb, profile_and_level);
1114 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1118 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1120 AVIOContext *pb = s->pb;
1121 MXFContext *mxf = s->priv_data;
1122 int show_warnings = !mxf->footer_partition_offset;
1123 int duration_size = 0;
1125 if (s->oformat == &ff_mxf_opatom_muxer)
1128 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1130 if (duration_size > 0){
1131 mxf_write_local_tag(pb, 8, 0x3002);
1132 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1136 mxf_write_local_tag(pb, 1, 0x3D02);
1139 // write audio sampling rate
1140 mxf_write_local_tag(pb, 8, 0x3D03);
1141 avio_wb32(pb, st->codec->sample_rate);
1144 mxf_write_local_tag(pb, 4, 0x3D07);
1145 if (mxf->channel_count == -1) {
1146 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1147 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");
1148 avio_wb32(pb, st->codec->channels);
1149 } else if (s->oformat == &ff_mxf_d10_muxer) {
1150 if (show_warnings && (mxf->channel_count < st->codec->channels))
1151 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1152 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1153 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");
1154 avio_wb32(pb, mxf->channel_count);
1156 if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1157 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1158 avio_wb32(pb, st->codec->channels);
1161 mxf_write_local_tag(pb, 4, 0x3D01);
1162 avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
1165 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1167 AVIOContext *pb = s->pb;
1169 mxf_write_generic_sound_common(s, st, key, size+6+8);
1171 mxf_write_local_tag(pb, 2, 0x3D0A);
1172 avio_wb16(pb, st->codec->block_align);
1174 // avg bytes per sec
1175 mxf_write_local_tag(pb, 4, 0x3D09);
1176 avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1179 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1181 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1184 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1186 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1189 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1191 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1194 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 };
1196 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1198 MXFContext *mxf = s->priv_data;
1199 AVIOContext *pb = s->pb;
1200 int name_size = mxf_utf16_local_tag_length(name);
1201 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1203 if (!name_size || indirect_value_size == 13)
1206 mxf_write_metadata_key(pb, 0x013f00);
1207 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1209 // write instance UID
1210 mxf_write_local_tag(pb, 16, 0x3C0A);
1211 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1214 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1216 // write indirect value
1217 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1218 avio_write(pb, mxf_indirect_value_utf16le, 17);
1219 avio_put_str16le(pb, value);
1221 mxf->tagged_value_count++;
1225 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1227 MXFContext *mxf = s->priv_data;
1228 AVDictionaryEntry *t = NULL;
1231 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1232 if (mxf->tagged_value_count >= UINT16_MAX) {
1233 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1237 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1243 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1245 MXFContext *mxf = s->priv_data;
1246 AVIOContext *pb = s->pb;
1247 int i, track_count = s->nb_streams+1;
1248 int name_size = mxf_utf16_local_tag_length(package_name);
1249 int user_comment_count = 0;
1251 if (type == MaterialPackage) {
1252 user_comment_count = mxf_write_user_comments(s, s->metadata);
1253 mxf_write_metadata_key(pb, 0x013600);
1254 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1255 klv_encode_ber_length(pb, 104 + name_size + (16*track_count) + (16*user_comment_count));
1257 mxf_write_metadata_key(pb, 0x013700);
1258 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1259 klv_encode_ber_length(pb, 124 + name_size + (16*track_count)); // 20 bytes length for descriptor reference
1263 mxf_write_local_tag(pb, 16, 0x3C0A);
1264 mxf_write_uuid(pb, type, 0);
1265 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1266 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1268 // write package umid
1269 mxf_write_local_tag(pb, 32, 0x4401);
1270 mxf_write_umid(s, type == SourcePackage);
1271 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1275 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1277 // package creation date
1278 mxf_write_local_tag(pb, 8, 0x4405);
1279 avio_wb64(pb, mxf->timestamp);
1281 // package modified date
1282 mxf_write_local_tag(pb, 8, 0x4404);
1283 avio_wb64(pb, mxf->timestamp);
1286 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1287 mxf_write_refs_count(pb, track_count);
1288 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1289 Track + TypeBottom, -1); // timecode track
1290 for (i = 0; i < s->nb_streams; i++)
1291 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1293 // write user comment refs
1294 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1295 mxf_write_refs_count(pb, user_comment_count);
1296 for (i = 0; i < user_comment_count; i++)
1297 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1299 // write multiple descriptor reference
1300 if (type == SourcePackage) {
1301 mxf_write_local_tag(pb, 16, 0x4701);
1302 if (s->nb_streams > 1) {
1303 mxf_write_uuid(pb, MultipleDescriptor, 0);
1304 mxf_write_multi_descriptor(s);
1306 mxf_write_uuid(pb, SubDescriptor, 0);
1309 // write timecode track
1310 mxf_write_track(s, mxf->timecode_track, type);
1311 mxf_write_sequence(s, mxf->timecode_track, type);
1312 mxf_write_timecode_component(s, mxf->timecode_track, type);
1314 for (i = 0; i < s->nb_streams; i++) {
1315 AVStream *st = s->streams[i];
1316 mxf_write_track(s, st, type);
1317 mxf_write_sequence(s, st, type);
1318 mxf_write_structural_component(s, st, type);
1320 if (type == SourcePackage) {
1321 MXFStreamContext *sc = st->priv_data;
1322 mxf_essence_container_uls[sc->index].write_desc(s, st);
1327 static int mxf_write_essence_container_data(AVFormatContext *s)
1329 AVIOContext *pb = s->pb;
1331 mxf_write_metadata_key(pb, 0x012300);
1332 klv_encode_ber_length(pb, 72);
1334 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1335 mxf_write_uuid(pb, EssenceContainerData, 0);
1337 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1338 mxf_write_umid(s, 1);
1340 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1343 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1349 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1351 const char *material_package_name = NULL;
1352 const char *file_package_name = NULL;
1353 AVDictionaryEntry *entry = NULL;
1354 AVStream *st = NULL;
1357 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1358 material_package_name = entry->value;
1360 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1361 file_package_name = entry->value;
1363 /* check if any of the streams contain a file_package_name */
1364 for (i = 0; i < s->nb_streams; i++) {
1366 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1367 file_package_name = entry->value;
1373 mxf_write_preface(s);
1374 mxf_write_identification(s);
1375 mxf_write_content_storage(s);
1376 mxf_write_package(s, MaterialPackage, material_package_name);
1377 mxf_write_package(s, SourcePackage, file_package_name);
1378 mxf_write_essence_container_data(s);
1382 static unsigned klv_fill_size(uint64_t size)
1384 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1385 if (pad < 20) // smallest fill item possible
1386 return pad + KAG_SIZE;
1388 return pad & (KAG_SIZE-1);
1391 static void mxf_write_index_table_segment(AVFormatContext *s)
1393 MXFContext *mxf = s->priv_data;
1394 AVIOContext *pb = s->pb;
1395 int i, j, temporal_reordering = 0;
1396 int key_index = mxf->last_key_index;
1398 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1400 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1403 avio_write(pb, index_table_segment_key, 16);
1405 if (mxf->edit_unit_byte_count) {
1406 klv_encode_ber_length(pb, 80);
1408 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1409 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1413 mxf_write_local_tag(pb, 16, 0x3C0A);
1414 mxf_write_uuid(pb, IndexTableSegment, 0);
1417 mxf_write_local_tag(pb, 8, 0x3F0B);
1418 avio_wb32(pb, mxf->time_base.den);
1419 avio_wb32(pb, mxf->time_base.num);
1421 // index start position
1422 mxf_write_local_tag(pb, 8, 0x3F0C);
1423 avio_wb64(pb, mxf->last_indexed_edit_unit);
1426 mxf_write_local_tag(pb, 8, 0x3F0D);
1427 if (mxf->edit_unit_byte_count)
1428 avio_wb64(pb, 0); // index table covers whole container
1430 avio_wb64(pb, mxf->edit_units_count);
1432 // edit unit byte count
1433 mxf_write_local_tag(pb, 4, 0x3F05);
1434 avio_wb32(pb, mxf->edit_unit_byte_count);
1437 mxf_write_local_tag(pb, 4, 0x3F06);
1441 mxf_write_local_tag(pb, 4, 0x3F07);
1444 if (!mxf->edit_unit_byte_count) {
1445 // real slice count - 1
1446 mxf_write_local_tag(pb, 1, 0x3F08);
1447 avio_w8(pb, mxf->slice_count);
1449 // delta entry array
1450 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1451 avio_wb32(pb, s->nb_streams+1); // num of entries
1452 avio_wb32(pb, 6); // size of one entry
1453 // write system item delta entry
1455 avio_w8(pb, 0); // slice entry
1456 avio_wb32(pb, 0); // element delta
1457 for (i = 0; i < s->nb_streams; i++) {
1458 AVStream *st = s->streams[i];
1459 MXFStreamContext *sc = st->priv_data;
1460 avio_w8(pb, sc->temporal_reordering);
1461 if (sc->temporal_reordering)
1462 temporal_reordering = 1;
1463 if (i == 0) { // video track
1464 avio_w8(pb, 0); // slice number
1465 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1466 } else { // audio track
1467 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1468 audio_frame_size += klv_fill_size(audio_frame_size);
1470 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1474 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1475 avio_wb32(pb, mxf->edit_units_count); // num of entries
1476 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1478 for (i = 0; i < mxf->edit_units_count; i++) {
1479 int temporal_offset = 0;
1481 if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1482 mxf->last_key_index = key_index;
1486 if (temporal_reordering) {
1487 int pic_num_in_gop = i - key_index;
1488 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1489 for (j = key_index; j < mxf->edit_units_count; j++) {
1490 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1493 if (j == mxf->edit_units_count)
1494 av_log(s, AV_LOG_WARNING, "missing frames\n");
1495 temporal_offset = j - key_index - pic_num_in_gop;
1498 avio_w8(pb, temporal_offset);
1500 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1501 avio_w8(pb, mxf->last_key_index - i);
1503 avio_w8(pb, key_index - i); // key frame offset
1504 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1505 mxf->last_key_index = key_index;
1508 if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1509 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1510 mxf->index_entries[i].flags |= 0x80; // random access
1511 avio_w8(pb, mxf->index_entries[i].flags);
1513 avio_wb64(pb, mxf->index_entries[i].offset);
1514 if (s->nb_streams > 1)
1515 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1518 mxf->last_key_index = key_index - mxf->edit_units_count;
1519 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1520 mxf->edit_units_count = 0;
1524 static void mxf_write_klv_fill(AVFormatContext *s)
1526 unsigned pad = klv_fill_size(avio_tell(s->pb));
1528 avio_write(s->pb, klv_fill_key, 16);
1530 klv_encode_ber4_length(s->pb, pad);
1531 ffio_fill(s->pb, 0, pad);
1532 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1536 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1538 const uint8_t *key, int write_metadata)
1540 MXFContext *mxf = s->priv_data;
1541 AVIOContext *pb = s->pb;
1542 int64_t header_byte_count_offset;
1543 unsigned index_byte_count = 0;
1544 uint64_t partition_offset = avio_tell(pb);
1547 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1548 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1549 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1550 else if (mxf->edit_unit_byte_count && indexsid)
1551 index_byte_count = 80;
1553 if (index_byte_count) {
1554 // add encoded ber length
1555 index_byte_count += 16 + klv_ber_length(index_byte_count);
1556 index_byte_count += klv_fill_size(index_byte_count);
1559 if (key && !memcmp(key, body_partition_key, 16)) {
1560 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1561 sizeof(*mxf->body_partition_offset))) < 0) {
1562 mxf->body_partitions_count = 0;
1565 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1570 avio_write(pb, key, 16);
1572 avio_write(pb, body_partition_key, 16);
1574 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1576 // write partition value
1577 avio_wb16(pb, 1); // majorVersion
1578 avio_wb16(pb, 2); // minorVersion
1579 avio_wb32(pb, KAG_SIZE); // KAGSize
1581 avio_wb64(pb, partition_offset); // ThisPartition
1583 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1584 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1585 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1586 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1590 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1593 header_byte_count_offset = avio_tell(pb);
1594 avio_wb64(pb, 0); // headerByteCount, update later
1597 avio_wb64(pb, index_byte_count); // indexByteCount
1598 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1601 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1602 avio_wb64(pb, mxf->body_offset);
1606 avio_wb32(pb, bodysid); // bodySID
1608 // operational pattern
1609 if (s->oformat == &ff_mxf_opatom_muxer)
1610 avio_write(pb, opatom_ul, 16);
1612 avio_write(pb, op1a_ul, 16);
1614 // essence container
1615 mxf_write_essence_container_refs(s);
1617 if (write_metadata) {
1618 // mark the start of the headermetadata and calculate metadata size
1620 unsigned header_byte_count;
1622 mxf_write_klv_fill(s);
1623 start = avio_tell(s->pb);
1624 mxf_write_primer_pack(s);
1625 mxf_write_header_metadata_sets(s);
1626 pos = avio_tell(s->pb);
1627 header_byte_count = pos - start + klv_fill_size(pos);
1629 // update header_byte_count
1630 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1631 avio_wb64(pb, header_byte_count);
1632 avio_seek(pb, pos, SEEK_SET);
1641 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1644 MXFContext *mxf = s->priv_data;
1645 MXFStreamContext *sc = st->priv_data;
1647 uint8_t* header_cid;
1650 if (mxf->header_written)
1656 header_cid = pkt->data + 0x28;
1657 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1659 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1661 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1662 return AVERROR_INVALIDDATA;
1667 sc->component_depth = 10;
1677 sc->component_depth = 10;
1687 sc->component_depth = 10;
1702 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1703 sc->aspect_ratio = (AVRational){ 16, 9 };
1705 if(s->oformat == &ff_mxf_opatom_muxer){
1706 mxf->edit_unit_byte_count = frame_size;
1710 mxf->edit_unit_byte_count = KAG_SIZE;
1711 for (i = 0; i < s->nb_streams; i++) {
1712 AVStream *st = s->streams[i];
1713 MXFStreamContext *sc = st->priv_data;
1714 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1715 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1716 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1717 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1718 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1719 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1726 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1728 MXFContext *mxf = s->priv_data;
1729 MXFStreamContext *sc = st->priv_data;
1730 uint8_t *vs_pack, *vsc_pack;
1731 int i, ul_index, frame_size, stype, pal;
1733 if (mxf->header_written)
1736 // Check for minimal frame size
1737 if (pkt->size < 120000)
1740 vs_pack = pkt->data + 80*5 + 48;
1741 vsc_pack = pkt->data + 80*5 + 53;
1742 stype = vs_pack[3] & 0x1f;
1743 pal = (vs_pack[3] >> 5) & 0x1;
1745 if ((vs_pack[2] & 0x07) == 0x02)
1746 sc->aspect_ratio = (AVRational){ 16, 9 };
1748 sc->aspect_ratio = (AVRational){ 4, 3 };
1750 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1751 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1752 // and set field dominance accordingly
1753 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1756 case 0x18: // DV100 720p
1758 frame_size = pal ? 288000 : 240000;
1759 if (sc->interlaced) {
1760 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1764 case 0x14: // DV100 1080i
1766 frame_size = pal ? 576000 : 480000;
1770 frame_size = pal ? 288000 : 240000;
1774 frame_size = pal ? 144000 : 120000;
1777 sc->index = ul_index + 16;
1778 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1780 if(s->oformat == &ff_mxf_opatom_muxer) {
1781 mxf->edit_unit_byte_count = frame_size;
1785 mxf->edit_unit_byte_count = KAG_SIZE;
1786 for (i = 0; i < s->nb_streams; i++) {
1787 AVStream *st = s->streams[i];
1788 MXFStreamContext *sc = st->priv_data;
1789 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1790 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1791 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1792 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1793 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1794 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1801 static const struct {
1806 } mxf_h264_codec_uls[] = {
1807 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1808 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1809 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1810 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1811 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1812 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1813 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1814 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1815 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1816 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1817 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1818 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1819 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1820 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1823 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1824 AVPacket *pkt, MXFIndexEntry *e)
1826 MXFContext *mxf = s->priv_data;
1827 MXFStreamContext *sc = st->priv_data;
1828 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1829 const uint8_t *buf = pkt->data;
1830 const uint8_t *buf_end = pkt->data + pkt->size;
1831 uint32_t state = -1;
1832 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1836 if (pkt->size > extra_size)
1837 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1840 buf = avpriv_find_start_code(buf, buf_end, &state);
1844 switch (state & 0x1f) {
1846 st->codec->profile = buf[1];
1850 if (e->flags & 0x40) { // sequence header present
1851 e->flags |= 0x80; // random access
1861 if (mxf->header_written)
1864 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1865 sc->component_depth = 10; // AVC Intra is always 10 Bit
1866 sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1868 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1871 frame_size = pkt->size + extra_size;
1872 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1873 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1874 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1876 } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1877 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1883 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1890 static const UID mxf_mpeg2_codec_uls[] = {
1891 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1892 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1893 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1894 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1895 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1896 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1897 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1898 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1899 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1900 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1903 static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
1905 int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1907 if (avctx->profile == 4) { // Main
1908 if (avctx->level == 8) // Main
1909 return &mxf_mpeg2_codec_uls[0+long_gop];
1910 else if (avctx->level == 4) // High
1911 return &mxf_mpeg2_codec_uls[4+long_gop];
1912 else if (avctx->level == 6) // High 14
1913 return &mxf_mpeg2_codec_uls[8+long_gop];
1914 } else if (avctx->profile == 0) { // 422
1915 if (avctx->level == 5) // Main
1916 return &mxf_mpeg2_codec_uls[2+long_gop];
1917 else if (avctx->level == 2) // High
1918 return &mxf_mpeg2_codec_uls[6+long_gop];
1923 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1924 AVPacket *pkt, MXFIndexEntry *e)
1926 MXFStreamContext *sc = st->priv_data;
1930 for(i = 0; i < pkt->size - 4; i++) {
1931 c = (c<<8) + pkt->data[i];
1933 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1934 st->codec->profile = pkt->data[i+1] & 0x07;
1935 st->codec->level = pkt->data[i+2] >> 4;
1936 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1937 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1939 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1942 } else if (c == 0x1b8) { // gop
1943 if (pkt->data[i+4]>>6 & 0x01) { // closed
1945 if (e->flags & 0x40) // sequence header present
1946 e->flags |= 0x80; // random access
1948 } else if (c == 0x1b3) { // seq
1950 switch ((pkt->data[i+4]>>4) & 0xf) {
1951 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1952 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1953 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1955 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1956 st->codec->width, st->codec->height, 1024*1024);
1958 } else if (c == 0x100) { // pic
1959 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1960 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1961 if (pict_type == 2) { // P frame
1963 sc->closed_gop = 0; // reset closed gop, don't matter anymore
1964 } else if (pict_type == 3) { // B frame
1966 e->flags |= 0x13; // only backward prediction
1969 sc->temporal_reordering = -1;
1970 } else if (!pict_type) {
1971 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1976 if (s->oformat != &ff_mxf_d10_muxer)
1977 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
1978 return !!sc->codec_ul;
1981 static uint64_t mxf_parse_timestamp(time_t timestamp)
1984 struct tm *time = gmtime_r(×tamp, &tmbuf);
1987 return (uint64_t)(time->tm_year+1900) << 48 |
1988 (uint64_t)(time->tm_mon+1) << 40 |
1989 (uint64_t) time->tm_mday << 32 |
1990 time->tm_hour << 24 |
1991 time->tm_min << 16 |
1995 static void mxf_gen_umid(AVFormatContext *s)
1997 MXFContext *mxf = s->priv_data;
1998 uint32_t seed = av_get_random_seed();
1999 uint64_t umid = seed + 0x5294713400000000LL;
2001 AV_WB64(mxf->umid , umid);
2002 AV_WB64(mxf->umid+8, umid>>8);
2004 mxf->instance_number = seed & 0xFFFFFF;
2007 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2009 MXFContext *mxf = s->priv_data;
2010 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2012 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2015 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2017 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2020 static int mxf_write_header(AVFormatContext *s)
2022 MXFContext *mxf = s->priv_data;
2024 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2025 const MXFSamplesPerFrame *spf = NULL;
2026 AVDictionaryEntry *t;
2027 int64_t timestamp = 0;
2032 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2033 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2037 for (i = 0; i < s->nb_streams; i++) {
2038 AVStream *st = s->streams[i];
2039 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2041 return AVERROR(ENOMEM);
2044 if (((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2045 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2049 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2050 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codec->pix_fmt);
2051 // TODO: should be avg_frame_rate
2052 AVRational rate, tbc = st->time_base;
2053 // Default component depth to 8
2054 sc->component_depth = 8;
2055 sc->h_chroma_sub_sample = 2;
2056 sc->color_siting = 0xFF;
2059 sc->component_depth = pix_desc->comp[0].depth_minus1 + 1;
2060 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2062 switch (ff_choose_chroma_location(s, st)) {
2063 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2064 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2065 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2066 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2069 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2070 spf = ff_mxf_get_samples_per_frame(s, tbc);
2072 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2074 return AVERROR(EINVAL);
2076 mxf->time_base = spf->time_base;
2077 rate = av_inv_q(mxf->time_base);
2078 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2079 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2082 sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
2083 if (s->oformat == &ff_mxf_d10_muxer) {
2084 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2086 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2088 } else if (sc->video_bit_rate == 40000000) {
2089 if (mxf->time_base.den == 25) sc->index = 7;
2091 } else if (sc->video_bit_rate == 30000000) {
2092 if (mxf->time_base.den == 25) sc->index = 11;
2093 else sc->index = 13;
2095 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2099 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2100 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2101 mxf->time_base.num / (8*mxf->time_base.den);
2102 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2103 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2104 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2106 sc->signal_standard = 1;
2108 if (mxf->signal_standard >= 0)
2109 sc->signal_standard = mxf->signal_standard;
2110 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2111 if (st->codec->sample_rate != 48000) {
2112 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2115 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
2116 if (s->oformat == &ff_mxf_d10_muxer) {
2117 if (st->index != 1) {
2118 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2121 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2122 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2123 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2125 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2126 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2127 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2129 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2130 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2131 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2132 return AVERROR_PATCHWELCOME;
2134 if (st->codec->channels != 1) {
2135 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2136 return AVERROR(EINVAL);
2139 spf = ff_mxf_get_samples_per_frame(s, tbc);
2141 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2142 return AVERROR(EINVAL);
2145 mxf->time_base = st->time_base;
2146 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2149 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2150 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
2153 mxf->slice_count = 1;
2158 sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
2159 if (sc->index == -1) {
2160 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2161 "codec not currently supported in container\n", i);
2166 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2168 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2169 sc->track_essence_element_key[15] = present[sc->index];
2170 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2172 if (!present[sc->index])
2173 mxf->essence_container_count++;
2174 present[sc->index]++;
2177 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2178 mxf->essence_container_count = 1;
2181 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2184 for (i = 0; i < s->nb_streams; i++) {
2185 MXFStreamContext *sc = s->streams[i]->priv_data;
2186 // update element count
2187 sc->track_essence_element_key[13] = present[sc->index];
2188 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2189 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2191 sc->order = AV_RB32(sc->track_essence_element_key+12);
2194 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2195 timestamp = ff_iso8601_to_unix_time(t->value);
2197 mxf->timestamp = mxf_parse_timestamp(timestamp);
2200 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2201 if (!mxf->timecode_track)
2202 return AVERROR(ENOMEM);
2203 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2204 if (!mxf->timecode_track->priv_data)
2205 return AVERROR(ENOMEM);
2206 mxf->timecode_track->index = -1;
2209 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2211 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2217 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2218 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 };
2220 static void mxf_write_system_item(AVFormatContext *s)
2222 MXFContext *mxf = s->priv_data;
2223 AVIOContext *pb = s->pb;
2227 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2229 // write system metadata pack
2230 avio_write(pb, system_metadata_pack_key, 16);
2231 klv_encode_ber4_length(pb, 57);
2232 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2233 avio_w8(pb, 0x04); // content package rate
2234 avio_w8(pb, 0x00); // content package type
2235 avio_wb16(pb, 0x00); // channel handle
2236 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2237 if (mxf->essence_container_count > 1)
2238 avio_write(pb, multiple_desc_ul, 16);
2240 MXFStreamContext *sc = s->streams[0]->priv_data;
2241 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2245 avio_wb64(pb, 0); // creation date/time stamp
2247 avio_w8(pb, 0x81); // SMPTE 12M time code
2248 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2249 avio_wb32(pb, time_code);
2250 avio_wb32(pb, 0); // binary group data
2253 // write system metadata package set
2254 avio_write(pb, system_metadata_package_set_key, 16);
2255 klv_encode_ber4_length(pb, 35);
2256 avio_w8(pb, 0x83); // UMID
2257 avio_wb16(pb, 0x20);
2258 mxf_write_umid(s, 1);
2261 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2263 MXFContext *mxf = s->priv_data;
2264 AVIOContext *pb = s->pb;
2265 MXFStreamContext *sc = st->priv_data;
2266 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2267 (8*mxf->time_base.den); // frame size
2270 packet_size += 16 + 4;
2271 packet_size += klv_fill_size(packet_size);
2273 klv_encode_ber4_length(pb, pkt->size);
2274 avio_write(pb, pkt->data, pkt->size);
2276 // ensure CBR muxing by padding to correct video frame size
2277 pad = packet_size - pkt->size - 16 - 4;
2279 avio_write(s->pb, klv_fill_key, 16);
2281 klv_encode_ber4_length(s->pb, pad);
2282 ffio_fill(s->pb, 0, pad);
2283 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2285 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2286 ffio_fill(s->pb, 0, pad);
2290 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2292 MXFContext *mxf = s->priv_data;
2293 AVIOContext *pb = s->pb;
2294 int frame_size = pkt->size / st->codec->block_align;
2295 uint8_t *samples = pkt->data;
2296 uint8_t *end = pkt->data + pkt->size;
2299 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2301 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2302 avio_wl16(pb, frame_size);
2303 avio_w8(pb, (1<<st->codec->channels)-1);
2305 while (samples < end) {
2306 for (i = 0; i < st->codec->channels; i++) {
2308 if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2309 sample = AV_RL24(samples)<< 4;
2312 sample = AV_RL16(samples)<<12;
2315 avio_wl32(pb, sample | i);
2322 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2324 MXFContext *mxf = s->priv_data;
2325 AVIOContext *pb = s->pb;
2326 AVStream *st = s->streams[0];
2327 MXFStreamContext *sc = st->priv_data;
2328 const uint8_t *key = NULL;
2332 if (!mxf->header_written)
2333 key = body_partition_key;
2335 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2337 mxf_write_klv_fill(s);
2338 avio_write(pb, sc->track_essence_element_key, 16);
2339 klv_encode_ber9_length(pb, mxf->body_offset);
2343 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2345 MXFContext *mxf = s->priv_data;
2346 AVIOContext *pb = s->pb;
2350 if (!mxf->header_written) {
2351 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2353 mxf_write_klv_fill(s);
2355 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2357 mxf->header_written = 1;
2360 if (!mxf->edit_unit_byte_count) {
2361 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2362 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2363 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2365 mxf->edit_units_count++;
2366 avio_write(pb, pkt->data, pkt->size);
2367 mxf->body_offset += pkt->size;
2373 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2375 MXFContext *mxf = s->priv_data;
2376 AVIOContext *pb = s->pb;
2377 AVStream *st = s->streams[pkt->stream_index];
2378 MXFStreamContext *sc = st->priv_data;
2379 MXFIndexEntry ie = {0};
2382 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2383 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2384 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2385 mxf->edit_units_count = 0;
2386 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2391 if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2392 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2393 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2396 } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2397 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2398 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2401 } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2402 if (!mxf_parse_dv_frame(s, st, pkt)) {
2403 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2406 } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2407 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2408 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2413 if (s->oformat == &ff_mxf_opatom_muxer)
2414 return mxf_write_opatom_packet(s, pkt, &ie);
2416 if (!mxf->header_written) {
2417 if (mxf->edit_unit_byte_count) {
2418 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2420 mxf_write_klv_fill(s);
2421 mxf_write_index_table_segment(s);
2423 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2426 mxf->header_written = 1;
2429 if (st->index == 0) {
2430 if (!mxf->edit_unit_byte_count &&
2431 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2432 !(ie.flags & 0x33)) { // I frame, Gop start
2433 mxf_write_klv_fill(s);
2434 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2436 mxf_write_klv_fill(s);
2437 mxf_write_index_table_segment(s);
2440 mxf_write_klv_fill(s);
2441 mxf_write_system_item(s);
2443 if (!mxf->edit_unit_byte_count) {
2444 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2445 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2446 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2447 mxf->body_offset += KAG_SIZE; // size of system element
2449 mxf->edit_units_count++;
2450 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2451 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2452 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2455 mxf_write_klv_fill(s);
2456 avio_write(pb, sc->track_essence_element_key, 16); // write key
2457 if (s->oformat == &ff_mxf_d10_muxer) {
2458 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2459 mxf_write_d10_video_packet(s, st, pkt);
2461 mxf_write_d10_audio_packet(s, st, pkt);
2463 klv_encode_ber4_length(pb, pkt->size); // write length
2464 avio_write(pb, pkt->data, pkt->size);
2465 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2473 static void mxf_write_random_index_pack(AVFormatContext *s)
2475 MXFContext *mxf = s->priv_data;
2476 AVIOContext *pb = s->pb;
2477 uint64_t pos = avio_tell(pb);
2480 avio_write(pb, random_index_pack_key, 16);
2481 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2483 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2484 avio_wb32(pb, 1); // BodySID of header partition
2487 avio_wb64(pb, 0); // offset of header partition
2489 for (i = 0; i < mxf->body_partitions_count; i++) {
2490 avio_wb32(pb, 1); // BodySID
2491 avio_wb64(pb, mxf->body_partition_offset[i]);
2494 avio_wb32(pb, 0); // BodySID of footer partition
2495 avio_wb64(pb, mxf->footer_partition_offset);
2497 avio_wb32(pb, avio_tell(pb) - pos + 4);
2500 static int mxf_write_footer(AVFormatContext *s)
2502 MXFContext *mxf = s->priv_data;
2503 AVIOContext *pb = s->pb;
2506 if (!mxf->header_written ||
2507 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2508 /* reason could be invalid options/not supported codec/out of memory */
2509 err = AVERROR_UNKNOWN;
2513 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2515 mxf_write_klv_fill(s);
2516 mxf->footer_partition_offset = avio_tell(pb);
2517 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2518 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2521 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2523 mxf_write_klv_fill(s);
2524 mxf_write_index_table_segment(s);
2527 mxf_write_klv_fill(s);
2528 mxf_write_random_index_pack(s);
2530 if (s->pb->seekable) {
2531 if (s->oformat == &ff_mxf_opatom_muxer){
2532 /* rewrite body partition to update lengths */
2533 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2534 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2538 avio_seek(pb, 0, SEEK_SET);
2539 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2540 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2542 mxf_write_klv_fill(s);
2543 mxf_write_index_table_segment(s);
2545 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2551 ff_audio_interleave_close(s);
2553 av_freep(&mxf->index_entries);
2554 av_freep(&mxf->body_partition_offset);
2555 av_freep(&mxf->timecode_track->priv_data);
2556 av_freep(&mxf->timecode_track);
2560 return err < 0 ? err : 0;
2563 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2565 int i, stream_count = 0;
2567 for (i = 0; i < s->nb_streams; i++)
2568 stream_count += !!s->streams[i]->last_in_packet_buffer;
2570 if (stream_count && (s->nb_streams == stream_count || flush)) {
2571 AVPacketList *pktl = s->internal->packet_buffer;
2572 if (s->nb_streams != stream_count) {
2573 AVPacketList *last = NULL;
2574 // find last packet in edit unit
2576 if (!stream_count || pktl->pkt.stream_index == 0)
2582 // purge packet queue
2584 AVPacketList *next = pktl->next;
2586 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2587 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2588 av_free_packet(&pktl->pkt);
2595 s->internal->packet_buffer = NULL;
2596 s->internal->packet_buffer_end= NULL;
2599 pktl = s->internal->packet_buffer;
2603 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2604 s->internal->packet_buffer = pktl->next;
2605 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2606 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2607 if(!s->internal->packet_buffer)
2608 s->internal->packet_buffer_end= NULL;
2613 av_init_packet(out);
2618 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2620 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2621 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2623 return next->dts > pkt->dts ||
2624 (next->dts == pkt->dts && sc->order < sc2->order);
2627 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2629 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2630 mxf_interleave_get_packet, mxf_compare_timestamps);
2633 #define MXF_COMMON_OPTIONS \
2634 { "signal_standard", "Force/set Sigal Standard",\
2635 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2636 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2637 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2638 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2639 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2640 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2641 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2642 { "smpte274m", "SMPTE 274M (1125 line)",\
2643 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2644 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2645 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2646 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2647 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2648 { "smpte428", "SMPTE 428-1 DCDM",\
2649 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2653 static const AVOption mxf_options[] = {
2658 static const AVClass mxf_muxer_class = {
2659 .class_name = "MXF muxer",
2660 .item_name = av_default_item_name,
2661 .option = mxf_options,
2662 .version = LIBAVUTIL_VERSION_INT,
2665 static const AVOption d10_options[] = {
2666 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2667 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2672 static const AVClass mxf_d10_muxer_class = {
2673 .class_name = "MXF-D10 muxer",
2674 .item_name = av_default_item_name,
2675 .option = d10_options,
2676 .version = LIBAVUTIL_VERSION_INT,
2679 static const AVOption opatom_options[] = {
2680 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2681 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2686 static const AVClass mxf_opatom_muxer_class = {
2687 .class_name = "MXF-OPAtom muxer",
2688 .item_name = av_default_item_name,
2689 .option = opatom_options,
2690 .version = LIBAVUTIL_VERSION_INT,
2693 AVOutputFormat ff_mxf_muxer = {
2695 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2696 .mime_type = "application/mxf",
2697 .extensions = "mxf",
2698 .priv_data_size = sizeof(MXFContext),
2699 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2700 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2701 .write_header = mxf_write_header,
2702 .write_packet = mxf_write_packet,
2703 .write_trailer = mxf_write_footer,
2704 .flags = AVFMT_NOTIMESTAMPS,
2705 .interleave_packet = mxf_interleave,
2706 .priv_class = &mxf_muxer_class,
2709 AVOutputFormat ff_mxf_d10_muxer = {
2711 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2712 .mime_type = "application/mxf",
2713 .priv_data_size = sizeof(MXFContext),
2714 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2715 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2716 .write_header = mxf_write_header,
2717 .write_packet = mxf_write_packet,
2718 .write_trailer = mxf_write_footer,
2719 .flags = AVFMT_NOTIMESTAMPS,
2720 .interleave_packet = mxf_interleave,
2721 .priv_class = &mxf_d10_muxer_class,
2724 AVOutputFormat ff_mxf_opatom_muxer = {
2725 .name = "mxf_opatom",
2726 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2727 .mime_type = "application/mxf",
2728 .extensions = "mxf",
2729 .priv_data_size = sizeof(MXFContext),
2730 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2731 .video_codec = AV_CODEC_ID_DNXHD,
2732 .write_header = mxf_write_header,
2733 .write_packet = mxf_write_packet,
2734 .write_trailer = mxf_write_footer,
2735 .flags = AVFMT_NOTIMESTAMPS,
2736 .interleave_packet = mxf_interleave,
2737 .priv_class = &mxf_opatom_muxer_class,