3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
26 * SMPTE 377M MXF File Format Specifications
27 * SMPTE 379M MXF Generic Container
28 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
29 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
30 * SMPTE RP210: SMPTE Metadata Dictionary
31 * SMPTE RP224: Registry of SMPTE Universal Labels
38 #include "libavutil/opt.h"
39 #include "libavutil/random_seed.h"
40 #include "libavutil/timecode.h"
41 #include "libavutil/avassert.h"
42 #include "libavutil/time_internal.h"
43 #include "libavcodec/bytestream.h"
44 #include "libavcodec/dnxhddata.h"
45 #include "libavcodec/h264.h"
46 #include "libavcodec/internal.h"
47 #include "audiointerleave.h"
49 #include "avio_internal.h"
54 extern AVOutputFormat ff_mxf_d10_muxer
;
56 #define EDIT_UNITS_PER_BODY 250
67 unsigned slice_offset
; ///< offset of audio slice
68 uint16_t temporal_ref
;
72 AudioInterleaveContext aic
;
73 UID track_essence_element_key
;
74 int index
; ///< index in mxf_essence_container_uls table
76 int order
; ///< interleaving order if dts are equal
77 int interlaced
; ///< whether picture is interlaced
78 int field_dominance
; ///< tff=1, bff=2
80 int temporal_reordering
;
81 AVRational aspect_ratio
; ///< display aspect ratio
82 int closed_gop
; ///< gop is closed, used in mpeg-2 frame parsing
90 void (*write_desc
)(AVFormatContext
*, AVStream
*);
91 } MXFContainerEssenceEntry
;
96 } mxf_essence_mappings
[] = {
97 { AV_CODEC_ID_MPEG2VIDEO
, 0 },
98 { AV_CODEC_ID_PCM_S24LE
, 1 },
99 { AV_CODEC_ID_PCM_S16LE
, 1 },
100 { AV_CODEC_ID_DVVIDEO
, 15 },
101 { AV_CODEC_ID_DNXHD
, 24 },
102 { AV_CODEC_ID_JPEG2000
, 34 },
103 { AV_CODEC_ID_H264
, 35 },
107 static void mxf_write_wav_desc(AVFormatContext
*s
, AVStream
*st
);
108 static void mxf_write_aes3_desc(AVFormatContext
*s
, AVStream
*st
);
109 static void mxf_write_mpegvideo_desc(AVFormatContext
*s
, AVStream
*st
);
110 static void mxf_write_cdci_desc(AVFormatContext
*s
, AVStream
*st
);
111 static void mxf_write_generic_sound_desc(AVFormatContext
*s
, AVStream
*st
);
113 static const MXFContainerEssenceEntry mxf_essence_container_uls
[] = {
114 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
115 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
116 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
117 mxf_write_mpegvideo_desc
},
118 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
119 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
120 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
121 mxf_write_aes3_desc
},
122 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
123 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
124 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
125 mxf_write_wav_desc
},
126 // D-10 625/50 PAL 50mb/s
127 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
128 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
129 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
130 mxf_write_cdci_desc
},
131 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
132 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
133 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
134 mxf_write_generic_sound_desc
},
135 // D-10 525/60 NTSC 50mb/s
136 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
137 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
138 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
139 mxf_write_cdci_desc
},
140 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
141 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
142 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
143 mxf_write_generic_sound_desc
},
144 // D-10 625/50 PAL 40mb/s
145 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
146 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
147 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
148 mxf_write_cdci_desc
},
149 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
150 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
151 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
152 mxf_write_generic_sound_desc
},
153 // D-10 525/60 NTSC 40mb/s
154 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
155 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
156 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
157 mxf_write_cdci_desc
},
158 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
159 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
160 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
161 mxf_write_generic_sound_desc
},
162 // D-10 625/50 PAL 30mb/s
163 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
164 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
165 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
166 mxf_write_cdci_desc
},
167 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
168 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
169 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
170 mxf_write_generic_sound_desc
},
171 // D-10 525/60 NTSC 30mb/s
172 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
173 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
174 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
175 mxf_write_cdci_desc
},
176 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
177 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
178 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
179 mxf_write_generic_sound_desc
},
181 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
182 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
183 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
184 mxf_write_cdci_desc
},
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
189 mxf_write_cdci_desc
},
191 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
192 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
193 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
194 mxf_write_cdci_desc
},
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
199 mxf_write_cdci_desc
},
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
204 mxf_write_cdci_desc
},
206 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
207 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
209 mxf_write_cdci_desc
},
211 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
212 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
213 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
214 mxf_write_cdci_desc
},
216 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
217 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
219 mxf_write_cdci_desc
},
221 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
222 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
224 mxf_write_cdci_desc
},
225 // DNxHD 1080p 10bit high
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
229 mxf_write_cdci_desc
},
230 // DNxHD 1080p 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
234 mxf_write_cdci_desc
},
235 // DNxHD 1080p 8bit high
236 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
238 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
239 mxf_write_cdci_desc
},
240 // DNxHD 1080i 10bit 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,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
244 mxf_write_cdci_desc
},
245 // DNxHD 1080i 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
249 mxf_write_cdci_desc
},
250 // DNxHD 1080i 8bit high
251 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
252 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
253 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
254 mxf_write_cdci_desc
},
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,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
259 mxf_write_cdci_desc
},
260 // DNxHD 720p 8bit high
261 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
262 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
263 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
264 mxf_write_cdci_desc
},
265 // DNxHD 720p 8bit medium
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,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
269 mxf_write_cdci_desc
},
270 // DNxHD 720p 8bit low
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,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
274 mxf_write_cdci_desc
},
276 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
277 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
278 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
279 mxf_write_cdci_desc
},
281 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
282 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
283 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
284 mxf_write_mpegvideo_desc
},
285 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
286 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
287 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
291 typedef struct MXFContext
{
293 int64_t footer_partition_offset
;
294 int essence_container_count
;
295 AVRational time_base
;
297 MXFIndexEntry
*index_entries
;
298 unsigned edit_units_count
;
299 uint64_t timestamp
; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
300 uint8_t slice_count
; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
301 int last_indexed_edit_unit
;
302 uint64_t *body_partition_offset
;
303 unsigned body_partitions_count
;
304 int last_key_index
; ///< index of last key frame
306 AVTimecode tc
; ///< timecode context
307 AVStream
*timecode_track
;
308 int timecode_base
; ///< rounded time code base (25 or 30)
309 int edit_unit_byte_count
; ///< fixed edit unit byte count
310 uint64_t body_offset
;
311 uint32_t instance_number
;
312 uint8_t umid
[16]; ///< unique material identifier
316 static const uint8_t uuid_base
[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
317 static const uint8_t umid_ul
[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
320 * complete key for operation pattern, partitions, and primer pack
322 static const uint8_t op1a_ul
[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
323 static const uint8_t footer_partition_key
[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
324 static const uint8_t primer_pack_key
[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
325 static const uint8_t index_table_segment_key
[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
326 static const uint8_t random_index_pack_key
[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
327 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
328 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
329 static const uint8_t klv_fill_key
[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
330 static const uint8_t body_partition_key
[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
333 * partial key for header metadata
335 static const uint8_t header_metadata_key
[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
336 static const uint8_t multiple_desc_ul
[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
339 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
341 static const MXFLocalTagPair mxf_local_tag_batch
[] = {
343 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
344 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
345 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
346 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
347 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
348 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
349 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
350 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
352 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
353 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
354 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
355 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
356 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
357 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
359 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
360 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
361 // Essence Container Data
362 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
363 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
365 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
366 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
367 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
368 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
369 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
371 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
372 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
373 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
374 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
375 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
377 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
378 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
379 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
381 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
382 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
383 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
384 // Timecode Component
385 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
386 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
387 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
389 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
390 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
391 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
392 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
393 // Generic Picture Essence Descriptor
394 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
395 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
396 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
397 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
398 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
399 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
400 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
401 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
402 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
403 // CDCI Picture Essence Descriptor
404 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
405 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
406 // Generic Sound Essence Descriptor
407 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
408 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
409 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
410 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
411 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
412 // Index Table Segment
413 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
414 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
415 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
416 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
417 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
418 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
419 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
420 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
421 // MPEG video Descriptor
422 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
423 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
424 // Wave Audio Essence Descriptor
425 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
426 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
429 static void mxf_write_uuid(AVIOContext
*pb
, enum MXFMetadataSetType type
, int value
)
431 avio_write(pb
, uuid_base
, 12);
433 avio_wb16(pb
, value
);
436 static void mxf_write_umid(AVFormatContext
*s
, int type
)
438 MXFContext
*mxf
= s
->priv_data
;
439 avio_write(s
->pb
, umid_ul
, 13);
440 avio_wb24(s
->pb
, mxf
->instance_number
);
441 avio_write(s
->pb
, mxf
->umid
, 15);
442 avio_w8(s
->pb
, type
);
445 static void mxf_write_refs_count(AVIOContext
*pb
, int ref_count
)
447 avio_wb32(pb
, ref_count
);
451 static int klv_ber_length(uint64_t len
)
456 return (av_log2(len
) >> 3) + 2;
459 static int klv_encode_ber_length(AVIOContext
*pb
, uint64_t len
)
461 // Determine the best BER size
469 size
= (av_log2(len
) >> 3) + 1;
472 avio_w8(pb
, 0x80 + size
);
475 avio_w8(pb
, len
>> 8 * size
& 0xff);
480 static void klv_encode_ber4_length(AVIOContext
*pb
, int len
)
482 avio_w8(pb
, 0x80 + 3);
487 * Get essence container ul index
489 static int mxf_get_essence_container_ul_index(enum AVCodecID id
)
492 for (i
= 0; mxf_essence_mappings
[i
].id
; i
++)
493 if (mxf_essence_mappings
[i
].id
== id
)
494 return mxf_essence_mappings
[i
].index
;
498 static void mxf_write_primer_pack(AVFormatContext
*s
)
500 AVIOContext
*pb
= s
->pb
;
501 int local_tag_number
, i
= 0;
503 local_tag_number
= FF_ARRAY_ELEMS(mxf_local_tag_batch
);
505 avio_write(pb
, primer_pack_key
, 16);
506 klv_encode_ber_length(pb
, local_tag_number
* 18 + 8);
508 avio_wb32(pb
, local_tag_number
); // local_tag num
509 avio_wb32(pb
, 18); // item size, always 18 according to the specs
511 for (i
= 0; i
< local_tag_number
; i
++) {
512 avio_wb16(pb
, mxf_local_tag_batch
[i
].local_tag
);
513 avio_write(pb
, mxf_local_tag_batch
[i
].uid
, 16);
517 static void mxf_write_local_tag(AVIOContext
*pb
, int size
, int tag
)
523 static void mxf_write_metadata_key(AVIOContext
*pb
, unsigned int value
)
525 avio_write(pb
, header_metadata_key
, 13);
526 avio_wb24(pb
, value
);
529 static void mxf_free(AVFormatContext
*s
)
533 for (i
= 0; i
< s
->nb_streams
; i
++) {
534 AVStream
*st
= s
->streams
[i
];
535 av_freep(&st
->priv_data
);
539 static const MXFCodecUL
*mxf_get_data_definition_ul(int type
)
541 const MXFCodecUL
*uls
= ff_mxf_data_definition_uls
;
542 while (uls
->uid
[0]) {
550 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
551 #define DESCRIPTOR_COUNT(essence_container_count) \
552 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
554 static void mxf_write_essence_container_refs(AVFormatContext
*s
)
556 MXFContext
*c
= s
->priv_data
;
557 AVIOContext
*pb
= s
->pb
;
560 mxf_write_refs_count(pb
, DESCRIPTOR_COUNT(c
->essence_container_count
));
561 av_log(s
,AV_LOG_DEBUG
, "essence container count:%d\n", c
->essence_container_count
);
562 for (i
= 0; i
< c
->essence_container_count
; i
++) {
563 MXFStreamContext
*sc
= s
->streams
[i
]->priv_data
;
564 avio_write(pb
, mxf_essence_container_uls
[sc
->index
].container_ul
, 16);
567 if (c
->essence_container_count
> 1)
568 avio_write(pb
, multiple_desc_ul
, 16);
571 static void mxf_write_preface(AVFormatContext
*s
)
573 MXFContext
*mxf
= s
->priv_data
;
574 AVIOContext
*pb
= s
->pb
;
576 mxf_write_metadata_key(pb
, 0x012f00);
577 PRINT_KEY(s
, "preface key", pb
->buf_ptr
- 16);
578 klv_encode_ber_length(pb
, 130 + 16LL * DESCRIPTOR_COUNT(mxf
->essence_container_count
));
580 // write preface set uid
581 mxf_write_local_tag(pb
, 16, 0x3C0A);
582 mxf_write_uuid(pb
, Preface
, 0);
583 PRINT_KEY(s
, "preface uid", pb
->buf_ptr
- 16);
585 // last modified date
586 mxf_write_local_tag(pb
, 8, 0x3B02);
587 avio_wb64(pb
, mxf
->timestamp
);
590 mxf_write_local_tag(pb
, 2, 0x3B05);
591 avio_wb16(pb
, 258); // v1.2
593 // write identification_refs
594 mxf_write_local_tag(pb
, 16 + 8, 0x3B06);
595 mxf_write_refs_count(pb
, 1);
596 mxf_write_uuid(pb
, Identification
, 0);
598 // write content_storage_refs
599 mxf_write_local_tag(pb
, 16, 0x3B03);
600 mxf_write_uuid(pb
, ContentStorage
, 0);
602 // operational pattern
603 mxf_write_local_tag(pb
, 16, 0x3B09);
604 avio_write(pb
, op1a_ul
, 16);
606 // write essence_container_refs
607 mxf_write_local_tag(pb
, 8 + 16LL * DESCRIPTOR_COUNT(mxf
->essence_container_count
), 0x3B0A);
608 mxf_write_essence_container_refs(s
);
610 // write dm_scheme_refs
611 mxf_write_local_tag(pb
, 8, 0x3B0B);
616 * Write a local tag containing an ascii string as utf-16
618 static void mxf_write_local_tag_utf16(AVIOContext
*pb
, int tag
, const char *value
)
620 int i
, size
= strlen(value
);
621 mxf_write_local_tag(pb
, size
*2, tag
);
622 for (i
= 0; i
< size
; i
++)
623 avio_wb16(pb
, value
[i
]);
626 static void mxf_write_identification(AVFormatContext
*s
)
628 MXFContext
*mxf
= s
->priv_data
;
629 AVIOContext
*pb
= s
->pb
;
630 const char *company
= "FFmpeg";
631 const char *product
= "OP1a Muxer";
635 mxf_write_metadata_key(pb
, 0x013000);
636 PRINT_KEY(s
, "identification key", pb
->buf_ptr
- 16);
638 version
= s
->flags
& AVFMT_FLAG_BITEXACT
?
639 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION
);
640 length
= 84 + (strlen(company
)+strlen(product
)+strlen(version
))*2; // utf-16
641 klv_encode_ber_length(pb
, length
);
644 mxf_write_local_tag(pb
, 16, 0x3C0A);
645 mxf_write_uuid(pb
, Identification
, 0);
646 PRINT_KEY(s
, "identification uid", pb
->buf_ptr
- 16);
648 // write generation uid
649 mxf_write_local_tag(pb
, 16, 0x3C09);
650 mxf_write_uuid(pb
, Identification
, 1);
652 mxf_write_local_tag_utf16(pb
, 0x3C01, company
); // Company Name
653 mxf_write_local_tag_utf16(pb
, 0x3C02, product
); // Product Name
654 mxf_write_local_tag_utf16(pb
, 0x3C04, version
); // Version String
657 mxf_write_local_tag(pb
, 16, 0x3C05);
658 mxf_write_uuid(pb
, Identification
, 2);
661 mxf_write_local_tag(pb
, 8, 0x3C06);
662 avio_wb64(pb
, mxf
->timestamp
);
665 static void mxf_write_content_storage(AVFormatContext
*s
)
667 AVIOContext
*pb
= s
->pb
;
669 mxf_write_metadata_key(pb
, 0x011800);
670 PRINT_KEY(s
, "content storage key", pb
->buf_ptr
- 16);
671 klv_encode_ber_length(pb
, 92);
674 mxf_write_local_tag(pb
, 16, 0x3C0A);
675 mxf_write_uuid(pb
, ContentStorage
, 0);
676 PRINT_KEY(s
, "content storage uid", pb
->buf_ptr
- 16);
678 // write package reference
679 mxf_write_local_tag(pb
, 16 * 2 + 8, 0x1901);
680 mxf_write_refs_count(pb
, 2);
681 mxf_write_uuid(pb
, MaterialPackage
, 0);
682 mxf_write_uuid(pb
, SourcePackage
, 0);
684 // write essence container data
685 mxf_write_local_tag(pb
, 8 + 16, 0x1902);
686 mxf_write_refs_count(pb
, 1);
687 mxf_write_uuid(pb
, EssenceContainerData
, 0);
690 static void mxf_write_track(AVFormatContext
*s
, AVStream
*st
, enum MXFMetadataSetType type
)
692 MXFContext
*mxf
= s
->priv_data
;
693 AVIOContext
*pb
= s
->pb
;
694 MXFStreamContext
*sc
= st
->priv_data
;
696 mxf_write_metadata_key(pb
, 0x013b00);
697 PRINT_KEY(s
, "track key", pb
->buf_ptr
- 16);
698 klv_encode_ber_length(pb
, 80);
701 mxf_write_local_tag(pb
, 16, 0x3C0A);
702 mxf_write_uuid(pb
, type
== MaterialPackage
? Track
: Track
+ TypeBottom
, st
->index
);
703 PRINT_KEY(s
, "track uid", pb
->buf_ptr
- 16);
706 mxf_write_local_tag(pb
, 4, 0x4801);
707 avio_wb32(pb
, st
->index
+2);
709 // write track number
710 mxf_write_local_tag(pb
, 4, 0x4804);
711 if (type
== MaterialPackage
)
712 avio_wb32(pb
, 0); // track number of material package is 0
714 avio_write(pb
, sc
->track_essence_element_key
+ 12, 4);
716 mxf_write_local_tag(pb
, 8, 0x4B01);
717 avio_wb32(pb
, mxf
->time_base
.den
);
718 avio_wb32(pb
, mxf
->time_base
.num
);
721 mxf_write_local_tag(pb
, 8, 0x4B02);
724 // write sequence refs
725 mxf_write_local_tag(pb
, 16, 0x4803);
726 mxf_write_uuid(pb
, type
== MaterialPackage
? Sequence
: Sequence
+ TypeBottom
, st
->index
);
729 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 };
731 static void mxf_write_common_fields(AVFormatContext
*s
, AVStream
*st
)
733 MXFContext
*mxf
= s
->priv_data
;
734 AVIOContext
*pb
= s
->pb
;
736 // find data define uls
737 mxf_write_local_tag(pb
, 16, 0x0201);
738 if (st
== mxf
->timecode_track
)
739 avio_write(pb
, smpte_12m_timecode_track_data_ul
, 16);
741 const MXFCodecUL
*data_def_ul
= mxf_get_data_definition_ul(st
->codec
->codec_type
);
742 avio_write(pb
, data_def_ul
->uid
, 16);
746 mxf_write_local_tag(pb
, 8, 0x0202);
747 avio_wb64(pb
, mxf
->duration
);
750 static void mxf_write_sequence(AVFormatContext
*s
, AVStream
*st
, enum MXFMetadataSetType type
)
752 MXFContext
*mxf
= s
->priv_data
;
753 AVIOContext
*pb
= s
->pb
;
754 enum MXFMetadataSetType component
;
756 mxf_write_metadata_key(pb
, 0x010f00);
757 PRINT_KEY(s
, "sequence key", pb
->buf_ptr
- 16);
758 klv_encode_ber_length(pb
, 80);
760 mxf_write_local_tag(pb
, 16, 0x3C0A);
761 mxf_write_uuid(pb
, type
== MaterialPackage
? Sequence
: Sequence
+ TypeBottom
, st
->index
);
763 PRINT_KEY(s
, "sequence uid", pb
->buf_ptr
- 16);
764 mxf_write_common_fields(s
, st
);
766 // write structural component
767 mxf_write_local_tag(pb
, 16 + 8, 0x1001);
768 mxf_write_refs_count(pb
, 1);
769 if (st
== mxf
->timecode_track
)
770 component
= TimecodeComponent
;
772 component
= SourceClip
;
773 if (type
== SourcePackage
)
774 component
+= TypeBottom
;
775 mxf_write_uuid(pb
, component
, st
->index
);
778 static void mxf_write_timecode_component(AVFormatContext
*s
, AVStream
*st
, enum MXFMetadataSetType type
)
780 MXFContext
*mxf
= s
->priv_data
;
781 AVIOContext
*pb
= s
->pb
;
783 mxf_write_metadata_key(pb
, 0x011400);
784 klv_encode_ber_length(pb
, 75);
787 mxf_write_local_tag(pb
, 16, 0x3C0A);
788 mxf_write_uuid(pb
, type
== MaterialPackage
? TimecodeComponent
:
789 TimecodeComponent
+ TypeBottom
, st
->index
);
791 mxf_write_common_fields(s
, st
);
794 mxf_write_local_tag(pb
, 8, 0x1501);
795 avio_wb64(pb
, mxf
->tc
.start
);
797 // Rounded Time Code Base
798 mxf_write_local_tag(pb
, 2, 0x1502);
799 avio_wb16(pb
, mxf
->timecode_base
);
802 mxf_write_local_tag(pb
, 1, 0x1503);
803 avio_w8(pb
, !!(mxf
->tc
.flags
& AV_TIMECODE_FLAG_DROPFRAME
));
806 static void mxf_write_structural_component(AVFormatContext
*s
, AVStream
*st
, enum MXFMetadataSetType type
)
808 AVIOContext
*pb
= s
->pb
;
811 mxf_write_metadata_key(pb
, 0x011100);
812 PRINT_KEY(s
, "sturctural component key", pb
->buf_ptr
- 16);
813 klv_encode_ber_length(pb
, 108);
816 mxf_write_local_tag(pb
, 16, 0x3C0A);
817 mxf_write_uuid(pb
, type
== MaterialPackage
? SourceClip
: SourceClip
+ TypeBottom
, st
->index
);
819 PRINT_KEY(s
, "structural component uid", pb
->buf_ptr
- 16);
820 mxf_write_common_fields(s
, st
);
822 // write start_position
823 mxf_write_local_tag(pb
, 8, 0x1201);
826 // write source package uid, end of the reference
827 mxf_write_local_tag(pb
, 32, 0x1101);
828 if (type
== SourcePackage
) {
829 for (i
= 0; i
< 4; i
++)
832 mxf_write_umid(s
, 1);
834 // write source track id
835 mxf_write_local_tag(pb
, 4, 0x1102);
836 if (type
== SourcePackage
)
839 avio_wb32(pb
, st
->index
+2);
842 static void mxf_write_multi_descriptor(AVFormatContext
*s
)
844 MXFContext
*mxf
= s
->priv_data
;
845 AVIOContext
*pb
= s
->pb
;
849 mxf_write_metadata_key(pb
, 0x014400);
850 PRINT_KEY(s
, "multiple descriptor key", pb
->buf_ptr
- 16);
851 klv_encode_ber_length(pb
, 64 + 16LL * s
->nb_streams
);
853 mxf_write_local_tag(pb
, 16, 0x3C0A);
854 mxf_write_uuid(pb
, MultipleDescriptor
, 0);
855 PRINT_KEY(s
, "multi_desc uid", pb
->buf_ptr
- 16);
858 mxf_write_local_tag(pb
, 8, 0x3001);
859 avio_wb32(pb
, mxf
->time_base
.den
);
860 avio_wb32(pb
, mxf
->time_base
.num
);
862 // write essence container ul
863 mxf_write_local_tag(pb
, 16, 0x3004);
864 if (mxf
->essence_container_count
> 1)
865 ul
= multiple_desc_ul
;
867 MXFStreamContext
*sc
= s
->streams
[0]->priv_data
;
868 ul
= mxf_essence_container_uls
[sc
->index
].container_ul
;
870 avio_write(pb
, ul
, 16);
872 // write sub descriptor refs
873 mxf_write_local_tag(pb
, s
->nb_streams
* 16 + 8, 0x3F01);
874 mxf_write_refs_count(pb
, s
->nb_streams
);
875 for (i
= 0; i
< s
->nb_streams
; i
++)
876 mxf_write_uuid(pb
, SubDescriptor
, i
);
879 static void mxf_write_generic_desc(AVFormatContext
*s
, AVStream
*st
, const UID key
, unsigned size
)
881 MXFContext
*mxf
= s
->priv_data
;
882 MXFStreamContext
*sc
= st
->priv_data
;
883 AVIOContext
*pb
= s
->pb
;
885 avio_write(pb
, key
, 16);
886 klv_encode_ber4_length(pb
, size
+20+8+12+20);
888 mxf_write_local_tag(pb
, 16, 0x3C0A);
889 mxf_write_uuid(pb
, SubDescriptor
, st
->index
);
891 mxf_write_local_tag(pb
, 4, 0x3006);
892 avio_wb32(pb
, st
->index
+2);
894 mxf_write_local_tag(pb
, 8, 0x3001);
895 avio_wb32(pb
, mxf
->time_base
.den
);
896 avio_wb32(pb
, mxf
->time_base
.num
);
898 mxf_write_local_tag(pb
, 16, 0x3004);
899 avio_write(pb
, mxf_essence_container_uls
[sc
->index
].container_ul
, 16);
902 static const UID mxf_mpegvideo_descriptor_key
= { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
903 static const UID mxf_wav_descriptor_key
= { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
904 static const UID mxf_aes3_descriptor_key
= { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
905 static const UID mxf_cdci_descriptor_key
= { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
906 static const UID mxf_generic_sound_descriptor_key
= { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
908 static void mxf_write_cdci_common(AVFormatContext
*s
, AVStream
*st
, const UID key
, unsigned size
)
910 MXFStreamContext
*sc
= st
->priv_data
;
911 AVIOContext
*pb
= s
->pb
;
912 int stored_height
= (st
->codec
->height
+15)/16*16;
915 unsigned desc_size
= size
+8+8+8+8+8+8+5+16+sc
->interlaced
*4+12+20;
916 if (sc
->interlaced
&& sc
->field_dominance
)
919 mxf_write_generic_desc(s
, st
, key
, desc_size
);
921 mxf_write_local_tag(pb
, 4, 0x3203);
922 avio_wb32(pb
, st
->codec
->width
);
924 mxf_write_local_tag(pb
, 4, 0x3202);
925 avio_wb32(pb
, stored_height
>>sc
->interlaced
);
927 mxf_write_local_tag(pb
, 4, 0x3209);
928 avio_wb32(pb
, st
->codec
->width
);
930 if (st
->codec
->height
== 608) // PAL + VBI
931 display_height
= 576;
932 else if (st
->codec
->height
== 512) // NTSC + VBI
933 display_height
= 486;
935 display_height
= st
->codec
->height
;
937 mxf_write_local_tag(pb
, 4, 0x3208);
938 avio_wb32(pb
, display_height
>>sc
->interlaced
);
941 mxf_write_local_tag(pb
, 4, 0x3301);
942 avio_wb32(pb
, sc
->component_depth
);
944 // horizontal subsampling
945 mxf_write_local_tag(pb
, 4, 0x3302);
949 mxf_write_local_tag(pb
, 1, 0x320C);
950 avio_w8(pb
, sc
->interlaced
);
953 switch (st
->codec
->height
) {
954 case 576: f1
= 23; f2
= st
->codec
->codec_id
== AV_CODEC_ID_DVVIDEO
? 335 : 336; break;
955 case 608: f1
= 7; f2
= 320; break;
956 case 480: f1
= 20; f2
= st
->codec
->codec_id
== AV_CODEC_ID_DVVIDEO
? 285 : 283; break;
957 case 512: f1
= 7; f2
= 270; break;
958 case 720: f1
= 26; f2
= 0; break; // progressive
959 case 1080: f1
= 21; f2
= 584; break;
960 default: f1
= 0; f2
= 0; break;
963 if (!sc
->interlaced
) {
968 mxf_write_local_tag(pb
, 12+sc
->interlaced
*4, 0x320D);
969 avio_wb32(pb
, sc
->interlaced
? 2 : 1);
975 mxf_write_local_tag(pb
, 8, 0x320E);
976 avio_wb32(pb
, sc
->aspect_ratio
.num
);
977 avio_wb32(pb
, sc
->aspect_ratio
.den
);
979 mxf_write_local_tag(pb
, 16, 0x3201);
980 avio_write(pb
, *sc
->codec_ul
, 16);
982 if (sc
->interlaced
&& sc
->field_dominance
) {
983 mxf_write_local_tag(pb
, 1, 0x3212);
984 avio_w8(pb
, sc
->field_dominance
);
989 static void mxf_write_cdci_desc(AVFormatContext
*s
, AVStream
*st
)
991 mxf_write_cdci_common(s
, st
, mxf_cdci_descriptor_key
, 0);
994 static void mxf_write_mpegvideo_desc(AVFormatContext
*s
, AVStream
*st
)
996 AVIOContext
*pb
= s
->pb
;
997 MXFStreamContext
*sc
= st
->priv_data
;
998 int profile_and_level
= (st
->codec
->profile
<<4) | st
->codec
->level
;
1000 if (st
->codec
->codec_id
!= AV_CODEC_ID_H264
) {
1001 mxf_write_cdci_common(s
, st
, mxf_mpegvideo_descriptor_key
, 8+5);
1004 mxf_write_local_tag(pb
, 4, 0x8000);
1005 avio_wb32(pb
, sc
->video_bit_rate
);
1007 // profile and level
1008 mxf_write_local_tag(pb
, 1, 0x8007);
1009 if (!st
->codec
->profile
)
1010 profile_and_level
|= 0x80; // escape bit
1011 avio_w8(pb
, profile_and_level
);
1013 mxf_write_cdci_common(s
, st
, mxf_mpegvideo_descriptor_key
, 0);
1017 static void mxf_write_generic_sound_common(AVFormatContext
*s
, AVStream
*st
, const UID key
, unsigned size
)
1019 AVIOContext
*pb
= s
->pb
;
1020 MXFContext
*mxf
= s
->priv_data
;
1021 int show_warnings
= !mxf
->footer_partition_offset
;
1023 mxf_write_generic_desc(s
, st
, key
, size
+5+12+8+8);
1026 mxf_write_local_tag(pb
, 1, 0x3D02);
1029 // write audio sampling rate
1030 mxf_write_local_tag(pb
, 8, 0x3D03);
1031 avio_wb32(pb
, st
->codec
->sample_rate
);
1034 mxf_write_local_tag(pb
, 4, 0x3D07);
1035 if (mxf
->channel_count
== -1) {
1036 if (show_warnings
&& (s
->oformat
== &ff_mxf_d10_muxer
) && (st
->codec
->channels
!= 4) && (st
->codec
->channels
!= 8))
1037 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");
1038 avio_wb32(pb
, st
->codec
->channels
);
1039 } else if (s
->oformat
== &ff_mxf_d10_muxer
) {
1040 if (show_warnings
&& (mxf
->channel_count
< st
->codec
->channels
))
1041 av_log(s
, AV_LOG_WARNING
, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1042 if (show_warnings
&& (mxf
->channel_count
!= 4) && (mxf
->channel_count
!= 8))
1043 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");
1044 avio_wb32(pb
, mxf
->channel_count
);
1046 if (show_warnings
&& mxf
->channel_count
!= -1)
1047 av_log(s
, AV_LOG_ERROR
, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1048 avio_wb32(pb
, st
->codec
->channels
);
1051 mxf_write_local_tag(pb
, 4, 0x3D01);
1052 avio_wb32(pb
, av_get_bits_per_sample(st
->codec
->codec_id
));
1055 static void mxf_write_wav_common(AVFormatContext
*s
, AVStream
*st
, const UID key
, unsigned size
)
1057 AVIOContext
*pb
= s
->pb
;
1059 mxf_write_generic_sound_common(s
, st
, key
, size
+6+8);
1061 mxf_write_local_tag(pb
, 2, 0x3D0A);
1062 avio_wb16(pb
, st
->codec
->block_align
);
1064 // avg bytes per sec
1065 mxf_write_local_tag(pb
, 4, 0x3D09);
1066 avio_wb32(pb
, st
->codec
->block_align
*st
->codec
->sample_rate
);
1069 static void mxf_write_wav_desc(AVFormatContext
*s
, AVStream
*st
)
1071 mxf_write_wav_common(s
, st
, mxf_wav_descriptor_key
, 0);
1074 static void mxf_write_aes3_desc(AVFormatContext
*s
, AVStream
*st
)
1076 mxf_write_wav_common(s
, st
, mxf_aes3_descriptor_key
, 0);
1079 static void mxf_write_generic_sound_desc(AVFormatContext
*s
, AVStream
*st
)
1081 mxf_write_generic_sound_common(s
, st
, mxf_generic_sound_descriptor_key
, 0);
1084 static void mxf_write_package(AVFormatContext
*s
, enum MXFMetadataSetType type
)
1086 MXFContext
*mxf
= s
->priv_data
;
1087 AVIOContext
*pb
= s
->pb
;
1088 int i
, track_count
= s
->nb_streams
+1;
1090 if (type
== MaterialPackage
) {
1091 mxf_write_metadata_key(pb
, 0x013600);
1092 PRINT_KEY(s
, "Material Package key", pb
->buf_ptr
- 16);
1093 klv_encode_ber_length(pb
, 92 + 16*track_count
);
1095 mxf_write_metadata_key(pb
, 0x013700);
1096 PRINT_KEY(s
, "Source Package key", pb
->buf_ptr
- 16);
1097 klv_encode_ber_length(pb
, 112 + 16*track_count
); // 20 bytes length for descriptor reference
1101 mxf_write_local_tag(pb
, 16, 0x3C0A);
1102 mxf_write_uuid(pb
, type
, 0);
1103 av_log(s
,AV_LOG_DEBUG
, "package type:%d\n", type
);
1104 PRINT_KEY(s
, "package uid", pb
->buf_ptr
- 16);
1106 // write package umid
1107 mxf_write_local_tag(pb
, 32, 0x4401);
1108 mxf_write_umid(s
, type
== SourcePackage
);
1109 PRINT_KEY(s
, "package umid second part", pb
->buf_ptr
- 16);
1111 // package creation date
1112 mxf_write_local_tag(pb
, 8, 0x4405);
1113 avio_wb64(pb
, mxf
->timestamp
);
1115 // package modified date
1116 mxf_write_local_tag(pb
, 8, 0x4404);
1117 avio_wb64(pb
, mxf
->timestamp
);
1120 mxf_write_local_tag(pb
, track_count
*16 + 8, 0x4403);
1121 mxf_write_refs_count(pb
, track_count
);
1122 mxf_write_uuid(pb
, type
== MaterialPackage
? Track
:
1123 Track
+ TypeBottom
, -1); // timecode track
1124 for (i
= 0; i
< s
->nb_streams
; i
++)
1125 mxf_write_uuid(pb
, type
== MaterialPackage
? Track
: Track
+ TypeBottom
, i
);
1127 // write multiple descriptor reference
1128 if (type
== SourcePackage
) {
1129 mxf_write_local_tag(pb
, 16, 0x4701);
1130 if (s
->nb_streams
> 1) {
1131 mxf_write_uuid(pb
, MultipleDescriptor
, 0);
1132 mxf_write_multi_descriptor(s
);
1134 mxf_write_uuid(pb
, SubDescriptor
, 0);
1137 // write timecode track
1138 mxf_write_track(s
, mxf
->timecode_track
, type
);
1139 mxf_write_sequence(s
, mxf
->timecode_track
, type
);
1140 mxf_write_timecode_component(s
, mxf
->timecode_track
, type
);
1142 for (i
= 0; i
< s
->nb_streams
; i
++) {
1143 AVStream
*st
= s
->streams
[i
];
1144 mxf_write_track(s
, st
, type
);
1145 mxf_write_sequence(s
, st
, type
);
1146 mxf_write_structural_component(s
, st
, type
);
1148 if (type
== SourcePackage
) {
1149 MXFStreamContext
*sc
= st
->priv_data
;
1150 mxf_essence_container_uls
[sc
->index
].write_desc(s
, st
);
1155 static int mxf_write_essence_container_data(AVFormatContext
*s
)
1157 AVIOContext
*pb
= s
->pb
;
1159 mxf_write_metadata_key(pb
, 0x012300);
1160 klv_encode_ber_length(pb
, 72);
1162 mxf_write_local_tag(pb
, 16, 0x3C0A); // Instance UID
1163 mxf_write_uuid(pb
, EssenceContainerData
, 0);
1165 mxf_write_local_tag(pb
, 32, 0x2701); // Linked Package UID
1166 mxf_write_umid(s
, 1);
1168 mxf_write_local_tag(pb
, 4, 0x3F07); // BodySID
1171 mxf_write_local_tag(pb
, 4, 0x3F06); // IndexSID
1177 static int mxf_write_header_metadata_sets(AVFormatContext
*s
)
1179 mxf_write_preface(s
);
1180 mxf_write_identification(s
);
1181 mxf_write_content_storage(s
);
1182 mxf_write_package(s
, MaterialPackage
);
1183 mxf_write_package(s
, SourcePackage
);
1184 mxf_write_essence_container_data(s
);
1188 static unsigned klv_fill_size(uint64_t size
)
1190 unsigned pad
= KAG_SIZE
- (size
& (KAG_SIZE
-1));
1191 if (pad
< 20) // smallest fill item possible
1192 return pad
+ KAG_SIZE
;
1194 return pad
& (KAG_SIZE
-1);
1197 static void mxf_write_index_table_segment(AVFormatContext
*s
)
1199 MXFContext
*mxf
= s
->priv_data
;
1200 AVIOContext
*pb
= s
->pb
;
1201 int i
, j
, temporal_reordering
= 0;
1202 int key_index
= mxf
->last_key_index
;
1204 av_log(s
, AV_LOG_DEBUG
, "edit units count %d\n", mxf
->edit_units_count
);
1206 if (!mxf
->edit_units_count
&& !mxf
->edit_unit_byte_count
)
1209 avio_write(pb
, index_table_segment_key
, 16);
1211 if (mxf
->edit_unit_byte_count
) {
1212 klv_encode_ber_length(pb
, 80);
1214 klv_encode_ber_length(pb
, 85 + 12+(s
->nb_streams
+1LL)*6 +
1215 12+mxf
->edit_units_count
*(11+mxf
->slice_count
*4LL));
1219 mxf_write_local_tag(pb
, 16, 0x3C0A);
1220 mxf_write_uuid(pb
, IndexTableSegment
, 0);
1223 mxf_write_local_tag(pb
, 8, 0x3F0B);
1224 avio_wb32(pb
, mxf
->time_base
.den
);
1225 avio_wb32(pb
, mxf
->time_base
.num
);
1227 // index start position
1228 mxf_write_local_tag(pb
, 8, 0x3F0C);
1229 avio_wb64(pb
, mxf
->last_indexed_edit_unit
);
1232 mxf_write_local_tag(pb
, 8, 0x3F0D);
1233 if (mxf
->edit_unit_byte_count
)
1234 avio_wb64(pb
, 0); // index table covers whole container
1236 avio_wb64(pb
, mxf
->edit_units_count
);
1238 // edit unit byte count
1239 mxf_write_local_tag(pb
, 4, 0x3F05);
1240 avio_wb32(pb
, mxf
->edit_unit_byte_count
);
1243 mxf_write_local_tag(pb
, 4, 0x3F06);
1247 mxf_write_local_tag(pb
, 4, 0x3F07);
1250 if (!mxf
->edit_unit_byte_count
) {
1251 // real slice count - 1
1252 mxf_write_local_tag(pb
, 1, 0x3F08);
1253 avio_w8(pb
, mxf
->slice_count
);
1255 // delta entry array
1256 mxf_write_local_tag(pb
, 8 + (s
->nb_streams
+1)*6, 0x3F09);
1257 avio_wb32(pb
, s
->nb_streams
+1); // num of entries
1258 avio_wb32(pb
, 6); // size of one entry
1259 // write system item delta entry
1261 avio_w8(pb
, 0); // slice entry
1262 avio_wb32(pb
, 0); // element delta
1263 for (i
= 0; i
< s
->nb_streams
; i
++) {
1264 AVStream
*st
= s
->streams
[i
];
1265 MXFStreamContext
*sc
= st
->priv_data
;
1266 avio_w8(pb
, sc
->temporal_reordering
);
1267 if (sc
->temporal_reordering
)
1268 temporal_reordering
= 1;
1269 if (i
== 0) { // video track
1270 avio_w8(pb
, 0); // slice number
1271 avio_wb32(pb
, KAG_SIZE
); // system item size including klv fill
1272 } else { // audio track
1273 unsigned audio_frame_size
= sc
->aic
.samples
[0]*sc
->aic
.sample_size
;
1274 audio_frame_size
+= klv_fill_size(audio_frame_size
);
1276 avio_wb32(pb
, (i
-1)*audio_frame_size
); // element delta
1280 mxf_write_local_tag(pb
, 8 + mxf
->edit_units_count
*(11+mxf
->slice_count
*4), 0x3F0A);
1281 avio_wb32(pb
, mxf
->edit_units_count
); // num of entries
1282 avio_wb32(pb
, 11+mxf
->slice_count
*4); // size of one entry
1284 for (i
= 0; i
< mxf
->edit_units_count
; i
++) {
1285 int temporal_offset
= 0;
1287 if (!(mxf
->index_entries
[i
].flags
& 0x33)) { // I frame
1288 mxf
->last_key_index
= key_index
;
1292 if (temporal_reordering
) {
1293 int pic_num_in_gop
= i
- key_index
;
1294 if (pic_num_in_gop
!= mxf
->index_entries
[i
].temporal_ref
) {
1295 for (j
= key_index
; j
< mxf
->edit_units_count
; j
++) {
1296 if (pic_num_in_gop
== mxf
->index_entries
[j
].temporal_ref
)
1299 if (j
== mxf
->edit_units_count
)
1300 av_log(s
, AV_LOG_WARNING
, "missing frames\n");
1301 temporal_offset
= j
- key_index
- pic_num_in_gop
;
1304 avio_w8(pb
, temporal_offset
);
1306 if ((mxf
->index_entries
[i
].flags
& 0x30) == 0x30) { // back and forward prediction
1307 avio_w8(pb
, mxf
->last_key_index
- i
);
1309 avio_w8(pb
, key_index
- i
); // key frame offset
1310 if ((mxf
->index_entries
[i
].flags
& 0x20) == 0x20) // only forward
1311 mxf
->last_key_index
= key_index
;
1314 if (!(mxf
->index_entries
[i
].flags
& 0x33) && // I frame
1315 mxf
->index_entries
[i
].flags
& 0x40 && !temporal_offset
)
1316 mxf
->index_entries
[i
].flags
|= 0x80; // random access
1317 avio_w8(pb
, mxf
->index_entries
[i
].flags
);
1319 avio_wb64(pb
, mxf
->index_entries
[i
].offset
);
1320 if (s
->nb_streams
> 1)
1321 avio_wb32(pb
, mxf
->index_entries
[i
].slice_offset
);
1324 mxf
->last_key_index
= key_index
- mxf
->edit_units_count
;
1325 mxf
->last_indexed_edit_unit
+= mxf
->edit_units_count
;
1326 mxf
->edit_units_count
= 0;
1330 static void mxf_write_klv_fill(AVFormatContext
*s
)
1332 unsigned pad
= klv_fill_size(avio_tell(s
->pb
));
1334 avio_write(s
->pb
, klv_fill_key
, 16);
1336 klv_encode_ber4_length(s
->pb
, pad
);
1337 ffio_fill(s
->pb
, 0, pad
);
1338 av_assert1(!(avio_tell(s
->pb
) & (KAG_SIZE
-1)));
1342 static int mxf_write_partition(AVFormatContext
*s
, int bodysid
,
1344 const uint8_t *key
, int write_metadata
)
1346 MXFContext
*mxf
= s
->priv_data
;
1347 AVIOContext
*pb
= s
->pb
;
1348 int64_t header_byte_count_offset
;
1349 unsigned index_byte_count
= 0;
1350 uint64_t partition_offset
= avio_tell(pb
);
1353 if (!mxf
->edit_unit_byte_count
&& mxf
->edit_units_count
)
1354 index_byte_count
= 85 + 12+(s
->nb_streams
+1)*6 +
1355 12+mxf
->edit_units_count
*(11+mxf
->slice_count
*4);
1356 else if (mxf
->edit_unit_byte_count
&& indexsid
)
1357 index_byte_count
= 80;
1359 if (index_byte_count
) {
1360 // add encoded ber length
1361 index_byte_count
+= 16 + klv_ber_length(index_byte_count
);
1362 index_byte_count
+= klv_fill_size(index_byte_count
);
1365 if (!memcmp(key
, body_partition_key
, 16)) {
1366 if ((err
= av_reallocp_array(&mxf
->body_partition_offset
, mxf
->body_partitions_count
+ 1,
1367 sizeof(*mxf
->body_partition_offset
))) < 0) {
1368 mxf
->body_partitions_count
= 0;
1371 mxf
->body_partition_offset
[mxf
->body_partitions_count
++] = partition_offset
;
1375 avio_write(pb
, key
, 16);
1376 klv_encode_ber_length(pb
, 88 + 16LL * DESCRIPTOR_COUNT(mxf
->essence_container_count
));
1378 // write partition value
1379 avio_wb16(pb
, 1); // majorVersion
1380 avio_wb16(pb
, 2); // minorVersion
1381 avio_wb32(pb
, KAG_SIZE
); // KAGSize
1383 avio_wb64(pb
, partition_offset
); // ThisPartition
1385 if (!memcmp(key
, body_partition_key
, 16) && mxf
->body_partitions_count
> 1)
1386 avio_wb64(pb
, mxf
->body_partition_offset
[mxf
->body_partitions_count
-2]); // PreviousPartition
1387 else if (!memcmp(key
, footer_partition_key
, 16) && mxf
->body_partitions_count
)
1388 avio_wb64(pb
, mxf
->body_partition_offset
[mxf
->body_partitions_count
-1]); // PreviousPartition
1392 avio_wb64(pb
, mxf
->footer_partition_offset
); // footerPartition
1395 header_byte_count_offset
= avio_tell(pb
);
1396 avio_wb64(pb
, 0); // headerByteCount, update later
1399 avio_wb64(pb
, index_byte_count
); // indexByteCount
1400 avio_wb32(pb
, index_byte_count
? indexsid
: 0); // indexSID
1403 if (bodysid
&& mxf
->edit_units_count
&& mxf
->body_partitions_count
) {
1404 avio_wb64(pb
, mxf
->body_offset
);
1408 avio_wb32(pb
, bodysid
); // bodySID
1410 // operational pattern
1411 avio_write(pb
, op1a_ul
, 16);
1413 // essence container
1414 mxf_write_essence_container_refs(s
);
1416 if (write_metadata
) {
1417 // mark the start of the headermetadata and calculate metadata size
1419 unsigned header_byte_count
;
1421 mxf_write_klv_fill(s
);
1422 start
= avio_tell(s
->pb
);
1423 mxf_write_primer_pack(s
);
1424 mxf_write_header_metadata_sets(s
);
1425 pos
= avio_tell(s
->pb
);
1426 header_byte_count
= pos
- start
+ klv_fill_size(pos
);
1428 // update header_byte_count
1429 avio_seek(pb
, header_byte_count_offset
, SEEK_SET
);
1430 avio_wb64(pb
, header_byte_count
);
1431 avio_seek(pb
, pos
, SEEK_SET
);
1439 static int mxf_parse_dnxhd_frame(AVFormatContext
*s
, AVStream
*st
,
1442 MXFContext
*mxf
= s
->priv_data
;
1443 MXFStreamContext
*sc
= st
->priv_data
;
1445 uint8_t* header_cid
;
1448 if (mxf
->header_written
)
1454 header_cid
= pkt
->data
+ 0x28;
1455 cid
= header_cid
[0] << 24 | header_cid
[1] << 16 | header_cid
[2] << 8 | header_cid
[3];
1457 if ((frame_size
= avpriv_dnxhd_get_frame_size(cid
)) < 0)
1463 sc
->component_depth
= 10;
1473 sc
->component_depth
= 10;
1483 sc
->component_depth
= 10;
1498 sc
->codec_ul
= &mxf_essence_container_uls
[sc
->index
].codec_ul
;
1499 sc
->aspect_ratio
= (AVRational
){ 16, 9 };
1501 mxf
->edit_unit_byte_count
= KAG_SIZE
;
1502 for (i
= 0; i
< s
->nb_streams
; i
++) {
1503 AVStream
*st
= s
->streams
[i
];
1504 MXFStreamContext
*sc
= st
->priv_data
;
1505 if (st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1506 mxf
->edit_unit_byte_count
+= 16 + 4 + sc
->aic
.samples
[0]*sc
->aic
.sample_size
;
1507 mxf
->edit_unit_byte_count
+= klv_fill_size(mxf
->edit_unit_byte_count
);
1508 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1509 mxf
->edit_unit_byte_count
+= 16 + 4 + frame_size
;
1510 mxf
->edit_unit_byte_count
+= klv_fill_size(mxf
->edit_unit_byte_count
);
1517 static int mxf_parse_dv_frame(AVFormatContext
*s
, AVStream
*st
, AVPacket
*pkt
)
1519 MXFContext
*mxf
= s
->priv_data
;
1520 MXFStreamContext
*sc
= st
->priv_data
;
1521 uint8_t *vs_pack
, *vsc_pack
;
1522 int i
, ul_index
, frame_size
, stype
, pal
;
1524 if (mxf
->header_written
)
1527 // Check for minimal frame size
1528 if (pkt
->size
< 120000)
1531 vs_pack
= pkt
->data
+ 80*5 + 48;
1532 vsc_pack
= pkt
->data
+ 80*5 + 53;
1533 stype
= vs_pack
[3] & 0x1f;
1534 pal
= (vs_pack
[3] >> 5) & 0x1;
1536 if ((vs_pack
[2] & 0x07) == 0x02)
1537 sc
->aspect_ratio
= (AVRational
){ 16, 9 };
1539 sc
->aspect_ratio
= (AVRational
){ 4, 3 };
1541 sc
->interlaced
= (vsc_pack
[3] >> 4) & 0x01;
1542 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1543 // and set field dominance accordingly
1544 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1547 case 0x18: // DV100 720p
1549 frame_size
= pal
? 288000 : 240000;
1550 if (sc
->interlaced
) {
1551 av_log(s
, AV_LOG_ERROR
, "source marked as interlaced but codec profile is progressive\n");
1555 case 0x14: // DV100 1080i
1557 frame_size
= pal
? 576000 : 480000;
1561 frame_size
= pal
? 288000 : 240000;
1565 frame_size
= pal
? 144000 : 120000;
1568 sc
->index
= ul_index
+ 16;
1569 sc
->codec_ul
= &mxf_essence_container_uls
[sc
->index
].codec_ul
;
1571 mxf
->edit_unit_byte_count
= KAG_SIZE
;
1572 for (i
= 0; i
< s
->nb_streams
; i
++) {
1573 AVStream
*st
= s
->streams
[i
];
1574 MXFStreamContext
*sc
= st
->priv_data
;
1575 if (st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1576 mxf
->edit_unit_byte_count
+= 16 + 4 + sc
->aic
.samples
[0]*sc
->aic
.sample_size
;
1577 mxf
->edit_unit_byte_count
+= klv_fill_size(mxf
->edit_unit_byte_count
);
1578 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1579 mxf
->edit_unit_byte_count
+= 16 + 4 + frame_size
;
1580 mxf
->edit_unit_byte_count
+= klv_fill_size(mxf
->edit_unit_byte_count
);
1587 static const struct {
1592 } mxf_h264_codec_uls
[] = {
1593 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1594 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1595 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1596 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1597 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1598 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1599 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1600 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1601 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1602 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1603 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1604 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1605 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1606 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1609 static int mxf_parse_h264_frame(AVFormatContext
*s
, AVStream
*st
,
1610 AVPacket
*pkt
, MXFIndexEntry
*e
)
1612 MXFContext
*mxf
= s
->priv_data
;
1613 MXFStreamContext
*sc
= st
->priv_data
;
1614 static const int mxf_h264_num_codec_uls
= sizeof(mxf_h264_codec_uls
) / sizeof(mxf_h264_codec_uls
[0]);
1615 const uint8_t *buf
= pkt
->data
;
1616 const uint8_t *buf_end
= pkt
->data
+ pkt
->size
;
1617 uint32_t state
= -1;
1618 int extra_size
= 512; // support AVC Intra files without SPS/PPS header
1622 if (pkt
->size
> extra_size
)
1623 buf_end
-= pkt
->size
- extra_size
; // no need to parse beyond SPS/PPS header
1626 buf
= avpriv_find_start_code(buf
, buf_end
, &state
);
1630 switch (state
& 0x1f) {
1632 st
->codec
->profile
= buf
[1];
1636 if (e
->flags
& 0x40) { // sequence header present
1637 e
->flags
|= 0x80; // random access
1647 if (mxf
->header_written
)
1650 sc
->aspect_ratio
= (AVRational
){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1651 sc
->component_depth
= 10; // AVC Intra is always 10 Bit
1652 sc
->interlaced
= st
->codec
->field_order
!= AV_FIELD_PROGRESSIVE
? 1 : 0;
1654 sc
->field_dominance
= 1; // top field first is mandatory for AVC Intra
1657 frame_size
= pkt
->size
+ extra_size
;
1658 for (i
= 0; i
< mxf_h264_num_codec_uls
; i
++) {
1659 if (frame_size
== mxf_h264_codec_uls
[i
].frame_size
&& sc
->interlaced
== mxf_h264_codec_uls
[i
].interlaced
) {
1660 sc
->codec_ul
= &mxf_h264_codec_uls
[i
].uid
;
1662 } else if (st
->codec
->profile
== mxf_h264_codec_uls
[i
].profile
) {
1663 sc
->codec_ul
= &mxf_h264_codec_uls
[i
].uid
;
1669 av_log(s
, AV_LOG_ERROR
, "AVC Intra 50/100 supported only\n");
1676 static const UID mxf_mpeg2_codec_uls
[] = {
1677 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1678 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1679 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1680 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1681 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1682 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1683 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1684 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1685 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1686 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1689 static const UID
*mxf_get_mpeg2_codec_ul(AVCodecContext
*avctx
)
1691 int long_gop
= avctx
->gop_size
> 1 || avctx
->has_b_frames
;
1693 if (avctx
->profile
== 4) { // Main
1694 if (avctx
->level
== 8) // Main
1695 return &mxf_mpeg2_codec_uls
[0+long_gop
];
1696 else if (avctx
->level
== 4) // High
1697 return &mxf_mpeg2_codec_uls
[4+long_gop
];
1698 else if (avctx
->level
== 6) // High 14
1699 return &mxf_mpeg2_codec_uls
[8+long_gop
];
1700 } else if (avctx
->profile
== 0) { // 422
1701 if (avctx
->level
== 5) // Main
1702 return &mxf_mpeg2_codec_uls
[2+long_gop
];
1703 else if (avctx
->level
== 2) // High
1704 return &mxf_mpeg2_codec_uls
[6+long_gop
];
1709 static int mxf_parse_mpeg2_frame(AVFormatContext
*s
, AVStream
*st
,
1710 AVPacket
*pkt
, MXFIndexEntry
*e
)
1712 MXFStreamContext
*sc
= st
->priv_data
;
1716 for(i
= 0; i
< pkt
->size
- 4; i
++) {
1717 c
= (c
<<8) + pkt
->data
[i
];
1719 if ((pkt
->data
[i
+1] & 0xf0) == 0x10) { // seq ext
1720 st
->codec
->profile
= pkt
->data
[i
+1] & 0x07;
1721 st
->codec
->level
= pkt
->data
[i
+2] >> 4;
1722 } else if (i
+ 5 < pkt
->size
&& (pkt
->data
[i
+1] & 0xf0) == 0x80) { // pict coding ext
1723 sc
->interlaced
= !(pkt
->data
[i
+5] & 0x80); // progressive frame
1725 sc
->field_dominance
= 1 + !(pkt
->data
[i
+4] & 0x80); // top field first
1728 } else if (c
== 0x1b8) { // gop
1729 if (pkt
->data
[i
+4]>>6 & 0x01) { // closed
1731 if (e
->flags
& 0x40) // sequence header present
1732 e
->flags
|= 0x80; // random access
1734 } else if (c
== 0x1b3) { // seq
1736 switch ((pkt
->data
[i
+4]>>4) & 0xf) {
1737 case 2: sc
->aspect_ratio
= (AVRational
){ 4, 3}; break;
1738 case 3: sc
->aspect_ratio
= (AVRational
){ 16, 9}; break;
1739 case 4: sc
->aspect_ratio
= (AVRational
){221,100}; break;
1741 av_reduce(&sc
->aspect_ratio
.num
, &sc
->aspect_ratio
.den
,
1742 st
->codec
->width
, st
->codec
->height
, 1024*1024);
1744 } else if (c
== 0x100) { // pic
1745 int pict_type
= (pkt
->data
[i
+2]>>3) & 0x07;
1746 e
->temporal_ref
= (pkt
->data
[i
+1]<<2) | (pkt
->data
[i
+2]>>6);
1747 if (pict_type
== 2) { // P frame
1749 sc
->closed_gop
= 0; // reset closed gop, don't matter anymore
1750 } else if (pict_type
== 3) { // B frame
1752 e
->flags
|= 0x13; // only backward prediction
1755 sc
->temporal_reordering
= -1;
1756 } else if (!pict_type
) {
1757 av_log(s
, AV_LOG_ERROR
, "error parsing mpeg2 frame\n");
1762 if (s
->oformat
!= &ff_mxf_d10_muxer
)
1763 sc
->codec_ul
= mxf_get_mpeg2_codec_ul(st
->codec
);
1764 return !!sc
->codec_ul
;
1767 static uint64_t mxf_parse_timestamp(time_t timestamp
)
1770 struct tm
*time
= gmtime_r(×tamp
, &tmbuf
);
1773 return (uint64_t)(time
->tm_year
+1900) << 48 |
1774 (uint64_t)(time
->tm_mon
+1) << 40 |
1775 (uint64_t) time
->tm_mday
<< 32 |
1776 time
->tm_hour
<< 24 |
1777 time
->tm_min
<< 16 |
1781 static void mxf_gen_umid(AVFormatContext
*s
)
1783 MXFContext
*mxf
= s
->priv_data
;
1784 uint32_t seed
= av_get_random_seed();
1785 uint64_t umid
= seed
+ 0x5294713400000000LL
;
1787 AV_WB64(mxf
->umid
, umid
);
1788 AV_WB64(mxf
->umid
+8, umid
>>8);
1790 mxf
->instance_number
= seed
& 0xFFFFFF;
1793 static int mxf_write_header(AVFormatContext
*s
)
1795 MXFContext
*mxf
= s
->priv_data
;
1797 uint8_t present
[FF_ARRAY_ELEMS(mxf_essence_container_uls
)] = {0};
1798 const MXFSamplesPerFrame
*spf
= NULL
;
1799 AVDictionaryEntry
*t
;
1800 int64_t timestamp
= 0;
1801 AVDictionaryEntry
*tcr
= av_dict_get(s
->metadata
, "timecode", NULL
, 0);
1806 for (i
= 0; i
< s
->nb_streams
; i
++) {
1807 AVStream
*st
= s
->streams
[i
];
1808 MXFStreamContext
*sc
= av_mallocz(sizeof(*sc
));
1810 return AVERROR(ENOMEM
);
1813 if ((i
== 0) ^ (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
)) {
1814 av_log(s
, AV_LOG_ERROR
, "there must be exactly one video stream and it must be the first one\n");
1818 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1819 // TODO: should be avg_frame_rate
1820 AVRational rate
, tbc
= st
->time_base
;
1821 // Default component depth to 8
1822 sc
->component_depth
= 8;
1823 mxf
->timecode_base
= (tbc
.den
+ tbc
.num
/2) / tbc
.num
;
1824 spf
= ff_mxf_get_samples_per_frame(s
, tbc
);
1826 av_log(s
, AV_LOG_ERROR
, "Unsupported video frame rate %d/%d\n",
1828 return AVERROR(EINVAL
);
1830 mxf
->time_base
= spf
->time_base
;
1831 rate
= av_inv_q(mxf
->time_base
);
1832 avpriv_set_pts_info(st
, 64, mxf
->time_base
.num
, mxf
->time_base
.den
);
1834 tcr
= av_dict_get(st
->metadata
, "timecode", NULL
, 0);
1836 ret
= av_timecode_init_from_string(&mxf
->tc
, rate
, tcr
->value
, s
);
1838 ret
= av_timecode_init(&mxf
->tc
, rate
, 0, 0, s
);
1841 sc
->video_bit_rate
= st
->codec
->bit_rate
? st
->codec
->bit_rate
: st
->codec
->rc_max_rate
;
1842 if (s
->oformat
== &ff_mxf_d10_muxer
) {
1843 if (sc
->video_bit_rate
== 50000000) {
1844 if (mxf
->time_base
.den
== 25) sc
->index
= 3;
1846 } else if (sc
->video_bit_rate
== 40000000) {
1847 if (mxf
->time_base
.den
== 25) sc
->index
= 7;
1849 } else if (sc
->video_bit_rate
== 30000000) {
1850 if (mxf
->time_base
.den
== 25) sc
->index
= 11;
1851 else sc
->index
= 13;
1853 av_log(s
, AV_LOG_ERROR
, "error MXF D-10 only support 30/40/50 mbit/s\n");
1857 mxf
->edit_unit_byte_count
= KAG_SIZE
; // system element
1858 mxf
->edit_unit_byte_count
+= 16 + 4 + (uint64_t)sc
->video_bit_rate
*
1859 mxf
->time_base
.num
/ (8*mxf
->time_base
.den
);
1860 mxf
->edit_unit_byte_count
+= klv_fill_size(mxf
->edit_unit_byte_count
);
1861 mxf
->edit_unit_byte_count
+= 16 + 4 + 4 + spf
->samples_per_frame
[0]*8*4;
1862 mxf
->edit_unit_byte_count
+= klv_fill_size(mxf
->edit_unit_byte_count
);
1864 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1865 if (st
->codec
->sample_rate
!= 48000) {
1866 av_log(s
, AV_LOG_ERROR
, "only 48khz is implemented\n");
1869 avpriv_set_pts_info(st
, 64, 1, st
->codec
->sample_rate
);
1870 if (s
->oformat
== &ff_mxf_d10_muxer
) {
1871 if (st
->index
!= 1) {
1872 av_log(s
, AV_LOG_ERROR
, "MXF D-10 only support one audio track\n");
1875 if (st
->codec
->codec_id
!= AV_CODEC_ID_PCM_S16LE
&&
1876 st
->codec
->codec_id
!= AV_CODEC_ID_PCM_S24LE
) {
1877 av_log(s
, AV_LOG_ERROR
, "MXF D-10 only support 16 or 24 bits le audio\n");
1879 sc
->index
= ((MXFStreamContext
*)s
->streams
[0]->priv_data
)->index
+ 1;
1881 mxf
->slice_count
= 1;
1885 sc
->index
= mxf_get_essence_container_ul_index(st
->codec
->codec_id
);
1886 if (sc
->index
== -1) {
1887 av_log(s
, AV_LOG_ERROR
, "track %d: could not find essence container ul, "
1888 "codec not currently supported in container\n", i
);
1893 sc
->codec_ul
= &mxf_essence_container_uls
[sc
->index
].codec_ul
;
1895 memcpy(sc
->track_essence_element_key
, mxf_essence_container_uls
[sc
->index
].element_ul
, 15);
1896 sc
->track_essence_element_key
[15] = present
[sc
->index
];
1897 PRINT_KEY(s
, "track essence element key", sc
->track_essence_element_key
);
1899 if (!present
[sc
->index
])
1900 mxf
->essence_container_count
++;
1901 present
[sc
->index
]++;
1904 if (s
->oformat
== &ff_mxf_d10_muxer
) {
1905 mxf
->essence_container_count
= 1;
1908 if (!(s
->flags
& AVFMT_FLAG_BITEXACT
))
1911 for (i
= 0; i
< s
->nb_streams
; i
++) {
1912 MXFStreamContext
*sc
= s
->streams
[i
]->priv_data
;
1913 // update element count
1914 sc
->track_essence_element_key
[13] = present
[sc
->index
];
1915 if (!memcmp(sc
->track_essence_element_key
, mxf_essence_container_uls
[15].element_ul
, 13)) // DV
1916 sc
->order
= (0x15 << 24) | AV_RB32(sc
->track_essence_element_key
+13);
1918 sc
->order
= AV_RB32(sc
->track_essence_element_key
+12);
1921 if (t
= av_dict_get(s
->metadata
, "creation_time", NULL
, 0))
1922 timestamp
= ff_iso8601_to_unix_time(t
->value
);
1924 mxf
->timestamp
= mxf_parse_timestamp(timestamp
);
1927 mxf
->timecode_track
= av_mallocz(sizeof(*mxf
->timecode_track
));
1928 if (!mxf
->timecode_track
)
1929 return AVERROR(ENOMEM
);
1930 mxf
->timecode_track
->priv_data
= av_mallocz(sizeof(MXFStreamContext
));
1931 if (!mxf
->timecode_track
->priv_data
)
1932 return AVERROR(ENOMEM
);
1933 mxf
->timecode_track
->index
= -1;
1936 spf
= ff_mxf_get_samples_per_frame(s
, (AVRational
){ 1, 25 });
1938 if (ff_audio_interleave_init(s
, spf
->samples_per_frame
, mxf
->time_base
) < 0)
1944 static const uint8_t system_metadata_pack_key
[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
1945 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 };
1947 static void mxf_write_system_item(AVFormatContext
*s
)
1949 MXFContext
*mxf
= s
->priv_data
;
1950 AVIOContext
*pb
= s
->pb
;
1954 frame
= mxf
->last_indexed_edit_unit
+ mxf
->edit_units_count
;
1956 // write system metadata pack
1957 avio_write(pb
, system_metadata_pack_key
, 16);
1958 klv_encode_ber4_length(pb
, 57);
1959 avio_w8(pb
, 0x5c); // UL, user date/time stamp, picture and sound item present
1960 avio_w8(pb
, 0x04); // content package rate
1961 avio_w8(pb
, 0x00); // content package type
1962 avio_wb16(pb
, 0x00); // channel handle
1963 avio_wb16(pb
, (mxf
->tc
.start
+ frame
) & 0xFFFF); // continuity count, supposed to overflow
1964 if (mxf
->essence_container_count
> 1)
1965 avio_write(pb
, multiple_desc_ul
, 16);
1967 MXFStreamContext
*sc
= s
->streams
[0]->priv_data
;
1968 avio_write(pb
, mxf_essence_container_uls
[sc
->index
].container_ul
, 16);
1972 avio_wb64(pb
, 0); // creation date/time stamp
1974 avio_w8(pb
, 0x81); // SMPTE 12M time code
1975 time_code
= av_timecode_get_smpte_from_framenum(&mxf
->tc
, frame
);
1976 avio_wb32(pb
, time_code
);
1977 avio_wb32(pb
, 0); // binary group data
1980 // write system metadata package set
1981 avio_write(pb
, system_metadata_package_set_key
, 16);
1982 klv_encode_ber4_length(pb
, 35);
1983 avio_w8(pb
, 0x83); // UMID
1984 avio_wb16(pb
, 0x20);
1985 mxf_write_umid(s
, 1);
1988 static void mxf_write_d10_video_packet(AVFormatContext
*s
, AVStream
*st
, AVPacket
*pkt
)
1990 MXFContext
*mxf
= s
->priv_data
;
1991 AVIOContext
*pb
= s
->pb
;
1992 MXFStreamContext
*sc
= st
->priv_data
;
1993 int packet_size
= (uint64_t)sc
->video_bit_rate
*mxf
->time_base
.num
/
1994 (8*mxf
->time_base
.den
); // frame size
1997 packet_size
+= 16 + 4;
1998 packet_size
+= klv_fill_size(packet_size
);
2000 klv_encode_ber4_length(pb
, pkt
->size
);
2001 avio_write(pb
, pkt
->data
, pkt
->size
);
2003 // ensure CBR muxing by padding to correct video frame size
2004 pad
= packet_size
- pkt
->size
- 16 - 4;
2006 avio_write(s
->pb
, klv_fill_key
, 16);
2008 klv_encode_ber4_length(s
->pb
, pad
);
2009 ffio_fill(s
->pb
, 0, pad
);
2010 av_assert1(!(avio_tell(s
->pb
) & (KAG_SIZE
-1)));
2012 av_log(s
, AV_LOG_WARNING
, "cannot fill d-10 video packet\n");
2013 ffio_fill(s
->pb
, 0, pad
);
2017 static void mxf_write_d10_audio_packet(AVFormatContext
*s
, AVStream
*st
, AVPacket
*pkt
)
2019 MXFContext
*mxf
= s
->priv_data
;
2020 AVIOContext
*pb
= s
->pb
;
2021 int frame_size
= pkt
->size
/ st
->codec
->block_align
;
2022 uint8_t *samples
= pkt
->data
;
2023 uint8_t *end
= pkt
->data
+ pkt
->size
;
2026 klv_encode_ber4_length(pb
, 4 + frame_size
*4*8);
2028 avio_w8(pb
, (frame_size
== 1920 ? 0 : (mxf
->edit_units_count
-1) % 5 + 1));
2029 avio_wl16(pb
, frame_size
);
2030 avio_w8(pb
, (1<<st
->codec
->channels
)-1);
2032 while (samples
< end
) {
2033 for (i
= 0; i
< st
->codec
->channels
; i
++) {
2035 if (st
->codec
->codec_id
== AV_CODEC_ID_PCM_S24LE
) {
2036 sample
= AV_RL24(samples
)<< 4;
2039 sample
= AV_RL16(samples
)<<12;
2042 avio_wl32(pb
, sample
| i
);
2049 static int mxf_write_packet(AVFormatContext
*s
, AVPacket
*pkt
)
2051 MXFContext
*mxf
= s
->priv_data
;
2052 AVIOContext
*pb
= s
->pb
;
2053 AVStream
*st
= s
->streams
[pkt
->stream_index
];
2054 MXFStreamContext
*sc
= st
->priv_data
;
2055 MXFIndexEntry ie
= {0};
2058 if (!mxf
->edit_unit_byte_count
&& !(mxf
->edit_units_count
% EDIT_UNITS_PER_BODY
)) {
2059 if ((err
= av_reallocp_array(&mxf
->index_entries
, mxf
->edit_units_count
2060 + EDIT_UNITS_PER_BODY
, sizeof(*mxf
->index_entries
))) < 0) {
2061 mxf
->edit_units_count
= 0;
2062 av_log(s
, AV_LOG_ERROR
, "could not allocate index entries\n");
2067 if (st
->codec
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
) {
2068 if (!mxf_parse_mpeg2_frame(s
, st
, pkt
, &ie
)) {
2069 av_log(s
, AV_LOG_ERROR
, "could not get mpeg2 profile and level\n");
2072 } else if (st
->codec
->codec_id
== AV_CODEC_ID_DNXHD
) {
2073 if (!mxf_parse_dnxhd_frame(s
, st
, pkt
)) {
2074 av_log(s
, AV_LOG_ERROR
, "could not get dnxhd profile\n");
2077 } else if (st
->codec
->codec_id
== AV_CODEC_ID_DVVIDEO
) {
2078 if (!mxf_parse_dv_frame(s
, st
, pkt
)) {
2079 av_log(s
, AV_LOG_ERROR
, "could not get dv profile\n");
2082 } else if (st
->codec
->codec_id
== AV_CODEC_ID_H264
) {
2083 if (!mxf_parse_h264_frame(s
, st
, pkt
, &ie
)) {
2084 av_log(s
, AV_LOG_ERROR
, "could not get h264 profile\n");
2089 if (!mxf
->header_written
) {
2090 if (mxf
->edit_unit_byte_count
) {
2091 if ((err
= mxf_write_partition(s
, 1, 2, header_open_partition_key
, 1)) < 0)
2093 mxf_write_klv_fill(s
);
2094 mxf_write_index_table_segment(s
);
2096 if ((err
= mxf_write_partition(s
, 0, 0, header_open_partition_key
, 1)) < 0)
2099 mxf
->header_written
= 1;
2102 if (st
->index
== 0) {
2103 if (!mxf
->edit_unit_byte_count
&&
2104 (!mxf
->edit_units_count
|| mxf
->edit_units_count
> EDIT_UNITS_PER_BODY
) &&
2105 !(ie
.flags
& 0x33)) { // I frame, Gop start
2106 mxf_write_klv_fill(s
);
2107 if ((err
= mxf_write_partition(s
, 1, 2, body_partition_key
, 0)) < 0)
2109 mxf_write_klv_fill(s
);
2110 mxf_write_index_table_segment(s
);
2113 mxf_write_klv_fill(s
);
2114 mxf_write_system_item(s
);
2116 if (!mxf
->edit_unit_byte_count
) {
2117 mxf
->index_entries
[mxf
->edit_units_count
].offset
= mxf
->body_offset
;
2118 mxf
->index_entries
[mxf
->edit_units_count
].flags
= ie
.flags
;
2119 mxf
->index_entries
[mxf
->edit_units_count
].temporal_ref
= ie
.temporal_ref
;
2120 mxf
->body_offset
+= KAG_SIZE
; // size of system element
2122 mxf
->edit_units_count
++;
2123 } else if (!mxf
->edit_unit_byte_count
&& st
->index
== 1) {
2124 mxf
->index_entries
[mxf
->edit_units_count
-1].slice_offset
=
2125 mxf
->body_offset
- mxf
->index_entries
[mxf
->edit_units_count
-1].offset
;
2128 mxf_write_klv_fill(s
);
2129 avio_write(pb
, sc
->track_essence_element_key
, 16); // write key
2130 if (s
->oformat
== &ff_mxf_d10_muxer
) {
2131 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
)
2132 mxf_write_d10_video_packet(s
, st
, pkt
);
2134 mxf_write_d10_audio_packet(s
, st
, pkt
);
2136 klv_encode_ber4_length(pb
, pkt
->size
); // write length
2137 avio_write(pb
, pkt
->data
, pkt
->size
);
2138 mxf
->body_offset
+= 16+4+pkt
->size
+ klv_fill_size(16+4+pkt
->size
);
2146 static void mxf_write_random_index_pack(AVFormatContext
*s
)
2148 MXFContext
*mxf
= s
->priv_data
;
2149 AVIOContext
*pb
= s
->pb
;
2150 uint64_t pos
= avio_tell(pb
);
2153 avio_write(pb
, random_index_pack_key
, 16);
2154 klv_encode_ber_length(pb
, 28 + 12LL*mxf
->body_partitions_count
);
2156 if (mxf
->edit_unit_byte_count
)
2157 avio_wb32(pb
, 1); // BodySID of header partition
2160 avio_wb64(pb
, 0); // offset of header partition
2162 for (i
= 0; i
< mxf
->body_partitions_count
; i
++) {
2163 avio_wb32(pb
, 1); // BodySID
2164 avio_wb64(pb
, mxf
->body_partition_offset
[i
]);
2167 avio_wb32(pb
, 0); // BodySID of footer partition
2168 avio_wb64(pb
, mxf
->footer_partition_offset
);
2170 avio_wb32(pb
, avio_tell(pb
) - pos
+ 4);
2173 static int mxf_write_footer(AVFormatContext
*s
)
2175 MXFContext
*mxf
= s
->priv_data
;
2176 AVIOContext
*pb
= s
->pb
;
2179 mxf
->duration
= mxf
->last_indexed_edit_unit
+ mxf
->edit_units_count
;
2181 mxf_write_klv_fill(s
);
2182 mxf
->footer_partition_offset
= avio_tell(pb
);
2183 if (mxf
->edit_unit_byte_count
) { // no need to repeat index
2184 if ((err
= mxf_write_partition(s
, 0, 0, footer_partition_key
, 0)) < 0)
2187 if ((err
= mxf_write_partition(s
, 0, 2, footer_partition_key
, 0)) < 0)
2189 mxf_write_klv_fill(s
);
2190 mxf_write_index_table_segment(s
);
2193 mxf_write_klv_fill(s
);
2194 mxf_write_random_index_pack(s
);
2196 if (s
->pb
->seekable
) {
2197 avio_seek(pb
, 0, SEEK_SET
);
2198 if (mxf
->edit_unit_byte_count
) {
2199 if ((err
= mxf_write_partition(s
, 1, 2, header_closed_partition_key
, 1)) < 0)
2201 mxf_write_klv_fill(s
);
2202 mxf_write_index_table_segment(s
);
2204 if ((err
= mxf_write_partition(s
, 0, 0, header_closed_partition_key
, 1)) < 0)
2209 ff_audio_interleave_close(s
);
2211 av_freep(&mxf
->index_entries
);
2212 av_freep(&mxf
->body_partition_offset
);
2213 av_freep(&mxf
->timecode_track
->priv_data
);
2214 av_freep(&mxf
->timecode_track
);
2221 static int mxf_interleave_get_packet(AVFormatContext
*s
, AVPacket
*out
, AVPacket
*pkt
, int flush
)
2223 int i
, stream_count
= 0;
2225 for (i
= 0; i
< s
->nb_streams
; i
++)
2226 stream_count
+= !!s
->streams
[i
]->last_in_packet_buffer
;
2228 if (stream_count
&& (s
->nb_streams
== stream_count
|| flush
)) {
2229 AVPacketList
*pktl
= s
->packet_buffer
;
2230 if (s
->nb_streams
!= stream_count
) {
2231 AVPacketList
*last
= NULL
;
2232 // find last packet in edit unit
2234 if (!stream_count
|| pktl
->pkt
.stream_index
== 0)
2240 // purge packet queue
2242 AVPacketList
*next
= pktl
->next
;
2244 if(s
->streams
[pktl
->pkt
.stream_index
]->last_in_packet_buffer
== pktl
)
2245 s
->streams
[pktl
->pkt
.stream_index
]->last_in_packet_buffer
= NULL
;
2246 av_free_packet(&pktl
->pkt
);
2253 s
->packet_buffer
= NULL
;
2254 s
->packet_buffer_end
= NULL
;
2257 pktl
= s
->packet_buffer
;
2261 av_dlog(s
, "out st:%d dts:%"PRId64
"\n", (*out
).stream_index
, (*out
).dts
);
2262 s
->packet_buffer
= pktl
->next
;
2263 if(s
->streams
[pktl
->pkt
.stream_index
]->last_in_packet_buffer
== pktl
)
2264 s
->streams
[pktl
->pkt
.stream_index
]->last_in_packet_buffer
= NULL
;
2265 if(!s
->packet_buffer
)
2266 s
->packet_buffer_end
= NULL
;
2271 av_init_packet(out
);
2276 static int mxf_compare_timestamps(AVFormatContext
*s
, AVPacket
*next
, AVPacket
*pkt
)
2278 MXFStreamContext
*sc
= s
->streams
[pkt
->stream_index
]->priv_data
;
2279 MXFStreamContext
*sc2
= s
->streams
[next
->stream_index
]->priv_data
;
2281 return next
->dts
> pkt
->dts
||
2282 (next
->dts
== pkt
->dts
&& sc
->order
< sc2
->order
);
2285 static int mxf_interleave(AVFormatContext
*s
, AVPacket
*out
, AVPacket
*pkt
, int flush
)
2287 return ff_audio_rechunk_interleave(s
, out
, pkt
, flush
,
2288 mxf_interleave_get_packet
, mxf_compare_timestamps
);
2291 static const AVOption d10_options
[] = {
2292 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2293 offsetof(MXFContext
, channel_count
), AV_OPT_TYPE_INT
, {.i64
= -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM
},
2297 static const AVClass mxf_d10_muxer_class
= {
2298 .class_name
= "MXF-D10 muxer",
2299 .item_name
= av_default_item_name
,
2300 .option
= d10_options
,
2301 .version
= LIBAVUTIL_VERSION_INT
,
2304 AVOutputFormat ff_mxf_muxer
= {
2306 .long_name
= NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2307 .mime_type
= "application/mxf",
2308 .extensions
= "mxf",
2309 .priv_data_size
= sizeof(MXFContext
),
2310 .audio_codec
= AV_CODEC_ID_PCM_S16LE
,
2311 .video_codec
= AV_CODEC_ID_MPEG2VIDEO
,
2312 .write_header
= mxf_write_header
,
2313 .write_packet
= mxf_write_packet
,
2314 .write_trailer
= mxf_write_footer
,
2315 .flags
= AVFMT_NOTIMESTAMPS
,
2316 .interleave_packet
= mxf_interleave
,
2319 AVOutputFormat ff_mxf_d10_muxer
= {
2321 .long_name
= NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2322 .mime_type
= "application/mxf",
2323 .priv_data_size
= sizeof(MXFContext
),
2324 .audio_codec
= AV_CODEC_ID_PCM_S16LE
,
2325 .video_codec
= AV_CODEC_ID_MPEG2VIDEO
,
2326 .write_header
= mxf_write_header
,
2327 .write_packet
= mxf_write_packet
,
2328 .write_trailer
= mxf_write_footer
,
2329 .flags
= AVFMT_NOTIMESTAMPS
,
2330 .interleave_packet
= mxf_interleave
,
2331 .priv_class
= &mxf_d10_muxer_class
,