3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * signal_standard, color_siting and klv_fill_key version fixes sponsored by NOA GmbH
29 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
30 * SMPTE 377M MXF File Format Specifications
31 * SMPTE 379M MXF Generic Container
32 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
33 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
34 * SMPTE RP210: SMPTE Metadata Dictionary
35 * SMPTE RP224: Registry of SMPTE Universal Labels
42 #include "libavutil/opt.h"
43 #include "libavutil/random_seed.h"
44 #include "libavutil/timecode.h"
45 #include "libavutil/avassert.h"
46 #include "libavutil/pixdesc.h"
47 #include "libavutil/time_internal.h"
48 #include "libavcodec/bytestream.h"
49 #include "libavcodec/dnxhddata.h"
50 #include "libavcodec/h264.h"
51 #include "libavcodec/internal.h"
52 #include "audiointerleave.h"
54 #include "avio_internal.h"
59 extern AVOutputFormat ff_mxf_d10_muxer;
60 extern AVOutputFormat ff_mxf_opatom_muxer;
62 #define EDIT_UNITS_PER_BODY 250
65 typedef struct MXFLocalTagPair {
70 typedef struct MXFIndexEntry {
73 unsigned slice_offset; ///< offset of audio slice
74 uint16_t temporal_ref;
77 typedef struct MXFStreamContext {
78 AudioInterleaveContext aic;
79 UID track_essence_element_key;
80 int index; ///< index in mxf_essence_container_uls table
82 int order; ///< interleaving order if dts are equal
83 int interlaced; ///< whether picture is interlaced
84 int field_dominance; ///< tff=1, bff=2
88 int h_chroma_sub_sample;
89 int temporal_reordering;
90 AVRational aspect_ratio; ///< display aspect ratio
91 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
95 typedef struct MXFContainerEssenceEntry {
99 void (*write_desc)(AVFormatContext *, AVStream *);
100 } MXFContainerEssenceEntry;
102 static const struct {
105 } mxf_essence_mappings[] = {
106 { AV_CODEC_ID_MPEG2VIDEO, 0 },
107 { AV_CODEC_ID_PCM_S24LE, 1 },
108 { AV_CODEC_ID_PCM_S16LE, 1 },
109 { AV_CODEC_ID_DVVIDEO, 15 },
110 { AV_CODEC_ID_DNXHD, 24 },
111 { AV_CODEC_ID_JPEG2000, 34 },
112 { AV_CODEC_ID_H264, 35 },
116 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
117 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
118 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
119 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
120 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
122 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
123 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
124 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
125 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
126 mxf_write_mpegvideo_desc },
127 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
128 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
129 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
130 mxf_write_aes3_desc },
131 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
132 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
133 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
134 mxf_write_wav_desc },
135 // D-10 625/50 PAL 50mb/s
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,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
138 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
139 mxf_write_cdci_desc },
140 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
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-10 525/60 NTSC 50mb/s
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,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
147 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
148 mxf_write_cdci_desc },
149 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
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-10 625/50 PAL 40mb/s
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,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
156 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
157 mxf_write_cdci_desc },
158 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
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-10 525/60 NTSC 40mb/s
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,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
165 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
166 mxf_write_cdci_desc },
167 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
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-10 625/50 PAL 30mb/s
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,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
174 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
175 mxf_write_cdci_desc },
176 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
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 },
180 // D-10 525/60 NTSC 30mb/s
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,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
183 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
184 mxf_write_cdci_desc },
185 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
186 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
187 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
188 mxf_write_generic_sound_desc },
190 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
191 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
192 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
193 mxf_write_cdci_desc },
195 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
196 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
197 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
198 mxf_write_cdci_desc },
200 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
201 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
202 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
203 mxf_write_cdci_desc },
205 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
206 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
207 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
208 mxf_write_cdci_desc },
210 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
211 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
212 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
213 mxf_write_cdci_desc },
215 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
216 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
217 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
218 mxf_write_cdci_desc },
220 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
221 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
223 mxf_write_cdci_desc },
225 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
226 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
227 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
228 mxf_write_cdci_desc },
230 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
231 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
232 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
233 mxf_write_cdci_desc },
234 // DNxHD 1080p 10bit high
235 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
236 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
238 mxf_write_cdci_desc },
239 // DNxHD 1080p 8bit medium
240 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
241 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
242 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
243 mxf_write_cdci_desc },
244 // DNxHD 1080p 8bit high
245 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
246 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
247 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
248 mxf_write_cdci_desc },
249 // DNxHD 1080i 10bit high
250 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
251 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
252 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
253 mxf_write_cdci_desc },
254 // DNxHD 1080i 8bit medium
255 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
256 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
257 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
258 mxf_write_cdci_desc },
259 // DNxHD 1080i 8bit high
260 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
261 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
262 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
263 mxf_write_cdci_desc },
265 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
266 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
267 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
268 mxf_write_cdci_desc },
269 // DNxHD 720p 8bit high
270 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
271 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
272 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
273 mxf_write_cdci_desc },
274 // DNxHD 720p 8bit medium
275 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
276 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
277 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
278 mxf_write_cdci_desc },
279 // DNxHD 720p 8bit low
280 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
281 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
282 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
283 mxf_write_cdci_desc },
285 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
286 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
287 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
288 mxf_write_cdci_desc },
290 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
291 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
292 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
293 mxf_write_mpegvideo_desc },
294 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
295 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
296 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
300 typedef struct MXFContext {
302 int64_t footer_partition_offset;
303 int essence_container_count;
304 AVRational time_base;
306 MXFIndexEntry *index_entries;
307 unsigned edit_units_count;
308 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
309 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
310 int last_indexed_edit_unit;
311 uint64_t *body_partition_offset;
312 unsigned body_partitions_count;
313 int last_key_index; ///< index of last key frame
315 AVTimecode tc; ///< timecode context
316 AVStream *timecode_track;
317 int timecode_base; ///< rounded time code base (25 or 30)
318 int edit_unit_byte_count; ///< fixed edit unit byte count
319 uint64_t body_offset;
320 uint32_t instance_number;
321 uint8_t umid[16]; ///< unique material identifier
324 uint32_t tagged_value_count;
325 AVRational audio_edit_rate;
328 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
329 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
332 * complete key for operation pattern, partitions, and primer pack
334 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
335 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
336 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
337 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
338 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
339 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
340 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
341 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
342 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
343 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
346 * partial key for header metadata
348 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
349 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
352 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
354 static const MXFLocalTagPair mxf_local_tag_batch[] = {
356 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
357 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
358 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
359 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
360 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
361 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
362 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
363 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
365 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
366 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
367 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
368 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
369 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
370 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
372 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
373 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
374 // Essence Container Data
375 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
376 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
378 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
379 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
380 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
381 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
382 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
383 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
384 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
386 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
387 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
388 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
389 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
390 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
392 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
393 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
394 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
396 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
397 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
398 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
399 // Timecode Component
400 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
401 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
402 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
404 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
405 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
407 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
408 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
409 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
410 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
411 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
412 // Generic Picture Essence Descriptor
413 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
414 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
415 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
416 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
417 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
418 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
419 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
420 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
421 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
422 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
423 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
424 // CDCI Picture Essence Descriptor
425 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
426 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
427 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
428 // Generic Sound Essence Descriptor
429 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
430 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
431 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
432 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
433 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
434 // Index Table Segment
435 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
436 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
437 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
438 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
439 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
440 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
441 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
442 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
443 // MPEG video Descriptor
444 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
445 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
446 // Wave Audio Essence Descriptor
447 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
448 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
451 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
453 avio_write(pb, uuid_base, 12);
455 avio_wb16(pb, value);
458 static void mxf_write_umid(AVFormatContext *s, int type)
460 MXFContext *mxf = s->priv_data;
461 avio_write(s->pb, umid_ul, 13);
462 avio_wb24(s->pb, mxf->instance_number);
463 avio_write(s->pb, mxf->umid, 15);
464 avio_w8(s->pb, type);
467 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
469 avio_wb32(pb, ref_count);
473 static int klv_ber_length(uint64_t len)
478 return (av_log2(len) >> 3) + 2;
481 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
483 // Determine the best BER size
491 size = (av_log2(len) >> 3) + 1;
494 avio_w8(pb, 0x80 + size);
497 avio_w8(pb, len >> 8 * size & 0xff);
502 static void klv_encode_ber4_length(AVIOContext *pb, int len)
504 avio_w8(pb, 0x80 + 3);
508 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
510 avio_w8(pb, 0x80 + 8);
515 * Get essence container ul index
517 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
520 for (i = 0; mxf_essence_mappings[i].id; i++)
521 if (mxf_essence_mappings[i].id == id)
522 return mxf_essence_mappings[i].index;
526 static void mxf_write_primer_pack(AVFormatContext *s)
528 AVIOContext *pb = s->pb;
529 int local_tag_number, i = 0;
531 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
533 avio_write(pb, primer_pack_key, 16);
534 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
536 avio_wb32(pb, local_tag_number); // local_tag num
537 avio_wb32(pb, 18); // item size, always 18 according to the specs
539 for (i = 0; i < local_tag_number; i++) {
540 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
541 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
545 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
551 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
553 avio_write(pb, header_metadata_key, 13);
554 avio_wb24(pb, value);
557 static void mxf_free(AVFormatContext *s)
561 for (i = 0; i < s->nb_streams; i++) {
562 AVStream *st = s->streams[i];
563 av_freep(&st->priv_data);
567 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
569 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
570 while (uls->uid[0]) {
578 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
579 #define DESCRIPTOR_COUNT(essence_container_count) \
580 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
582 static void mxf_write_essence_container_refs(AVFormatContext *s)
584 MXFContext *c = s->priv_data;
585 AVIOContext *pb = s->pb;
588 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
589 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
590 for (i = 0; i < c->essence_container_count; i++) {
591 MXFStreamContext *sc = s->streams[i]->priv_data;
592 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
595 if (c->essence_container_count > 1)
596 avio_write(pb, multiple_desc_ul, 16);
599 static void mxf_write_preface(AVFormatContext *s)
601 MXFContext *mxf = s->priv_data;
602 AVIOContext *pb = s->pb;
604 mxf_write_metadata_key(pb, 0x012f00);
605 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
606 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
608 // write preface set uid
609 mxf_write_local_tag(pb, 16, 0x3C0A);
610 mxf_write_uuid(pb, Preface, 0);
611 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
613 // last modified date
614 mxf_write_local_tag(pb, 8, 0x3B02);
615 avio_wb64(pb, mxf->timestamp);
618 mxf_write_local_tag(pb, 2, 0x3B05);
619 avio_wb16(pb, 258); // v1.2
621 // write identification_refs
622 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
623 mxf_write_refs_count(pb, 1);
624 mxf_write_uuid(pb, Identification, 0);
626 // write content_storage_refs
627 mxf_write_local_tag(pb, 16, 0x3B03);
628 mxf_write_uuid(pb, ContentStorage, 0);
630 // operational pattern
631 mxf_write_local_tag(pb, 16, 0x3B09);
632 if (s->oformat == &ff_mxf_opatom_muxer)
633 avio_write(pb, opatom_ul, 16);
635 avio_write(pb, op1a_ul, 16);
637 // write essence_container_refs
638 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
639 mxf_write_essence_container_refs(s);
641 // write dm_scheme_refs
642 mxf_write_local_tag(pb, 8, 0x3B0B);
647 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
648 * from decoding the utf-8 string.
650 static uint64_t mxf_utf16len(const char *utf8_str)
652 const uint8_t *q = utf8_str;
656 GET_UTF8(ch, *q++, goto invalid;)
663 av_log(NULL, AV_LOG_ERROR, "Invaid UTF8 sequence in mxf_utf16len\n\n");
670 * Returns the calculated length a local tag containing an utf-8 string as utf-16
672 static int mxf_utf16_local_tag_length(const char *utf8_str)
679 size = mxf_utf16len(utf8_str);
680 if (size >= UINT16_MAX/2) {
681 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
689 * Write a local tag containing an utf-8 string as utf-16
691 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
693 uint64_t size = mxf_utf16len(value);
695 if (size >= UINT16_MAX/2) {
696 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
700 mxf_write_local_tag(pb, size*2, tag);
701 avio_put_str16be(pb, value);
704 static void mxf_write_identification(AVFormatContext *s)
706 MXFContext *mxf = s->priv_data;
707 AVIOContext *pb = s->pb;
708 const char *company = "FFmpeg";
709 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
713 mxf_write_metadata_key(pb, 0x013000);
714 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
716 version = s->flags & AVFMT_FLAG_BITEXACT ?
717 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
718 length = 72 + mxf_utf16_local_tag_length(company) +
719 mxf_utf16_local_tag_length(product) +
720 mxf_utf16_local_tag_length(version);
721 klv_encode_ber_length(pb, length);
724 mxf_write_local_tag(pb, 16, 0x3C0A);
725 mxf_write_uuid(pb, Identification, 0);
726 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
728 // write generation uid
729 mxf_write_local_tag(pb, 16, 0x3C09);
730 mxf_write_uuid(pb, Identification, 1);
731 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
732 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
733 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
736 mxf_write_local_tag(pb, 16, 0x3C05);
737 mxf_write_uuid(pb, Identification, 2);
740 mxf_write_local_tag(pb, 8, 0x3C06);
741 avio_wb64(pb, mxf->timestamp);
744 static void mxf_write_content_storage(AVFormatContext *s)
746 AVIOContext *pb = s->pb;
748 mxf_write_metadata_key(pb, 0x011800);
749 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
750 klv_encode_ber_length(pb, 92);
753 mxf_write_local_tag(pb, 16, 0x3C0A);
754 mxf_write_uuid(pb, ContentStorage, 0);
755 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
757 // write package reference
758 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
759 mxf_write_refs_count(pb, 2);
760 mxf_write_uuid(pb, MaterialPackage, 0);
761 mxf_write_uuid(pb, SourcePackage, 0);
763 // write essence container data
764 mxf_write_local_tag(pb, 8 + 16, 0x1902);
765 mxf_write_refs_count(pb, 1);
766 mxf_write_uuid(pb, EssenceContainerData, 0);
769 static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
771 MXFContext *mxf = s->priv_data;
772 AVIOContext *pb = s->pb;
773 MXFStreamContext *sc = st->priv_data;
775 mxf_write_metadata_key(pb, 0x013b00);
776 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
777 klv_encode_ber_length(pb, 80);
780 mxf_write_local_tag(pb, 16, 0x3C0A);
781 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
782 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
785 mxf_write_local_tag(pb, 4, 0x4801);
786 avio_wb32(pb, st->index+2);
788 // write track number
789 mxf_write_local_tag(pb, 4, 0x4804);
790 if (type == MaterialPackage)
791 avio_wb32(pb, 0); // track number of material package is 0
793 avio_write(pb, sc->track_essence_element_key + 12, 4);
795 mxf_write_local_tag(pb, 8, 0x4B01);
797 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
798 avio_wb32(pb, mxf->tc.rate.num);
799 avio_wb32(pb, mxf->tc.rate.den);
801 avio_wb32(pb, mxf->time_base.den);
802 avio_wb32(pb, mxf->time_base.num);
806 mxf_write_local_tag(pb, 8, 0x4B02);
809 // write sequence refs
810 mxf_write_local_tag(pb, 16, 0x4803);
811 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
814 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 };
816 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
818 MXFContext *mxf = s->priv_data;
819 AVIOContext *pb = s->pb;
821 // find data define uls
822 mxf_write_local_tag(pb, 16, 0x0201);
823 if (st == mxf->timecode_track)
824 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
826 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
827 avio_write(pb, data_def_ul->uid, 16);
831 mxf_write_local_tag(pb, 8, 0x0202);
833 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
834 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
836 avio_wb64(pb, mxf->duration);
840 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
842 MXFContext *mxf = s->priv_data;
843 AVIOContext *pb = s->pb;
844 enum MXFMetadataSetType component;
846 mxf_write_metadata_key(pb, 0x010f00);
847 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
848 klv_encode_ber_length(pb, 80);
850 mxf_write_local_tag(pb, 16, 0x3C0A);
851 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
853 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
854 mxf_write_common_fields(s, st);
856 // write structural component
857 mxf_write_local_tag(pb, 16 + 8, 0x1001);
858 mxf_write_refs_count(pb, 1);
859 if (st == mxf->timecode_track)
860 component = TimecodeComponent;
862 component = SourceClip;
863 if (type == SourcePackage)
864 component += TypeBottom;
865 mxf_write_uuid(pb, component, st->index);
868 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
870 MXFContext *mxf = s->priv_data;
871 AVIOContext *pb = s->pb;
873 mxf_write_metadata_key(pb, 0x011400);
874 klv_encode_ber_length(pb, 75);
877 mxf_write_local_tag(pb, 16, 0x3C0A);
878 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
879 TimecodeComponent + TypeBottom, st->index);
881 mxf_write_common_fields(s, st);
884 mxf_write_local_tag(pb, 8, 0x1501);
885 avio_wb64(pb, mxf->tc.start);
887 // Rounded Time Code Base
888 mxf_write_local_tag(pb, 2, 0x1502);
889 avio_wb16(pb, mxf->timecode_base);
892 mxf_write_local_tag(pb, 1, 0x1503);
893 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
896 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
898 AVIOContext *pb = s->pb;
901 mxf_write_metadata_key(pb, 0x011100);
902 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
903 klv_encode_ber_length(pb, 108);
906 mxf_write_local_tag(pb, 16, 0x3C0A);
907 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
909 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
910 mxf_write_common_fields(s, st);
912 // write start_position
913 mxf_write_local_tag(pb, 8, 0x1201);
916 // write source package uid, end of the reference
917 mxf_write_local_tag(pb, 32, 0x1101);
918 if (type == SourcePackage) {
919 for (i = 0; i < 4; i++)
922 mxf_write_umid(s, 1);
924 // write source track id
925 mxf_write_local_tag(pb, 4, 0x1102);
926 if (type == SourcePackage)
929 avio_wb32(pb, st->index+2);
932 static void mxf_write_multi_descriptor(AVFormatContext *s)
934 MXFContext *mxf = s->priv_data;
935 AVIOContext *pb = s->pb;
939 mxf_write_metadata_key(pb, 0x014400);
940 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
941 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
943 mxf_write_local_tag(pb, 16, 0x3C0A);
944 mxf_write_uuid(pb, MultipleDescriptor, 0);
945 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
948 mxf_write_local_tag(pb, 8, 0x3001);
949 avio_wb32(pb, mxf->time_base.den);
950 avio_wb32(pb, mxf->time_base.num);
952 // write essence container ul
953 mxf_write_local_tag(pb, 16, 0x3004);
954 if (mxf->essence_container_count > 1)
955 ul = multiple_desc_ul;
957 MXFStreamContext *sc = s->streams[0]->priv_data;
958 ul = mxf_essence_container_uls[sc->index].container_ul;
960 avio_write(pb, ul, 16);
962 // write sub descriptor refs
963 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
964 mxf_write_refs_count(pb, s->nb_streams);
965 for (i = 0; i < s->nb_streams; i++)
966 mxf_write_uuid(pb, SubDescriptor, i);
969 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
971 MXFContext *mxf = s->priv_data;
972 MXFStreamContext *sc = st->priv_data;
973 AVIOContext *pb = s->pb;
975 avio_write(pb, key, 16);
976 klv_encode_ber4_length(pb, size+20+8+12+20);
978 mxf_write_local_tag(pb, 16, 0x3C0A);
979 mxf_write_uuid(pb, SubDescriptor, st->index);
981 mxf_write_local_tag(pb, 4, 0x3006);
982 avio_wb32(pb, st->index+2);
984 mxf_write_local_tag(pb, 8, 0x3001);
985 avio_wb32(pb, mxf->time_base.den);
986 avio_wb32(pb, mxf->time_base.num);
988 mxf_write_local_tag(pb, 16, 0x3004);
989 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
992 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
993 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
994 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
995 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
996 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
998 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1000 MXFStreamContext *sc = st->priv_data;
1001 AVIOContext *pb = s->pb;
1002 int stored_height = (st->codec->height+15)/16*16;
1005 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20+5;
1006 if (sc->interlaced && sc->field_dominance)
1008 if (sc->signal_standard)
1011 mxf_write_generic_desc(s, st, key, desc_size);
1013 mxf_write_local_tag(pb, 4, 0x3203);
1014 avio_wb32(pb, st->codec->width);
1016 mxf_write_local_tag(pb, 4, 0x3202);
1017 avio_wb32(pb, stored_height>>sc->interlaced);
1019 mxf_write_local_tag(pb, 4, 0x3209);
1020 avio_wb32(pb, st->codec->width);
1022 if (st->codec->height == 608) // PAL + VBI
1023 display_height = 576;
1024 else if (st->codec->height == 512) // NTSC + VBI
1025 display_height = 486;
1027 display_height = st->codec->height;
1029 mxf_write_local_tag(pb, 4, 0x3208);
1030 avio_wb32(pb, display_height>>sc->interlaced);
1032 // presentation Y offset
1033 mxf_write_local_tag(pb, 4, 0x320B);
1034 avio_wb32(pb, (st->codec->height - display_height)>>sc->interlaced);
1037 mxf_write_local_tag(pb, 4, 0x3301);
1038 avio_wb32(pb, sc->component_depth);
1040 // horizontal subsampling
1041 mxf_write_local_tag(pb, 4, 0x3302);
1042 avio_wb32(pb, sc->h_chroma_sub_sample);
1045 mxf_write_local_tag(pb, 1, 0x3303);
1046 avio_w8(pb, sc->color_siting);
1048 if (sc->signal_standard) {
1049 mxf_write_local_tag(pb, 1, 0x3215);
1050 avio_w8(pb, sc->signal_standard);
1054 mxf_write_local_tag(pb, 1, 0x320C);
1055 avio_w8(pb, sc->interlaced);
1058 switch (st->codec->height) {
1059 case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1060 case 608: f1 = 7; f2 = 320; break;
1061 case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1062 case 512: f1 = 7; f2 = 270; break;
1063 case 720: f1 = 26; f2 = 0; break; // progressive
1064 case 1080: f1 = 21; f2 = 584; break;
1065 default: f1 = 0; f2 = 0; break;
1068 if (!sc->interlaced) {
1073 mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
1074 avio_wb32(pb, sc->interlaced ? 2 : 1);
1080 mxf_write_local_tag(pb, 8, 0x320E);
1081 avio_wb32(pb, sc->aspect_ratio.num);
1082 avio_wb32(pb, sc->aspect_ratio.den);
1084 mxf_write_local_tag(pb, 16, 0x3201);
1085 avio_write(pb, *sc->codec_ul, 16);
1087 if (sc->interlaced && sc->field_dominance) {
1088 mxf_write_local_tag(pb, 1, 0x3212);
1089 avio_w8(pb, sc->field_dominance);
1094 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1096 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1099 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1101 AVIOContext *pb = s->pb;
1102 MXFStreamContext *sc = st->priv_data;
1103 int profile_and_level = (st->codec->profile<<4) | st->codec->level;
1105 if (st->codec->codec_id != AV_CODEC_ID_H264) {
1106 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1109 mxf_write_local_tag(pb, 4, 0x8000);
1110 avio_wb32(pb, sc->video_bit_rate);
1112 // profile and level
1113 mxf_write_local_tag(pb, 1, 0x8007);
1114 if (!st->codec->profile)
1115 profile_and_level |= 0x80; // escape bit
1116 avio_w8(pb, profile_and_level);
1118 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1122 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1124 AVIOContext *pb = s->pb;
1125 MXFContext *mxf = s->priv_data;
1126 int show_warnings = !mxf->footer_partition_offset;
1127 int duration_size = 0;
1129 if (s->oformat == &ff_mxf_opatom_muxer)
1132 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1134 if (duration_size > 0){
1135 mxf_write_local_tag(pb, 8, 0x3002);
1136 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1140 mxf_write_local_tag(pb, 1, 0x3D02);
1143 // write audio sampling rate
1144 mxf_write_local_tag(pb, 8, 0x3D03);
1145 avio_wb32(pb, st->codec->sample_rate);
1148 mxf_write_local_tag(pb, 4, 0x3D07);
1149 if (mxf->channel_count == -1) {
1150 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1151 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");
1152 avio_wb32(pb, st->codec->channels);
1153 } else if (s->oformat == &ff_mxf_d10_muxer) {
1154 if (show_warnings && (mxf->channel_count < st->codec->channels))
1155 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1156 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1157 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");
1158 avio_wb32(pb, mxf->channel_count);
1160 if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1161 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1162 avio_wb32(pb, st->codec->channels);
1165 mxf_write_local_tag(pb, 4, 0x3D01);
1166 avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
1169 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1171 AVIOContext *pb = s->pb;
1173 mxf_write_generic_sound_common(s, st, key, size+6+8);
1175 mxf_write_local_tag(pb, 2, 0x3D0A);
1176 avio_wb16(pb, st->codec->block_align);
1178 // avg bytes per sec
1179 mxf_write_local_tag(pb, 4, 0x3D09);
1180 avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1183 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1185 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1188 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1190 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1193 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1195 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1198 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 };
1200 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1202 MXFContext *mxf = s->priv_data;
1203 AVIOContext *pb = s->pb;
1204 int name_size = mxf_utf16_local_tag_length(name);
1205 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1207 if (!name_size || indirect_value_size == 13)
1210 mxf_write_metadata_key(pb, 0x013f00);
1211 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1213 // write instance UID
1214 mxf_write_local_tag(pb, 16, 0x3C0A);
1215 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1218 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1220 // write indirect value
1221 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1222 avio_write(pb, mxf_indirect_value_utf16le, 17);
1223 avio_put_str16le(pb, value);
1225 mxf->tagged_value_count++;
1229 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1231 MXFContext *mxf = s->priv_data;
1232 AVDictionaryEntry *t = NULL;
1235 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1236 if (mxf->tagged_value_count >= UINT16_MAX) {
1237 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1241 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1247 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1249 MXFContext *mxf = s->priv_data;
1250 AVIOContext *pb = s->pb;
1251 int i, track_count = s->nb_streams+1;
1252 int name_size = mxf_utf16_local_tag_length(package_name);
1253 int user_comment_count = 0;
1255 if (type == MaterialPackage) {
1256 user_comment_count = mxf_write_user_comments(s, s->metadata);
1257 mxf_write_metadata_key(pb, 0x013600);
1258 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1259 klv_encode_ber_length(pb, 104 + name_size + (16*track_count) + (16*user_comment_count));
1261 mxf_write_metadata_key(pb, 0x013700);
1262 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1263 klv_encode_ber_length(pb, 124 + name_size + (16*track_count)); // 20 bytes length for descriptor reference
1267 mxf_write_local_tag(pb, 16, 0x3C0A);
1268 mxf_write_uuid(pb, type, 0);
1269 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1270 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1272 // write package umid
1273 mxf_write_local_tag(pb, 32, 0x4401);
1274 mxf_write_umid(s, type == SourcePackage);
1275 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1279 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1281 // package creation date
1282 mxf_write_local_tag(pb, 8, 0x4405);
1283 avio_wb64(pb, mxf->timestamp);
1285 // package modified date
1286 mxf_write_local_tag(pb, 8, 0x4404);
1287 avio_wb64(pb, mxf->timestamp);
1290 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1291 mxf_write_refs_count(pb, track_count);
1292 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1293 Track + TypeBottom, -1); // timecode track
1294 for (i = 0; i < s->nb_streams; i++)
1295 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1297 // write user comment refs
1298 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1299 mxf_write_refs_count(pb, user_comment_count);
1300 for (i = 0; i < user_comment_count; i++)
1301 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1303 // write multiple descriptor reference
1304 if (type == SourcePackage) {
1305 mxf_write_local_tag(pb, 16, 0x4701);
1306 if (s->nb_streams > 1) {
1307 mxf_write_uuid(pb, MultipleDescriptor, 0);
1308 mxf_write_multi_descriptor(s);
1310 mxf_write_uuid(pb, SubDescriptor, 0);
1313 // write timecode track
1314 mxf_write_track(s, mxf->timecode_track, type);
1315 mxf_write_sequence(s, mxf->timecode_track, type);
1316 mxf_write_timecode_component(s, mxf->timecode_track, type);
1318 for (i = 0; i < s->nb_streams; i++) {
1319 AVStream *st = s->streams[i];
1320 mxf_write_track(s, st, type);
1321 mxf_write_sequence(s, st, type);
1322 mxf_write_structural_component(s, st, type);
1324 if (type == SourcePackage) {
1325 MXFStreamContext *sc = st->priv_data;
1326 mxf_essence_container_uls[sc->index].write_desc(s, st);
1331 static int mxf_write_essence_container_data(AVFormatContext *s)
1333 AVIOContext *pb = s->pb;
1335 mxf_write_metadata_key(pb, 0x012300);
1336 klv_encode_ber_length(pb, 72);
1338 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1339 mxf_write_uuid(pb, EssenceContainerData, 0);
1341 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1342 mxf_write_umid(s, 1);
1344 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1347 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1353 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1355 const char *material_package_name = NULL;
1356 const char *file_package_name = NULL;
1357 AVDictionaryEntry *entry = NULL;
1358 AVStream *st = NULL;
1361 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1362 material_package_name = entry->value;
1364 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1365 file_package_name = entry->value;
1367 /* check if any of the streams contain a file_package_name */
1368 for (i = 0; i < s->nb_streams; i++) {
1370 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1371 file_package_name = entry->value;
1377 mxf_write_preface(s);
1378 mxf_write_identification(s);
1379 mxf_write_content_storage(s);
1380 mxf_write_package(s, MaterialPackage, material_package_name);
1381 mxf_write_package(s, SourcePackage, file_package_name);
1382 mxf_write_essence_container_data(s);
1386 static unsigned klv_fill_size(uint64_t size)
1388 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1389 if (pad < 20) // smallest fill item possible
1390 return pad + KAG_SIZE;
1392 return pad & (KAG_SIZE-1);
1395 static void mxf_write_index_table_segment(AVFormatContext *s)
1397 MXFContext *mxf = s->priv_data;
1398 AVIOContext *pb = s->pb;
1399 int i, j, temporal_reordering = 0;
1400 int key_index = mxf->last_key_index;
1402 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1404 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1407 avio_write(pb, index_table_segment_key, 16);
1409 if (mxf->edit_unit_byte_count) {
1410 klv_encode_ber_length(pb, 80);
1412 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1413 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1417 mxf_write_local_tag(pb, 16, 0x3C0A);
1418 mxf_write_uuid(pb, IndexTableSegment, 0);
1421 mxf_write_local_tag(pb, 8, 0x3F0B);
1422 avio_wb32(pb, mxf->time_base.den);
1423 avio_wb32(pb, mxf->time_base.num);
1425 // index start position
1426 mxf_write_local_tag(pb, 8, 0x3F0C);
1427 avio_wb64(pb, mxf->last_indexed_edit_unit);
1430 mxf_write_local_tag(pb, 8, 0x3F0D);
1431 if (mxf->edit_unit_byte_count)
1432 avio_wb64(pb, 0); // index table covers whole container
1434 avio_wb64(pb, mxf->edit_units_count);
1436 // edit unit byte count
1437 mxf_write_local_tag(pb, 4, 0x3F05);
1438 avio_wb32(pb, mxf->edit_unit_byte_count);
1441 mxf_write_local_tag(pb, 4, 0x3F06);
1445 mxf_write_local_tag(pb, 4, 0x3F07);
1448 if (!mxf->edit_unit_byte_count) {
1449 // real slice count - 1
1450 mxf_write_local_tag(pb, 1, 0x3F08);
1451 avio_w8(pb, mxf->slice_count);
1453 // delta entry array
1454 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1455 avio_wb32(pb, s->nb_streams+1); // num of entries
1456 avio_wb32(pb, 6); // size of one entry
1457 // write system item delta entry
1459 avio_w8(pb, 0); // slice entry
1460 avio_wb32(pb, 0); // element delta
1461 for (i = 0; i < s->nb_streams; i++) {
1462 AVStream *st = s->streams[i];
1463 MXFStreamContext *sc = st->priv_data;
1464 avio_w8(pb, sc->temporal_reordering);
1465 if (sc->temporal_reordering)
1466 temporal_reordering = 1;
1467 if (i == 0) { // video track
1468 avio_w8(pb, 0); // slice number
1469 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1470 } else { // audio track
1471 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1472 audio_frame_size += klv_fill_size(audio_frame_size);
1474 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1478 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1479 avio_wb32(pb, mxf->edit_units_count); // num of entries
1480 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1482 for (i = 0; i < mxf->edit_units_count; i++) {
1483 int temporal_offset = 0;
1485 if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1486 mxf->last_key_index = key_index;
1490 if (temporal_reordering) {
1491 int pic_num_in_gop = i - key_index;
1492 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1493 for (j = key_index; j < mxf->edit_units_count; j++) {
1494 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1497 if (j == mxf->edit_units_count)
1498 av_log(s, AV_LOG_WARNING, "missing frames\n");
1499 temporal_offset = j - key_index - pic_num_in_gop;
1502 avio_w8(pb, temporal_offset);
1504 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1505 avio_w8(pb, mxf->last_key_index - i);
1507 avio_w8(pb, key_index - i); // key frame offset
1508 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1509 mxf->last_key_index = key_index;
1512 if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1513 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1514 mxf->index_entries[i].flags |= 0x80; // random access
1515 avio_w8(pb, mxf->index_entries[i].flags);
1517 avio_wb64(pb, mxf->index_entries[i].offset);
1518 if (s->nb_streams > 1)
1519 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1522 mxf->last_key_index = key_index - mxf->edit_units_count;
1523 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1524 mxf->edit_units_count = 0;
1528 static void mxf_write_klv_fill(AVFormatContext *s)
1530 unsigned pad = klv_fill_size(avio_tell(s->pb));
1532 avio_write(s->pb, klv_fill_key, 16);
1534 klv_encode_ber4_length(s->pb, pad);
1535 ffio_fill(s->pb, 0, pad);
1536 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1540 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1542 const uint8_t *key, int write_metadata)
1544 MXFContext *mxf = s->priv_data;
1545 AVIOContext *pb = s->pb;
1546 int64_t header_byte_count_offset;
1547 unsigned index_byte_count = 0;
1548 uint64_t partition_offset = avio_tell(pb);
1551 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1552 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1553 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1554 else if (mxf->edit_unit_byte_count && indexsid)
1555 index_byte_count = 80;
1557 if (index_byte_count) {
1558 // add encoded ber length
1559 index_byte_count += 16 + klv_ber_length(index_byte_count);
1560 index_byte_count += klv_fill_size(index_byte_count);
1563 if (key && !memcmp(key, body_partition_key, 16)) {
1564 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1565 sizeof(*mxf->body_partition_offset))) < 0) {
1566 mxf->body_partitions_count = 0;
1569 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1574 avio_write(pb, key, 16);
1576 avio_write(pb, body_partition_key, 16);
1578 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1580 // write partition value
1581 avio_wb16(pb, 1); // majorVersion
1582 avio_wb16(pb, 2); // minorVersion
1583 avio_wb32(pb, KAG_SIZE); // KAGSize
1585 avio_wb64(pb, partition_offset); // ThisPartition
1587 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1588 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1589 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1590 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1594 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1597 header_byte_count_offset = avio_tell(pb);
1598 avio_wb64(pb, 0); // headerByteCount, update later
1601 avio_wb64(pb, index_byte_count); // indexByteCount
1602 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1605 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1606 avio_wb64(pb, mxf->body_offset);
1610 avio_wb32(pb, bodysid); // bodySID
1612 // operational pattern
1613 if (s->oformat == &ff_mxf_opatom_muxer)
1614 avio_write(pb, opatom_ul, 16);
1616 avio_write(pb, op1a_ul, 16);
1618 // essence container
1619 mxf_write_essence_container_refs(s);
1621 if (write_metadata) {
1622 // mark the start of the headermetadata and calculate metadata size
1624 unsigned header_byte_count;
1626 mxf_write_klv_fill(s);
1627 start = avio_tell(s->pb);
1628 mxf_write_primer_pack(s);
1629 mxf_write_header_metadata_sets(s);
1630 pos = avio_tell(s->pb);
1631 header_byte_count = pos - start + klv_fill_size(pos);
1633 // update header_byte_count
1634 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1635 avio_wb64(pb, header_byte_count);
1636 avio_seek(pb, pos, SEEK_SET);
1645 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1648 MXFContext *mxf = s->priv_data;
1649 MXFStreamContext *sc = st->priv_data;
1651 uint8_t* header_cid;
1654 if (mxf->header_written)
1660 header_cid = pkt->data + 0x28;
1661 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1663 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1665 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1666 return AVERROR_INVALIDDATA;
1671 sc->component_depth = 10;
1681 sc->component_depth = 10;
1691 sc->component_depth = 10;
1706 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1707 sc->aspect_ratio = (AVRational){ 16, 9 };
1709 if(s->oformat == &ff_mxf_opatom_muxer){
1710 mxf->edit_unit_byte_count = frame_size;
1714 mxf->edit_unit_byte_count = KAG_SIZE;
1715 for (i = 0; i < s->nb_streams; i++) {
1716 AVStream *st = s->streams[i];
1717 MXFStreamContext *sc = st->priv_data;
1718 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1719 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1720 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1721 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1722 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1723 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1730 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1732 MXFContext *mxf = s->priv_data;
1733 MXFStreamContext *sc = st->priv_data;
1734 uint8_t *vs_pack, *vsc_pack;
1735 int i, ul_index, frame_size, stype, pal;
1737 if (mxf->header_written)
1740 // Check for minimal frame size
1741 if (pkt->size < 120000)
1744 vs_pack = pkt->data + 80*5 + 48;
1745 vsc_pack = pkt->data + 80*5 + 53;
1746 stype = vs_pack[3] & 0x1f;
1747 pal = (vs_pack[3] >> 5) & 0x1;
1749 if ((vs_pack[2] & 0x07) == 0x02)
1750 sc->aspect_ratio = (AVRational){ 16, 9 };
1752 sc->aspect_ratio = (AVRational){ 4, 3 };
1754 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1755 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1756 // and set field dominance accordingly
1757 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1760 case 0x18: // DV100 720p
1762 frame_size = pal ? 288000 : 240000;
1763 if (sc->interlaced) {
1764 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1768 case 0x14: // DV100 1080i
1770 frame_size = pal ? 576000 : 480000;
1774 frame_size = pal ? 288000 : 240000;
1778 frame_size = pal ? 144000 : 120000;
1781 sc->index = ul_index + 16;
1782 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1784 if(s->oformat == &ff_mxf_opatom_muxer) {
1785 mxf->edit_unit_byte_count = frame_size;
1789 mxf->edit_unit_byte_count = KAG_SIZE;
1790 for (i = 0; i < s->nb_streams; i++) {
1791 AVStream *st = s->streams[i];
1792 MXFStreamContext *sc = st->priv_data;
1793 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1794 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1795 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1796 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1797 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1798 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1805 static const struct {
1810 } mxf_h264_codec_uls[] = {
1811 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1812 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1813 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1814 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1815 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1816 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1817 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1818 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1819 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1820 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1821 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1822 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1823 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1824 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1827 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1828 AVPacket *pkt, MXFIndexEntry *e)
1830 MXFContext *mxf = s->priv_data;
1831 MXFStreamContext *sc = st->priv_data;
1832 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1833 const uint8_t *buf = pkt->data;
1834 const uint8_t *buf_end = pkt->data + pkt->size;
1835 uint32_t state = -1;
1836 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1840 if (pkt->size > extra_size)
1841 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1844 buf = avpriv_find_start_code(buf, buf_end, &state);
1848 switch (state & 0x1f) {
1850 st->codec->profile = buf[1];
1854 if (e->flags & 0x40) { // sequence header present
1855 e->flags |= 0x80; // random access
1865 if (mxf->header_written)
1868 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1869 sc->component_depth = 10; // AVC Intra is always 10 Bit
1870 sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1872 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1875 frame_size = pkt->size + extra_size;
1876 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1877 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1878 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1880 } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1881 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1887 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1894 static const UID mxf_mpeg2_codec_uls[] = {
1895 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1896 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1897 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1898 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1899 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1900 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1901 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1902 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1903 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1904 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1907 static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
1909 int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1911 if (avctx->profile == 4) { // Main
1912 if (avctx->level == 8) // Main
1913 return &mxf_mpeg2_codec_uls[0+long_gop];
1914 else if (avctx->level == 4) // High
1915 return &mxf_mpeg2_codec_uls[4+long_gop];
1916 else if (avctx->level == 6) // High 14
1917 return &mxf_mpeg2_codec_uls[8+long_gop];
1918 } else if (avctx->profile == 0) { // 422
1919 if (avctx->level == 5) // Main
1920 return &mxf_mpeg2_codec_uls[2+long_gop];
1921 else if (avctx->level == 2) // High
1922 return &mxf_mpeg2_codec_uls[6+long_gop];
1927 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1928 AVPacket *pkt, MXFIndexEntry *e)
1930 MXFStreamContext *sc = st->priv_data;
1934 for(i = 0; i < pkt->size - 4; i++) {
1935 c = (c<<8) + pkt->data[i];
1937 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1938 st->codec->profile = pkt->data[i+1] & 0x07;
1939 st->codec->level = pkt->data[i+2] >> 4;
1940 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1941 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1943 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1946 } else if (c == 0x1b8) { // gop
1947 if (pkt->data[i+4]>>6 & 0x01) { // closed
1949 if (e->flags & 0x40) // sequence header present
1950 e->flags |= 0x80; // random access
1952 } else if (c == 0x1b3) { // seq
1954 switch ((pkt->data[i+4]>>4) & 0xf) {
1955 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1956 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1957 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1959 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1960 st->codec->width, st->codec->height, 1024*1024);
1962 } else if (c == 0x100) { // pic
1963 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1964 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1965 if (pict_type == 2) { // P frame
1967 sc->closed_gop = 0; // reset closed gop, don't matter anymore
1968 } else if (pict_type == 3) { // B frame
1970 e->flags |= 0x13; // only backward prediction
1973 sc->temporal_reordering = -1;
1974 } else if (!pict_type) {
1975 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1980 if (s->oformat != &ff_mxf_d10_muxer)
1981 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
1982 return !!sc->codec_ul;
1985 static uint64_t mxf_parse_timestamp(time_t timestamp)
1988 struct tm *time = gmtime_r(×tamp, &tmbuf);
1991 return (uint64_t)(time->tm_year+1900) << 48 |
1992 (uint64_t)(time->tm_mon+1) << 40 |
1993 (uint64_t) time->tm_mday << 32 |
1994 time->tm_hour << 24 |
1995 time->tm_min << 16 |
1999 static void mxf_gen_umid(AVFormatContext *s)
2001 MXFContext *mxf = s->priv_data;
2002 uint32_t seed = av_get_random_seed();
2003 uint64_t umid = seed + 0x5294713400000000LL;
2005 AV_WB64(mxf->umid , umid);
2006 AV_WB64(mxf->umid+8, umid>>8);
2008 mxf->instance_number = seed & 0xFFFFFF;
2011 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2013 MXFContext *mxf = s->priv_data;
2014 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2016 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2019 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2021 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2024 static int mxf_write_header(AVFormatContext *s)
2026 MXFContext *mxf = s->priv_data;
2028 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2029 const MXFSamplesPerFrame *spf = NULL;
2030 AVDictionaryEntry *t;
2031 int64_t timestamp = 0;
2036 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2037 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2041 for (i = 0; i < s->nb_streams; i++) {
2042 AVStream *st = s->streams[i];
2043 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2045 return AVERROR(ENOMEM);
2048 if (((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2049 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2053 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2054 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codec->pix_fmt);
2055 // TODO: should be avg_frame_rate
2056 AVRational rate, tbc = st->time_base;
2057 // Default component depth to 8
2058 sc->component_depth = 8;
2059 sc->h_chroma_sub_sample = 2;
2060 sc->color_siting = 0xFF;
2063 sc->component_depth = pix_desc->comp[0].depth;
2064 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2066 switch (ff_choose_chroma_location(s, st)) {
2067 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2068 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2069 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2070 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2073 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2074 spf = ff_mxf_get_samples_per_frame(s, tbc);
2076 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2078 return AVERROR(EINVAL);
2080 mxf->time_base = spf->time_base;
2081 rate = av_inv_q(mxf->time_base);
2082 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2083 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2086 sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
2087 if (s->oformat == &ff_mxf_d10_muxer) {
2088 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2090 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2092 } else if (sc->video_bit_rate == 40000000) {
2093 if (mxf->time_base.den == 25) sc->index = 7;
2095 } else if (sc->video_bit_rate == 30000000) {
2096 if (mxf->time_base.den == 25) sc->index = 11;
2097 else sc->index = 13;
2099 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2103 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2104 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2105 mxf->time_base.num / (8*mxf->time_base.den);
2106 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2107 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2108 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2110 sc->signal_standard = 1;
2112 if (mxf->signal_standard >= 0)
2113 sc->signal_standard = mxf->signal_standard;
2114 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2115 if (st->codec->sample_rate != 48000) {
2116 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2119 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
2120 if (s->oformat == &ff_mxf_d10_muxer) {
2121 if (st->index != 1) {
2122 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2125 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2126 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2127 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2129 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2130 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2131 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2133 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2134 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
2135 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2136 return AVERROR_PATCHWELCOME;
2138 if (st->codec->channels != 1) {
2139 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2140 return AVERROR(EINVAL);
2143 spf = ff_mxf_get_samples_per_frame(s, tbc);
2145 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2146 return AVERROR(EINVAL);
2149 mxf->time_base = st->time_base;
2150 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2153 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2154 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
2157 mxf->slice_count = 1;
2162 sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
2163 if (sc->index == -1) {
2164 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2165 "codec not currently supported in container\n", i);
2170 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2172 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2173 sc->track_essence_element_key[15] = present[sc->index];
2174 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2176 if (!present[sc->index])
2177 mxf->essence_container_count++;
2178 present[sc->index]++;
2181 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2182 mxf->essence_container_count = 1;
2185 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2188 for (i = 0; i < s->nb_streams; i++) {
2189 MXFStreamContext *sc = s->streams[i]->priv_data;
2190 // update element count
2191 sc->track_essence_element_key[13] = present[sc->index];
2192 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2193 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2195 sc->order = AV_RB32(sc->track_essence_element_key+12);
2198 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2199 timestamp = ff_iso8601_to_unix_time(t->value);
2201 mxf->timestamp = mxf_parse_timestamp(timestamp);
2204 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2205 if (!mxf->timecode_track)
2206 return AVERROR(ENOMEM);
2207 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2208 if (!mxf->timecode_track->priv_data)
2209 return AVERROR(ENOMEM);
2210 mxf->timecode_track->index = -1;
2213 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2215 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2221 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2222 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 };
2224 static void mxf_write_system_item(AVFormatContext *s)
2226 MXFContext *mxf = s->priv_data;
2227 AVIOContext *pb = s->pb;
2231 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2233 // write system metadata pack
2234 avio_write(pb, system_metadata_pack_key, 16);
2235 klv_encode_ber4_length(pb, 57);
2236 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2237 avio_w8(pb, 0x04); // content package rate
2238 avio_w8(pb, 0x00); // content package type
2239 avio_wb16(pb, 0x00); // channel handle
2240 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2241 if (mxf->essence_container_count > 1)
2242 avio_write(pb, multiple_desc_ul, 16);
2244 MXFStreamContext *sc = s->streams[0]->priv_data;
2245 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2249 avio_wb64(pb, 0); // creation date/time stamp
2251 avio_w8(pb, 0x81); // SMPTE 12M time code
2252 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2253 avio_wb32(pb, time_code);
2254 avio_wb32(pb, 0); // binary group data
2257 // write system metadata package set
2258 avio_write(pb, system_metadata_package_set_key, 16);
2259 klv_encode_ber4_length(pb, 35);
2260 avio_w8(pb, 0x83); // UMID
2261 avio_wb16(pb, 0x20);
2262 mxf_write_umid(s, 1);
2265 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2267 MXFContext *mxf = s->priv_data;
2268 AVIOContext *pb = s->pb;
2269 MXFStreamContext *sc = st->priv_data;
2270 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2271 (8*mxf->time_base.den); // frame size
2274 packet_size += 16 + 4;
2275 packet_size += klv_fill_size(packet_size);
2277 klv_encode_ber4_length(pb, pkt->size);
2278 avio_write(pb, pkt->data, pkt->size);
2280 // ensure CBR muxing by padding to correct video frame size
2281 pad = packet_size - pkt->size - 16 - 4;
2283 avio_write(s->pb, klv_fill_key, 16);
2285 klv_encode_ber4_length(s->pb, pad);
2286 ffio_fill(s->pb, 0, pad);
2287 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2289 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2290 ffio_fill(s->pb, 0, pad);
2294 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2296 MXFContext *mxf = s->priv_data;
2297 AVIOContext *pb = s->pb;
2298 int frame_size = pkt->size / st->codec->block_align;
2299 uint8_t *samples = pkt->data;
2300 uint8_t *end = pkt->data + pkt->size;
2303 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2305 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2306 avio_wl16(pb, frame_size);
2307 avio_w8(pb, (1<<st->codec->channels)-1);
2309 while (samples < end) {
2310 for (i = 0; i < st->codec->channels; i++) {
2312 if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2313 sample = AV_RL24(samples)<< 4;
2316 sample = AV_RL16(samples)<<12;
2319 avio_wl32(pb, sample | i);
2326 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2328 MXFContext *mxf = s->priv_data;
2329 AVIOContext *pb = s->pb;
2330 AVStream *st = s->streams[0];
2331 MXFStreamContext *sc = st->priv_data;
2332 const uint8_t *key = NULL;
2336 if (!mxf->header_written)
2337 key = body_partition_key;
2339 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2341 mxf_write_klv_fill(s);
2342 avio_write(pb, sc->track_essence_element_key, 16);
2343 klv_encode_ber9_length(pb, mxf->body_offset);
2347 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2349 MXFContext *mxf = s->priv_data;
2350 AVIOContext *pb = s->pb;
2354 if (!mxf->header_written) {
2355 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2357 mxf_write_klv_fill(s);
2359 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2361 mxf->header_written = 1;
2364 if (!mxf->edit_unit_byte_count) {
2365 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2366 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2367 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2369 mxf->edit_units_count++;
2370 avio_write(pb, pkt->data, pkt->size);
2371 mxf->body_offset += pkt->size;
2377 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2379 MXFContext *mxf = s->priv_data;
2380 AVIOContext *pb = s->pb;
2381 AVStream *st = s->streams[pkt->stream_index];
2382 MXFStreamContext *sc = st->priv_data;
2383 MXFIndexEntry ie = {0};
2386 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2387 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2388 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2389 mxf->edit_units_count = 0;
2390 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2395 if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2396 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2397 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2400 } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2401 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2402 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2405 } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2406 if (!mxf_parse_dv_frame(s, st, pkt)) {
2407 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2410 } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2411 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2412 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2417 if (s->oformat == &ff_mxf_opatom_muxer)
2418 return mxf_write_opatom_packet(s, pkt, &ie);
2420 if (!mxf->header_written) {
2421 if (mxf->edit_unit_byte_count) {
2422 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2424 mxf_write_klv_fill(s);
2425 mxf_write_index_table_segment(s);
2427 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2430 mxf->header_written = 1;
2433 if (st->index == 0) {
2434 if (!mxf->edit_unit_byte_count &&
2435 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2436 !(ie.flags & 0x33)) { // I frame, Gop start
2437 mxf_write_klv_fill(s);
2438 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2440 mxf_write_klv_fill(s);
2441 mxf_write_index_table_segment(s);
2444 mxf_write_klv_fill(s);
2445 mxf_write_system_item(s);
2447 if (!mxf->edit_unit_byte_count) {
2448 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2449 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2450 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2451 mxf->body_offset += KAG_SIZE; // size of system element
2453 mxf->edit_units_count++;
2454 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2455 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2456 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2459 mxf_write_klv_fill(s);
2460 avio_write(pb, sc->track_essence_element_key, 16); // write key
2461 if (s->oformat == &ff_mxf_d10_muxer) {
2462 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2463 mxf_write_d10_video_packet(s, st, pkt);
2465 mxf_write_d10_audio_packet(s, st, pkt);
2467 klv_encode_ber4_length(pb, pkt->size); // write length
2468 avio_write(pb, pkt->data, pkt->size);
2469 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2477 static void mxf_write_random_index_pack(AVFormatContext *s)
2479 MXFContext *mxf = s->priv_data;
2480 AVIOContext *pb = s->pb;
2481 uint64_t pos = avio_tell(pb);
2484 avio_write(pb, random_index_pack_key, 16);
2485 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2487 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2488 avio_wb32(pb, 1); // BodySID of header partition
2491 avio_wb64(pb, 0); // offset of header partition
2493 for (i = 0; i < mxf->body_partitions_count; i++) {
2494 avio_wb32(pb, 1); // BodySID
2495 avio_wb64(pb, mxf->body_partition_offset[i]);
2498 avio_wb32(pb, 0); // BodySID of footer partition
2499 avio_wb64(pb, mxf->footer_partition_offset);
2501 avio_wb32(pb, avio_tell(pb) - pos + 4);
2504 static int mxf_write_footer(AVFormatContext *s)
2506 MXFContext *mxf = s->priv_data;
2507 AVIOContext *pb = s->pb;
2510 if (!mxf->header_written ||
2511 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2512 /* reason could be invalid options/not supported codec/out of memory */
2513 err = AVERROR_UNKNOWN;
2517 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2519 mxf_write_klv_fill(s);
2520 mxf->footer_partition_offset = avio_tell(pb);
2521 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2522 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2525 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2527 mxf_write_klv_fill(s);
2528 mxf_write_index_table_segment(s);
2531 mxf_write_klv_fill(s);
2532 mxf_write_random_index_pack(s);
2534 if (s->pb->seekable) {
2535 if (s->oformat == &ff_mxf_opatom_muxer){
2536 /* rewrite body partition to update lengths */
2537 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2538 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2542 avio_seek(pb, 0, SEEK_SET);
2543 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2544 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2546 mxf_write_klv_fill(s);
2547 mxf_write_index_table_segment(s);
2549 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2555 ff_audio_interleave_close(s);
2557 av_freep(&mxf->index_entries);
2558 av_freep(&mxf->body_partition_offset);
2559 av_freep(&mxf->timecode_track->priv_data);
2560 av_freep(&mxf->timecode_track);
2564 return err < 0 ? err : 0;
2567 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2569 int i, stream_count = 0;
2571 for (i = 0; i < s->nb_streams; i++)
2572 stream_count += !!s->streams[i]->last_in_packet_buffer;
2574 if (stream_count && (s->nb_streams == stream_count || flush)) {
2575 AVPacketList *pktl = s->internal->packet_buffer;
2576 if (s->nb_streams != stream_count) {
2577 AVPacketList *last = NULL;
2578 // find last packet in edit unit
2580 if (!stream_count || pktl->pkt.stream_index == 0)
2586 // purge packet queue
2588 AVPacketList *next = pktl->next;
2590 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2591 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2592 av_free_packet(&pktl->pkt);
2599 s->internal->packet_buffer = NULL;
2600 s->internal->packet_buffer_end= NULL;
2603 pktl = s->internal->packet_buffer;
2607 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2608 s->internal->packet_buffer = pktl->next;
2609 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2610 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2611 if(!s->internal->packet_buffer)
2612 s->internal->packet_buffer_end= NULL;
2617 av_init_packet(out);
2622 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2624 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2625 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2627 return next->dts > pkt->dts ||
2628 (next->dts == pkt->dts && sc->order < sc2->order);
2631 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2633 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2634 mxf_interleave_get_packet, mxf_compare_timestamps);
2637 #define MXF_COMMON_OPTIONS \
2638 { "signal_standard", "Force/set Sigal Standard",\
2639 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2640 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2641 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2642 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2643 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2644 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2645 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2646 { "smpte274m", "SMPTE 274M (1125 line)",\
2647 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2648 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2649 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2650 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2651 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2652 { "smpte428", "SMPTE 428-1 DCDM",\
2653 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2657 static const AVOption mxf_options[] = {
2662 static const AVClass mxf_muxer_class = {
2663 .class_name = "MXF muxer",
2664 .item_name = av_default_item_name,
2665 .option = mxf_options,
2666 .version = LIBAVUTIL_VERSION_INT,
2669 static const AVOption d10_options[] = {
2670 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2671 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2676 static const AVClass mxf_d10_muxer_class = {
2677 .class_name = "MXF-D10 muxer",
2678 .item_name = av_default_item_name,
2679 .option = d10_options,
2680 .version = LIBAVUTIL_VERSION_INT,
2683 static const AVOption opatom_options[] = {
2684 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2685 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2690 static const AVClass mxf_opatom_muxer_class = {
2691 .class_name = "MXF-OPAtom muxer",
2692 .item_name = av_default_item_name,
2693 .option = opatom_options,
2694 .version = LIBAVUTIL_VERSION_INT,
2697 AVOutputFormat ff_mxf_muxer = {
2699 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2700 .mime_type = "application/mxf",
2701 .extensions = "mxf",
2702 .priv_data_size = sizeof(MXFContext),
2703 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2704 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2705 .write_header = mxf_write_header,
2706 .write_packet = mxf_write_packet,
2707 .write_trailer = mxf_write_footer,
2708 .flags = AVFMT_NOTIMESTAMPS,
2709 .interleave_packet = mxf_interleave,
2710 .priv_class = &mxf_muxer_class,
2713 AVOutputFormat ff_mxf_d10_muxer = {
2715 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2716 .mime_type = "application/mxf",
2717 .priv_data_size = sizeof(MXFContext),
2718 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2719 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2720 .write_header = mxf_write_header,
2721 .write_packet = mxf_write_packet,
2722 .write_trailer = mxf_write_footer,
2723 .flags = AVFMT_NOTIMESTAMPS,
2724 .interleave_packet = mxf_interleave,
2725 .priv_class = &mxf_d10_muxer_class,
2728 AVOutputFormat ff_mxf_opatom_muxer = {
2729 .name = "mxf_opatom",
2730 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2731 .mime_type = "application/mxf",
2732 .extensions = "mxf",
2733 .priv_data_size = sizeof(MXFContext),
2734 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2735 .video_codec = AV_CODEC_ID_DNXHD,
2736 .write_header = mxf_write_header,
2737 .write_packet = mxf_write_packet,
2738 .write_trailer = mxf_write_footer,
2739 .flags = AVFMT_NOTIMESTAMPS,
2740 .interleave_packet = mxf_interleave,
2741 .priv_class = &mxf_opatom_muxer_class,