3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25 * fixes sponsored by NOA GmbH
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE RP210: SMPTE Metadata Dictionary
36 * SMPTE RP224: Registry of SMPTE Universal Labels
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/time_internal.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/dv_profile.h"
52 #include "libavcodec/h264.h"
53 #include "libavcodec/internal.h"
54 #include "audiointerleave.h"
56 #include "avio_internal.h"
61 extern AVOutputFormat ff_mxf_d10_muxer;
62 extern AVOutputFormat ff_mxf_opatom_muxer;
64 #define EDIT_UNITS_PER_BODY 250
67 typedef struct MXFLocalTagPair {
72 typedef struct MXFIndexEntry {
75 unsigned slice_offset; ///< offset of audio slice
76 uint16_t temporal_ref;
79 typedef struct MXFStreamContext {
80 AudioInterleaveContext aic;
81 UID track_essence_element_key;
82 int index; ///< index in mxf_essence_container_uls table
84 int order; ///< interleaving order if dts are equal
85 int interlaced; ///< whether picture is interlaced
86 int field_dominance; ///< tff=1, bff=2
90 int h_chroma_sub_sample;
91 int v_chroma_sub_sample;
92 int temporal_reordering;
93 AVRational aspect_ratio; ///< display aspect ratio
94 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
97 int frame_size; ///< frame size in bytes
98 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
99 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
100 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
101 int low_delay; ///< low delay, used in mpeg-2 descriptor
104 typedef struct MXFContainerEssenceEntry {
108 void (*write_desc)(AVFormatContext *, AVStream *);
109 } MXFContainerEssenceEntry;
111 typedef struct MXFPackage {
113 enum MXFMetadataSetType type;
115 struct MXFPackage *ref;
122 INDEX_D10_625_50_50_VIDEO,
123 INDEX_D10_625_50_50_AUDIO,
124 INDEX_D10_525_60_50_VIDEO,
125 INDEX_D10_525_60_50_AUDIO,
126 INDEX_D10_625_50_40_VIDEO,
127 INDEX_D10_625_50_40_AUDIO,
128 INDEX_D10_525_60_40_VIDEO,
129 INDEX_D10_525_60_40_AUDIO,
130 INDEX_D10_625_50_30_VIDEO,
131 INDEX_D10_625_50_30_AUDIO,
132 INDEX_D10_525_60_30_VIDEO,
133 INDEX_D10_525_60_30_AUDIO,
137 INDEX_DV25_525_60_IEC,
138 INDEX_DV25_625_50_IEC,
145 INDEX_DNXHD_1080p_10bit_HIGH,
146 INDEX_DNXHD_1080p_8bit_MEDIUM,
147 INDEX_DNXHD_1080p_8bit_HIGH,
148 INDEX_DNXHD_1080i_10bit_HIGH,
149 INDEX_DNXHD_1080i_8bit_MEDIUM,
150 INDEX_DNXHD_1080i_8bit_HIGH,
151 INDEX_DNXHD_720p_10bit,
152 INDEX_DNXHD_720p_8bit_HIGH,
153 INDEX_DNXHD_720p_8bit_MEDIUM,
154 INDEX_DNXHD_720p_8bit_LOW,
164 static const struct {
167 } mxf_essence_mappings[] = {
168 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
169 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
170 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
171 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
172 { AV_CODEC_ID_DNXHD, INDEX_DNXHD_1080p_10bit_HIGH },
173 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
174 { AV_CODEC_ID_H264, INDEX_H264 },
178 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
179 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
180 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
181 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
182 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
183 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st);
185 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
189 mxf_write_mpegvideo_desc },
190 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
191 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
192 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
193 mxf_write_aes3_desc },
194 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
195 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
196 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
197 mxf_write_wav_desc },
198 // D-10 625/50 PAL 50mb/s
199 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
200 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
201 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
202 mxf_write_cdci_desc },
203 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
204 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
205 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
206 mxf_write_generic_sound_desc },
207 // D-10 525/60 NTSC 50mb/s
208 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
209 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
210 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
211 mxf_write_cdci_desc },
212 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
213 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
214 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
215 mxf_write_generic_sound_desc },
216 // D-10 625/50 PAL 40mb/s
217 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
218 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
219 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
220 mxf_write_cdci_desc },
221 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
222 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
224 mxf_write_generic_sound_desc },
225 // D-10 525/60 NTSC 40mb/s
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
229 mxf_write_cdci_desc },
230 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
231 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
232 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
233 mxf_write_generic_sound_desc },
234 // D-10 625/50 PAL 30mb/s
235 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
236 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
238 mxf_write_cdci_desc },
239 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
240 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
241 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
242 mxf_write_generic_sound_desc },
243 // D-10 525/60 NTSC 30mb/s
244 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
245 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
246 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
247 mxf_write_cdci_desc },
248 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
249 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
250 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
251 mxf_write_generic_sound_desc },
253 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
254 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
255 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
256 mxf_write_cdci_desc },
259 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
260 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
261 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
262 mxf_write_cdci_desc },
264 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
265 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
266 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
267 mxf_write_cdci_desc },
270 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
271 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
272 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
273 mxf_write_cdci_desc },
275 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
276 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
277 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
278 mxf_write_cdci_desc },
281 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
282 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
283 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
284 mxf_write_cdci_desc },
286 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
287 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
288 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
289 mxf_write_cdci_desc },
291 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
292 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
294 mxf_write_cdci_desc },
296 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
297 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
298 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
299 mxf_write_cdci_desc },
301 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
302 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
303 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
304 mxf_write_cdci_desc },
306 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
307 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
308 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
309 mxf_write_cdci_desc },
310 // DNxHD 1080p 10bit high
311 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
312 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
313 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
314 mxf_write_cdci_desc },
315 // DNxHD 1080p 8bit medium
316 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
317 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
318 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
319 mxf_write_cdci_desc },
320 // DNxHD 1080p 8bit high
321 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
322 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
323 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
324 mxf_write_cdci_desc },
325 // DNxHD 1080i 10bit high
326 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
327 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
328 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
329 mxf_write_cdci_desc },
330 // DNxHD 1080i 8bit medium
331 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
332 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
333 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
334 mxf_write_cdci_desc },
335 // DNxHD 1080i 8bit high
336 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
337 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
338 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
339 mxf_write_cdci_desc },
341 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
342 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
343 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
344 mxf_write_cdci_desc },
345 // DNxHD 720p 8bit high
346 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
347 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
348 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
349 mxf_write_cdci_desc },
350 // DNxHD 720p 8bit medium
351 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
352 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
353 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
354 mxf_write_cdci_desc },
355 // DNxHD 720p 8bit low
356 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
357 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
358 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
359 mxf_write_cdci_desc },
360 // DNxHR LB - CID 1274
361 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
362 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
363 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 },
364 mxf_write_cdci_desc },
365 // DNxHR SQ - CID 1273
366 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
367 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
368 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 },
369 mxf_write_cdci_desc },
370 // DNxHR HQ - CID 1272
371 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
372 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
373 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 },
374 mxf_write_cdci_desc },
375 // DNxHR HQX - CID 1271
376 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
377 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
378 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 },
379 mxf_write_cdci_desc },
380 // DNxHR 444 - CID 1270
381 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
382 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
383 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 },
384 mxf_write_cdci_desc },
386 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
387 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
388 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
389 mxf_write_cdci_desc },
391 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
392 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
393 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
394 mxf_write_mpegvideo_desc },
396 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
397 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
398 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
399 mxf_write_s436m_anc_desc },
400 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
401 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
402 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
406 typedef struct MXFContext {
408 int64_t footer_partition_offset;
409 int essence_container_count;
410 AVRational time_base;
412 MXFIndexEntry *index_entries;
413 unsigned edit_units_count;
414 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
415 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
416 int last_indexed_edit_unit;
417 uint64_t *body_partition_offset;
418 unsigned body_partitions_count;
419 int last_key_index; ///< index of last key frame
421 AVTimecode tc; ///< timecode context
422 AVStream *timecode_track;
423 int timecode_base; ///< rounded time code base (25 or 30)
424 int edit_unit_byte_count; ///< fixed edit unit byte count
425 int content_package_rate; ///< content package rate in system element, see SMPTE 326M
426 uint64_t body_offset;
427 uint32_t instance_number;
428 uint8_t umid[16]; ///< unique material identifier
431 uint32_t tagged_value_count;
432 AVRational audio_edit_rate;
433 int store_user_comments;
434 int track_instance_count; // used to generate MXFTrack uuids
435 int cbr_index; ///< use a constant bitrate index
438 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
439 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
442 * complete key for operation pattern, partitions, and primer pack
444 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
445 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
446 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
447 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
448 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
449 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
450 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
451 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
452 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
453 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
456 * partial key for header metadata
458 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
459 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
462 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
463 * https://smpte-ra.org/sites/default/files/Labels.xml
465 static const MXFLocalTagPair mxf_local_tag_batch[] = {
467 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
468 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
469 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
470 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
471 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
472 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
473 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
474 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
475 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
477 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
478 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
479 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
480 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
481 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
482 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
483 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
484 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
485 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
487 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
488 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
489 // Essence Container Data
490 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
491 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
493 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
494 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
495 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
496 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
497 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
498 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
500 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
501 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
502 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
503 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
504 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
506 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
507 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
508 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
510 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
511 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
512 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
513 // Timecode Component
514 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
515 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
516 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
518 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
519 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
520 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
521 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
522 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
523 // Generic Picture Essence Descriptor
524 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
525 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
526 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
527 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
528 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
529 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
530 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
531 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
532 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
533 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
534 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
535 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
536 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
537 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
538 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
539 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
540 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
541 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
542 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
543 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
544 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
545 // CDCI Picture Essence Descriptor
546 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
547 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
548 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
549 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
550 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
551 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
552 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
553 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
554 // Generic Sound Essence Descriptor
555 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
556 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
557 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
558 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
559 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
560 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
561 // Index Table Segment
562 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
563 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
564 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
565 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
566 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
567 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
568 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
569 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
570 // MPEG video Descriptor
571 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
572 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
573 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
574 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
575 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
576 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
577 // Wave Audio Essence Descriptor
578 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
579 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
582 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
583 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
584 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
585 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
588 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
590 avio_write(pb, uuid_base, 12);
592 avio_wb16(pb, value);
595 static void mxf_write_umid(AVFormatContext *s, int type)
597 MXFContext *mxf = s->priv_data;
598 avio_write(s->pb, umid_ul, 13);
599 avio_wb24(s->pb, mxf->instance_number);
600 avio_write(s->pb, mxf->umid, 15);
601 avio_w8(s->pb, type);
604 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
606 avio_wb32(pb, ref_count);
610 static int klv_ber_length(uint64_t len)
615 return (av_log2(len) >> 3) + 2;
618 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
620 // Determine the best BER size
628 size = (av_log2(len) >> 3) + 1;
631 avio_w8(pb, 0x80 + size);
634 avio_w8(pb, len >> 8 * size & 0xff);
639 static void klv_encode_ber4_length(AVIOContext *pb, int len)
641 avio_w8(pb, 0x80 + 3);
645 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
647 avio_w8(pb, 0x80 + 8);
652 * Get essence container ul index
654 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
657 for (i = 0; mxf_essence_mappings[i].id; i++)
658 if (mxf_essence_mappings[i].id == id)
659 return mxf_essence_mappings[i].index;
663 static void mxf_write_primer_pack(AVFormatContext *s)
665 MXFContext *mxf = s->priv_data;
666 AVIOContext *pb = s->pb;
667 int local_tag_number, i = 0;
669 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
670 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
672 avio_write(pb, primer_pack_key, 16);
673 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
675 avio_wb32(pb, local_tag_number); // local_tag num
676 avio_wb32(pb, 18); // item size, always 18 according to the specs
678 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
679 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
680 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
682 if (mxf->store_user_comments)
683 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
684 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
685 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
689 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
695 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
697 avio_write(pb, header_metadata_key, 13);
698 avio_wb24(pb, value);
701 static void mxf_free(AVFormatContext *s)
705 for (i = 0; i < s->nb_streams; i++) {
706 AVStream *st = s->streams[i];
707 av_freep(&st->priv_data);
711 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
713 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
714 while (uls->uid[0]) {
722 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
723 #define DESCRIPTOR_COUNT(essence_container_count) \
724 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
726 static void mxf_write_essence_container_refs(AVFormatContext *s)
728 MXFContext *c = s->priv_data;
729 AVIOContext *pb = s->pb;
732 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
733 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
734 for (i = 0; i < s->nb_streams; i++) {
735 MXFStreamContext *sc = s->streams[i]->priv_data;
736 // check first track of essence container type and only write it once
737 if (sc->track_essence_element_key[15] != 0)
739 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
740 if (c->essence_container_count == 1)
744 if (c->essence_container_count > 1)
745 avio_write(pb, multiple_desc_ul, 16);
748 static void mxf_write_preface(AVFormatContext *s)
750 MXFContext *mxf = s->priv_data;
751 AVIOContext *pb = s->pb;
753 mxf_write_metadata_key(pb, 0x012f00);
754 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
755 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
757 // write preface set uid
758 mxf_write_local_tag(pb, 16, 0x3C0A);
759 mxf_write_uuid(pb, Preface, 0);
760 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
762 // last modified date
763 mxf_write_local_tag(pb, 8, 0x3B02);
764 avio_wb64(pb, mxf->timestamp);
767 mxf_write_local_tag(pb, 2, 0x3B05);
768 avio_wb16(pb, 259); // v1.3
770 // Object Model Version
771 mxf_write_local_tag(pb, 4, 0x3B07);
774 // write identification_refs
775 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
776 mxf_write_refs_count(pb, 1);
777 mxf_write_uuid(pb, Identification, 0);
779 // write content_storage_refs
780 mxf_write_local_tag(pb, 16, 0x3B03);
781 mxf_write_uuid(pb, ContentStorage, 0);
783 // operational pattern
784 mxf_write_local_tag(pb, 16, 0x3B09);
785 if (s->oformat == &ff_mxf_opatom_muxer)
786 avio_write(pb, opatom_ul, 16);
788 avio_write(pb, op1a_ul, 16);
790 // write essence_container_refs
791 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
792 mxf_write_essence_container_refs(s);
794 // write dm_scheme_refs
795 mxf_write_local_tag(pb, 8, 0x3B0B);
800 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
801 * from decoding the utf-8 string.
803 static uint64_t mxf_utf16len(const char *utf8_str)
805 const uint8_t *q = utf8_str;
809 GET_UTF8(ch, *q++, goto invalid;)
816 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
823 * Returns the calculated length a local tag containing an utf-8 string as utf-16
825 static int mxf_utf16_local_tag_length(const char *utf8_str)
832 size = mxf_utf16len(utf8_str);
833 if (size >= UINT16_MAX/2) {
834 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
842 * Write a local tag containing an utf-8 string as utf-16
844 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
846 uint64_t size = mxf_utf16len(value);
848 if (size >= UINT16_MAX/2) {
849 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
853 mxf_write_local_tag(pb, size*2, tag);
854 avio_put_str16be(pb, value);
857 static void store_version(AVFormatContext *s){
858 AVIOContext *pb = s->pb;
860 if (s->flags & AVFMT_FLAG_BITEXACT) {
861 avio_wb16(pb, 0); // major
862 avio_wb16(pb, 0); // minor
863 avio_wb16(pb, 0); // tertiary
865 avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
866 avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
867 avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
869 avio_wb16(pb, 0); // patch
870 avio_wb16(pb, 0); // release
873 static void mxf_write_identification(AVFormatContext *s)
875 MXFContext *mxf = s->priv_data;
876 AVIOContext *pb = s->pb;
877 const char *company = "FFmpeg";
878 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
882 mxf_write_metadata_key(pb, 0x013000);
883 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
885 version = s->flags & AVFMT_FLAG_BITEXACT ?
886 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
887 length = 100 +mxf_utf16_local_tag_length(company) +
888 mxf_utf16_local_tag_length(product) +
889 mxf_utf16_local_tag_length(version);
890 klv_encode_ber_length(pb, length);
893 mxf_write_local_tag(pb, 16, 0x3C0A);
894 mxf_write_uuid(pb, Identification, 0);
895 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
897 // write generation uid
898 mxf_write_local_tag(pb, 16, 0x3C09);
899 mxf_write_uuid(pb, Identification, 1);
900 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
901 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
903 mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
906 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
909 mxf_write_local_tag(pb, 16, 0x3C05);
910 mxf_write_uuid(pb, Identification, 2);
913 mxf_write_local_tag(pb, 8, 0x3C06);
914 avio_wb64(pb, mxf->timestamp);
916 mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
920 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
922 AVIOContext *pb = s->pb;
925 mxf_write_metadata_key(pb, 0x011800);
926 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
927 klv_encode_ber_length(pb, 60 + (16 * package_count));
930 mxf_write_local_tag(pb, 16, 0x3C0A);
931 mxf_write_uuid(pb, ContentStorage, 0);
932 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
934 // write package reference
935 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
936 mxf_write_refs_count(pb, package_count);
937 for (i = 0; i < package_count; i++) {
938 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
941 // write essence container data
942 mxf_write_local_tag(pb, 8 + 16, 0x1902);
943 mxf_write_refs_count(pb, 1);
944 mxf_write_uuid(pb, EssenceContainerData, 0);
947 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
949 MXFContext *mxf = s->priv_data;
950 AVIOContext *pb = s->pb;
951 MXFStreamContext *sc = st->priv_data;
953 mxf_write_metadata_key(pb, 0x013b00);
954 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
955 klv_encode_ber_length(pb, 80);
958 mxf_write_local_tag(pb, 16, 0x3C0A);
959 mxf_write_uuid(pb, Track, mxf->track_instance_count);
960 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
963 mxf_write_local_tag(pb, 4, 0x4801);
964 avio_wb32(pb, st->index+2);
966 // write track number
967 mxf_write_local_tag(pb, 4, 0x4804);
968 if (package->type == MaterialPackage)
969 avio_wb32(pb, 0); // track number of material package is 0
971 avio_write(pb, sc->track_essence_element_key + 12, 4);
974 mxf_write_local_tag(pb, 8, 0x4B01);
976 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
977 avio_wb32(pb, mxf->tc.rate.num);
978 avio_wb32(pb, mxf->tc.rate.den);
980 avio_wb32(pb, mxf->time_base.den);
981 avio_wb32(pb, mxf->time_base.num);
985 mxf_write_local_tag(pb, 8, 0x4B02);
988 // write sequence refs
989 mxf_write_local_tag(pb, 16, 0x4803);
990 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
993 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 };
995 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
997 MXFContext *mxf = s->priv_data;
998 AVIOContext *pb = s->pb;
1000 // find data define uls
1001 mxf_write_local_tag(pb, 16, 0x0201);
1002 if (st == mxf->timecode_track)
1003 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
1005 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
1006 avio_write(pb, data_def_ul->uid, 16);
1010 mxf_write_local_tag(pb, 8, 0x0202);
1012 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1013 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1015 avio_wb64(pb, mxf->duration);
1019 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
1021 MXFContext *mxf = s->priv_data;
1022 AVIOContext *pb = s->pb;
1023 enum MXFMetadataSetType component;
1025 mxf_write_metadata_key(pb, 0x010f00);
1026 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
1027 klv_encode_ber_length(pb, 80);
1029 mxf_write_local_tag(pb, 16, 0x3C0A);
1030 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
1032 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
1033 mxf_write_common_fields(s, st);
1035 // write structural component
1036 mxf_write_local_tag(pb, 16 + 8, 0x1001);
1037 mxf_write_refs_count(pb, 1);
1038 if (st == mxf->timecode_track)
1039 component = TimecodeComponent;
1041 component = SourceClip;
1043 mxf_write_uuid(pb, component, mxf->track_instance_count);
1046 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1048 MXFContext *mxf = s->priv_data;
1049 AVIOContext *pb = s->pb;
1051 mxf_write_metadata_key(pb, 0x011400);
1052 klv_encode_ber_length(pb, 75);
1055 mxf_write_local_tag(pb, 16, 0x3C0A);
1056 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
1058 mxf_write_common_fields(s, st);
1061 mxf_write_local_tag(pb, 8, 0x1501);
1062 avio_wb64(pb, mxf->tc.start);
1064 // Rounded Time Code Base
1065 mxf_write_local_tag(pb, 2, 0x1502);
1066 avio_wb16(pb, mxf->timecode_base);
1069 mxf_write_local_tag(pb, 1, 0x1503);
1070 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
1073 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1075 MXFContext *mxf = s->priv_data;
1076 AVIOContext *pb = s->pb;
1079 mxf_write_metadata_key(pb, 0x011100);
1080 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
1081 klv_encode_ber_length(pb, 108);
1084 mxf_write_local_tag(pb, 16, 0x3C0A);
1085 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
1087 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
1088 mxf_write_common_fields(s, st);
1090 // write start_position
1091 mxf_write_local_tag(pb, 8, 0x1201);
1094 // write source package uid, end of the reference
1095 mxf_write_local_tag(pb, 32, 0x1101);
1096 if (!package->ref) {
1097 for (i = 0; i < 4; i++)
1100 mxf_write_umid(s, package->ref->instance);
1102 // write source track id
1103 mxf_write_local_tag(pb, 4, 0x1102);
1104 if (package->type == SourcePackage && !package->ref)
1107 avio_wb32(pb, st->index+2);
1110 static void mxf_write_tape_descriptor(AVFormatContext *s)
1112 AVIOContext *pb = s->pb;
1114 mxf_write_metadata_key(pb, 0x012e00);
1115 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1116 klv_encode_ber_length(pb, 20);
1117 mxf_write_local_tag(pb, 16, 0x3C0A);
1118 mxf_write_uuid(pb, TapeDescriptor, 0);
1119 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1123 static void mxf_write_multi_descriptor(AVFormatContext *s)
1125 MXFContext *mxf = s->priv_data;
1126 AVIOContext *pb = s->pb;
1130 mxf_write_metadata_key(pb, 0x014400);
1131 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1132 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1134 mxf_write_local_tag(pb, 16, 0x3C0A);
1135 mxf_write_uuid(pb, MultipleDescriptor, 0);
1136 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1138 // write sample rate
1139 mxf_write_local_tag(pb, 8, 0x3001);
1140 avio_wb32(pb, mxf->time_base.den);
1141 avio_wb32(pb, mxf->time_base.num);
1143 // write essence container ul
1144 mxf_write_local_tag(pb, 16, 0x3004);
1145 if (mxf->essence_container_count > 1)
1146 ul = multiple_desc_ul;
1148 MXFStreamContext *sc = s->streams[0]->priv_data;
1149 ul = mxf_essence_container_uls[sc->index].container_ul;
1151 avio_write(pb, ul, 16);
1153 // write sub descriptor refs
1154 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1155 mxf_write_refs_count(pb, s->nb_streams);
1156 for (i = 0; i < s->nb_streams; i++)
1157 mxf_write_uuid(pb, SubDescriptor, i);
1160 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1162 MXFContext *mxf = s->priv_data;
1163 MXFStreamContext *sc = st->priv_data;
1164 AVIOContext *pb = s->pb;
1167 avio_write(pb, key, 16);
1168 klv_encode_ber4_length(pb, 0);
1169 pos = avio_tell(pb);
1171 mxf_write_local_tag(pb, 16, 0x3C0A);
1172 mxf_write_uuid(pb, SubDescriptor, st->index);
1174 mxf_write_local_tag(pb, 4, 0x3006);
1175 avio_wb32(pb, st->index+2);
1177 mxf_write_local_tag(pb, 8, 0x3001);
1178 if (s->oformat == &ff_mxf_d10_muxer) {
1179 avio_wb32(pb, mxf->time_base.den);
1180 avio_wb32(pb, mxf->time_base.num);
1182 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1183 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1184 avio_wb32(pb, st->codecpar->sample_rate);
1187 avio_wb32(pb, mxf->time_base.den);
1188 avio_wb32(pb, mxf->time_base.num);
1192 mxf_write_local_tag(pb, 16, 0x3004);
1193 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1198 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1199 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1200 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1201 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1202 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1203 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1205 static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
1208 case AVCOL_TRC_GAMMA28 :
1209 case AVCOL_TRC_GAMMA22 :
1210 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1212 case AVCOL_TRC_BT709 :
1213 case AVCOL_TRC_SMPTE170M :
1214 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1216 case AVCOL_TRC_SMPTE240M :
1217 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1219 case AVCOL_TRC_BT1361_ECG:
1220 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1222 case AVCOL_TRC_LINEAR :
1223 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1225 case AVCOL_TRC_SMPTE428 :
1226 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1233 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1235 MXFStreamContext *sc = st->priv_data;
1236 AVIOContext *pb = s->pb;
1237 int stored_width = (st->codecpar->width +15)/16*16;
1238 int stored_height = (st->codecpar->height+15)/16*16;
1241 UID transfer_ul = {0};
1242 int64_t pos = mxf_write_generic_desc(s, st, key);
1244 get_trc(transfer_ul, st->codecpar->color_trc);
1246 mxf_write_local_tag(pb, 4, 0x3203);
1247 avio_wb32(pb, stored_width);
1249 mxf_write_local_tag(pb, 4, 0x3202);
1250 avio_wb32(pb, stored_height>>sc->interlaced);
1252 if (s->oformat == &ff_mxf_d10_muxer) {
1254 mxf_write_local_tag(pb, 4, 0x3216);
1257 //Image Start Offset
1258 mxf_write_local_tag(pb, 4, 0x3213);
1262 mxf_write_local_tag(pb, 4, 0x3214);
1267 mxf_write_local_tag(pb, 4, 0x3205);
1268 avio_wb32(pb, st->codecpar->width);
1271 mxf_write_local_tag(pb, 4, 0x3204);
1272 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1275 mxf_write_local_tag(pb, 4, 0x3206);
1279 mxf_write_local_tag(pb, 4, 0x3207);
1282 mxf_write_local_tag(pb, 4, 0x3209);
1283 avio_wb32(pb, st->codecpar->width);
1285 if (st->codecpar->height == 608) // PAL + VBI
1286 display_height = 576;
1287 else if (st->codecpar->height == 512) // NTSC + VBI
1288 display_height = 486;
1290 display_height = st->codecpar->height;
1292 mxf_write_local_tag(pb, 4, 0x3208);
1293 avio_wb32(pb, display_height>>sc->interlaced);
1296 mxf_write_local_tag(pb, 4, 0x320A);
1300 mxf_write_local_tag(pb, 4, 0x320B);
1301 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1303 if (sc->interlaced) {
1305 mxf_write_local_tag(pb, 4, 0x3217);
1306 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1310 mxf_write_local_tag(pb, 4, 0x3301);
1311 avio_wb32(pb, sc->component_depth);
1313 // horizontal subsampling
1314 mxf_write_local_tag(pb, 4, 0x3302);
1315 avio_wb32(pb, sc->h_chroma_sub_sample);
1317 // vertical subsampling
1318 mxf_write_local_tag(pb, 4, 0x3308);
1319 avio_wb32(pb, sc->v_chroma_sub_sample);
1322 mxf_write_local_tag(pb, 1, 0x3303);
1323 avio_w8(pb, sc->color_siting);
1326 mxf_write_local_tag(pb, 2, 0x3307);
1329 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1331 white = (1<<sc->component_depth) - 1,
1332 color = (1<<sc->component_depth) - 1;
1333 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1334 black = 1 << (sc->component_depth - 4);
1335 white = 235 << (sc->component_depth - 8);
1336 color = (14 << (sc->component_depth - 4)) + 1;
1338 mxf_write_local_tag(pb, 4, 0x3304);
1339 avio_wb32(pb, black);
1340 mxf_write_local_tag(pb, 4, 0x3305);
1341 avio_wb32(pb, white);
1342 mxf_write_local_tag(pb, 4, 0x3306);
1343 avio_wb32(pb, color);
1346 if (sc->signal_standard) {
1347 mxf_write_local_tag(pb, 1, 0x3215);
1348 avio_w8(pb, sc->signal_standard);
1352 mxf_write_local_tag(pb, 1, 0x320C);
1353 avio_w8(pb, sc->interlaced);
1356 switch (st->codecpar->height) {
1357 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1358 case 608: f1 = 7; f2 = 320; break;
1359 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1360 case 512: f1 = 7; f2 = 270; break;
1361 case 720: f1 = 26; f2 = 0; break; // progressive
1362 case 1080: f1 = 21; f2 = 584; break;
1363 default: f1 = 0; f2 = 0; break;
1366 if (!sc->interlaced) {
1372 mxf_write_local_tag(pb, 16, 0x320D);
1378 mxf_write_local_tag(pb, 8, 0x320E);
1379 avio_wb32(pb, sc->aspect_ratio.num);
1380 avio_wb32(pb, sc->aspect_ratio.den);
1382 //Transfer characteristic
1383 if (transfer_ul[0]) {
1384 mxf_write_local_tag(pb, 16, 0x3210);
1385 avio_write(pb, transfer_ul, 16);
1388 mxf_write_local_tag(pb, 16, 0x3201);
1389 avio_write(pb, *sc->codec_ul, 16);
1391 if (sc->interlaced && sc->field_dominance) {
1392 mxf_write_local_tag(pb, 1, 0x3212);
1393 avio_w8(pb, sc->field_dominance);
1399 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1401 int64_t cur_pos = avio_tell(pb);
1402 int size = cur_pos - pos;
1403 avio_seek(pb, pos - 4, SEEK_SET);
1404 klv_encode_ber4_length(pb, size);
1405 avio_seek(pb, cur_pos, SEEK_SET);
1408 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1410 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1411 mxf_update_klv_size(s->pb, pos);
1414 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
1416 int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key);
1417 mxf_update_klv_size(s->pb, pos);
1420 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1422 AVIOContext *pb = s->pb;
1423 MXFStreamContext *sc = st->priv_data;
1424 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1425 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1427 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1429 mxf_write_local_tag(pb, 4, 0x8000);
1430 avio_wb32(pb, sc->video_bit_rate);
1432 // profile and level
1433 mxf_write_local_tag(pb, 1, 0x8007);
1434 if (!st->codecpar->profile)
1435 profile_and_level |= 0x80; // escape bit
1436 avio_w8(pb, profile_and_level);
1439 mxf_write_local_tag(pb, 1, 0x8003);
1440 avio_w8(pb, sc->low_delay);
1443 mxf_write_local_tag(pb, 1, 0x8004);
1444 avio_w8(pb, sc->seq_closed_gop);
1447 mxf_write_local_tag(pb, 2, 0x8006);
1448 avio_wb16(pb, sc->max_gop);
1451 mxf_write_local_tag(pb, 2, 0x8008);
1452 avio_wb16(pb, sc->b_picture_count);
1455 mxf_update_klv_size(pb, pos);
1458 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1460 AVIOContext *pb = s->pb;
1461 MXFContext *mxf = s->priv_data;
1462 int show_warnings = !mxf->footer_partition_offset;
1463 int64_t pos = mxf_write_generic_desc(s, st, key);
1465 if (s->oformat == &ff_mxf_opatom_muxer) {
1466 mxf_write_local_tag(pb, 8, 0x3002);
1467 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1471 mxf_write_local_tag(pb, 1, 0x3D02);
1474 // write audio sampling rate
1475 mxf_write_local_tag(pb, 8, 0x3D03);
1476 avio_wb32(pb, st->codecpar->sample_rate);
1479 if (s->oformat == &ff_mxf_d10_muxer) {
1480 mxf_write_local_tag(pb, 1, 0x3D04);
1484 mxf_write_local_tag(pb, 4, 0x3D07);
1485 if (mxf->channel_count == -1) {
1486 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1487 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");
1488 avio_wb32(pb, st->codecpar->channels);
1489 } else if (s->oformat == &ff_mxf_d10_muxer) {
1490 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1491 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1492 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1493 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");
1494 avio_wb32(pb, mxf->channel_count);
1496 avio_wb32(pb, st->codecpar->channels);
1499 mxf_write_local_tag(pb, 4, 0x3D01);
1500 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1505 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1507 AVIOContext *pb = s->pb;
1508 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1510 mxf_write_local_tag(pb, 2, 0x3D0A);
1511 avio_wb16(pb, st->codecpar->block_align);
1513 // avg bytes per sec
1514 mxf_write_local_tag(pb, 4, 0x3D09);
1515 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1520 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1522 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1523 mxf_update_klv_size(s->pb, pos);
1526 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1528 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1529 mxf_update_klv_size(s->pb, pos);
1532 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1534 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1535 mxf_update_klv_size(s->pb, pos);
1538 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 };
1540 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1542 MXFContext *mxf = s->priv_data;
1543 AVIOContext *pb = s->pb;
1544 int name_size = mxf_utf16_local_tag_length(name);
1545 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1547 if (!name_size || indirect_value_size == 13)
1550 mxf_write_metadata_key(pb, 0x013f00);
1551 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1553 // write instance UID
1554 mxf_write_local_tag(pb, 16, 0x3C0A);
1555 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1558 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1560 // write indirect value
1561 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1562 avio_write(pb, mxf_indirect_value_utf16le, 17);
1563 avio_put_str16le(pb, value);
1565 mxf->tagged_value_count++;
1569 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1571 MXFContext *mxf = s->priv_data;
1572 AVDictionaryEntry *t = NULL;
1575 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1576 if (mxf->tagged_value_count >= UINT16_MAX) {
1577 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1581 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1587 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1589 MXFContext *mxf = s->priv_data;
1590 AVIOContext *pb = s->pb;
1591 int i, track_count = s->nb_streams+1;
1592 int name_size = mxf_utf16_local_tag_length(package->name);
1593 int user_comment_count = 0;
1595 if (package->type == MaterialPackage) {
1596 if (mxf->store_user_comments)
1597 user_comment_count = mxf_write_user_comments(s, s->metadata);
1598 mxf_write_metadata_key(pb, 0x013600);
1599 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1600 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1602 mxf_write_metadata_key(pb, 0x013700);
1603 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1604 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1608 mxf_write_local_tag(pb, 16, 0x3C0A);
1609 mxf_write_uuid(pb, package->type, package->instance);
1610 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1611 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1613 // write package umid
1614 mxf_write_local_tag(pb, 32, 0x4401);
1615 mxf_write_umid(s, package->instance);
1616 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1620 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1622 // package creation date
1623 mxf_write_local_tag(pb, 8, 0x4405);
1624 avio_wb64(pb, mxf->timestamp);
1626 // package modified date
1627 mxf_write_local_tag(pb, 8, 0x4404);
1628 avio_wb64(pb, mxf->timestamp);
1631 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1632 mxf_write_refs_count(pb, track_count);
1633 // these are the uuids of the tracks the will be written in mxf_write_track
1634 for (i = 0; i < track_count; i++)
1635 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1637 // write user comment refs
1638 if (mxf->store_user_comments) {
1639 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1640 mxf_write_refs_count(pb, user_comment_count);
1641 for (i = 0; i < user_comment_count; i++)
1642 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1645 // write multiple descriptor reference
1646 if (package->type == SourcePackage && package->instance == 1) {
1647 mxf_write_local_tag(pb, 16, 0x4701);
1648 if (s->nb_streams > 1) {
1649 mxf_write_uuid(pb, MultipleDescriptor, 0);
1650 mxf_write_multi_descriptor(s);
1652 mxf_write_uuid(pb, SubDescriptor, 0);
1653 } else if (package->type == SourcePackage && package->instance == 2) {
1654 mxf_write_local_tag(pb, 16, 0x4701);
1655 mxf_write_uuid(pb, TapeDescriptor, 0);
1656 mxf_write_tape_descriptor(s);
1660 * for every 1 track in a package there is 1 sequence and 1 component.
1661 * all 3 of these elements share the same instance number for generating
1662 * there instance uuids. mxf->track_instance_count stores this value.
1663 * mxf->track_instance_count is incremented after a group of all 3 of
1664 * these elements are written.
1667 // write timecode track
1668 mxf_write_track(s, mxf->timecode_track, package);
1669 mxf_write_sequence(s, mxf->timecode_track, package);
1670 mxf_write_timecode_component(s, mxf->timecode_track, package);
1671 mxf->track_instance_count++;
1673 for (i = 0; i < s->nb_streams; i++) {
1674 AVStream *st = s->streams[i];
1675 mxf_write_track(s, st, package);
1676 mxf_write_sequence(s, st, package);
1677 mxf_write_structural_component(s, st, package);
1678 mxf->track_instance_count++;
1680 if (package->type == SourcePackage && package->instance == 1) {
1681 MXFStreamContext *sc = st->priv_data;
1682 mxf_essence_container_uls[sc->index].write_desc(s, st);
1687 static int mxf_write_essence_container_data(AVFormatContext *s)
1689 AVIOContext *pb = s->pb;
1691 mxf_write_metadata_key(pb, 0x012300);
1692 klv_encode_ber_length(pb, 72);
1694 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1695 mxf_write_uuid(pb, EssenceContainerData, 0);
1697 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1698 mxf_write_umid(s, 1);
1700 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1703 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1709 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1711 MXFContext *mxf = s->priv_data;
1712 AVDictionaryEntry *entry = NULL;
1713 AVStream *st = NULL;
1715 MXFPackage packages[3] = {{0}};
1716 int package_count = 2;
1717 packages[0].type = MaterialPackage;
1718 packages[1].type = SourcePackage;
1719 packages[1].instance = 1;
1720 packages[0].ref = &packages[1];
1723 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1724 packages[0].name = entry->value;
1726 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1727 packages[1].name = entry->value;
1729 /* check if any of the streams contain a file_package_name */
1730 for (i = 0; i < s->nb_streams; i++) {
1732 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1733 packages[1].name = entry->value;
1739 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1741 packages[2].name = entry->value;
1742 packages[2].type = SourcePackage;
1743 packages[2].instance = 2;
1744 packages[1].ref = &packages[2];
1748 mxf_write_preface(s);
1749 mxf_write_identification(s);
1750 mxf_write_content_storage(s, packages, package_count);
1751 mxf->track_instance_count = 0;
1752 for (i = 0; i < package_count; i++)
1753 mxf_write_package(s, &packages[i]);
1754 mxf_write_essence_container_data(s);
1758 static unsigned klv_fill_size(uint64_t size)
1760 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1761 if (pad < 20) // smallest fill item possible
1762 return pad + KAG_SIZE;
1764 return pad & (KAG_SIZE-1);
1767 static void mxf_write_index_table_segment(AVFormatContext *s)
1769 MXFContext *mxf = s->priv_data;
1770 AVIOContext *pb = s->pb;
1771 int i, j, temporal_reordering = 0;
1772 int key_index = mxf->last_key_index;
1773 int prev_non_b_picture = 0;
1774 int audio_frame_size = 0;
1777 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1779 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1782 avio_write(pb, index_table_segment_key, 16);
1784 klv_encode_ber4_length(pb, 0);
1785 pos = avio_tell(pb);
1788 mxf_write_local_tag(pb, 16, 0x3C0A);
1789 mxf_write_uuid(pb, IndexTableSegment, 0);
1792 mxf_write_local_tag(pb, 8, 0x3F0B);
1793 avio_wb32(pb, mxf->time_base.den);
1794 avio_wb32(pb, mxf->time_base.num);
1796 // index start position
1797 mxf_write_local_tag(pb, 8, 0x3F0C);
1798 avio_wb64(pb, mxf->last_indexed_edit_unit);
1801 mxf_write_local_tag(pb, 8, 0x3F0D);
1802 if (mxf->edit_unit_byte_count)
1803 avio_wb64(pb, 0); // index table covers whole container
1805 avio_wb64(pb, mxf->edit_units_count);
1807 // edit unit byte count
1808 mxf_write_local_tag(pb, 4, 0x3F05);
1809 avio_wb32(pb, mxf->edit_unit_byte_count);
1812 mxf_write_local_tag(pb, 4, 0x3F06);
1816 mxf_write_local_tag(pb, 4, 0x3F07);
1819 // real slice count - 1
1820 mxf_write_local_tag(pb, 1, 0x3F08);
1821 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1823 // delta entry array
1824 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1825 avio_wb32(pb, s->nb_streams+1); // num of entries
1826 avio_wb32(pb, 6); // size of one entry
1827 // write system item delta entry
1829 avio_w8(pb, 0); // slice entry
1830 avio_wb32(pb, 0); // element delta
1831 // write each stream delta entry
1832 for (i = 0; i < s->nb_streams; i++) {
1833 AVStream *st = s->streams[i];
1834 MXFStreamContext *sc = st->priv_data;
1835 avio_w8(pb, sc->temporal_reordering);
1836 if (sc->temporal_reordering)
1837 temporal_reordering = 1;
1838 if (mxf->edit_unit_byte_count) {
1839 avio_w8(pb, 0); // slice number
1840 avio_wb32(pb, sc->slice_offset);
1841 } else if (i == 0) { // video track
1842 avio_w8(pb, 0); // slice number
1843 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1844 } else { // audio or data track
1845 if (!audio_frame_size) {
1846 audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1847 audio_frame_size += klv_fill_size(audio_frame_size);
1850 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1854 if (!mxf->edit_unit_byte_count) {
1855 MXFStreamContext *sc = s->streams[0]->priv_data;
1856 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A);
1857 avio_wb32(pb, mxf->edit_units_count); // num of entries
1858 avio_wb32(pb, 15); // size of one entry
1860 for (i = 0; i < mxf->edit_units_count; i++) {
1861 int temporal_offset = 0;
1863 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1864 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1865 mxf->last_key_index = key_index;
1869 if (temporal_reordering) {
1870 int pic_num_in_gop = i - key_index;
1871 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1872 for (j = key_index; j < mxf->edit_units_count; j++) {
1873 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1876 if (j == mxf->edit_units_count)
1877 av_log(s, AV_LOG_WARNING, "missing frames\n");
1878 temporal_offset = j - key_index - pic_num_in_gop;
1881 avio_w8(pb, temporal_offset);
1883 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1884 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1885 avio_w8(pb, mxf->last_key_index - i);
1887 avio_w8(pb, key_index - i); // key frame offset
1888 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1889 mxf->last_key_index = key_index;
1890 prev_non_b_picture = i;
1893 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1894 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1895 mxf->index_entries[i].flags |= 0x80; // random access
1896 avio_w8(pb, mxf->index_entries[i].flags);
1898 avio_wb64(pb, mxf->index_entries[i].offset);
1899 if (s->nb_streams > 1)
1900 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1905 mxf->last_key_index = key_index - mxf->edit_units_count;
1906 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1907 mxf->edit_units_count = 0;
1910 mxf_update_klv_size(pb, pos);
1913 static void mxf_write_klv_fill(AVFormatContext *s)
1915 unsigned pad = klv_fill_size(avio_tell(s->pb));
1917 avio_write(s->pb, klv_fill_key, 16);
1919 klv_encode_ber4_length(s->pb, pad);
1920 ffio_fill(s->pb, 0, pad);
1921 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1925 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1927 const uint8_t *key, int write_metadata)
1929 MXFContext *mxf = s->priv_data;
1930 AVIOContext *pb = s->pb;
1931 int64_t header_byte_count_offset;
1932 unsigned index_byte_count = 0;
1933 uint64_t partition_offset = avio_tell(pb);
1936 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1937 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1938 12+mxf->edit_units_count*15;
1939 else if (mxf->edit_unit_byte_count && indexsid)
1940 index_byte_count = 80;
1942 if (index_byte_count) {
1943 // add encoded ber length
1944 index_byte_count += 16 + klv_ber_length(index_byte_count);
1945 index_byte_count += klv_fill_size(index_byte_count);
1948 if (key && !memcmp(key, body_partition_key, 16)) {
1949 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1950 sizeof(*mxf->body_partition_offset))) < 0) {
1951 mxf->body_partitions_count = 0;
1954 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1959 avio_write(pb, key, 16);
1961 avio_write(pb, body_partition_key, 16);
1963 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1965 // write partition value
1966 avio_wb16(pb, 1); // majorVersion
1967 avio_wb16(pb, 3); // minorVersion
1968 avio_wb32(pb, KAG_SIZE); // KAGSize
1970 avio_wb64(pb, partition_offset); // ThisPartition
1972 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1973 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1974 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1975 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1979 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1982 header_byte_count_offset = avio_tell(pb);
1983 avio_wb64(pb, 0); // headerByteCount, update later
1986 avio_wb64(pb, index_byte_count); // indexByteCount
1987 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1990 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1991 avio_wb64(pb, mxf->body_offset);
1995 avio_wb32(pb, bodysid); // bodySID
1997 // operational pattern
1998 if (s->oformat == &ff_mxf_opatom_muxer)
1999 avio_write(pb, opatom_ul, 16);
2001 avio_write(pb, op1a_ul, 16);
2003 // essence container
2004 mxf_write_essence_container_refs(s);
2006 if (write_metadata) {
2007 // mark the start of the headermetadata and calculate metadata size
2009 unsigned header_byte_count;
2011 mxf_write_klv_fill(s);
2012 start = avio_tell(s->pb);
2013 mxf_write_primer_pack(s);
2014 mxf_write_klv_fill(s);
2015 mxf_write_header_metadata_sets(s);
2016 pos = avio_tell(s->pb);
2017 header_byte_count = pos - start + klv_fill_size(pos);
2019 // update header_byte_count
2020 avio_seek(pb, header_byte_count_offset, SEEK_SET);
2021 avio_wb64(pb, header_byte_count);
2022 avio_seek(pb, pos, SEEK_SET);
2031 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
2034 MXFContext *mxf = s->priv_data;
2035 MXFStreamContext *sc = st->priv_data;
2037 uint8_t* header_cid;
2040 if (mxf->header_written)
2046 header_cid = pkt->data + 0x28;
2047 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
2049 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
2050 frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
2055 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2056 return AVERROR_INVALIDDATA;
2060 sc->index = INDEX_DNXHD_1080p_10bit_HIGH;
2061 sc->component_depth = 10;
2064 sc->index = INDEX_DNXHD_1080p_8bit_MEDIUM;
2067 sc->index = INDEX_DNXHD_1080p_8bit_HIGH;
2070 sc->index = INDEX_DNXHD_1080i_10bit_HIGH;
2071 sc->component_depth = 10;
2074 sc->index = INDEX_DNXHD_1080i_8bit_MEDIUM;
2077 sc->index = INDEX_DNXHD_1080i_8bit_HIGH;
2080 sc->index = INDEX_DNXHD_720p_10bit;
2081 sc->component_depth = 10;
2084 sc->index = INDEX_DNXHD_720p_8bit_HIGH;
2087 sc->index = INDEX_DNXHD_720p_8bit_MEDIUM;
2090 sc->index = INDEX_DNXHD_720p_8bit_LOW;
2093 sc->index = INDEX_DNXHR_LB;
2096 sc->index = INDEX_DNXHR_SQ;
2099 sc->index = INDEX_DNXHR_HQ;
2102 sc->index = INDEX_DNXHR_HQX;
2103 sc->component_depth = st->codecpar->bits_per_raw_sample;
2106 sc->index = INDEX_DNXHR_444;
2107 sc->component_depth = st->codecpar->bits_per_raw_sample;
2113 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2114 sc->aspect_ratio = (AVRational){ 16, 9 };
2115 sc->frame_size = pkt->size;
2120 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2122 MXFContext *mxf = s->priv_data;
2123 MXFStreamContext *sc = st->priv_data;
2124 uint8_t *vs_pack, *vsc_pack;
2125 int ul_index, frame_size, stype, pal;
2126 const AVDVProfile *profile;
2128 if (mxf->header_written)
2131 // Check for minimal frame size
2132 if (pkt->size < 120000)
2135 profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
2137 vs_pack = pkt->data + 80*5 + 48;
2138 vsc_pack = pkt->data + 80*5 + 53;
2139 stype = vs_pack[3] & 0x1f;
2140 pal = (vs_pack[3] >> 5) & 0x1;
2142 if ((vsc_pack[2] & 0x07) == 0x02) {
2143 sc->aspect_ratio = (AVRational){ 16, 9 };
2145 sc->aspect_ratio = (AVRational){ 4, 3 };
2148 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2149 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2150 // and set field dominance accordingly
2151 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2154 case 0x18: // DV100 720p
2155 ul_index = INDEX_DV100_720_50 + pal;
2156 frame_size = pal ? 288000 : 240000;
2157 if (sc->interlaced) {
2158 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2162 case 0x14: // DV100 1080i
2163 ul_index = INDEX_DV100_1080_50 + pal;
2164 frame_size = pal ? 576000 : 480000;
2167 ul_index = INDEX_DV50_525_60 + pal;
2168 frame_size = pal ? 288000 : 240000;
2171 if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
2172 ul_index = INDEX_DV25_525_60_IEC + pal;
2173 frame_size = pal ? 144000 : 120000;
2176 ul_index = INDEX_DV25_525_60 + pal;
2177 frame_size = pal ? 144000 : 120000;
2180 sc->index = ul_index;
2181 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2182 sc->frame_size = pkt->size;
2187 static const struct {
2192 int long_gop; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2193 } mxf_h264_codec_uls[] = {
2194 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline, Unconstrained Coding
2195 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2196 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2197 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2198 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 1 }, // AVC High 10
2199 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 1 }, // AVC High 422
2200 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 1 }, // AVC High 444
2201 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 0 }, // AVC High 10 Intra
2202 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1, 0 }, // AVC Intra 50 1080i60
2203 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1, 0 }, // AVC Intra 50 1080i50
2204 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0, 0 }, // AVC Intra 50 1080p30
2205 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0, 0 }, // AVC Intra 50 1080p25
2206 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0, 0 }, // AVC Intra 50 720p60
2207 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0, 0 }, // AVC Intra 50 720p50
2208 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 0 }, // AVC High 422 Intra
2209 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1, 0 }, // AVC Intra 100 1080i60
2210 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1, 0 }, // AVC Intra 100 1080i50
2211 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0, 0 }, // AVC Intra 100 1080p30
2212 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0, 0 }, // AVC Intra 100 1080p25
2213 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0, 0 }, // AVC Intra 100 720p60
2214 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0, 0 }, // AVC Intra 100 720p50
2215 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 0 }, // AVC High 444 Intra
2216 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2219 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2220 AVPacket *pkt, MXFIndexEntry *e)
2222 MXFContext *mxf = s->priv_data;
2223 MXFStreamContext *sc = st->priv_data;
2224 AVCodecParameters *par = st->codecpar;
2225 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
2226 const uint8_t *buf = pkt->data;
2227 const uint8_t *buf_end = pkt->data + pkt->size;
2228 uint32_t state = -1;
2229 int long_gop = 0; // assume intra when there is no SPS header
2230 int extra_size = 512; // support AVC Intra files without SPS/PPS header
2234 if (pkt->size > extra_size)
2235 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
2238 buf = avpriv_find_start_code(buf, buf_end, &state);
2242 switch (state & 0x1f) {
2244 par->profile = buf[1];
2245 long_gop = buf[2] & 0x10 ? 0 : 1; // constraint_set3_flag signals intra
2249 if (e->flags & 0x40) { // sequence header present
2250 e->flags |= 0x80; // random access
2260 if (mxf->header_written)
2263 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2264 sc->interlaced = par->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2267 frame_size = pkt->size + extra_size;
2268 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
2269 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2270 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2271 sc->component_depth = 10; // AVC Intra is always 10 Bit
2273 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2275 } else if ((mxf_h264_codec_uls[i].profile == par->profile) &&
2276 ((mxf_h264_codec_uls[i].long_gop < 0) ||
2277 (mxf_h264_codec_uls[i].long_gop == long_gop))) {
2278 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2284 av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2291 static const UID mxf_mpeg2_codec_uls[] = {
2292 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2294 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2295 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2296 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2297 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2298 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2299 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2300 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2301 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2304 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2308 if (par->profile == 4) { // Main
2309 if (par->level == 8) // Main
2310 return &mxf_mpeg2_codec_uls[0+long_gop];
2311 else if (par->level == 4) // High
2312 return &mxf_mpeg2_codec_uls[4+long_gop];
2313 else if (par->level == 6) // High 14
2314 return &mxf_mpeg2_codec_uls[8+long_gop];
2315 } else if (par->profile == 0) { // 422
2316 if (par->level == 5) // Main
2317 return &mxf_mpeg2_codec_uls[2+long_gop];
2318 else if (par->level == 2) // High
2319 return &mxf_mpeg2_codec_uls[6+long_gop];
2324 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2325 AVPacket *pkt, MXFIndexEntry *e)
2327 MXFStreamContext *sc = st->priv_data;
2331 for(i = 0; i < pkt->size - 4; i++) {
2332 c = (c<<8) + pkt->data[i];
2334 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2335 st->codecpar->profile = pkt->data[i+1] & 0x07;
2336 st->codecpar->level = pkt->data[i+2] >> 4;
2337 sc->low_delay = pkt->data[i+6] >> 7;
2338 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2339 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2341 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2344 } else if (c == 0x1b8) { // gop
2345 if (pkt->data[i+4]>>6 & 0x01) { // closed
2346 if (sc->seq_closed_gop == -1)
2347 sc->seq_closed_gop = 1;
2349 if (e->flags & 0x40) // sequence header present
2350 e->flags |= 0x80; // random access
2352 sc->seq_closed_gop = 0;
2355 } else if (c == 0x1b3) { // seq
2357 switch ((pkt->data[i+4]>>4) & 0xf) {
2358 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2359 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2360 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2362 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2363 st->codecpar->width, st->codecpar->height, 1024*1024);
2365 } else if (c == 0x100) { // pic
2366 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2367 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2368 if (pict_type == 2) { // P-frame
2370 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2371 } else if (pict_type == 3) { // B-frame
2373 e->flags |= 0x13; // only backward prediction
2376 sc->temporal_reordering = -1;
2377 } else if (!pict_type) {
2378 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2383 if (s->oformat != &ff_mxf_d10_muxer)
2384 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2385 return !!sc->codec_ul;
2388 static uint64_t mxf_parse_timestamp(time_t timestamp)
2391 struct tm *time = gmtime_r(×tamp, &tmbuf);
2394 return (uint64_t)(time->tm_year+1900) << 48 |
2395 (uint64_t)(time->tm_mon+1) << 40 |
2396 (uint64_t) time->tm_mday << 32 |
2397 time->tm_hour << 24 |
2398 time->tm_min << 16 |
2402 static void mxf_gen_umid(AVFormatContext *s)
2404 MXFContext *mxf = s->priv_data;
2405 uint32_t seed = av_get_random_seed();
2406 uint64_t umid = seed + 0x5294713400000000LL;
2408 AV_WB64(mxf->umid , umid);
2409 AV_WB64(mxf->umid+8, umid>>8);
2411 mxf->instance_number = seed & 0xFFFFFF;
2414 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2416 MXFContext *mxf = s->priv_data;
2417 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2419 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2422 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2424 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2427 static int mxf_write_header(AVFormatContext *s)
2429 MXFContext *mxf = s->priv_data;
2431 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2432 const MXFSamplesPerFrame *spf = NULL;
2433 int64_t timestamp = 0;
2438 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2439 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2443 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2444 mxf->store_user_comments = 0;
2446 for (i = 0; i < s->nb_streams; i++) {
2447 AVStream *st = s->streams[i];
2448 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2450 return AVERROR(ENOMEM);
2453 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2454 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2458 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2459 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2460 // TODO: should be avg_frame_rate
2461 AVRational rate, tbc = st->time_base;
2462 // Default component depth to 8
2463 sc->component_depth = 8;
2464 sc->h_chroma_sub_sample = 2;
2465 sc->v_chroma_sub_sample = 2;
2466 sc->color_siting = 0xFF;
2469 sc->component_depth = pix_desc->comp[0].depth;
2470 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2471 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2473 switch (ff_choose_chroma_location(s, st)) {
2474 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2475 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2476 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2477 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2480 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2481 spf = ff_mxf_get_samples_per_frame(s, tbc);
2483 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2485 return AVERROR(EINVAL);
2487 mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc);
2488 mxf->time_base = spf->time_base;
2489 rate = av_inv_q(mxf->time_base);
2490 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2491 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2494 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2495 sc->seq_closed_gop = -1; // unknown yet
2498 sc->video_bit_rate = st->codecpar->bit_rate;
2500 if (s->oformat == &ff_mxf_d10_muxer ||
2501 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2502 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2505 if (s->oformat == &ff_mxf_d10_muxer) {
2506 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2507 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2508 return AVERROR(EINVAL);
2510 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2511 sc->index = INDEX_D10_625_50_50_VIDEO;
2512 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2513 sc->index = INDEX_D10_525_60_50_VIDEO;
2514 } else if (sc->video_bit_rate == 40000000) {
2515 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2516 else sc->index = INDEX_D10_525_60_40_VIDEO;
2517 } else if (sc->video_bit_rate == 30000000) {
2518 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2519 else sc->index = INDEX_D10_525_60_30_VIDEO;
2521 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2525 sc->signal_standard = 1;
2526 sc->color_siting = 0;
2527 sc->frame_size = (int64_t)sc->video_bit_rate *
2528 mxf->time_base.num / (8*mxf->time_base.den);
2530 if (mxf->signal_standard >= 0)
2531 sc->signal_standard = mxf->signal_standard;
2532 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2533 if (st->codecpar->sample_rate != 48000) {
2534 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2537 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2538 if (s->oformat == &ff_mxf_d10_muxer) {
2539 if (st->index != 1) {
2540 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2543 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2544 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2545 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2547 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2548 sc->frame_size = 4 + 8 * spf[0].samples_per_frame[0] * 4;
2549 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2550 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2552 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2553 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2554 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2555 return AVERROR_PATCHWELCOME;
2557 if (st->codecpar->channels != 1) {
2558 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2559 return AVERROR(EINVAL);
2562 spf = ff_mxf_get_samples_per_frame(s, tbc);
2564 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2565 return AVERROR(EINVAL);
2568 mxf->time_base = st->time_base;
2569 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2572 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2573 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2574 sc->index = INDEX_WAV;
2576 mxf->slice_count = 1;
2577 sc->frame_size = (st->codecpar->channels * spf[0].samples_per_frame[0] *
2578 av_get_bits_per_sample(st->codecpar->codec_id)) / 8;
2580 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
2581 AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
2582 if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
2585 av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
2588 if (st->index != s->nb_streams - 1) {
2589 av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
2595 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2596 if (sc->index == -1) {
2597 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2598 "codec not currently supported in container\n", i);
2603 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2605 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2606 sc->track_essence_element_key[15] = present[sc->index];
2607 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2609 if (!present[sc->index])
2610 mxf->essence_container_count++;
2611 present[sc->index]++;
2614 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2615 mxf->essence_container_count = 1;
2618 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2621 for (i = 0; i < s->nb_streams; i++) {
2622 MXFStreamContext *sc = s->streams[i]->priv_data;
2623 // update element count
2624 sc->track_essence_element_key[13] = present[sc->index];
2625 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2626 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2628 sc->order = AV_RB32(sc->track_essence_element_key+12);
2631 if (ff_parse_creation_time_metadata(s, ×tamp, 1) > 0)
2632 mxf->timestamp = mxf_parse_timestamp(timestamp);
2635 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2636 if (!mxf->timecode_track)
2637 return AVERROR(ENOMEM);
2638 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2639 if (!mxf->timecode_track->priv_data)
2640 return AVERROR(ENOMEM);
2641 mxf->timecode_track->index = -1;
2644 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2646 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2652 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2653 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 };
2655 static void mxf_write_system_item(AVFormatContext *s)
2657 MXFContext *mxf = s->priv_data;
2658 AVIOContext *pb = s->pb;
2661 int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
2663 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2665 // write system metadata pack
2666 avio_write(pb, system_metadata_pack_key, 16);
2667 klv_encode_ber4_length(pb, 57);
2669 for (i = 0; i < s->nb_streams; i++) {
2670 if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2671 system_item_bitmap |= 0x4;
2672 else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2673 system_item_bitmap |= 0x2;
2675 avio_w8(pb, system_item_bitmap);
2676 avio_w8(pb, mxf->content_package_rate); // content package rate
2677 avio_w8(pb, 0x00); // content package type
2678 avio_wb16(pb, 0x00); // channel handle
2679 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2680 if (mxf->essence_container_count > 1)
2681 avio_write(pb, multiple_desc_ul, 16);
2683 MXFStreamContext *sc = s->streams[0]->priv_data;
2684 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2688 avio_wb64(pb, 0); // creation date/time stamp
2690 avio_w8(pb, 0x81); // SMPTE 12M time code
2691 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2692 avio_wb32(pb, time_code);
2693 avio_wb32(pb, 0); // binary group data
2696 // write system metadata package set
2697 avio_write(pb, system_metadata_package_set_key, 16);
2698 klv_encode_ber4_length(pb, 35);
2699 avio_w8(pb, 0x83); // UMID
2700 avio_wb16(pb, 0x20);
2701 mxf_write_umid(s, 1);
2704 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2706 MXFContext *mxf = s->priv_data;
2707 AVIOContext *pb = s->pb;
2708 int frame_size = pkt->size / st->codecpar->block_align;
2709 uint8_t *samples = pkt->data;
2710 uint8_t *end = pkt->data + pkt->size;
2713 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2715 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2716 avio_wl16(pb, frame_size);
2717 avio_w8(pb, (1<<st->codecpar->channels)-1);
2719 while (samples < end) {
2720 for (i = 0; i < st->codecpar->channels; i++) {
2722 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2723 sample = AV_RL24(samples)<< 4;
2726 sample = AV_RL16(samples)<<12;
2729 avio_wl32(pb, sample | i);
2736 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2738 MXFContext *mxf = s->priv_data;
2739 AVIOContext *pb = s->pb;
2740 AVStream *st = s->streams[0];
2741 MXFStreamContext *sc = st->priv_data;
2742 const uint8_t *key = NULL;
2746 if (!mxf->header_written)
2747 key = body_partition_key;
2749 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2751 mxf_write_klv_fill(s);
2752 avio_write(pb, sc->track_essence_element_key, 16);
2753 klv_encode_ber9_length(pb, mxf->body_offset);
2757 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2759 MXFContext *mxf = s->priv_data;
2760 AVIOContext *pb = s->pb;
2764 if (!mxf->header_written) {
2765 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2767 mxf_write_klv_fill(s);
2769 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2771 mxf->header_written = 1;
2774 if (!mxf->edit_unit_byte_count) {
2775 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2776 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2777 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2779 mxf->edit_units_count++;
2780 avio_write(pb, pkt->data, pkt->size);
2781 mxf->body_offset += pkt->size;
2787 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
2789 MXFContext *mxf = s->priv_data;
2792 if (s->oformat == &ff_mxf_opatom_muxer) {
2793 MXFStreamContext *sc = s->streams[0]->priv_data;
2794 mxf->edit_unit_byte_count = sc->frame_size;
2798 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2799 for (i = 0; i < s->nb_streams; i++) {
2800 AVStream *st = s->streams[i];
2801 MXFStreamContext *sc = st->priv_data;
2802 sc->slice_offset = mxf->edit_unit_byte_count;
2803 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2804 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2808 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2810 MXFContext *mxf = s->priv_data;
2811 AVIOContext *pb = s->pb;
2812 AVStream *st = s->streams[pkt->stream_index];
2813 MXFStreamContext *sc = st->priv_data;
2814 MXFIndexEntry ie = {0};
2817 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2818 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2819 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2820 mxf->edit_units_count = 0;
2821 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2826 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2827 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2828 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2831 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2832 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2833 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2836 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2837 if (!mxf_parse_dv_frame(s, st, pkt)) {
2838 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2841 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2842 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2843 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2848 if (mxf->cbr_index) {
2849 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2850 av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2851 st->index, pkt->size, sc->frame_size);
2854 if (!mxf->header_written)
2855 mxf_compute_edit_unit_byte_count(s);
2858 if (s->oformat == &ff_mxf_opatom_muxer)
2859 return mxf_write_opatom_packet(s, pkt, &ie);
2861 if (!mxf->header_written) {
2862 if (mxf->edit_unit_byte_count) {
2863 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2865 mxf_write_klv_fill(s);
2866 mxf_write_index_table_segment(s);
2868 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2871 mxf->header_written = 1;
2874 if (st->index == 0) {
2875 if (!mxf->edit_unit_byte_count &&
2876 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2877 !(ie.flags & 0x33)) { // I-frame, GOP start
2878 mxf_write_klv_fill(s);
2879 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2881 mxf_write_klv_fill(s);
2882 mxf_write_index_table_segment(s);
2885 mxf_write_klv_fill(s);
2886 mxf_write_system_item(s);
2888 if (!mxf->edit_unit_byte_count) {
2889 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2890 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2891 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2892 mxf->body_offset += KAG_SIZE; // size of system element
2894 mxf->edit_units_count++;
2895 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2896 if (!mxf->edit_units_count) {
2897 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2898 return AVERROR_PATCHWELCOME;
2900 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2901 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2904 mxf_write_klv_fill(s);
2905 avio_write(pb, sc->track_essence_element_key, 16); // write key
2906 if (s->oformat == &ff_mxf_d10_muxer &&
2907 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2908 mxf_write_d10_audio_packet(s, st, pkt);
2910 klv_encode_ber4_length(pb, pkt->size); // write length
2911 avio_write(pb, pkt->data, pkt->size);
2912 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2920 static void mxf_write_random_index_pack(AVFormatContext *s)
2922 MXFContext *mxf = s->priv_data;
2923 AVIOContext *pb = s->pb;
2924 uint64_t pos = avio_tell(pb);
2927 avio_write(pb, random_index_pack_key, 16);
2928 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2930 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2931 avio_wb32(pb, 1); // BodySID of header partition
2934 avio_wb64(pb, 0); // offset of header partition
2936 for (i = 0; i < mxf->body_partitions_count; i++) {
2937 avio_wb32(pb, 1); // BodySID
2938 avio_wb64(pb, mxf->body_partition_offset[i]);
2941 avio_wb32(pb, 0); // BodySID of footer partition
2942 avio_wb64(pb, mxf->footer_partition_offset);
2944 avio_wb32(pb, avio_tell(pb) - pos + 4);
2947 static int mxf_write_footer(AVFormatContext *s)
2949 MXFContext *mxf = s->priv_data;
2950 AVIOContext *pb = s->pb;
2953 if (!mxf->header_written ||
2954 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2955 /* reason could be invalid options/not supported codec/out of memory */
2956 err = AVERROR_UNKNOWN;
2960 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2962 mxf_write_klv_fill(s);
2963 mxf->footer_partition_offset = avio_tell(pb);
2964 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2965 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2968 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2970 mxf_write_klv_fill(s);
2971 mxf_write_index_table_segment(s);
2974 mxf_write_klv_fill(s);
2975 mxf_write_random_index_pack(s);
2977 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2978 if (s->oformat == &ff_mxf_opatom_muxer) {
2979 /* rewrite body partition to update lengths */
2980 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2981 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2985 avio_seek(pb, 0, SEEK_SET);
2986 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2987 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2989 mxf_write_klv_fill(s);
2990 mxf_write_index_table_segment(s);
2992 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2995 // update footer partition offset
2996 for (i = 0; i < mxf->body_partitions_count; i++) {
2997 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
2998 avio_wb64(pb, mxf->footer_partition_offset);
3003 ff_audio_interleave_close(s);
3005 av_freep(&mxf->index_entries);
3006 av_freep(&mxf->body_partition_offset);
3007 av_freep(&mxf->timecode_track->priv_data);
3008 av_freep(&mxf->timecode_track);
3012 return err < 0 ? err : 0;
3015 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3017 int i, stream_count = 0;
3019 for (i = 0; i < s->nb_streams; i++)
3020 stream_count += !!s->streams[i]->last_in_packet_buffer;
3022 if (stream_count && (s->nb_streams == stream_count || flush)) {
3023 AVPacketList *pktl = s->internal->packet_buffer;
3024 if (s->nb_streams != stream_count) {
3025 AVPacketList *last = NULL;
3026 // find last packet in edit unit
3028 if (!stream_count || pktl->pkt.stream_index == 0)
3030 // update last packet in packet buffer
3031 if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
3032 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
3037 // purge packet queue
3039 AVPacketList *next = pktl->next;
3040 av_packet_unref(&pktl->pkt);
3047 s->internal->packet_buffer = NULL;
3048 s->internal->packet_buffer_end= NULL;
3051 pktl = s->internal->packet_buffer;
3055 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3056 s->internal->packet_buffer = pktl->next;
3057 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
3058 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
3059 if(!s->internal->packet_buffer)
3060 s->internal->packet_buffer_end= NULL;
3065 av_init_packet(out);
3070 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
3072 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3073 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3075 return next->dts > pkt->dts ||
3076 (next->dts == pkt->dts && sc->order < sc2->order);
3079 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3081 return ff_audio_rechunk_interleave(s, out, pkt, flush,
3082 mxf_interleave_get_packet, mxf_compare_timestamps);
3085 #define MXF_COMMON_OPTIONS \
3086 { "signal_standard", "Force/set Sigal Standard",\
3087 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3088 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3089 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3090 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3091 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3092 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3093 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3094 { "smpte274m", "SMPTE 274M (1125 line)",\
3095 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3096 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3097 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3098 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3099 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3100 { "smpte428", "SMPTE 428-1 DCDM",\
3101 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3105 static const AVOption mxf_options[] = {
3107 { "store_user_comments", "",
3108 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3112 static const AVClass mxf_muxer_class = {
3113 .class_name = "MXF muxer",
3114 .item_name = av_default_item_name,
3115 .option = mxf_options,
3116 .version = LIBAVUTIL_VERSION_INT,
3119 static const AVOption d10_options[] = {
3120 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3121 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3123 { "store_user_comments", "",
3124 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3128 static const AVClass mxf_d10_muxer_class = {
3129 .class_name = "MXF-D10 muxer",
3130 .item_name = av_default_item_name,
3131 .option = d10_options,
3132 .version = LIBAVUTIL_VERSION_INT,
3135 static const AVOption opatom_options[] = {
3136 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3137 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3142 static const AVClass mxf_opatom_muxer_class = {
3143 .class_name = "MXF-OPAtom muxer",
3144 .item_name = av_default_item_name,
3145 .option = opatom_options,
3146 .version = LIBAVUTIL_VERSION_INT,
3149 AVOutputFormat ff_mxf_muxer = {
3151 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3152 .mime_type = "application/mxf",
3153 .extensions = "mxf",
3154 .priv_data_size = sizeof(MXFContext),
3155 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3156 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3157 .write_header = mxf_write_header,
3158 .write_packet = mxf_write_packet,
3159 .write_trailer = mxf_write_footer,
3160 .flags = AVFMT_NOTIMESTAMPS,
3161 .interleave_packet = mxf_interleave,
3162 .priv_class = &mxf_muxer_class,
3165 AVOutputFormat ff_mxf_d10_muxer = {
3167 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3168 .mime_type = "application/mxf",
3169 .priv_data_size = sizeof(MXFContext),
3170 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3171 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3172 .write_header = mxf_write_header,
3173 .write_packet = mxf_write_packet,
3174 .write_trailer = mxf_write_footer,
3175 .flags = AVFMT_NOTIMESTAMPS,
3176 .interleave_packet = mxf_interleave,
3177 .priv_class = &mxf_d10_muxer_class,
3180 AVOutputFormat ff_mxf_opatom_muxer = {
3181 .name = "mxf_opatom",
3182 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3183 .mime_type = "application/mxf",
3184 .extensions = "mxf",
3185 .priv_data_size = sizeof(MXFContext),
3186 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3187 .video_codec = AV_CODEC_ID_DNXHD,
3188 .write_header = mxf_write_header,
3189 .write_packet = mxf_write_packet,
3190 .write_trailer = mxf_write_footer,
3191 .flags = AVFMT_NOTIMESTAMPS,
3192 .interleave_packet = mxf_interleave,
3193 .priv_class = &mxf_opatom_muxer_class,