1 /*
2 * MXF muxer
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>
5 *
6 * This file is part of FFmpeg.
7 *
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.
12 *
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.
17 *
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
21 */
22
23 /*
24 * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25 * fixes sponsored by NOA GmbH
26 */
27
28 /*
29 * References
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
37 */
38
39 #include <inttypes.h>
40 #include <math.h>
41 #include <time.h>
42
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_ps.h"
53 #include "libavcodec/golomb.h"
54 #include "libavcodec/internal.h"
55 #include "avformat.h"
56 #include "avio_internal.h"
57 #include "internal.h"
58 #include "avc.h"
59 #include "mxf.h"
60 #include "config.h"
61
62 extern AVOutputFormat ff_mxf_d10_muxer;
63 extern AVOutputFormat ff_mxf_opatom_muxer;
64
65 #define EDIT_UNITS_PER_BODY 250
66 #define KAG_SIZE 512
67
68 typedef struct MXFLocalTagPair {
69 int local_tag;
70 UID uid;
71 } MXFLocalTagPair;
72
73 typedef struct MXFIndexEntry {
74 uint64_t offset;
75 unsigned slice_offset; ///< offset of audio slice
76 uint16_t temporal_ref;
77 uint8_t flags;
78 } MXFIndexEntry;
79
80 typedef struct MXFStreamContext {
81 int64_t pkt_cnt; ///< pkt counter for muxed packets
82 UID track_essence_element_key;
83 int index; ///< index in mxf_essence_container_uls table
84 const UID *codec_ul;
85 const UID *container_ul;
86 int order; ///< interleaving order if dts are equal
87 int interlaced; ///< whether picture is interlaced
88 int field_dominance; ///< tff=1, bff=2
89 int component_depth;
90 int color_siting;
91 int signal_standard;
92 int h_chroma_sub_sample;
93 int v_chroma_sub_sample;
94 int temporal_reordering;
95 AVRational aspect_ratio; ///< display aspect ratio
96 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
97 int video_bit_rate;
98 int slice_offset;
99 int frame_size; ///< frame size in bytes
100 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
101 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
102 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
103 int low_delay; ///< low delay, used in mpeg-2 descriptor
104 int avc_intra;
105 } MXFStreamContext;
106
107 typedef struct MXFContainerEssenceEntry {
108 UID container_ul;
109 UID element_ul;
110 UID codec_ul;
111 void (*write_desc)(AVFormatContext *, AVStream *);
112 } MXFContainerEssenceEntry;
113
114 typedef struct MXFPackage {
115 char *name;
116 enum MXFMetadataSetType type;
117 int instance;
118 struct MXFPackage *ref;
119 } MXFPackage;
120
121 enum ULIndex {
122 INDEX_MPEG2 = 0,
123 INDEX_AES3,
124 INDEX_WAV,
125 INDEX_D10_VIDEO,
126 INDEX_D10_AUDIO,
127 INDEX_DV,
128 INDEX_DNXHD,
129 INDEX_JPEG2000,
130 INDEX_H264,
131 INDEX_S436M,
132 INDEX_PRORES,
133 };
134
135 static const struct {
136 enum AVCodecID id;
137 enum ULIndex index;
138 } mxf_essence_mappings[] = {
139 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
140 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
141 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
142 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
143 { AV_CODEC_ID_DNXHD, INDEX_DNXHD },
144 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
145 { AV_CODEC_ID_H264, INDEX_H264 },
146 { AV_CODEC_ID_PRORES, INDEX_PRORES },
147 { AV_CODEC_ID_NONE }
148 };
149
150 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
151 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
152 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
153 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
154 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
155 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
156 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st);
157
158 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
159 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
160 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
161 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
162 mxf_write_mpegvideo_desc },
163 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
164 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
165 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
166 mxf_write_aes3_desc },
167 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
168 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
169 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
170 mxf_write_wav_desc },
171 // D-10 Video
172 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
173 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
174 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
175 mxf_write_cdci_desc },
176 // D-10 Audio
177 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
178 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
179 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
180 mxf_write_generic_sound_desc },
181 // DV
182 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
183 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
185 mxf_write_cdci_desc },
186 // DNxHD
187 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
189 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
190 mxf_write_cdci_desc },
191 // JPEG2000
192 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
193 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
194 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
195 mxf_write_cdci_desc },
196 // H.264
197 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
198 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
199 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
200 mxf_write_h264_desc },
201 // S436M ANC
202 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
204 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
205 mxf_write_s436m_anc_desc },
206 // ProRes
207 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
209 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
210 mxf_write_cdci_desc },
211 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
212 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
213 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
214 NULL },
215 };
216
217 static const UID mxf_d10_codec_uls[] = {
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
219 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s
220 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s
221 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s
222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s
224 };
225
226 static const UID mxf_d10_container_uls[] = {
227 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s
229 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s
230 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s
231 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s
232 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s
233 };
234
235 typedef struct MXFContext {
236 AVClass *av_class;
237 int64_t footer_partition_offset;
238 int essence_container_count;
239 AVRational time_base;
240 int header_written;
241 MXFIndexEntry *index_entries;
242 unsigned edit_units_count;
243 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
244 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
245 int last_indexed_edit_unit;
246 uint64_t *body_partition_offset;
247 unsigned body_partitions_count;
248 int last_key_index; ///< index of last key frame
249 uint64_t duration;
250 AVTimecode tc; ///< timecode context
251 AVStream *timecode_track;
252 int timecode_base; ///< rounded time code base (25 or 30)
253 int edit_unit_byte_count; ///< fixed edit unit byte count
254 int content_package_rate; ///< content package rate in system element, see SMPTE 326M
255 uint64_t body_offset;
256 uint32_t instance_number;
257 uint8_t umid[16]; ///< unique material identifier
258 int channel_count;
259 int signal_standard;
260 uint32_t tagged_value_count;
261 AVRational audio_edit_rate;
262 int store_user_comments;
263 int track_instance_count; // used to generate MXFTrack uuids
264 int cbr_index; ///< use a constant bitrate index
265 } MXFContext;
266
267 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
268 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
269
270 /**
271 * complete key for operation pattern, partitions, and primer pack
272 */
273 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
274 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
275 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
276 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
277 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
278 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
279 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
280 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
281 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
282 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
283
284 /**
285 * partial key for header metadata
286 */
287 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
288 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
289
290 /**
291 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
292 * https://smpte-ra.org/sites/default/files/Labels.xml
293 */
294 static const MXFLocalTagPair mxf_local_tag_batch[] = {
295 // preface set
296 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
297 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
298 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
299 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
300 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
301 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
302 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
303 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
304 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
305 // Identification
306 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
307 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
308 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
309 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
310 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
311 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
312 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
313 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
314 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
315 // Content Storage
316 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
317 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
318 // Essence Container Data
319 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
320 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
321 // Package
322 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
323 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
324 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
325 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
326 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
327 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
328 // Track
329 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
330 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
331 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
332 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
333 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
334 // Sequence
335 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
336 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
337 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
338 // Source Clip
339 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
340 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
341 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
342 // Timecode Component
343 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
344 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
345 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
346 // File Descriptor
347 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
348 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
349 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
350 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
351 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
352 // Generic Picture Essence Descriptor
353 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
354 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
355 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
356 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
357 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
358 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
359 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
360 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
361 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
362 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
363 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
364 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
365 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
366 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
367 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
368 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
369 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
370 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
371 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
372 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
373 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
374 // CDCI Picture Essence Descriptor
375 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
376 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
377 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
378 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
379 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
380 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
381 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
382 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
383 // Generic Sound Essence Descriptor
384 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
385 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
386 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
387 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
388 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
389 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
390 // Index Table Segment
391 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
392 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
393 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
394 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
395 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
396 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
397 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
398 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
399 // MPEG video Descriptor
400 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
401 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
402 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
403 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
404 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
405 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
406 // Wave Audio Essence Descriptor
407 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
408 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
409 };
410
411 static const MXFLocalTagPair mxf_avc_subdescriptor_local_tags[] = {
412 { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
413 { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
414 { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
415 { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
416 };
417
418 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
419 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
420 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
421 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
422 };
423
mxf_write_uuid(AVIOContext * pb,enum MXFMetadataSetType type,int value)424 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
425 {
426 avio_write(pb, uuid_base, 12);
427 avio_wb16(pb, type);
428 avio_wb16(pb, value);
429 }
430
mxf_write_umid(AVFormatContext * s,int type)431 static void mxf_write_umid(AVFormatContext *s, int type)
432 {
433 MXFContext *mxf = s->priv_data;
434 avio_write(s->pb, umid_ul, 13);
435 avio_wb24(s->pb, mxf->instance_number);
436 avio_write(s->pb, mxf->umid, 15);
437 avio_w8(s->pb, type);
438 }
439
mxf_write_refs_count(AVIOContext * pb,int ref_count)440 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
441 {
442 avio_wb32(pb, ref_count);
443 avio_wb32(pb, 16);
444 }
445
klv_ber_length(uint64_t len)446 static int klv_ber_length(uint64_t len)
447 {
448 if (len < 128)
449 return 1;
450 else
451 return (av_log2(len) >> 3) + 2;
452 }
453
klv_encode_ber_length(AVIOContext * pb,uint64_t len)454 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
455 {
456 // Determine the best BER size
457 int size = klv_ber_length(len);
458 if (size == 1) {
459 //short form
460 avio_w8(pb, len);
461 return 1;
462 }
463
464 size --;
465 // long form
466 avio_w8(pb, 0x80 + size);
467 while(size) {
468 size--;
469 avio_w8(pb, len >> 8 * size & 0xff);
470 }
471 return 0;
472 }
473
klv_encode_ber4_length(AVIOContext * pb,int len)474 static void klv_encode_ber4_length(AVIOContext *pb, int len)
475 {
476 avio_w8(pb, 0x80 + 3);
477 avio_wb24(pb, len);
478 }
479
klv_encode_ber9_length(AVIOContext * pb,uint64_t len)480 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
481 {
482 avio_w8(pb, 0x80 + 8);
483 avio_wb64(pb, len);
484 }
485
486 /*
487 * Get essence container ul index
488 */
mxf_get_essence_container_ul_index(enum AVCodecID id)489 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
490 {
491 int i;
492 for (i = 0; mxf_essence_mappings[i].id; i++)
493 if (mxf_essence_mappings[i].id == id)
494 return mxf_essence_mappings[i].index;
495 return -1;
496 }
497
mxf_write_local_tags(AVIOContext * pb,const MXFLocalTagPair * local_tags,int count)498 static void mxf_write_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count)
499 {
500 int i;
501 for (i = 0; i < count; i++) {
502 avio_wb16(pb, local_tags[i].local_tag);
503 avio_write(pb, local_tags[i].uid, 16);
504 }
505 }
506
mxf_write_primer_pack(AVFormatContext * s)507 static void mxf_write_primer_pack(AVFormatContext *s)
508 {
509 MXFContext *mxf = s->priv_data;
510 AVIOContext *pb = s->pb;
511 int local_tag_number, i = 0;
512 int avc_tags_count = 0;
513
514 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
515 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
516
517 for (i = 0; i < s->nb_streams; i++) {
518 MXFStreamContext *sc = s->streams[i]->priv_data;
519 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
520 avc_tags_count = FF_ARRAY_ELEMS(mxf_avc_subdescriptor_local_tags);
521 local_tag_number += avc_tags_count;
522 }
523 }
524
525 avio_write(pb, primer_pack_key, 16);
526 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
527
528 avio_wb32(pb, local_tag_number); // local_tag num
529 avio_wb32(pb, 18); // item size, always 18 according to the specs
530
531 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
532 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
533 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
534 }
535 if (mxf->store_user_comments)
536 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
537 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
538 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
539 }
540 if (avc_tags_count > 0)
541 mxf_write_local_tags(pb, mxf_avc_subdescriptor_local_tags, avc_tags_count);
542 }
543
mxf_write_local_tag(AVIOContext * pb,int size,int tag)544 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
545 {
546 avio_wb16(pb, tag);
547 avio_wb16(pb, size);
548 }
549
mxf_write_metadata_key(AVIOContext * pb,unsigned int value)550 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
551 {
552 avio_write(pb, header_metadata_key, 13);
553 avio_wb24(pb, value);
554 }
555
mxf_get_data_definition_ul(int type)556 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
557 {
558 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
559 while (uls->uid[0]) {
560 if (type == uls->id)
561 break;
562 uls++;
563 }
564 return uls;
565 }
566
567 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
568 #define DESCRIPTOR_COUNT(essence_container_count) \
569 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
570
mxf_write_essence_container_refs(AVFormatContext * s)571 static void mxf_write_essence_container_refs(AVFormatContext *s)
572 {
573 MXFContext *c = s->priv_data;
574 AVIOContext *pb = s->pb;
575 int i;
576
577 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
578 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
579 for (i = 0; i < s->nb_streams; i++) {
580 MXFStreamContext *sc = s->streams[i]->priv_data;
581 // check first track of essence container type and only write it once
582 if (sc->track_essence_element_key[15] != 0)
583 continue;
584 avio_write(pb, *sc->container_ul, 16);
585 if (c->essence_container_count == 1)
586 break;
587 }
588
589 if (c->essence_container_count > 1)
590 avio_write(pb, multiple_desc_ul, 16);
591 }
592
mxf_write_preface(AVFormatContext * s)593 static void mxf_write_preface(AVFormatContext *s)
594 {
595 MXFContext *mxf = s->priv_data;
596 AVIOContext *pb = s->pb;
597
598 mxf_write_metadata_key(pb, 0x012f00);
599 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
600 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
601
602 // write preface set uid
603 mxf_write_local_tag(pb, 16, 0x3C0A);
604 mxf_write_uuid(pb, Preface, 0);
605 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
606
607 // last modified date
608 mxf_write_local_tag(pb, 8, 0x3B02);
609 avio_wb64(pb, mxf->timestamp);
610
611 // write version
612 mxf_write_local_tag(pb, 2, 0x3B05);
613 avio_wb16(pb, 259); // v1.3
614
615 // Object Model Version
616 mxf_write_local_tag(pb, 4, 0x3B07);
617 avio_wb32(pb, 1);
618
619 // write identification_refs
620 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
621 mxf_write_refs_count(pb, 1);
622 mxf_write_uuid(pb, Identification, 0);
623
624 // write content_storage_refs
625 mxf_write_local_tag(pb, 16, 0x3B03);
626 mxf_write_uuid(pb, ContentStorage, 0);
627
628 // operational pattern
629 mxf_write_local_tag(pb, 16, 0x3B09);
630 if (s->oformat == &ff_mxf_opatom_muxer)
631 avio_write(pb, opatom_ul, 16);
632 else
633 avio_write(pb, op1a_ul, 16);
634
635 // write essence_container_refs
636 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
637 mxf_write_essence_container_refs(s);
638
639 // write dm_scheme_refs
640 mxf_write_local_tag(pb, 8, 0x3B0B);
641 avio_wb64(pb, 0);
642 }
643
644 /*
645 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
646 * from decoding the utf-8 string.
647 */
mxf_utf16len(const char * utf8_str)648 static uint64_t mxf_utf16len(const char *utf8_str)
649 {
650 const uint8_t *q = utf8_str;
651 uint64_t size = 0;
652 while (*q) {
653 uint32_t ch;
654 GET_UTF8(ch, *q++, goto invalid;)
655 if (ch < 0x10000)
656 size++;
657 else
658 size += 2;
659 continue;
660 invalid:
661 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
662 }
663 size += 1;
664 return size;
665 }
666
667 /*
668 * Returns the calculated length a local tag containing an utf-8 string as utf-16
669 */
mxf_utf16_local_tag_length(const char * utf8_str)670 static int mxf_utf16_local_tag_length(const char *utf8_str)
671 {
672 uint64_t size;
673
674 if (!utf8_str)
675 return 0;
676
677 size = mxf_utf16len(utf8_str);
678 if (size >= UINT16_MAX/2) {
679 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
680 return 0;
681 }
682
683 return 4 + size * 2;
684 }
685
686 /*
687 * Write a local tag containing an utf-8 string as utf-16
688 */
mxf_write_local_tag_utf16(AVIOContext * pb,int tag,const char * value)689 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
690 {
691 uint64_t size = mxf_utf16len(value);
692
693 if (size >= UINT16_MAX/2) {
694 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
695 return;
696 }
697
698 mxf_write_local_tag(pb, size*2, tag);
699 avio_put_str16be(pb, value);
700 }
701
store_version(AVFormatContext * s)702 static void store_version(AVFormatContext *s){
703 AVIOContext *pb = s->pb;
704
705 if (s->flags & AVFMT_FLAG_BITEXACT) {
706 avio_wb16(pb, 0); // major
707 avio_wb16(pb, 0); // minor
708 avio_wb16(pb, 0); // tertiary
709 } else {
710 avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
711 avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
712 avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
713 }
714 avio_wb16(pb, 0); // patch
715 avio_wb16(pb, 0); // release
716 }
717
mxf_write_identification(AVFormatContext * s)718 static void mxf_write_identification(AVFormatContext *s)
719 {
720 MXFContext *mxf = s->priv_data;
721 AVIOContext *pb = s->pb;
722 const char *company = "FFmpeg";
723 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
724 const char *version;
725 int length;
726
727 mxf_write_metadata_key(pb, 0x013000);
728 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
729
730 version = s->flags & AVFMT_FLAG_BITEXACT ?
731 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
732 length = 100 +mxf_utf16_local_tag_length(company) +
733 mxf_utf16_local_tag_length(product) +
734 mxf_utf16_local_tag_length(version);
735 klv_encode_ber_length(pb, length);
736
737 // write uid
738 mxf_write_local_tag(pb, 16, 0x3C0A);
739 mxf_write_uuid(pb, Identification, 0);
740 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
741
742 // write generation uid
743 mxf_write_local_tag(pb, 16, 0x3C09);
744 mxf_write_uuid(pb, Identification, 1);
745 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
746 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
747
748 mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
749 store_version(s);
750
751 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
752
753 // write product uid
754 mxf_write_local_tag(pb, 16, 0x3C05);
755 mxf_write_uuid(pb, Identification, 2);
756
757 // modification date
758 mxf_write_local_tag(pb, 8, 0x3C06);
759 avio_wb64(pb, mxf->timestamp);
760
761 mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
762 store_version(s);
763 }
764
mxf_write_content_storage(AVFormatContext * s,MXFPackage * packages,int package_count)765 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
766 {
767 AVIOContext *pb = s->pb;
768 int i;
769
770 mxf_write_metadata_key(pb, 0x011800);
771 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
772 klv_encode_ber_length(pb, 60 + (16 * package_count));
773
774 // write uid
775 mxf_write_local_tag(pb, 16, 0x3C0A);
776 mxf_write_uuid(pb, ContentStorage, 0);
777 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
778
779 // write package reference
780 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
781 mxf_write_refs_count(pb, package_count);
782 for (i = 0; i < package_count; i++) {
783 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
784 }
785
786 // write essence container data
787 mxf_write_local_tag(pb, 8 + 16, 0x1902);
788 mxf_write_refs_count(pb, 1);
789 mxf_write_uuid(pb, EssenceContainerData, 0);
790 }
791
mxf_write_track(AVFormatContext * s,AVStream * st,MXFPackage * package)792 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
793 {
794 MXFContext *mxf = s->priv_data;
795 AVIOContext *pb = s->pb;
796 MXFStreamContext *sc = st->priv_data;
797
798 mxf_write_metadata_key(pb, 0x013b00);
799 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
800 klv_encode_ber_length(pb, 80);
801
802 // write track uid
803 mxf_write_local_tag(pb, 16, 0x3C0A);
804 mxf_write_uuid(pb, Track, mxf->track_instance_count);
805 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
806
807 // write track id
808 mxf_write_local_tag(pb, 4, 0x4801);
809 avio_wb32(pb, st->index+2);
810
811 // write track number
812 mxf_write_local_tag(pb, 4, 0x4804);
813 if (package->type == MaterialPackage)
814 avio_wb32(pb, 0); // track number of material package is 0
815 else
816 avio_write(pb, sc->track_essence_element_key + 12, 4);
817
818 // write edit rate
819 mxf_write_local_tag(pb, 8, 0x4B01);
820
821 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
822 avio_wb32(pb, mxf->tc.rate.num);
823 avio_wb32(pb, mxf->tc.rate.den);
824 } else {
825 avio_wb32(pb, mxf->time_base.den);
826 avio_wb32(pb, mxf->time_base.num);
827 }
828
829 // write origin
830 mxf_write_local_tag(pb, 8, 0x4B02);
831 avio_wb64(pb, 0);
832
833 // write sequence refs
834 mxf_write_local_tag(pb, 16, 0x4803);
835 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
836 }
837
838 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 };
839
mxf_write_common_fields(AVFormatContext * s,AVStream * st)840 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
841 {
842 MXFContext *mxf = s->priv_data;
843 AVIOContext *pb = s->pb;
844
845 // find data define uls
846 mxf_write_local_tag(pb, 16, 0x0201);
847 if (st == mxf->timecode_track)
848 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
849 else {
850 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
851 avio_write(pb, data_def_ul->uid, 16);
852 }
853
854 // write duration
855 mxf_write_local_tag(pb, 8, 0x0202);
856
857 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
858 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
859 } else {
860 avio_wb64(pb, mxf->duration);
861 }
862 }
863
mxf_write_sequence(AVFormatContext * s,AVStream * st,MXFPackage * package)864 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
865 {
866 MXFContext *mxf = s->priv_data;
867 AVIOContext *pb = s->pb;
868 enum MXFMetadataSetType component;
869
870 mxf_write_metadata_key(pb, 0x010f00);
871 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
872 klv_encode_ber_length(pb, 80);
873
874 mxf_write_local_tag(pb, 16, 0x3C0A);
875 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
876
877 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
878 mxf_write_common_fields(s, st);
879
880 // write structural component
881 mxf_write_local_tag(pb, 16 + 8, 0x1001);
882 mxf_write_refs_count(pb, 1);
883 if (st == mxf->timecode_track)
884 component = TimecodeComponent;
885 else
886 component = SourceClip;
887
888 mxf_write_uuid(pb, component, mxf->track_instance_count);
889 }
890
mxf_write_timecode_component(AVFormatContext * s,AVStream * st,MXFPackage * package)891 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
892 {
893 MXFContext *mxf = s->priv_data;
894 AVIOContext *pb = s->pb;
895
896 mxf_write_metadata_key(pb, 0x011400);
897 klv_encode_ber_length(pb, 75);
898
899 // UID
900 mxf_write_local_tag(pb, 16, 0x3C0A);
901 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
902
903 mxf_write_common_fields(s, st);
904
905 // Start Time Code
906 mxf_write_local_tag(pb, 8, 0x1501);
907 avio_wb64(pb, mxf->tc.start);
908
909 // Rounded Time Code Base
910 mxf_write_local_tag(pb, 2, 0x1502);
911 avio_wb16(pb, mxf->timecode_base);
912
913 // Drop Frame
914 mxf_write_local_tag(pb, 1, 0x1503);
915 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
916 }
917
mxf_write_structural_component(AVFormatContext * s,AVStream * st,MXFPackage * package)918 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
919 {
920 MXFContext *mxf = s->priv_data;
921 AVIOContext *pb = s->pb;
922 int i;
923
924 mxf_write_metadata_key(pb, 0x011100);
925 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
926 klv_encode_ber_length(pb, 108);
927
928 // write uid
929 mxf_write_local_tag(pb, 16, 0x3C0A);
930 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
931
932 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
933 mxf_write_common_fields(s, st);
934
935 // write start_position
936 mxf_write_local_tag(pb, 8, 0x1201);
937 avio_wb64(pb, 0);
938
939 // write source package uid, end of the reference
940 mxf_write_local_tag(pb, 32, 0x1101);
941 if (!package->ref) {
942 for (i = 0; i < 4; i++)
943 avio_wb64(pb, 0);
944 } else
945 mxf_write_umid(s, package->ref->instance);
946
947 // write source track id
948 mxf_write_local_tag(pb, 4, 0x1102);
949 if (package->type == SourcePackage && !package->ref)
950 avio_wb32(pb, 0);
951 else
952 avio_wb32(pb, st->index+2);
953 }
954
mxf_write_tape_descriptor(AVFormatContext * s)955 static void mxf_write_tape_descriptor(AVFormatContext *s)
956 {
957 AVIOContext *pb = s->pb;
958
959 mxf_write_metadata_key(pb, 0x012e00);
960 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
961 klv_encode_ber_length(pb, 20);
962 mxf_write_local_tag(pb, 16, 0x3C0A);
963 mxf_write_uuid(pb, TapeDescriptor, 0);
964 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
965 }
966
967
mxf_write_multi_descriptor(AVFormatContext * s)968 static void mxf_write_multi_descriptor(AVFormatContext *s)
969 {
970 MXFContext *mxf = s->priv_data;
971 AVIOContext *pb = s->pb;
972 const uint8_t *ul;
973 int i;
974
975 mxf_write_metadata_key(pb, 0x014400);
976 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
977 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
978
979 mxf_write_local_tag(pb, 16, 0x3C0A);
980 mxf_write_uuid(pb, MultipleDescriptor, 0);
981 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
982
983 // write sample rate
984 mxf_write_local_tag(pb, 8, 0x3001);
985 avio_wb32(pb, mxf->time_base.den);
986 avio_wb32(pb, mxf->time_base.num);
987
988 // write essence container ul
989 mxf_write_local_tag(pb, 16, 0x3004);
990 if (mxf->essence_container_count > 1)
991 ul = multiple_desc_ul;
992 else {
993 MXFStreamContext *sc = s->streams[0]->priv_data;
994 ul = *sc->container_ul;
995 }
996 avio_write(pb, ul, 16);
997
998 // write sub descriptor refs
999 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1000 mxf_write_refs_count(pb, s->nb_streams);
1001 for (i = 0; i < s->nb_streams; i++)
1002 mxf_write_uuid(pb, SubDescriptor, i);
1003 }
1004
mxf_write_generic_desc(AVFormatContext * s,AVStream * st,const UID key)1005 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1006 {
1007 MXFContext *mxf = s->priv_data;
1008 MXFStreamContext *sc = st->priv_data;
1009 AVIOContext *pb = s->pb;
1010 int64_t pos;
1011
1012 avio_write(pb, key, 16);
1013 klv_encode_ber4_length(pb, 0);
1014 pos = avio_tell(pb);
1015
1016 mxf_write_local_tag(pb, 16, 0x3C0A);
1017 mxf_write_uuid(pb, SubDescriptor, st->index);
1018
1019 mxf_write_local_tag(pb, 4, 0x3006);
1020 avio_wb32(pb, st->index+2);
1021
1022 mxf_write_local_tag(pb, 8, 0x3001);
1023 if (s->oformat == &ff_mxf_d10_muxer) {
1024 avio_wb32(pb, mxf->time_base.den);
1025 avio_wb32(pb, mxf->time_base.num);
1026 } else {
1027 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1028 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1029 avio_wb32(pb, st->codecpar->sample_rate);
1030 avio_wb32(pb, 1);
1031 } else {
1032 avio_wb32(pb, mxf->time_base.den);
1033 avio_wb32(pb, mxf->time_base.num);
1034 }
1035 }
1036
1037 mxf_write_local_tag(pb, 16, 0x3004);
1038 avio_write(pb, *sc->container_ul, 16);
1039
1040 return pos;
1041 }
1042
1043 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1044 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1045 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1046 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1047 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1048 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1049
1050 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1051
get_trc(UID ul,enum AVColorTransferCharacteristic trc)1052 static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
1053 {
1054 switch (trc){
1055 case AVCOL_TRC_GAMMA28 :
1056 case AVCOL_TRC_GAMMA22 :
1057 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1058 return 0;
1059 case AVCOL_TRC_BT709 :
1060 case AVCOL_TRC_SMPTE170M :
1061 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1062 return 0;
1063 case AVCOL_TRC_SMPTE240M :
1064 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1065 return 0;
1066 case AVCOL_TRC_BT1361_ECG:
1067 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1068 return 0;
1069 case AVCOL_TRC_LINEAR :
1070 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1071 return 0;
1072 case AVCOL_TRC_SMPTE428 :
1073 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1074 return 0;
1075 default:
1076 return -1;
1077 }
1078 }
1079
mxf_write_cdci_common(AVFormatContext * s,AVStream * st,const UID key)1080 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1081 {
1082 MXFStreamContext *sc = st->priv_data;
1083 AVIOContext *pb = s->pb;
1084 int stored_width = 0;
1085 int stored_height = (st->codecpar->height+15)/16*16;
1086 int display_height;
1087 int f1, f2;
1088 UID transfer_ul = {0};
1089 int64_t pos = mxf_write_generic_desc(s, st, key);
1090
1091 get_trc(transfer_ul, st->codecpar->color_trc);
1092
1093 if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1094 if (st->codecpar->height == 1080)
1095 stored_width = 1920;
1096 else if (st->codecpar->height == 720)
1097 stored_width = 1280;
1098 }
1099 if (!stored_width)
1100 stored_width = (st->codecpar->width+15)/16*16;
1101
1102 mxf_write_local_tag(pb, 4, 0x3203);
1103 avio_wb32(pb, stored_width);
1104
1105 mxf_write_local_tag(pb, 4, 0x3202);
1106 avio_wb32(pb, stored_height>>sc->interlaced);
1107
1108 if (s->oformat == &ff_mxf_d10_muxer) {
1109 //Stored F2 Offset
1110 mxf_write_local_tag(pb, 4, 0x3216);
1111 avio_wb32(pb, 0);
1112
1113 //Image Start Offset
1114 mxf_write_local_tag(pb, 4, 0x3213);
1115 avio_wb32(pb, 0);
1116
1117 //Image End Offset
1118 mxf_write_local_tag(pb, 4, 0x3214);
1119 avio_wb32(pb, 0);
1120 }
1121
1122 //Sampled width
1123 mxf_write_local_tag(pb, 4, 0x3205);
1124 avio_wb32(pb, stored_width);
1125
1126 //Samples height
1127 mxf_write_local_tag(pb, 4, 0x3204);
1128 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1129
1130 //Sampled X Offset
1131 mxf_write_local_tag(pb, 4, 0x3206);
1132 avio_wb32(pb, 0);
1133
1134 //Sampled Y Offset
1135 mxf_write_local_tag(pb, 4, 0x3207);
1136 avio_wb32(pb, 0);
1137
1138 mxf_write_local_tag(pb, 4, 0x3209);
1139 avio_wb32(pb, stored_width);
1140
1141 if (st->codecpar->height == 608) // PAL + VBI
1142 display_height = 576;
1143 else if (st->codecpar->height == 512) // NTSC + VBI
1144 display_height = 486;
1145 else
1146 display_height = st->codecpar->height;
1147
1148 mxf_write_local_tag(pb, 4, 0x3208);
1149 avio_wb32(pb, display_height>>sc->interlaced);
1150
1151 // display X offset
1152 mxf_write_local_tag(pb, 4, 0x320A);
1153 avio_wb32(pb, 0);
1154
1155 // display Y offset
1156 mxf_write_local_tag(pb, 4, 0x320B);
1157 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1158
1159 if (sc->interlaced) {
1160 //Display F2 Offset
1161 mxf_write_local_tag(pb, 4, 0x3217);
1162 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1163 }
1164
1165 // component depth
1166 mxf_write_local_tag(pb, 4, 0x3301);
1167 avio_wb32(pb, sc->component_depth);
1168
1169 // horizontal subsampling
1170 mxf_write_local_tag(pb, 4, 0x3302);
1171 avio_wb32(pb, sc->h_chroma_sub_sample);
1172
1173 // vertical subsampling
1174 mxf_write_local_tag(pb, 4, 0x3308);
1175 avio_wb32(pb, sc->v_chroma_sub_sample);
1176
1177 // color siting
1178 mxf_write_local_tag(pb, 1, 0x3303);
1179 avio_w8(pb, sc->color_siting);
1180
1181 // Padding Bits
1182 mxf_write_local_tag(pb, 2, 0x3307);
1183 avio_wb16(pb, 0);
1184
1185 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1186 int black = 0,
1187 white = (1<<sc->component_depth) - 1,
1188 color = (1<<sc->component_depth) - 1;
1189 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1190 black = 1 << (sc->component_depth - 4);
1191 white = 235 << (sc->component_depth - 8);
1192 color = (14 << (sc->component_depth - 4)) + 1;
1193 }
1194 mxf_write_local_tag(pb, 4, 0x3304);
1195 avio_wb32(pb, black);
1196 mxf_write_local_tag(pb, 4, 0x3305);
1197 avio_wb32(pb, white);
1198 mxf_write_local_tag(pb, 4, 0x3306);
1199 avio_wb32(pb, color);
1200 }
1201
1202 if (sc->signal_standard) {
1203 mxf_write_local_tag(pb, 1, 0x3215);
1204 avio_w8(pb, sc->signal_standard);
1205 }
1206
1207 // frame layout
1208 mxf_write_local_tag(pb, 1, 0x320C);
1209 avio_w8(pb, sc->interlaced);
1210
1211 // video line map
1212 switch (st->codecpar->height) {
1213 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1214 case 608: f1 = 7; f2 = 320; break;
1215 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1216 case 512: f1 = 7; f2 = 270; break;
1217 case 720: f1 = 26; f2 = 0; break; // progressive
1218 case 1080: f1 = 21; f2 = 584; break;
1219 default: f1 = 0; f2 = 0; break;
1220 }
1221
1222 if (!sc->interlaced && f2) {
1223 f2 = 0;
1224 f1 *= 2;
1225 }
1226
1227
1228 mxf_write_local_tag(pb, 16, 0x320D);
1229 avio_wb32(pb, 2);
1230 avio_wb32(pb, 4);
1231 avio_wb32(pb, f1);
1232 avio_wb32(pb, f2);
1233
1234 mxf_write_local_tag(pb, 8, 0x320E);
1235 avio_wb32(pb, sc->aspect_ratio.num);
1236 avio_wb32(pb, sc->aspect_ratio.den);
1237
1238 //Transfer characteristic
1239 if (transfer_ul[0]) {
1240 mxf_write_local_tag(pb, 16, 0x3210);
1241 avio_write(pb, transfer_ul, 16);
1242 };
1243
1244 mxf_write_local_tag(pb, 16, 0x3201);
1245 avio_write(pb, *sc->codec_ul, 16);
1246
1247 if (sc->interlaced && sc->field_dominance) {
1248 mxf_write_local_tag(pb, 1, 0x3212);
1249 avio_w8(pb, sc->field_dominance);
1250 }
1251
1252 if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1253 // write avc sub descriptor ref
1254 mxf_write_local_tag(pb, 8 + 16, 0x8100);
1255 mxf_write_refs_count(pb, 1);
1256 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1257 }
1258
1259 return pos;
1260 }
1261
mxf_update_klv_size(AVIOContext * pb,int64_t pos)1262 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1263 {
1264 int64_t cur_pos = avio_tell(pb);
1265 int size = cur_pos - pos;
1266 avio_seek(pb, pos - 4, SEEK_SET);
1267 klv_encode_ber4_length(pb, size);
1268 avio_seek(pb, cur_pos, SEEK_SET);
1269 }
1270
mxf_write_avc_subdesc(AVFormatContext * s,AVStream * st)1271 static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
1272 {
1273 AVIOContext *pb = s->pb;
1274 int64_t pos;
1275
1276 avio_write(pb, mxf_avc_subdescriptor_key, 16);
1277 klv_encode_ber4_length(pb, 0);
1278 pos = avio_tell(pb);
1279
1280 mxf_write_local_tag(pb, 16, 0x3C0A);
1281 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1282
1283 mxf_write_local_tag(pb, 1, 0x8200);
1284 avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1285
1286 mxf_write_local_tag(pb, 1, 0x8201);
1287 avio_w8(pb, st->codecpar->profile); // AVC Profile
1288
1289 mxf_write_local_tag(pb, 1, 0x8202);
1290 avio_w8(pb, st->codecpar->level); // AVC Level
1291
1292 mxf_update_klv_size(s->pb, pos);
1293 }
1294
mxf_write_cdci_desc(AVFormatContext * s,AVStream * st)1295 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1296 {
1297 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1298 mxf_update_klv_size(s->pb, pos);
1299
1300 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1301 mxf_write_avc_subdesc(s, st);
1302 }
1303 }
1304
mxf_write_h264_desc(AVFormatContext * s,AVStream * st)1305 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
1306 {
1307 MXFStreamContext *sc = st->priv_data;
1308 if (sc->avc_intra) {
1309 mxf_write_mpegvideo_desc(s, st);
1310 } else {
1311 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1312 mxf_update_klv_size(s->pb, pos);
1313 mxf_write_avc_subdesc(s, st);
1314 }
1315 }
1316
mxf_write_s436m_anc_desc(AVFormatContext * s,AVStream * st)1317 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
1318 {
1319 int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key);
1320 mxf_update_klv_size(s->pb, pos);
1321 }
1322
mxf_write_mpegvideo_desc(AVFormatContext * s,AVStream * st)1323 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1324 {
1325 AVIOContext *pb = s->pb;
1326 MXFStreamContext *sc = st->priv_data;
1327 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1328 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1329
1330 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1331 // bit rate
1332 mxf_write_local_tag(pb, 4, 0x8000);
1333 avio_wb32(pb, sc->video_bit_rate);
1334
1335 // profile and level
1336 mxf_write_local_tag(pb, 1, 0x8007);
1337 if (!st->codecpar->profile)
1338 profile_and_level |= 0x80; // escape bit
1339 avio_w8(pb, profile_and_level);
1340
1341 // low delay
1342 mxf_write_local_tag(pb, 1, 0x8003);
1343 avio_w8(pb, sc->low_delay);
1344
1345 // closed gop
1346 mxf_write_local_tag(pb, 1, 0x8004);
1347 avio_w8(pb, sc->seq_closed_gop);
1348
1349 // max gop
1350 mxf_write_local_tag(pb, 2, 0x8006);
1351 avio_wb16(pb, sc->max_gop);
1352
1353 // b picture count
1354 mxf_write_local_tag(pb, 2, 0x8008);
1355 avio_wb16(pb, sc->b_picture_count);
1356 }
1357
1358 mxf_update_klv_size(pb, pos);
1359 }
1360
mxf_write_generic_sound_common(AVFormatContext * s,AVStream * st,const UID key)1361 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1362 {
1363 AVIOContext *pb = s->pb;
1364 MXFContext *mxf = s->priv_data;
1365 int show_warnings = !mxf->footer_partition_offset;
1366 int64_t pos = mxf_write_generic_desc(s, st, key);
1367
1368 if (s->oformat == &ff_mxf_opatom_muxer) {
1369 mxf_write_local_tag(pb, 8, 0x3002);
1370 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1371 }
1372
1373 // audio locked
1374 mxf_write_local_tag(pb, 1, 0x3D02);
1375 avio_w8(pb, 1);
1376
1377 // write audio sampling rate
1378 mxf_write_local_tag(pb, 8, 0x3D03);
1379 avio_wb32(pb, st->codecpar->sample_rate);
1380 avio_wb32(pb, 1);
1381
1382 if (s->oformat == &ff_mxf_d10_muxer) {
1383 mxf_write_local_tag(pb, 1, 0x3D04);
1384 avio_w8(pb, 0);
1385 }
1386
1387 mxf_write_local_tag(pb, 4, 0x3D07);
1388 if (mxf->channel_count == -1) {
1389 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1390 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");
1391 avio_wb32(pb, st->codecpar->channels);
1392 } else if (s->oformat == &ff_mxf_d10_muxer) {
1393 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1394 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1395 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1396 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");
1397 avio_wb32(pb, mxf->channel_count);
1398 } else {
1399 avio_wb32(pb, st->codecpar->channels);
1400 }
1401
1402 mxf_write_local_tag(pb, 4, 0x3D01);
1403 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1404
1405 return pos;
1406 }
1407
mxf_write_wav_common(AVFormatContext * s,AVStream * st,const UID key)1408 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1409 {
1410 AVIOContext *pb = s->pb;
1411 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1412
1413 mxf_write_local_tag(pb, 2, 0x3D0A);
1414 avio_wb16(pb, st->codecpar->block_align);
1415
1416 // avg bytes per sec
1417 mxf_write_local_tag(pb, 4, 0x3D09);
1418 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1419
1420 return pos;
1421 }
1422
mxf_write_wav_desc(AVFormatContext * s,AVStream * st)1423 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1424 {
1425 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1426 mxf_update_klv_size(s->pb, pos);
1427 }
1428
mxf_write_aes3_desc(AVFormatContext * s,AVStream * st)1429 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1430 {
1431 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1432 mxf_update_klv_size(s->pb, pos);
1433 }
1434
mxf_write_generic_sound_desc(AVFormatContext * s,AVStream * st)1435 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1436 {
1437 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1438 mxf_update_klv_size(s->pb, pos);
1439 }
1440
1441 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 };
1442
mxf_write_tagged_value(AVFormatContext * s,const char * name,const char * value)1443 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1444 {
1445 MXFContext *mxf = s->priv_data;
1446 AVIOContext *pb = s->pb;
1447 int name_size = mxf_utf16_local_tag_length(name);
1448 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1449
1450 if (!name_size || indirect_value_size == 13)
1451 return 1;
1452
1453 mxf_write_metadata_key(pb, 0x013f00);
1454 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1455
1456 // write instance UID
1457 mxf_write_local_tag(pb, 16, 0x3C0A);
1458 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1459
1460 // write name
1461 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1462
1463 // write indirect value
1464 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1465 avio_write(pb, mxf_indirect_value_utf16le, 17);
1466 avio_put_str16le(pb, value);
1467
1468 mxf->tagged_value_count++;
1469 return 0;
1470 }
1471
mxf_write_user_comments(AVFormatContext * s,const AVDictionary * m)1472 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1473 {
1474 MXFContext *mxf = s->priv_data;
1475 AVDictionaryEntry *t = NULL;
1476 int count = 0;
1477
1478 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1479 if (mxf->tagged_value_count >= UINT16_MAX) {
1480 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1481 return count;
1482 }
1483
1484 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1485 count++;
1486 }
1487 return count;
1488 }
1489
mxf_write_package(AVFormatContext * s,MXFPackage * package)1490 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1491 {
1492 MXFContext *mxf = s->priv_data;
1493 AVIOContext *pb = s->pb;
1494 int i, track_count = s->nb_streams+1;
1495 int name_size = mxf_utf16_local_tag_length(package->name);
1496 int user_comment_count = 0;
1497
1498 if (package->type == MaterialPackage) {
1499 if (mxf->store_user_comments)
1500 user_comment_count = mxf_write_user_comments(s, s->metadata);
1501 mxf_write_metadata_key(pb, 0x013600);
1502 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1503 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1504 } else {
1505 mxf_write_metadata_key(pb, 0x013700);
1506 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1507 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1508 }
1509
1510 // write uid
1511 mxf_write_local_tag(pb, 16, 0x3C0A);
1512 mxf_write_uuid(pb, package->type, package->instance);
1513 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1514 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1515
1516 // write package umid
1517 mxf_write_local_tag(pb, 32, 0x4401);
1518 mxf_write_umid(s, package->instance);
1519 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1520
1521 // package name
1522 if (name_size)
1523 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1524
1525 // package creation date
1526 mxf_write_local_tag(pb, 8, 0x4405);
1527 avio_wb64(pb, mxf->timestamp);
1528
1529 // package modified date
1530 mxf_write_local_tag(pb, 8, 0x4404);
1531 avio_wb64(pb, mxf->timestamp);
1532
1533 // write track refs
1534 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1535 mxf_write_refs_count(pb, track_count);
1536 // these are the uuids of the tracks the will be written in mxf_write_track
1537 for (i = 0; i < track_count; i++)
1538 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1539
1540 // write user comment refs
1541 if (mxf->store_user_comments) {
1542 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1543 mxf_write_refs_count(pb, user_comment_count);
1544 for (i = 0; i < user_comment_count; i++)
1545 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1546 }
1547
1548 // write multiple descriptor reference
1549 if (package->type == SourcePackage && package->instance == 1) {
1550 mxf_write_local_tag(pb, 16, 0x4701);
1551 if (s->nb_streams > 1) {
1552 mxf_write_uuid(pb, MultipleDescriptor, 0);
1553 mxf_write_multi_descriptor(s);
1554 } else
1555 mxf_write_uuid(pb, SubDescriptor, 0);
1556 } else if (package->type == SourcePackage && package->instance == 2) {
1557 mxf_write_local_tag(pb, 16, 0x4701);
1558 mxf_write_uuid(pb, TapeDescriptor, 0);
1559 mxf_write_tape_descriptor(s);
1560 }
1561
1562 /*
1563 * for every 1 track in a package there is 1 sequence and 1 component.
1564 * all 3 of these elements share the same instance number for generating
1565 * there instance uuids. mxf->track_instance_count stores this value.
1566 * mxf->track_instance_count is incremented after a group of all 3 of
1567 * these elements are written.
1568 */
1569
1570 // write timecode track
1571 mxf_write_track(s, mxf->timecode_track, package);
1572 mxf_write_sequence(s, mxf->timecode_track, package);
1573 mxf_write_timecode_component(s, mxf->timecode_track, package);
1574 mxf->track_instance_count++;
1575
1576 for (i = 0; i < s->nb_streams; i++) {
1577 AVStream *st = s->streams[i];
1578 mxf_write_track(s, st, package);
1579 mxf_write_sequence(s, st, package);
1580 mxf_write_structural_component(s, st, package);
1581 mxf->track_instance_count++;
1582
1583 if (package->type == SourcePackage && package->instance == 1) {
1584 MXFStreamContext *sc = st->priv_data;
1585 mxf_essence_container_uls[sc->index].write_desc(s, st);
1586 }
1587 }
1588 }
1589
mxf_write_essence_container_data(AVFormatContext * s)1590 static int mxf_write_essence_container_data(AVFormatContext *s)
1591 {
1592 AVIOContext *pb = s->pb;
1593
1594 mxf_write_metadata_key(pb, 0x012300);
1595 klv_encode_ber_length(pb, 72);
1596
1597 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1598 mxf_write_uuid(pb, EssenceContainerData, 0);
1599
1600 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1601 mxf_write_umid(s, 1);
1602
1603 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1604 avio_wb32(pb, 1);
1605
1606 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1607 avio_wb32(pb, 2);
1608
1609 return 0;
1610 }
1611
mxf_write_header_metadata_sets(AVFormatContext * s)1612 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1613 {
1614 MXFContext *mxf = s->priv_data;
1615 AVDictionaryEntry *entry = NULL;
1616 AVStream *st = NULL;
1617 int i;
1618 MXFPackage packages[3] = {{0}};
1619 int package_count = 2;
1620 packages[0].type = MaterialPackage;
1621 packages[1].type = SourcePackage;
1622 packages[1].instance = 1;
1623 packages[0].ref = &packages[1];
1624
1625
1626 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1627 packages[0].name = entry->value;
1628
1629 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1630 packages[1].name = entry->value;
1631 } else {
1632 /* check if any of the streams contain a file_package_name */
1633 for (i = 0; i < s->nb_streams; i++) {
1634 st = s->streams[i];
1635 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1636 packages[1].name = entry->value;
1637 break;
1638 }
1639 }
1640 }
1641
1642 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1643 if (entry) {
1644 packages[2].name = entry->value;
1645 packages[2].type = SourcePackage;
1646 packages[2].instance = 2;
1647 packages[1].ref = &packages[2];
1648 package_count = 3;
1649 }
1650
1651 mxf_write_preface(s);
1652 mxf_write_identification(s);
1653 mxf_write_content_storage(s, packages, package_count);
1654 mxf->track_instance_count = 0;
1655 for (i = 0; i < package_count; i++)
1656 mxf_write_package(s, &packages[i]);
1657 mxf_write_essence_container_data(s);
1658 return 0;
1659 }
1660
klv_fill_size(uint64_t size)1661 static unsigned klv_fill_size(uint64_t size)
1662 {
1663 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1664 if (pad < 20) // smallest fill item possible
1665 return pad + KAG_SIZE;
1666 else
1667 return pad & (KAG_SIZE-1);
1668 }
1669
mxf_write_index_table_segment(AVFormatContext * s)1670 static void mxf_write_index_table_segment(AVFormatContext *s)
1671 {
1672 MXFContext *mxf = s->priv_data;
1673 AVIOContext *pb = s->pb;
1674 int i, j, temporal_reordering = 0;
1675 int key_index = mxf->last_key_index;
1676 int prev_non_b_picture = 0;
1677 int audio_frame_size = 0;
1678 int64_t pos;
1679
1680 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1681
1682 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1683 return;
1684
1685 avio_write(pb, index_table_segment_key, 16);
1686
1687 klv_encode_ber4_length(pb, 0);
1688 pos = avio_tell(pb);
1689
1690 // instance id
1691 mxf_write_local_tag(pb, 16, 0x3C0A);
1692 mxf_write_uuid(pb, IndexTableSegment, 0);
1693
1694 // index edit rate
1695 mxf_write_local_tag(pb, 8, 0x3F0B);
1696 avio_wb32(pb, mxf->time_base.den);
1697 avio_wb32(pb, mxf->time_base.num);
1698
1699 // index start position
1700 mxf_write_local_tag(pb, 8, 0x3F0C);
1701 avio_wb64(pb, mxf->last_indexed_edit_unit);
1702
1703 // index duration
1704 mxf_write_local_tag(pb, 8, 0x3F0D);
1705 if (mxf->edit_unit_byte_count)
1706 avio_wb64(pb, 0); // index table covers whole container
1707 else
1708 avio_wb64(pb, mxf->edit_units_count);
1709
1710 // edit unit byte count
1711 mxf_write_local_tag(pb, 4, 0x3F05);
1712 avio_wb32(pb, mxf->edit_unit_byte_count);
1713
1714 // index sid
1715 mxf_write_local_tag(pb, 4, 0x3F06);
1716 avio_wb32(pb, 2);
1717
1718 // body sid
1719 mxf_write_local_tag(pb, 4, 0x3F07);
1720 avio_wb32(pb, 1);
1721
1722 // real slice count - 1
1723 mxf_write_local_tag(pb, 1, 0x3F08);
1724 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1725
1726 // delta entry array
1727 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1728 avio_wb32(pb, s->nb_streams+1); // num of entries
1729 avio_wb32(pb, 6); // size of one entry
1730 // write system item delta entry
1731 avio_w8(pb, 0);
1732 avio_w8(pb, 0); // slice entry
1733 avio_wb32(pb, 0); // element delta
1734 // write each stream delta entry
1735 for (i = 0; i < s->nb_streams; i++) {
1736 AVStream *st = s->streams[i];
1737 MXFStreamContext *sc = st->priv_data;
1738 avio_w8(pb, sc->temporal_reordering);
1739 if (sc->temporal_reordering)
1740 temporal_reordering = 1;
1741 if (mxf->edit_unit_byte_count) {
1742 avio_w8(pb, 0); // slice number
1743 avio_wb32(pb, sc->slice_offset);
1744 } else if (i == 0) { // video track
1745 avio_w8(pb, 0); // slice number
1746 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1747 } else { // audio or data track
1748 if (!audio_frame_size) {
1749 audio_frame_size = sc->frame_size;
1750 audio_frame_size += klv_fill_size(audio_frame_size);
1751 }
1752 avio_w8(pb, 1);
1753 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1754 }
1755 }
1756
1757 if (!mxf->edit_unit_byte_count) {
1758 MXFStreamContext *sc = s->streams[0]->priv_data;
1759 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A);
1760 avio_wb32(pb, mxf->edit_units_count); // num of entries
1761 avio_wb32(pb, 15); // size of one entry
1762
1763 for (i = 0; i < mxf->edit_units_count; i++) {
1764 int temporal_offset = 0;
1765
1766 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1767 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1768 mxf->last_key_index = key_index;
1769 key_index = i;
1770 }
1771
1772 if (temporal_reordering) {
1773 int pic_num_in_gop = i - key_index;
1774 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1775 for (j = key_index; j < mxf->edit_units_count; j++) {
1776 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1777 break;
1778 }
1779 if (j == mxf->edit_units_count)
1780 av_log(s, AV_LOG_WARNING, "missing frames\n");
1781 temporal_offset = j - key_index - pic_num_in_gop;
1782 }
1783 }
1784 avio_w8(pb, temporal_offset);
1785
1786 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1787 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1788 avio_w8(pb, mxf->last_key_index - i);
1789 } else {
1790 avio_w8(pb, key_index - i); // key frame offset
1791 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1792 mxf->last_key_index = key_index;
1793 prev_non_b_picture = i;
1794 }
1795
1796 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1797 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1798 mxf->index_entries[i].flags |= 0x80; // random access
1799 avio_w8(pb, mxf->index_entries[i].flags);
1800 // stream offset
1801 avio_wb64(pb, mxf->index_entries[i].offset);
1802 if (s->nb_streams > 1)
1803 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1804 else
1805 avio_wb32(pb, 0);
1806 }
1807
1808 mxf->last_key_index = key_index - mxf->edit_units_count;
1809 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1810 mxf->edit_units_count = 0;
1811 }
1812
1813 mxf_update_klv_size(pb, pos);
1814 }
1815
mxf_write_klv_fill(AVFormatContext * s)1816 static void mxf_write_klv_fill(AVFormatContext *s)
1817 {
1818 unsigned pad = klv_fill_size(avio_tell(s->pb));
1819 if (pad) {
1820 avio_write(s->pb, klv_fill_key, 16);
1821 pad -= 16 + 4;
1822 klv_encode_ber4_length(s->pb, pad);
1823 ffio_fill(s->pb, 0, pad);
1824 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1825 }
1826 }
1827
mxf_write_partition(AVFormatContext * s,int bodysid,int indexsid,const uint8_t * key,int write_metadata)1828 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1829 int indexsid,
1830 const uint8_t *key, int write_metadata)
1831 {
1832 MXFContext *mxf = s->priv_data;
1833 AVIOContext *pb = s->pb;
1834 int64_t header_byte_count_offset;
1835 unsigned index_byte_count = 0;
1836 uint64_t partition_offset = avio_tell(pb);
1837 int err;
1838
1839 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1840 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1841 12+mxf->edit_units_count*15;
1842 else if (mxf->edit_unit_byte_count && indexsid)
1843 index_byte_count = 80;
1844
1845 if (index_byte_count) {
1846 index_byte_count += 16 + 4; // add encoded ber4 length
1847 index_byte_count += klv_fill_size(index_byte_count);
1848 }
1849
1850 if (key && !memcmp(key, body_partition_key, 16)) {
1851 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1852 sizeof(*mxf->body_partition_offset))) < 0) {
1853 mxf->body_partitions_count = 0;
1854 return err;
1855 }
1856 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1857 }
1858
1859 // write klv
1860 if (key)
1861 avio_write(pb, key, 16);
1862 else
1863 avio_write(pb, body_partition_key, 16);
1864
1865 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1866
1867 // write partition value
1868 avio_wb16(pb, 1); // majorVersion
1869 avio_wb16(pb, 3); // minorVersion
1870 avio_wb32(pb, KAG_SIZE); // KAGSize
1871
1872 avio_wb64(pb, partition_offset); // ThisPartition
1873
1874 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1875 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1876 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1877 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1878 else
1879 avio_wb64(pb, 0);
1880
1881 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1882
1883 // set offset
1884 header_byte_count_offset = avio_tell(pb);
1885 avio_wb64(pb, 0); // headerByteCount, update later
1886
1887 // indexTable
1888 avio_wb64(pb, index_byte_count); // indexByteCount
1889 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1890
1891 // BodyOffset
1892 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1893 avio_wb64(pb, mxf->body_offset);
1894 else
1895 avio_wb64(pb, 0);
1896
1897 avio_wb32(pb, bodysid); // bodySID
1898
1899 // operational pattern
1900 if (s->oformat == &ff_mxf_opatom_muxer)
1901 avio_write(pb, opatom_ul, 16);
1902 else
1903 avio_write(pb, op1a_ul, 16);
1904
1905 // essence container
1906 mxf_write_essence_container_refs(s);
1907
1908 if (write_metadata) {
1909 // mark the start of the headermetadata and calculate metadata size
1910 int64_t pos, start;
1911 unsigned header_byte_count;
1912
1913 mxf_write_klv_fill(s);
1914 start = avio_tell(s->pb);
1915 mxf_write_primer_pack(s);
1916 mxf_write_klv_fill(s);
1917 mxf_write_header_metadata_sets(s);
1918 pos = avio_tell(s->pb);
1919 header_byte_count = pos - start + klv_fill_size(pos);
1920
1921 // update header_byte_count
1922 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1923 avio_wb64(pb, header_byte_count);
1924 avio_seek(pb, pos, SEEK_SET);
1925 }
1926
1927 if(key)
1928 avio_write_marker(pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
1929
1930 return 0;
1931 }
1932
1933 static const struct {
1934 int profile;
1935 UID codec_ul;
1936 } mxf_prores_codec_uls[] = {
1937 { FF_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
1938 { FF_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
1939 { FF_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
1940 { FF_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
1941 { FF_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
1942 { FF_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
1943 };
1944
mxf_parse_prores_frame(AVFormatContext * s,AVStream * st,AVPacket * pkt)1945 static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1946 {
1947 MXFContext *mxf = s->priv_data;
1948 MXFStreamContext *sc = st->priv_data;
1949 int i, profile;
1950
1951 if (mxf->header_written)
1952 return 1;
1953
1954 sc->codec_ul = NULL;
1955 profile = st->codecpar->profile;
1956 for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
1957 if (profile == mxf_prores_codec_uls[i].profile) {
1958 sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
1959 break;
1960 }
1961 }
1962 if (!sc->codec_ul)
1963 return 0;
1964
1965 sc->frame_size = pkt->size;
1966
1967 return 1;
1968 }
1969
1970 static const struct {
1971 int cid;
1972 UID codec_ul;
1973 } mxf_dnxhd_codec_uls[] = {
1974 { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
1975 { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
1976 { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
1977 { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
1978 { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
1979 { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
1980 { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
1981 { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
1982 { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
1983 { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
1984 { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
1985 { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
1986 { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
1987 { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
1988 { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
1989 { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
1990 { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
1991 { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
1992 { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
1993 { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
1994 };
1995
mxf_parse_dnxhd_frame(AVFormatContext * s,AVStream * st,AVPacket * pkt)1996 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1997 {
1998 MXFContext *mxf = s->priv_data;
1999 MXFStreamContext *sc = st->priv_data;
2000 int i, cid, frame_size = 0;
2001
2002 if (mxf->header_written)
2003 return 1;
2004
2005 if (pkt->size < 43)
2006 return 0;
2007
2008 sc->codec_ul = NULL;
2009 cid = AV_RB32(pkt->data + 0x28);
2010 for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2011 if (cid == mxf_dnxhd_codec_uls[i].cid) {
2012 sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2013 break;
2014 }
2015 }
2016 if (!sc->codec_ul)
2017 return 0;
2018
2019 sc->component_depth = 0;
2020 switch (pkt->data[0x21] >> 5) {
2021 case 1: sc->component_depth = 8; break;
2022 case 2: sc->component_depth = 10; break;
2023 case 3: sc->component_depth = 12; break;
2024 }
2025 if (!sc->component_depth)
2026 return 0;
2027
2028 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
2029 frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
2030 }
2031 if (frame_size < 0)
2032 return 0;
2033
2034 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2035 return 0;
2036
2037 if (cid >= 1270) { // RI raster
2038 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2039 st->codecpar->width, st->codecpar->height,
2040 INT_MAX);
2041 } else {
2042 sc->aspect_ratio = (AVRational){ 16, 9 };
2043 }
2044
2045 sc->frame_size = pkt->size;
2046
2047 return 1;
2048 }
2049
2050 static const struct {
2051 const UID container_ul;
2052 const UID codec_ul;
2053 } mxf_dv_uls[] = {
2054 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
2055 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
2056 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
2057 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
2058 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
2059 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
2060 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
2061 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
2062 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
2063 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
2064 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
2065 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
2066 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
2067 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
2068 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
2069 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
2070 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
2071 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
2072 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
2073 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
2074 };
2075
mxf_parse_dv_frame(AVFormatContext * s,AVStream * st,AVPacket * pkt)2076 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2077 {
2078 MXFContext *mxf = s->priv_data;
2079 MXFStreamContext *sc = st->priv_data;
2080 uint8_t *vs_pack, *vsc_pack;
2081 int apt, ul_index, stype, pal;
2082
2083 if (mxf->header_written)
2084 return 1;
2085
2086 // Check for minimal frame size
2087 if (pkt->size < 120000)
2088 return -1;
2089
2090 apt = pkt->data[4] & 0x7;
2091 vs_pack = pkt->data + 80*5 + 48;
2092 vsc_pack = pkt->data + 80*5 + 53;
2093 stype = vs_pack[3] & 0x1f;
2094 pal = (vs_pack[3] >> 5) & 0x1;
2095
2096 if ((vsc_pack[2] & 0x07) == 0x02) {
2097 sc->aspect_ratio = (AVRational){ 16, 9 };
2098 } else {
2099 sc->aspect_ratio = (AVRational){ 4, 3 };
2100 }
2101
2102 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2103 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2104 // and set field dominance accordingly
2105 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2106
2107 switch (stype) {
2108 case 0x18: // DV100 720p
2109 ul_index = 8+pal;
2110 if (sc->interlaced) {
2111 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2112 sc->interlaced = 0;
2113 }
2114 break;
2115 case 0x14: // DV100 1080i
2116 ul_index = 6+pal;
2117 break;
2118 case 0x04: // DV50
2119 ul_index = 4+pal;
2120 break;
2121 default: // DV25
2122 if (!apt) { // IEC
2123 ul_index = 0+pal;
2124 } else {
2125 ul_index = 2+pal;
2126 }
2127 }
2128
2129 sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
2130 sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
2131
2132 sc->frame_size = pkt->size;
2133
2134 return 1;
2135 }
2136
2137 static const struct {
2138 UID uid;
2139 int frame_size;
2140 int profile;
2141 uint8_t interlaced;
2142 int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2143 } mxf_h264_codec_uls[] = {
2144 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2145 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2146 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2147 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2148 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2149 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2150 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2151 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2152 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i
2153 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i
2154 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p
2155 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p
2156 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p
2157 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p
2158 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2159 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i
2160 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i
2161 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p
2162 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p
2163 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p
2164 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p
2165 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2166 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2167 };
2168
mxf_parse_h264_frame(AVFormatContext * s,AVStream * st,AVPacket * pkt,MXFIndexEntry * e)2169 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2170 AVPacket *pkt, MXFIndexEntry *e)
2171 {
2172 MXFContext *mxf = s->priv_data;
2173 MXFStreamContext *sc = st->priv_data;
2174 H264SPS seq, *const sps = &seq;
2175 GetBitContext gb;
2176 const uint8_t *buf = pkt->data;
2177 const uint8_t *buf_end = pkt->data + pkt->size;
2178 const uint8_t *nal_end;
2179 uint32_t state = -1;
2180 int extra_size = 512; // support AVC Intra files without SPS/PPS header
2181 int i, frame_size, slice_type, has_sps = 0, intra_only = 0, ret;
2182
2183 for (;;) {
2184 buf = avpriv_find_start_code(buf, buf_end, &state);
2185 if (buf >= buf_end)
2186 break;
2187
2188 switch (state & 0x1f) {
2189 case H264_NAL_SPS:
2190 e->flags |= 0x40;
2191
2192 if (mxf->header_written)
2193 break;
2194
2195 nal_end = ff_avc_find_startcode(buf, buf_end);
2196 ret = ff_avc_decode_sps(sps, buf, nal_end - buf);
2197 if (ret < 0) {
2198 av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2199 return 0;
2200 }
2201 has_sps = 1;
2202
2203 sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2204 sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2205 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2206 sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2207 intra_only = (sps->constraint_set_flags >> 3) & 1;
2208 sc->interlaced = !sps->frame_mbs_only_flag;
2209 sc->component_depth = sps->bit_depth_luma;
2210
2211 buf = nal_end;
2212 break;
2213 case H264_NAL_PPS:
2214 if (e->flags & 0x40) { // sequence header present
2215 e->flags |= 0x80; // random access
2216 extra_size = 0;
2217 }
2218 break;
2219 case H264_NAL_IDR_SLICE:
2220 e->flags |= 0x04; // IDR Picture
2221 buf = buf_end;
2222 break;
2223 case H264_NAL_SLICE:
2224 init_get_bits8(&gb, buf, buf_end - buf);
2225 get_ue_golomb_long(&gb); // skip first_mb_in_slice
2226 slice_type = get_ue_golomb_31(&gb);
2227 switch (slice_type % 5) {
2228 case 0:
2229 e->flags |= 0x20; // P Picture
2230 e->flags |= 0x06; // P Picture
2231 break;
2232 case 1:
2233 e->flags |= 0x30; // B Picture
2234 e->flags |= 0x03; // non-referenced B Picture
2235 break;
2236 }
2237 buf = buf_end;
2238 break;
2239 default:
2240 break;
2241 }
2242 }
2243
2244 if (mxf->header_written)
2245 return 1;
2246
2247 if (!has_sps)
2248 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2249 sc->codec_ul = NULL;
2250 frame_size = pkt->size + extra_size;
2251
2252 for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2253 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2254 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2255 sc->component_depth = 10; // AVC Intra is always 10 Bit
2256 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2257 st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2258 sc->avc_intra = 1;
2259 mxf->cbr_index = 1;
2260 sc->frame_size = pkt->size;
2261 if (sc->interlaced)
2262 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2263 break;
2264 } else if (has_sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2265 mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2266 (mxf_h264_codec_uls[i].intra_only < 0 ||
2267 mxf_h264_codec_uls[i].intra_only == intra_only)) {
2268 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2269 st->codecpar->profile = sps->profile_idc;
2270 st->codecpar->level = sps->level_idc;
2271 // continue to check for avc intra
2272 }
2273 }
2274
2275 if (!sc->codec_ul) {
2276 av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2277 return 0;
2278 }
2279
2280 return 1;
2281 }
2282
2283 static const UID mxf_mpeg2_codec_uls[] = {
2284 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2285 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2286 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2287 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2288 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2289 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2290 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2291 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2292 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2294 };
2295
mxf_get_mpeg2_codec_ul(AVCodecParameters * par)2296 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2297 {
2298 int long_gop = 1;
2299
2300 if (par->profile == 4) { // Main
2301 if (par->level == 8) // Main
2302 return &mxf_mpeg2_codec_uls[0+long_gop];
2303 else if (par->level == 4) // High
2304 return &mxf_mpeg2_codec_uls[4+long_gop];
2305 else if (par->level == 6) // High 14
2306 return &mxf_mpeg2_codec_uls[8+long_gop];
2307 } else if (par->profile == 0) { // 422
2308 if (par->level == 5) // Main
2309 return &mxf_mpeg2_codec_uls[2+long_gop];
2310 else if (par->level == 2) // High
2311 return &mxf_mpeg2_codec_uls[6+long_gop];
2312 }
2313 return NULL;
2314 }
2315
mxf_parse_mpeg2_frame(AVFormatContext * s,AVStream * st,AVPacket * pkt,MXFIndexEntry * e)2316 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2317 AVPacket *pkt, MXFIndexEntry *e)
2318 {
2319 MXFStreamContext *sc = st->priv_data;
2320 uint32_t c = -1;
2321 int i;
2322
2323 for(i = 0; i < pkt->size - 4; i++) {
2324 c = (c<<8) + pkt->data[i];
2325 if (c == 0x1b5) {
2326 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2327 st->codecpar->profile = pkt->data[i+1] & 0x07;
2328 st->codecpar->level = pkt->data[i+2] >> 4;
2329 sc->low_delay = pkt->data[i+6] >> 7;
2330 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2331 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2332 if (sc->interlaced)
2333 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2334 break;
2335 }
2336 } else if (c == 0x1b8) { // gop
2337 if (pkt->data[i+4]>>6 & 0x01) { // closed
2338 if (sc->seq_closed_gop == -1)
2339 sc->seq_closed_gop = 1;
2340 sc->closed_gop = 1;
2341 if (e->flags & 0x40) // sequence header present
2342 e->flags |= 0x80; // random access
2343 } else {
2344 sc->seq_closed_gop = 0;
2345 sc->closed_gop = 0;
2346 }
2347 } else if (c == 0x1b3) { // seq
2348 e->flags |= 0x40;
2349 switch ((pkt->data[i+4]>>4) & 0xf) {
2350 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2351 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2352 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2353 default:
2354 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2355 st->codecpar->width, st->codecpar->height, 1024*1024);
2356 }
2357 } else if (c == 0x100) { // pic
2358 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2359 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2360 if (pict_type == 2) { // P-frame
2361 e->flags |= 0x22;
2362 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2363 } else if (pict_type == 3) { // B-frame
2364 if (sc->closed_gop)
2365 e->flags |= 0x13; // only backward prediction
2366 else
2367 e->flags |= 0x33;
2368 sc->temporal_reordering = -1;
2369 } else if (!pict_type) {
2370 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2371 return 0;
2372 }
2373 }
2374 }
2375 if (s->oformat != &ff_mxf_d10_muxer)
2376 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2377 return !!sc->codec_ul;
2378 }
2379
mxf_parse_timestamp(int64_t timestamp64)2380 static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2381 {
2382 time_t timestamp = timestamp64 / 1000000;
2383 struct tm tmbuf;
2384 struct tm *time = gmtime_r(×tamp, &tmbuf);
2385 if (!time)
2386 return 0;
2387 return (uint64_t)(time->tm_year+1900) << 48 |
2388 (uint64_t)(time->tm_mon+1) << 40 |
2389 (uint64_t) time->tm_mday << 32 |
2390 time->tm_hour << 24 |
2391 time->tm_min << 16 |
2392 time->tm_sec << 8 |
2393 (timestamp64 % 1000000) / 4000;
2394 }
2395
mxf_gen_umid(AVFormatContext * s)2396 static void mxf_gen_umid(AVFormatContext *s)
2397 {
2398 MXFContext *mxf = s->priv_data;
2399 uint32_t seed = av_get_random_seed();
2400 uint64_t umid = seed + 0x5294713400000000LL;
2401
2402 AV_WB64(mxf->umid , umid);
2403 AV_WB64(mxf->umid+8, umid>>8);
2404
2405 mxf->instance_number = seed & 0xFFFFFF;
2406 }
2407
mxf_init_timecode(AVFormatContext * s,AVStream * st,AVRational tbc)2408 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational tbc)
2409 {
2410 MXFContext *mxf = s->priv_data;
2411 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2412
2413 if (!ff_mxf_get_content_package_rate(tbc)) {
2414 if (s->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
2415 av_log(s, AV_LOG_ERROR, "Unsupported frame rate %d/%d. Set -strict option to 'unofficial' or lower in order to allow it!\n", tbc.den, tbc.num);
2416 return AVERROR(EINVAL);
2417 } else {
2418 av_log(s, AV_LOG_WARNING, "Unofficial frame rate %d/%d.\n", tbc.den, tbc.num);
2419 }
2420 }
2421
2422 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2423 if (!tcr)
2424 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2425
2426 if (tcr)
2427 return av_timecode_init_from_string(&mxf->tc, av_inv_q(tbc), tcr->value, s);
2428 else
2429 return av_timecode_init(&mxf->tc, av_inv_q(tbc), 0, 0, s);
2430 }
2431
mxf_write_header(AVFormatContext * s)2432 static int mxf_write_header(AVFormatContext *s)
2433 {
2434 MXFContext *mxf = s->priv_data;
2435 int i, ret;
2436 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2437 int64_t timestamp = 0;
2438
2439 if (!s->nb_streams)
2440 return -1;
2441
2442 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2443 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2444 return -1;
2445 }
2446
2447 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2448 mxf->store_user_comments = 0;
2449
2450 for (i = 0; i < s->nb_streams; i++) {
2451 AVStream *st = s->streams[i];
2452 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2453 if (!sc)
2454 return AVERROR(ENOMEM);
2455 st->priv_data = sc;
2456 sc->index = -1;
2457
2458 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2459 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2460 return -1;
2461 }
2462
2463 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2464 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2465 // TODO: should be avg_frame_rate
2466 AVRational tbc = st->time_base;
2467 // Default component depth to 8
2468 sc->component_depth = 8;
2469 sc->h_chroma_sub_sample = 2;
2470 sc->v_chroma_sub_sample = 2;
2471 sc->color_siting = 0xFF;
2472
2473 if (st->codecpar->sample_aspect_ratio.num && st->codecpar->sample_aspect_ratio.den) {
2474 sc->aspect_ratio = av_mul_q(st->codecpar->sample_aspect_ratio,
2475 av_make_q(st->codecpar->width, st->codecpar->height));
2476 }
2477
2478 if (pix_desc) {
2479 sc->component_depth = pix_desc->comp[0].depth;
2480 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2481 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2482 }
2483 switch (ff_choose_chroma_location(s, st)) {
2484 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2485 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2486 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2487 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2488 }
2489
2490 mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc);
2491 mxf->time_base = tbc;
2492 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2493 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2494 return ret;
2495
2496 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2497 sc->seq_closed_gop = -1; // unknown yet
2498 }
2499
2500 sc->video_bit_rate = st->codecpar->bit_rate;
2501
2502 if (s->oformat == &ff_mxf_d10_muxer ||
2503 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2504 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2505 mxf->cbr_index = 1;
2506
2507 if (s->oformat == &ff_mxf_d10_muxer) {
2508 int ntsc = mxf->time_base.den != 25;
2509 int ul_index;
2510
2511 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2512 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2513 return AVERROR(EINVAL);
2514 }
2515 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2516 ul_index = 0;
2517 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) {
2518 ul_index = 1;
2519 } else if (sc->video_bit_rate == 40000000) {
2520 ul_index = 2+ntsc;
2521 } else if (sc->video_bit_rate == 30000000) {
2522 ul_index = 4+ntsc;
2523 } else {
2524 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2525 return -1;
2526 }
2527
2528 sc->codec_ul = &mxf_d10_codec_uls[ul_index];
2529 sc->container_ul = &mxf_d10_container_uls[ul_index];
2530 sc->index = INDEX_D10_VIDEO;
2531 sc->signal_standard = 1;
2532 sc->color_siting = 0;
2533 sc->frame_size = (int64_t)sc->video_bit_rate *
2534 mxf->time_base.num / (8*mxf->time_base.den);
2535 }
2536 if (mxf->signal_standard >= 0)
2537 sc->signal_standard = mxf->signal_standard;
2538 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2539 char bsf_arg[32];
2540 if (st->codecpar->sample_rate != 48000) {
2541 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2542 return -1;
2543 }
2544 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2545 if (s->oformat == &ff_mxf_d10_muxer) {
2546 if (st->index != 1) {
2547 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2548 return -1;
2549 }
2550 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2551 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2552 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2553 }
2554 sc->index = INDEX_D10_AUDIO;
2555 sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul;
2556 sc->frame_size = 4 + 8 * av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * 4;
2557 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2558 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2559
2560 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2561 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2562 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2563 return AVERROR_PATCHWELCOME;
2564 }
2565 if (st->codecpar->channels != 1) {
2566 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2567 return AVERROR(EINVAL);
2568 }
2569
2570 mxf->time_base = st->time_base;
2571 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2572 return ret;
2573
2574 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2575 sc->index = INDEX_WAV;
2576 } else {
2577 mxf->slice_count = 1;
2578 sc->frame_size = st->codecpar->channels *
2579 av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) *
2580 av_get_bits_per_sample(st->codecpar->codec_id) / 8;
2581 }
2582 snprintf(bsf_arg, sizeof(bsf_arg), "r=%d/%d", mxf->tc.rate.num, mxf->tc.rate.den);
2583 ret = ff_stream_add_bitstream_filter(st, "pcm_rechunk", bsf_arg);
2584 if (ret < 0)
2585 return ret;
2586 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
2587 AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
2588 if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
2589 sc->index = INDEX_S436M;
2590 } else {
2591 av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
2592 return -1;
2593 }
2594 if (st->index != s->nb_streams - 1) {
2595 av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
2596 return -1;
2597 }
2598 }
2599
2600 if (sc->index == -1) {
2601 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2602 if (sc->index == -1) {
2603 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2604 "codec not currently supported in container\n", i);
2605 return -1;
2606 }
2607 }
2608
2609 if (!sc->codec_ul)
2610 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2611 if (!sc->container_ul)
2612 sc->container_ul = &mxf_essence_container_uls[sc->index].container_ul;
2613
2614 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2615 sc->track_essence_element_key[15] = present[sc->index];
2616 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2617
2618 if (!present[sc->index])
2619 mxf->essence_container_count++;
2620 present[sc->index]++;
2621 }
2622
2623 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2624 mxf->essence_container_count = 1;
2625 }
2626
2627 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2628 mxf_gen_umid(s);
2629
2630 for (i = 0; i < s->nb_streams; i++) {
2631 MXFStreamContext *sc = s->streams[i]->priv_data;
2632 // update element count
2633 sc->track_essence_element_key[13] = present[sc->index];
2634 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[INDEX_DV].element_ul, 13)) // DV
2635 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2636 else
2637 sc->order = AV_RB32(sc->track_essence_element_key+12);
2638 }
2639
2640 if (ff_parse_creation_time_metadata(s, ×tamp, 0) > 0)
2641 mxf->timestamp = mxf_parse_timestamp(timestamp);
2642 mxf->duration = -1;
2643
2644 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2645 if (!mxf->timecode_track)
2646 return AVERROR(ENOMEM);
2647 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2648 if (!mxf->timecode_track->priv_data)
2649 return AVERROR(ENOMEM);
2650 mxf->timecode_track->index = -1;
2651
2652 return 0;
2653 }
2654
2655 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2656 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 };
2657
mxf_write_system_item(AVFormatContext * s)2658 static void mxf_write_system_item(AVFormatContext *s)
2659 {
2660 MXFContext *mxf = s->priv_data;
2661 AVIOContext *pb = s->pb;
2662 unsigned frame;
2663 uint32_t time_code;
2664 int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
2665
2666 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2667
2668 // write system metadata pack
2669 avio_write(pb, system_metadata_pack_key, 16);
2670 klv_encode_ber4_length(pb, 57);
2671
2672 for (i = 0; i < s->nb_streams; i++) {
2673 if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2674 system_item_bitmap |= 0x4;
2675 else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2676 system_item_bitmap |= 0x2;
2677 }
2678 avio_w8(pb, system_item_bitmap);
2679 avio_w8(pb, mxf->content_package_rate); // content package rate
2680 avio_w8(pb, 0x00); // content package type
2681 avio_wb16(pb, 0x00); // channel handle
2682 avio_wb16(pb, frame & 0xFFFF); // continuity count, supposed to overflow
2683 if (mxf->essence_container_count > 1)
2684 avio_write(pb, multiple_desc_ul, 16);
2685 else {
2686 MXFStreamContext *sc = s->streams[0]->priv_data;
2687 avio_write(pb, *sc->container_ul, 16);
2688 }
2689 avio_w8(pb, 0);
2690 avio_wb64(pb, 0);
2691 avio_wb64(pb, 0); // creation date/time stamp
2692
2693 avio_w8(pb, 0x81); // SMPTE 12M time code
2694 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2695 avio_wb32(pb, time_code);
2696 avio_wb32(pb, 0); // binary group data
2697 avio_wb64(pb, 0);
2698
2699 // write system metadata package set
2700 avio_write(pb, system_metadata_package_set_key, 16);
2701 klv_encode_ber4_length(pb, 35);
2702 avio_w8(pb, 0x83); // UMID
2703 avio_wb16(pb, 0x20);
2704 mxf_write_umid(s, 1);
2705 }
2706
mxf_write_d10_audio_packet(AVFormatContext * s,AVStream * st,AVPacket * pkt)2707 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2708 {
2709 MXFContext *mxf = s->priv_data;
2710 AVIOContext *pb = s->pb;
2711 int frame_size = pkt->size / st->codecpar->block_align;
2712 uint8_t *samples = pkt->data;
2713 uint8_t *end = pkt->data + pkt->size;
2714 int i;
2715
2716 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2717
2718 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2719 avio_wl16(pb, frame_size);
2720 avio_w8(pb, (1<<st->codecpar->channels)-1);
2721
2722 while (samples < end) {
2723 for (i = 0; i < st->codecpar->channels; i++) {
2724 uint32_t sample;
2725 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2726 sample = AV_RL24(samples)<< 4;
2727 samples += 3;
2728 } else {
2729 sample = AV_RL16(samples)<<12;
2730 samples += 2;
2731 }
2732 avio_wl32(pb, sample | i);
2733 }
2734 for (; i < 8; i++)
2735 avio_wl32(pb, i);
2736 }
2737 }
2738
mxf_write_opatom_body_partition(AVFormatContext * s)2739 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2740 {
2741 MXFContext *mxf = s->priv_data;
2742 AVIOContext *pb = s->pb;
2743 AVStream *st = s->streams[0];
2744 MXFStreamContext *sc = st->priv_data;
2745 const uint8_t *key = NULL;
2746
2747 int err;
2748
2749 if (!mxf->header_written)
2750 key = body_partition_key;
2751
2752 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2753 return err;
2754 mxf_write_klv_fill(s);
2755 avio_write(pb, sc->track_essence_element_key, 16);
2756 klv_encode_ber9_length(pb, mxf->body_offset);
2757 return 0;
2758 }
2759
mxf_write_opatom_packet(AVFormatContext * s,AVPacket * pkt,MXFIndexEntry * ie)2760 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2761 {
2762 MXFContext *mxf = s->priv_data;
2763 AVIOContext *pb = s->pb;
2764
2765 int err;
2766
2767 if (!mxf->header_written) {
2768 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2769 return err;
2770 mxf_write_klv_fill(s);
2771
2772 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2773 return err;
2774 mxf->header_written = 1;
2775 }
2776
2777 if (!mxf->edit_unit_byte_count) {
2778 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2779 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2780 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2781 }
2782 mxf->edit_units_count++;
2783 avio_write(pb, pkt->data, pkt->size);
2784 mxf->body_offset += pkt->size;
2785
2786 return 0;
2787 }
2788
mxf_compute_edit_unit_byte_count(AVFormatContext * s)2789 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
2790 {
2791 MXFContext *mxf = s->priv_data;
2792 int i;
2793
2794 if (s->oformat == &ff_mxf_opatom_muxer) {
2795 MXFStreamContext *sc = s->streams[0]->priv_data;
2796 mxf->edit_unit_byte_count = sc->frame_size;
2797 return;
2798 }
2799
2800 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2801 for (i = 0; i < s->nb_streams; i++) {
2802 AVStream *st = s->streams[i];
2803 MXFStreamContext *sc = st->priv_data;
2804 sc->slice_offset = mxf->edit_unit_byte_count;
2805 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2806 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2807 }
2808 }
2809
mxf_write_packet(AVFormatContext * s,AVPacket * pkt)2810 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2811 {
2812 MXFContext *mxf = s->priv_data;
2813 AVIOContext *pb = s->pb;
2814 AVStream *st = s->streams[pkt->stream_index];
2815 MXFStreamContext *sc = st->priv_data;
2816 MXFIndexEntry ie = {0};
2817 int err;
2818
2819 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2820 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2821 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2822 mxf->edit_units_count = 0;
2823 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2824 return err;
2825 }
2826 }
2827
2828 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2829 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2830 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2831 return -1;
2832 }
2833 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2834 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2835 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2836 return -1;
2837 }
2838 } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
2839 if (!mxf_parse_prores_frame(s, st, pkt)) {
2840 av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
2841 return -1;
2842 }
2843 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2844 if (!mxf_parse_dv_frame(s, st, pkt)) {
2845 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2846 return -1;
2847 }
2848 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2849 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2850 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2851 return -1;
2852 }
2853 }
2854
2855 if (mxf->cbr_index) {
2856 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2857 av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2858 st->index, pkt->size, sc->frame_size);
2859 return -1;
2860 }
2861 if (!mxf->header_written)
2862 mxf_compute_edit_unit_byte_count(s);
2863 }
2864
2865 if (s->oformat == &ff_mxf_opatom_muxer)
2866 return mxf_write_opatom_packet(s, pkt, &ie);
2867
2868 if (!mxf->header_written) {
2869 if (mxf->edit_unit_byte_count) {
2870 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2871 return err;
2872 mxf_write_klv_fill(s);
2873 mxf_write_index_table_segment(s);
2874 } else {
2875 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2876 return err;
2877 }
2878 mxf->header_written = 1;
2879 }
2880
2881 if (st->index == 0) {
2882 if (!mxf->edit_unit_byte_count &&
2883 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2884 !(ie.flags & 0x33)) { // I-frame, GOP start
2885 mxf_write_klv_fill(s);
2886 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2887 return err;
2888 mxf_write_klv_fill(s);
2889 mxf_write_index_table_segment(s);
2890 }
2891
2892 mxf_write_klv_fill(s);
2893 mxf_write_system_item(s);
2894
2895 if (!mxf->edit_unit_byte_count) {
2896 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2897 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2898 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2899 mxf->body_offset += KAG_SIZE; // size of system element
2900 }
2901 mxf->edit_units_count++;
2902 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2903 if (!mxf->edit_units_count) {
2904 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2905 return AVERROR_PATCHWELCOME;
2906 }
2907 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2908 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2909 }
2910
2911 mxf_write_klv_fill(s);
2912 avio_write(pb, sc->track_essence_element_key, 16); // write key
2913 if (s->oformat == &ff_mxf_d10_muxer &&
2914 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2915 mxf_write_d10_audio_packet(s, st, pkt);
2916 } else {
2917 klv_encode_ber4_length(pb, pkt->size); // write length
2918 avio_write(pb, pkt->data, pkt->size);
2919 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2920 }
2921
2922 return 0;
2923 }
2924
mxf_write_random_index_pack(AVFormatContext * s)2925 static void mxf_write_random_index_pack(AVFormatContext *s)
2926 {
2927 MXFContext *mxf = s->priv_data;
2928 AVIOContext *pb = s->pb;
2929 uint64_t pos = avio_tell(pb);
2930 int i;
2931
2932 avio_write(pb, random_index_pack_key, 16);
2933 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2934
2935 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2936 avio_wb32(pb, 1); // BodySID of header partition
2937 else
2938 avio_wb32(pb, 0);
2939 avio_wb64(pb, 0); // offset of header partition
2940
2941 for (i = 0; i < mxf->body_partitions_count; i++) {
2942 avio_wb32(pb, 1); // BodySID
2943 avio_wb64(pb, mxf->body_partition_offset[i]);
2944 }
2945
2946 avio_wb32(pb, 0); // BodySID of footer partition
2947 avio_wb64(pb, mxf->footer_partition_offset);
2948
2949 avio_wb32(pb, avio_tell(pb) - pos + 4);
2950 }
2951
mxf_write_footer(AVFormatContext * s)2952 static int mxf_write_footer(AVFormatContext *s)
2953 {
2954 MXFContext *mxf = s->priv_data;
2955 AVIOContext *pb = s->pb;
2956 int i, err;
2957
2958 if (!mxf->header_written ||
2959 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2960 /* reason could be invalid options/not supported codec/out of memory */
2961 return AVERROR_UNKNOWN;
2962 }
2963
2964 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2965
2966 mxf_write_klv_fill(s);
2967 mxf->footer_partition_offset = avio_tell(pb);
2968 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2969 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2970 return err;
2971 } else {
2972 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2973 return err;
2974 mxf_write_klv_fill(s);
2975 mxf_write_index_table_segment(s);
2976 }
2977
2978 mxf_write_klv_fill(s);
2979 mxf_write_random_index_pack(s);
2980
2981 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2982 if (s->oformat == &ff_mxf_opatom_muxer) {
2983 /* rewrite body partition to update lengths */
2984 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2985 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2986 return err;
2987 }
2988
2989 avio_seek(pb, 0, SEEK_SET);
2990 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2991 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2992 return err;
2993 mxf_write_klv_fill(s);
2994 mxf_write_index_table_segment(s);
2995 } else {
2996 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2997 return err;
2998 }
2999 // update footer partition offset
3000 for (i = 0; i < mxf->body_partitions_count; i++) {
3001 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3002 avio_wb64(pb, mxf->footer_partition_offset);
3003 }
3004 }
3005
3006 return 0;
3007 }
3008
mxf_deinit(AVFormatContext * s)3009 static void mxf_deinit(AVFormatContext *s)
3010 {
3011 MXFContext *mxf = s->priv_data;
3012
3013 av_freep(&mxf->index_entries);
3014 av_freep(&mxf->body_partition_offset);
3015 if (mxf->timecode_track) {
3016 av_freep(&mxf->timecode_track->priv_data);
3017 av_freep(&mxf->timecode_track);
3018 }
3019 }
3020
mxf_interleave_get_packet(AVFormatContext * s,AVPacket * out,AVPacket * pkt,int flush)3021 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3022 {
3023 int i, stream_count = 0;
3024
3025 for (i = 0; i < s->nb_streams; i++)
3026 stream_count += !!s->streams[i]->last_in_packet_buffer;
3027
3028 if (stream_count && (s->nb_streams == stream_count || flush)) {
3029 AVPacketList *pktl = s->internal->packet_buffer;
3030 if (s->nb_streams != stream_count) {
3031 AVPacketList *last = NULL;
3032 // find last packet in edit unit
3033 while (pktl) {
3034 if (!stream_count || pktl->pkt.stream_index == 0)
3035 break;
3036 // update last packet in packet buffer
3037 if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
3038 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
3039 last = pktl;
3040 pktl = pktl->next;
3041 stream_count--;
3042 }
3043 // purge packet queue
3044 while (pktl) {
3045 AVPacketList *next = pktl->next;
3046 av_packet_unref(&pktl->pkt);
3047 av_freep(&pktl);
3048 pktl = next;
3049 }
3050 if (last)
3051 last->next = NULL;
3052 else {
3053 s->internal->packet_buffer = NULL;
3054 s->internal->packet_buffer_end= NULL;
3055 goto out;
3056 }
3057 pktl = s->internal->packet_buffer;
3058 }
3059
3060 *out = pktl->pkt;
3061 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3062 s->internal->packet_buffer = pktl->next;
3063 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
3064 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
3065 if(!s->internal->packet_buffer)
3066 s->internal->packet_buffer_end= NULL;
3067 av_freep(&pktl);
3068 return 1;
3069 } else {
3070 out:
3071 return 0;
3072 }
3073 }
3074
mxf_compare_timestamps(AVFormatContext * s,const AVPacket * next,const AVPacket * pkt)3075 static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next,
3076 const AVPacket *pkt)
3077 {
3078 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3079 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3080
3081 return next->dts > pkt->dts ||
3082 (next->dts == pkt->dts && sc->order < sc2->order);
3083 }
3084
mxf_interleave(AVFormatContext * s,AVPacket * out,AVPacket * pkt,int flush)3085 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3086 {
3087 int ret;
3088 if (pkt) {
3089 MXFStreamContext *sc = s->streams[pkt->stream_index]->priv_data;
3090 pkt->pts = pkt->dts = sc->pkt_cnt++;
3091 if ((ret = ff_interleave_add_packet(s, pkt, mxf_compare_timestamps)) < 0)
3092 return ret;
3093 }
3094 return mxf_interleave_get_packet(s, out, NULL, flush);
3095 }
3096
3097 #define MXF_COMMON_OPTIONS \
3098 { "signal_standard", "Force/set Signal Standard",\
3099 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3100 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3101 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3102 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3103 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3104 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3105 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3106 { "smpte274m", "SMPTE 274M (1125 line)",\
3107 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3108 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3109 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3110 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3111 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3112 { "smpte428", "SMPTE 428-1 DCDM",\
3113 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3114
3115
3116
3117 static const AVOption mxf_options[] = {
3118 MXF_COMMON_OPTIONS
3119 { "store_user_comments", "",
3120 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3121 { NULL },
3122 };
3123
3124 static const AVClass mxf_muxer_class = {
3125 .class_name = "MXF muxer",
3126 .item_name = av_default_item_name,
3127 .option = mxf_options,
3128 .version = LIBAVUTIL_VERSION_INT,
3129 };
3130
3131 static const AVOption d10_options[] = {
3132 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3133 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3134 MXF_COMMON_OPTIONS
3135 { "store_user_comments", "",
3136 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3137 { NULL },
3138 };
3139
3140 static const AVClass mxf_d10_muxer_class = {
3141 .class_name = "MXF-D10 muxer",
3142 .item_name = av_default_item_name,
3143 .option = d10_options,
3144 .version = LIBAVUTIL_VERSION_INT,
3145 };
3146
3147 static const AVOption opatom_options[] = {
3148 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3149 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3150 MXF_COMMON_OPTIONS
3151 { "store_user_comments", "",
3152 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3153 { NULL },
3154 };
3155
3156 static const AVClass mxf_opatom_muxer_class = {
3157 .class_name = "MXF-OPAtom muxer",
3158 .item_name = av_default_item_name,
3159 .option = opatom_options,
3160 .version = LIBAVUTIL_VERSION_INT,
3161 };
3162
3163 AVOutputFormat ff_mxf_muxer = {
3164 .name = "mxf",
3165 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3166 .mime_type = "application/mxf",
3167 .extensions = "mxf",
3168 .priv_data_size = sizeof(MXFContext),
3169 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3170 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3171 .write_header = mxf_write_header,
3172 .write_packet = mxf_write_packet,
3173 .write_trailer = mxf_write_footer,
3174 .deinit = mxf_deinit,
3175 .flags = AVFMT_NOTIMESTAMPS,
3176 .interleave_packet = mxf_interleave,
3177 .priv_class = &mxf_muxer_class,
3178 };
3179
3180 AVOutputFormat ff_mxf_d10_muxer = {
3181 .name = "mxf_d10",
3182 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3183 .mime_type = "application/mxf",
3184 .priv_data_size = sizeof(MXFContext),
3185 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3186 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3187 .write_header = mxf_write_header,
3188 .write_packet = mxf_write_packet,
3189 .write_trailer = mxf_write_footer,
3190 .deinit = mxf_deinit,
3191 .flags = AVFMT_NOTIMESTAMPS,
3192 .interleave_packet = mxf_interleave,
3193 .priv_class = &mxf_d10_muxer_class,
3194 };
3195
3196 AVOutputFormat ff_mxf_opatom_muxer = {
3197 .name = "mxf_opatom",
3198 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3199 .mime_type = "application/mxf",
3200 .extensions = "mxf",
3201 .priv_data_size = sizeof(MXFContext),
3202 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3203 .video_codec = AV_CODEC_ID_DNXHD,
3204 .write_header = mxf_write_header,
3205 .write_packet = mxf_write_packet,
3206 .write_trailer = mxf_write_footer,
3207 .deinit = mxf_deinit,
3208 .flags = AVFMT_NOTIMESTAMPS,
3209 .interleave_packet = mxf_interleave,
3210 .priv_class = &mxf_opatom_muxer_class,
3211 };
3212