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Imported Debian version 2.5.0~trusty1.1
[deb_ffmpeg.git] / ffmpeg / libavformat / mxfenc.c
CommitLineData
2ba45a60
DM		 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 * References
25 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
26 * SMPTE 377M MXF File Format Specifications
27 * SMPTE 379M MXF Generic Container
28 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
f6fa7814 29 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
2ba45a60
DM		 30 * SMPTE RP210: SMPTE Metadata Dictionary
31 * SMPTE RP224: Registry of SMPTE Universal Labels
32 */
33
34#include <inttypes.h>
35#include <math.h>
36#include <time.h>
37
38#include "libavutil/opt.h"
39#include "libavutil/random_seed.h"
40#include "libavutil/timecode.h"
41#include "libavutil/avassert.h"
f6fa7814 42#include "libavutil/time_internal.h"
2ba45a60
DM		 43#include "libavcodec/bytestream.h"
44#include "libavcodec/dnxhddata.h"
f6fa7814
DM		 45#include "libavcodec/h264.h"
46#include "libavcodec/internal.h"
2ba45a60
DM		 47#include "audiointerleave.h"
48#include "avformat.h"
49#include "avio_internal.h"
50#include "internal.h"
51#include "mxf.h"
52#include "config.h"
53
54extern AVOutputFormat ff_mxf_d10_muxer;
55
56#define EDIT_UNITS_PER_BODY 250
57#define KAG_SIZE 512
58
59typedef struct {
60 int local_tag;
61 UID uid;
62} MXFLocalTagPair;
63
64typedef struct {
65 uint8_t flags;
66 uint64_t offset;
67 unsigned slice_offset; ///< offset of audio slice
68 uint16_t temporal_ref;
69} MXFIndexEntry;
70
71typedef struct {
72 AudioInterleaveContext aic;
73 UID track_essence_element_key;
74 int index; ///< index in mxf_essence_container_uls table
75 const UID *codec_ul;
76 int order; ///< interleaving order if dts are equal
77 int interlaced; ///< whether picture is interlaced
78 int field_dominance; ///< tff=1, bff=2
79 int component_depth;
80 int temporal_reordering;
81 AVRational aspect_ratio; ///< display aspect ratio
82 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
83 int video_bit_rate;
84} MXFStreamContext;
85
86typedef struct {
87 UID container_ul;
88 UID element_ul;
89 UID codec_ul;
90 void (*write_desc)(AVFormatContext *, AVStream *);
91} MXFContainerEssenceEntry;
92
93static const struct {
94 enum AVCodecID id;
95 int index;
96} mxf_essence_mappings[] = {
97 { AV_CODEC_ID_MPEG2VIDEO, 0 },
98 { AV_CODEC_ID_PCM_S24LE, 1 },
99 { AV_CODEC_ID_PCM_S16LE, 1 },
100 { AV_CODEC_ID_DVVIDEO, 15 },
101 { AV_CODEC_ID_DNXHD, 24 },
f6fa7814
DM		 102 { AV_CODEC_ID_JPEG2000, 34 },
103 { AV_CODEC_ID_H264, 35 },
2ba45a60
DM		 104 { AV_CODEC_ID_NONE }
105};
106
107static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
108static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
109static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
110static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
111static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
112
113static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
114 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
115 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
116 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
117 mxf_write_mpegvideo_desc },
118 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
119 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
120 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
121 mxf_write_aes3_desc },
122 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
123 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
124 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
125 mxf_write_wav_desc },
126 // D-10 625/50 PAL 50mb/s
127 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
128 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
129 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
130 mxf_write_cdci_desc },
131 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
132 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
133 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
134 mxf_write_generic_sound_desc },
135 // D-10 525/60 NTSC 50mb/s
136 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
137 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
138 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
139 mxf_write_cdci_desc },
140 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
141 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
142 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
143 mxf_write_generic_sound_desc },
144 // D-10 625/50 PAL 40mb/s
145 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
146 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
147 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
148 mxf_write_cdci_desc },
149 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
150 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
151 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
152 mxf_write_generic_sound_desc },
153 // D-10 525/60 NTSC 40mb/s
154 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
155 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
156 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
157 mxf_write_cdci_desc },
158 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
159 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
160 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
161 mxf_write_generic_sound_desc },
162 // D-10 625/50 PAL 30mb/s
163 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
164 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
165 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
166 mxf_write_cdci_desc },
167 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
168 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
169 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
170 mxf_write_generic_sound_desc },
171 // D-10 525/60 NTSC 30mb/s
172 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
173 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
174 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
175 mxf_write_cdci_desc },
176 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
177 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
178 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
179 mxf_write_generic_sound_desc },
180 // DV Unknown
181 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
182 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
183 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
184 mxf_write_cdci_desc },
185 // DV25 525/60
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
189 mxf_write_cdci_desc },
190 // DV25 625/50
191 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
192 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
193 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
194 mxf_write_cdci_desc },
195 // DV50 525/60
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
199 mxf_write_cdci_desc },
200 // DV50 625/50
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
204 mxf_write_cdci_desc },
205 // DV100 1080/60
206 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
207 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
209 mxf_write_cdci_desc },
210 // DV100 1080/50
211 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
212 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
213 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
214 mxf_write_cdci_desc },
215 // DV100 720/60
216 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
217 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
219 mxf_write_cdci_desc },
220 // DV100 720/50
221 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
222 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
224 mxf_write_cdci_desc },
225 // DNxHD 1080p 10bit high
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
229 mxf_write_cdci_desc },
230 // DNxHD 1080p 8bit medium
231 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
232 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
233 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
234 mxf_write_cdci_desc },
235 // DNxHD 1080p 8bit high
236 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
238 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
239 mxf_write_cdci_desc },
240 // DNxHD 1080i 10bit high
241 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
242 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
243 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
244 mxf_write_cdci_desc },
245 // DNxHD 1080i 8bit medium
246 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
247 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
248 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
249 mxf_write_cdci_desc },
250 // DNxHD 1080i 8bit high
251 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
252 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
253 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
254 mxf_write_cdci_desc },
255 // DNxHD 720p 10bit
256 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
257 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
258 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
259 mxf_write_cdci_desc },
260 // DNxHD 720p 8bit high
261 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
262 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
263 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
264 mxf_write_cdci_desc },
265 // DNxHD 720p 8bit medium
266 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
267 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
268 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
269 mxf_write_cdci_desc },
270 // DNxHD 720p 8bit low
271 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
272 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
273 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
274 mxf_write_cdci_desc },
f6fa7814
DM		 275 // JPEG2000
276 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
277 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
278 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
279 mxf_write_cdci_desc },
280 // H.264
281 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
282 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
283 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
284 mxf_write_mpegvideo_desc },
2ba45a60
DM		 285 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
286 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
287 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
288 NULL },
289};
290
291typedef struct MXFContext {
292 AVClass *av_class;
293 int64_t footer_partition_offset;
294 int essence_container_count;
295 AVRational time_base;
296 int header_written;
297 MXFIndexEntry *index_entries;
298 unsigned edit_units_count;
299 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
300 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
301 int last_indexed_edit_unit;
302 uint64_t *body_partition_offset;
303 unsigned body_partitions_count;
304 int last_key_index; ///< index of last key frame
305 uint64_t duration;
306 AVTimecode tc; ///< timecode context
307 AVStream *timecode_track;
308 int timecode_base; ///< rounded time code base (25 or 30)
309 int edit_unit_byte_count; ///< fixed edit unit byte count
310 uint64_t body_offset;
311 uint32_t instance_number;
312 uint8_t umid[16]; ///< unique material identifier
313 int channel_count;
314} MXFContext;
315
316static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
317static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
318
319/**
320 * complete key for operation pattern, partitions, and primer pack
321 */
322static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
323static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
324static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
325static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
326static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
327static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
328static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
329static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
330static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
331
332/**
333 * partial key for header metadata
334 */
335static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
336static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
337
338/**
339 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
340 */
341static const MXFLocalTagPair mxf_local_tag_batch[] = {
342 // preface set
343 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
344 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
345 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
346 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
347 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
348 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
349 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
350 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
351 // Identification
352 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
353 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
354 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
355 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
356 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
357 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
358 // Content Storage
359 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
360 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
361 // Essence Container Data
362 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
363 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
364 // Package
365 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
366 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
367 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
368 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
369 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
370 // Track
371 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
372 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
373 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
374 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
375 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
376 // Sequence
377 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
378 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
379 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
380 // Source Clip
381 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
382 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
383 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
384 // Timecode Component
385 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
386 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
387 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
388 // File Descriptor
389 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
390 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
391 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
392 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
393 // Generic Picture Essence Descriptor
394 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
395 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
396 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
397 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
398 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
399 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
400 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
401 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
402 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
403 // CDCI Picture Essence Descriptor
404 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
405 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
406 // Generic Sound Essence Descriptor
407 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
408 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
409 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
410 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
411 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
412 // Index Table Segment
413 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
414 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
415 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
416 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
417 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
418 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
419 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
420 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
421 // MPEG video Descriptor
422 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
423 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
424 // Wave Audio Essence Descriptor
425 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
426 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
427};
428
429static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
430{
431 avio_write(pb, uuid_base, 12);
432 avio_wb16(pb, type);
433 avio_wb16(pb, value);
434}
435
436static void mxf_write_umid(AVFormatContext *s, int type)
437{
438 MXFContext *mxf = s->priv_data;
439 avio_write(s->pb, umid_ul, 13);
440 avio_wb24(s->pb, mxf->instance_number);
441 avio_write(s->pb, mxf->umid, 15);
442 avio_w8(s->pb, type);
443}
444
445static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
446{
447 avio_wb32(pb, ref_count);
448 avio_wb32(pb, 16);
449}
450
451static int klv_ber_length(uint64_t len)
452{
453 if (len < 128)
454 return 1;
455 else
456 return (av_log2(len) >> 3) + 2;
457}
458
459static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
460{
461 // Determine the best BER size
462 int size;
463 if (len < 128) {
464 //short form
465 avio_w8(pb, len);
466 return 1;
467 }
468
469 size = (av_log2(len) >> 3) + 1;
470
471 // long form
472 avio_w8(pb, 0x80 + size);
473 while(size) {
474 size--;
475 avio_w8(pb, len >> 8 * size & 0xff);
476 }
477 return 0;
478}
479
480static void klv_encode_ber4_length(AVIOContext *pb, int len)
481{
482 avio_w8(pb, 0x80 + 3);
483 avio_wb24(pb, len);
484}
485
486/*
487 * Get essence container ul index
488 */
489static 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
498static void mxf_write_primer_pack(AVFormatContext *s)
499{
500 AVIOContext *pb = s->pb;
501 int local_tag_number, i = 0;
502
503 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
504
505 avio_write(pb, primer_pack_key, 16);
506 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
507
508 avio_wb32(pb, local_tag_number); // local_tag num
509 avio_wb32(pb, 18); // item size, always 18 according to the specs
510
511 for (i = 0; i < local_tag_number; i++) {
512 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
513 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
514 }
515}
516
517static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
518{
519 avio_wb16(pb, tag);
520 avio_wb16(pb, size);
521}
522
523static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
524{
525 avio_write(pb, header_metadata_key, 13);
526 avio_wb24(pb, value);
527}
528
529static void mxf_free(AVFormatContext *s)
530{
531 int i;
532
533 for (i = 0; i < s->nb_streams; i++) {
534 AVStream *st = s->streams[i];
535 av_freep(&st->priv_data);
536 }
537}
538
539static const MXFCodecUL *mxf_get_data_definition_ul(int type)
540{
541 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
542 while (uls->uid[0]) {
543 if (type == uls->id)
544 break;
545 uls++;
546 }
547 return uls;
548}
549
550//one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
551#define DESCRIPTOR_COUNT(essence_container_count) \
552 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
553
554static void mxf_write_essence_container_refs(AVFormatContext *s)
555{
556 MXFContext *c = s->priv_data;
557 AVIOContext *pb = s->pb;
558 int i;
559
560 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
561 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
562 for (i = 0; i < c->essence_container_count; i++) {
563 MXFStreamContext *sc = s->streams[i]->priv_data;
564 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
565 }
566
567 if (c->essence_container_count > 1)
568 avio_write(pb, multiple_desc_ul, 16);
569}
570
571static void mxf_write_preface(AVFormatContext *s)
572{
573 MXFContext *mxf = s->priv_data;
574 AVIOContext *pb = s->pb;
575
576 mxf_write_metadata_key(pb, 0x012f00);
577 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
578 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
579
580 // write preface set uid
581 mxf_write_local_tag(pb, 16, 0x3C0A);
582 mxf_write_uuid(pb, Preface, 0);
583 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
584
585 // last modified date
586 mxf_write_local_tag(pb, 8, 0x3B02);
587 avio_wb64(pb, mxf->timestamp);
588
589 // write version
590 mxf_write_local_tag(pb, 2, 0x3B05);
591 avio_wb16(pb, 258); // v1.2
592
593 // write identification_refs
594 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
595 mxf_write_refs_count(pb, 1);
596 mxf_write_uuid(pb, Identification, 0);
597
598 // write content_storage_refs
599 mxf_write_local_tag(pb, 16, 0x3B03);
600 mxf_write_uuid(pb, ContentStorage, 0);
601
602 // operational pattern
603 mxf_write_local_tag(pb, 16, 0x3B09);
604 avio_write(pb, op1a_ul, 16);
605
606 // write essence_container_refs
607 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
608 mxf_write_essence_container_refs(s);
609
610 // write dm_scheme_refs
611 mxf_write_local_tag(pb, 8, 0x3B0B);
612 avio_wb64(pb, 0);
613}
614
615/*
616 * Write a local tag containing an ascii string as utf-16
617 */
618static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
619{
620 int i, size = strlen(value);
621 mxf_write_local_tag(pb, size*2, tag);
622 for (i = 0; i < size; i++)
623 avio_wb16(pb, value[i]);
624}
625
626static void mxf_write_identification(AVFormatContext *s)
627{
628 MXFContext *mxf = s->priv_data;
629 AVIOContext *pb = s->pb;
630 const char *company = "FFmpeg";
631 const char *product = "OP1a Muxer";
632 const char *version;
633 int length;
634
635 mxf_write_metadata_key(pb, 0x013000);
636 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
637
638 version = s->flags & AVFMT_FLAG_BITEXACT ?
639 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
640 length = 84 + (strlen(company)+strlen(product)+strlen(version))*2; // utf-16
641 klv_encode_ber_length(pb, length);
642
643 // write uid
644 mxf_write_local_tag(pb, 16, 0x3C0A);
645 mxf_write_uuid(pb, Identification, 0);
646 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
647
648 // write generation uid
649 mxf_write_local_tag(pb, 16, 0x3C09);
650 mxf_write_uuid(pb, Identification, 1);
651
652 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
653 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
654 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
655
656 // write product uid
657 mxf_write_local_tag(pb, 16, 0x3C05);
658 mxf_write_uuid(pb, Identification, 2);
659
660 // modification date
661 mxf_write_local_tag(pb, 8, 0x3C06);
662 avio_wb64(pb, mxf->timestamp);
663}
664
665static void mxf_write_content_storage(AVFormatContext *s)
666{
667 AVIOContext *pb = s->pb;
668
669 mxf_write_metadata_key(pb, 0x011800);
670 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
671 klv_encode_ber_length(pb, 92);
672
673 // write uid
674 mxf_write_local_tag(pb, 16, 0x3C0A);
675 mxf_write_uuid(pb, ContentStorage, 0);
676 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
677
678 // write package reference
679 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
680 mxf_write_refs_count(pb, 2);
681 mxf_write_uuid(pb, MaterialPackage, 0);
682 mxf_write_uuid(pb, SourcePackage, 0);
683
684 // write essence container data
685 mxf_write_local_tag(pb, 8 + 16, 0x1902);
686 mxf_write_refs_count(pb, 1);
687 mxf_write_uuid(pb, EssenceContainerData, 0);
688}
689
690static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
691{
692 MXFContext *mxf = s->priv_data;
693 AVIOContext *pb = s->pb;
694 MXFStreamContext *sc = st->priv_data;
695
696 mxf_write_metadata_key(pb, 0x013b00);
697 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
698 klv_encode_ber_length(pb, 80);
699
700 // write track uid
701 mxf_write_local_tag(pb, 16, 0x3C0A);
702 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
703 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
704
705 // write track id
706 mxf_write_local_tag(pb, 4, 0x4801);
707 avio_wb32(pb, st->index+2);
708
709 // write track number
710 mxf_write_local_tag(pb, 4, 0x4804);
711 if (type == MaterialPackage)
712 avio_wb32(pb, 0); // track number of material package is 0
713 else
714 avio_write(pb, sc->track_essence_element_key + 12, 4);
715
716 mxf_write_local_tag(pb, 8, 0x4B01);
717 avio_wb32(pb, mxf->time_base.den);
718 avio_wb32(pb, mxf->time_base.num);
719
720 // write origin
721 mxf_write_local_tag(pb, 8, 0x4B02);
722 avio_wb64(pb, 0);
723
724 // write sequence refs
725 mxf_write_local_tag(pb, 16, 0x4803);
726 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
727}
728
729static 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 };
730
731static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
732{
733 MXFContext *mxf = s->priv_data;
734 AVIOContext *pb = s->pb;
735
736 // find data define uls
737 mxf_write_local_tag(pb, 16, 0x0201);
738 if (st == mxf->timecode_track)
739 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
740 else {
741 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
742 avio_write(pb, data_def_ul->uid, 16);
743 }
744
745 // write duration
746 mxf_write_local_tag(pb, 8, 0x0202);
747 avio_wb64(pb, mxf->duration);
748}
749
750static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
751{
752 MXFContext *mxf = s->priv_data;
753 AVIOContext *pb = s->pb;
754 enum MXFMetadataSetType component;
755
756 mxf_write_metadata_key(pb, 0x010f00);
757 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
758 klv_encode_ber_length(pb, 80);
759
760 mxf_write_local_tag(pb, 16, 0x3C0A);
761 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
762
763 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
764 mxf_write_common_fields(s, st);
765
766 // write structural component
767 mxf_write_local_tag(pb, 16 + 8, 0x1001);
768 mxf_write_refs_count(pb, 1);
769 if (st == mxf->timecode_track)
770 component = TimecodeComponent;
771 else
772 component = SourceClip;
773 if (type == SourcePackage)
774 component += TypeBottom;
775 mxf_write_uuid(pb, component, st->index);
776}
777
778static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
779{
780 MXFContext *mxf = s->priv_data;
781 AVIOContext *pb = s->pb;
782
783 mxf_write_metadata_key(pb, 0x011400);
784 klv_encode_ber_length(pb, 75);
785
786 // UID
787 mxf_write_local_tag(pb, 16, 0x3C0A);
788 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
789 TimecodeComponent + TypeBottom, st->index);
790
791 mxf_write_common_fields(s, st);
792
793 // Start Time Code
794 mxf_write_local_tag(pb, 8, 0x1501);
795 avio_wb64(pb, mxf->tc.start);
796
797 // Rounded Time Code Base
798 mxf_write_local_tag(pb, 2, 0x1502);
799 avio_wb16(pb, mxf->timecode_base);
800
801 // Drop Frame
802 mxf_write_local_tag(pb, 1, 0x1503);
803 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
804}
805
806static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
807{
808 AVIOContext *pb = s->pb;
809 int i;
810
811 mxf_write_metadata_key(pb, 0x011100);
812 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
813 klv_encode_ber_length(pb, 108);
814
815 // write uid
816 mxf_write_local_tag(pb, 16, 0x3C0A);
817 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
818
819 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
820 mxf_write_common_fields(s, st);
821
822 // write start_position
823 mxf_write_local_tag(pb, 8, 0x1201);
824 avio_wb64(pb, 0);
825
826 // write source package uid, end of the reference
827 mxf_write_local_tag(pb, 32, 0x1101);
828 if (type == SourcePackage) {
829 for (i = 0; i < 4; i++)
830 avio_wb64(pb, 0);
831 } else
832 mxf_write_umid(s, 1);
833
834 // write source track id
835 mxf_write_local_tag(pb, 4, 0x1102);
836 if (type == SourcePackage)
837 avio_wb32(pb, 0);
838 else
839 avio_wb32(pb, st->index+2);
840}
841
842static void mxf_write_multi_descriptor(AVFormatContext *s)
843{
844 MXFContext *mxf = s->priv_data;
845 AVIOContext *pb = s->pb;
846 const uint8_t *ul;
847 int i;
848
849 mxf_write_metadata_key(pb, 0x014400);
850 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
851 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
852
853 mxf_write_local_tag(pb, 16, 0x3C0A);
854 mxf_write_uuid(pb, MultipleDescriptor, 0);
855 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
856
857 // write sample rate
858 mxf_write_local_tag(pb, 8, 0x3001);
859 avio_wb32(pb, mxf->time_base.den);
860 avio_wb32(pb, mxf->time_base.num);
861
862 // write essence container ul
863 mxf_write_local_tag(pb, 16, 0x3004);
864 if (mxf->essence_container_count > 1)
865 ul = multiple_desc_ul;
866 else {
867 MXFStreamContext *sc = s->streams[0]->priv_data;
868 ul = mxf_essence_container_uls[sc->index].container_ul;
869 }
870 avio_write(pb, ul, 16);
871
872 // write sub descriptor refs
873 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
874 mxf_write_refs_count(pb, s->nb_streams);
875 for (i = 0; i < s->nb_streams; i++)
876 mxf_write_uuid(pb, SubDescriptor, i);
877}
878
879static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
880{
881 MXFContext *mxf = s->priv_data;
882 MXFStreamContext *sc = st->priv_data;
883 AVIOContext *pb = s->pb;
884
885 avio_write(pb, key, 16);
886 klv_encode_ber4_length(pb, size+20+8+12+20);
887
888 mxf_write_local_tag(pb, 16, 0x3C0A);
889 mxf_write_uuid(pb, SubDescriptor, st->index);
890
891 mxf_write_local_tag(pb, 4, 0x3006);
892 avio_wb32(pb, st->index+2);
893
894 mxf_write_local_tag(pb, 8, 0x3001);
895 avio_wb32(pb, mxf->time_base.den);
896 avio_wb32(pb, mxf->time_base.num);
897
898 mxf_write_local_tag(pb, 16, 0x3004);
899 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
900}
901
902static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
903static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
904static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
905static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
906static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
907
908static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
909{
910 MXFStreamContext *sc = st->priv_data;
911 AVIOContext *pb = s->pb;
912 int stored_height = (st->codec->height+15)/16*16;
913 int display_height;
914 int f1, f2;
915 unsigned desc_size = size+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20;
916 if (sc->interlaced && sc->field_dominance)
917 desc_size += 5;
918
919 mxf_write_generic_desc(s, st, key, desc_size);
920
921 mxf_write_local_tag(pb, 4, 0x3203);
922 avio_wb32(pb, st->codec->width);
923
924 mxf_write_local_tag(pb, 4, 0x3202);
925 avio_wb32(pb, stored_height>>sc->interlaced);
926
927 mxf_write_local_tag(pb, 4, 0x3209);
928 avio_wb32(pb, st->codec->width);
929
930 if (st->codec->height == 608) // PAL + VBI
931 display_height = 576;
932 else if (st->codec->height == 512) // NTSC + VBI
933 display_height = 486;
934 else
935 display_height = st->codec->height;
936
937 mxf_write_local_tag(pb, 4, 0x3208);
938 avio_wb32(pb, display_height>>sc->interlaced);
939
940 // component depth
941 mxf_write_local_tag(pb, 4, 0x3301);
942 avio_wb32(pb, sc->component_depth);
943
944 // horizontal subsampling
945 mxf_write_local_tag(pb, 4, 0x3302);
946 avio_wb32(pb, 2);
947
948 // frame layout
949 mxf_write_local_tag(pb, 1, 0x320C);
950 avio_w8(pb, sc->interlaced);
951
952 // video line map
953 switch (st->codec->height) {
954 case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
955 case 608: f1 = 7; f2 = 320; break;
956 case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
957 case 512: f1 = 7; f2 = 270; break;
958 case 720: f1 = 26; f2 = 0; break; // progressive
959 case 1080: f1 = 21; f2 = 584; break;
960 default: f1 = 0; f2 = 0; break;
961 }
962
963 if (!sc->interlaced) {
964 f2 = 0;
965 f1 *= 2;
966 }
967
968 mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
969 avio_wb32(pb, sc->interlaced ? 2 : 1);
970 avio_wb32(pb, 4);
971 avio_wb32(pb, f1);
972 if (sc->interlaced)
973 avio_wb32(pb, f2);
974
975 mxf_write_local_tag(pb, 8, 0x320E);
976 avio_wb32(pb, sc->aspect_ratio.num);
977 avio_wb32(pb, sc->aspect_ratio.den);
978
979 mxf_write_local_tag(pb, 16, 0x3201);
980 avio_write(pb, *sc->codec_ul, 16);
981
982 if (sc->interlaced && sc->field_dominance) {
983 mxf_write_local_tag(pb, 1, 0x3212);
984 avio_w8(pb, sc->field_dominance);
985 }
986
987}
988
989static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
990{
991 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
992}
993
994static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
995{
996 AVIOContext *pb = s->pb;
997 MXFStreamContext *sc = st->priv_data;
998 int profile_and_level = (st->codec->profile<<4) | st->codec->level;
999
f6fa7814
DM		 1000 if (st->codec->codec_id != AV_CODEC_ID_H264) {
1001 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
2ba45a60 1002
f6fa7814
DM		 1003 // bit rate
1004 mxf_write_local_tag(pb, 4, 0x8000);
1005 avio_wb32(pb, sc->video_bit_rate);
2ba45a60 1006
f6fa7814
DM		 1007 // profile and level
1008 mxf_write_local_tag(pb, 1, 0x8007);
1009 if (!st->codec->profile)
1010 profile_and_level |= 0x80; // escape bit
1011 avio_w8(pb, profile_and_level);
1012 } else {
1013 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1014 }
2ba45a60
DM		 1015}
1016
1017static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1018{
1019 AVIOContext *pb = s->pb;
1020 MXFContext *mxf = s->priv_data;
1021 int show_warnings = !mxf->footer_partition_offset;
1022
1023 mxf_write_generic_desc(s, st, key, size+5+12+8+8);
1024
1025 // audio locked
1026 mxf_write_local_tag(pb, 1, 0x3D02);
1027 avio_w8(pb, 1);
1028
1029 // write audio sampling rate
1030 mxf_write_local_tag(pb, 8, 0x3D03);
1031 avio_wb32(pb, st->codec->sample_rate);
1032 avio_wb32(pb, 1);
1033
1034 mxf_write_local_tag(pb, 4, 0x3D07);
1035 if (mxf->channel_count == -1) {
1036 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1037 av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1038 avio_wb32(pb, st->codec->channels);
1039 } else if (s->oformat == &ff_mxf_d10_muxer) {
1040 if (show_warnings && (mxf->channel_count < st->codec->channels))
1041 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1042 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1043 av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1044 avio_wb32(pb, mxf->channel_count);
1045 } else {
1046 if (show_warnings && mxf->channel_count != -1)
1047 av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1048 avio_wb32(pb, st->codec->channels);
1049 }
1050
1051 mxf_write_local_tag(pb, 4, 0x3D01);
1052 avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
1053}
1054
1055static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1056{
1057 AVIOContext *pb = s->pb;
1058
1059 mxf_write_generic_sound_common(s, st, key, size+6+8);
1060
1061 mxf_write_local_tag(pb, 2, 0x3D0A);
1062 avio_wb16(pb, st->codec->block_align);
1063
1064 // avg bytes per sec
1065 mxf_write_local_tag(pb, 4, 0x3D09);
1066 avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1067}
1068
1069static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1070{
1071 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1072}
1073
1074static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1075{
1076 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1077}
1078
1079static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1080{
1081 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1082}
1083
1084static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type)
1085{
1086 MXFContext *mxf = s->priv_data;
1087 AVIOContext *pb = s->pb;
1088 int i, track_count = s->nb_streams+1;
1089
1090 if (type == MaterialPackage) {
1091 mxf_write_metadata_key(pb, 0x013600);
1092 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1093 klv_encode_ber_length(pb, 92 + 16*track_count);
1094 } else {
1095 mxf_write_metadata_key(pb, 0x013700);
1096 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1097 klv_encode_ber_length(pb, 112 + 16*track_count); // 20 bytes length for descriptor reference
1098 }
1099
1100 // write uid
1101 mxf_write_local_tag(pb, 16, 0x3C0A);
1102 mxf_write_uuid(pb, type, 0);
1103 av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1104 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1105
1106 // write package umid
1107 mxf_write_local_tag(pb, 32, 0x4401);
1108 mxf_write_umid(s, type == SourcePackage);
1109 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1110
1111 // package creation date
1112 mxf_write_local_tag(pb, 8, 0x4405);
1113 avio_wb64(pb, mxf->timestamp);
1114
1115 // package modified date
1116 mxf_write_local_tag(pb, 8, 0x4404);
1117 avio_wb64(pb, mxf->timestamp);
1118
1119 // write track refs
1120 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1121 mxf_write_refs_count(pb, track_count);
1122 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1123 Track + TypeBottom, -1); // timecode track
1124 for (i = 0; i < s->nb_streams; i++)
1125 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1126
1127 // write multiple descriptor reference
1128 if (type == SourcePackage) {
1129 mxf_write_local_tag(pb, 16, 0x4701);
1130 if (s->nb_streams > 1) {
1131 mxf_write_uuid(pb, MultipleDescriptor, 0);
1132 mxf_write_multi_descriptor(s);
1133 } else
1134 mxf_write_uuid(pb, SubDescriptor, 0);
1135 }
1136
1137 // write timecode track
1138 mxf_write_track(s, mxf->timecode_track, type);
1139 mxf_write_sequence(s, mxf->timecode_track, type);
1140 mxf_write_timecode_component(s, mxf->timecode_track, type);
1141
1142 for (i = 0; i < s->nb_streams; i++) {
1143 AVStream *st = s->streams[i];
1144 mxf_write_track(s, st, type);
1145 mxf_write_sequence(s, st, type);
1146 mxf_write_structural_component(s, st, type);
1147
1148 if (type == SourcePackage) {
1149 MXFStreamContext *sc = st->priv_data;
1150 mxf_essence_container_uls[sc->index].write_desc(s, st);
1151 }
1152 }
1153}
1154
1155static int mxf_write_essence_container_data(AVFormatContext *s)
1156{
1157 AVIOContext *pb = s->pb;
1158
1159 mxf_write_metadata_key(pb, 0x012300);
1160 klv_encode_ber_length(pb, 72);
1161
1162 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1163 mxf_write_uuid(pb, EssenceContainerData, 0);
1164
1165 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1166 mxf_write_umid(s, 1);
1167
1168 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1169 avio_wb32(pb, 1);
1170
1171 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1172 avio_wb32(pb, 2);
1173
1174 return 0;
1175}
1176
1177static int mxf_write_header_metadata_sets(AVFormatContext *s)
1178{
1179 mxf_write_preface(s);
1180 mxf_write_identification(s);
1181 mxf_write_content_storage(s);
1182 mxf_write_package(s, MaterialPackage);
1183 mxf_write_package(s, SourcePackage);
1184 mxf_write_essence_container_data(s);
1185 return 0;
1186}
1187
1188static unsigned klv_fill_size(uint64_t size)
1189{
1190 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1191 if (pad < 20) // smallest fill item possible
1192 return pad + KAG_SIZE;
1193 else
1194 return pad & (KAG_SIZE-1);
1195}
1196
1197static void mxf_write_index_table_segment(AVFormatContext *s)
1198{
1199 MXFContext *mxf = s->priv_data;
1200 AVIOContext *pb = s->pb;
1201 int i, j, temporal_reordering = 0;
1202 int key_index = mxf->last_key_index;
1203
1204 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1205
1206 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1207 return;
1208
1209 avio_write(pb, index_table_segment_key, 16);
1210
1211 if (mxf->edit_unit_byte_count) {
1212 klv_encode_ber_length(pb, 80);
1213 } else {
1214 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1215 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1216 }
1217
1218 // instance id
1219 mxf_write_local_tag(pb, 16, 0x3C0A);
1220 mxf_write_uuid(pb, IndexTableSegment, 0);
1221
1222 // index edit rate
1223 mxf_write_local_tag(pb, 8, 0x3F0B);
1224 avio_wb32(pb, mxf->time_base.den);
1225 avio_wb32(pb, mxf->time_base.num);
1226
1227 // index start position
1228 mxf_write_local_tag(pb, 8, 0x3F0C);
1229 avio_wb64(pb, mxf->last_indexed_edit_unit);
1230
1231 // index duration
1232 mxf_write_local_tag(pb, 8, 0x3F0D);
1233 if (mxf->edit_unit_byte_count)
1234 avio_wb64(pb, 0); // index table covers whole container
1235 else
1236 avio_wb64(pb, mxf->edit_units_count);
1237
1238 // edit unit byte count
1239 mxf_write_local_tag(pb, 4, 0x3F05);
1240 avio_wb32(pb, mxf->edit_unit_byte_count);
1241
1242 // index sid
1243 mxf_write_local_tag(pb, 4, 0x3F06);
1244 avio_wb32(pb, 2);
1245
1246 // body sid
1247 mxf_write_local_tag(pb, 4, 0x3F07);
1248 avio_wb32(pb, 1);
1249
1250 if (!mxf->edit_unit_byte_count) {
1251 // real slice count - 1
1252 mxf_write_local_tag(pb, 1, 0x3F08);
1253 avio_w8(pb, mxf->slice_count);
1254
1255 // delta entry array
1256 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1257 avio_wb32(pb, s->nb_streams+1); // num of entries
1258 avio_wb32(pb, 6); // size of one entry
1259 // write system item delta entry
1260 avio_w8(pb, 0);
1261 avio_w8(pb, 0); // slice entry
1262 avio_wb32(pb, 0); // element delta
1263 for (i = 0; i < s->nb_streams; i++) {
1264 AVStream *st = s->streams[i];
1265 MXFStreamContext *sc = st->priv_data;
1266 avio_w8(pb, sc->temporal_reordering);
1267 if (sc->temporal_reordering)
1268 temporal_reordering = 1;
1269 if (i == 0) { // video track
1270 avio_w8(pb, 0); // slice number
1271 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1272 } else { // audio track
1273 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1274 audio_frame_size += klv_fill_size(audio_frame_size);
1275 avio_w8(pb, 1);
1276 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1277 }
1278 }
1279
1280 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1281 avio_wb32(pb, mxf->edit_units_count); // num of entries
1282 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1283
1284 for (i = 0; i < mxf->edit_units_count; i++) {
1285 int temporal_offset = 0;
1286
1287 if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1288 mxf->last_key_index = key_index;
1289 key_index = i;
1290 }
1291
1292 if (temporal_reordering) {
1293 int pic_num_in_gop = i - key_index;
1294 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1295 for (j = key_index; j < mxf->edit_units_count; j++) {
1296 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1297 break;
1298 }
1299 if (j == mxf->edit_units_count)
1300 av_log(s, AV_LOG_WARNING, "missing frames\n");
1301 temporal_offset = j - key_index - pic_num_in_gop;
1302 }
1303 }
1304 avio_w8(pb, temporal_offset);
1305
1306 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1307 avio_w8(pb, mxf->last_key_index - i);
1308 } else {
1309 avio_w8(pb, key_index - i); // key frame offset
1310 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1311 mxf->last_key_index = key_index;
1312 }
1313
1314 if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1315 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1316 mxf->index_entries[i].flags |= 0x80; // random access
1317 avio_w8(pb, mxf->index_entries[i].flags);
1318 // stream offset
1319 avio_wb64(pb, mxf->index_entries[i].offset);
1320 if (s->nb_streams > 1)
1321 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1322 }
1323
1324 mxf->last_key_index = key_index - mxf->edit_units_count;
1325 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1326 mxf->edit_units_count = 0;
1327 }
1328}
1329
1330static void mxf_write_klv_fill(AVFormatContext *s)
1331{
1332 unsigned pad = klv_fill_size(avio_tell(s->pb));
1333 if (pad) {
1334 avio_write(s->pb, klv_fill_key, 16);
1335 pad -= 16 + 4;
1336 klv_encode_ber4_length(s->pb, pad);
1337 ffio_fill(s->pb, 0, pad);
1338 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1339 }
1340}
1341
1342static int mxf_write_partition(AVFormatContext *s, int bodysid,
1343 int indexsid,
1344 const uint8_t *key, int write_metadata)
1345{
1346 MXFContext *mxf = s->priv_data;
1347 AVIOContext *pb = s->pb;
1348 int64_t header_byte_count_offset;
1349 unsigned index_byte_count = 0;
1350 uint64_t partition_offset = avio_tell(pb);
1351 int err;
1352
1353 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1354 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1355 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1356 else if (mxf->edit_unit_byte_count && indexsid)
1357 index_byte_count = 80;
1358
1359 if (index_byte_count) {
1360 // add encoded ber length
1361 index_byte_count += 16 + klv_ber_length(index_byte_count);
1362 index_byte_count += klv_fill_size(index_byte_count);
1363 }
1364
1365 if (!memcmp(key, body_partition_key, 16)) {
1366 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1367 sizeof(*mxf->body_partition_offset))) < 0) {
1368 mxf->body_partitions_count = 0;
1369 return err;
1370 }
1371 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1372 }
1373
1374 // write klv
1375 avio_write(pb, key, 16);
1376 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1377
1378 // write partition value
1379 avio_wb16(pb, 1); // majorVersion
1380 avio_wb16(pb, 2); // minorVersion
1381 avio_wb32(pb, KAG_SIZE); // KAGSize
1382
1383 avio_wb64(pb, partition_offset); // ThisPartition
1384
1385 if (!memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1386 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1387 else if (!memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1388 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1389 else
1390 avio_wb64(pb, 0);
1391
1392 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1393
1394 // set offset
1395 header_byte_count_offset = avio_tell(pb);
1396 avio_wb64(pb, 0); // headerByteCount, update later
1397
1398 // indexTable
1399 avio_wb64(pb, index_byte_count); // indexByteCount
1400 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1401
1402 // BodyOffset
1403 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count) {
1404 avio_wb64(pb, mxf->body_offset);
1405 } else
1406 avio_wb64(pb, 0);
1407
1408 avio_wb32(pb, bodysid); // bodySID
1409
1410 // operational pattern
1411 avio_write(pb, op1a_ul, 16);
1412
1413 // essence container
1414 mxf_write_essence_container_refs(s);
1415
1416 if (write_metadata) {
1417 // mark the start of the headermetadata and calculate metadata size
1418 int64_t pos, start;
1419 unsigned header_byte_count;
1420
1421 mxf_write_klv_fill(s);
1422 start = avio_tell(s->pb);
1423 mxf_write_primer_pack(s);
1424 mxf_write_header_metadata_sets(s);
1425 pos = avio_tell(s->pb);
1426 header_byte_count = pos - start + klv_fill_size(pos);
1427
1428 // update header_byte_count
1429 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1430 avio_wb64(pb, header_byte_count);
1431 avio_seek(pb, pos, SEEK_SET);
1432 }
1433
1434 avio_flush(pb);
1435
1436 return 0;
1437}
1438
1439static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1440AVPacket *pkt)
1441{
1442 MXFContext *mxf = s->priv_data;
1443 MXFStreamContext *sc = st->priv_data;
1444 int i, cid;
1445 uint8_t* header_cid;
1446 int frame_size = 0;
1447
1448 if (mxf->header_written)
1449 return 1;
1450
1451 if (pkt->size < 43)
1452 return -1;
1453
1454 header_cid = pkt->data + 0x28;
1455 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1456
1457 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1458 return -1;
1459
1460 switch (cid) {
1461 case 1235:
1462 sc->index = 24;
1463 sc->component_depth = 10;
1464 break;
1465 case 1237:
1466 sc->index = 25;
1467 break;
1468 case 1238:
1469 sc->index = 26;
1470 break;
1471 case 1241:
1472 sc->index = 27;
1473 sc->component_depth = 10;
1474 break;
1475 case 1242:
1476 sc->index = 28;
1477 break;
1478 case 1243:
1479 sc->index = 29;
1480 break;
1481 case 1250:
1482 sc->index = 30;
1483 sc->component_depth = 10;
1484 break;
1485 case 1251:
1486 sc->index = 31;
1487 break;
1488 case 1252:
1489 sc->index = 32;
1490 break;
1491 case 1253:
1492 sc->index = 33;
1493 break;
1494 default:
1495 return -1;
1496 }
1497
1498 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1499 sc->aspect_ratio = (AVRational){ 16, 9 };
1500
1501 mxf->edit_unit_byte_count = KAG_SIZE;
1502 for (i = 0; i < s->nb_streams; i++) {
1503 AVStream *st = s->streams[i];
1504 MXFStreamContext *sc = st->priv_data;
1505 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1506 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1507 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1508 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1509 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1510 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1511 }
1512 }
1513
1514 return 1;
1515}
1516
1517static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1518{
1519 MXFContext *mxf = s->priv_data;
1520 MXFStreamContext *sc = st->priv_data;
1521 uint8_t *vs_pack, *vsc_pack;
1522 int i, ul_index, frame_size, stype, pal;
1523
1524 if (mxf->header_written)
1525 return 1;
1526
1527 // Check for minimal frame size
1528 if (pkt->size < 120000)
1529 return -1;
1530
1531 vs_pack = pkt->data + 80*5 + 48;
1532 vsc_pack = pkt->data + 80*5 + 53;
1533 stype = vs_pack[3] & 0x1f;
1534 pal = (vs_pack[3] >> 5) & 0x1;
1535
1536 if ((vs_pack[2] & 0x07) == 0x02)
1537 sc->aspect_ratio = (AVRational){ 16, 9 };
1538 else
1539 sc->aspect_ratio = (AVRational){ 4, 3 };
1540
1541 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1542 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1543 // and set field dominance accordingly
1544 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1545
1546 switch (stype) {
1547 case 0x18: // DV100 720p
1548 ul_index = 6 + pal;
1549 frame_size = pal ? 288000 : 240000;
1550 if (sc->interlaced) {
1551 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1552 sc->interlaced = 0;
1553 }
1554 break;
1555 case 0x14: // DV100 1080i
1556 ul_index = 4 + pal;
1557 frame_size = pal ? 576000 : 480000;
1558 break;
1559 case 0x04: // DV50
1560 ul_index = 2 + pal;
1561 frame_size = pal ? 288000 : 240000;
1562 break;
1563 default: // DV25
1564 ul_index = 0 + pal;
1565 frame_size = pal ? 144000 : 120000;
1566 }
1567
1568 sc->index = ul_index + 16;
1569 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1570
1571 mxf->edit_unit_byte_count = KAG_SIZE;
1572 for (i = 0; i < s->nb_streams; i++) {
1573 AVStream *st = s->streams[i];
1574 MXFStreamContext *sc = st->priv_data;
1575 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1576 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1577 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1578 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1579 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1580 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1581 }
1582 }
1583
1584 return 1;
1585}
1586
f6fa7814
DM		 1587static const struct {
1588 UID uid;
1589 int frame_size;
1590 int profile;
1591 uint8_t interlaced;
1592} mxf_h264_codec_uls[] = {
1593 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1594 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1595 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1596 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1597 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1598 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1599 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1600 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1601 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1602 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1603 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1604 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1605 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1606 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1607};
1608
1609static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1610 AVPacket *pkt, MXFIndexEntry *e)
1611{
1612 MXFContext *mxf = s->priv_data;
1613 MXFStreamContext *sc = st->priv_data;
1614 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1615 const uint8_t *buf = pkt->data;
1616 const uint8_t *buf_end = pkt->data + pkt->size;
1617 uint32_t state = -1;
1618 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1619 int i, frame_size;
1620 uint8_t uid_found;
1621
1622 if (pkt->size > extra_size)
1623 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1624
1625 for (;;) {
1626 buf = avpriv_find_start_code(buf, buf_end, &state);
1627 if (buf >= buf_end)
1628 break;
1629 --buf;
1630 switch (state & 0x1f) {
1631 case NAL_SPS:
1632 st->codec->profile = buf[1];
1633 e->flags |= 0x40;
1634 break;
1635 case NAL_PPS:
1636 if (e->flags & 0x40) { // sequence header present
1637 e->flags |= 0x80; // random access
1638 extra_size = 0;
1639 buf = buf_end;
1640 }
1641 break;
1642 default:
1643 break;
1644 }
1645 }
1646
1647 if (mxf->header_written)
1648 return 1;
1649
1650 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1651 sc->component_depth = 10; // AVC Intra is always 10 Bit
1652 sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1653 if (sc->interlaced)
1654 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1655
1656 uid_found = 0;
1657 frame_size = pkt->size + extra_size;
1658 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1659 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1660 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1661 return 1;
1662 } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1663 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1664 uid_found = 1;
1665 }
1666 }
1667
1668 if (!uid_found) {
1669 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1670 return 0;
1671 }
1672
1673 return 1;
1674}
1675
2ba45a60
DM		 1676static const UID mxf_mpeg2_codec_uls[] = {
1677 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1678 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1679 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1680 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1681 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1682 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1683 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1684 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1685 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1686 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1687};
1688
1689static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
1690{
1691 int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1692
1693 if (avctx->profile == 4) { // Main
1694 if (avctx->level == 8) // Main
1695 return &mxf_mpeg2_codec_uls[0+long_gop];
1696 else if (avctx->level == 4) // High
1697 return &mxf_mpeg2_codec_uls[4+long_gop];
1698 else if (avctx->level == 6) // High 14
1699 return &mxf_mpeg2_codec_uls[8+long_gop];
1700 } else if (avctx->profile == 0) { // 422
1701 if (avctx->level == 5) // Main
1702 return &mxf_mpeg2_codec_uls[2+long_gop];
1703 else if (avctx->level == 2) // High
1704 return &mxf_mpeg2_codec_uls[6+long_gop];
1705 }
1706 return NULL;
1707}
1708
1709static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
1710 AVPacket *pkt, MXFIndexEntry *e)
1711{
1712 MXFStreamContext *sc = st->priv_data;
1713 uint32_t c = -1;
1714 int i;
1715
1716 for(i = 0; i < pkt->size - 4; i++) {
1717 c = (c<<8) + pkt->data[i];
1718 if (c == 0x1b5) {
1719 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1720 st->codec->profile = pkt->data[i+1] & 0x07;
1721 st->codec->level = pkt->data[i+2] >> 4;
1722 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1723 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1724 if (sc->interlaced)
1725 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1726 break;
1727 }
1728 } else if (c == 0x1b8) { // gop
1729 if (pkt->data[i+4]>>6 & 0x01) { // closed
1730 sc->closed_gop = 1;
1731 if (e->flags & 0x40) // sequence header present
1732 e->flags |= 0x80; // random access
1733 }
1734 } else if (c == 0x1b3) { // seq
1735 e->flags |= 0x40;
1736 switch ((pkt->data[i+4]>>4) & 0xf) {
1737 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1738 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1739 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1740 default:
1741 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
1742 st->codec->width, st->codec->height, 1024*1024);
1743 }
1744 } else if (c == 0x100) { // pic
1745 int pict_type = (pkt->data[i+2]>>3) & 0x07;
1746 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1747 if (pict_type == 2) { // P frame
1748 e->flags |= 0x22;
1749 sc->closed_gop = 0; // reset closed gop, don't matter anymore
1750 } else if (pict_type == 3) { // B frame
1751 if (sc->closed_gop)
1752 e->flags |= 0x13; // only backward prediction
1753 else
1754 e->flags |= 0x33;
1755 sc->temporal_reordering = -1;
1756 } else if (!pict_type) {
1757 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1758 return 0;
1759 }
1760 }
1761 }
1762 if (s->oformat != &ff_mxf_d10_muxer)
1763 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
1764 return !!sc->codec_ul;
1765}
1766
1767static uint64_t mxf_parse_timestamp(time_t timestamp)
1768{
f6fa7814
DM		 1769 struct tm tmbuf;
1770 struct tm *time = gmtime_r(&timestamp, &tmbuf);
2ba45a60
DM		 1771 if (!time)
1772 return 0;
1773 return (uint64_t)(time->tm_year+1900) << 48 |
1774 (uint64_t)(time->tm_mon+1) << 40 |
1775 (uint64_t) time->tm_mday << 32 |
1776 time->tm_hour << 24 |
1777 time->tm_min << 16 |
1778 time->tm_sec << 8;
1779}
1780
1781static void mxf_gen_umid(AVFormatContext *s)
1782{
1783 MXFContext *mxf = s->priv_data;
1784 uint32_t seed = av_get_random_seed();
1785 uint64_t umid = seed + 0x5294713400000000LL;
1786
1787 AV_WB64(mxf->umid , umid);
1788 AV_WB64(mxf->umid+8, umid>>8);
1789
1790 mxf->instance_number = seed & 0xFFFFFF;
1791}
1792
1793static int mxf_write_header(AVFormatContext *s)
1794{
1795 MXFContext *mxf = s->priv_data;
1796 int i, ret;
1797 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
1798 const MXFSamplesPerFrame *spf = NULL;
1799 AVDictionaryEntry *t;
1800 int64_t timestamp = 0;
1801 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
1802
1803 if (!s->nb_streams)
1804 return -1;
1805
1806 for (i = 0; i < s->nb_streams; i++) {
1807 AVStream *st = s->streams[i];
1808 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
1809 if (!sc)
1810 return AVERROR(ENOMEM);
1811 st->priv_data = sc;
1812
1813 if ((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) {
1814 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
1815 return -1;
1816 }
1817
1818 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1819 // TODO: should be avg_frame_rate
1820 AVRational rate, tbc = st->time_base;
1821 // Default component depth to 8
1822 sc->component_depth = 8;
1823 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
1824 spf = ff_mxf_get_samples_per_frame(s, tbc);
1825 if (!spf) {
1826 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
1827 tbc.den, tbc.num);
1828 return AVERROR(EINVAL);
1829 }
1830 mxf->time_base = spf->time_base;
1831 rate = av_inv_q(mxf->time_base);
1832 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
1833 if (!tcr)
1834 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
1835 if (tcr)
1836 ret = av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
1837 else
1838 ret = av_timecode_init(&mxf->tc, rate, 0, 0, s);
1839 if (ret < 0)
1840 return ret;
1841 sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
1842 if (s->oformat == &ff_mxf_d10_muxer) {
1843 if (sc->video_bit_rate == 50000000) {
1844 if (mxf->time_base.den == 25) sc->index = 3;
1845 else sc->index = 5;
1846 } else if (sc->video_bit_rate == 40000000) {
1847 if (mxf->time_base.den == 25) sc->index = 7;
1848 else sc->index = 9;
1849 } else if (sc->video_bit_rate == 30000000) {
1850 if (mxf->time_base.den == 25) sc->index = 11;
1851 else sc->index = 13;
1852 } else {
1853 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
1854 return -1;
1855 }
1856
1857 mxf->edit_unit_byte_count = KAG_SIZE; // system element
1858 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
1859 mxf->time_base.num / (8*mxf->time_base.den);
1860 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1861 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
1862 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1863 }
1864 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1865 if (st->codec->sample_rate != 48000) {
1866 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
1867 return -1;
1868 }
1869 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
1870 if (s->oformat == &ff_mxf_d10_muxer) {
1871 if (st->index != 1) {
1872 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
1873 return -1;
1874 }
1875 if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
1876 st->codec->codec_id != AV_CODEC_ID_PCM_S24LE) {
1877 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
1878 }
1879 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
1880 } else
1881 mxf->slice_count = 1;
1882 }
1883
1884 if (!sc->index) {
1885 sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
1886 if (sc->index == -1) {
1887 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
1888 "codec not currently supported in container\n", i);
1889 return -1;
1890 }
1891 }
1892
1893 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1894
1895 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
1896 sc->track_essence_element_key[15] = present[sc->index];
1897 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
1898
1899 if (!present[sc->index])
1900 mxf->essence_container_count++;
1901 present[sc->index]++;
1902 }
1903
1904 if (s->oformat == &ff_mxf_d10_muxer) {
1905 mxf->essence_container_count = 1;
1906 }
1907
1908 if (!(s->flags & AVFMT_FLAG_BITEXACT))
1909 mxf_gen_umid(s);
1910
1911 for (i = 0; i < s->nb_streams; i++) {
1912 MXFStreamContext *sc = s->streams[i]->priv_data;
1913 // update element count
1914 sc->track_essence_element_key[13] = present[sc->index];
1915 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
1916 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
1917 else
1918 sc->order = AV_RB32(sc->track_essence_element_key+12);
1919 }
1920
1921 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
1922 timestamp = ff_iso8601_to_unix_time(t->value);
1923 if (timestamp)
1924 mxf->timestamp = mxf_parse_timestamp(timestamp);
1925 mxf->duration = -1;
1926
1927 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
1928 if (!mxf->timecode_track)
1929 return AVERROR(ENOMEM);
1930 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
1931 if (!mxf->timecode_track->priv_data)
1932 return AVERROR(ENOMEM);
1933 mxf->timecode_track->index = -1;
1934
1935 if (!spf)
1936 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
1937
1938 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
1939 return -1;
1940
1941 return 0;
1942}
1943
1944static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
1945static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
1946
1947static void mxf_write_system_item(AVFormatContext *s)
1948{
1949 MXFContext *mxf = s->priv_data;
1950 AVIOContext *pb = s->pb;
1951 unsigned frame;
1952 uint32_t time_code;
1953
1954 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
1955
1956 // write system metadata pack
1957 avio_write(pb, system_metadata_pack_key, 16);
1958 klv_encode_ber4_length(pb, 57);
1959 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
1960 avio_w8(pb, 0x04); // content package rate
1961 avio_w8(pb, 0x00); // content package type
1962 avio_wb16(pb, 0x00); // channel handle
1963 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
1964 if (mxf->essence_container_count > 1)
1965 avio_write(pb, multiple_desc_ul, 16);
1966 else {
1967 MXFStreamContext *sc = s->streams[0]->priv_data;
1968 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1969 }
1970 avio_w8(pb, 0);
1971 avio_wb64(pb, 0);
1972 avio_wb64(pb, 0); // creation date/time stamp
1973
1974 avio_w8(pb, 0x81); // SMPTE 12M time code
1975 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
1976 avio_wb32(pb, time_code);
1977 avio_wb32(pb, 0); // binary group data
1978 avio_wb64(pb, 0);
1979
1980 // write system metadata package set
1981 avio_write(pb, system_metadata_package_set_key, 16);
1982 klv_encode_ber4_length(pb, 35);
1983 avio_w8(pb, 0x83); // UMID
1984 avio_wb16(pb, 0x20);
1985 mxf_write_umid(s, 1);
1986}
1987
1988static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1989{
1990 MXFContext *mxf = s->priv_data;
1991 AVIOContext *pb = s->pb;
1992 MXFStreamContext *sc = st->priv_data;
1993 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
1994 (8*mxf->time_base.den); // frame size
1995 int pad;
1996
1997 packet_size += 16 + 4;
1998 packet_size += klv_fill_size(packet_size);
1999
2000 klv_encode_ber4_length(pb, pkt->size);
2001 avio_write(pb, pkt->data, pkt->size);
2002
2003 // ensure CBR muxing by padding to correct video frame size
2004 pad = packet_size - pkt->size - 16 - 4;
2005 if (pad > 20) {
2006 avio_write(s->pb, klv_fill_key, 16);
2007 pad -= 16 + 4;
2008 klv_encode_ber4_length(s->pb, pad);
2009 ffio_fill(s->pb, 0, pad);
2010 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2011 } else {
2012 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2013 ffio_fill(s->pb, 0, pad);
2014 }
2015}
2016
2017static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2018{
2019 MXFContext *mxf = s->priv_data;
2020 AVIOContext *pb = s->pb;
2021 int frame_size = pkt->size / st->codec->block_align;
2022 uint8_t *samples = pkt->data;
2023 uint8_t *end = pkt->data + pkt->size;
2024 int i;
2025
2026 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2027
2028 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2029 avio_wl16(pb, frame_size);
2030 avio_w8(pb, (1<<st->codec->channels)-1);
2031
2032 while (samples < end) {
2033 for (i = 0; i < st->codec->channels; i++) {
2034 uint32_t sample;
2035 if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2036 sample = AV_RL24(samples)<< 4;
2037 samples += 3;
2038 } else {
2039 sample = AV_RL16(samples)<<12;
2040 samples += 2;
2041 }
2042 avio_wl32(pb, sample | i);
2043 }
2044 for (; i < 8; i++)
2045 avio_wl32(pb, i);
2046 }
2047}
2048
2049static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2050{
2051 MXFContext *mxf = s->priv_data;
2052 AVIOContext *pb = s->pb;
2053 AVStream *st = s->streams[pkt->stream_index];
2054 MXFStreamContext *sc = st->priv_data;
2055 MXFIndexEntry ie = {0};
2056 int err;
2057
2058 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2059 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2060 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2061 mxf->edit_units_count = 0;
2062 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2063 return err;
2064 }
2065 }
2066
2067 if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2068 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2069 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2070 return -1;
2071 }
2072 } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2073 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2074 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2075 return -1;
2076 }
2077 } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2078 if (!mxf_parse_dv_frame(s, st, pkt)) {
2079 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2080 return -1;
2081 }
f6fa7814
DM		 2082 } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2083 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2084 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2085 return -1;
2086 }
2ba45a60
DM		 2087 }
2088
2089 if (!mxf->header_written) {
2090 if (mxf->edit_unit_byte_count) {
2091 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2092 return err;
2093 mxf_write_klv_fill(s);
2094 mxf_write_index_table_segment(s);
2095 } else {
2096 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2097 return err;
2098 }
2099 mxf->header_written = 1;
2100 }
2101
2102 if (st->index == 0) {
2103 if (!mxf->edit_unit_byte_count &&
2104 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2105 !(ie.flags & 0x33)) { // I frame, Gop start
2106 mxf_write_klv_fill(s);
2107 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2108 return err;
2109 mxf_write_klv_fill(s);
2110 mxf_write_index_table_segment(s);
2111 }
2112
2113 mxf_write_klv_fill(s);
2114 mxf_write_system_item(s);
2115
2116 if (!mxf->edit_unit_byte_count) {
2117 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2118 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2119 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2120 mxf->body_offset += KAG_SIZE; // size of system element
2121 }
2122 mxf->edit_units_count++;
2123 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2124 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2125 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2126 }
2127
2128 mxf_write_klv_fill(s);
2129 avio_write(pb, sc->track_essence_element_key, 16); // write key
2130 if (s->oformat == &ff_mxf_d10_muxer) {
2131 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2132 mxf_write_d10_video_packet(s, st, pkt);
2133 else
2134 mxf_write_d10_audio_packet(s, st, pkt);
2135 } else {
2136 klv_encode_ber4_length(pb, pkt->size); // write length
2137 avio_write(pb, pkt->data, pkt->size);
2138 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2139 }
2140
2141 avio_flush(pb);
2142
2143 return 0;
2144}
2145
2146static void mxf_write_random_index_pack(AVFormatContext *s)
2147{
2148 MXFContext *mxf = s->priv_data;
2149 AVIOContext *pb = s->pb;
2150 uint64_t pos = avio_tell(pb);
2151 int i;
2152
2153 avio_write(pb, random_index_pack_key, 16);
2154 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2155
2156 if (mxf->edit_unit_byte_count)
2157 avio_wb32(pb, 1); // BodySID of header partition
2158 else
2159 avio_wb32(pb, 0);
2160 avio_wb64(pb, 0); // offset of header partition
2161
2162 for (i = 0; i < mxf->body_partitions_count; i++) {
2163 avio_wb32(pb, 1); // BodySID
2164 avio_wb64(pb, mxf->body_partition_offset[i]);
2165 }
2166
2167 avio_wb32(pb, 0); // BodySID of footer partition
2168 avio_wb64(pb, mxf->footer_partition_offset);
2169
2170 avio_wb32(pb, avio_tell(pb) - pos + 4);
2171}
2172
2173static int mxf_write_footer(AVFormatContext *s)
2174{
2175 MXFContext *mxf = s->priv_data;
2176 AVIOContext *pb = s->pb;
2177 int err;
2178
2179 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2180
2181 mxf_write_klv_fill(s);
2182 mxf->footer_partition_offset = avio_tell(pb);
2183 if (mxf->edit_unit_byte_count) { // no need to repeat index
2184 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2185 return err;
2186 } else {
2187 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2188 return err;
2189 mxf_write_klv_fill(s);
2190 mxf_write_index_table_segment(s);
2191 }
2192
2193 mxf_write_klv_fill(s);
2194 mxf_write_random_index_pack(s);
2195
2196 if (s->pb->seekable) {
2197 avio_seek(pb, 0, SEEK_SET);
2198 if (mxf->edit_unit_byte_count) {
2199 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2200 return err;
2201 mxf_write_klv_fill(s);
2202 mxf_write_index_table_segment(s);
2203 } else {
2204 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2205 return err;
2206 }
2207 }
2208
2209 ff_audio_interleave_close(s);
2210
2211 av_freep(&mxf->index_entries);
2212 av_freep(&mxf->body_partition_offset);
2213 av_freep(&mxf->timecode_track->priv_data);
2214 av_freep(&mxf->timecode_track);
2215
2216 mxf_free(s);
2217
2218 return 0;
2219}
2220
2221static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2222{
2223 int i, stream_count = 0;
2224
2225 for (i = 0; i < s->nb_streams; i++)
2226 stream_count += !!s->streams[i]->last_in_packet_buffer;
2227
2228 if (stream_count && (s->nb_streams == stream_count || flush)) {
2229 AVPacketList *pktl = s->packet_buffer;
2230 if (s->nb_streams != stream_count) {
2231 AVPacketList *last = NULL;
2232 // find last packet in edit unit
2233 while (pktl) {
2234 if (!stream_count || pktl->pkt.stream_index == 0)
2235 break;
2236 last = pktl;
2237 pktl = pktl->next;
2238 stream_count--;
2239 }
2240 // purge packet queue
2241 while (pktl) {
2242 AVPacketList *next = pktl->next;
2243
2244 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2245 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2246 av_free_packet(&pktl->pkt);
2247 av_freep(&pktl);
2248 pktl = next;
2249 }
2250 if (last)
2251 last->next = NULL;
2252 else {
2253 s->packet_buffer = NULL;
2254 s->packet_buffer_end= NULL;
2255 goto out;
2256 }
2257 pktl = s->packet_buffer;
2258 }
2259
2260 *out = pktl->pkt;
2261 av_dlog(s, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2262 s->packet_buffer = pktl->next;
2263 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2264 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2265 if(!s->packet_buffer)
2266 s->packet_buffer_end= NULL;
2267 av_freep(&pktl);
2268 return 1;
2269 } else {
2270 out:
2271 av_init_packet(out);
2272 return 0;
2273 }
2274}
2275
2276static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2277{
2278 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2279 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2280
2281 return next->dts > pkt->dts ||
2282 (next->dts == pkt->dts && sc->order < sc2->order);
2283}
2284
2285static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2286{
2287 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2288 mxf_interleave_get_packet, mxf_compare_timestamps);
2289}
2290
2291static const AVOption d10_options[] = {
2292 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2293 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2294 { NULL },
2295};
2296
2297static const AVClass mxf_d10_muxer_class = {
2298 .class_name = "MXF-D10 muxer",
2299 .item_name = av_default_item_name,
2300 .option = d10_options,
2301 .version = LIBAVUTIL_VERSION_INT,
2302};
2303
2304AVOutputFormat ff_mxf_muxer = {
2305 .name = "mxf",
2306 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2307 .mime_type = "application/mxf",
2308 .extensions = "mxf",
2309 .priv_data_size = sizeof(MXFContext),
2310 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2311 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2312 .write_header = mxf_write_header,
2313 .write_packet = mxf_write_packet,
2314 .write_trailer = mxf_write_footer,
2315 .flags = AVFMT_NOTIMESTAMPS,
2316 .interleave_packet = mxf_interleave,
2317};
2318
2319AVOutputFormat ff_mxf_d10_muxer = {
2320 .name = "mxf_d10",
2321 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2322 .mime_type = "application/mxf",
2323 .priv_data_size = sizeof(MXFContext),
2324 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2325 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2326 .write_header = mxf_write_header,
2327 .write_packet = mxf_write_packet,
2328 .write_trailer = mxf_write_footer,
2329 .flags = AVFMT_NOTIMESTAMPS,
2330 .interleave_packet = mxf_interleave,
2331 .priv_class = &mxf_d10_muxer_class,
2332};
ffmpeg Piment Noir Debian package repository