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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 | ||
54 | extern AVOutputFormat ff_mxf_d10_muxer; | |
55 | ||
56 | #define EDIT_UNITS_PER_BODY 250 | |
57 | #define KAG_SIZE 512 | |
58 | ||
59 | typedef struct { | |
60 | int local_tag; | |
61 | UID uid; | |
62 | } MXFLocalTagPair; | |
63 | ||
64 | typedef 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 | ||
71 | typedef 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 | ||
86 | typedef struct { | |
87 | UID container_ul; | |
88 | UID element_ul; | |
89 | UID codec_ul; | |
90 | void (*write_desc)(AVFormatContext *, AVStream *); | |
91 | } MXFContainerEssenceEntry; | |
92 | ||
93 | static 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 | ||
107 | static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st); | |
108 | static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st); | |
109 | static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st); | |
110 | static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st); | |
111 | static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st); | |
112 | ||
113 | static const MXFContainerEssenceEntry mxf_essence_container_uls[] = { | |
114 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, | |
115 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, | |
116 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, | |
117 | mxf_write_mpegvideo_desc }, | |
118 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 }, | |
119 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 }, | |
120 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
121 | mxf_write_aes3_desc }, | |
122 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, | |
123 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 }, | |
124 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
125 | mxf_write_wav_desc }, | |
126 | // D-10 625/50 PAL 50mb/s | |
127 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, | |
128 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, | |
129 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, | |
130 | mxf_write_cdci_desc }, | |
131 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, | |
132 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, | |
133 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
134 | mxf_write_generic_sound_desc }, | |
135 | // D-10 525/60 NTSC 50mb/s | |
136 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, | |
137 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, | |
138 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, | |
139 | mxf_write_cdci_desc }, | |
140 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, | |
141 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, | |
142 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
143 | mxf_write_generic_sound_desc }, | |
144 | // D-10 625/50 PAL 40mb/s | |
145 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, | |
146 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, | |
147 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, | |
148 | mxf_write_cdci_desc }, | |
149 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, | |
150 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, | |
151 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
152 | mxf_write_generic_sound_desc }, | |
153 | // D-10 525/60 NTSC 40mb/s | |
154 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, | |
155 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, | |
156 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, | |
157 | mxf_write_cdci_desc }, | |
158 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, | |
159 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, | |
160 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
161 | mxf_write_generic_sound_desc }, | |
162 | // D-10 625/50 PAL 30mb/s | |
163 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, | |
164 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, | |
165 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, | |
166 | mxf_write_cdci_desc }, | |
167 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, | |
168 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, | |
169 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
170 | mxf_write_generic_sound_desc }, | |
171 | // D-10 525/60 NTSC 30mb/s | |
172 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, | |
173 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, | |
174 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, | |
175 | mxf_write_cdci_desc }, | |
176 | { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, | |
177 | { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, | |
178 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, | |
179 | mxf_write_generic_sound_desc }, | |
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 | ||
291 | typedef 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 | ||
316 | static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd }; | |
317 | static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 }; | |
318 | ||
319 | /** | |
320 | * complete key for operation pattern, partitions, and primer pack | |
321 | */ | |
322 | static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 }; | |
323 | static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete | |
324 | static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 }; | |
325 | static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 }; | |
326 | static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 }; | |
327 | static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete | |
328 | static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete | |
329 | static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 }; | |
330 | static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete | |
331 | ||
332 | /** | |
333 | * partial key for header metadata | |
334 | */ | |
335 | static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 }; | |
336 | static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 }; | |
337 | ||
338 | /** | |
339 | * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html | |
340 | */ | |
341 | static 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 | ||
429 | static 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 | ||
436 | static 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 | ||
445 | static void mxf_write_refs_count(AVIOContext *pb, int ref_count) | |
446 | { | |
447 | avio_wb32(pb, ref_count); | |
448 | avio_wb32(pb, 16); | |
449 | } | |
450 | ||
451 | static 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 | ||
459 | static 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 | ||
480 | static 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 | */ | |
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 | ||
498 | static 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 | ||
517 | static void mxf_write_local_tag(AVIOContext *pb, int size, int tag) | |
518 | { | |
519 | avio_wb16(pb, tag); | |
520 | avio_wb16(pb, size); | |
521 | } | |
522 | ||
523 | static 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 | ||
529 | static 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 | ||
539 | static 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 | ||
554 | static 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 | ||
571 | static 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 | */ | |
618 | static 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 | ||
626 | static 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 | ||
665 | static 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 | ||
690 | static 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 | ||
729 | static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 }; | |
730 | ||
731 | static 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 | ||
750 | static 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 | ||
778 | static 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 | ||
806 | static 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 | ||
842 | static 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 | ||
879 | static 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 | ||
902 | static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }; | |
903 | static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }; | |
904 | static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 }; | |
905 | static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }; | |
906 | static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }; | |
907 | ||
908 | static 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 | ||
989 | static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st) | |
990 | { | |
991 | mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0); | |
992 | } | |
993 | ||
994 | static 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 | ||
1017 | static 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 | ||
1055 | static 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 | ||
1069 | static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st) | |
1070 | { | |
1071 | mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0); | |
1072 | } | |
1073 | ||
1074 | static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st) | |
1075 | { | |
1076 | mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0); | |
1077 | } | |
1078 | ||
1079 | static 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 | ||
1084 | static 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 | ||
1155 | static 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 | ||
1177 | static 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 | ||
1188 | static 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 | ||
1197 | static 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 | ||
1330 | static 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 | ||
1342 | static 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 | ||
1439 | static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, | |
1440 | AVPacket *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 | ||
1517 | static 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 |
1587 | static 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 | ||
1609 | static 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 |
1676 | static const UID mxf_mpeg2_codec_uls[] = { |
1677 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame | |
1678 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP | |
1679 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame | |
1680 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP | |
1681 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame | |
1682 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP | |
1683 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame | |
1684 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP | |
1685 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame | |
1686 | { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP | |
1687 | }; | |
1688 | ||
1689 | static 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 | ||
1709 | static 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 | ||
1767 | static uint64_t mxf_parse_timestamp(time_t timestamp) | |
1768 | { | |
f6fa7814 DM |
1769 | struct tm tmbuf; |
1770 | struct tm *time = gmtime_r(×tamp, &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 | ||
1781 | static 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 | ||
1793 | static 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 | ||
1944 | static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 }; | |
1945 | static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 }; | |
1946 | ||
1947 | static 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 | ||
1988 | static 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 | ||
2017 | static 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 | ||
2049 | static 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 | ||
2146 | static 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 | ||
2173 | static 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 | ||
2221 | static 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 | ||
2276 | static 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 | ||
2285 | static 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 | ||
2291 | static const AVOption d10_options[] = { | |
2292 | { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor", | |
2293 | offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM}, | |
2294 | { NULL }, | |
2295 | }; | |
2296 | ||
2297 | static const AVClass mxf_d10_muxer_class = { | |
2298 | .class_name = "MXF-D10 muxer", | |
2299 | .item_name = av_default_item_name, | |
2300 | .option = d10_options, | |
2301 | .version = LIBAVUTIL_VERSION_INT, | |
2302 | }; | |
2303 | ||
2304 | AVOutputFormat 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 | ||
2319 | AVOutputFormat 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 | }; |