mxf: Introduce ff_mxf_get_samples_per_frame
[libav.git] / libavformat / mxf.h
1 /*
2 * MXF
3 * Copyright (c) 2006 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 #ifndef AVFORMAT_MXF_H
22 #define AVFORMAT_MXF_H
23
24 #include "avformat.h"
25 #include "libavcodec/avcodec.h"
26 #include <stdint.h>
27
28 typedef uint8_t UID[16];
29
30 enum MXFMetadataSetType {
31 AnyType,
32 MaterialPackage,
33 SourcePackage,
34 SourceClip,
35 TimecodeComponent,
36 Sequence,
37 MultipleDescriptor,
38 Descriptor,
39 Track,
40 CryptoContext,
41 Preface,
42 Identification,
43 ContentStorage,
44 SubDescriptor,
45 IndexTableSegment,
46 EssenceContainerData,
47 TypeBottom,// add metadata type before this
48 };
49
50 enum MXFFrameLayout {
51 FullFrame = 0,
52 MixedFields,
53 OneField,
54 SegmentedFrame,
55 SeparateFields
56 };
57
58 typedef struct KLVPacket {
59 UID key;
60 int64_t offset;
61 uint64_t length;
62 } KLVPacket;
63
64 typedef struct MXFCodecUL {
65 UID uid;
66 unsigned matching_len;
67 int id;
68 } MXFCodecUL;
69
70 typedef struct MXFSamplesPerFrame {
71 struct AVRational time_base;
72 int samples_per_frame[6];
73 } MXFSamplesPerFrame;
74
75 extern const MXFCodecUL ff_mxf_data_definition_uls[];
76 extern const MXFCodecUL ff_mxf_codec_uls[];
77 extern const MXFCodecUL ff_mxf_pixel_format_uls[];
78
79 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
80 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base);
81
82 #define PRINT_KEY(pc, s, x) av_dlog(pc, "%s %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X\n", s, \
83 (x)[0], (x)[1], (x)[2], (x)[3], (x)[4], (x)[5], (x)[6], (x)[7], (x)[8], (x)[9], (x)[10], (x)[11], (x)[12], (x)[13], (x)[14], (x)[15])
84
85 #endif /* AVFORMAT_MXF_H */