/src/ffmpeg/libavformat/asf.h
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1 | | /* |
2 | | * Copyright (c) 2000, 2001 Fabrice Bellard |
3 | | * |
4 | | * This file is part of FFmpeg. |
5 | | * |
6 | | * FFmpeg is free software; you can redistribute it and/or |
7 | | * modify it under the terms of the GNU Lesser General Public |
8 | | * License as published by the Free Software Foundation; either |
9 | | * version 2.1 of the License, or (at your option) any later version. |
10 | | * |
11 | | * FFmpeg is distributed in the hope that it will be useful, |
12 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | | * Lesser General Public License for more details. |
15 | | * |
16 | | * You should have received a copy of the GNU Lesser General Public |
17 | | * License along with FFmpeg; if not, write to the Free Software |
18 | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | | */ |
20 | | |
21 | | #ifndef AVFORMAT_ASF_H |
22 | | #define AVFORMAT_ASF_H |
23 | | |
24 | | #include <stdint.h> |
25 | | #include "avformat.h" |
26 | | #include "metadata.h" |
27 | | #include "riff.h" |
28 | | |
29 | | typedef enum ASFDataType { |
30 | | ASF_UNICODE = 0, |
31 | | ASF_BYTE_ARRAY = 1, |
32 | | ASF_BOOL = 2, |
33 | | ASF_DWORD = 3, |
34 | | ASF_QWORD = 4, |
35 | | ASF_WORD = 5, |
36 | | ASF_GUID = 6, |
37 | | }ASFDataType; |
38 | | |
39 | | typedef struct ASFMainHeader { |
40 | | ff_asf_guid guid; ///< generated by client computer |
41 | | uint64_t file_size; /**< in bytes |
42 | | * invalid if broadcasting */ |
43 | | uint64_t create_time; /**< time of creation, in 100-nanosecond units since 1.1.1601 |
44 | | * invalid if broadcasting */ |
45 | | uint64_t play_time; /**< play time, in 100-nanosecond units |
46 | | * invalid if broadcasting */ |
47 | | uint64_t send_time; /**< time to send file, in 100-nanosecond units |
48 | | * invalid if broadcasting (could be ignored) */ |
49 | | uint32_t preroll; /**< timestamp of the first packet, in milliseconds |
50 | | * if nonzero - subtract from time */ |
51 | | uint32_t ignore; ///< preroll is 64 bits - but let's just ignore it |
52 | | uint32_t flags; /**< 0x01 - broadcast |
53 | | * 0x02 - seekable |
54 | | * rest is reserved should be 0 */ |
55 | | uint32_t min_pktsize; /**< size of a data packet |
56 | | * invalid if broadcasting */ |
57 | | uint32_t max_pktsize; /**< shall be the same as for min_pktsize |
58 | | * invalid if broadcasting */ |
59 | | uint32_t max_bitrate; /**< bandwidth of stream in bps |
60 | | * should be the sum of bitrates of the |
61 | | * individual media streams */ |
62 | | } ASFMainHeader; |
63 | | |
64 | | |
65 | | typedef struct ASFIndex { |
66 | | uint32_t packet_number; |
67 | | uint16_t packet_count; |
68 | | uint64_t send_time; |
69 | | uint64_t offset; |
70 | | } ASFIndex; |
71 | | |
72 | | extern const ff_asf_guid ff_asf_header; |
73 | | extern const ff_asf_guid ff_asf_file_header; |
74 | | extern const ff_asf_guid ff_asf_stream_header; |
75 | | extern const ff_asf_guid ff_asf_ext_stream_header; |
76 | | extern const ff_asf_guid ff_asf_audio_stream; |
77 | | extern const ff_asf_guid ff_asf_audio_conceal_spread; |
78 | | extern const ff_asf_guid ff_asf_video_stream; |
79 | | extern const ff_asf_guid ff_asf_jfif_media; |
80 | | extern const ff_asf_guid ff_asf_video_conceal_none; |
81 | | extern const ff_asf_guid ff_asf_command_stream; |
82 | | extern const ff_asf_guid ff_asf_comment_header; |
83 | | extern const ff_asf_guid ff_asf_codec_comment_header; |
84 | | extern const ff_asf_guid ff_asf_codec_comment1_header; |
85 | | extern const ff_asf_guid ff_asf_data_header; |
86 | | extern const ff_asf_guid ff_asf_head1_guid; |
87 | | extern const ff_asf_guid ff_asf_head2_guid; |
88 | | extern const ff_asf_guid ff_asf_extended_content_header; |
89 | | extern const ff_asf_guid ff_asf_simple_index_header; |
90 | | extern const ff_asf_guid ff_asf_ext_stream_embed_stream_header; |
91 | | extern const ff_asf_guid ff_asf_ext_stream_audio_stream; |
92 | | extern const ff_asf_guid ff_asf_metadata_header; |
93 | | extern const ff_asf_guid ff_asf_metadata_library_header; |
94 | | extern const ff_asf_guid ff_asf_marker_header; |
95 | | extern const ff_asf_guid ff_asf_reserved_4; |
96 | | extern const ff_asf_guid ff_asf_my_guid; |
97 | | extern const ff_asf_guid ff_asf_language_guid; |
98 | | extern const ff_asf_guid ff_asf_content_encryption; |
99 | | extern const ff_asf_guid ff_asf_ext_content_encryption; |
100 | | extern const ff_asf_guid ff_asf_digital_signature; |
101 | | #define ff_asf_extended_stream_properties_object ff_asf_ext_stream_header |
102 | | extern const ff_asf_guid ff_asf_group_mutual_exclusion_object; |
103 | | extern const ff_asf_guid ff_asf_mutex_language; |
104 | | |
105 | | extern const AVMetadataConv ff_asf_metadata_conv[]; |
106 | | |
107 | | /** |
108 | | * Handles both attached pictures as well as id3 tags. |
109 | | * |
110 | | * @return Returns < 0 on error, 1 if the type of the byte array |
111 | | * is unsupported by this function and 0 otherwise. |
112 | | */ |
113 | | int ff_asf_handle_byte_array(AVFormatContext *s, const char *name, |
114 | | int val_len); |
115 | | |
116 | | /* convert from av time to windows filetime */ |
117 | | static inline int64_t ff_asf_avtime_to_filetime(int64_t avtime) |
118 | 0 | { |
119 | 0 | return avtime * 10 + 116444736000000000; |
120 | 0 | } Unexecuted instantiation: asfdec_f.c:ff_asf_avtime_to_filetime Unexecuted instantiation: asfdec_o.c:ff_asf_avtime_to_filetime Unexecuted instantiation: wtvdec.c:ff_asf_avtime_to_filetime Unexecuted instantiation: asf.c:ff_asf_avtime_to_filetime Unexecuted instantiation: asf_tags.c:ff_asf_avtime_to_filetime Unexecuted instantiation: wtv_common.c:ff_asf_avtime_to_filetime Unexecuted instantiation: rtpdec_asf.c:ff_asf_avtime_to_filetime |
121 | | |
122 | | /* convert from windows filetime to av time */ |
123 | | static inline int64_t ff_asf_filetime_to_avtime(int64_t filetime) |
124 | 2.20k | { |
125 | 2.20k | return filetime / 10 - 11644473600000000; |
126 | 2.20k | } asfdec_f.c:ff_asf_filetime_to_avtime Line | Count | Source | 124 | 1.85k | { | 125 | 1.85k | return filetime / 10 - 11644473600000000; | 126 | 1.85k | } |
asfdec_o.c:ff_asf_filetime_to_avtime Line | Count | Source | 124 | 349 | { | 125 | 349 | return filetime / 10 - 11644473600000000; | 126 | 349 | } |
Unexecuted instantiation: wtvdec.c:ff_asf_filetime_to_avtime Unexecuted instantiation: asf.c:ff_asf_filetime_to_avtime Unexecuted instantiation: asf_tags.c:ff_asf_filetime_to_avtime Unexecuted instantiation: wtv_common.c:ff_asf_filetime_to_avtime Unexecuted instantiation: rtpdec_asf.c:ff_asf_filetime_to_avtime |
127 | | |
128 | 31.2k | #define ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT 0x80 //1000 0000 |
129 | | |
130 | | |
131 | | // ASF data packet structure |
132 | | // ========================= |
133 | | // |
134 | | // |
135 | | // ----------------------------------- |
136 | | // | Error Correction Data | Optional |
137 | | // ----------------------------------- |
138 | | // | Payload Parsing Information (PPI) | |
139 | | // ----------------------------------- |
140 | | // | Payload Data | |
141 | | // ----------------------------------- |
142 | | // | Padding Data | |
143 | | // ----------------------------------- |
144 | | |
145 | | |
146 | | // PPI_FLAG - Payload parsing information flags |
147 | 31.2k | #define ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT 1 |
148 | | |
149 | 31.2k | #define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE 0x02 //0000 0010 |
150 | 28.9k | #define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD 0x04 //0000 0100 |
151 | 26.1k | #define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD 0x06 //0000 0110 |
152 | | #define ASF_PPI_MASK_SEQUENCE_FIELD_SIZE 0x06 //0000 0110 |
153 | | |
154 | 31.2k | #define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE 0x08 //0000 1000 |
155 | 27.8k | #define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD 0x10 //0001 0000 |
156 | 24.4k | #define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD 0x18 //0001 1000 |
157 | | #define ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE 0x18 //0001 1000 |
158 | | |
159 | 31.2k | #define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE 0x20 //0010 0000 |
160 | 28.6k | #define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD 0x40 //0100 0000 |
161 | 25.5k | #define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD 0x60 //0110 0000 |
162 | | #define ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE 0x60 //0110 0000 |
163 | | |
164 | | // PL_FLAG - Payload flags |
165 | 17.7k | #define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE 0x01 //0000 0001 |
166 | 970 | #define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD 0x02 //0000 0010 |
167 | 573 | #define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD 0x03 //0000 0011 |
168 | | #define ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE 0x03 //0000 0011 |
169 | | |
170 | 17.7k | #define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_BYTE 0x04 //0000 0100 |
171 | 17.5k | #define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_WORD 0x08 //0000 1000 |
172 | 17.4k | #define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD 0x0c //0000 1100 |
173 | | #define ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE 0x0c //0000 1100 |
174 | | |
175 | 17.7k | #define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE 0x10 //0001 0000 |
176 | 16.2k | #define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD 0x20 //0010 0000 |
177 | 16.0k | #define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD 0x30 //0011 0000 |
178 | | #define ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE 0x30 //0011 0000 |
179 | | |
180 | | #define ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE 0x40 //0100 0000 |
181 | | #define ASF_PL_MASK_STREAM_NUMBER_LENGTH_FIELD_SIZE 0xc0 //1100 0000 |
182 | | |
183 | | #define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE 0x40 //0100 0000 |
184 | | #define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD 0x80 //1000 0000 |
185 | | #define ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE 0xc0 //1100 0000 |
186 | | |
187 | | #define ASF_PL_FLAG_KEY_FRAME 0x80 //1000 0000 |
188 | | |
189 | | #endif /* AVFORMAT_ASF_H */ |