00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021 #ifndef FFMPEG_ASF_H
00022 #define FFMPEG_ASF_H
00023
00024 #include <stdint.h>
00025 #include "avformat.h"
00026
00027 #define PACKET_SIZE 3200
00028
00029 typedef struct {
00030 int num;
00031 unsigned char seq;
00032
00033 AVPacket pkt;
00034 int frag_offset;
00035 int timestamp;
00036 int64_t duration;
00037
00038 int ds_span;
00039 int ds_packet_size;
00040 int ds_chunk_size;
00041
00042 int64_t packet_pos;
00043
00044 } ASFStream;
00045
00046 typedef uint8_t GUID[16];
00047
00048 typedef struct {
00049 GUID guid;
00050 uint64_t file_size;
00052 uint64_t create_time;
00054 uint64_t play_time;
00056 uint64_t send_time;
00058 uint32_t preroll;
00060 uint32_t ignore;
00061 uint32_t flags;
00064 uint32_t min_pktsize;
00066 uint32_t max_pktsize;
00068 uint32_t max_bitrate;
00071 } ASFMainHeader;
00072
00073
00074 typedef struct {
00075 uint32_t packet_number;
00076 uint16_t packet_count;
00077 } ASFIndex;
00078
00079
00080 typedef struct {
00081 uint32_t seqno;
00082 unsigned int packet_size;
00083 int is_streamed;
00084 int asfid2avid[128];
00085 ASFStream streams[128];
00086 uint32_t stream_bitrates[128];
00087
00088 uint64_t nb_packets;
00089 int64_t duration;
00090
00091 unsigned char multi_payloads_present;
00092 int packet_size_left;
00093 int packet_timestamp_start;
00094 int packet_timestamp_end;
00095 unsigned int packet_nb_payloads;
00096 int packet_nb_frames;
00097 uint8_t packet_buf[PACKET_SIZE];
00098 ByteIOContext pb;
00099
00100 uint64_t data_offset;
00101 uint64_t data_object_offset;
00102 uint64_t data_object_size;
00103 int index_read;
00104
00105 ASFMainHeader hdr;
00106
00107 int packet_flags;
00108 int packet_property;
00109 int packet_timestamp;
00110 int packet_segsizetype;
00111 int packet_segments;
00112 int packet_seq;
00113 int packet_replic_size;
00114 int packet_key_frame;
00115 int packet_padsize;
00116 unsigned int packet_frag_offset;
00117 unsigned int packet_frag_size;
00118 int64_t packet_frag_timestamp;
00119 int packet_multi_size;
00120 int packet_obj_size;
00121 int packet_time_delta;
00122 int packet_time_start;
00123 int64_t packet_pos;
00124
00125 int stream_index;
00126
00127
00128 int64_t last_indexed_pts;
00129 ASFIndex* index_ptr;
00130 uint32_t nb_index_count;
00131 uint32_t nb_index_memory_alloc;
00132 uint16_t maximum_packet;
00133
00134 ASFStream* asf_st;
00135 } ASFContext;
00136
00137 static const GUID asf_header = {
00138 0x30, 0x26, 0xB2, 0x75, 0x8E, 0x66, 0xCF, 0x11, 0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C
00139 };
00140
00141 static const GUID file_header = {
00142 0xA1, 0xDC, 0xAB, 0x8C, 0x47, 0xA9, 0xCF, 0x11, 0x8E, 0xE4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65
00143 };
00144
00145 static const GUID stream_header = {
00146 0x91, 0x07, 0xDC, 0xB7, 0xB7, 0xA9, 0xCF, 0x11, 0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65
00147 };
00148
00149 static const GUID ext_stream_header = {
00150 0xCB, 0xA5, 0xE6, 0x14, 0x72, 0xC6, 0x32, 0x43, 0x83, 0x99, 0xA9, 0x69, 0x52, 0x06, 0x5B, 0x5A
00151 };
00152
00153 static const GUID audio_stream = {
00154 0x40, 0x9E, 0x69, 0xF8, 0x4D, 0x5B, 0xCF, 0x11, 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B
00155 };
00156
00157 static const GUID audio_conceal_none = {
00158
00159
00160 0x00, 0x57, 0xfb, 0x20, 0x55, 0x5B, 0xCF, 0x11, 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b
00161 };
00162
00163 static const GUID audio_conceal_spread = {
00164 0x50, 0xCD, 0xC3, 0xBF, 0x8F, 0x61, 0xCF, 0x11, 0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20
00165 };
00166
00167 static const GUID video_stream = {
00168 0xC0, 0xEF, 0x19, 0xBC, 0x4D, 0x5B, 0xCF, 0x11, 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B
00169 };
00170
00171 static const GUID video_conceal_none = {
00172 0x00, 0x57, 0xFB, 0x20, 0x55, 0x5B, 0xCF, 0x11, 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B
00173 };
00174
00175 static const GUID command_stream = {
00176 0xC0, 0xCF, 0xDA, 0x59, 0xE6, 0x59, 0xD0, 0x11, 0xA3, 0xAC, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6
00177 };
00178
00179 static const GUID comment_header = {
00180 0x33, 0x26, 0xb2, 0x75, 0x8E, 0x66, 0xCF, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c
00181 };
00182
00183 static const GUID codec_comment_header = {
00184 0x40, 0x52, 0xD1, 0x86, 0x1D, 0x31, 0xD0, 0x11, 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6
00185 };
00186 static const GUID codec_comment1_header = {
00187 0x41, 0x52, 0xd1, 0x86, 0x1D, 0x31, 0xD0, 0x11, 0xa3, 0xa4, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6
00188 };
00189
00190 static const GUID data_header = {
00191 0x36, 0x26, 0xb2, 0x75, 0x8E, 0x66, 0xCF, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c
00192 };
00193
00194 static const GUID head1_guid = {
00195 0xb5, 0x03, 0xbf, 0x5f, 0x2E, 0xA9, 0xCF, 0x11, 0x8e, 0xe3, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65
00196 };
00197
00198 static const GUID head2_guid = {
00199 0x11, 0xd2, 0xd3, 0xab, 0xBA, 0xA9, 0xCF, 0x11, 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65
00200 };
00201
00202 static const GUID extended_content_header = {
00203 0x40, 0xA4, 0xD0, 0xD2, 0x07, 0xE3, 0xD2, 0x11, 0x97, 0xF0, 0x00, 0xA0, 0xC9, 0x5E, 0xA8, 0x50
00204 };
00205
00206 static const GUID simple_index_header = {
00207 0x90, 0x08, 0x00, 0x33, 0xB1, 0xE5, 0xCF, 0x11, 0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB
00208 };
00209
00210 static const GUID ext_stream_embed_stream_header = {
00211 0xe2, 0x65, 0xfb, 0x3a, 0xEF, 0x47, 0xF2, 0x40, 0xac, 0x2c, 0x70, 0xa9, 0x0d, 0x71, 0xd3, 0x43
00212 };
00213
00214 static const GUID ext_stream_audio_stream = {
00215 0x9d, 0x8c, 0x17, 0x31, 0xE1, 0x03, 0x28, 0x45, 0xb5, 0x82, 0x3d, 0xf9, 0xdb, 0x22, 0xf5, 0x03
00216 };
00217
00218 static const GUID metadata_header = {
00219 0xea, 0xcb, 0xf8, 0xc5, 0xaf, 0x5b, 0x77, 0x48, 0x84, 0x67, 0xaa, 0x8c, 0x44, 0xfa, 0x4c, 0xca
00220 };
00221
00222
00223
00224 static const GUID my_guid = {
00225 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
00226 };
00227
00228 #define ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT 0x80 //1000 0000
00229
00230
00231
00232
00233
00234
00235
00236
00237
00238
00239
00240
00241
00242
00243
00244
00245
00246
00247 #define ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT 1
00248
00249 #define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE 0x02 //0000 0010
00250 #define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD 0x04 //0000 0100
00251 #define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD 0x06 //0000 0110
00252 #define ASF_PPI_MASK_SEQUENCE_FIELD_SIZE 0x06 //0000 0110
00253
00254 #define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE 0x08 //0000 1000
00255 #define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD 0x10 //0001 0000
00256 #define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD 0x18 //0001 1000
00257 #define ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE 0x18 //0001 1000
00258
00259 #define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE 0x20 //0010 0000
00260 #define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD 0x40 //0100 0000
00261 #define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD 0x60 //0110 0000
00262 #define ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE 0x60 //0110 0000
00263
00264
00265 #define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE 0x01 //0000 0001
00266 #define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD 0x02 //0000 0010
00267 #define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD 0x03 //0000 0011
00268 #define ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE 0x03 //0000 0011
00269
00270 #define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_BYTE 0x04 //0000 0100
00271 #define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_WORD 0x08 //0000 1000
00272 #define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD 0x0c //0000 1100
00273 #define ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE 0x0c //0000 1100
00274
00275 #define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE 0x10 //0001 0000
00276 #define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD 0x20 //0010 0000
00277 #define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD 0x30 //0011 0000
00278 #define ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE 0x30 //0011 0000
00279
00280 #define ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE 0x40 //0100 0000
00281 #define ASF_PL_MASK_STREAM_NUMBER_LENGTH_FIELD_SIZE 0xc0 //1100 0000
00282
00283 #define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE 0x40 //0100 0000
00284 #define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD 0x80 //1000 0000
00285 #define ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE 0xc0 //1100 0000
00286
00287 #define ASF_PL_FLAG_KEY_FRAME 0x80 //1000 0000
00288
00289 #endif