| 542993b0 |
/* |
| 406792e7 |
* Copyright (c) 2000, 2001 Fabrice Bellard |
| 542993b0 |
* |
| b78e7197 |
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or |
| 542993b0 |
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either |
| b78e7197 |
* version 2.1 of the License, or (at your option) any later version. |
| 542993b0 |
* |
| b78e7197 |
* FFmpeg is distributed in the hope that it will be useful, |
| 542993b0 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public |
| b78e7197 |
* License along with FFmpeg; if not, write to the Free Software |
| 5509bffa |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 542993b0 |
*/ |
| 99545457 |
|
| 98790382 |
#ifndef AVFORMAT_ASF_H
#define AVFORMAT_ASF_H |
| 699b3f99 |
|
| 99545457 |
#include <stdint.h>
#include "avformat.h" |
| 719e721a |
#include "metadata.h" |
| c1309b27 |
#include "riff.h" |
| 99545457 |
|
| 542993b0 |
#define PACKET_SIZE 3200
|
| 2d8c76eb |
typedef struct ASFPayload {
uint8_t type;
uint16_t size;
} ASFPayload;
|
| e4cbf752 |
typedef struct ASFStream { |
| 542993b0 |
int num; |
| 615b92fd |
unsigned char seq; |
| 542993b0 |
/* use for reading */
AVPacket pkt;
int frag_offset; |
| 465aa53f |
int packet_obj_size; |
| 542993b0 |
int timestamp;
int64_t duration; |
| d6686149 |
int skip_to_key; |
| f5cf0ea9 |
int pkt_clean; |
| 542993b0 |
|
| bb270c08 |
int ds_span; /* descrambling */ |
| 542993b0 |
int ds_packet_size;
int ds_chunk_size; |
| 115329f1 |
|
| b6eaae39 |
int64_t packet_pos; |
| 542993b0 |
|
| 5f1ac36d |
uint16_t stream_language_index;
|
| 2d8591c2 |
int palette_changed;
uint32_t palette[256]; |
| 2d8c76eb |
int payload_ext_ct;
ASFPayload payload[8]; |
| 542993b0 |
} ASFStream;
|
| e4cbf752 |
typedef struct ASFMainHeader { |
| b8b00d94 |
ff_asf_guid guid; ///< generated by client computer |
| 4c6f7440 |
uint64_t file_size; /**< in bytes
* invalid if broadcasting */
uint64_t create_time; /**< time of creation, in 100-nanosecond units since 1.1.1601
* invalid if broadcasting */
uint64_t play_time; /**< play time, in 100-nanosecond units
* invalid if broadcasting */
uint64_t send_time; /**< time to send file, in 100-nanosecond units
* invalid if broadcasting (could be ignored) */
uint32_t preroll; /**< timestamp of the first packet, in milliseconds |
| 52b541ad |
* if nonzero - subtract from time */ |
| 4c6f7440 |
uint32_t ignore; ///< preroll is 64bit - but let's just ignore it
uint32_t flags; /**< 0x01 - broadcast
* 0x02 - seekable
* rest is reserved should be 0 */
uint32_t min_pktsize; /**< size of a data packet
* invalid if broadcasting */
uint32_t max_pktsize; /**< shall be the same as for min_pktsize
* invalid if broadcasting */ |
| e19f9952 |
uint32_t max_bitrate; /**< bandwidth of stream in bps |
| 4c6f7440 |
* should be the sum of bitrates of the
* individual media streams */ |
| 542993b0 |
} ASFMainHeader;
|
| e4cbf752 |
typedef struct ASFIndex { |
| 982e53fe |
uint32_t packet_number;
uint16_t packet_count; |
| 09f3c937 |
uint64_t send_time;
uint64_t offset; |
| 982e53fe |
} ASFIndex;
|
| b8b00d94 |
extern const ff_asf_guid ff_asf_header;
extern const ff_asf_guid ff_asf_file_header;
extern const ff_asf_guid ff_asf_stream_header;
extern const ff_asf_guid ff_asf_ext_stream_header;
extern const ff_asf_guid ff_asf_audio_stream;
extern const ff_asf_guid ff_asf_audio_conceal_none;
extern const ff_asf_guid ff_asf_audio_conceal_spread;
extern const ff_asf_guid ff_asf_video_stream; |
| 7428c8f5 |
extern const ff_asf_guid ff_asf_jfif_media; |
| b8b00d94 |
extern const ff_asf_guid ff_asf_video_conceal_none;
extern const ff_asf_guid ff_asf_command_stream;
extern const ff_asf_guid ff_asf_comment_header;
extern const ff_asf_guid ff_asf_codec_comment_header;
extern const ff_asf_guid ff_asf_codec_comment1_header;
extern const ff_asf_guid ff_asf_data_header;
extern const ff_asf_guid ff_asf_head1_guid;
extern const ff_asf_guid ff_asf_head2_guid;
extern const ff_asf_guid ff_asf_extended_content_header;
extern const ff_asf_guid ff_asf_simple_index_header;
extern const ff_asf_guid ff_asf_ext_stream_embed_stream_header;
extern const ff_asf_guid ff_asf_ext_stream_audio_stream;
extern const ff_asf_guid ff_asf_metadata_header; |
| 84b721db |
extern const ff_asf_guid ff_asf_metadata_library_header; |
| 88b51ea9 |
extern const ff_asf_guid ff_asf_marker_header; |
| 1eb93280 |
extern const ff_asf_guid ff_asf_reserved_4; |
| b8b00d94 |
extern const ff_asf_guid ff_asf_my_guid; |
| 5f1ac36d |
extern const ff_asf_guid ff_asf_language_guid; |
| febd1c90 |
extern const ff_asf_guid ff_asf_content_encryption;
extern const ff_asf_guid ff_asf_ext_content_encryption;
extern const ff_asf_guid ff_asf_digital_signature; |
| 615b92fd |
|
| 719e721a |
extern const AVMetadataConv ff_asf_metadata_conv[];
|
| 615b92fd |
#define ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT 0x80 //1000 0000
// ASF data packet structure
// =========================
//
//
// -----------------------------------
// | Error Correction Data | Optional
// -----------------------------------
// | Payload Parsing Information (PPI) |
// -----------------------------------
// | Payload Data |
// -----------------------------------
// | Padding Data |
// -----------------------------------
// PPI_FLAG - Payload parsing information flags
#define ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT 1
#define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE 0x02 //0000 0010
#define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD 0x04 //0000 0100
#define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD 0x06 //0000 0110
#define ASF_PPI_MASK_SEQUENCE_FIELD_SIZE 0x06 //0000 0110
#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE 0x08 //0000 1000
#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD 0x10 //0001 0000
#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD 0x18 //0001 1000
#define ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE 0x18 //0001 1000
#define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE 0x20 //0010 0000
#define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD 0x40 //0100 0000
#define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD 0x60 //0110 0000
#define ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE 0x60 //0110 0000
// PL_FLAG - Payload flags
#define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE 0x01 //0000 0001
#define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD 0x02 //0000 0010
#define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD 0x03 //0000 0011
#define ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE 0x03 //0000 0011
#define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_BYTE 0x04 //0000 0100
#define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_WORD 0x08 //0000 1000
#define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD 0x0c //0000 1100
#define ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE 0x0c //0000 1100
#define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE 0x10 //0001 0000
#define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD 0x20 //0010 0000
#define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD 0x30 //0011 0000
#define ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE 0x30 //0011 0000
#define ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE 0x40 //0100 0000
#define ASF_PL_MASK_STREAM_NUMBER_LENGTH_FIELD_SIZE 0xc0 //1100 0000
#define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE 0x40 //0100 0000
#define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD 0x80 //1000 0000
#define ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE 0xc0 //1100 0000
#define ASF_PL_FLAG_KEY_FRAME 0x80 //1000 0000 |
| 699b3f99 |
|
| 66355be3 |
extern AVInputFormat ff_asf_demuxer; |
| b9afb044 |
|
| 98790382 |
#endif /* AVFORMAT_ASF_H */ |