mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 11:25:10 +00:00
610912b8b5
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1486 b3059339-0415-0410-9bf9-f77b7e298cf2
201 lines
6.3 KiB
C
201 lines
6.3 KiB
C
#ifndef __ASF_H
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#define __ASF_H
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#include "config.h" /* for WORDS_BIGENDIAN */
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#include <inttypes.h>
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#include "bswap.h"
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#ifdef STREAMING
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#include "network.h"
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#endif
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#ifndef MIN
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#define MIN(a,b) ((a<b)?a:b)
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#endif
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///////////////////////
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// MS GUID definition
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///////////////////////
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#ifndef GUID_DEFINED
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#define GUID_DEFINED
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// Size of GUID is 16 bytes!
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typedef struct __attribute__((packed)) {
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uint32_t Data1; // 4 bytes
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uint16_t Data2; // 2 bytes
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uint16_t Data3; // 2 bytes
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uint8_t Data4[8]; // 8 bytes
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} GUID_t;
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#endif
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///////////////////////
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// ASF Object Header
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///////////////////////
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typedef struct __attribute__((packed)) {
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uint8_t guid[16];
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uint64_t size;
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} ASF_obj_header_t;
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////////////////
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// ASF Header
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////////////////
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typedef struct __attribute__((packed)) {
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ASF_obj_header_t objh;
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uint32_t cno; // number of subchunks
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uint8_t v1; // unknown (0x01)
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uint8_t v2; // unknown (0x02)
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} ASF_header_t;
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/////////////////////
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// ASF File Header
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/////////////////////
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typedef struct __attribute__((packed)) {
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uint8_t client[16]; // Client GUID
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uint64_t file_size;
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uint64_t creat_time; //File creation time FILETIME 8
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uint64_t packets; //Number of packets UINT64 8
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uint64_t end_timestamp; //Timestamp of the end position UINT64 8
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uint64_t duration; //Duration of the playback UINT64 8
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uint32_t start_timestamp; //Timestamp of the start position UINT32 4
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uint32_t unk1; //Unknown, maybe reserved ( usually contains 0 ) UINT32 4
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uint32_t flags; //Unknown, maybe flags ( usually contains 2 ) UINT32 4
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uint32_t packetsize; //Size of packet, in bytes UINT32 4
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uint32_t packetsize2; //Size of packet ( confirm ) UINT32 4
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uint32_t frame_size; //Size of uncompressed video frame UINT32 4
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} ASF_file_header_t;
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///////////////////////
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// ASF Stream Header
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///////////////////////
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typedef struct __attribute__((packed)) {
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uint8_t type[16]; // Stream type (audio/video) GUID 16
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uint8_t concealment[16]; // Audio error concealment type GUID 16
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uint64_t unk1; // Unknown, maybe reserved ( usually contains 0 ) UINT64 8
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uint32_t type_size; //Total size of type-specific data UINT32 4
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uint32_t stream_size; //Size of stream-specific data UINT32 4
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uint16_t stream_no; //Stream number UINT16 2
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uint32_t unk2; //Unknown UINT32 4
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} ASF_stream_header_t;
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///////////////////////////
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// ASF Content Description
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///////////////////////////
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typedef struct __attribute__((packed)) {
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uint16_t title_size;
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uint16_t author_size;
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uint16_t copyright_size;
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uint16_t comment_size;
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uint16_t rating_size;
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} ASF_content_description_t;
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////////////////////////
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// ASF Segment Header
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////////////////////////
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typedef struct __attribute__((packed)) {
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uint8_t streamno;
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uint8_t seq;
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uint32_t x;
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uint8_t flag;
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} ASF_segmhdr_t;
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//////////////////////
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// ASF Stream Chunck
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//////////////////////
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typedef struct __attribute__((packed)) {
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uint16_t type;
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uint16_t size;
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uint32_t sequence_number;
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uint16_t unknown;
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uint16_t size_confirm;
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} ASF_stream_chunck_t;
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// Definition of the differents type of ASF streaming
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typedef enum {
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ASF_Unknown_e,
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ASF_Live_e,
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ASF_Prerecorded_e,
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ASF_Redirector_e
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} ASF_StreamType_e;
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/*
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* Some macros to swap little endian structures read from an ASF file
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* into machine endian format
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*/
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#ifdef WORDS_BIGENDIAN
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#define le2me_ASF_obj_header_t(h) { \
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(h)->size = le2me_64((h)->size); \
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}
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#define le2me_ASF_header_t(h) { \
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le2me_ASF_obj_header_t(&(h)->objh); \
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(h)->cno = le2me_32((h)->cno); \
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}
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#define le2me_ASF_stream_header_t(h) { \
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(h)->unk1 = le2me_64((h)->unk1); \
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(h)->type_size = le2me_32((h)->type_size); \
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(h)->stream_size = le2me_32((h)->stream_size); \
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(h)->stream_no = le2me_16((h)->stream_no); \
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(h)->unk2 = le2me_32((h)->unk2); \
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}
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#define le2me_ASF_file_header_t(h) { \
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(h)->file_size = le2me_64((h)->file_size); \
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(h)->creat_time = le2me_64((h)->creat_time); \
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(h)->packets = le2me_64((h)->packets); \
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(h)->end_timestamp = le2me_64((h)->end_timestamp); \
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(h)->duration = le2me_64((h)->duration); \
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(h)->start_timestamp = le2me_32((h)->start_timestamp); \
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(h)->unk1 = le2me_32((h)->unk1); \
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(h)->flags = le2me_32((h)->flags); \
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(h)->packetsize = le2me_32((h)->packetsize); \
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(h)->packetsize2 = le2me_32((h)->packetsize2); \
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(h)->frame_size = le2me_32((h)->frame_size); \
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}
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#define le2me_ASF_content_description_t(h) { \
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(h)->title_size = le2me_16((h)->title_size); \
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(h)->author_size = le2me_16((h)->author_size); \
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(h)->copyright_size = le2me_16((h)->copyright_size); \
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(h)->comment_size = le2me_16((h)->comment_size); \
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(h)->rating_size = le2me_16((h)->rating_size); \
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}
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#define le2me_BITMAPINFOHEADER(h) { \
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(h)->biSize = le2me_32((h)->biSize); \
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(h)->biWidth = le2me_32((h)->biWidth); \
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(h)->biHeight = le2me_32((h)->biHeight); \
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(h)->biPlanes = le2me_16((h)->biPlanes); \
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(h)->biBitCount = le2me_16((h)->biBitCount); \
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(h)->biCompression = le2me_32((h)->biCompression); \
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(h)->biSizeImage = le2me_32((h)->biSizeImage); \
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(h)->biXPelsPerMeter = le2me_32((h)->biXPelsPerMeter); \
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(h)->biYPelsPerMeter = le2me_32((h)->biYPelsPerMeter); \
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(h)->biClrUsed = le2me_32((h)->biClrUsed); \
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(h)->biClrImportant = le2me_32((h)->biClrImportant); \
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}
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#define le2me_WAVEFORMATEX(h) { \
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(h)->wFormatTag = le2me_16((h)->wFormatTag); \
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(h)->nChannels = le2me_16((h)->nChannels); \
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(h)->nSamplesPerSec = le2me_32((h)->nSamplesPerSec); \
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(h)->nAvgBytesPerSec = le2me_32((h)->nAvgBytesPerSec); \
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(h)->nBlockAlign = le2me_16((h)->nBlockAlign); \
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(h)->wBitsPerSample = le2me_16((h)->wBitsPerSample); \
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(h)->cbSize = le2me_16((h)->cbSize); \
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}
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#else
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#define le2me_ASF_obj_header_t(h) /**/
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#define le2me_ASF_header_t(h) /**/
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#define le2me_ASF_stream_header_t(h) /**/
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#define le2me_ASF_file_header_t(h) /**/
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#define le2me_ASF_content_description_t(h) /**/
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#define le2me_BITMAPINFOHEADER(h) /**/
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#define le2me_WAVEFORMATEX(h) /**/
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#endif
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#ifdef STREAMING
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int asf_http_streaming_type(char *content_type, char *features);
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int asf_http_streaming_start( streaming_ctrl_t *streaming_ctrl );
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int asf_http_streaming_read( streaming_ctrl_t *streaming_ctrl );
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int asf_streaming(char *data, int length, int *drop_packet );
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#endif
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#endif
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