/* * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef MPLAYER_ASF_H #define MPLAYER_ASF_H #include #include #include "libavutil/common.h" #include "mpbswap.h" /////////////////////// // ASF Object Header /////////////////////// typedef struct __attribute__((packed)) { uint8_t guid[16]; uint64_t size; } ASF_obj_header_t; //////////////// // ASF Header //////////////// typedef struct __attribute__((packed)) { ASF_obj_header_t objh; uint32_t cno; // number of subchunks uint8_t v1; // unknown (0x01) uint8_t v2; // unknown (0x02) } ASF_header_t; ///////////////////// // ASF File Header ///////////////////// typedef struct __attribute__((packed)) { uint8_t stream_id[16]; // stream GUID uint64_t file_size; uint64_t creation_time; //File creation time FILETIME 8 uint64_t num_packets; //Number of packets UINT64 8 uint64_t play_duration; //Timestamp of the end position UINT64 8 uint64_t send_duration; //Duration of the playback UINT64 8 uint64_t preroll; //Time to bufferize before playing UINT64 8 uint32_t flags; //Unknown, maybe flags ( usually contains 2 ) UINT32 4 uint32_t min_packet_size; //Min size of the packet, in bytes UINT32 4 uint32_t max_packet_size; //Max size of the packet UINT32 4 uint32_t max_bitrate; //Maximum bitrate of the media (sum of all the stream) } ASF_file_header_t; /////////////////////// // ASF Stream Header /////////////////////// typedef struct __attribute__((packed)) { uint8_t type[16]; // Stream type (audio/video) GUID 16 uint8_t concealment[16]; // Audio error concealment type GUID 16 uint64_t unk1; // Unknown, maybe reserved ( usually contains 0 ) UINT64 8 uint32_t type_size; //Total size of type-specific data UINT32 4 uint32_t stream_size; //Size of stream-specific data UINT32 4 uint16_t stream_no; //Stream number UINT16 2 uint32_t unk2; //Unknown UINT32 4 } ASF_stream_header_t; /////////////////////////// // ASF Content Description /////////////////////////// typedef struct __attribute__((packed)) { uint16_t title_size; uint16_t author_size; uint16_t copyright_size; uint16_t comment_size; uint16_t rating_size; } ASF_content_description_t; //////////////////////// // ASF Segment Header //////////////////////// typedef struct __attribute__((packed)) { uint8_t streamno; uint8_t seq; uint32_t x; uint8_t flag; } ASF_segmhdr_t; ////////////////////// // ASF Stream Chunck ////////////////////// typedef struct __attribute__((packed)) { uint16_t type; uint16_t size; uint32_t sequence_number; uint16_t unknown; uint16_t size_confirm; } ASF_stream_chunck_t; // Definition of the stream type #if BYTE_ORDER == BIG_ENDIAN #define ASF_STREAMING_CLEAR 0x2443 // $C #define ASF_STREAMING_DATA 0x2444 // $D #define ASF_STREAMING_END_TRANS 0x2445 // $E #define ASF_STREAMING_HEADER 0x2448 // $H #else #define ASF_STREAMING_CLEAR 0x4324 // $C #define ASF_STREAMING_DATA 0x4424 // $D #define ASF_STREAMING_END_TRANS 0x4524 // $E #define ASF_STREAMING_HEADER 0x4824 // $H #endif // Definition of the differents type of ASF streaming typedef enum { ASF_Unknown_e, ASF_Live_e, ASF_Prerecorded_e, ASF_Redirector_e, ASF_PlainText_e, ASF_Authenticate_e } ASF_StreamType_e; typedef struct { ASF_StreamType_e streaming_type; int request; int packet_size; int *audio_streams,n_audio,*video_streams,n_video; int audio_id, video_id; } asf_http_streaming_ctrl_t; /* * Some macros to swap little endian structures read from an ASF file * into machine endian format */ #if BYTE_ORDER == BIG_ENDIAN #define le2me_ASF_obj_header_t(h) { \ (h)->size = le2me_64((h)->size); \ } #define le2me_ASF_header_t(h) { \ le2me_ASF_obj_header_t(&(h)->objh); \ (h)->cno = le2me_32((h)->cno); \ } #define le2me_ASF_stream_header_t(h) { \ (h)->unk1 = le2me_64((h)->unk1); \ (h)->type_size = le2me_32((h)->type_size); \ (h)->stream_size = le2me_32((h)->stream_size); \ (h)->stream_no = le2me_16((h)->stream_no); \ (h)->unk2 = le2me_32((h)->unk2); \ } #define le2me_ASF_file_header_t(h) { \ (h)->file_size = le2me_64((h)->file_size); \ (h)->creation_time = le2me_64((h)->creation_time); \ (h)->num_packets = le2me_64((h)->num_packets); \ (h)->play_duration = le2me_64((h)->play_duration); \ (h)->send_duration = le2me_64((h)->send_duration); \ (h)->preroll = le2me_64((h)->preroll); \ (h)->flags = le2me_32((h)->flags); \ (h)->min_packet_size = le2me_32((h)->min_packet_size); \ (h)->max_packet_size = le2me_32((h)->max_packet_size); \ (h)->max_bitrate = le2me_32((h)->max_bitrate); \ } #define le2me_ASF_content_description_t(h) { \ (h)->title_size = le2me_16((h)->title_size); \ (h)->author_size = le2me_16((h)->author_size); \ (h)->copyright_size = le2me_16((h)->copyright_size); \ (h)->comment_size = le2me_16((h)->comment_size); \ (h)->rating_size = le2me_16((h)->rating_size); \ } #define le2me_BITMAPINFOHEADER(h) { \ (h)->biSize = le2me_32((h)->biSize); \ (h)->biWidth = le2me_32((h)->biWidth); \ (h)->biHeight = le2me_32((h)->biHeight); \ (h)->biPlanes = le2me_16((h)->biPlanes); \ (h)->biBitCount = le2me_16((h)->biBitCount); \ (h)->biCompression = le2me_32((h)->biCompression); \ (h)->biSizeImage = le2me_32((h)->biSizeImage); \ (h)->biXPelsPerMeter = le2me_32((h)->biXPelsPerMeter); \ (h)->biYPelsPerMeter = le2me_32((h)->biYPelsPerMeter); \ (h)->biClrUsed = le2me_32((h)->biClrUsed); \ (h)->biClrImportant = le2me_32((h)->biClrImportant); \ } #define le2me_WAVEFORMATEX(h) { \ (h)->wFormatTag = le2me_16((h)->wFormatTag); \ (h)->nChannels = le2me_16((h)->nChannels); \ (h)->nSamplesPerSec = le2me_32((h)->nSamplesPerSec); \ (h)->nAvgBytesPerSec = le2me_32((h)->nAvgBytesPerSec); \ (h)->nBlockAlign = le2me_16((h)->nBlockAlign); \ (h)->wBitsPerSample = le2me_16((h)->wBitsPerSample); \ (h)->cbSize = le2me_16((h)->cbSize); \ } #define le2me_ASF_stream_chunck_t(h) { \ (h)->size = le2me_16((h)->size); \ (h)->sequence_number = le2me_32((h)->sequence_number); \ (h)->unknown = le2me_16((h)->unknown); \ (h)->size_confirm = le2me_16((h)->size_confirm); \ } #else #define le2me_ASF_obj_header_t(h) /**/ #define le2me_ASF_header_t(h) /**/ #define le2me_ASF_stream_header_t(h) /**/ #define le2me_ASF_file_header_t(h) /**/ #define le2me_ASF_content_description_t(h) /**/ #define le2me_BITMAPINFOHEADER(h) /**/ #define le2me_WAVEFORMATEX(h) /**/ #define le2me_ASF_stream_chunck_t(h) /**/ #endif // priv struct for the demuxer struct asf_priv { ASF_header_t header; unsigned char* packet; int scrambling_h; int scrambling_w; int scrambling_b; unsigned packetsize; double packetrate; double movielength; int asf_is_dvr_ms; uint32_t asf_frame_state; int asf_frame_start_found; double dvr_last_vid_pts; uint64_t vid_frame_ct; uint64_t play_duration; uint64_t num_packets; int new_vid_frame_seg; int *vid_repdata_sizes; int *aud_repdata_sizes; int vid_repdata_count; int aud_repdata_count; uint64_t avg_vid_frame_time; uint64_t last_key_payload_time; uint64_t last_aud_pts; uint64_t last_aud_diff; int found_first_key_frame; uint32_t last_vid_seq; int vid_ext_timing_index; int aud_ext_timing_index; int vid_ext_frame_index; int know_frame_time; unsigned bps; }; #endif /* MPLAYER_ASF_H */