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demux.hpp
资源名称：vlc-1.0.5.zip [点击查看]
上传用户：kjfoods
上传日期：2020-07-06
资源大小：29949k
文件大小：14k
源码类别：
midi
开发平台：
Unix_Linux
- /*****************************************************************************
- * mkv.cpp : matroska demuxer
- *****************************************************************************
- * Copyright (C) 2003-2004 the VideoLAN team
- * $Id: e96a3a86a90daeb636096447020046ef9341be4c $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Steve Lhomme <steve.lhomme@free.fr>
- *
- * This program 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.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef _DEMUX_SYS_H
- #define _DEMUX_SYS_H
- #include "mkv.hpp"
- #include "chapter_command.hpp"
- #include "virtual_segment.hpp"
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- #undef ATTRIBUTE_PACKED
- #undef PRAGMA_PACK_BEGIN
- #undef PRAGMA_PACK_END
- #if defined(__GNUC__)
- #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
- #define ATTRIBUTE_PACKED __attribute__ ((packed))
- #define PRAGMA_PACK 0
- #endif
- #endif
- #if !defined(ATTRIBUTE_PACKED)
- #define ATTRIBUTE_PACKED
- #define PRAGMA_PACK 1
- #endif
- #if PRAGMA_PACK
- #pragma pack(1)
- #endif
- /*************************************
- * taken from libdvdnav / libdvdread
- **************************************/
- /**
- * DVD Time Information.
- */
- typedef struct {
- uint8_t hour;
- uint8_t minute;
- uint8_t second;
- uint8_t frame_u; /* The two high bits are the frame rate. */
- } ATTRIBUTE_PACKED dvd_time_t;
- /**
- * User Operations.
- */
- typedef struct {
- #ifdef WORDS_BIGENDIAN
- unsigned char zero : 7; /* 25-31 */
- unsigned char video_pres_mode_change : 1; /* 24 */
- unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
- unsigned char angle_change : 1;
- unsigned char subpic_stream_change : 1;
- unsigned char audio_stream_change : 1;
- unsigned char pause_on : 1;
- unsigned char still_off : 1;
- unsigned char button_select_or_activate : 1;
- unsigned char resume : 1; /* 16 */
- unsigned char chapter_menu_call : 1; /* 15 */
- unsigned char angle_menu_call : 1;
- unsigned char audio_menu_call : 1;
- unsigned char subpic_menu_call : 1;
- unsigned char root_menu_call : 1;
- unsigned char title_menu_call : 1;
- unsigned char backward_scan : 1;
- unsigned char forward_scan : 1; /* 8 */
- unsigned char next_pg_search : 1; /* 7 */
- unsigned char prev_or_top_pg_search : 1;
- unsigned char time_or_chapter_search : 1;
- unsigned char go_up : 1;
- unsigned char stop : 1;
- unsigned char title_play : 1;
- unsigned char chapter_search_or_play : 1;
- unsigned char title_or_time_play : 1; /* 0 */
- #else
- unsigned char video_pres_mode_change : 1; /* 24 */
- unsigned char zero : 7; /* 25-31 */
- unsigned char resume : 1; /* 16 */
- unsigned char button_select_or_activate : 1;
- unsigned char still_off : 1;
- unsigned char pause_on : 1;
- unsigned char audio_stream_change : 1;
- unsigned char subpic_stream_change : 1;
- unsigned char angle_change : 1;
- unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
- unsigned char forward_scan : 1; /* 8 */
- unsigned char backward_scan : 1;
- unsigned char title_menu_call : 1;
- unsigned char root_menu_call : 1;
- unsigned char subpic_menu_call : 1;
- unsigned char audio_menu_call : 1;
- unsigned char angle_menu_call : 1;
- unsigned char chapter_menu_call : 1; /* 15 */
- unsigned char title_or_time_play : 1; /* 0 */
- unsigned char chapter_search_or_play : 1;
- unsigned char title_play : 1;
- unsigned char stop : 1;
- unsigned char go_up : 1;
- unsigned char time_or_chapter_search : 1;
- unsigned char prev_or_top_pg_search : 1;
- unsigned char next_pg_search : 1; /* 7 */
- #endif
- } ATTRIBUTE_PACKED user_ops_t;
- /**
- * Type to store per-command data.
- */
- typedef struct {
- uint8_t bytes[8];
- } ATTRIBUTE_PACKED vm_cmd_t;
- #define COMMAND_DATA_SIZE 8
- /**
- * PCI General Information
- */
- typedef struct {
- uint32_t nv_pck_lbn; /**< sector address of this nav pack */
- uint16_t vobu_cat; /**< 'category' of vobu */
- uint16_t zero1; /**< reserved */
- user_ops_t vobu_uop_ctl; /**< UOP of vobu */
- uint32_t vobu_s_ptm; /**< start presentation time of vobu */
- uint32_t vobu_e_ptm; /**< end presentation time of vobu */
- uint32_t vobu_se_e_ptm; /**< end ptm of sequence end in vobu */
- dvd_time_t e_eltm; /**< Cell elapsed time */
- char vobu_isrc[32];
- } ATTRIBUTE_PACKED pci_gi_t;
- /**
- * Non Seamless Angle Information
- */
- typedef struct {
- uint32_t nsml_agl_dsta[9]; /**< address of destination vobu in AGL_C#n */
- } ATTRIBUTE_PACKED nsml_agli_t;
- /**
- * Highlight General Information
- *
- * For btngrX_dsp_ty the bits have the following meaning:
- * 000b: normal 4/3 only buttons
- * XX1b: wide (16/9) buttons
- * X1Xb: letterbox buttons
- * 1XXb: pan&scan buttons
- */
- typedef struct {
- uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
- uint32_t hli_s_ptm; /**< start ptm of hli */
- uint32_t hli_e_ptm; /**< end ptm of hli */
- uint32_t btn_se_e_ptm; /**< end ptm of button select */
- #ifdef WORDS_BIGENDIAN
- unsigned char zero1 : 2; /**< reserved */
- unsigned char btngr_ns : 2; /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
- unsigned char zero2 : 1; /**< reserved */
- unsigned char btngr1_dsp_ty : 3; /**< display type of subpic stream for button group 1 */
- unsigned char zero3 : 1; /**< reserved */
- unsigned char btngr2_dsp_ty : 3; /**< display type of subpic stream for button group 2 */
- unsigned char zero4 : 1; /**< reserved */
- unsigned char btngr3_dsp_ty : 3; /**< display type of subpic stream for button group 3 */
- #else
- unsigned char btngr1_dsp_ty : 3;
- unsigned char zero2 : 1;
- unsigned char btngr_ns : 2;
- unsigned char zero1 : 2;
- unsigned char btngr3_dsp_ty : 3;
- unsigned char zero4 : 1;
- unsigned char btngr2_dsp_ty : 3;
- unsigned char zero3 : 1;
- #endif
- uint8_t btn_ofn; /**< button offset number range 0-255 */
- uint8_t btn_ns; /**< number of valid buttons <= 36/18/12 (low 6 bits) */
- uint8_t nsl_btn_ns; /**< number of buttons selectable by U_BTNNi (low 6 bits) nsl_btn_ns <= btn_ns */
- uint8_t zero5; /**< reserved */
- uint8_t fosl_btnn; /**< forcedly selected button (low 6 bits) */
- uint8_t foac_btnn; /**< forcedly activated button (low 6 bits) */
- } ATTRIBUTE_PACKED hl_gi_t;
- /**
- * Button Color Information Table
- * Each entry beeing a 32bit word that contains the color indexs and alpha
- * values to use. They are all represented by 4 bit number and stored
- * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0]. The actual palette
- * that the indexes reference is in the PGC.
- * todo split the uint32_t into a struct
- */
- typedef struct {
- uint32_t btn_coli[3][2]; /**< [button color number-1][select:0/action:1] */
- } ATTRIBUTE_PACKED btn_colit_t;
- /**
- * Button Information
- *
- * NOTE: I've had to change the structure from the disk layout to get
- * the packing to work with Sun's Forte C compiler.
- * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ is: ABCG DEFH IJ
- */
- typedef struct {
- #ifdef WORDS_BIGENDIAN
- uint32 btn_coln : 2; /**< button color number */
- uint32 x_start : 10; /**< x start offset within the overlay */
- uint32 zero1 : 2; /**< reserved */
- uint32 x_end : 10; /**< x end offset within the overlay */
- uint32 zero3 : 2; /**< reserved */
- uint32 up : 6; /**< button index when pressing up */
- uint32 auto_action_mode : 2; /**< 0: no, 1: activated if selected */
- uint32 y_start : 10; /**< y start offset within the overlay */
- uint32 zero2 : 2; /**< reserved */
- uint32 y_end : 10; /**< y end offset within the overlay */
- uint32 zero4 : 2; /**< reserved */
- uint32 down : 6; /**< button index when pressing down */
- unsigned char zero5 : 2; /**< reserved */
- unsigned char left : 6; /**< button index when pressing left */
- unsigned char zero6 : 2; /**< reserved */
- unsigned char right : 6; /**< button index when pressing right */
- #else
- uint32 x_end : 10;
- uint32 zero1 : 2;
- uint32 x_start : 10;
- uint32 btn_coln : 2;
- uint32 up : 6;
- uint32 zero3 : 2;
- uint32 y_end : 10;
- uint32 zero2 : 2;
- uint32 y_start : 10;
- uint32 auto_action_mode : 2;
- uint32 down : 6;
- uint32 zero4 : 2;
- unsigned char left : 6;
- unsigned char zero5 : 2;
- unsigned char right : 6;
- unsigned char zero6 : 2;
- #endif
- vm_cmd_t cmd;
- } ATTRIBUTE_PACKED btni_t;
- /**
- * Highlight Information
- */
- typedef struct {
- hl_gi_t hl_gi;
- btn_colit_t btn_colit;
- btni_t btnit[36];
- } ATTRIBUTE_PACKED hli_t;
- /**
- * PCI packet
- */
- typedef struct {
- pci_gi_t pci_gi;
- nsml_agli_t nsml_agli;
- hli_t hli;
- uint8_t zero1[189];
- } ATTRIBUTE_PACKED pci_t;
- #if PRAGMA_PACK
- #pragma pack()
- #endif
- ////////////////////////////////////////
- class virtual_segment_c;
- class chapter_item_c;
- typedef struct
- {
- VLC_COMMON_MEMBERS
- demux_t *p_demux;
- vlc_mutex_t lock;
- bool b_moved;
- bool b_clicked;
- int i_key_action;
- } event_thread_t;
- class demux_sys_t
- {
- public:
- demux_sys_t( demux_t & demux )
- :demuxer(demux)
- ,i_pts(0)
- ,i_start_pts(0)
- ,i_chapter_time(0)
- ,meta(NULL)
- ,i_current_title(0)
- ,p_current_segment(NULL)
- ,dvd_interpretor( *this )
- ,f_duration(-1.0)
- ,b_ui_hooked(false)
- ,p_input(NULL)
- ,b_pci_packet_set(false)
- ,p_ev(NULL)
- {
- vlc_mutex_init( &lock_demuxer );
- }
- virtual ~demux_sys_t();
- /* current data */
- demux_t & demuxer;
- mtime_t i_pts;
- mtime_t i_start_pts;
- mtime_t i_chapter_time;
- vlc_meta_t *meta;
- std::vector<input_title_t*> titles; // matroska editions
- size_t i_current_title;
- std::vector<matroska_stream_c*> streams;
- std::vector<attachment_c*> stored_attachments;
- std::vector<matroska_segment_c*> opened_segments;
- std::vector<virtual_segment_c*> used_segments;
- virtual_segment_c *p_current_segment;
- dvd_command_interpretor_c dvd_interpretor;
- /* duration of the stream */
- float f_duration;
- matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
- chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
- bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
- const void *p_cookie,
- size_t i_cookie_size,
- virtual_segment_c * & p_segment_found );
- chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
- void PreloadFamily( const matroska_segment_c & of_segment );
- void PreloadLinked( matroska_segment_c *p_segment );
- bool PreparePlayback( virtual_segment_c *p_new_segment );
- matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
- void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
- void StartUiThread();
- void StopUiThread();
- bool b_ui_hooked;
- void SwapButtons();
- /* for spu variables */
- input_thread_t *p_input;
- pci_t pci_packet;
- bool b_pci_packet_set;
- uint8_t palette[4][4];
- vlc_mutex_t lock_demuxer;
- /* event */
- event_thread_t *p_ev;
- static void * EventThread( vlc_object_t *p_this );
- static int EventMouse( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data );
- static int EventKey( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data );
- protected:
- virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
- bool IsUsedSegment( matroska_segment_c &p_segment ) const;
- };
- #endif
