text: /*****************************************************************************
   * input_internal.h: Internal input structures
   *****************************************************************************
   * Copyright (C) 1998-2006 VLC authors and VideoLAN
   * $Id: 2236313b9c1fa6859842715d6f35c03fd5840e8b $
   *
   * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser 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 LIBVLC_INPUT_INTERNAL_H
  #define LIBVLC_INPUT_INTERNAL_H 1
  
  #include <vlc_access.h>
  #include <vlc_demux.h>
  #include <vlc_input.h>
  //#include <libvlc.h>
  //#include "input_interface.h"
  
  /*****************************************************************************
   *  Private input fields
   *****************************************************************************/
  
  #define INPUT_CONTROL_FIFO_SIZE    100
  
  /* input_source_t: gathers all information per input source */
  typedef struct
  {
      demux_t  *p_demux; /**< Demux plugin instance */
  
      /* Title infos for that input */
      bool         b_title_demux; /* Titles/Seekpoints provided by demux */
      int          i_title;
      input_title_t **title;
  
      int i_title_offset;
      int i_seekpoint_offset;
  
      int i_title_start;
      int i_title_end;
      int i_seekpoint_start;
      int i_seekpoint_end;
  
      /* Properties */
      bool b_can_pause;
      bool b_can_pace_control;
      bool b_can_rate_control;
      bool b_can_stream_record;
      bool b_rescale_ts;
  
      /* */
      int64_t i_pts_delay;
  
      bool       b_eof;   /* eof of demuxer */
  
  } input_source_t;
  
  typedef struct
  {
      int         i_type;
      vlc_value_t val;
  } input_control_t;
  
  /** Private input fields */
  struct input_thread_private_t
  {
      /* Global properties */
      double      f_fps;
      int         i_state;
      bool        b_can_pause;
      bool        b_can_rate_control;
      bool        b_can_pace_control;
  
      /* Current state */
      bool        b_recording;
      int         i_rate;
  
      /* Playtime configuration and state */
      int64_t     i_start;    /* :start-time,0 by default */
      int64_t     i_stop;     /* :stop-time, 0 if none */
      int64_t     i_run;      /* :run-time, 0 if none */
      int64_t     i_time;     /* Current time */
      bool        b_fast_seek;/* :input-fast-seek */
  
      /* Output */
      bool            b_out_pace_control; /* XXX Move it ot es_sout ? */
      sout_instance_t *p_sout;            /* Idem ? */
      es_out_t        *p_es_out;
      es_out_t        *p_es_out_display;
  
      /* Title infos FIXME multi-input (not easy) ? */
      int          i_title;
      input_title_t **title;
  
      int i_title_offset;
      int i_seekpoint_offset;
  
      /* User bookmarks FIXME won't be easy with multiples input */
      seekpoint_t bookmark;
      int         i_bookmark;
      seekpoint_t **pp_bookmark;
  
      /* Input attachment */
      int i_attachment;
      input_attachment_t **attachment;
      demux_t **attachment_demux;
  
      /* Main input properties */
  
      /* Input item */
      input_item_t   *p_item;
  
      /* Main source */
      input_source_t input;
      /* Slave sources (subs, and others) */
      int            i_slave;
      input_source_t **slave;
  
      /* Resources */
      input_resource_t *p_resource;
      input_resource_t *p_resource_private;
  
      /* Stats counters */
      struct {
          counter_t *p_read_packets;
          counter_t *p_read_bytes;
          counter_t *p_input_bitrate;
          counter_t *p_demux_read;
          counter_t *p_demux_bitrate;
          counter_t *p_demux_corrupted;
          counter_t *p_demux_discontinuity;
          counter_t *p_decoded_audio;
          counter_t *p_decoded_video;
          counter_t *p_decoded_sub;
          counter_t *p_sout_sent_packets;
          counter_t *p_sout_sent_bytes;
          counter_t *p_sout_send_bitrate;
          counter_t *p_played_abuffers;
          counter_t *p_lost_abuffers;
          counter_t *p_displayed_pictures;
          counter_t *p_lost_pictures;
          vlc_mutex_t counters_lock;
      } counters;
  
      /* Buffer of pending actions */
      vlc_mutex_t lock_control;
      vlc_cond_t  wait_control;
      int i_control;
      input_control_t control[INPUT_CONTROL_FIFO_SIZE];
  
      bool b_abort;
      bool is_running;
      vlc_thread_t thread;
  };
  
  /***************************************************************************
   * Internal control helpers
   ***************************************************************************/
  enum input_control_e
  {
      INPUT_CONTROL_SET_DIE,
  
      INPUT_CONTROL_SET_STATE,
  
      INPUT_CONTROL_SET_RATE,
  
      INPUT_CONTROL_SET_POSITION,
  
      INPUT_CONTROL_SET_TIME,
  
      INPUT_CONTROL_SET_PROGRAM,
  
      INPUT_CONTROL_SET_TITLE,
      INPUT_CONTROL_SET_TITLE_NEXT,
      INPUT_CONTROL_SET_TITLE_PREV,
  
      INPUT_CONTROL_SET_SEEKPOINT,
      INPUT_CONTROL_SET_SEEKPOINT_NEXT,
      INPUT_CONTROL_SET_SEEKPOINT_PREV,
  
      INPUT_CONTROL_SET_BOOKMARK,
  
      INPUT_CONTROL_NAV_ACTIVATE, // NOTE: INPUT_CONTROL_NAV_* values must be
      INPUT_CONTROL_NAV_UP,       // contiguous and in the same order as
      INPUT_CONTROL_NAV_DOWN,     // INPUT_NAV_* and DEMUX_NAV_*.
      INPUT_CONTROL_NAV_LEFT,
      INPUT_CONTROL_NAV_RIGHT,
  
      INPUT_CONTROL_SET_ES,
      INPUT_CONTROL_RESTART_ES,
  
      INPUT_CONTROL_SET_AUDIO_DELAY,
      INPUT_CONTROL_SET_SPU_DELAY,
  
      INPUT_CONTROL_ADD_SLAVE,
  
      INPUT_CONTROL_ADD_SUBTITLE,
  
      INPUT_CONTROL_SET_RECORD_STATE,
  
      INPUT_CONTROL_SET_FRAME_NEXT,
  };
  
  /* Internal helpers */
  
  /* XXX for string value you have to allocate it before calling
   * input_ControlPush
   */
  void input_ControlPush( input_thread_t *, int i_type, vlc_value_t * );
  
  /* Bound pts_delay */
  #define INPUT_PTS_DELAY_MAX INT64_C(60000000)
  
  /**********************************************************************
   * Item metadata
   **********************************************************************/
  /* input_ExtractAttachmentAndCacheArt:
   *  Becarefull; p_item lock HAS to be taken */
  void input_ExtractAttachmentAndCacheArt( input_thread_t *p_input );
  
  /***************************************************************************
   * Internal prototypes
   ***************************************************************************/
  
  /* var.c */
  void input_ControlVarInit ( input_thread_t * );
  void input_ControlVarStop( input_thread_t * );
  void input_ControlVarNavigation( input_thread_t * );
  void input_ControlVarTitle( input_thread_t *, int i_title );
  
  void input_ConfigVarInit ( input_thread_t * );
  
  /* Subtitles */
  char **subtitles_Detect( input_thread_t *, char* path, const char *fname );
  int subtitles_Filter( const char *);
  
  /* input.c */
  void input_SplitMRL( const char **, const char **, const char **,
                       const char **, char * );
  
  /* meta.c */
  void vlc_audio_replay_gain_MergeFromMeta( audio_replay_gain_t *p_dst,
                                            const vlc_meta_t *p_meta );
  
  #endif
  