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/*****************************************************************************
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 * input_internal.h: Internal input structures
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 *****************************************************************************
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 * Copyright (C) 1998-2006 the VideoLAN team
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 * $Id$
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 *
 * 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 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
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

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#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
# error This header file can only be included from LibVLC.
#endif

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#ifndef _INPUT_INTERNAL_H
#define _INPUT_INTERNAL_H 1

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#include <vlc_access.h>
#include <vlc_demux.h>
#include <vlc_input.h>
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#include <libvlc.h>
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#include "input_interface.h"
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/*****************************************************************************
 *  Private input fields
 *****************************************************************************/
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#define INPUT_CONTROL_FIFO_SIZE    100

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/* input_source_t: gathers all information per input source */
typedef struct
{
    /* Access/Stream/Demux plugins */
    access_t *p_access;
    stream_t *p_stream;
    demux_t  *p_demux;

    /* Title infos for that input */
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    bool         b_title_demux; /* Titles/Seekpoints provided by demux */
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    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 */
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    bool b_can_pause;
    bool b_can_pace_control;
    bool b_can_rate_control;
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    bool b_can_stream_record;
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    bool b_rescale_ts;
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    bool       b_eof;   /* eof of demuxer */
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    double     f_fps;
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} input_source_t;

/** Private input fields */
struct input_thread_private_t
{
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    /* Object's event manager */
    vlc_event_manager_t event_manager;

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    /* Global properties */
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    bool        b_can_pause;
    bool        b_can_rate_control;
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    int         i_rate;
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    bool        b_recording;
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    /* */
    int64_t     i_start;    /* :start-time,0 by default */
    int64_t     i_stop;     /* :stop-time, 0 if none */
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    int64_t     i_run;      /* :run-time, 0 if none */
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    /* 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 */
    int         i_bookmark;
    seekpoint_t **bookmark;

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    /* Input attachment */
    int i_attachment;
    input_attachment_t **attachment;

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    /* Output */
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    es_out_t        *p_es_out;
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    es_out_t        *p_es_out_display;
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    sout_instance_t *p_sout;            /* XXX Move it to es_out ? */
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    bool            b_out_pace_control; /*     idem ? */
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    /* Main input properties */
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    /* Input item */
    input_item_t   *p_item;
    /* Clock average variation */
    int            i_cr_average;
    /* Main source */
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    input_source_t input;
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    /* Slave sources (subs, and others) */
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    int            i_slave;
    input_source_t **slave;

    /* 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_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;
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    vlc_cond_t  wait_control;
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    int i_control;
    struct
    {
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        /* XXX for string value you have to allocate it before calling
         * input_ControlPush */
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        int         i_type;
        vlc_value_t val;
    } control[INPUT_CONTROL_FIFO_SIZE];
};

/***************************************************************************
 * Internal control helpers
 ***************************************************************************/
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enum input_control_e
{
    INPUT_CONTROL_SET_DIE,

    INPUT_CONTROL_SET_STATE,

    INPUT_CONTROL_SET_RATE,
    INPUT_CONTROL_SET_RATE_SLOWER,
    INPUT_CONTROL_SET_RATE_FASTER,

    INPUT_CONTROL_SET_POSITION,
    INPUT_CONTROL_SET_POSITION_OFFSET,

    INPUT_CONTROL_SET_TIME,
    INPUT_CONTROL_SET_TIME_OFFSET,

    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_SET_ES,
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    INPUT_CONTROL_RESTART_ES,
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    INPUT_CONTROL_SET_AUDIO_DELAY,
    INPUT_CONTROL_SET_SPU_DELAY,
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    INPUT_CONTROL_ADD_SLAVE,
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    INPUT_CONTROL_ADD_SUBTITLE,

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    INPUT_CONTROL_SET_RECORD_STATE,
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    INPUT_CONTROL_SET_FRAME_NEXT,
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};

/* Internal helpers */
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void input_ControlPush( input_thread_t *, int i_type, vlc_value_t * );
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/**********************************************************************
 * Item metadata
 **********************************************************************/
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/* input_ExtractAttachmentAndCacheArt:
 *  Becarefull; p_item lock HAS to be taken */
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void input_ExtractAttachmentAndCacheArt( input_thread_t *p_input );

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/***************************************************************************
 * Internal prototypes
 ***************************************************************************/

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/* var.c */
void input_ControlVarInit ( input_thread_t * );
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void input_ControlVarStop( input_thread_t * );
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void input_ControlVarNavigation( input_thread_t * );
void input_ControlVarTitle( input_thread_t *, int i_title );

void input_ConfigVarInit ( input_thread_t * );

/* Subtitles */
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char **subtitles_Detect( input_thread_t *, char* path, const char *fname );
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int subtitles_Filter( const char *);

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/* Helpers FIXME to export without input_ prefix */
char *input_CreateFilename( vlc_object_t *p_obj, const char *psz_path, const char *psz_prefix, const char *psz_extension );

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#define INPUT_RECORD_PREFIX "vlc-record-%Y-%m-%d-%H:%M:%S-$ N-$ p"
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#endif