/*
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* Copyright (c) 2010-2019 Belledonne Communications SARL.
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*
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* This file is part of mediastreamer2.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MS_MEDIA_PLAYER_H
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#define MS_MEDIA_PLAYER_H
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#include <mediastreamer2/mssndcard.h>
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#include <mediastreamer2/msinterfaces.h>
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#include <mediastreamer2/msvideo.h>
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/**
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* Media file player
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*/
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typedef struct _MSMediaPlayer MSMediaPlayer;
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/**
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* Callbacks definitions */
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typedef void (*MSMediaPlayerEofCallback)(void *user_data);
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typedef enum {
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MS_FILE_FORMAT_UNKNOWN,
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MS_FILE_FORMAT_WAVE,
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MS_FILE_FORMAT_MATROSKA
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} MSFileFormat;
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#ifdef __cplusplus
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extern "C"{
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#endif
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/**
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* Instanciate a media player
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* @param factory a MSFactory
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* @param snd_card Playback sound card
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* @param video_display_name Video out
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* @param window_id Pointer on the drawing window
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* @return A pointer on the created MSMediaPlayer
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*/
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MS2_PUBLIC MSMediaPlayer *ms_media_player_new(MSFactory *factory, MSSndCard *snd_card, const char *video_display_name, void *window_id);
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/**
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* Free a media player
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* @param obj Pointer on the MSMediaPlayer to free
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*/
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MS2_PUBLIC void ms_media_player_free(MSMediaPlayer *obj);
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/**
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* Get the window ID
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* @param obj The player
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* @return The window ID
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*/
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MS2_PUBLIC void * ms_media_player_get_window_id(const MSMediaPlayer *obj);
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/**
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* Set the "End of File" callback
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* @param obj The player
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* @param cb Function to call
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* @param user_data Data which will be passed to the function
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*/
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MS2_PUBLIC void ms_media_player_set_eof_callback(MSMediaPlayer *obj, MSMediaPlayerEofCallback cb, void *user_data);
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/**
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* Require the player for playing the file again when the end is reached. Then,
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* the player loops indefinitely until ms_media_player_stop() is called. That function
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* can be called while the player is running.
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* @param obj The MSMediaPlayer instance
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* @param loop_interval_ms Time interval beetween two plays. If a negative value is
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* set, the player does not loop.
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*/
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MS2_PUBLIC void ms_media_player_set_loop(MSMediaPlayer *obj, int loop_interval_ms);
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/**
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* Open a media file
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* @param obj The player
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* @param filepath Path of the file to open
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* @return TRUE if the file could be opened
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*/
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MS2_PUBLIC bool_t ms_media_player_open(MSMediaPlayer *obj, const char *filepath);
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/**
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* Close a media file
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* That function can be safly call even if no file has been opend
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* @param obj The player
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*/
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MS2_PUBLIC void ms_media_player_close(MSMediaPlayer *obj);
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/**
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* Start playback
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* @param obj The player
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* @return TRUE if playback has been successfuly started
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*/
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MS2_PUBLIC bool_t ms_media_player_start(MSMediaPlayer *obj);
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/**
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* Stop a playback
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* When a playback is stoped, the player automatically seek at
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* the begining of the file.
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* @param obj The player
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*/
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MS2_PUBLIC void ms_media_player_stop(MSMediaPlayer *obj);
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/**
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* Turn playback to paused.
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* @param obj The player
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*/
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MS2_PUBLIC void ms_media_player_pause(MSMediaPlayer *obj);
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/**
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* Seek into the opened file
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* Can be safly call when playback is runing
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* @param obj The player
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* @param seek_pos_ms Position where to seek on (in milliseconds)
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* @return
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*/
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MS2_PUBLIC bool_t ms_media_player_seek(MSMediaPlayer *obj, int seek_pos_ms);
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/**
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* Get the state of the player
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* @param obj The player
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* @return An MSPLayerSate enum
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*/
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MS2_PUBLIC MSPlayerState ms_media_player_get_state(MSMediaPlayer *obj);
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/**
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* Get the duration of the opened media
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* @param obj The player
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* @return The duration in milliseconds. -1 if failure
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*/
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MS2_PUBLIC int ms_media_player_get_duration(MSMediaPlayer *obj);
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/**
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* Get the position of the playback
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* @param obj The player
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* @return The position in milliseconds. -1 if failure
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*/
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MS2_PUBLIC int ms_media_player_get_current_position(MSMediaPlayer *obj);
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/**
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* Check whether Matroska format is supported by the player
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* @return TRUE if supported
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*/
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MS2_PUBLIC bool_t ms_media_player_matroska_supported(void);
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/**
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* Return format of the current opened file
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* @param obj Player
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* @return Format of the file. UNKNOWN_FORMAT when no file is opened
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*/
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MS2_PUBLIC MSFileFormat ms_media_player_get_file_format(const MSMediaPlayer *obj);
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#ifdef __cplusplus
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}
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#endif
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#endif
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