lvgl_cpp/lvgl/extra/libs/ffmpeg/lv_ffmpeg.h

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2023-03-14 11:57:25 +00:00
/**
* @file lv_ffmpeg.h
*
*/
#ifndef LV_FFMPEG_H
#define LV_FFMPEG_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../../../../lvgl/lvgl.h"
#if LV_USE_FFMPEG != 0
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
struct ffmpeg_context_s;
extern const lv_obj_class_t lv_ffmpeg_player_class;
typedef struct {
lv_img_t img;
lv_timer_t * timer;
lv_img_dsc_t imgdsc;
bool auto_restart;
struct ffmpeg_context_s * ffmpeg_ctx;
} lv_ffmpeg_player_t;
typedef enum {
LV_FFMPEG_PLAYER_CMD_START,
LV_FFMPEG_PLAYER_CMD_STOP,
LV_FFMPEG_PLAYER_CMD_PAUSE,
LV_FFMPEG_PLAYER_CMD_RESUME,
_LV_FFMPEG_PLAYER_CMD_LAST
} lv_ffmpeg_player_cmd_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Register FFMPEG image decoder
*/
void lv_ffmpeg_init(void);
/**
* Get the number of frames contained in the file
* @param path image or video file name
* @return Number of frames, less than 0 means failed
*/
int lv_ffmpeg_get_frame_num(const char * path);
/**
* Create ffmpeg_player object
* @param parent pointer to an object, it will be the parent of the new player
* @return pointer to the created ffmpeg_player
*/
lv_obj_t * lv_ffmpeg_player_create(lv_obj_t * parent);
/**
* Set the path of the file to be played
* @param obj pointer to a ffmpeg_player object
* @param path video file path
* @return LV_RES_OK: no error; LV_RES_INV: can't get the info.
*/
lv_res_t lv_ffmpeg_player_set_src(lv_obj_t * obj, const char * path);
/**
* Set command control video player
* @param obj pointer to a ffmpeg_player object
* @param cmd control commands
*/
void lv_ffmpeg_player_set_cmd(lv_obj_t * obj, lv_ffmpeg_player_cmd_t cmd);
/**
* Set the video to automatically replay
* @param obj pointer to a ffmpeg_player object
* @param en true: enable the auto restart
*/
void lv_ffmpeg_player_set_auto_restart(lv_obj_t * obj, bool en);
/*=====================
* Other functions
*====================*/
/**********************
* MACROS
**********************/
#endif /*LV_USE_FFMPEG*/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_FFMPEG_H*/