230 lines
5.1 KiB
C
230 lines
5.1 KiB
C
//视频播放器应用
|
||
|
||
#include "sys.h"
|
||
#include "systick.h"
|
||
#include "tim.h"
|
||
|
||
#include "key.h"
|
||
#include "lcd.h"
|
||
#include "led.h"
|
||
|
||
#include "GameEngine.h"
|
||
#include "SD.h"
|
||
|
||
#include "APP_Video.h"
|
||
|
||
/**************************************** 私有定义 ****************************************/
|
||
|
||
typedef struct
|
||
{
|
||
double fps;
|
||
uint32_t frame_count;
|
||
} VideoInfo; //视频信息定义
|
||
|
||
/*****************************************************************************************/
|
||
|
||
/**************************************** 全局变量 ****************************************/
|
||
|
||
FIL video_file; //视频文件
|
||
char video_filename[32]; //视频文件名
|
||
char video_filepath[32]; //视频文件路径
|
||
|
||
VideoInfo video_info;
|
||
|
||
volatile uint32_t current_frame = 0;
|
||
volatile uint8_t is_to_play = 0;
|
||
volatile uint8_t is_disp_progress = 0;
|
||
|
||
/*****************************************************************************************/
|
||
|
||
/**************************************** 私有函数 ****************************************/
|
||
|
||
void APP_Video_Play(void);
|
||
uint8_t APP_Video_Menu(void);
|
||
void APP_Video_Msg(uint8_t *head, uint8_t *content);
|
||
|
||
/*****************************************************************************************/
|
||
|
||
/**
|
||
* @brief 启动视频播放器
|
||
*/
|
||
void APP_Video_Launcher(void)
|
||
{
|
||
//GUI 选取文件
|
||
uint8_t ret;
|
||
if ((ret = SD_SelectFile(video_filename, "32v")) != SD_OK)
|
||
{
|
||
if (ret == SD_ERROR)
|
||
APP_Video_Msg("警告", "选取文件出错！\n\n请按任意键返回");
|
||
|
||
return;
|
||
}
|
||
|
||
SD_GetPath(video_filepath, video_filename);
|
||
|
||
//打开文件
|
||
uint8_t res;
|
||
if (res = f_open(&video_file, video_filepath, FA_OPEN_EXISTING | FA_READ) != FR_OK)
|
||
{
|
||
char temp[10];
|
||
sprintf(temp, "%d", res);
|
||
APP_Video_Msg("警告", "打开文件出错！\n\n请按任意键返回");
|
||
APP_Video_Msg("警告", temp);
|
||
|
||
return;
|
||
}
|
||
|
||
//读取视频信息
|
||
uint32_t br;
|
||
if (f_read(&video_file, &video_info, sizeof(video_info), &br) != FR_OK)
|
||
{
|
||
APP_Video_Msg("警告", "读取视频信息错误！\n\n请按任意键返回");
|
||
return;
|
||
}
|
||
|
||
if (video_info.fps <= 0.0 || video_info.fps > 45.0)
|
||
{
|
||
APP_Video_Msg("警告", "不支持的视频格式！\n\n请按任意键返回");
|
||
return;
|
||
}
|
||
|
||
//设置定时器
|
||
TIM_Set(TIM2, video_info.fps, 0, 0);
|
||
|
||
f_lseek(&video_file, 153600);
|
||
APP_Video_Play();
|
||
}
|
||
|
||
/**
|
||
* @brief 播放视频
|
||
* @retval 成功返回 0，失败返回 1
|
||
*/
|
||
void APP_Video_Play(void)
|
||
{
|
||
uint32_t br;
|
||
|
||
while (1)
|
||
{
|
||
if (f_read(&video_file, GE_Draw_VRam, sizeof(GE_Draw_VRam), &br) != FR_OK)
|
||
{
|
||
APP_Video_Msg("警告", "视频播放出错！\n\n请按任意键返回");
|
||
return;
|
||
}
|
||
|
||
current_frame++;
|
||
|
||
if (is_disp_progress != 0)
|
||
{
|
||
GE_Draw_Fill(8, 228, 304, 8, WHITE);
|
||
GE_Draw_Rectangle(10, 230, 300, 4, GREEN);
|
||
GE_Draw_Rectangle(11, 231, (float)current_frame / (float)video_info.frame_count * 298.0, 2, BLUE);
|
||
|
||
is_disp_progress++; //溢出到 0 时进度条消失
|
||
}
|
||
|
||
switch (KEY_GetKey())
|
||
{
|
||
case JOY_R_UP: //进度条
|
||
{
|
||
is_disp_progress = !is_disp_progress;
|
||
}
|
||
break;
|
||
|
||
case JOY_L_UP: //菜单
|
||
{
|
||
//关闭定时器
|
||
TIM_Set(TIM2, 0, 0, 0);
|
||
|
||
if (APP_Video_Menu() == 1)
|
||
return;
|
||
|
||
//打开定时器
|
||
TIM_Set(TIM2, video_info.fps, 0, 0);
|
||
}
|
||
}
|
||
|
||
while (is_to_play != 1)
|
||
;
|
||
|
||
GE_Draw_Disp();
|
||
is_to_play = 0;
|
||
|
||
if (br == 0)
|
||
{
|
||
f_lseek(&video_file, 153600);
|
||
current_frame = 0;
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief 播放视频
|
||
* @retval 返回播放器返回 0，结束播放返回 1
|
||
*/
|
||
uint8_t APP_Video_Menu(void)
|
||
{
|
||
uint8_t content[3][GE_GUI_MENUBOX_CONTENT_LEN] = {"视频信息", "退出播放器", "返回"};
|
||
while (1)
|
||
{
|
||
GE_Draw_Fill(50, 50, 220, 140, WHITE);
|
||
switch (GE_GUI_MenuBox(50, 50, 220, 140, "菜单", 3, content, NULL))
|
||
{
|
||
case 0: //返回
|
||
{
|
||
KEY_ClearKey();
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case 1: //视频信息
|
||
{
|
||
char str_info[50];
|
||
sprintf(str_info, "视频帧率: %.2lf\n视频时长: %.2lfs", video_info.fps, (double)video_info.frame_count / video_info.fps);
|
||
GE_Draw_Fill(50, 50, 220, 140, WHITE);
|
||
GE_GUI_MsgBox(50, 50, 220, 140, "视频信息", str_info, NULL);
|
||
|
||
KEY_WaitKey(JOY_L);
|
||
}
|
||
break;
|
||
|
||
case 2: //退出播放器
|
||
{
|
||
f_close(&video_file);
|
||
return 1;
|
||
}
|
||
break;
|
||
|
||
case 3: //返回
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief 消息框，任意键按下后退出
|
||
* @param head: 标题
|
||
* @param content: 内容
|
||
*/
|
||
void APP_Video_Msg(uint8_t *head, uint8_t *content)
|
||
{
|
||
GE_Draw_Fill(60, 75, 200, 90, WHITE);
|
||
GE_GUI_MsgBox(60, 75, 200, 90, head, content, NULL);
|
||
KEY_WaitKey(JOY_L);
|
||
}
|
||
|
||
/**
|
||
* @brief TIM2 中断处理
|
||
*/
|
||
void TIM2_IRQHandler(void)
|
||
{
|
||
if ((TIM2->SR & TIM_FLAG_UPDATE) != RESET)
|
||
{
|
||
//清除更新标志
|
||
TIM2->SR = ~TIM_FLAG_UPDATE;
|
||
|
||
is_to_play = 1;
|
||
}
|
||
}
|