/**
SDL2+SMPEG音视频播放测试代码
单击屏幕暂停或播放
上下滑动控制音量
左右滑动控制进度 <不能回跳╮(╯▽╰)╭,跳跃后时间不正常>
ps.因SMPEG自身的原因只能播放mpeg1编码格式的视频或音频
ps2.mp3是mpeg1格式
by 毛玉
**/
#include <SDL2/SDL.h>
#include <SDL2/SDL_ttf.h>
#include <smpeg2/smpeg.h>
int w = 0, h = 0;
char temp[127] = { 0 };
char *file = "/sdcard/kirikiri2/Sactter樱吹雪~千年之恋~[无压]/ed.mpg";
//char *file="/sdcard/【MMD】みすちーのうそつき【HD】 - ニコニコ动画GINZA.mpg";
//char *file="/sdcard/音乐/Adios Eden.mp3";
typedef enum{
STOP=0,
PLAYING,
PAUSE
}state;
typedef enum
{
NUL=0,
CHANGEVOLUME,
CHANGEPLAYTIME
}eventtype;
SDL_Window *win = NULL;
SDL_Renderer *ren = NULL;
SDL_Texture *frameimage = NULL;
SDL_mutex *mutex=NULL;
SDL_Rect rect = { 0, 0, 0, 0 };
SMPEG_Frame *frame = NULL;
int current_frame = 0;
int offset = 0;
int current_state=0;
int current_time=0;
int current_volume=50;
int changing_volume=0;
float changing_time=0;
int current_event=0;
//文字转贴图
SDL_Texture *makeText(SDL_Renderer * ren, const char *text, int size, int rgba)
{
SDL_Surface *temp = NULL;
SDL_Texture *finish = NULL;
TTF_Font *font=NULL;
SDL_Color text_color = { (rgba&0xff000000)>>23, (rgba&0x00ff0000)>>15, (rgba&0x0000ff00)>>7, rgba&0x000000ff };
TTF_Init();
font = TTF_OpenFont("/system/fonts/DroidSansFallback.ttf", size);//打开字体
temp = TTF_RenderUTF8_Solid(font, text, text_color);//渲染文本
finish = SDL_CreateTextureFromSurface(ren, temp);
SDL_FreeSurface(temp);
TTF_CloseFont(font);//关闭字体
TTF_Quit();
return finish;
}
//显示文字
void nshowText(SDL_Renderer * ren, const char *msg, int size,int x,int y,int rgba)
{
SDL_Rect tr = { 0, 0, 0, 0 };
SDL_Texture *t = makeText(ren, msg, size, rgba);
SDL_QueryTexture(t, NULL, NULL, &tr.w, &tr.h);
if(x==-1)
tr.x = (w - tr.w) / 2;
else
tr.x=x;
if(y==-1)
tr.y = (h - tr.h) / 2;
else
tr.y=y;
SDL_RenderCopy(ren, t, NULL, &tr);
SDL_DestroyTexture(t);
}
//显示文字到屏幕中间(在渲染过程中使用会闪屏)
void showText(SDL_Renderer *ren,const char *msg,int size)
{
SDL_RenderClear(ren);
nshowText(ren,msg,size,-1,-1,0xffffffff);
SDL_RenderPresent(ren);
}
//判断文件是否存在
int isFile(const char *file)
{
int was = 0;
FILE *t = fopen(file, "rb");
if (t != NULL)
{
was = 1;
fclose(t);
}
return was;
}
//视频播放的回调函数
void callback(void *data, SMPEG_Frame * _frame)
{
if (_frame->image == NULL)
exit(-1);
frame = _frame;
offset = ((_frame->image_height - _frame->h) + 2) * _frame->image_width;//This is magic,do not change.╮(╯▽╰)╭
current_frame++;
}
//退出程序时会被调用的函数
void Quit()
{
SDL_DestroyMutex(mutex);
SDL_DestroyTexture(frameimage);
SDL_DestroyRenderer(ren);
SDL_DestroyWindow(win);
SDL_Quit();
}
//事件循环
double x=0,y=0;
double dx=0,dy=0;
void loopEvent(SDL_Event *event,SMPEG *SV)
{
while(SDL_PollEvent(event))
{
switch(event->type)
{
case SDL_FINGERUP://手指松开
if(current_event==NUL)
{
SMPEG_pause(SV);
if(current_state!=PAUSE)
current_state=PAUSE;
else
current_state=PLAYING;
}
dx=0;dy=0;x=0;y=0;
current_volume=changing_volume;
if(current_event==CHANGEPLAYTIME)
SMPEG_skip(SV,changing_time);
current_event=NUL;
break;
case SDL_FINGERDOWN://手指放下
x=event->tfinger.x;
y=event->tfinger.y;
changing_volume=current_volume;
break;
case SDL_FINGERMOTION://手指移动
dx=(event->tfinger.x-x)*100;
dy=(y-event->tfinger.y)*100;
if((dy>3||dy<-3)&¤t_event!=CHANGEPLAYTIME)
{
current_event=CHANGEVOLUME;
if(dy>3)
changing_volume=current_volume+dy-3;
if(dy<-3)
changing_volume=current_volume+dy
+3
;
if(current_volume>100)
current_volume=100;
if(changing_volume>100)
changing_volume=100;
if(current_volume<0)
current_volume=0;
if(changing_volume<0)
changing_volume=0;
SMPEG_setvolume(SV,changing_volume);
}
if((dx>3||dx<-3)&¤t_event!=CHANGEVOLUME)
{
current_event=CHANGEPLAYTIME;
changing_time=current_time+dx;
}
}
}
}
//主函数
int main(int argc, char **argv)
{
SMPEG *SV = NULL; //SMPEG_Video
SMPEG_Info si; //视频信息结构体
SDL_Event event;
atexit(Quit); //设置退出时会被调用的函数
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO);//初始化视频,音频系统
win = SDL_CreateWindow("←_←", 10, 10, 500, 500, SDL_WINDOW_SHOWN);
ren =SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE);
SDL_GetWindowSize(win, &w, &h);//获取窗口大小
mutex = SDL_CreateMutex();//创建互斥锁
showText(ren, "Loading...", 100);//显示Loading...
if (isFile(file))
SV = SMPEG_new(file, &si, 1);
else
{
showText(ren, "文件或路径不存在！", 80);
SDL_Delay(3000);
exit(-1);
}
if (si.has_video == 0 && strstr(si.audio_string, "0kbit/s 16000Hz"))
{
showText(ren, "仅支持MPEG编码的音频和视频", 70);
SDL_Delay(3000);
exit(-1);
}
if (si.has_video == 1)
{
frameimage =SDL_CreateTexture(ren, SDL_PIXELFORMAT_YV12,SDL_TEXTUREACCESS_STREAMING, si.width,si.height);//创建YV12贴图
SMPEG_setdisplay(SV, callback, NULL, mutex);//设置播放回调函数
SMPEG_renderFinal(SV);//This is magic,do not change. 23333
rect.w = w;
rect.h = h;
}
SMPEG_setvolume(SV,current_volume);//设置声音大小

SMPEG_play(SV);//开始播放
current_state=PLAYING;
while (si.current_time < si.total_time)
{
loopEvent(&event,SV);
SDL_RenderClear(ren);
if (si.has_video == 1)
{
SDL_LockMutex(mutex);
SDL_UpdateTexture(frameimage, NULL, (frame->image + offset),frame->image_width);//更新播放贴图
SDL_UnlockMutex(mutex);
}
if(current_state!=PAUSE)
{
SMPEG_getinfo(SV, &si);//获取视频信息
current_time=si.current_time;
sprintf(temp,"Time:%.2llf/%.2llf(%.1llf%%) FPS:%.2llf SDL2+SMPEG音视频播放测试",si.current_time, si.total_time,(si.current_time / si.total_time) * 100, si.current_fps);
}
SDL_RenderCopy(ren, frameimage, NULL, &rect);//显示视频帧
nshowText(ren,temp,35,0,0,0xff0000ff);//显示时间,fps信息
if (si.has_video == 0 && si.has_audio == 1)
{
nshowText(ren,file,50,-1,80,0xffffffff);
}
if(current_state==PAUSE)
nshowText(ren,"暂停",100,-1,-1,0xffffffff);
if(current_event==CHANGEVOLUME)
{
sprintf(temp,"声音:%d",changing_volume);
nshowText(ren,temp,60,-1,-1,0xff00ffff);
}

if(current_event==CHANGEPLAYTIME)
{
sprintf(temp,"时间:%.2f",changing_time);
nshowText(ren,temp,60,-1,-1,0xff00ffff);
}
SDL_RenderPresent(ren);
SDL_Delay(16);
}
SMPEG_stop(SV);//停止播放
SMPEG_delete(SV);//释放视频所占内存
SDL_CloseAudio();
exit(0);
}

||
--
顶。

mmd

叼 毛毛又装比了一次

麻烦楼主网盘贴出来吧，还是不错的，不过只能支持mp3吗？

好帖不能沉

@洋蛋炒饭 这种贴该精的得给精品

编译成功了，运行闪退，没有声音。

发个mpeg-1的视频吧，手机上格式转换的放不了，只能放mp3

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