在这个示例中,get_video_resolution函数接收一个视频文件路径作为参数,调用ffmpeg命令,并解析其输出来获取视频的分辨率。然后,它返回分辨率的宽度和高度,并在最后打印出来。 请注意,这个示例假设ffmpeg的输出格式是标准的,并且分辨率信息出现在我们期望的位置。在某些情况下,ffmpeg的输出格式可能会有所不同,因此你可能需要...
下面是一个使用Java调用ffmpeg获取视频尺寸的示例代码: importjava.io.BufferedReader;importjava.io.IOException;importjava.io.InputStreamReader;publicclassGetVideoResolution{publicstaticvoidmain(String[]args){StringvideoPath="your_video_path.mp4";try{ProcessBuilderpb=newProcessBuilder("ffmpeg","-i",videoPath)...
videoCodecCtx->flags2 |= AV_CODEC_FLAG2_FAST;//打开视频解码器result =avcodec_open2(videoCodecCtx, videoCodec,NULL);if(result <0) {debug("打开地址","错误: 打开视频解码器失败 "+ FFmpegHelper::getError(result));return; }//获取实际分辨率大小FFmpegHelper::getResolution(videoStream, videoWidth...
<?phpdefine('FFMPEG_PATH','/usr/local/ffmpeg2/bin/ffmpeg -i "%s" 2>&1');functiongetVideoInfo($file){$command=sprintf(FFMPEG_PATH,$file);ob_start();passthru($command);$info=ob_get_contents();ob_end_clean();$data=array();if(preg_match("/Duration: (.*?), start: (.*?), bi...
("/Video: (.*?), (.*?), (.*?)[,\s]/",$info,$match)){$data['vcodec']=$match[1];//视频编码格式$data['vformat']=$match[2];//视频格式$data['resolution']=$match[3];//视频分辨率$arr_resolution=explode('x',$match[3]);$data['width']=$arr_resolution[0];$data['height'...
if (preg_match("/Video: (.*?), (.*?), (.*?)[,\s]/", $info, $match)) { $data['vcodec'] = $match[1]; //视频编码格式 $data['vformat'] = $match[2]; //视频格式 $data['resolution'] = $match[3]; //视频分辨率 ...
* @return */publicstaticStringgetVideoResolution(StringBuffer sb){Pattern pat=Pattern.compile("([0-9]{2,4}x[0-9]{2,4})");Matcher matcher=pat.matcher(sb.toString());boolean find=matcher.find();if(find){String res=matcher.group(1);returnres;}return"";}/** ...
console.log('squeezingVideo file path: ',file.path)console.log('squeezingVideo file size: ',file.size)console.log('squeezingVideo file lastModified: ',file.lastModified)console.log('squeezingVideo file lastModifiedDate: ',file.lastModifiedDate)const_this=this// 分辨率constresolution=`${width/2}x...
max_resolutiondefrecord_video(output_file,duration):best_frame_rate,max_resolution=get_camera_info()width,height=max_resolution# 使用 ffmpeg 录制视频cmd=["ffmpeg","-f","v4l2","-framerate",str(best_frame_rate),"-video_size",f"{width}x{height}","-i","/dev/video0","-t",str(duration...
("video device: resolution %dx%d, %dbpp\n", fb->vinfo.xres, fb->vinfo.yres, fb->vinfo.bits_per_pixel); screensize = fb->vinfo.xres * fb->vinfo.yres * fb->vinfo.bits_per_pixel / 8; fb->fbp = (unsigned char *) mmap(0, screensize, PROT_READ|PROT_WRITE, MAP_SHARED, ...