os.system('ffmpeg -i %s -f image2 -ss %s -vframes 1 %s.png' % (videoPath, str(crop_time), imagePath + str(img_count))) img_count += 1 print('Geting Image ' + str(img_count) + '.png' + ' from time ' + str(crop_time)) #每多少秒截取一张照片 crop_time += 0.25 prin...
在继续播放之前,先将暂停期间流逝的时间加到frame_timer中 is->frame_timer += av_gettime_relative() / 1000000.0 - is->video_clk.last_updated; set_clock(&is->video_clk, get_clock(&is->video_clk), is->video_clk.serial); } is->paused = is->audio_clk.paused = is->video_clk.paused ...
if(m_InputStream.GetVideoInputInfo(cx, cy, fps, pixel_fmt))//获取视频采集源的信息 { m_OutputStream.SetVideoCodecProp(AV_CODEC_ID_H264, fps, 500000, 100, cx, cy);//设置视频编码器属性 } int sample_rate = 0, channels = 0; AVSampleFormat sample_fmt; if(m_InputStream.GetAudioInput...
if (video_stream) printf("Demuxing video from file '%s' to dir: %s\n", src_filename, ...
Extracting sound from a video, and save it as MP3 using FFmpeg FFmpeg -i source_video.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 sound.mp3 Convert video to image sequences using FFmpeg FFmpeg -i video.mpg image%d.jpg Convert video to animated gif(uncompressed) using FFmpeg ...
GetPicFromVideo(@"视频文件路径","705x576","1");staticpublicstring GetPicFromVideo(string VideoName,string WidthAndHeight,stringCutTimeFrame) {string ffmpeg =@"E:\ffmpeg\bin\ffmpeg.exe";//ffmpeg执行文件的路径string PicName = VideoName +".jpg";//视频图片的名字,绝对路径 ...
0 : 1; } static AVFrame *get_video_frame(OutputStream *ost,IntputDev* input,int *got_pic) { int ret, got_picture; AVCodecContext *c = ost->enc; AVFrame * ret_frame=nullptr; if(av_compare_ts(ost->next_pts, c->time_base,STREAM_DURATION, (AVRational){1,1})>=0) return nullptr...
| read([, image]) -> retval, image | . @brief Grabs, decodes and returns the next video frame. | . | . @param [out] image the video frame is returned here. If no frames has been grabbed the image will be empty. | . @return `false` if no frames has been grabbed ...
Export a frame from a video FFMpeg::fromDisk('videos') ->open('steve_howe.mp4') ->getFrameFromSeconds(10) ->export() ->toDisk('thumnails') ->save('FrameAt10sec.png'); // Instead of the 'getFrameFromSeconds()' method, you could // also use the 'getFrameFromString()' or the...
void *Video_CollectImage(void *arg); void *Video_savemp4(void*arg); typedef enum { false=0, true, }bool; typedef struct OutputStream { AVStream *st; AVCodecContext *enc; int64_t next_pts;/*将生成的下一帧的pts*/ AVFrame *frame;/*保存编解码数据*/ ...