Use FFmpeg Encode Images to an video Welcome to the Android-FFmpeg-Images-Video wiki! we want to use ffmpeg to implements the function encoder some images in android to an video with some music, or spit an exist video to many pictures,then we add our music to make an new video.About...
no need to read more */ if (is->audio_pkt_queue.size + is->video_pkt_queue.size > MAX_QUEUE_SIZE || (stream_has_enough_packets(is->p_audio_stream, is->audio_idx, &is->audio_pkt_queue) && stream_has_enough_packets(is->p_video_stream, is->video_idx, &is->video_pkt...
int videoIndex = av_find_best_stream(fmtc, AVMEDIA_TYPE_VIDEO, -1, -1, NULL, 0); //根据媒体的编码格式创建解码器 AVCodecContext* avctx = avcodec_alloc_context3(NULL); auto st = fmtc->streams[videoIndex]; avcodec_parameters_to_context(avctx, st->codecpar); AVCodec* codec = avcodec_...
voidget_video_pictures(constchar*file_path){std::unique_ptr<AVFormatContext,std::function<void(AVFormatContext*)>>avfmt_ctx_t(avformat_alloc_context(),[](AVFormatContext*s){if(s){avformat_close_input(&s);}});AVFormatContext*&&avfmt_ctx=avfmt_ctx_t.get();if(avformat_open_input(&avfmt_ctx,...
Unofficial FFmpeg with added custom native Visual Studio project build tools. FFmpeg: A complete, cross-platform solution to record, convert and stream audio and video. - FFmpeg/libavcodec/mpegvideo.h at 773375c3d04bc3436563d7128311f06767432e22 · wwwxxx
[PACKET]codec_type=video stream_index=0pts=161667pts_time=161.667000dts=161667dts_time=161.667000duration=66duration_time=0.066000convergence_duration=N/Aconvergence_duration_time=N/Asize=13797pos=9131137flags=K_[/PACKET] 这也是AVPacket中的内容,这儿开始扯到源码了,下文会详细分析一下源码了。
ffmpeg -i gfxm.mp4 -an -c:v rawvideo -pix_fmt yuv420pout.yuv ffplay -pix_fmt yuv420p -s864*486out.yuv #-s是说明播放时的分辨率 -pix_fmt指定格式如果两个参数不一致,会导致播放出现花屏等问题 播放YUV图像的Y分量(其他分量也可以播放): ...
We are going to crop our video a few pixels around the border, as we were getting some noise around the edges of our source video. The -r option specifies that our output will be 20 frames per second. The -g option is the "group of pictures" (GOP) size, which is the number of ...
Add text to edited videos - both static and dynamic. Add logos, stamp marks or show pictures in pictures Resizing video with high-end polyphase filter. Alter the video file size, edit frame rate, and set the bitrate Add subtitles to an existing video ...
./ffmpeg -f v4l2 -s 640*360 -r 10 -i /dev/video2output1.mp4 传输到主机上,查看采集编码的视频内容。 可见,能够正确的采集并编码出视频文件了。 3. 使用FFmpeg采集编码并进行推送rtsp视频流 因为在编译ffmpeg时,没加入X264编码库,因此这里只能使用mpeg4编码器,因此执行命令如下: ...