ffmpeg -f oss -i /dev/dsp -f video4linux2 -i /dev/video0 /tmp/out.mpg Or with an ALSA audio source (mono input, card id 1) instead of OSS: ffmpeg -f alsa -ac 1 -i hw:1 -f video4linux2 -i /dev/video0 /tmp/out.mpg Note that you must activate the right video source ...
ffmpeg -i son.wav -i video_origine.avi video_finale.mpg (音频也能够是 mp3 。 假设音频比视频长,用KMP播放文件。 视频播完后停最后一画面,音频继续) 其它 为视频又一次编码以适合在iPod/iPhone上播放 ffmpeg -i source_video.avi input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -...
ffmpeg.exe -i video.m4s -i audio.m4s -codec copy 清华大学_我爱我的祖国_1080P.mp4 或 ffmpeg.exe -i video.m4s -i audio.m4s -c copy 清华大学_我爱我的祖国_1080P.mp4
FFmpeg is a free & open source program that allows the user to record, convert and stream audio and video. It is one of the best software out there that can do all media-related processes with relative ease. The only catch to it is that you will need to have some form of understandin...
Thanks for this neat tool! Using it to merge multiple UGC videos with audio together (what a surprise!) but ran into audio sync issue with longer output videos. I've already found here that the duration of video and audio should be same,...
输出的output.mp4codec profile 设为baseline@3.0,video stream bitrate设为694k bps,audio stream b...
AVMEDIA_TYPE_VIDEO和AVMEDIA_TYPE_AUDIO这两个枚举类型格外重要了。 我们在FFmpeg源代码里面可以看到,在libavutil/avutil.h文件中, 在MAC中brew安装后,在目录 /usr/local/Cellar/ffmpeg/4.0.2/include 我们可以看到 /** * @addtogroup lavu_media Media Type ...
https://github.com/spirulence/ffmpeg-issues/blob/master/281-merge-audio-at-specific-time/281.py You have some source video that's already got audio in it, and you want to mix in a particular snippet of audio at a particular time. ...
酷站推荐 - ffmpeg.org - FFmpeg | Solution to Record, Convert and Stream Audio and Video 古古今今 知乎好文章FFmpeg FFmpeg 编辑于 2017-11-16 21:36 FFmpeg 流媒体 视频技术 赞同添加评论 分享喜欢收藏申请转载 ...
video:514350kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% Exiting normally, received signal 2. //这里control+c暂停 //然后播放yuv数据,需要指定分辨率,分辨率可以从上面录屏时的打印日志取到 gensees-iMac:~ gensee$ ffplay -s 1920x1080 /Users/gensee/out....