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How do I stream webcam with FFmpeg?

Eleanor O'Neill Lifehacks

How do I stream webcam with FFmpeg?

Windows 7 or later

  1. go to FFmpeg builds web page, choose Windows 64-bit architecture, static linking and Download build.
  2. create directory c:\\ffmpeg and extract zip content into it,
  3. go to Control Panel->System->Edit system environment variables and click on Environment variables.

How do I livestream with FFmpeg?

How to Live Stream Using FFmpeg and Dacast

  1. Open Dacast’s Encoder Setup. First, you need to gather the encoder setup information from your Dacast account.
  2. Find Your Credentials. On the right side of the screen, copy down these pieces of information: Login, Password, Stream URL, and Stream Name.
  3. Run The Following Command.

How do I minimize the delay in a live stream with FFmpeg?

I ended up with the following command: ffplay -flags low_delay -vf setpts=0 udp://127.0.0.1:10000 . Adding -vf setpts=0 reduced the latency by 6 frames.

How do I set frame rate in FFmpeg?

How to change the frame rate

  1. -r takes effect after all filtering, but before encoding of the video stream has taken place.
  2. The -r logic depends on the video sync method set ( -vsync ).
  3. For an output format like MP4, which defaults to constant frame rate (CFR), -r will generate a CFR stream.

Can FFmpeg stream RTSP?

FFmpeg is a free, open-source, and portable audio and video processing software using which you can perform a lot of tasks like resize videos, batch rotates videos, convert videos, and more. In addition to that, you can also use it to play videos including live RTSP streams.

How do I record video with FFmpeg?

  1. Capturing your Desktop / Screen Recording. Contents.
  2. Linux. Use the x11grab device: ffmpeg -video_size 1024×768 -framerate 25 -f x11grab -i :0.0+100,200 output.mp4.
  3. macOS. Use the avfoundation device: ffmpeg -f avfoundation -list_devices true -i “”
  4. Windows. Use DirectShow.
  5. Hardware Encoding.
  6. Lossless Recording.

What is FPS ffmpeg?

ffmpeg -r value (fps) = ave speed (m/s) / frame spacing (metres) e.g. for spacing every 5 metres at average speed of 8.33 m/s. ffmpeg -r value (fps) = 8.3 / 5.

How do I speed up a video with FFmpeg?

Speeding up/slowing down video This can be done via two methods: using the ​setpts video filter (which requires re-encoding) or by erasing the timestamps by exporting the video to a raw bitstream format and muxing to a container while creating new timestamps.

Can ffmpeg record video?

FFmpeg allows us to record our desktop screen with and without audio. Like other programs such as VLC or SimpleScreenRecorder, FFmpeg allows us to record the screen of our desktop with and without audio.

How to get a lossless encoding with ffmpeg?

ffmpeg -y -v error -i “name.ts” -f mp4 -bsf:a aac_adtstoasc -codec copy “name.mp4” otherwise use. ffmpeg -y -i “name.ts” -s hd1080 -preset medium -f mp4 -codec:a aac -codec:v libx264 “name.mp4” anyway you don’t have to encode the whole video, after 1 minute you press the Q key and look to see if the encoding suits you

How do I stream computer audio only with ffmpeg?

I’ve been messing around with Emby and Plex media managers recently and one cool feature that I found interesting is that both of them are able to stream media to other devices with the help of FFMPEG. Specifically, they are able to use this stream as an input to HTML and browser video players. With seeking support.

How to live stream using FFmpeg?

– Input devices, decoders, Video coding, metadata, and filters – Broadcast codecs like ProRes, DNxHD, IMX/D-10, AVC-Intra – Formats MXF, GXF, MOV – Usages like Avid, Interlacing, FCP, Time Code – Maintenance of FFmpeg bug tracker – Expertise with RTP, RTSP, HLS, and SDP

How to record desktop with audio on FFmpeg?

ffmpeg -f dshow -i video=”screen-capture-recorder” output.mkv This will grab the image from entire desktop. You can refer to a list of alternative devices. If you need audio too: ffmpeg -f dshow -i video=”UScreenCapture”:audio=”Microphone” output.mkv