How can I make FFmpeg encode faster?

How can I make FFmpeg encode faster?

1 Answer

1. Stream copy (re-mux) the audio instead of re-encoding it by changing -c:a aac to -c:a copy .
2. See if a hardware accelerated encoder such as h264_nvenc instead of libx264 is faster.
3. Also check if a hardware decoder is faster.
4. Add -movflags +faststart output option.

How can I speed up my encoding?

However, there are several ways you can speed up your video encodes.

1. Updating Your Video Encoder. Open the program you use to encode video.
2. Closing Unnecessary Programs. Close every program in the task bar except for your video encoder.
3. Encoding Lower Quality Video. Open your video encoder.
4. Upgrade Your Computer.

What is preset in FFmpeg?

FFmpeg preset is the value in which speed the media encode will traverse at, At the slower spectrum you get more quality at the sacrifice of time, more quicker and you get larger file sizes. In this part 1 of FFmpeg encoding comparisons I look at x264 presets, their speed and output file size.

Does FFmpeg use GPU?

FFmpeg uses Video Codec SDK If you have an NVIDIA GPU which supports hardware-accelerated video encoding and decoding, it’s simply a matter of compiling FFmpeg binary with the required support for NVIDIA libraries and using the resulting binaries to speed up video encoding/decoding.

What is FFmpeg CRF?

Constant rate factor (CRF) is an encoding mode that adjusts the file data rate up or down to achieve a selected quality level rather than a specific data rate. This tells FFmpeg to encode at a quality level of 23, but to cap the data rate at 6750 kbps with a VBV buffer of 4500 kbps.

Which video encoder is best?

MPEG-1 is the most widely compatible lossy audio/video format in the world. Most media players and YouTube support the MPEG-1 codec. The MPEG-1 codec offers a good quality of video and uses much less CPU than other codecs. (The quality of MPEG-1 is similar to Xvid.)

How to use FFmpeg for faster video encoding?

I’d like to find a happy medium (smaller file size but faster encoding) keeping the video scale size close to the original. ffmpeg just has so many different parameters / switches that it’s difficult to wrap my head around what I should be doing. EDIT: adding ffmpeg output.

What’s the best way to make a MOV in FFmpeg?

-b:a 128k: Audio bitrate. If your ffmpeg is outdated then you’ll need to add -strict experimental to use -c:a aac. Since your MOV and MP4 files probably contain the same video and audio formats you can encode the MP4 and make the MOV by re-muxing (with stream copy mode) instead of re-encoding:

Which is better FFmpeg or veryfast preset?

Lower values produce higher quality but larger files. Combined with veryfast preset, it should provide an acceptable tradeoff between speed and size. Thanks for contributing an answer to Stack Overflow!

How many pixels are in a FFmpeg video?

Scale to 720 pixels in height, and automatically choose width that will preserve aspect, and then make sure the pixel format is compatible with dumb players. -b:a 128k: Audio bitrate. If your ffmpeg is outdated then you’ll need to add -strict experimental to use -c:a aac.