ffmpeg

Universal media converter for audio/video transcoding, filtering, and format conversion.

$ ffmpeg -i input.mp4 -c:v h264_nvenc -c:a copy -preset p1 -cq 23 output.mp4

GPU API

NVIDIA NVENC

Intel/AMD VAAPI

Intel QSV

Apple VideoToolbox

Input file (-i)Output file

Encoder preset (-preset)

Fastest (p1)

Best (p7)

Quality (CQ)

Overwrite output (-y)

Examples

# NVIDIA NVENC
ffmpeg -i input.mp4 -c:v h264_nvenc -preset p4 -cq 23 -c:a copy output.mp4

# Intel QSV
ffmpeg -i input.mp4 -c:v h264_qsv -global_quality 23 -c:a copy output.mp4

# VAAPI
ffmpeg -i input.mp4 -c:v h264_vaapi -c:a copy output.mp4

# Apple VideoToolbox
ffmpeg -i input.mp4 -c:v h264_videotoolbox -c:a copy output.mp4