Companion X265 ((better)) Info

ffmpeg -i broken_x265.mkv -c copy -bsf hevc_mp4toannexb -f hevc raw_video.hevc

The term has become a hallmark of modern digital media, representing a significant leap in how we store and stream video. While often used interchangeably with HEVC (High Efficiency Video Coding), x265 is actually the leading open-source software library used to encode video into the H.265 standard. companion x265

x265 features 35 different prediction modes—nearly four times as many as x264—enabling it to "guess" movement between frames with much higher accuracy. ffmpeg -i broken_x265

x265 --preset fast --bitrate 5000 --output output.mp4 input.mp4 companion x265