FFmpeg Howto. Table of Contents H.264 Long GOP Encoding 1-pass encoding: ffmpeg -i <input_file> -vcodec libx264 -b <video_bitrate> -g <gop_size> -bf 3 -b_strategy 1 -coder 1 -qmin 10 -qmax 51 -sc_threshold 40 -flags +loop -cmp +chroma -me_range 16 -me_method hex -subq 5 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -directpred 1 -flags2 +fastpskip -dts_delta_threshold 1 -acodec libfaac -ab <audio_bitrate> output.mp4 2-pass encoding: ffmpeg -y -i <input_file> -pass 1 -vcodec libx264 -b <video_bitrate> -g <gop_size> -bf 3 -refs 6 -b_strategy 1 -coder 1 -qmin 10 -qmax 51 -sc_threshold 40 -flags +loop -cmp +chroma -me_range 16 -me_method umh -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -directpred 3 -flags2 +dct8x8+wpred+bpyramid+mixed_refs -trellis 1 -partitions +parti8x8+parti4x4+partp8x8+partp4x4+partb8x8 -acodec libfaac -ab <audio_bitrate> output.mp4 D10 (aka Sony IMX) Encoding Notes : - Only works for 25 fps content.
XDCAM HD 50Mbps in QuickTime (for Final Cut Pro import) DVCAM / DVCPRO25 / DVCPRO50 Encoding. Robert.swain » FFmpeg x264 encoding guide. FFmpeg Documentation. Convert to FLV (flash video) with ffmpeg. Download ffmpegX a DVD, SVCD, VCD, CVD, VOB, DivX, XviD, H.264, Download: Download ffmpegX 0.0.9y-"Lion" r2 (Aug 3, 2011) for OS X 10.7 "Lion". If you run on OSX Lion then use this version. If you are on older OSX like Snow Leopard or earlier use 0.0.9y below. Download ffmpegX 0.0.9y (Jan 26, 2008) for OS X 10.3 to 10.6. If you already installed ffmpegX before, with this new version you are not required to reinstall a new version of the binaries. If you are installing ffmpegX for the first time, then you must also install the mencoder and mplayer binaries and the mpeg2enc binary.
If you use still OS X 10.2, you may use the older version ffmpegX 0.0.9k (Jun 13, 2004). To install ffmpegX 0.0.9y for the first time, proceed as follows. How to install: 1) Make sure that your startup disk has no spaces or special characters in its name. 2) Run ffmpegX from your Applications folder. Some Unix components will need installation. If there is no version for OSX available, then download the latest stable build of reallib from this link. Product requirements: