High Profile (aka FRExt) adds to Main Profile: 8x8 Intra prediction, custom quants, lossless video coding, more yuv formats (4:4:4.Profile: In most cases you will want to set ‘Main’ as the. The slower you set it, the higher the video quality, however the higher the CPU usage is. It will determine how much CPU power you wish to use to render the video. Main Profile offers I/P/B-Frames, supports progressive and interlaced, and offers CAVLC or CABAC CPU Usage Preset is only relevant if you’re using software encoding, x264.Extended Profile offers I/P/B/SP/SI-Frames, supports progressive and CAVLC only.Baseline Profile offers I/P-Frames, supports progressive and CAVLC only.The AVC/H.264 standard defines four different Profiles: Baseline, Main, Extended and High Profile: MPEG-4 is a broad Open Standard developed by the Moving Picture Experts Group (MPEG), a working group of the International Organization for Standardization (ISO) which also did the well-known MPEG-1 (MP3, VCD) and MPEG-2 (DVD, SVCD) Standards, standardizing all sorts of audio/video compression formats and much moreīy its nature, the MPEG-4 Standard doesn't aim at standardizing one potential product (e.g., something comparable to DVD) but covers a broad range of Sub-Standards, which Product Providers can choose from to follow, according to what they need for their product.
X264 Video Codec is a free application for encoding video streams into the H.264/MPEG-4 AVC format.
