Enter a value in the percentage field or choose a preset value from the adjacent pop-up menu (with a down arrow). Set to percent of source using: Modifies the output clip’s speed by a percentage of the source clip’s speed. Sets the processing algorithm used to adjust the frame rate during transcoding. See Work with metadata annotations in Compressor and Add markers using Compressor. Optimize for network use: Select this checkbox to create a file that will start playing after only a small portion of the file has been downloaded from the network.Įnhanced podcast: Select this checkbox to have Compressor embed podcasting information (annotations, markers, and artwork) into the output media file. If format is set to Audio and Video or Video, files are created with the. m4a extension, and you can choose Apple Lossless or AAC output. If format is set to Audio, audio-only files are created with the. For podcasting and digital music playback, choose audio only. For more on using shared computer groups, see Transcode batches with multiple computers using Compressor.ĭefault location: Choose an item from the pop-up menu to set the default save location for transcoded files.įormat: Use this pop-up menu to specify whether the output includes video and audio, video only, or audio only. Export segmentation requires macOS 14 or later and a Mac with Apple M1 Max, M1 Ultra, M2 Max, M2 Ultra, or M3 Max. m4a).Īllow export segmentation: Select this checkbox to have Compressor process the output file using available media engines or your shared computer group. HEVC playback requires an Apple device running macOS 10.13, iOS 11, iPadOS 13, tvOS 11, or later.ĭescription: Displays the description of the preset.Įxtension: Displays the extension of the output file (.mp4 or. HEVC is a recently established compression standard that supports larger frame sizes (including 8K) and HDR10 metadata for high-dynamic-range video. You can change the codec to HEVC in the Video inspector if your computer is running macOS 10.13 or later. When you add an MPEG-4-based preset to a job, Compressor chooses the H.264 format as the default codec. Presets based on the MPEG-4 format offer a choice of two encoders: H.264 and HEVC (High-Efficiency Video Coding, also known as H.265). (To learn more about HTTP Live Streaming, see HTTP Live Streaming and other related documents, available in Apple Developer Documentation.) You can also use this format to create files for audio podcasting and digital music playback. The MPEG-4 format is widely compatible with many different platforms and is often used for distribution on the Internet. In Compressor, the Prepare for HTTP Live Streaming destination and the AAC preset (for audio output) use the MPEG-4 transcoding format.
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