Codec H 264 For Mac

H.264 codec free download - DiscretePhoton H.264 Encoder, XviD Video Codec, Media Player Codec Pack, and many more programs. 2 minutes to read MPEG-4 Advanced Video Coding (AVC), also known as ITU-T H.264, is a standard for video compression that can provide good video quality at substantially lower bit rates than previous standards (for example, half or less the bit rate of MPEG-2, H.263, or MPEG-4). Launch the software on your Mac computer, click the 'Load files' button or 'Add video' button to add source files to the program. Step 2: Choose output file format. Click 'Format' bar drop-down list, output H.264 video by following 'HD Video' 'H.264 HD Video(.mp4)'. Step 3: Adjust output profile parameters.

iOS 11 and macOS High Sierra introduced support for these new, industry-standard media formats:

HEIF (High Efficiency Image File Format) for photos
HEVC (High Efficiency Video Coding), also known as H.265, for videos

HEIF and HEVC offer better compression than JPEG and H.264, so they use less storage space on your devices and iCloud Photos, while preserving the same visual quality.

To fully view, edit, or duplicate HEIF and HEVC media on your device, upgrade to the latest version of iOS 11 or later or macOS High Sierra or later.

Capturing this media

When using iOS 11 or later, the following devices can capture media in HEIF or HEVC format. Other devices can view, edit, or duplicate this media with limitations, if using iOS 11 or later or macOS High Sierra or later.

Though capturing in HEIF and HEVC format is recommended, you can set these devices to capture media using the older formats, which are more broadly compatible with other devices and operating systems:

Go to Settings > Camera.
Tap Formats.
Tap Most Compatible. This setting is available only on devices that can capture media in HEIF or HEVC format, and only when using iOS 11 or later.
All new photos and videos will now use JPEG or H.264 format. To return to using the space-saving HEIF and HEVC formats, choose High Efficiency.

Working with this media

Support for HEIF and HEVC is built into iOS 11 and later and macOS High Sierra and later, letting you view, edit, or duplicate this media in a variety of apps, including Photos, iMovie, and QuickTime Player.

On some older devices, support for HEVC is affected by the resolution and frame rate (fps) of the video. Resolutions of 1080p or lower and frame rates of 60 fps or lower are more broadly compatible with older devices. To reduce the resolution and frame rate that your capture device uses for recording video, go to Settings > Camera > Record Video, as well as Settings > Camera > Record Slo-mo.

If you're using iCloud Photos with iOS 10 or macOS Sierra, you might see a warning icon in the upper-right corner of the photo or video, or you might see an alert message. To fully view, edit, or duplicate HEIF and HEVC media on your device, upgrade to iOS 11 or later or macOS High Sierra or later.

Sharing this media

iCloud Photos preserves media in its original format, resolution, and frame rate. If your device can't fully view, edit, or duplicate HEIF or HEVC media in iCloud Photos, or displays it at a lower resolution, upgrade to iOS 11 or later or macOS High Sierra or later.

When you share media using other methods, such as AirDrop, Messages, or email, it might be shared in a more compatible format, such as JPEG or H.264, depending on whether the receiving device supports the newer media format.

Converting this media

You can convert HEIF and HEVC media by exporting to a different format from an Apple or third-party app. For example:

If you open an HEIF image in Photos or Preview on your Mac, you can choose File > Export, then choose a format such as JPEG or PNG before saving.
If you open an HEVC video in QuickTime Player on your Mac, you can choose File > Export As, then save to H.264 by making sure the HEVC checkbox isn’t selected.

Importing this media via USB

When you import HEIF or HEVC media from an attached iOS device to Photos, Image Capture, or a PC, the media might be converted to JPEG or H.264.

You can change this import behavior in iOS 11 or later. Go to Settings > Photos. In the TRANSFER TO MAC OR PC section, tap Keep Originals to prevent the media from being converted to JPEG or H.264 when importing.

x264 is a free softwarelibrary and application for encoding video streams into the H.264/MPEG-4 AVC compression format, and is released under the terms of the GNU GPL.

Download x264 master • Source • 750kB

Features Overview

Provides best-in-class performance, compression, and features.
Achieves dramatic performance, encoding 4 or more 1080p streams in realtime on a single consumer-level computer.
Gives the best quality, having the most advanced psychovisual optimizations.
Support features necessary for many different applications, such as television broadcast, Blu-ray low-latency video applications, and web video.
x264 forms the core of many web video services, such as Youtube, Facebook, Vimeo, and Hulu. It is widely used by television broadcasters and ISPs.

Getting x264

Source

The latest x264 source code is available through git repository:

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You can browse the source on-line.

Application binaries

Official builds for Windows, Linux, and MacOSX are available from here.

News

2013 August 23 — The x264 Development Newsletter: Volume 39 is out.

2013 July 4 — The x264 Development Newsletter: Volume 38 is out.

2013 May 20 — The x264 Development Newsletter: Volume 37 is out.

2013 May 4 — The x264 Development Newsletter: Volume 36 is out.

Encoder features

8x8 and 4x4 adaptive spatial transform
Adaptive B-frame placement
B-frames as references / arbitrary frame order
CAVLC/CABAC entropy coding
Custom quantization matrices
Intra: all macroblock types (16x16, 8x8, 4x4, and PCM with all predictions)
Inter P: all partitions (from 16x16 down to 4x4)
Inter B: partitions from 16x16 down to 8x8 (including skip/direct)
Interlacing (MBAFF)
Multiple reference frames
Ratecontrol: constant quantizer, constant quality, single or multipass ABR, optional VBV
Scenecut detection
Spatial and temporal direct mode in B-frames, adaptive mode selection
Parallel encoding on multiple CPUs
Predictive lossless mode
Psy optimizations for detail retention (adaptive quantization, psy-RD, psy-trellis)
Zones for arbitrarily adjusting bitrate distribution

Awards

2010 May 25 — x264 won MSU Sixth MPEG-4 AVC/H.264 Video Codecs Comparison, with ~24% better encoding than second place.

2005 December 26 — x264 won Doom9's 2005 codec shoot-out, passing Ateme by a hair.

2005 December 12 — x264 tied for 1st place (with Ateme) in the second annual MSU MPEG-4 AVC/ H.264 codecs comparison.

Support

For support information and to ask questions, you have the following possibilities:

A mailing list (x264-devel), IRC (#x264@freenode and #x264dev@freenode) and Issue Tracker.

Bugs

Please report any bugs on the Issue tracker.

If it is a crash, then compile x264 with ./configure --enable-debug and follow the ffmpeg bugreporting guidelines.

Licensing

In addition to being free to use under the GNU GPL, x264 is also available under a commercial license. Contact x264licensing@videolan.org for more details.

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