ffmpeg-with-ac4

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ffmpeg-with-ac4

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FFMpeg build script that adds AC4 decoder patches

ffmpeg-with-ac4 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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# Build FFmpeg 6.1 with AC4 Audio Support (static or Docker image)

This is based on the original project [here](https://github.com/AkashiSN/ffmpeg-build-script). Those files were updated with newer packages, FFmpeg 6.1 and the AC4 decoding patches.

build-ffmpeg
==========

The FFmpeg build script provides an easy way to build a **static** FFmpeg on **macOS** and **Linux** with optional **non-free and GPL codecs** (--enable-gpl-and-non-free, see https://ffmpeg.org/legal.html) included.

[![How-To build FFmpeg on MacOS](https://img.youtube.com/vi/Z9p3mM757cM/0.jpg)](https://www.youtube.com/watch?v=Z9p3mM757cM "How-To build FFmpeg on OSX")

*Youtube: How-To build and install FFmpeg on macOS*

## Disclaimer And Data Privacy Notice

This script will download different packages with different licenses from various sources, which may track your usage.
These sources are out of control by the developers of this script. Also, this script can create a non-free and unredistributable binary.
By downloading and using this script, you are fully aware of this.

Use this script at your own risk.

### Common installation (macOS, Linux)

```bash
$ git clone https://git.home.oriley.net/apps/ffmpeg.git
$ cd ffmpeg-build-script
$ ./build-ffmpeg --build
```

## Supported Codecs

* `x264`: H.264 Video Codec (MPEG-4 AVC)
* `x265`: H.265 Video Codec (HEVC)
* `libsvtav1`, SVT-AV1 Encoder and Decoder
* `aom`: AV1 Video Codec (Experimental and very slow!)
* `fdk_aac`: Fraunhofer FDK AAC Codec
* `xvidcore`: MPEG-4 video coding standard
* `VP8/VP9/webm`: VP8 / VP9 Video Codec for the WebM video file format
* `AC4`: AC4 Audio Codec (used by ATSC 3.0)
* `mp3`: MPEG-1 or MPEG-2 Audio Layer III
* `ogg`: Free, open container format
* `vorbis`: Lossy audio compression format
* `theora`: Free lossy video compression format
* `opus`: Lossy audio coding format
* `srt`: Secure Reliable Transport
* `webp`: Image format both lossless and lossy

### HardwareAccel

* `vaapi`: [Video Acceleration API](https://trac.ffmpeg.org/wiki/Hardware/VAAPI). These encoders/decoders will only be
  available if a libva driver installation was found while building the binary. Follow [these](#Vaapi-installation)
  instructions for installation. Supported codecs in vaapi:
    * Encoders
        * H264 `h264_vaapi`
        * H265 `hevc_vaapi`
        * Motion JPEG `mjpeg_vaapi`
        * MPEG2 video `mpeg2_vaapi`
        * VP8 `vp8_vaapi`
        * VP9 `vp9_vaapi`

### Apple M1 (Apple Silicon) Support

The script also builds FFmpeg on a new MacBook with an Apple Silicon M1 processor.

### LV2 Plugin Support

If Python is available, the script will build a ffmpeg binary with lv2 plugin support.

## Requirements

### macOS

* XCode 10.x or greater

### Linux

* Debian >= Buster, Ubuntu => Focal Fossa, other Distributions might work too
* A development environment and curl is required

```bash
# Debian and Ubuntu
$ sudo apt install build-essential curl tcl

# Fedora
$ sudo dnf install @development-tools curl tcl
```

### Build in Docker (Linux)

With Docker, FFmpeg can be built reliably without altering the host system.

##### Default

If you're running an operating system other than the one above, a completely static build may work. To build a full
statically linked binary inside Docker, just run the following command:

```bash
$ docker build --tag=ffmpeg:default --output type=local,dest=build -f Dockerfile .
```
### Run with Docker (macOS, Linux)

You can also run the FFmpeg directly inside a Docker container.

#### Default - Without CUDA (macOS, Linux)

A dockerized FFmpeg build can be executed with the following command:

```bash
$ sudo docker build --tag=ffmpeg .
$ sudo docker run ffmpeg -i https://files.coconut.co.s3.amazonaws.com/test.mp4 -f webm -c:v libvpx -c:a libvorbis - > test.mp4
```

### Common build (macOS, Linux)

If you want to enable Vaapi, please refer to [these](#Vaapi-installation) and install the driver.

```bash
$ ./build-ffmpeg --build
```

## Vaapi installation

You will need the libva driver, so please install it below.

```bash
# Debian and Ubuntu
$ sudo apt install libva-dev vainfo

# Fedora and CentOS
$ sudo dnf install libva-devel libva-intel-driver libva-utils
```

## Usage

```bash
Usage: build-ffmpeg [OPTIONS]
Options:
  -h, --help                     Display usage information
      --version                  Display version information
  -b, --build                    Starts the build process
      --enable-gpl-and-non-free  Enable non-free codecs  - https://ffmpeg.org/legal.html
  -c, --cleanup                  Remove all working dirs
      --full-static              Complete static build of ffmpeg (eg. glibc, pthreads etc...) **only Linux**
                                 Note: Because of the NSS (Name Service Switch), glibc does not recommend static links.
```

## Notes of static link

- Because of the NSS (Name Service Switch), glibc does **not recommend** static links. See detail
  below: https://sourceware.org/glibc/wiki/FAQ#Even_statically_linked_programs_need_some_shared_libraries_which_is_not_acceptable_for_me.__What_can_I_do.3F

- Vaapi cannot be statically linked.

Original Project
----------------

* Github: [http://www.github.com/markus-perl/](https://github.com/markus-perl/ffmpeg-build-script)

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