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Package php-ffmpeg
Short Description FFMpeg PHP, an Object Oriented library to communicate with AVconv / ffmpeg
License MIT
Informations about the package php-ffmpeg
PHP FFmpeg
An Object Oriented library to convert video/audio files with FFmpeg / AVConv.
Check another amazing repo : PHP FFMpeg extras, you will find lots of Audio/Video formats there.
Your attention please
How this library works :
This library requires a working FFMpeg install. You will need both FFMpeg and FFProbe binaries to use it. Be sure that these binaries can be located with system PATH to get the benefit of the binary detection, otherwise you should have to explicitly give the binaries path on load.
For Windows users : Please find the binaries at http://ffmpeg.zeranoe.com/builds/.
Known issues :
- Using rotate and resize will produce a corrupted output when using libav 0.8. The bug is fixed in version 9. This bug does not appear in latest ffmpeg version.
Installation
The recommended way to install PHP-FFMpeg is through Composer.
Basic Usage
Documentation
This documentation is an introduction to discover the API. It's recommended to browse the source code as it is self-documented.
FFMpeg
FFMpeg\FFMpeg
is the main object to use to manipulate medias. To build it,
use the static FFMpeg\FFMpeg::create
:
FFMpeg will autodetect ffmpeg and ffprobe binaries. If you want to give binary
paths explicitly, you can pass an array as configuration. A Psr\Logger\LoggerInterface
can also be passed to log binary executions.
Manipulate media
FFMpeg\FFMpeg
creates media based on URIs. URIs could be either a pointer to a
local filesystem resource, an HTTP resource or any resource supported by FFmpeg.
Note : To list all supported resource type of your FFmpeg build, use the
-protocols
command :
To open a resource, use the FFMpeg\FFMpeg::open
method.
Two types of media can be resolved : FFMpeg\Media\Audio
and FFMpeg\Media\Video
.
A third type, FFMpeg\Media\Frame
, is available through videos.
Video
FFMpeg\Media\Video
can be transcoded, ie : change codec, isolate audio or
video. Frames can be extracted.
Transcoding
You can transcode videos using the FFMpeg\Media\Video:save
method. You will
pass a FFMpeg\Format\FormatInterface
for that.
Please note that audio and video bitrate are set on the format.
Transcoding progress can be monitored in realtime, see Format documentation below for more informations.
Extracting image
You can extract a frame at any timecode using the FFMpeg\Media\Video::frame
method.
This code returns a FFMpeg\Media\Frame
instance corresponding to the second 42.
You can pass any FFMpeg\Coordinate\TimeCode
as argument, see dedicated
documentation below for more information.
If you want to extract multiple images from your video, you can use the following filter:
Generate a waveform
You can generate a waveform of an audio file using the FFMpeg\Media\Audio::waveform
method.
This code returns a FFMpeg\Media\Waveform
instance.
You can optionally pass dimensions as arguments, see dedicated
documentation below for more information.
The ouput file MUST use the PNG extension.
If you want to get a waveform from a video, convert it in an audio file first.
Filters
You can apply filters on FFMpeg\Media\Video
with the FFMpeg\Media\Video::addFilter
method. Video accepts Audio and Video filters.
You can build your own filters and some are bundled in PHP-FFMpeg - they are
accessible through the FFMpeg\Media\Video::filters
method.
Filters are chainable
Rotate
Rotates a video to a given angle.
The $angle
parameter must be one of the following constants :
FFMpeg\Filters\Video\RotateFilter::ROTATE_90
: 90° clockwiseFFMpeg\Filters\Video\RotateFilter::ROTATE_180
: 180°FFMpeg\Filters\Video\RotateFilter::ROTATE_270
: 90° counterclockwise
Resize
Resizes a video to a given size.
The resize filter takes three parameters:
$dimension
, an instance ofFFMpeg\Coordinate\Dimension
$mode
, one of the constantsFFMpeg\Filters\Video\ResizeFilter::RESIZEMODE_*
constants$useStandards
, a boolean to force the use of the nearest aspect ratio standard.
If you want a video in a non-standard ratio, you can use the padding filter to resize your video in the desired size, and wrap it into black bars.
The pad filter takes one parameter:
$dimension
, an instance ofFFMpeg\Coordinate\Dimension
Don't forget to save it afterwards.
Watermark
Watermark a video with a given image.
The watermark filter takes two parameters:
$watermarkPath
, the path to your watermark file.
$coordinates
, an array defining how you want your watermark positioned. You can use relative positioning as demonstrated above or absolute as such:
Framerate
Changes the frame rate of the video.
The framerate filter takes two parameters :
$framerate
, an instance ofFFMpeg\Coordinate\Framerate
$gop
, a GOP value (integer)
Synchronize
Synchronizes audio and video.
Some containers may use a delay that results in desynchronized outputs. This filters solves this issue.
Clip
Cuts the video at a desired point.
The clip filter takes two parameters:
$start
, an instance ofFFMpeg\Coordinate\TimeCode
, specifies the start point of the clip$duration
, optional, an instance ofFFMpeg\Coordinate\TimeCode
, specifies the duration of the clip
Audio
FFMpeg\Media\Audio
can be transcoded, ie : change codec, isolate audio or
video. Frames can be extracted.
Transcoding
You can transcode audios using the FFMpeg\Media\Audio:save
method. You will
pass a FFMpeg\Format\FormatInterface
for that.
Please note that audio kilobitrate is set on the audio format.
Transcoding progress can be monitored in realtime, see Format documentation below for more informations.
Filters
You can apply filters on FFMpeg\Media\Audio
with the FFMpeg\Media\Audio::addFilter
method. It only accepts audio filters.
You can build your own filters and some are bundled in PHP-FFMpeg - they are
accessible through the FFMpeg\Media\Audio::filters
method.
Metadata
Add metadata to audio files. Just pass an array of key=value pairs of all metadata you would like to add. If no arguments are passed into the filter all metadata will be removed from input file. Currently supported data is title, artist, album, artist, composer, track, year, description, artwork
Add artwork to the audio file
NOTE: at present ffmpeg (version 3.2.2) only supports artwork output for .mp3 files
Resample
Resamples an audio file.
The resample filter takes two parameters :
$rate
, a valid audio sample rate value (integer)
Frame
A frame is a image at a timecode of a video ; see documentation above about frame extraction.
You can save frames using the FFMpeg\Media\Frame::save
method.
This method has a second optional boolean parameter. Set it to true to get accurate images ; it takes more time to execute.
Gif
A gif is an animated image extracted from a sequence of the video.
You can save gif files using the FFMpeg\Media\Gif::save
method.
This method has a third optional boolean parameter, which is the duration of the animation. If you don't set it, you will get a fixed gif image.
Concatenation
This feature allows you to generate one audio or video file, based on multiple sources.
There are two ways to concatenate videos, depending on the codecs of the sources.
If your sources have all been encoded with the same codec, you will want to use the FFMpeg\Media\Concatenate::saveFromSameCodecs
which has way better performances.
If your sources have been encoded with different codecs, you will want to use the FFMpeg\Media\Concatenate::saveFromDifferentCodecs
.
The first function will use the initial codec as the one for the generated file. With the second function, you will be able to choose which codec you want for the generated file.
You also need to pay attention to the fact that, when using the saveFromDifferentCodecs method, your files MUST have video and audio streams.
In both cases, you will have to provide a list of files in a TXT file. The TXT file will one path per line. Here is an example:
`txt file './concat-1.mp4' file 'concat-2.mp4'
file 'concat-3.mp4'
`
In this example, the third file will be ignored. Please refer to the documentation for more details.
To concatenate videos encoded with the same codec, do as follow:
The boolean parameter of the save function allows you to use the copy parameter which accelerates drastically the generation of the encoded file.
To concatenate videos encoded with the same codec, do as follow:
More details about concatenation in FFMPEG can be found here, here and here.
Formats
A format implements FFMpeg\Format\FormatInterface
. To save to a video file,
use FFMpeg\Format\VideoInterface
, and FFMpeg\Format\AudioInterface
for
audio files.
Format can also extends FFMpeg\Format\ProgressableInterface
to get realtime
informations about the transcoding.
Predefined formats already provide progress informations as events.
The callback provided for the event can be any callable.
Add additional parameters
You can add additional parameters to your encoding requests based on your video format.
The argument of the setAdditionalParameters method is an array.
Create your own format
The easiest way to create a format is to extend the abstract
FFMpeg\Format\Video\DefaultVideo
and FFMpeg\Format\Audio\DefaultAudio
.
and implement the following methods.
Coordinates
FFMpeg use many units for time and space coordinates.
FFMpeg\Coordinate\AspectRatio
represents an aspect ratio.FFMpeg\Coordinate\Dimension
represent a dimension.FFMpeg\Coordinate\FrameRate
represent a framerate.FFMpeg\Coordinate\Point
represent a point.FFMpeg\Coordinate\TimeCode
represent a timecode.
FFProbe
FFMpeg\FFProbe
is used internally by FFMpeg\FFMpeg
to probe medias. You can
also use it to extract media metadata.
Using with Silex Microframework
Service provider is easy to set up :
Available options are as follow :
API Browser
Browse the API
License
This project is licensed under the MIT license.
All versions of php-ffmpeg with dependencies
alchemy/binary-driver Version ^1.5
doctrine/cache Version ^1.0
evenement/evenement Version ^2.0 || ^1.0
neutron/temporary-filesystem Version ^2.1.1