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Crossplatform video, image and audio processing via native platform code.

Media Tool Flutter #

Video, image and audio processing via native platform code.

🚧 WIP 🚧 #

Only Apple (iOS & macOS) support is implemented via native code yet. The Android implementation is mocked using FFmpeg.

About #

Flutter plugin for advanced media manipulation using native platform code. Supported media types are video, audio and image.

Native Frameworks #

Platform Framework
Apple MediaToolSwift
Android MediaCodec*
Windows & Linux OpenCL
Web None | FFmpeg

* FFmpeg based media_tool_ffmpeg implementation is temporarily used.

Video #

Features: #

  • Compress with multiple codecs
  • Resize
  • Frame rate adjustment
  • Audio track manipulataion
  • Alpha channel and HDR handling
  • Slow motion support
  • Metadata preserving
  • Hardware acceleration
  • Thumbnails extraction
  • Video information gathering
  • Progress and cancellation

Codecs #

Video: H.264, H.265/HEVC and ProRes.

Audio: AAC, Opus and FLAC.

Example #

// Compress video file
final task = VideoTool.compress(
  id: id, // unique id
  path: path,
  destination: destination,
  // Video
  videoSettings: const VideoSettings(
    codec: VideoCodec.h264,
    bitrate: 2000000, // 2 Mbps
    size: Size(1280.0, 1280.0), // size to fit in
    // quality, frame rate, atd.
  ),
  // Audio
  skipAudio: false,
  audioSettings: const AudioSettings(
    codec: AudioCodec.opus, 
    bitrate: 96000, // 96 Kbps
    // sample rate, quality, atd.
  ),
  // Metadata and file options
  skipMetadata: false,
  overwrite: true,
  deleteOrigin: false
);

// State notifier
task.events.listen(print);

// Cancellation
task.cancel();

Image #

Features: #

  • Convert with multiple formats
  • Resize and crop
  • Frame rate adjustment
  • Animated image sequences support
  • Alpha channel and HDR handling
  • Metadata and orientation preserving
  • Image information gathering

Formats: #

  • JPEG
  • PNG and APNG
  • GIF
  • TIFF
  • BMP
  • WEBP
  • HEIF

Example #

// Convert image file
final metadata = await ImageTool.compress(
  path: path,
  destination: destination,
  settings: const ImageSettings(
    format: ImageFormat.png,
    size: Size(1280.0, 1280.0),
    crop: false, // crop or fit
    // frame rate, quality, alpha channel, background color, atd.
  ),
  skipMetadata: false,
  overwrite: true,
  deleteOrigin: false
);

Audio #

Features: #

  • Compress with multiple codecs
  • Metadata preserving
  • Hardware acceleration
  • Audio information gathering
  • Progress and cancellation

Codecs: #

  • AAC
  • Opus
  • FLAC

Example #

// Compress audio file
final task = AudioTool.compress(
  id: id, // unique id
  path: path,
  destination: destination,
  settings: const AudioSettings(
    codec: AudioCodec.opus, 
    bitrate: 96000, // 96 Kbps
    // sample rate, quality, atd.
  ),
  skipMetadata: false,
  overwrite: true,
  deleteOrigin: false
);

// State notifier
task.events.listen(print);

// Cancellation
task.cancel();

Internally #

Each plugin methods which run platform code do support multiple parallel executions, each of execution has it's own progress, cancellation and error handling. Main tests stored at integration_test.

License #

The Plugin is licensed under the MIT. The platform implementations may have their own licenses:

  • MediaToolSwift - Mozilla Public License 2.0
  • media_tool_ffmpeg - LGPL V2.1