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Informations about the package media-file
MediaFile
Allows you easily get meta information about any media file with unified interface. The library has no requirements of external libs or system unitilies.
Supported formats
| Audio | Video |
|---|---|
| aac, amr, flac, mp3, ogg, wav, wma | avi, mkv, mp4, wmv |
| - length | - length |
| - bitRate | - width |
| - sampleRate | - height |
| - channels | - frameRate |
Table of contents:
- Usage
- API
- Why not using getID3?
- Technical details
Usage
API
MediaFile
wapmorgan\wapmorgan\MediaFile
| Method | Description | Notes |
|---|---|---|
static open($filename): MediaFile |
Detects file type and format and calls constructor with these parameters. | Throws an \Exception if file is not a media or is not accessible. |
isAudio(): boolean |
Returns true if media is just audio. | |
isVideo(): boolean |
Returns true if media is a video with audio. | |
isContainer(): boolean |
Returns true if media is also a container (can store multiple audios and videos). | |
getFormat(): string |
Returns media file format. | |
getAudio(): AudioAdapter |
Returns an AudioAdapter interface for audio. |
|
getVideo(): VideoAdapter |
Returns an VideoAdapter interface for video. |
AudioAdapter
wapmorgan\MediaFile\AudioAdapter
| Method | Description |
|---|---|
getLength(): float |
Returns audio length in seconds and microseconds as float. |
getBitRate(): int |
Returns audio bit rate as int. |
getSampleRate(): int |
Returns audio sampling rate as int. |
getChannels(): int |
Returns number of channels used in audio as int. |
isVariableBitRate(): boolean |
Returns whether format support VBR and file has VBR as boolean. |
isLossless(): boolean |
Returns whether format has compression lossless as boolean. |
VideoAdapter
wapmorgan\MediaFile\VideoAdapter
| Method | Description |
|---|---|
getLength(): int |
Returns video length in seconds and microseconds as float. |
getWidth(): int |
Returns width of video as int. |
getHeight(): int |
Returns height of video as int. |
getFramerate(): int |
Returns video frame rate of video as int. |
ContainerAdapter
wapmorgan\MediaFile\ContainerAdapter
| Method | Description |
|---|---|
countStreams(): int |
Returns number of streams in container as int. |
countVideoStreams(): int |
Returns number of video streams as int. |
countAudioStreams(): int |
Returns number of audio streams as int. |
getStreams(): array |
Returns streams information as array. |
Why not using getID3?
getID3 library is very popular and has a lot of features, but it's old and too slow.
Following table shows comparation of analyzing speed of fixtures, distributed with first release of MediaFile:
| File | getID3 | MediaFile | Speed gain |
|---|---|---|---|
| video.avi | 0.215 | 0.126 | 1.71x |
| video.mp4 | 3.055 | 0.429 | 7.12x |
| video.wmv | 0.354 | 0.372 | 0.95x |
| audio.aac | 0.560 | 0.262 | 2.13x |
| audio.amr | 8.241 | 12.248 | 0.67x |
| audio.flac | 1.880 | 0.071 | 26.41x |
| audio.m4a | 13.372 | 0.169 | 79.14x |
| audio.mp3 | 10.931 | 0.077 | 141.54x |
| audio.ogg | 0.170 | 0.096 | 1.78x |
| audio.wav | 0.114 | 0.070 | 1.64x |
| audio.wma | 0.195 | 0.158 | 1.23x |
Technical information
All versions of media-file with dependencies
PHP Build Version
Package Version
Requires
bluemoehre/flac-php Version
1.0.2
wapmorgan/mp3info Version ~0.0
wapmorgan/binary-stream Version ~0.4.0
wapmorgan/file-type-detector Version ^1.0.2
wapmorgan/mp3info Version ~0.0
wapmorgan/binary-stream Version ~0.4.0
wapmorgan/file-type-detector Version ^1.0.2
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