pspdfkit/com.pspdfkit.annotations.sound/AudioExtractor

AudioExtractor

open class AudioExtractor

Extracts audio from media files into EmbeddedAudioSource that is usable for creating SoundAnnotation.

Supported formats depend on the device (see https://developer.android.com/guide/topics/media/media-formats).

Constructors

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constructor(@NonNull context: Context, @NonNull contentUri: Uri)
Creates audio extractor for media file at contentUri.

Functions

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@NonNull
open fun extractAudioTrack(): EmbeddedAudioSource
Extracts selected audio track as an EmbeddedAudioSource that can be set on .
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@NonNull
open fun extractAudioTrackAsync(): Single<EmbeddedAudioSource>
Extracts selected audio track as an EmbeddedAudioSource that can be set on , asynchronously.
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open fun getAudioTracksCount(): Int
Number of audio tracks in the media file.
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open fun getSelectedTrackDuration(): Long
Returns selected track duration in milliseconds.
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open fun selectAudioTrack(audioTrackIndex: Int)
Selects audio track for decoding.