com.otaliastudios.transcoder.strategy

Class DefaultAudioStrategy

java.lang.Object

com.otaliastudios.transcoder.strategy.DefaultAudioStrategy

All Implemented Interfaces:

TrackStrategy

public class DefaultAudioStrategy
extends java.lang.Object
implements TrackStrategy

An TrackStrategy for audio that converts it to AAC with the given number of channels.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefaultAudioStrategy.Builder
static class	DefaultAudioStrategy.Options Holds configuration values.

Field Summary

Fields

Modifier and Type	Field and Description
static long	BITRATE_UNKNOWN
static int	CHANNELS_AS_INPUT
static int	SAMPLE_RATE_AS_INPUT

Constructor Summary

Constructors

Constructor and Description
DefaultAudioStrategy(DefaultAudioStrategy.Options options)

Method Summary

Modifier and Type	Method and Description
static DefaultAudioStrategy.Builder	builder() Creates a new DefaultAudioStrategy.Builder.
TrackStatus	createOutputFormat(java.util.List<android.media.MediaFormat> inputFormats, android.media.MediaFormat outputFormat) Create the output format for this track (either audio or video).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CHANNELS_AS_INPUT

public static final int CHANNELS_AS_INPUT

See Also:

Constant Field Values

SAMPLE_RATE_AS_INPUT

public static final int SAMPLE_RATE_AS_INPUT

See Also:

Constant Field Values

BITRATE_UNKNOWN

public static final long BITRATE_UNKNOWN

See Also:

Constant Field Values

Constructor Detail

DefaultAudioStrategy

public DefaultAudioStrategy(@NonNull
                            DefaultAudioStrategy.Options options)

Method Detail

builder

@NonNull
public static DefaultAudioStrategy.Builder builder()

Creates a new DefaultAudioStrategy.Builder.

Returns:

a strategy builder

createOutputFormat

@NonNull
public TrackStatus createOutputFormat(@NonNull
                                               java.util.List<android.media.MediaFormat> inputFormats,
                                               @NonNull
                                               android.media.MediaFormat outputFormat)

Description copied from interface: TrackStrategy

Create the output format for this track (either audio or video). Implementors should fill the outputFormat object and return a non-null TrackStatus: - TrackStatus.COMPRESSING: we want to compress this track. Output format will be used - TrackStatus.PASS_THROUGH: we want to use the input format. Output format will be ignored - TrackStatus.REMOVING: we want to remove this track. Output format will be ignored Subclasses can also throw to abort the whole transcoding operation.

Specified by:

createOutputFormat in interface TrackStrategy

Parameters:

inputFormats - the input formats

outputFormat - the output format to be filled

Returns:

the track status