DecoderReuseEvaluation (ExoPlayer library)

java.lang.Object
- com.google.android.exoplayer2.decoder.DecoderReuseEvaluation

```
public final class DecoderReuseEvaluation
extends Object
```
The result of an evaluation to determine whether a decoder can be reused for a new input format.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`DecoderReuseEvaluation.DecoderDiscardReasons`	Possible reasons why reuse is not possible.
`static interface`	`DecoderReuseEvaluation.DecoderReuseResult`	Possible outcomes of the evaluation.

Field Summary

Fields
Modifier and Type	Field	Description
`String`	`decoderName`	The name of the decoder.
`static int`	`DISCARD_REASON_APP_OVERRIDE`	Decoder reuse is disabled by overriding behavior in application code.
`static int`	`DISCARD_REASON_AUDIO_CHANNEL_COUNT_CHANGED`	The audio channel count is changing.
`static int`	`DISCARD_REASON_AUDIO_ENCODING_CHANGED`	The audio encoding is changing.
`static int`	`DISCARD_REASON_AUDIO_SAMPLE_RATE_CHANGED`	The audio sample rate is changing.
`static int`	`DISCARD_REASON_DRM_SESSION_CHANGED`	The DRM session is changing.
`static int`	`DISCARD_REASON_INITIALIZATION_DATA_CHANGED`	The format initialization data is changing.
`static int`	`DISCARD_REASON_MAX_INPUT_SIZE_EXCEEDED`	The new format may exceed the decoder's configured maximum sample size, in bytes.
`static int`	`DISCARD_REASON_MIME_TYPE_CHANGED`	The sample MIME type is changing.
`static int`	`DISCARD_REASON_OPERATING_RATE_CHANGED`	The codec's operating rate is changing.
`static int`	`DISCARD_REASON_REUSE_NOT_IMPLEMENTED`	Decoder reuse is not implemented.
`static int`	`DISCARD_REASON_VIDEO_COLOR_INFO_CHANGED`	The video `ColorInfo` is changing.
`static int`	`DISCARD_REASON_VIDEO_MAX_RESOLUTION_EXCEEDED`	The new format may exceed the decoder's configured maximum resolution.
`static int`	`DISCARD_REASON_VIDEO_RESOLUTION_CHANGED`	The video resolution is changing.
`static int`	`DISCARD_REASON_VIDEO_ROTATION_CHANGED`	The video rotation is changing.
`static int`	`DISCARD_REASON_WORKAROUND`	Decoder reuse is disabled by a workaround.
`int`	`discardReasons`	`Reasons` why the decoder cannot be reused.
`Format`	`newFormat`	The new `Format` being evaluated.
`Format`	`oldFormat`	The `Format` for which the decoder was previously configured.
`int`	`result`	The `result` of the evaluation.
`static int`	`REUSE_RESULT_NO`	The decoder cannot be reused.
`static int`	`REUSE_RESULT_YES_WITH_FLUSH`	The decoder can be reused, but must be flushed.
`static int`	`REUSE_RESULT_YES_WITH_RECONFIGURATION`	The decoder can be reused.
`static int`	`REUSE_RESULT_YES_WITHOUT_RECONFIGURATION`	The decoder can be kept.

Constructor Summary

Constructors
Constructor	Description
`DecoderReuseEvaluation(String decoderName, Format oldFormat, Format newFormat, int result, int discardReasons)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

boolean equals(Object obj)

int hashCode()
- Methods inherited from class java.lang.Object
  clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object obj)`
`int`	`hashCode()`

- Field Detail
  - REUSE_RESULT_NO
```
public static final int REUSE_RESULT_NO
```
    The decoder cannot be reused.
    
    See Also:
    
    Constant Field Values
  - REUSE_RESULT_YES_WITH_FLUSH
```
public static final int REUSE_RESULT_YES_WITH_FLUSH
```
    The decoder can be reused, but must be flushed.
    
    See Also:
    
    Constant Field Values
  - REUSE_RESULT_YES_WITH_RECONFIGURATION
```
public static final int REUSE_RESULT_YES_WITH_RECONFIGURATION
```
    The decoder can be reused. It does not need to be flushed, but must be reconfigured by prefixing the next input buffer with the new format's configuration data.
    
    See Also:
    
    Constant Field Values
  - REUSE_RESULT_YES_WITHOUT_RECONFIGURATION
```
public static final int REUSE_RESULT_YES_WITHOUT_RECONFIGURATION
```
    The decoder can be kept. It does not need to be flushed and no reconfiguration is required.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_REUSE_NOT_IMPLEMENTED
```
public static final int DISCARD_REASON_REUSE_NOT_IMPLEMENTED
```
    Decoder reuse is not implemented.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_WORKAROUND
```
public static final int DISCARD_REASON_WORKAROUND
```
    Decoder reuse is disabled by a workaround.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_APP_OVERRIDE
```
public static final int DISCARD_REASON_APP_OVERRIDE
```
    Decoder reuse is disabled by overriding behavior in application code.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_MIME_TYPE_CHANGED
```
public static final int DISCARD_REASON_MIME_TYPE_CHANGED
```
    The sample MIME type is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_OPERATING_RATE_CHANGED
```
public static final int DISCARD_REASON_OPERATING_RATE_CHANGED
```
    The codec's operating rate is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_INITIALIZATION_DATA_CHANGED
```
public static final int DISCARD_REASON_INITIALIZATION_DATA_CHANGED
```
    The format initialization data is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_MAX_INPUT_SIZE_EXCEEDED
```
public static final int DISCARD_REASON_MAX_INPUT_SIZE_EXCEEDED
```
    The new format may exceed the decoder's configured maximum sample size, in bytes.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_DRM_SESSION_CHANGED
```
public static final int DISCARD_REASON_DRM_SESSION_CHANGED
```
    The DRM session is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_VIDEO_MAX_RESOLUTION_EXCEEDED
```
public static final int DISCARD_REASON_VIDEO_MAX_RESOLUTION_EXCEEDED
```
    The new format may exceed the decoder's configured maximum resolution.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_VIDEO_RESOLUTION_CHANGED
```
public static final int DISCARD_REASON_VIDEO_RESOLUTION_CHANGED
```
    The video resolution is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_VIDEO_ROTATION_CHANGED
```
public static final int DISCARD_REASON_VIDEO_ROTATION_CHANGED
```
    The video rotation is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_VIDEO_COLOR_INFO_CHANGED
```
public static final int DISCARD_REASON_VIDEO_COLOR_INFO_CHANGED
```
    The video ColorInfo is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_AUDIO_CHANNEL_COUNT_CHANGED
```
public static final int DISCARD_REASON_AUDIO_CHANNEL_COUNT_CHANGED
```
    The audio channel count is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_AUDIO_SAMPLE_RATE_CHANGED
```
public static final int DISCARD_REASON_AUDIO_SAMPLE_RATE_CHANGED
```
    The audio sample rate is changing.
    
    See Also:
    
    Constant Field Values
  - DISCARD_REASON_AUDIO_ENCODING_CHANGED
```
public static final int DISCARD_REASON_AUDIO_ENCODING_CHANGED
```
    The audio encoding is changing.
    
    See Also:
    
    Constant Field Values
  - decoderName
```
public final String decoderName
```
    The name of the decoder.
  - oldFormat
```
public final Format oldFormat
```
    The Format for which the decoder was previously configured.
  - newFormat
```
public final Format newFormat
```
    The new Format being evaluated.
  - result
```
@DecoderReuseResult
public final int result
```
    The result of the evaluation.
  - discardReasons
```
@DecoderDiscardReasons
public final int discardReasons
```
    Reasons why the decoder cannot be reused. Always 0 if reuse is possible. May also be {code 0} if reuse is not possible for an unspecified reason.
- Constructor Detail
  - DecoderReuseEvaluation
```
public DecoderReuseEvaluation(String decoderName,
                              Format oldFormat,
                              Format newFormat,
                              @DecoderReuseResult
                              int result,
                              @DecoderDiscardReasons
                              int discardReasons)
```
    Parameters:
    
    decoderName - The name of the decoder.
    
    oldFormat - The Format for which the decoder was previously configured.
    
    newFormat - The new Format being evaluated.
    
    result - The result of the evaluation.
    
    discardReasons - One or more reasons why the decoder cannot be reused, or 0 if reuse is possible.
- Method Detail
  - equals
```
public boolean equals(@Nullable
                      Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object

Class DecoderReuseEvaluation

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

REUSE_RESULT_NO

REUSE_RESULT_YES_WITH_FLUSH

REUSE_RESULT_YES_WITH_RECONFIGURATION

REUSE_RESULT_YES_WITHOUT_RECONFIGURATION

DISCARD_REASON_REUSE_NOT_IMPLEMENTED

DISCARD_REASON_WORKAROUND

DISCARD_REASON_APP_OVERRIDE

DISCARD_REASON_MIME_TYPE_CHANGED

DISCARD_REASON_OPERATING_RATE_CHANGED

DISCARD_REASON_INITIALIZATION_DATA_CHANGED

DISCARD_REASON_MAX_INPUT_SIZE_EXCEEDED

DISCARD_REASON_DRM_SESSION_CHANGED

DISCARD_REASON_VIDEO_MAX_RESOLUTION_EXCEEDED

DISCARD_REASON_VIDEO_RESOLUTION_CHANGED

DISCARD_REASON_VIDEO_ROTATION_CHANGED

DISCARD_REASON_VIDEO_COLOR_INFO_CHANGED

DISCARD_REASON_AUDIO_CHANNEL_COUNT_CHANGED

DISCARD_REASON_AUDIO_SAMPLE_RATE_CHANGED

DISCARD_REASON_AUDIO_ENCODING_CHANGED

decoderName

oldFormat

newFormat

result

discardReasons

Constructor Detail

DecoderReuseEvaluation

Method Detail

equals

hashCode