java.lang.Object
- com.google.android.exoplayer2.util.MediaFormatUtil

```
public final class MediaFormatUtil
extends Object
```
Helper class containing utility methods for managing MediaFormat instances.

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`KEY_PCM_ENCODING_EXTENDED`	Custom `MediaFormat` key associated with an integer representing the PCM encoding.
`static String`	`KEY_PIXEL_WIDTH_HEIGHT_RATIO_FLOAT`	Custom `MediaFormat` key associated with a float representing the ratio between a pixel's width and height.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static MediaFormat`	`createMediaFormatFromFormat(Format format)`	Returns a `MediaFormat` representing the given ExoPlayer `Format`.
`static void`	`maybeSetByteBuffer(MediaFormat format, String key, byte[] value)`	Sets a `MediaFormat` `ByteBuffer` value.
`static void`	`maybeSetColorInfo(MediaFormat format, ColorInfo colorInfo)`	Sets a `MediaFormat`'s color information.
`static void`	`maybeSetFloat(MediaFormat format, String key, float value)`	Sets a `MediaFormat` float value.
`static void`	`maybeSetInteger(MediaFormat format, String key, int value)`	Sets a `MediaFormat` integer value.
`static void`	`maybeSetString(MediaFormat format, String key, String value)`	Sets a `MediaFormat` `String` value.
`static void`	`setCsdBuffers(MediaFormat format, List<byte[]> csdBuffers)`	Sets a `MediaFormat`'s codec specific data buffers.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - KEY_PIXEL_WIDTH_HEIGHT_RATIO_FLOAT
```
public static final String KEY_PIXEL_WIDTH_HEIGHT_RATIO_FLOAT
```
    Custom MediaFormat key associated with a float representing the ratio between a pixel's width and height.
    
    See Also:
    
    Constant Field Values
  - KEY_PCM_ENCODING_EXTENDED
```
public static final String KEY_PCM_ENCODING_EXTENDED
```
    Custom MediaFormat key associated with an integer representing the PCM encoding.
    Equivalent to MediaFormat.KEY_PCM_ENCODING, except it allows additional values defined by C.PcmEncoding, including C.ENCODING_PCM_16BIT_BIG_ENDIAN, C.ENCODING_PCM_24BIT, and C.ENCODING_PCM_32BIT.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - createMediaFormatFromFormat
```
public static MediaFormat createMediaFormatFromFormat(Format format)
```
    Returns a MediaFormat representing the given ExoPlayer Format.
    May include the following custom keys:
    
    KEY_PIXEL_WIDTH_HEIGHT_RATIO_FLOAT.
    KEY_PCM_ENCODING_EXTENDED.
  - maybeSetString
```
public static void maybeSetString(MediaFormat format,
                                  String key,
                                  @Nullable
                                  String value)
```
    Sets a MediaFormat String value. Does nothing if value is null.
    
    Parameters:
    
    format - The MediaFormat being configured.
    
    key - The key to set.
    
    value - The value to set.
  - setCsdBuffers
```
public static void setCsdBuffers(MediaFormat format,
                                 List<byte[]> csdBuffers)
```
    Sets a MediaFormat's codec specific data buffers.
    
    Parameters:
    
    format - The MediaFormat being configured.
    
    csdBuffers - The csd buffers to set.
  - maybeSetInteger
```
public static void maybeSetInteger(MediaFormat format,
                                   String key,
                                   int value)
```
    Sets a MediaFormat integer value. Does nothing if value is Format.NO_VALUE.
    
    Parameters:
    
    format - The MediaFormat being configured.
    
    key - The key to set.
    
    value - The value to set.
  - maybeSetFloat
```
public static void maybeSetFloat(MediaFormat format,
                                 String key,
                                 float value)
```
    Sets a MediaFormat float value. Does nothing if value is Format.NO_VALUE.
    
    Parameters:
    
    format - The MediaFormat being configured.
    
    key - The key to set.
    
    value - The value to set.
  - maybeSetByteBuffer
```
public static void maybeSetByteBuffer(MediaFormat format,
                                      String key,
                                      @Nullable
                                      byte[] value)
```
    Sets a MediaFormat ByteBuffer value. Does nothing if value is null.
    
    Parameters:
    
    format - The MediaFormat being configured.
    
    key - The key to set.
    
    value - The byte array that will be wrapped to obtain the value.
  - maybeSetColorInfo
```
public static void maybeSetColorInfo(MediaFormat format,
                                     @Nullable
                                     ColorInfo colorInfo)
```
    Sets a MediaFormat's color information. Does nothing if colorInfo is null.
    
    Parameters:
    
    format - The MediaFormat being configured.
    
    colorInfo - The color info to set.

Class MediaFormatUtil

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

KEY_PIXEL_WIDTH_HEIGHT_RATIO_FLOAT

KEY_PCM_ENCODING_EXTENDED

Method Detail

createMediaFormatFromFormat

maybeSetString

setCsdBuffers

maybeSetInteger

maybeSetFloat

maybeSetByteBuffer

maybeSetColorInfo