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The TransformationRequest passed to FallbackListener (and createSupportedTransformationRequest) can have null for values that are inferred from source. Within fallback, this can be height, width, video mime type and audio mime type (HDR mode is not linked to source). requestedFormat has these values populated from source, and supportedFormat then finds the closest supported values to the requested. If any of the values in supportedFormat do not match the requestedFormat, then this method would build upon the TransformationRequest and update ALL possible fallback fields. This is a problem because the fallback listener compares the original request to the fallback one and notifies about all the fields that have changed. This CL changes this so that only the values that are not the same as requested are changed in the supported request that is given to the fallback listener. PiperOrigin-RevId: 496908492
Transformer module
Provides functionality for transforming media files.
Getting the module
The easiest way to get the module is to add it as a gradle dependency:
implementation 'androidx.media3:media3-transformer:1.X.X'
where 1.X.X is the version, which must match the version of the other media
modules being used.
Alternatively, you can clone this GitHub project and depend on the module locally. Instructions for doing this can be found in the top level README.