SDK / exoplayer

This allows to access the associated functionality of AudioTrack and
fills a feature gap to MediaPlayer, which has a similar method.

Issue: androidx/media#135
PiperOrigin-RevId: 476398964

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* Before this CL, the texture was stored during the construction of the LUT processor. This failed since if one creates a list of GlEffects on the application thread, the texture will get stored in the application thread during the effect creation and not on the GL thread, which executes the FrameProcessors.
* This is an issue since the executing thread then can't index from the texture stored on a different thread.

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#minor-release

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If the sample type is dolby vision and the following conditions match
a)There is a supported alternative codec mimetype
b)Display does not support Dolby Vision
Then getDecoderInfos will return the alternative types.

Issue: google/ExoPlayer#9794
PiperOrigin-RevId: 476356223

To confirm that tone mapping did or did not happen.

PiperOrigin-RevId: 476354606

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* Transform the intermediate color space to linear SDR by applying the SMPTE 170M EOTF and OETF.
* Use linear colors for the color filter pixel tests and update all golden bitmaps.

PiperOrigin-RevId: 476124592

The ClearKey CDM will attach an 'invalid' URL in `KeyRequest` objects,
when the documentation states this should be an empty string if a
default URL is not known.

#minor-release

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Tested:
  * Manually using both path and file descriptor.
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* The command changed after creating a custom effects module.

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Currently doSomeWork is never closed and so tracing is deceiving.

See https://screenshot.googleplex.com/eZDzn5APpBNnhe5

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* Adds SDR 3D LUT functionalities with OpenGL 2.0 support.

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By skipping every other row and column, SSIM calculation time reduces by 10-30%.

PiperOrigin-RevId: 474286702

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As part of this change, MssimCalculator is moved from androidTest/ to main/

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* Add docs for the public constructor for consistency with all the
other frame processors.

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This method is useful for other tests also.

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*** Original commit ***

Handle int instead of byte in SSIM.

The value of pixels are converted to integers at the point of use,
move this logic to the initialisation step.

This is a prerequisite step for testing SSIM calculation, which
will lead on to some SSIM improvements being verifiable.

Tested manually and SSIM values match for the same video
before and after this change.

***

PiperOrigin-RevId: 473259446

The value of pixels are converted to integers at the point of use,
move this logic to the initialisation step.

This is a prerequisite step for testing SSIM calculation, which
will lead on to some SSIM improvements being verifiable.

Tested manually and SSIM values match for the same video
before and after this change.

PiperOrigin-RevId: 473231779

PiperOrigin-RevId: 473212543

* Refactor caching for matrix transformations to reuse it for rgb matrices.

PiperOrigin-RevId: 473042194

Test that HDR editing succeeds on devices supporting HDR editing, tone maps on
devices supporting tone mapping, and throws exceptions on all other devices.

Also, only restrict HDR editing and tone mapping support to API 31+ only when
transcoding, not for all transformations.

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#minor-release

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If the back buffer is using too much memory, there is a risk
playback could get stuck because LoadControl refuses to load
further data. This eventually results in a stuck-buffering
playback error.

We can detect this case, clear the back buffer and then ask
the LoadControl again to avoid failing playback in such a case.

PiperOrigin-RevId: 472679797

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The stream offset is used to calculate the presentation time of
a metadata object when reading and later when playing, to calculate
the current presentation time to decide whether to send the metadata
to the output.

Accordingly, the presentation time of a pending metadata that has been
calculated with a given offset needs to be recalculated when the
stream offset changes.

#minor-release

PiperOrigin-RevId: 472499943