SDK / exoplayer

- WavHeader is now immutable and contains only values parsed out
  of the WAVE FMT chunk. It no longer contains a C.PcmEncoding
  encoding, or mutable data bounds.
- WavHeaderReader now parses the WAVE header chunks without any
  additional logic (e.g. validating the block alignment value,
  which is format type dependent).
- The SeekMap part of WavHeader is split out into WavSeekMap.

PiperOrigin-RevId: 285232498

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Flac streams exist but are not commonly used. Also, they are not
supported by the FLAC extension extractor.

PiperOrigin-RevId: 284514327

This makes the format metadata null (instead of an empty Metadata
object) when it is not provided, and is therefore consistent with the
other extractors behavior.

PiperOrigin-RevId: 284171148

Also remove getRendererCapabilities arg that's now always null.

PiperOrigin-RevId: 283966795

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Also remove redundant line

PiperOrigin-RevId: 283956203

Saves around 200 lines of code. High level overview:
- Rename SampleQueue to SampleDataQueue.
- Rename SampleMetadataQueue to SampleQueue.

This CL should not introduce behavior changes. The only significant
changes in synchronization should be:
+ Add synchronized keyword to isReady.
  - Seems to be necessary.
+ Add synchronized keyword to SampleQueue.sampleMetadata.
  - Before this change, SampleQueue.sampleMetadata could acquire the
    SampleMetadataQueue lock three times in a single method call.

Other miscellaneous improvements:
+ Put all private methods at the bottom.
+ Move release() to the right category.

PiperOrigin-RevId: 283795844

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I wrote this myself

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Preliminary measurement showed that the results were similar to the non-optimized
version.

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Seeking, live streams support and exposure of vorbis and ID3 data
are not part of this commit.

Issue: #6406
PiperOrigin-RevId: 281083332

Add favicon to javadocs

r2.11.1

PiperOrigin-RevId: 286587978

Where media segments are specified using byte ranges, it makes
sense that a server might return 416 (which we don't consider
for blacklisting) if the segment is unavailable, rather than
the 404 (which we do consider for blacklisting) that we expect
when media segments are only specified using a URL.

Issue: #6775
PiperOrigin-RevId: 286620698

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Issue:#6776

Issue: #6774
PiperOrigin-RevId: 286576383

The Download constructor considers it invalid to have a failure
reason if the download isn't in the failed state. Unfortunately,
calling DefaultDownloadIndex.removeAllDownloads when there's a
failed download will change the state without clearing the reason.
If the downloads are then read back from the DefaultDownloadIndex
we end up violating the Download constructor assertion.

This change clears the failed reason for any existing rows in the
invalid state, and also fixes the root cause that allows invalid
rows to enter the table in the first place.

Issue: #6785
PiperOrigin-RevId: 286576242

Issue: #6774
PiperOrigin-RevId: 286575797

Merge of https://github.com/google/ExoPlayer/pull/6793

PiperOrigin-RevId: 286556008

Without this @Nullable, potential subclasses can't  override the
method to return null if they don't want to use the renderer as a
media clock.

Issue:#6792
PiperOrigin-RevId: 286545736

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This seems to work with R8 but interact badly with ProGuard.

issue:#6771
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R8 does constant folding, so we need to keep buildRawResourceUri
to ensure that resources passed to it are kept.

PiperOrigin-RevId: 286153875

These annotations are compile-only - so we don't mind they're not
accessible at runtime.

PiperOrigin-RevId: 285993063