SDK / exoplayer

Update it to throw if hasNext() is false, to match Java's Iterator
interface.

This also simplifies the null-checking annotations required

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The leanback library doesn't know about non-square pixels. So if
we're playing content that uses non-square pixels, we need to adjust
the video dimensions that we provide to leanback such that it
renders the video with the correct aspect ratio.

PiperOrigin-RevId: 277042560

Also remove it from all tests, these aren't covered by the null-checker

Covered by the following package-info.java files:
- j/c/g/a/exoplayer2/ext/mediasession/package-info.java
- j/c/g/a/exoplayer2/package-info.java
- j/c/g/a/exoplayer2/offline/package-info.java
- j/c/g/a/exoplayer2/video/package-info.java
- j/c/g/a/exoplayer2/ui/package-info.java

PiperOrigin-RevId: 277038916

Also add unit tests for SampleQueue read for samples with
DRM requirements.

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*** Original commit ***

Rollback of https://github.com/google/ExoPlayer/commit/bf01ff0f60930427cb8a31e88fcad009d89132cc

*** Original commit ***

Use Float.NaN for Cue#DIMEN_UNSET

Float.MIN_VALUE is very close to zero:
"A constant holding the smallest positive nonzero value of type float"
https://developer.android.com/reference/java/lang/Float.html#MIN_VALUE

Float.NaN more clearly conveys this is an invalid number,
and will also more clearly carry over if we do maths on it a...

***

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Prevents access of fields before initialization. Also set
remoteMediaClient in the constructor by using setRemoteMediaClient
instead of assigning the field directly, which will (if possible)
pull the state of the receiver in the constructor.

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Everyone should use the Builder.

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Otherwise, it will be a build error once we turn on the error.
Sponge: https://sponge.corp.google.com/target?id=8e88bd90-a716-40f7-9599-b70e9193b297&target=//third_party/java_src/android_libs/exoplayer/v2/extensions/flac/src/main:binary.
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Also change the type of endTime to long to match startTime

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*** Original commit ***

Use Float.NaN for Cue#DIMEN_UNSET

Float.MIN_VALUE is very close to zero:
"A constant holding the smallest positive nonzero value of type float"
https://developer.android.com/reference/java/lang/Float.html#MIN_VALUE

Float.NaN more clearly conveys this is an invalid number,
and will also more clearly carry over if we do maths on it accidentally.

***

PiperOrigin-RevId: 276315786

Float.MIN_VALUE is very close to zero:
"A constant holding the smallest positive nonzero value of type float"
https://developer.android.com/reference/java/lang/Float.html#MIN_VALUE

Float.NaN more clearly conveys this is an invalid number,
and will also more clearly carry over if we do maths on it accidentally.

PiperOrigin-RevId: 276277784

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With lots of int comparisons close together, this makes the error
messages much clearer and saves having to manually match up line
numbers.

Also make every @test just throw Exception

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Without this, a subtitle track empty edit list used to offset the start of
subtitles is ignored.

Also the current code seems to depend on the order in which
we parse the tracks (audio first means we have gapless info when we parse
video track, while video first we wouldn't).

It's not clear why we can't handle both edit lists & gapless info

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Pull it into a top-level package private class at the same time

As suggested in https://github.com/google/ExoPlayer/commit/0ba91811d146e14b6bb814d15c8bb3e09011aa79

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ISSUE: #6550
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- Leaving GvrAudioProcessor for now.
- Removing GvrPlayerActivity because it was never released. Also removing
  related UI classes. These were released, but it's unlikely anyone would
  have been using them directly.

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This reverts https://github.com/google/ExoPlayer/commit/a81dea6a47c7df83f029e03080dd6878ab75f133 and adds in the necessary nullness annotations

After a discussion that this:: method references allocate on every call:
https://dzone.com/articles/passing-thismethod-reference-within-a-loop-affects

PiperOrigin-RevId: 275813989

*** Original commit ***

Rollback of https://github.com/google/ExoPlayer/commit/4ad4e3e4fcf2480bc36e7034026a3538ec7664be

*** Original commit ***

Rollback of https://github.com/google/ExoPlayer/commit/3b22db33ba944df6829b1eff328efb0cd25e1678

*** Original commit ***

add top-level playlist API to ExoPlayer

Public design doc:
https://docs.google.com/document/d/11...

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PiperOrigin-RevId: 275813737

ConditionVariable.block(timeout) doesn't work in Robolectric, because it
relies on the system clock which doesn't advance.

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The compositeSequenableLoader was causing NPEs in isLoading. Initializing it
upfront prevents this problem and is in line with what we do in all real
MediaPeriods.

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Issue:#6537
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