SDK / exoplayer

Parse the duration of the media directly from the manifest
in the DASH/SS SampleSource implementations.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=121001296

This change pulls manifest refresh responsibility up to the
top level Dash/SS SampleSource implementations. In following
steps more of the manifest processing logic will be pulled
up (e.g. extracting track groups from the initial manifest),
which will allow ChunkSampleSource/ChunkSource instances to
be further simplified and created on demand.

I've avoided moving/renaming anything for now, so as to keep
it fairly easy to review.

Note that this change does the TODO related to releasing the
manifest fetchers.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=121001139

This is a mechanical change. The two new SampleSource classes
are forked from MultiSampleSource, with the logic that previously
was in the demo app's SourceBuilder methods copied into the
corresponding constructors. Subsequent steps will:

1. Pull the initial manifest processing from DashChunkSource and
SmoothStreamingChunkSource into the new SampleSource classes.
2. Remove the construction of ChunkSampleSource instances from
the constructors, instead instantiating children only as needed
when tracks are enabled.
3. Simplify ChunkSampleSource down into a ChunkTrackStream object.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=121001021

Refactored Eia608Parser so that it manipulates the caption string builder directly, avoiding unnecessary object allocation.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120926283

pageHeader.headerArray is only used in getNextSeekPosition()
in which populatePageHeader() resets them both at the beginning
anyway.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120902428

The construction currently in SourceBuilder will be
moving inside of the core lib, so it can't refer to
DemoPlayer constants.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120822759

If rendererMediaClock is non-null, the rendererMediaClockSource is enabled or
started, so remove the check in updatePositionUs.

When disabling renderers for track selection, renderers with changing track
selections always transition from started -> enabled.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120819483

- You can't link to a generic type (apparently).
- Suppress unchecked conversion warning.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120817601

Plus add processOutputBuffersChanged just for consistency
with processOutputBuffer and processOutputFormat.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120811608

Functionality is moved into Eia608Parser, so that Eia608Parser
can be used with TextTrackRenderer, similar to all the other
text/subtitle formats. Modified some of the other
text/subtitle-related classes to support the new behaviour.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120755145

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120722975

This CL allows near-complete support to CSS selectors (I say near because not every
CSS rule applies to WebVTT).
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120717498

Now uses buffer position + limit in both new and legacy modes.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120713837

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120699171

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120694784

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120693278

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120691990

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120689946

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120553402

Reading the format and/or a sample needs to be done as a
single operation. Else you can have a situation where the
queue is initially empty, and this happens:

1) Read downstream format X
2) Read downstream format X (unchanged)
3) Write format Y
4) Write first sample
5) Read first sample

The first sample then appears to be format X rather than Y.

Note that readData in the SampleSource implementations always
looks roughly the same. readReset is identical in all cases.
isReady is identical in all cases now I've fixed them to be
that way. So it should be pretty easy to get DefaultTrackOutput
to implement TrackStream directly, at which point a whole load
of duplication will disappear.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120546377

- Code is simpler. We only ever reset all tracks.
- Allows the standalone media clock to be updated properly. This
  allows simpler recovery for live streams in ExtractorSampleSource.
- Fixes #1285 and paves the way for a fix for #758.

Issue: #1285
Issue: #758
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120530682

I think the concept of a sparse track might need formalizing
in Format at some point. We should probably do a similar thing
with sparse tracks in ExtractorSampleSource as well. WDYT?

Issue: #551
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120530195

This is just wrong. I think there used to be an off-by-one
timestamp error in YouTube's fmp4 streams, and this code
was initially designed exclusively to play such streams. I
don't see this issue any more though, if it was ever there!
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120447694

Having moved HLS to use single sample queues per track, these
classes have become relatively similar. This CL aligns the two
to make this more obvious. It remains unclear whether it'll
ever be sensible to merge them; there are still some niggly
complications for HLS.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120429618

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120425278

This CL provides the necessary infrastructure to add styling by class. This was separated
into two different CLs to ease reviewing.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120336976

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120335929

Here is a WAV that exhibits this issue:
https://storage.googleapis.com/courtside-public/dcower/reaper_16bit_nonbwf.wav
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120334203

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120334164

This can occur in some Broadcast Wave Format (BWF) files, such as those
produced by the Zoom H2n. See the included sample for an example.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120334117

Also support "lpcm" and "sowt" sample descriptors.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120334017

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120332794

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120332721

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120331805

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120326293

- RollingSampleBuffer -> DefaultTrackOutput
- TsChunk -> HlsMediaChunk
- Established hls.playlist package for HLS playlist things
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120325049

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120240634

Notes:
- RollingSampleBuffer will be renamed DefaultTrackOutput in a
  following CL, and variable naming will be sanitized.
- TsChunk will also be renamed to HlsMediaChunk, since it can
  be used for non-TS containers (e.g. MP3).
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120240243

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120225655

This also fixes the largest queued timestamp to be the
correct value if upstream samples are discarded.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120207054