Also convert them to exposing periods and track groups, like
regular MediaSources do. This gets us much closer to being
able to use standard track selection components during offline
initialization. The helper is responsible for reverse mapping
selected tracks onto physical streams when generating the
download action. This is trivial except for the HLS case, which
is a TODO for now.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=195500826
This may be preferable for using custom binary data,
and it's still easy to store Strings if needed.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=195486817
- Made parts of DownloadActions public that were previously hidden.
This is necessary so that when an app is listening to the
DownloadManager, it can tell something about the tasks.
- Simplified DownloadActivity some more. The helpers may migrate
into their corresponding modules at some point, and also be
converted to return structured TrackGroupArrays rather than a
flat list of Formats.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=195269824
A single master version prevents app developers from providing
custom download functionality (because they can't increment the
version). It's also error prone to expect someone modifying the
DASH action to remember to update the ActionFile master version.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194981886
This was adding a lot of code, and the multiple use cases
for Downloader was pretty confusing (in particular the
ordering of method calls was unclear). It's also not
performant (e.g. it requires loading/parsing manifest(s)
and initialization segments from disk).
In practice I think apps will need to keep a record of
what's offlined in their app's database (or equivalent),
which they can update by registering as a listener on
DownloadManager. This will be done for the demo app in
a subsequent change.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194932876
- When calculating the downloaded percentage in DASH, there was no
way to disambiguate between 0 of 0 segments being downloaded because
there are no cached indexes (i.e. 0% downloaded) and 0 of 0 segments
being downloaded because the index defines 0 segments (i.e. 100%
downloaded).
- Also replace use of NaN with a named constant.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194453202
When we play downloaded content, we rely on the manifest filters
to produce a manifest that contains only the content that was
downloaded. It makes sense just to use the same filters during
download too, so we don't have to worry about any implementation
differences.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194380704
ProgressiveDownloader never implemented this properly, and we
don't use it in DownloadManager/DownloadService, both of which
use a polling model. A polling model is also what's used elsewhere,
for example to query the current playback position.
This is effectively doing the TODO in ProgressiveDownloader.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194214579
This removes a fair chunk of code. The line delta would
be more negative if it not for adding all the /* x= */
comments in DashDownloadActionTest!
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194136689
These don't seem to be needed anymore. All tests run without them in gradle
and Blaze.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=191867518
This field (formerly "id") is almost impossible to use so far. Having setters
in the factories allows to specify custom tags for all media sources.
Also added a ExoPlayer.getCurrentTag() method to retrieve the tag of the
currently playing media source in a convenient way.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=191738754
This change enables feeding decoders from the closest sync frame
before a specified seek position, where-as previously we'd
always feed decoders from the start of the chunk. This avoids
decoding and discarding many audio samples during each seek. The
same benefit also applies to video chunks containing more than
one key-frame.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=190539547
This adds callbacks for creating, releasing, and starting to read from media
periods.
Such events allow listeners to keep a list of active media periods. This is
useful to determine when no further events for a certain media period are
expected. It also allows listeners to associate renderer events unambigiously
with a reading media period.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=190462717
This allows to distinguish between media source events of multi-window and
multi-period media sources. In this change, only media sources currently reporting
events are changed. Proper support in composite sources will be added in a later
change.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=188847366
This is achieved by moving the listener registration and the creation of the
event dispatcher into BaseMediaSource.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=188461932
- Change 'compile' configuration (deprecared) to using 'implementation'
and 'api' configurations instead.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=187311778
This is achieved by adding a BaseMediaSource which keeps a reference count of the
number of times the source has been prepared and forwards to the actual implementations
only once, such that only minimal changes are needed for each media source.
Issue:#3498
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=187186691
When SsMediaSource loads Manifest, it dispatches loadCompleted event even when
the load is cancelled. This change makes sure SsMediaSource dispatch
loadCancelled event instead.
GitHub: #3754
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=183241940
These parsers can be used to get a manifest which includes only the
representations identified by the given keys.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=182932874
This achieves two things:
1. All our tests use the same type of assertions.
2. The tests currently run as instrumentation test can be moved to
Robolectric without changing the assertions.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=182910542
This allows listeners to get notified of any change to the embedded tracks.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=181969023
This lets apps fail-fast when they try to reuse media source instances.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=180934445
In some occasions, we may want to discard a part of the buffered media to
improve playback quality. This CL adds this functionality by allowing the
loading media period to re-evaluate its buffer periodically (every 2s) and discard
chunks as it needs.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=177958910
Currently for a DASH ChunkSource that consists of multiple sub-streams, we
always use a CompositeSequenceableLoader, which only allows the furthest behind
loader or any loader that are behind current playback position to continue
loading.
This changes allow clients to have more flexibility when deciding the loading
strategy:
- They can construct a different kind of composite SequenceableLoader from
the sub-loaders, and use it by injecting a different CompositeSequeableLoaderFactory accordingly.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=176363870
Now we have a ChunkSampleStream.discardBuffer, we need to call
it from SsMediaPeriod as well as for the DASH case.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=175675427
Add Builder pattern to SsMediaSource and mark existing constructors as
deprecated.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=175659618
