- Cea708 Javadoc references private internals with @link. Doc
about device accessibility settings doesn't relate to the
decoder, either.
- Creator Javadoc unnecessary.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146118092
Instead of clearing the DECODE_ONLY flag for all input buffers in TextRenderer (i.e. for all caption types), we now only clear it on the output buffer in SimpleSubtitleDecoder. The number if input buffers in CeaDecoder has also been increased to reduce the delay before captions appear for playback sessions that start far ahead into the content.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146028680
These currently lead to cryptic ArrayIndexOutOfBoundsExceptions being thrown from System.arraycopy() so my proposal is to throw a more useful ParserException instead.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=142087132
Cue has been modified to optionally accept a fill color and a toggle specifying when to use the fill color. When the fill color toggle is set, then SubtitlePainter will use the fill color value instead of the color specified by the device's Accessibility settings. Cea708Decoder has also been modified to propagate that value, as well as cleaned up (in terms of documentation) to prepare it for inclusion in the open-source project.
There is also a new Cea708Cue, extending Cue, which holds the Cue's priority, which is used to sort potentially overlapping cues/windows.
Note that I've left the @ClosedSource annotation and logging in this CL. I intend to start testing the 608 and 708 functionality in the Fiber app to ensure that it works as expected on a wide-range of channels (as opposed to the single channel in ExoPlayer Demo) before removing these.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=142173264
- Infer likely left/center/right alignment for pop-on captions.
This makes the rendering much better in practice, particularly
when the captions were intended to be center aligned.
- Fix line anchoring.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=141156222
CEA-608 specifies a "safe-area" in which the captions should be rendered. This change adjusts all of the cue positions so they are within that safe area. It also fixes a minor issue in which roll up captions would drift towards the last row if a preamble address code had the "next row toggle" bit set.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=141077433
When CEA-608 is embedded in MP4 each packet consists of
cc_data_1 and cc_data_2 only. The marker_bits, cc_valid
and cc_type are implicit. As a result playback of CEA-608
embedded in MP4 broke when we started passing the extra
byte for the TS case (and adjusted the decoder to assume
the byte was present).
This change introduces a special mimeType for the case
where the byte is implicit (!). An alternative option
was to insert the extra byte every 2 bytes in the MP4
extractor, but this is really quite fiddly to get right.
Also made the loops in the 608/708 decoders robust against
input of the wrong length.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=140609304
A VOD-style period in a dynamic manifest would result in a NullPointerException.
Also fix another issue in which an unrecognized mime type would also result in
NullPointerException.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=138075137
- Fix NPE issue in SingleSampleMediaPeriod.
- Delay handling of EOS in TextRenderer until the last
subtitle is fully played out.
Issue: #1882
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134979286
All of the classes in the text.eia608 package have been moved to
text.cea, and renamed with the "cea" prefix instead of "eia". All of
the buffering logic has been extracted from Cea608Decoder (formerly
Eia608Decoder) into the abstract CeaDecoder, which Cea608Decoder
extends. Cea608Decoder also now expects a 3-byte sample (i.e. the
entire cc_data_pkt instead of just the cc_data_1 and cc_data_2 bytes).
Classes like RawCcExtractor and SeiReader, responsible for creating
these samples, have also been updated accordingly.
This change is a necessary precursor to adding support for multi
-channel CEA-608 and CEA-708 captions.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134537482
Eia608Decoder.
Full preamble positioning will be provided in a subsequent CL. This CL
also contains some minor cleanup in Eia608Decoder and adds some TODOs
to handle the second channel.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134299337
Also inline a few methods/classes where they can be made
private and therefore be removed from the public API.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=130935090
- Use a single constant for unset/unknown times across
all time bases. Note also that this moves away from
use of -1 for unset/unknown times in ms, which was a
bad choice (it might conflict with real times, such
as a time representing being just behind the start
of a live window).
- Add a few other unset constants, and use them.
- Fix some hardcoding of -1 where existing constants
should have been used.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=130775594
Split Cue Rendering up into a layout, background drawing and foreground
drawing phase so that issues with overlapping 608 captions are being prevented.
- Invoked --> Called
- Gets --> Returns
- "True if X. False otherwise." --> "Whether X."
- Removed some @returns where the Javadoc is in "Returns X" form
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=128678638
- Cleaned up documentation
- Removed getIndex from Renderer interface
- Renamed reset to be positionReset
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127731006
In V1 we received complaints that Renderer was too locked down.
In particular, it wasn't possible to implement a Renderer that
wrapped another Renderer, since most of the methods were package
private and final (e.g. enable).
This change defines Renderer as a proper interface, removing
this limitation. A method-reordering-only change will follow
this one, to get things into a nice consistent/sane order in
each of the Renderer classes.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127527995
1. Rename "extensions" package to "decoder". It's used by both
text and (should be used by) metadata, so it's no longer just
for extensions.
2. Move Buffer objects move into the decoder package.
3. Rename SubtitleParser and MetadataParser to SubtitleDecoder
and MetadataDecoder respectively, since they extend Decoder.
Ditto for all subclasses.
4. Subtitle and Metadata decoders now throw their own exception
types rather than ParserException.
5. Move MediaCodec classes into a mediacodec package, with the
exception of the concrete audio and video renderers.
6. Create an audio package to hold the two audio renderer classes
plus related util classes.
7. Create a video package to hold the one video renderer class
plus related util classes.
After this change the following nice properties hold:
1. Want a video renderer? Look in the video package. Ditto for
audio, text and metadata.
2. All TrackRenderer implementations use a decoder of some kind
to decode buffers received from the source, so we have
consistent terminology there.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127326805
