Commit Graph

15 Commits

Author SHA1 Message Date
Gary Katsevman 8825af7b71 feat: add an audiotrackchanged event for when label, language, or roles of an audio track change (#6913)
This piggybacks on the media quality observer to also check whether the
audio track changed and the change was in label, language, or role.

Currently, this new event is triggered is `observeQualityChanges` is
set. This could be moved to a separate config.

I do play to add a test or two to the integration tests.

For verifying the role/label, I was testing against this public test
stream
https://demo.unified-streaming.com/k8s/features/stable/video/tears-of-steel/tears-of-steel-desc-aud.ism/.mpd
(though, it does seem to error out every so often). There might be other
test streams. Angel One is a great one for language.


Also, something that we noticed, but won't be part of this PR. The
timing of this event is likely incorrect if the track was switched and
safeMargin was set. We have some changes for this locally that we can
PR, but there are some issues we found around devices for it, so, it
isn't a straightforward change.
2024-06-27 08:10:37 +02:00
Joey Parrish fbbd63d96b test: Late load tests, fix Chromecast test flake (#4115)
This change fixes tests on Chromecast by loading tests later in the process.  Test scripts are now dynamically inserted by boot.js, rather than loaded by Karma.  The bootstrapping code then awaits the completion of that before starting the Karma frameworks (Jasmine) to run the tests.

This also removes the use of goog.provide/goog.require in tests and test utils.  We don't need to load test utils or library sources dynamically in each test, and this gives us more explicit control over script loading and ordering.

Closes #4094
2022-04-11 15:47:48 -07:00
Aidan Ridley bd7b384c66 feat: Add media quality change events (#3700)
Closes ##3431
2021-11-12 15:07:18 -08:00
michellezhuo 8df67bd3f8 build: add goog.require for compiler upgrade (Part2)
This change includes files under test/dash, test/hls and test/media
folders.

Change-Id: Ifdfcf5a6d6132b79e834e0dad016fc17d09c502c
2020-10-07 19:20:18 +00:00
Joey Parrish 7e6a0f38ff fix: Correct license headers in misc. files
This corrects/normalizes license headers in misc. files, such as
config files, docs, build tools, tests, and externs.  This does not
affect the compiled output, and is only done for consistency.

Issue #2638

Change-Id: I9d8da2de55243b08d7df2b743aac73c6f15e858a
2020-06-09 16:13:56 -07:00
Joey Parrish 1ab3f9c6db Remove position from SegmentReference
As part of Period-flattening, I'm trying to remove our dependence on
the "position" field of SegmentReference.  With that eliminated, we
can more easily concatenate Arrays of SegmentReferences without
modifying them.

 - Make SegmentIndex iterable
 - Add specialized seek() and current() methods to SegmentIterator
 - Remove position from SegmentReference
 - Make positions in SegmentIndex API stable without field in
   reference
 - Remove brittle hard-coded positions in tests (except SegmentIndex
   tests, where they would be hard to avoid in testing methods
   separately)
 - Use SegmentIterator in StreamingEngine to track the next segment
   between switches

Issue #892 (refactor StreamingEngine)
Issue #1339 (period flattening)

Change-Id: I666cc21249c34ee6cbc138a59109d9f1159fa127
2020-03-23 10:09:35 -07:00
Jacob Trimble 011749e95f Standardize argument comments.
This changes the eslint rule to enforce a strict pattern for the
argument comments.  The comment must appear before the argument and
must be /* foo= */.  This still ignores line comments.

Change-Id: I3afb01c65e1088eda13facb3aeeaa7595a2f5aee
2020-01-06 19:40:52 +00:00
Joey Parrish c13830e535 Augment SegmentReference with offset and window
SegmentReference used to have presentationTimeOffset, which,
subtracted from the period start time, was then _added_ to the
timestamps in the segment by MediaSource.

Now, SegmentReference has a timestampOffset field, which is exactly
what MediaSource's timestampOffset field is set to on the SourceBuffer
before this segment is appended.  For DASH, this is periodStart minus
presentationTimeOffset.

This also adds append window start & end times to the
SegmentReference.  Now segments can be appended to SourceBuffers
without reference to the period.

Note that start & end times of the SegmentReference in each segment
index are still relative to the period.  This will change in a
follow-up.

Issue #1339 (flatten periods)
Issue #892 (refactor StreamingEngine)

Change-Id: I9d54eb2b529ec643c9475b8e9d218c3e2e826a26
2019-12-19 11:35:14 -08:00
Joey Parrish 64896d70b0 Use shorter license header
This reflects changes in Google's policy on JavaScript license
headers, which should be smaller to avoid increasing the size of the
binary unnecessarily.

This also updates the company name from "Google, Inc" to "Google LLC".

Change-Id: I3f8b9ed3700b6351f43173d50c94d35c333e82b4
2019-11-22 18:18:36 +00:00
Joey Parrish 289d473dfd Drop the nearly-unused createUris method of SegmentReference
Change-Id: I0ec00e614b2870b8a18d2bb0cd0fc95232c6c28d
2019-11-06 10:51:04 -08:00
Joey Parrish 7fe97b841b Move fields to SegmentReference
To prepare for flattening out the manifest structure to remove
periods, this change moves initSegmentReference and
presentationTimeOffset fields into the SegmentReference object.  This
way, the segments on either side of a period transition or HLS
discontinuity can have different offsets or init segments, eventually
allowing us to create a single array of SegmentReferences for
multi-period content.

Issue #1339

Change-Id: Ic7eff0483789644881247ecf8044c5fb6a48f0e6
2019-08-01 11:04:36 -07:00
Jacob Trimble 47daf49f31 Use arrow functions for callbacks.
This is an automated change to convert use of "function" functions
to arrow functions.  This doesn't change all uses of bind() that
could be converted.  This also doesn't remove all "function" functions.

Change-Id: I40ac7d086bcef947a1be083359c8fd1d4499a9c3
2019-05-09 16:40:46 +00:00
Jacob Trimble c81389741f Prefer const over let.
A coming update to the Google eslint config will require using "const"
over "let".  This makes that one change to isolate the big changes.

Change-Id: I7d0974c3ae15c53cc45a6b07bf9f6586e2d34aca
2019-05-08 09:22:10 -07:00
Jacob Trimble b2bde18a3d Convert 'var' to 'let'/'const' (5 of 9).
This is part of a change to convert all usages of 'var' with either
'let' or 'const'.  This takes a conservative approach for 'const' where
it will only be used for aliases and storing the "original" values in
tests.

Change-Id: If4792c1bd3d5a82c24a4b2f0f84790d4eed22e67
2018-02-20 11:26:46 -08:00
Andriy Lysnevych 3ede513b63 Add getters to SegmentReference and InitSegmentReference (#1203)
Closes #1200
2017-12-22 10:09:20 -08:00