Commit Graph

33 Commits

Author SHA1 Message Date
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 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
michellezhuo 1ada5e7574 [Hls] Move MPEG TS Timestamp rollover to Vtt Text Parser
Change-Id: Id840f8201d9d31f00fa38c88f632ff9e515e07a6
2019-10-08 23:39:52 +00:00
michellezhuo 9d66e3bb09 [Hls] Avoid duplicate calls to get segment start time for VOD
For VOD, the first segment of every Media Playlist in every Variant
Stream must start at the same media timestamp. Thus, we can get the
start time once and store the value, and all the streams can use the
value directly. For live, we assume for the same.
This change reduces calling getStartTime_() from 15 times to once for
Angel One, and also fixes the text segment timestamp issue.
Also removed associated methods that no longer needed.

Closes #1558
Closes #1563

Change-Id: I0e95ab93ea2b13758128f11019b262bc53dbcd38
2019-09-30 15:43:57 -07:00
Jacob Trimble bf5547b78c Refactor ArrayBuffer usage in tests.
Change-Id: I27e898a7d3c2d706e265abfc4b9bde88b67f3256
2019-08-21 20:44:36 +00:00
Theodore Abshire 3a67802ce2 Fix parseFirstCue test on some platforms.
It turns out that, on some browsers, incomplete XML does not properly
parse. This means the parseFirstCue tests did not work on those platforms.
This modifies those tests on platforms that do not support partial XML;
when no support is detected, it instead tries to get the first cue
from a non-partial segment.
This also modifies the HLS parser to only load partial text segments if
the text parser supports it; otherwise, the hls parser will load full
captions in order to extract start times.

b/137945635
Issue #2037

Change-Id: I58112864a818baf155b365a65fba1c8a56eb9520
2019-07-24 11:23:03 -07:00
Theodore Abshire 1e12873fb7 Only parse first cue when getting text start time.
Previously, when the text engine tried to load the start time of
a segment, it would parse every cue in that segment, then check the
time of the first cue. This was judged to not be a significant
performance issue, as parsing cues is a fast operation. However, it
did have an unintended side-effect: in some situations, this method
was being passed partial segments; notably, the HLS parser would load
the first 2048kb of the stream's texts to extract timing data.
If the caption parsers tried to actually parse an incomplete caption,
they would error.
This gives the text parsers "parseFirstCue" methods, and uses those
methods when it only needs the first cue anyway.

Fixes #2037

Change-Id: I2a1fb2f1a96d98967f0c6e6a5c277914a28b42ad
2019-07-17 21:27:32 +00:00
Jacob Trimble 5c35108cb8 Avoid integer for loops.
Issue #1518

Change-Id: I3ba3cb6a439264e823022b2a64e7cdbd265494c7
2019-07-09 17:11:49 +00:00
Jacob Trimble 010a60b8f1 Use objectContaining in text tests.
Instead of checking each property separately, just use
jasmine.objectContaining.  This also adds a utility for matching a
number that is close to an expected value.  This is required when
matching objects with toEqual().

Change-Id: I4de49cfaf254e0752beffc97c578a77f9ec8ee95
2019-06-26 18:54:13 +00:00
Jacob Trimble e2ba179201 Favor using toHaveBeenCalledTimes.
This gives better error messages than using toBe() or toEqual() with
the number of calls.

Change-Id: Ice353f1ebcc715da69416da2d983e919597f82d1
2019-06-26 18:52:36 +00:00
Theodore Abshire b805d15444 Convert externs to ES6.
Issue #1157

Change-Id: Ib8ddecc7106fea8c24c10cfac406c4709a3f275b
2019-06-10 17:52:08 +00:00
Jacob Trimble a69047ba0d Convert text tests to ES6.
Issue #1157

Change-Id: I839d4ab38324a2247bb3c788837a16652d401595
2019-05-21 22:56:34 +00:00
Jacob Trimble a3be4d837d Don't create spies in beforeAll.
Creating them in beforeAll will usually cause test contamination, so
they should be created in beforeEach instead so they are reset for
each test.

Change-Id: I51f11de85555cbf5b8c18969eabeecbe8617b8f3
2019-05-16 22:45:52 +00:00
Jacob Trimble f130dffcef Enable eslint indentation rule.
This is a fully automated change.  The linter will fail because the
extra indentation caused line-length errors.  These won't be fixed
automatically.  They are fixed in a follow-up to make this one fully
automated.

Change-Id: I4d8cf9c998985add2bcd24a81c8d65495668c4f3
2019-05-13 22:31:09 +00:00
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
Michelle Zhuo 1f324e27e7 Separate text direction and writingMode
CSS style 'direction' supports only horizontal directions, (left to
right, right to left), and writing-mode supports horizontal top to
bottom, vertical left to right, vertical left to right.
Separating the field 'writingDirection' to two fields 'direction'
and 'writingMode', so that they're the same as the css style names.

Issue #1708

Change-Id: Ie730bd7d13e5483d7425261854c268cd7f095400
2019-01-11 00:40:27 +00:00
Joey Parrish fd0449d8f7 Re-enable some disabled style rules
This re-enables the following style rules:
  - "block-spacing"
  - "brace-style"
  - "comma-dangle"
  - "comma-spacing"
  - "new-cap"
  - "no-multi-spaces"
  - "no-multiple-empty-lines"
  - "one-var"
  - "padded-blocks"
  - "prefer-rest-params"

Change-Id: I15d616e8d5b88b273ded6128b4f9ad86bdb26bd1
2018-07-09 19:44:56 +00:00
Sandra Lokshina 8065bd54a8 Change namespace from shakaExterns to shaka.externs
Change-Id: I16432351e2a266aa8fd175669aa27c44bfdffeae
2018-04-11 17:26:26 +00:00
Jacob Trimble 064089152b Remove spacing around object definitions.
This is an automated fix to be inline with Google style guides, this
was created with eslint's --fix option.

Change-Id: I860eecbc8152603e730aa17a1393f16d26b3b6fc
2018-02-21 13:35:00 -08:00
Jacob Trimble 624acc66b8 Add curly braces to all blocks.
Google style guide requires adding curly braces to all block statements
even if it is only has one line.  This fixes it by using eslint's
--fix flag followed by running clang-format to reformat the change.

Change-Id: Idc086c2aa8c02df5ef8b2140a11bfb9128eeb4bd
2018-02-21 11:23:34 -08:00
Jacob Trimble b512db87dd Convert 'var' to 'let'/'const' (8 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: I6a329d28e13a81c9f7136737518c6bb8fa18402e
2018-02-20 11:29:30 -08:00
Sandra Lokshina 118756e8e8 Add parsing of VTTRegions and TTML attributes set in pixels.
Closes #1188

Change-Id: Ib9fc1a5b35065fdadafae01df4737ce1dcfa3ada
2018-02-08 18:19:31 +00:00
Joey Parrish d36168a55f Protect against WebVTT MPEGTS rollover
When the MPEGTS field rolls over in HLS live WebVTT, we need to avoid
our parsed cue timestamps rolling over as well.  To achieve this, we
simply ignore the X-TIMESTAMP-MAP tag once the segment index is built.

Rollover in TS video and audio segments is handled by mux.js already.

Closes #1191

Change-Id: Ie52734509921973ff47517fab34367ec413a6ca6
2018-01-19 21:48:35 +00:00
Joey Parrish 9759eddf54 Ignore style blocks in WebVTT
We do not support CSS embedded in WebVTT at this time.  Instead of
failing to parse the cues, skip the style block.

Closes #1104

Change-Id: I3d500ba11afe43e81bbdef9924e4dd9e05db2b85
2017-12-05 23:31:23 +00:00
Jacob Trimble d125a54656 Use Uint8Arrays in text parsers.
This converts from using ArrayBuffer in the text parsers to using
Uint8Array.  This avoids doing extra buffer copies when using
ArrayBuffer.slice().

Closes #1022

Change-Id: I34a789ec4eb76c95169ba81f27a8433ef25f27f0
2017-10-03 10:36:48 -07:00
Joey Parrish aebb418a44 Fix TextDisplayer check for line and position
If line and position are null, the corresponding VttCue should have
default values.  Before this change, we treated 0 as null, which would
have prevented setting line or position to 0.

Change-Id: I63c3ce301016eb96bf3e6c1299433262c998cdc2
2017-08-07 23:55:20 +00:00
Joey Parrish a7dec51f76 Make VTT settings parser more flexible
We can now accept non-integral values in settings, such as
"position: 100.0%" instead of just "position: 100%".

The regex change is very simple, so we would also accept invalid
settings such as "position: 12.34.56%" or "position: ...%", both
of which would result in NaN in the output.

Issue #919

Change-Id: I0a437322e76e35fe1d2f369b4a3ea87269799431
2017-08-04 21:28:15 +00:00
Sandra Lokshina 2aefcb8eb6 TtmlParser: add support for tts:direction attribute.
Closes #927.

Change-Id: If7394ecbbee861ad5b60c3c2bfd929ecd999db3e
2017-07-31 18:44:15 +00:00
Sandra Lokshina c70367dc97 Separate text parsing and display logic.
Closes #796.
Closes #923.

Change-Id: Ifc2017b40a0fb570103f0fed7bc130aa24819e9f
2017-07-17 21:39:59 +00:00
Jacob Trimble 26bacb1489 Disallow unknown properties (3/5).
This is part of adding a new conformance rule to add additional type
safety.  This will disallow using properties of unknown types or using
unknown properties.

The first parts will be fixing errors caused by the new rule.  These
are backwards compatible, so can be applied before the rule is enabled.
Once all the errors and bugs are fixed, the rule will be enabled.

Change-Id: Ic37437a1ad2305bc50a814cdcc562e74703222ac
2017-07-05 17:47:03 +00:00
Jacob Trimble d8a3d8d2f7 Change jasmine.Spy type definition.
The old definition using a union with a Function causes problems.  The
compiler tends to treat this as an unknown type, so we loose type
safety.  The new types ensure full type safety, at the cost of needing
to "convert" the spy when it is used as a function.

Change-Id: I98ebd9dffd9cb865d0cf5d03db0fb5d6ea001ed3
2017-06-27 12:18:48 -07:00
Sandra Lokshina c6c6d05810 Move text-related files into their own directory.
This change creates a lib/text directory and moves all files
with text-related logic to it. It also lays the ground for
separating text parsing and display logic. (That change will
introduce even more files with text-related logic which will
crowd lib/media directory).

Issue #796.

Change-Id: I65ac134020a0126ff02a8f2067beb73870232e65
2017-06-06 18:21:09 +00:00