media/libraries/common
ibaker 885ddb167e Add general-purpose overflow-resistant divide+multiply util method
This is equivalent to the existing `scaleLargeTimestamp` method with the
following changes/improvements:
* No longer specific to timestamps (there was nothing inherently
  time-specific about the logic in `scaleLargeTimestamp`, but the name
  and docs suggested it shouldn't be used for non-timestamp use-cases).
* Additional 'perfect division' checks between `value` and `divisor`.
* The caller can now provide a `RoundingMode`.
* Robust against `multiplier == 0`.
* Some extra branches before falling through to (potentially lossy)
  floating-point math, including trying to simplify the fraction with
  greatest common divisor to reduce the chance of overflowing `long`.

This was discussed during review of 6e91f0d4c5

This change also includes some golden test file updates - these
represent a bug fix where floating-point maths had previously resulted
in a timestamp being incorrectly rounded down to the previous
microsecond. These changes are due to the 'some more branches' mentioned
above.

PiperOrigin-RevId: 564760748
2023-09-12 10:22:57 -07:00
..
src Add general-purpose overflow-resistant divide+multiply util method 2023-09-12 10:22:57 -07:00
build.gradle Replace deprecated NullableType from checkerframework with our own one 2023-06-19 16:08:20 +01:00
lint-baseline.xml Add lint base to make gradle lint run without errors 2022-06-15 15:27:34 +00:00
proguard-rules.txt Update to androidx.media3 2021-10-27 09:12:46 +01:00
README.md Fix javadoc links in media README files 2023-03-30 17:26:40 +00:00

Common module

Provides common code and utilities used by other media modules. Application code will not normally need to depend on this module directly.