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* Handle color description in the header
* Allow setting color description via CLI

Add the missing Color config semantics enums

They match ISO/IEC 23091-4/ITU-T H.273.

* Move use statements to the heads of their modules
* Split local and external module use statements
* Reorder use statements alphabetically by module name

Helped-by: Henrik Gramner <gramner@twoorioles.com>

Raphaël Zumer authored Dec 05, 2018 and Thomas Daede committed Dec 05, 2018

Fixes an unused macro warning.

Support all chroma sampling formats.

Raphaël Zumer authored Dec 05, 2018 and Thomas Daede committed Dec 05, 2018

Remove "-- --ignored" from decode test command line.

That is, with Block::W stride rather than fixed 32 stride.

* Remove redundant comments

* Replace assert!(false) with unimplemented!()

Josh Holmer authored Nov 30, 2018 and Thomas Daede committed Dec 03, 2018

Moves the key frame props and inter frame props setup to be static
initializers on FrameInvariants, which is more cohesive. This also
prepares for the potential addition of a lookahead capability.

Number of columns sholud be used.

Josh Holmer authored Nov 27, 2018 and Thomas Daede committed Nov 28, 2018

When enabled via --psnr flat, will output planar and average PSNR for
the video at the end. In verbose mode, will output planar PSNR for each frame.

Closes #672

Josh Holmer authored Nov 12, 2018 and Thomas Daede committed Nov 26, 2018

Detects the level of difference between the current frame and the
previous frame, and if the difference is above a preset threshold,
encodes the current frame as a keyframe.

Introduces a new CLI option, --max-keyint (-i), to set the maximum
interval between two keyframes. Reuses the existing --keyint (-I) option
as the minimum interval between two keyframes. Sets the default minimum
to be 12 frames. To disable scenechange detection, set the max and min
to be equal via the CLI.

Change the default key frame interval from 30 to 240

For the test set vc-360p-1
master_gop_size_30@2018-11-26T21:44:33.537Z -> master_gop_size_240@2018-11-26T19:54:21.900Z

    PSNR |  PSNR Cb |  PSNR Cr | PSNR HVS |     SSIM |  MS SSIM | CIEDE 2000
-24.0682 | -17.4493 | -17.5778 | -24.1882 | -24.5156 | -24.3186 |   -21.7343

The return type of process_frame() has changed from
Option<FrameSummary> to Vec<FrameSummary> in commit
84f61fa4.

Adapt usage for rav1repl accordingly.

The return type of parse_cli() has changed from tuple to struct
CliOptions in 714c5ca7.

Adapt usage for rav1repl accordingly.