tree bda698a5aaf37ea102ef1eaa3f43d7d96b40133e
parent 0e9556a90cec52c2375c9250269f3abc21e8ca0c
author Jianhui Dai <jianhui.j.dai@intel.com> 1689109089 +0800
committer WebRTC LUCI CQ <webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com> 1689208938 +0000

Implement `Y4mFrameGenerator::ChangeResolution()`

This CL implements `ChangeResolution()` to let `Y4mFrameGenerator`
generate I420 frame with resolution other than y4m input by scaling. The
code is mostly copied from `IvfVideoFrameGenerator`.

The test case is also added for this change.

Bug: webrtc:15210
Change-Id: I690e427a545a72d93ed39b77fd0f602054a30508
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/311521
Commit-Queue: Jianhui J Dai <jianhui.j.dai@intel.com>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40426}