tree e8a299265e919e9cb8803a75f5cbb4a93cbf60ff
parent d74c56fcd025ba104489995cfe5ffe36922062f7
author Rasmus Brandt <brandtr@webrtc.org> 1579611251 +0100
committer Commit Bot <commit-bot@chromium.org> 1579613888 +0000

Enforce VideoEncoderConfig.num_temporal_layers >= 1.

This change clarifies the semantics of this field:
  unset: Depends on context.
  == 0: Invalid.
  == 1: No temporal layering.
  >= 2: Temporal layering.

We should try to remove the wrapping optional later.

Bug: webrtc:11297
Change-Id: Id765f2dc1d31a4ba3cd424978ac6054cd60152ea
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/166528
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30336}