tree 0faeba352bf04bdc0a0c67faaf17f0298adb78dc
parent c2c733e21b3df16076d927665c2d769c269a6994
author Qiang Chen <qiangchen@chromium.org> 1547489006 -0800
committer Commit Bot <commit-bot@chromium.org> 1547493836 +0000

Bug Fix: iOS H264 Encoder Crash Issue

When using H264 encoder with profile level 3.1, the encoder may crash.
The reason is that we set the expected frame rate using kVTCompressionPropertyKey_ExpectedFrameRate
to the VideoToolBox. However, by iOS implementation, if our setting violates the sample rate limit
[1], the encoder will crash.

This CL fixes the bug by capping the expected frame rate with max allowed frame rate computed from the sample rate limit.

Change-Id: I090d7be8c20713c6a5a4ec80ed243c8fa7b4aa14
Bug: webrtc:10172
Reviewed-on: https://webrtc-review.googlesource.com/c/116056
Commit-Queue: Qiang Chen <qiangchen@chromium.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26254}