From 85d18d43adc679d8d3160106a918fe05fdbc0755 Mon Sep 17 00:00:00 2001
From: magjed <magjed@webrtc.org>
Date: Fri, 1 Sep 2017 06:32:57 -0700
Subject: [PATCH] ObjC: Add null checks to HW encoder compressionOutputCallback

This will help debugging.

BUG=b/65254613

Review-Url: https://codereview.webrtc.org/3012693002
Cr-Commit-Position: refs/heads/master@{#19640}
---
 .../objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/webrtc/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm b/webrtc/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm
index a410e273cb..0fcefeef02 100644
--- a/webrtc/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm
+++ b/webrtc/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm
@@ -148,8 +148,10 @@ void compressionOutputCallback(void *encoder,
                                OSStatus status,
                                VTEncodeInfoFlags infoFlags,
                                CMSampleBufferRef sampleBuffer) {
+  RTC_CHECK(params);
   std::unique_ptr<RTCFrameEncodeParams> encodeParams(
       reinterpret_cast<RTCFrameEncodeParams *>(params));
+  RTC_CHECK(encodeParams->encoder);
   [encodeParams->encoder frameWasEncoded:status
                                    flags:infoFlags
                             sampleBuffer:sampleBuffer