| Index: webrtc/voice_engine/transmit_mixer.cc | 
| diff --git a/webrtc/voice_engine/transmit_mixer.cc b/webrtc/voice_engine/transmit_mixer.cc | 
| index e14b03f6d3c196ac47873e3d72c2d115046e6635..6796f8457c5e5b3060920c6be9995b8f739612b2 100644 | 
| --- a/webrtc/voice_engine/transmit_mixer.cc | 
| +++ b/webrtc/voice_engine/transmit_mixer.cc | 
| @@ -936,7 +936,7 @@ int32_t TransmitMixer::MixOrReplaceAudioWithFile( | 
| { | 
| // Currently file stream is always mono. | 
| // TODO(xians): Change the code when FilePlayer supports real stereo. | 
| -        MixWithSat(_audioFrame.data_, | 
| +        MixWithSat(_audioFrame.mutable_data(), | 
| _audioFrame.num_channels_, | 
| fileBuffer.get(), | 
| 1, | 
|  |