Bug fix: camera frames are dropped before wideo encoder.

talk/app/webrtc/java/jni/androidmediaencoder_jni.cc

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 283 matching lines @@
   // Factory should guard against other codecs being used with us.
   CHECK(codec_settings->codecType == codecType_) << "Unsupported codec " <<
       codec_settings->codecType << " for " << codecType_;
 
   ALOGD("InitEncode request");
   scale_ = false;
   if (scale_ && codecType_ == kVideoCodecVP8) {
     quality_scaler_->Init(kMaxQP / kLowQpThresholdDenominator, true);
     quality_scaler_->SetMinResolution(kMinWidth, kMinHeight);
     quality_scaler_->ReportFramerate(codec_settings->maxFramerate);
+    updated_framerate_ = codec_settings->maxFramerate;
+  } else {
+    updated_framerate_ = -1;
   }
-  updated_framerate_ = codec_settings->maxFramerate;
   return codec_thread_->Invoke<int32_t>(
       Bind(&MediaCodecVideoEncoder::InitEncodeOnCodecThread,
            this,
            codec_settings->width,
            codec_settings->height,
            codec_settings->startBitrate,
            codec_settings->maxFramerate));
 }
 
 int32_t MediaCodecVideoEncoder::Encode(
@@ skipping 20 matching lines @@
 
 int32_t MediaCodecVideoEncoder::SetChannelParameters(uint32_t /* packet_loss */,
                                                      int64_t /* rtt */) {
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t MediaCodecVideoEncoder::SetRates(uint32_t new_bit_rate,
                                          uint32_t frame_rate) {
   if (scale_ && codecType_ == kVideoCodecVP8) {
     quality_scaler_->ReportFramerate(frame_rate);
-  } else {
-    updated_framerate_ = frame_rate;
   }
   return codec_thread_->Invoke<int32_t>(
       Bind(&MediaCodecVideoEncoder::SetRatesOnCodecThread,
            this,
            new_bit_rate,
            frame_rate));
 }
 
 void MediaCodecVideoEncoder::OnMessage(rtc::Message* msg) {
   JNIEnv* jni = AttachCurrentThreadIfNeeded();
@@ skipping 571 matching lines @@
 }
 
 void MediaCodecVideoEncoderFactory::DestroyVideoEncoder(
     webrtc::VideoEncoder* encoder) {
   ALOGD("Destroy video encoder.");
   delete encoder;
 }
 
 }  // namespace webrtc_jni