Make Android min-resolution rotation-agnostic.

webrtc/api/java/jni/androidmediaencoder_jni.cc

Index: webrtc/api/java/jni/androidmediaencoder_jni.cc
diff --git a/webrtc/api/java/jni/androidmediaencoder_jni.cc b/webrtc/api/java/jni/androidmediaencoder_jni.cc
index 937aef8349063d70e3e8d57c61c6e30de20fdf1d..b46d82ecd719c3927eb24b17626a714faf2daa4e 100644
--- a/webrtc/api/java/jni/androidmediaencoder_jni.cc
+++ b/webrtc/api/java/jni/androidmediaencoder_jni.cc
@@ -354,8 +354,7 @@ int32_t MediaCodecVideoEncoder::InitEncode(
     const webrtc::VideoCodec* codec_settings,
     int32_t /* number_of_cores */,
     size_t /* max_payload_size */) {
-  const int kMinWidth = 320;
-  const int kMinHeight = 180;
+  const int kMinDimension = 180;
   if (codec_settings == NULL) {
     ALOGE << "NULL VideoCodec instance";
     return WEBRTC_VIDEO_CODEC_ERR_PARAMETER;
@@ -398,11 +397,11 @@ int32_t MediaCodecVideoEncoder::InitEncode(
       RTC_NOTREACHED() << "Unsupported codec without configured QP thresholds.";
       scale_ = false;
     }
-    quality_scaler_.SetMinResolution(kMinWidth, kMinHeight);
+    quality_scaler_.SetMinResolution(kMinDimension, kMinDimension);
     quality_scaler_.ReportFramerate(codec_settings->maxFramerate);
     QualityScaler::Resolution res = quality_scaler_.GetScaledResolution();
-    init_width = std::max(res.width, kMinWidth);
-    init_height = std::max(res.height, kMinHeight);
+    init_width = std::max(res.width, kMinDimension);
+    init_height = std::max(res.height, kMinDimension);
     ALOGD << "Scaled resolution: " << init_width << " x " << init_height;
   }