fix a few bugs related to frame size.

paddle/gserver/layers/DataLayer.cpp

@@ -54,7 +54,7 @@ void DataLayer::copyDataToOutput(Argument& output) {
     output.setFrameWidth(config_.width());
   } else {
     output.setFrameHeight(data_.getFrameHeight());
-    output.setFrameHeight(data_.getFrameHeight());
+    output.setFrameWidth(data_.getFrameWidth());
   }
   output.cpuSequenceDims = data_.cpuSequenceDims;
   output.sequenceStartPositions = data_.sequenceStartPositions;

paddle/parameter/Argument.cpp

@@ -245,6 +245,8 @@ int32_t Argument::resizeAndCopyFrom(const Argument& src,
                                     bool useGpu,
                                     hl_stream_t stream) {
   dataId = src.dataId;
+  frameWidth = src.frameWidth;
+  frameHeight = src.frameHeight;
 
   if (!src.sequenceStartPositions) {
     // non-sequence input, copy samples directly

proto/ModelConfig.proto

@@ -245,7 +245,7 @@ message ImageConfig {
 
   // The size of input feature map.
   required uint32 img_size = 8;
-  required uint32 img_size_y = 9;
+  optional uint32 img_size_y = 9;
 }
 
 message LayerInputConfig {