diff transform/FeatureExtractionModelTransformer.cpp @ 1096:4d9816ba0ebe simple-fft-model

Rework audio file reader API to prefer using std containers

--- a/transform/FeatureExtractionModelTransformer.cpp	Sat Jun 13 08:47:05 2015 +0100
+++ b/transform/FeatureExtractionModelTransformer.cpp	Mon Jun 15 12:19:47 2015 +0100
@@ -787,31 +787,28 @@
 
     if (channelCount == 1) {
 
-        got = input->getData(m_input.getChannel(), startFrame, size,
-                             buffers[0] + offset);
+        auto data = input->getData(m_input.getChannel(), startFrame, size);
+        got = data.size();
+
+        copy(data.begin(), data.end(), buffers[0] + offset);
 
         if (m_input.getChannel() == -1 && input->getChannelCount() > 1) {
             // use mean instead of sum, as plugin input
             float cc = float(input->getChannelCount());
-            for (sv_frame_t i = 0; i < size; ++i) {
+            for (sv_frame_t i = 0; i < got; ++i) {
                 buffers[0][i + offset] /= cc;
             }
         }
 
     } else {
 
-        float **writebuf = buffers;
-        if (offset > 0) {
-            writebuf = new float *[channelCount];
-            for (int i = 0; i < channelCount; ++i) {
-                writebuf[i] = buffers[i] + offset;
+        auto data = input->getMultiChannelData(0, channelCount-1, startFrame, size);
+        if (!data.empty()) {
+            got = data[0].size();
+            for (int c = 0; in_range_for(data, c); ++c) {
+                copy(data[c].begin(), data[c].end(), buffers[c] + offset);
             }
         }
-
-        got = input->getMultiChannelData
-            (0, channelCount-1, startFrame, size, writebuf);
-
-        if (writebuf != buffers) delete[] writebuf;
     }
 
     while (got < size) {