v114.5

* improved appended firmware detection [devinacker]
* added dynamic rate control support to ALSA and PulseAudio drivers [RedDwarf]
* added option to use native file dialogs

nall/encode/wav.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+namespace nall::Encode {
+
+struct WAV {
+  static auto stereo_16bit(const string& filename, array_view<int16_t> left, array_view<int16_t> right, uint frequency) -> bool {
+    if(left.size() != right.size()) return false;
+    static uint channels = 2;
+    static uint bits = 16;
+    static uint samples = left.size();
+
+    file_buffer fp;
+    if(!fp.open(filename, file::mode::write)) return false;
+
+    fp.write('R');
+    fp.write('I');
+    fp.write('F');
+    fp.write('F');
+    fp.writel(4 + (8 + 16) + (8 + samples * 4), 4);
+
+    fp.write('W');
+    fp.write('A');
+    fp.write('V');
+    fp.write('E');
+
+    fp.write('f');
+    fp.write('m');
+    fp.write('t');
+    fp.write(' ');
+    fp.writel(16, 4);
+    fp.writel(1, 2);
+    fp.writel(channels, 2);
+    fp.writel(frequency, 4);
+    fp.writel(frequency * channels * bits, 4);
+    fp.writel(channels * bits, 2);
+    fp.writel(bits, 2);
+
+    fp.write('d');
+    fp.write('a');
+    fp.write('t');
+    fp.write('a');
+    fp.writel(samples * 4, 4);
+    for(uint sample : range(samples)) {
+      fp.writel(left[sample], 2);
+      fp.writel(right[sample], 2);
+    }
+
+    return true;
+  }
+};
+
+}