1 files changed, 134 insertions, 0 deletions
diff --git a/Source/Core/AudioCommon/Src/WaveFile.cpp b/Source/Core/AudioCommon/Src/WaveFile.cpp
new file mode 100644
index 0000000000..500cce8fbc
--- /dev/null
+++ b/Source/Core/AudioCommon/Src/WaveFile.cpp
@@ -0,0 +1,134 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "Common.h"
+#include "WaveFile.h"
+
+enum {BUF_SIZE = 32*1024};
+
+WaveFileWriter::WaveFileWriter()
+{
+	conv_buffer = 0;
+	skip_silence = false;
+}
+
+WaveFileWriter::~WaveFileWriter()
+{
+	delete [] conv_buffer;
+	Stop();
+}
+
+bool WaveFileWriter::Start(const char *filename)
+{
+	if (!conv_buffer)
+		conv_buffer = new short[BUF_SIZE];
+
+	// Check if the file is already open
+	if (file)
+	{
+		PanicAlert("The file %s was alrady open, the file header will not be written.", filename);
+		return false;
+	}
+
+	file = fopen(filename, "wb");
+	if (!file)
+	{
+		PanicAlert("The file %s could not be opened for writing. Please check if it's already opened by another program.", filename);
+		return false;
+	}
+
+	// ---------------------------------------------------------
+	// Write file header
+	// ---------------
+	Write4("RIFF");
+	Write(100 * 1000 * 1000);  // write big value in case the file gets truncated
+	Write4("WAVE");
+	Write4("fmt ");
+	Write(16);  // size of fmt block
+	Write(0x00020001); //two channels, uncompressed
+	//const u32 sample_rate = 32000;
+	const u32 sample_rate = 48000;
+	Write(sample_rate);
+	Write(sample_rate * 2 * 2); //two channels, 16bit
+	Write(0x00100004);
+	Write4("data");
+	Write(100 * 1000 * 1000 - 32);
+	// We are now at offset 44
+	if (ftell(file) != 44)
+		PanicAlert("wrong offset: %i", ftell(file));
+	// ---------------------------
+
+	return true;
+}
+
+void WaveFileWriter::Stop()
+{
+	if (!file)
+		return;
+        //	u32 file_size = (u32)ftell(file);
+	fseek(file, 4, SEEK_SET);
+	Write(audio_size + 36);
+	fseek(file, 40, SEEK_SET);
+	Write(audio_size);
+	fclose(file);
+	file = 0;
+}
+
+void WaveFileWriter::Write(u32 value)
+{
+	fwrite(&value, 4, 1, file);
+}
+
+void WaveFileWriter::Write4(const char *ptr)
+{
+	fwrite(ptr, 4, 1, file);
+}
+
+void WaveFileWriter::AddStereoSamples(const short *sample_data, int count)
+{
+	if (!file)
+		PanicAlert("WaveFileWriter - file not open.");
+	if (skip_silence) {
+		bool all_zero = true;
+		for (int i = 0; i < count * 2; i++)
+			if (sample_data[i]) all_zero = false;
+		if (all_zero) return;
+	}
+	fwrite(sample_data, count * 4, 1, file);
+	audio_size += count * 4;
+}
+
+void WaveFileWriter::AddStereoSamplesBE(const short *sample_data, int count)
+{
+	if (!file)
+		PanicAlert("WaveFileWriter - file not open.");
+	if (count > BUF_SIZE * 2)
+		PanicAlert("WaveFileWriter - buffer too small (count = %i).", count);
+	if (skip_silence) {
+		bool all_zero = true;
+		for (int i = 0; i < count * 2; i++)
+			if (sample_data[i])
+				all_zero = false;
+		if (all_zero)
+			return;
+	}
+	for (int i = 0; i < count * 2; i++) {
+		conv_buffer[i] = Common::swap16((u16)sample_data[i]);
+	}
+	fwrite(conv_buffer, count * 4, 1, file);
+	audio_size += count * 4;
+}