[Scummvm-cvs-logs] SF.net SVN: scummvm:[47853] scummvm/trunk/test/sound/raw.h

[lordhoto at users.sourceforge.net]

Revision: 47853
          http://scummvm.svn.sourceforge.net/scummvm/?rev=47853&view=rev
Author:   lordhoto
Date:     2010-02-03 15:24:24 +0000 (Wed, 03 Feb 2010)

Log Message:
-----------
Test both BE and LE 16bit samples.

Modified Paths:
--------------
    scummvm/trunk/test/sound/raw.h

Modified: scummvm/trunk/test/sound/raw.h
===================================================================
--- scummvm/trunk/test/sound/raw.h	2010-02-03 15:24:03 UTC (rev 47852)
+++ scummvm/trunk/test/sound/raw.h	2010-02-03 15:24:24 UTC (rev 47853)
@@ -20,21 +20,14 @@
 		for (int i = 0; i < time * sampleRate; ++i)
 			sine[i] = (T)(sin((double)i / sampleRate * 2 * PI) * maxValue);
 
-		// Convert to BE
-		if (sizeof(T) == 2) {
-			for (int i = 0; i < time * sampleRate; ++i)
-				WRITE_BE_UINT16(&sine[i], sine[i]);
-		}
-
 		return sine;
 	}
 
-	template<typename T>
-	static Audio::SeekableAudioStream *createSineStream(int sampleRate, int time, const T **sineP) {
-		T *sine = createSine<T>(sampleRate, time);
+	static Audio::SeekableAudioStream *createSineStream8Bit(int sampleRate, int time, const int8 **sineP) {
+		int8 *sine = createSine<int8>(sampleRate, time);
 
-		Common::SeekableReadStream *sD = new Common::MemoryReadStream((const byte *)sine, sizeof(T) * sampleRate * time, DisposeAfterUse::YES);
-		Audio::SeekableAudioStream *s = Audio::makeRawStream(sD, sampleRate, (sizeof(T) == 2) ? Audio::FLAG_16BITS : 0);
+		Common::SeekableReadStream *sD = new Common::MemoryReadStream((const byte *)sine, sampleRate * time, DisposeAfterUse::YES);
+		Audio::SeekableAudioStream *s = Audio::makeRawStream(sD, sampleRate, 0);
 
 		if (sineP)
 			*sineP = sine;
@@ -42,12 +35,32 @@
 		return s;
 	}
 
+	static Audio::SeekableAudioStream *createSineStream16Bit(int sampleRate, int time, bool le, const int16 **sineP) {
+		int16 *sine = createSine<int16>(sampleRate, time);
+
+		if (le) {
+			for (int i = 0; i < sampleRate * time; ++i)
+				WRITE_LE_UINT16(&sine[i], sine[i]);
+		} else {
+			for (int i = 0; i < sampleRate * time; ++i)
+				WRITE_BE_UINT16(&sine[i], sine[i]);
+		}
+
+		Common::SeekableReadStream *sD = new Common::MemoryReadStream((const byte *)sine, sizeof(int16) * sampleRate * time, DisposeAfterUse::YES);
+		Audio::SeekableAudioStream *s = Audio::makeRawStream(sD, sampleRate, Audio::FLAG_16BITS | (le ? Audio::FLAG_LITTLE_ENDIAN : 0));
+
+		if (sineP)
+			*sineP = sine;
+
+		return s;
+	}
+
 	void test_read_buffer_8_bit_mono() {
 		const int sampleRate = 11025;
 		const int time = 2;
 
-		const int8 *sine = 0;
-		Audio::SeekableAudioStream *s = createSineStream<int8>(sampleRate, time, &sine);
+		const int8 *sine;
+		Audio::SeekableAudioStream *s = createSineStream8Bit(sampleRate, time, &sine);
 
 		int16 *buffer = new int16[sampleRate * time];
 		TS_ASSERT_EQUALS(s->readBuffer(buffer, sampleRate * time), sampleRate * time);
@@ -66,7 +79,7 @@
 		const int time = 2;
 
 		const int16 *sine = 0;
-		Audio::SeekableAudioStream *s = createSineStream<int16>(sampleRate, time, &sine);
+		Audio::SeekableAudioStream *s = createSineStream16Bit(sampleRate, time, false, &sine);
 
 		int16 *buffer = new int16[sampleRate * time];
 		TS_ASSERT_EQUALS(s->readBuffer(buffer, sampleRate * time), sampleRate * time);
@@ -79,4 +92,23 @@
 		delete[] buffer;
 		delete s;
 	}
+
+	void test_read_buffer_16_bit_le_mono() {
+		const int sampleRate = 11025;
+		const int time = 2;
+
+		const int16 *sine = 0;
+		Audio::SeekableAudioStream *s = createSineStream16Bit(sampleRate, time, true, &sine);
+
+		int16 *buffer = new int16[sampleRate * time];
+		TS_ASSERT_EQUALS(s->readBuffer(buffer, sampleRate * time), sampleRate * time);
+
+		for (int i = 0; i < sampleRate * time; ++i)
+			TS_ASSERT_EQUALS(buffer[i], (int16)READ_LE_UINT16(&sine[i]));
+
+		TS_ASSERT_EQUALS(s->endOfData(), true);
+
+		delete[] buffer;
+		delete s;
+	}
 };


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