[Scummvm-cvs-logs] SF.net SVN: scummvm:[48017] scummvm/trunk/test/sound/audiostream.h
lordhoto at users.sourceforge.net
lordhoto at users.sourceforge.net
Tue Feb 9 22:51:29 CET 2010
Revision: 48017
http://scummvm.svn.sourceforge.net/scummvm/?rev=48017&view=rev
Author: lordhoto
Date: 2010-02-09 21:51:28 +0000 (Tue, 09 Feb 2010)
Log Message:
-----------
Add unit test for SubLoopingAudioStream. (Currently they fail though :-/)
Modified Paths:
--------------
scummvm/trunk/test/sound/audiostream.h
Modified: scummvm/trunk/test/sound/audiostream.h
===================================================================
--- scummvm/trunk/test/sound/audiostream.h 2010-02-09 21:09:29 UTC (rev 48016)
+++ scummvm/trunk/test/sound/audiostream.h 2010-02-09 21:51:28 UTC (rev 48017)
@@ -108,5 +108,65 @@
void test_looping_audio_stream_stereo_fixed_iter() {
testLoopingAudioStreamFixedIter(22050, true);
}
+
+private:
+ void testSubLoopingAudioStreamFixedIter(const int sampleRate, const bool isStereo) {
+ const int secondLength = sampleRate * (isStereo ? 2 : 1);
+ const Audio::Timestamp loopStart(500, 1000), loopEnd(1000, 1000);
+ const int32 loopOffset = Audio::convertTimeToStreamPos(loopStart, sampleRate, isStereo).totalNumberOfFrames();
+ const int32 loopIteration = Audio::convertTimeToStreamPos((loopEnd - loopStart), sampleRate, isStereo).totalNumberOfFrames();
+
+ int16 *sine = 0;
+ Audio::SeekableAudioStream *s = createSineStream<int16>(sampleRate, 3, &sine, false, isStereo);
+ Audio::SubLoopingAudioStream *loop = new Audio::SubLoopingAudioStream(s, 5, loopStart, loopEnd);
+
+ int16 *buffer = new int16[secondLength * 2];
+
+ // Check parameters
+ TS_ASSERT_EQUALS(loop->isStereo(), isStereo);
+ TS_ASSERT_EQUALS(loop->getRate(), sampleRate);
+ TS_ASSERT_EQUALS(loop->endOfData(), false);
+
+ // Read one sceond (this is the non-looped part + one iteration)
+ TS_ASSERT_EQUALS(loop->readBuffer(buffer, secondLength), secondLength);
+ TS_ASSERT_EQUALS(memcmp(buffer, sine, secondLength * sizeof(int16)), 0);
+ TS_ASSERT_EQUALS(loop->endOfData(), false);
+
+ // We should have one full iteration now
+
+ // Read another loop iteration
+ TS_ASSERT_EQUALS(loop->readBuffer(buffer, loopIteration), loopIteration);
+ TS_ASSERT_EQUALS(memcmp(buffer, sine + loopOffset, loopIteration * sizeof(int16)), 0);
+ TS_ASSERT_EQUALS(loop->endOfData(), false);
+
+ // We should have two full iterations now
+
+ // Read three loop iterations at once
+ TS_ASSERT_EQUALS(loop->readBuffer(buffer, loopIteration * 3), loopIteration * 3);
+ TS_ASSERT_EQUALS(memcmp(buffer + loopIteration * 0, sine + loopOffset, loopIteration * sizeof(int16)), 0);
+ TS_ASSERT_EQUALS(memcmp(buffer + loopIteration * 1, sine + loopOffset, loopIteration * sizeof(int16)), 0);
+ TS_ASSERT_EQUALS(memcmp(buffer + loopIteration * 2, sine + loopOffset, loopIteration * sizeof(int16)), 0);
+ TS_ASSERT_EQUALS(loop->endOfData(), true);
+
+ // We should have five full iterations now, thus the stream should be done
+
+ // Try to read beyond the end of the stream (note this only applies, till we define that SubLoopingAudioStream should
+ // stop playing after the looped area).
+ TS_ASSERT_EQUALS(loop->readBuffer(buffer, secondLength), 0);
+ TS_ASSERT_EQUALS(loop->endOfData(), true);
+
+ delete[] buffer;
+ delete loop;
+ delete[] sine;
+ }
+
+public:
+ void test_sub_looping_audio_stream_mono_fixed_iter() {
+ testSubLoopingAudioStreamFixedIter(22050, false);
+ }
+
+ void test_sub_looping_audio_stream_stereo_fixed_iter() {
+ testSubLoopingAudioStreamFixedIter(22050, true);
+ }
};
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