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better mono support

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This commit is contained in:
Glenn Maynard
2006-11-26 00:45:39 +00:00
parent d47dd57718
commit c428829068
1 changed files with 20 additions and 32 deletions
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stepmania/src/tests/test_audio_readers.cpp
+20 -32
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@@ -15,25 +15,12 @@
void ReadData( SoundReader *snd,
int ms, /* start */
char *buf, /* out */
int bytes )
int frames )
{
if( ms != -1 )
snd->SetPosition_Accurate( ms );
if( snd->GetNumChannels() == 1 )
bytes /= 2;
int bytes = frames*snd->GetNumChannels()*sizeof(int16_t);
int got = snd->Read( buf, bytes );
if( got != -1 && snd->GetNumChannels() == 1 )
{
int16_t *pTemp = (int16_t *) alloca( got );
memcpy( pTemp, buf, got );
for( int i = 0; i < got/2; ++i )
{
int16_t *p = (int16_t *) buf;
p[i*2+0] = pTemp[i];
p[i*2+1] = pTemp[i];
}
}
ASSERT_M( got == bytes, ssprintf("%i, %i", got, bytes) );
}
@@ -150,11 +137,12 @@ bool compare_buffers( const int16_t *expect, const int16_t *got, int frames, int
bool test_read( SoundReader *snd, const char *expected_data, int bytes )
bool test_read( SoundReader *snd, const char *expected_data, int frames )
{
bytes = (bytes/4) * 4;
int bytes = frames * snd->GetNumChannels() * sizeof(int16_t);
char buf[bytes];
ReadData( snd, -1, buf, bytes );
int got = snd->Read( buf, bytes );
ASSERT( got == bytes );
//compare_buffers( (const int16_t *) expected_data,
// (const int16_t *) buf,
@@ -210,8 +198,8 @@ SoundReader *ApplyFilters( SoundReader *s, int filters )
bool CheckSetPositionAccurate( SoundReader *snd )
{
const int one_second=snd->GetSampleRate()*2*2;
char data[one_second];
const int one_second=snd->GetSampleRate();
char data[one_second*sizeof(int16_t)*snd->GetNumChannels()];
snd->SetPosition_Accurate( 100 );
ReadData( snd, 100, data, one_second/10 );
@@ -227,12 +215,12 @@ bool CheckSetPositionAccurate( SoundReader *snd )
return true;
}
int FramesOfSilence( const int16_t *data, int frames )
int FramesOfSilence( const int16_t *data, int frames, int iChannels )
{
int SilentFrames = 0;
while( SilentFrames < frames )
{
for( int c = 0; c < 2; ++c )
for( int c = 0; c < iChannels; ++c )
if( *data++ )
return SilentFrames;
++SilentFrames;
@@ -314,17 +302,17 @@ bool RunTests( SoundReader *snd, const TestFile &tf )
/* Read the first second of the file. Do this without calling any
* seek functions. */
const int one_second_frames = snd->GetSampleRate();
const int one_second=one_second_frames*sizeof(int16_t)*2;
int16_t sdata[one_second_frames*2];
const int one_second=one_second_frames*snd->GetNumChannels()*sizeof(int16_t);
int16_t sdata[one_second_frames*snd->GetNumChannels()];
char *data = (char *) sdata;
memset( data, 0x42, one_second );
ReadData( snd, -1, data, one_second );
ReadData( snd, -1, data, one_second_frames );
{
/* Find out how many frames of silence we have. */
int SilentFrames = FramesOfSilence( sdata, one_second_frames );
int SilentFrames = FramesOfSilence( sdata, one_second_frames, snd->GetNumChannels() );
const int16_t *InitialData = sdata + SilentFrames*2;
const int16_t *InitialData = sdata + SilentFrames*snd->GetNumChannels();
const int InitialDataSize = one_second_frames - SilentFrames;
if( InitialDataSize < (int) sizeof(tf.initial) )
@@ -356,7 +344,7 @@ bool RunTests( SoundReader *snd, const TestFile &tf )
}
const int LaterOffsetFrames = one_second_frames/2; /* half second */
const int LaterOffsetSamples = LaterOffsetFrames * channels;
const int LaterOffsetSamples = LaterOffsetFrames * snd->GetNumChannels();
const int16_t *LaterData = sdata + LaterOffsetSamples;
Identical = !memcmp( LaterData, tf.later, sizeof(tf.later) );
if( !Identical )
@@ -427,7 +415,7 @@ bool RunTests( SoundReader *snd, const TestFile &tf )
/* SetPosition_Accurate(0) must always reset properly. */
snd->SetPosition_Accurate( 0 );
if( !test_read( snd, data, one_second ) )
if( !test_read( snd, data, one_second_frames ) )
{
LOG->Warn("Fail: SetPosition_Accurate(0) didn't work");
return false;
@@ -435,7 +423,7 @@ bool RunTests( SoundReader *snd, const TestFile &tf )
/* SetPosition_Fast(0) must always reset properly. */
snd->SetPosition_Fast( 0 );
if( !test_read( snd, data, one_second ) )
if( !test_read( snd, data, one_second_frames ) )
{
LOG->Warn("Fail: SetPosition_Fast(0) didn't work");
return false;
@@ -471,12 +459,12 @@ bool RunTests( SoundReader *snd, const TestFile &tf )
/* Seek to 1ms and make sure it gives us the correct data. */
snd->SetPosition_Accurate( 1 );
if( !test_read( snd, data + one_second * 1/1000, one_second * 1/1000 ) )
if( !test_read( snd, data + one_second * 1/1000, one_second_frames * 1/1000 ) )
LOG->Warn("Fail: SetPosition_Accurate(1) didn't work");
/* Seek to 500ms and make sure it gives us the correct data. */
snd->SetPosition_Accurate( 500 );
if( !test_read( snd, data+one_second * 500/1000, one_second * 500/1000 ) )
if( !test_read( snd, data+one_second * 500/1000, one_second_frames * 500/1000 ) )
LOG->Warn("Fail: seek(500) didn't work");
return true;