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introduced engine-technology

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git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@81 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Tobias Doerffel
2006-02-10 10:48:27 +00:00
parent 94d5107450
commit 5fd05b16e4
130 changed files with 2528 additions and 1260 deletions
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23
src/lib/sample_buffer.cpp
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@@ -100,9 +100,10 @@
sampleBuffer::sampleBuffer( const QString & _audio_file,
sampleBuffer::sampleBuffer( engine * _engine, const QString & _audio_file,
bool _is_base64_data ) :
QObject(),
engineObject( _engine ),
m_audioFile( ( _is_base64_data == TRUE ) ? "" : _audio_file ),
m_origData( NULL ),
m_origFrames( 0 ),
@@ -131,8 +132,10 @@ sampleBuffer::sampleBuffer( const QString & _audio_file,
sampleBuffer::sampleBuffer( const sampleFrame * _data, const f_cnt_t _frames ) :
sampleBuffer::sampleBuffer( const sampleFrame * _data, const f_cnt_t _frames,
engine * _engine ) :
QObject(),
engineObject( _engine ),
m_audioFile( "" ),
m_origData( NULL ),
m_origFrames( 0 ),
@@ -160,8 +163,9 @@ sampleBuffer::sampleBuffer( const sampleFrame * _data, const f_cnt_t _frames ) :
sampleBuffer::sampleBuffer( const f_cnt_t _frames ) :
sampleBuffer::sampleBuffer( const f_cnt_t _frames, engine * _engine ) :
QObject(),
engineObject( _engine ),
m_audioFile( "" ),
m_origData( NULL ),
m_origFrames( 0 ),
@@ -623,7 +627,7 @@ SRC_STATE * sampleBuffer::createResamplingContext( void )
int error;
SRC_STATE * state;
if( ( state = src_new(/*
( mixer::inst()->highQuality() == TRUE ) ?
( eng()->getMixer()->highQuality() == TRUE ) ?
SRC_SINC_FASTEST :*/
SRC_LINEAR,
DEFAULT_CHANNELS, &error ) ) == NULL )
@@ -652,7 +656,7 @@ bool FASTCALL sampleBuffer::play( sampleFrame * _ab,
const bool _looped,
void * * _resampling_data )
{
mixer::inst()->clearAudioBuffer( _ab, _frames );
eng()->getMixer()->clearAudioBuffer( _ab, _frames );
if( m_data == NULL || m_frames == 0 || m_endFrame == 0 || _frames == 0 )
{
@@ -741,7 +745,7 @@ bool FASTCALL sampleBuffer::play( sampleFrame * _ab,
#else
f_cnt_t src_frame_base = 0;
// check whether we're in high-quality-mode
if( mixer::inst()->highQuality() == TRUE )
if( eng()->getMixer()->highQuality() == TRUE )
{
// we are, so let's use cubic interpolation...
for( f_cnt_t frame = 0; frame < frames_to_process;
@@ -1091,7 +1095,7 @@ QString & sampleBuffer::toBase64( QString & _dst ) const
/* FLAC__stream_encoder_set_do_exhaustive_model_search( flac_enc, TRUE );
FLAC__stream_encoder_set_do_mid_side_stereo( flac_enc, TRUE );*/
FLAC__stream_encoder_set_sample_rate( flac_enc,
mixer::inst()->sampleRate() );
eng()->getMixer()->sampleRate() );
QBuffer ba_writer;
#ifdef QT4
ba_writer.open( QBuffer::WriteOnly );
@@ -1152,11 +1156,12 @@ QString & sampleBuffer::toBase64( QString & _dst ) const
sampleBuffer * sampleBuffer::resample( sampleFrame * _data,
const f_cnt_t _frames,
const sample_rate_t _src_sr,
const sample_rate_t _dst_sr )
const sample_rate_t _dst_sr,
engine * _engine )
{
const f_cnt_t dst_frames = static_cast<f_cnt_t>( _frames /
(float) _src_sr * (float) _dst_sr );
sampleBuffer * dst_sb = new sampleBuffer( dst_frames );
sampleBuffer * dst_sb = new sampleBuffer( dst_frames, _engine );
sampleFrame * dst_buf = dst_sb->m_origData;
#ifdef HAVE_SAMPLERATE_H
// yeah, libsamplerate, let's rock with sinc-interpolation!