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Cleanups.

pull/3/head
Jonathan Moore Liles 2008-03-06 17:21:57 -06:00
parent 613cbaa2a4
commit 42d1643dad
8 changed files with 44 additions and 47 deletions
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2
Audio_File_SF.C
View File

@ -41,7 +41,7 @@ Audio_File_SF::from_file ( const char *filename )
return NULL;
}
if ( si.samplerate != timeline->sample_rate )
if ( si.samplerate != timeline->sample_rate() )
{
printf( "error: samplerate mismatch!\n" );
goto invalid;

16
Peaks.C
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@ -43,13 +43,15 @@ Peaks::peakbuffer Peaks::peakbuf;
/** Prepare a buffer of peaks from /s/ to /e/ for reading. Must be
* called before any calls to operator[] */
void
Peaks::fill_buffer ( int s, int e ) const
Peaks::fill_buffer ( float fpp, int s, int e ) const
{
if ( timeline->fpp < _peaks->chunksize )
_fpp = fpp;
if ( fpp < _peaks->chunksize )
{
/* looks like we're going to have to switch to a higher resolution peak file
or read directly from the source */
read_peaks( s, e, (e - s) / timeline->fpp, timeline->fpp );
read_peaks( s, e, (e - s) / fpp, fpp );
}
else
{
@ -144,9 +146,9 @@ Peaks::peak ( nframes_t start, nframes_t end ) const
/* Is there a better way to return this? */
static Peak p;
if ( timeline->fpp < _peaks->chunksize )
if ( _fpp < _peaks->chunksize )
{
assert( timeline->fpp == peakbuf.buf->chunksize );
assert( _fpp == peakbuf.buf->chunksize );
start = (start - peakbuf.offset) / peakbuf.buf->chunksize;
end = (end - peakbuf.offset) / peakbuf.buf->chunksize;
@ -288,11 +290,11 @@ Peaks::make_peaks ( int chunksize )
/end/ (uses known peak data if possible */
float
Peaks::normalization_factor( nframes_t start, nframes_t end ) const
Peaks::normalization_factor( float fpp, nframes_t start, nframes_t end ) const
{
float s;
fill_buffer( start, end );
fill_buffer( fpp, start, end );
Peak p = peak( start, end );

6
Peaks.H
View File

@ -63,6 +63,8 @@ class Peaks
size_t _len;
mutable float _fpp;
void read_peaks ( int s, int e, int npeaks, int chunksize ) const;
int clip_read_peaks ( Peak *peaks, int npeaks, int chunksize ) const;
@ -98,12 +100,12 @@ public:
void clip ( Audio_File *c ) { _clip = c; }
void channel ( int v ) { _channel = v; }
void fill_buffer ( int s, int e ) const;
void fill_buffer ( float fpp, int s, int e ) const;
void downsample ( Peak *peaks, int s, int e, float *mhi, float *mlo ) const;
void read ( int X, float *hi, float *lo ) const;
bool open ( void );
float normalization_factor( nframes_t start, nframes_t end ) const;
float normalization_factor( float fpp, nframes_t start, nframes_t end ) const;
bool current ( void ) const;
bool make_peaks ( int chunksize );

9
Region.C
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@ -465,10 +465,7 @@ Region::draw ( int X, int Y, int W, int H )
int ch = (h() - Fl::box_dh( box() )) / _clip->channels();
for ( int i = _clip->channels(); i--; )
// draw_waveform( rx, y() + (i * ch), rw, ch, _clip, i,
// _start + offset, min( (_end - _start) - offset, _end),
// _scale, _selected ? _color : fl_invert_color( _color ) );
draw_waveform( rx, X, (y() + Fl::box_dy( box() )) + (i * ch), W, ch, _clip, i,
draw_waveform( rx, X, (y() + Fl::box_dy( box() )) + (i * ch), W, ch, _clip, i, timeline->fpp(),
_start + offset, min( (_end - _start) - offset, _end),
_scale, selected() ? fl_invert_color( _color ) : _color );
@ -485,7 +482,7 @@ Region::draw ( int X, int Y, int W, int H )
{
char pat[40];
snprintf( pat, sizeof( pat ), "%dm:%.1fs", (int)(length() / timeline->sample_rate) / 60, (double)length() / timeline->sample_rate );
snprintf( pat, sizeof( pat ), "%dm:%.1fs", (int)(length() / timeline->sample_rate()) / 60, (double)length() / timeline->sample_rate() );
draw_label( pat, (Fl_Align)(FL_ALIGN_INSIDE | FL_ALIGN_CENTER), FL_GREEN );
}
@ -510,7 +507,7 @@ Region::normalize ( void )
printf( "normalize: start=%lu end=%lu\n", _start, _end );
/* FIXME: punt */
_scale = _clip->peaks( 0 )->normalization_factor( _start, _end );
_scale = _clip->peaks( 0 )->normalization_factor( timeline->fpp(), _start, _end );
}

21
Timeline.C
View File

@ -50,9 +50,9 @@ Timeline::cb_scroll ( Fl_Widget *w )
{
if ( hscroll->zoom_changed() )
{
fpp = hscroll->zoom() * 1;
_fpp = hscroll->zoom() * 1;
int maxx = ts_to_x( length );
int maxx = ts_to_x( _length );
hscroll->range( 0, maxx );
redraw();
@ -142,9 +142,9 @@ Timeline::Timeline ( int X, int Y, int W, int H, const char* L ) : Fl_Overlay_Wi
/* Fl_Scroll *o = new Fl_Scroll( 0, 24 * 2, 800, 600 - (24 * 3) ); */
/* o->type( Fl_Scroll::VERTICAL_ALWAYS ); */
sample_rate = 44100;
fpp = 256;
length = sample_rate * 60 * 2;
_sample_rate = 44100;
_fpp = 256;
_length = _sample_rate * 60 * 2;
{
Fl_Pack *o = new Fl_Pack( X, rulers->y() + rulers->h(), W - vscroll->w(), 5000 );
@ -214,7 +214,7 @@ Timeline::nearest_line ( int ix )
{
for ( int x = ix - 10; x < ix + 10; ++x )
{
const int measure = ts_to_x( (double)(sample_rate * 60) / beats_per_minute( x_to_ts( x - Track_Header::width() ) + xoffset ));
const int measure = ts_to_x( (double)(_sample_rate * 60) / beats_per_minute( x_to_ts( x - Track_Header::width() ) + xoffset ));
// const int abs_x = ts_to_x( xoffset ) + x;
@ -245,7 +245,7 @@ Timeline::draw_measure_lines ( int X, int Y, int W, int H, Fl_Color color )
for ( int x = X; x < X + W; ++x )
{
measure = ts_to_x( (double)(sample_rate * 60) / beats_per_minute( x_to_ts( x - Track_Header::width() ) + xoffset ));
measure = ts_to_x( (double)(_sample_rate * 60) / beats_per_minute( x_to_ts( x - Track_Header::width() ) + xoffset ));
const int abs_x = ts_to_x( xoffset ) + x - Track_Header::width();
@ -397,12 +397,19 @@ Timeline::draw_overlay ( void )
const Rectangle &r = _selection;
fl_color( FL_BLACK );
fl_line_style( FL_SOLID, 2 );
fl_rect( r.x + 2, r.y + 2, r.w, r.h );
fl_color( FL_MAGENTA );
fl_line_style( FL_DASH, 2 );
fl_rect( r.x, r.y, r.w, r.h );
fl_line( r.x, r.y, r.x + r.w, r.y + r.h );
fl_line( r.x + r.w, r.y, r.x, r.y + r.h );
/* fl_overlay_rect( r.x, r.y, r.w, r.h ); */
fl_line_style( FL_SOLID, 0 );

31
Timeline.H
View File

@ -91,36 +91,25 @@ class Timeline : public Fl_Overlay_Window
static void cb_scroll ( Fl_Widget *w, void *v );
void cb_scroll ( Fl_Widget *w );
float _fpp; /* frames per pixel */
nframes_t _sample_rate;
nframes_t _length;
public:
float fpp; /* frames per pixel */
// nframes_t fpp;
nframes_t sample_rate;
nframes_t xoffset;
nframes_t length;
int yposition;
Timeline ( int X, int Y, int W, int H, const char *L=0 );
int
ts_to_x( nframes_t ts )
{
// assert( ts / fpp > 0 );
return ts / fpp;
}
nframes_t
x_to_ts ( int x )
{
return x * fpp;
}
/* #define FOR_CHILDREN_OF( name, ind ) \ */
/* for ( int i = (name) ->children(); i-- && ( (ind) = (name) ->child( i ) ); ) */
float fpp ( void ) const { return _fpp; }
nframes_t length ( void ) const { return _length; }
nframes_t sample_rate ( void ) const { return _sample_rate; }
int ts_to_x( nframes_t ts ) const { return ts / _fpp; }
nframes_t x_to_ts ( int x ) const { return x * _fpp; }
float beats_per_minute ( nframes_t when ) const;
int beats_per_bar ( nframes_t when ) const;

4
Waveform.C
View File

@ -31,7 +31,7 @@
/** draw a portion of /clip/'s waveform. coordinates are the portion to draw */
void
draw_waveform ( int ox, int X, int Y, int W, int H, Audio_File *_clip, int channel, nframes_t _start, nframes_t _end, float _scale, Fl_Color color )
draw_waveform ( int ox, int X, int Y, int W, int H, Audio_File *_clip, int channel, float fpp, nframes_t _start, nframes_t _end, float _scale, Fl_Color color )
{
fl_push_clip( X, Y, W, H );
@ -44,7 +44,7 @@ draw_waveform ( int ox, int X, int Y, int W, int H, Audio_File *_clip, int chann
_start = timeline->x_to_ts( start );
pk->fill_buffer( _start, _start + timeline->x_to_ts( W ) );
pk->fill_buffer( fpp, _start, _start + timeline->x_to_ts( W ) );
j = start;
for ( int x = X; x <= X + W; ++x, ++j )

2
Waveform.H
View File

@ -26,4 +26,4 @@
#include "Audio_File.H"
void draw_waveform ( int rx, int X, int Y, int W, int H, Audio_File *_clip, int channel, nframes_t _start, nframes_t _end, float _scale, Fl_Color color );
void draw_waveform ( int rx, int X, int Y, int W, int H, Audio_File *_clip, int channel, float fpp, nframes_t _start, nframes_t _end, float _scale, Fl_Color color );