+ if( mwindow->preferences->use_thumbnails ) {
+ gui->unlock_window();
+ File *file = mwindow->audio_cache->check_out(asset,
+ mwindow->edl,
+ 1);
+ if( file ) {
+ pixmap_w = pixmap_h * 16/9;
+ icon_vframe = new VFrame(0,
+ -1, pixmap_w, pixmap_h, BC_RGB888, -1);
+ { char string[BCTEXTLEN];
+ sprintf(string, _("Reading %s"), name);
+ mwindow->gui->lock_window("AssetPicon::create_objects 3");
+ mwindow->gui->show_message(string);
+ mwindow->gui->unlock_window(); }
+ int sample_rate = asset->get_sample_rate();
+ int channels = asset->get_audio_channels();
+ if( channels > 2 ) channels = 2;
+ int64_t length = asset->get_audio_samples();
+ double duration = (double)length / sample_rate;
+ float t = duration > 1 ? (logf(duration) / logf(3600.f)) : 0;
+ if( t > 1 ) t = 1;
+ float h = 300 * t, s = 1., v = 1.;
+ float r, g, b; // duration, 0..1hr == hue red..magenta
+ HSV::hsv_to_rgb(r,g,b, h,s,v);
+ int ih = icon_vframe->get_h()/8, iw = icon_vframe->get_w();
+ int ir = r * 256; CLAMP(ir, 0,255);
+ int ig = g * 256; CLAMP(ig, 0,255);
+ int ib = b * 256; CLAMP(ib, 0,255);
+ unsigned char **rows = icon_vframe->get_rows();
+ for( int y=0; y<ih; ++y ) {
+ unsigned char *rp = rows[y];
+ for( int x=0; x<iw; rp+=3,++x ) {
+ rp[0] = ir; rp[1] = ig; rp[2] = ib;
+ }
+ }
+ length = sample_rate;
+ Samples samples(length);
+ static int line_colors[2] = { GREEN, YELLOW };
+ static int base_colors[2] = { RED, PINK };
+ for( int i=channels; --i>=0; ) {
+ file->set_channel(i);
+ file->set_audio_position(0);
+ file->read_samples(&samples, length);
+ draw_wave(icon_vframe, samples.get_data(), length,
+ base_colors[i], line_colors[i]);
+ }
+ mwindow->audio_cache->check_in(asset);
+ gui->lock_window("AssetPicon::create_objects 4");
+ icon = new BC_Pixmap(gui, pixmap_w, pixmap_h);
+ icon->draw_vframe(icon_vframe,
+ 0, 0, pixmap_w, pixmap_h, 0, 0);
+ }
+ else {
+ gui->lock_window("AssetPicon::create_objects 5");
+ icon = gui->audio_icon;
+ icon_vframe = gui->audio_vframe;
+ }
+ }
+ else {
+ icon = gui->audio_icon;
+ icon_vframe = gui->audio_vframe;
+ }