audio wave icons, viewer wave image, 7 lib updates, tweak file size

[goodguy/history.git] / cinelerra-5.1 / cinelerra / vwindowgui.C

diff --git a/cinelerra-5.1/cinelerra/vwindowgui.C b/cinelerra-5.1/cinelerra/vwindowgui.C
index db6312bcacba94ce3a2eb404de726eaa490feb38..d5bd045f8b11880ab218d22ef5f4be38677c5365 100644 (file)
--- a/cinelerra-5.1/cinelerra/vwindowgui.C
+++ b/cinelerra-5.1/cinelerra/vwindowgui.C
@@ -19,10 +19,12 @@
  *
  */
 
+#include "arender.h"
 #include "asset.h"
 #include "assets.h"
 #include "awindowgui.h"
 #include "awindow.h"
+#include "cache.h"
 #include "canvas.h"
 #include "clip.h"
 #include "clipedit.h"
@@ -44,9 +46,12 @@
 #include "mwindow.h"
 #include "playtransport.h"
 #include "preferences.h"
+#include "renderengine.h"
+#include "samples.h"
 #include "theme.h"
 #include "timebar.h"
 #include "tracks.h"
+#include "transportque.h"
 #include "vframe.h"
 #include "vplayback.h"
 #include "vtimebar.h"
@@ -91,6 +96,47 @@ VWindowGUI::~VWindowGUI()
 //     delete source;
 }
 
+void VWindowGUI::draw_wave()
+{
+       TransportCommand command;
+       command.command = NORMAL_FWD;
+       command.get_edl()->copy_all(vwindow->get_edl());
+       command.change_type = CHANGE_ALL;
+       command.realtime = 0;
+       RenderEngine *render_engine = new RenderEngine(0, mwindow->preferences, 0, 0);
+       CICache *cache = new CICache(mwindow->preferences);
+       render_engine->set_acache(cache);
+       render_engine->arm_command(&command);
+
+       double duration = 1.;
+       int w = mwindow->edl->session->output_w;
+       int h = mwindow->edl->session->output_h;
+       VFrame *vframe = new VFrame(w, h, BC_RGB888);
+       int sample_rate = mwindow->edl->get_sample_rate();
+       int channels = mwindow->edl->session->audio_channels;
+       if( channels > 2 ) channels = 2;
+       int64_t bfrsz = sample_rate * duration;
+       Samples *samples[MAXCHANNELS];
+       int ch = 0;
+       while( ch < channels ) samples[ch++] = new Samples(bfrsz);
+       while( ch < MAXCHANNELS ) samples[ch++] = 0;
+       render_engine->arender->process_buffer(samples, bfrsz, 0);
+
+       static int line_colors[2] = { GREEN, YELLOW };
+       static int base_colors[2] = { RED, PINK };
+       for( int i=channels; --i>=0; ) {
+               AssetPicon::draw_wave(vframe, samples[i]->get_data(), bfrsz,
+                       base_colors[i], line_colors[i]);
+       }
+
+       for( int i=channels; --i>=0; ) delete samples[i];
+       delete render_engine;
+       delete cache;
+       delete canvas->refresh_frame;
+       canvas->refresh_frame = vframe;
+       canvas->draw_refresh(1);
+}
+
 void VWindowGUI::change_source(EDL *edl, const char *title)
 {
 //printf("VWindowGUI::change_source %d\n", __LINE__);
@@ -105,6 +151,10 @@ void VWindowGUI::change_source(EDL *edl, const char *title)
 
        lock_window("VWindowGUI::change_source");
        canvas->clear();
+       if( edl &&
+           !edl->tracks->playable_video_tracks() &&
+           edl->tracks->playable_audio_tracks() )
+               draw_wave();
        timebar->update(0);
        set_title(string);
        unlock_window();