Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / plugins / echo / echo.h

diff --git a/cinelerra-5.1/plugins/echo/echo.h b/cinelerra-5.1/plugins/echo/echo.h
new file mode 100644 (file)
index 0000000..9224b72
--- /dev/null
+++ b/cinelerra-5.1/plugins/echo/echo.h
@@ -0,0 +1,179 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 1997-2011 Adam Williams <broadcast at earthling dot net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef ECHO_H
+#define ECHO_H
+#include "bchash.inc"
+#include "bctimer.inc"
+#include "fourier.h"
+#include "guicast.h"
+#include "mutex.h"
+#include "pluginaclient.h"
+#include "vframe.inc"
+
+#include <string.h>
+
+
+class Echo;
+
+
+class EchoPrefix {
+public:
+       const char *prefix;
+       EchoPrefix(const char *p) : prefix(p) {}
+       ~EchoPrefix() {}
+};
+
+class EchoTitle : public EchoPrefix, public BC_Title {
+       char string[BCSTRLEN];
+       char *preset(int value) {
+               sprintf(string, "%s%d", prefix, value);
+               return string;
+       }
+       char *preset(double value) {
+               sprintf(string, "%s%.3f", prefix, value);
+               return string;
+       }
+public:
+       void update(int value) { BC_Title::update(preset(value)); }
+       void update(double value) { BC_Title::update(preset(value)); }
+
+       EchoTitle(int x, int y, const char *pfx, int value)
+               : EchoPrefix(pfx), BC_Title(x, y, preset(value)) {}
+       EchoTitle(int x, int y, const char *pfx, double value)
+               :  EchoPrefix(pfx),BC_Title(x, y, preset(value)) {}
+       ~EchoTitle() {}
+};
+
+
+class EchoWindow;
+
+class EchoLevel : public BC_FPot
+{
+public:
+       EchoLevel(EchoWindow *window, int x, int y);
+       ~EchoLevel();
+       int handle_event();
+       EchoWindow *window;
+};
+
+class EchoAtten : public BC_FPot
+{
+public:
+       EchoAtten(EchoWindow *window, int x, int y);
+       ~EchoAtten();
+       int handle_event();
+       EchoWindow *window;
+};
+
+class EchoOffset : public BC_FPot
+{
+public:
+       EchoOffset(EchoWindow *window, int x, int y);
+       ~EchoOffset();
+       int handle_event();
+       EchoWindow *window;
+};
+
+
+class EchoWindow : public PluginClientWindow
+{
+public:
+       EchoWindow(Echo *plugin);
+       ~EchoWindow();
+
+       void create_objects();
+       void update_gui();
+       int resize_event(int w, int h);
+
+       EchoTitle *level_title;
+       EchoLevel *level;
+
+       EchoTitle *atten_title;
+       EchoAtten *atten;
+       EchoTitle *offset_title;
+       EchoOffset *offset;
+       Echo *plugin;
+};
+
+
+
+
+
+class EchoConfig
+{
+public:
+       EchoConfig();
+       int equivalent(EchoConfig &that);
+       void copy_from(EchoConfig &that);
+       void interpolate(EchoConfig &prev, EchoConfig &next, 
+               int64_t prev_frame, int64_t next_frame, int64_t current_frame);
+       double level;
+       double atten;
+       double offset;
+};
+
+
+class Echo : public PluginAClient
+{
+public:
+       class ring_buffer {
+               int bsz;
+               double *ip, *op;        // in ptr, out ptr
+               double *bfr, *lmt;      // first, limit
+               void reset() { ip = op = bfr;  lmt = bfr + bsz; }
+       public:
+               ring_buffer(int sz) { bfr = new double[bsz = sz]; reset(); }
+               ~ring_buffer() { delete [] bfr; }
+               void clear() { memset(bfr, 0, bsz*sizeof(*bfr)); }
+               double &icur() { return  *ip; }
+               double &ocur() { return  *op; }
+               double &inxt() { double &v=*ip; if( ++ip>=lmt ) ip=bfr; return v; }
+               double &onxt() { double &v=*op; if( ++op>=lmt ) op=bfr; return v; }
+               int64_t iseek(int64_t n) { ip = bfr+(n%bsz); return n; }
+               int64_t oseek(int64_t n) { op = bfr+(n%bsz); return n; }
+       } **rbfr;
+       int64_t rpos;
+
+       Echo(PluginServer *server);
+       ~Echo();
+       
+       PLUGIN_CLASS_MEMBERS2(EchoConfig)
+       int is_realtime();
+       int is_multichannel();
+       int process_buffer(int64_t size, Samples **buffer, int64_t start_position, int sample_rate);
+
+       void read_data(KeyFrame *keyframe);
+       void save_data(KeyFrame *keyframe);
+       void update_gui();
+       
+       void reset();
+       void alloc_buffers(int nch, int isz, int rsz);
+       void delete_buffers();
+
+       int nch, rsz, isz;
+       int64_t bfr_pos;
+       double **ibfr;
+       DB db;
+};
+
+
+#endif