2017-08-30 Fred Gleason <fredg@paravelsystems.com>

* Added an 'RDRenderer' class in 'lib/rdrenderer.cpp' and 'lib/rdrenderer.h'. * Refactored rdrender(1) to use the 'RDRenderer' class.
2026-01-12 07:35:55 +01:00 · 2017-08-30 13:43:03 -04:00
parent c860c8b90d
commit 8d9a2ecadc
17 changed files with 1368 additions and 445 deletions
--- a/lib/rdrenderer.h
+++ b/lib/rdrenderer.h
@@ -0,0 +1,122 @@
+// rdrenderer.h
+//
+// Render a Rivendell log to a single audio object.
+//
+//   (C) Copyright 2017 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef RDRENDERER_H
+#define RDRENDERER_H
+
+#include <stdint.h>
+
+#include <sndfile.h>
+
+#include <qobject.h>
+#include <qstringlist.h>
+
+#include <rdconfig.h>
+#include <rdlog_event.h>
+#include <rdsettings.h>
+#include <rdstation.h>
+#include <rdsystem.h>
+#include <rduser.h>
+
+class __RDRenderLogLine : public RDLogLine
+{
+ public:
+  __RDRenderLogLine(RDLogLine *ll,RDUser *user,RDStation *station,RDSystem *sys,
+		    RDConfig *config,unsigned chans);
+  RDCart *cart() const;
+  RDCut *cut() const;
+  SNDFILE *handle() const;
+  double rampLevel() const;
+  void setRampLevel(double lvl);
+  double rampRate() const;
+  void setRampRate(double lvl);
+  void setRamp(RDLogLine::TransType next_trans);
+  bool open(const QTime &time);
+  void close();
+  QString summary() const;
+
+ private:
+  bool GetCutFile(const QString &cutname,int start_pt,int end_pt,
+		  QString *dest_filename) const;
+  void DeleteCutFile(const QString &dest_filename) const;
+  uint64_t FramesFromMsec(uint64_t msec);
+  RDCart *ll_cart;
+  RDCut *ll_cut;
+  SNDFILE *ll_handle;
+  RDLogLine *ll_logline;
+  RDUser *ll_user;
+  RDStation *ll_station;
+  RDSystem *ll_system;
+  RDConfig *ll_config;
+  unsigned ll_channels;
+  double ll_ramp_level;
+  double ll_ramp_rate;
+};
+
+
+
+
+class RDRenderer : public QObject
+{
+  Q_OBJECT;
+ public:
+  RDRenderer(RDUser *user,RDStation *station,RDSystem *system,RDConfig *config,
+	     QObject *parent=0);
+  ~RDRenderer();
+  bool renderToFile(const QString &outfile,RDLogEvent *log,unsigned chans,
+		    RDSettings *s,const QTime &start_time,bool ignore_stops,
+		    QString *err_msg,int first_line,int last_line,
+		    const QTime &first_time=QTime(),
+		    const QTime &last_time=QTime());
+  bool renderToCart(unsigned cartnum,int cutnum,RDLogEvent *log,unsigned chans,
+		    RDSettings *s,const QTime &start_time,bool ignore_stops,
+		    QString *err_msg,int first_line,int last_line,
+		    const QTime &first_time=QTime(),
+		    const QTime &last_time=QTime());
+  QStringList warnings() const;
+
+ signals:
+  void progressMessageSent(const QString &msg);
+
+ private:
+  bool Render(const QString &outfile,RDLogEvent *log,unsigned chans,
+	      RDSettings *s,const QTime &start_time,bool ignore_stops,
+	      QString *err_msg,int first_line,int last_line,
+	      const QTime &first_time,const QTime &last_time);
+  void Sum(float *pcm_out,__RDRenderLogLine *ll,sf_count_t frames,
+	   unsigned chans);
+  bool ConvertAudio(const QString &srcfile,const QString &dstfile,
+		    RDSettings *s,QString *err_msg);
+  bool ImportCart(const QString &srcfile,unsigned cartnum,int cutnum,
+		  QString *err_msg);
+  uint64_t FramesFromMsec(uint64_t msec) const;
+  void DeleteTempFile(const QString &filename) const;
+  void ProgressMessage(const QString &msg);
+  void ProgressMessage(const QTime &time,int line,const QString &trans,
+		       const QString &msg);
+  RDUser *render_user;
+  RDStation *render_station;
+  RDSystem *render_system;
+  RDConfig *render_config;
+  QStringList render_warnings;
+};
+
+
+#endif  // RDRENDERER_H