Optimize plugin-processing for non-automated params

[ardour.git] / libs / ardour / audiofilesource.cc

diff --git a/libs/ardour/audiofilesource.cc b/libs/ardour/audiofilesource.cc
index a98a43e6957a59649ce02e682a67c4b4c3e1e3bb..5a59ff339bc023c81a5e220d95df75d992190d43 100644 (file)
--- a/libs/ardour/audiofilesource.cc
+++ b/libs/ardour/audiofilesource.cc
@@ -30,6 +30,7 @@
 #include <fcntl.h>
 #include <errno.h>
 
+#include "pbd/gstdio_compat.h"
 #include "pbd/convert.h"
 #include "pbd/basename.h"
 #include "pbd/file_utils.h"
@@ -42,7 +43,6 @@
 
 #include <sndfile.h>
 
-#include <glib/gstdio.h>
 #include <glibmm/miscutils.h>
 #include <glibmm/fileutils.h>
 #include <glibmm/threads.h>
@@ -61,7 +61,7 @@
 #include <AudioToolbox/AudioFormat.h>
 #endif // HAVE_COREAUDIO
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -69,16 +69,16 @@ using namespace PBD;
 using namespace Glib;
 
 PBD::Signal0<void> AudioFileSource::HeaderPositionOffsetChanged;
-framecnt_t         AudioFileSource::header_position_offset = 0;
+samplecnt_t         AudioFileSource::header_position_offset = 0;
 
 /* XXX maybe this too */
 char AudioFileSource::bwf_serial_number[13] = "000000000000";
 
 struct SizedSampleBuffer {
-       framecnt_t size;
+       samplecnt_t size;
        Sample* buf;
 
-       SizedSampleBuffer (framecnt_t sz) : size (sz) {
+       SizedSampleBuffer (samplecnt_t sz) : size (sz) {
                buf = new Sample[size];
        }
 
@@ -131,7 +131,12 @@ AudioFileSource::AudioFileSource (Session& s, const string& path, Source::Flag f
 }
 
 
-/** Constructor used for existing internal-to-session files via XML.  File must exist. */
+/** Constructor used for sources listed in session-files (XML)
+ * and missing sources (SilentFileSource).
+ *
+ * If _origin is an absolute path after ::set_state(), then the
+ * file is external to the session.
+ */
 AudioFileSource::AudioFileSource (Session& s, const XMLNode& node, bool must_exist)
        : Source (s, node)
        , AudioSource (s, node)
@@ -141,6 +146,10 @@ AudioFileSource::AudioFileSource (Session& s, const XMLNode& node, bool must_exi
                throw failed_constructor ();
        }
 
+       if (Glib::path_is_absolute (_origin)) {
+               _path = _origin;
+       }
+
        if (init (_path, must_exist)) {
                throw failed_constructor ();
        }
@@ -199,10 +208,9 @@ XMLNode&
 AudioFileSource::get_state ()
 {
        XMLNode& root (AudioSource::get_state());
-       char buf[32];
-       snprintf (buf, sizeof (buf), "%u", _channel);
-       root.add_property (X_("channel"), buf);
-        root.add_property (X_("origin"), _origin);
+       root.set_property (X_("channel"), _channel);
+       root.set_property (X_("origin"), _origin);
+       root.set_property (X_("gain"), _gain);
        return root;
 }
 
@@ -241,7 +249,7 @@ AudioFileSource::move_dependents_to_trash()
 }
 
 void
-AudioFileSource::set_header_position_offset (framecnt_t offset)
+AudioFileSource::set_header_position_offset (samplecnt_t offset)
 {
        header_position_offset = offset;
        HeaderPositionOffsetChanged ();
@@ -274,6 +282,20 @@ AudioFileSource::setup_peakfile ()
        }
 }
 
+void
+AudioFileSource::set_gain (float g, bool temporarily)
+{
+       if (_gain == g) {
+               return;
+       }
+       _gain = g;
+       if (temporarily) {
+               return;
+       }
+       close_peakfile();
+       setup_peakfile ();
+}
+
 bool
 AudioFileSource::safe_audio_file_extension(const string& file)
 {
@@ -327,7 +349,7 @@ AudioFileSource::safe_audio_file_extension(const string& file)
 }
 
 Sample*
-AudioFileSource::get_interleave_buffer (framecnt_t size)
+AudioFileSource::get_interleave_buffer (samplecnt_t size)
 {
        SizedSampleBuffer* ssb;
 
@@ -343,4 +365,4 @@ AudioFileSource::get_interleave_buffer (framecnt_t size)
 
        return ssb->buf;
 }
-       
+