Uploaded start of CoreAudioSource. More sfdb work.

git-svn-id: svn://localhost/trunk/ardour2@184 d708f5d6-7413-0410-9779-e7cbd77b26cf

4 files changed, 288 insertions, 1 deletions

diff --git a/gtk2_ardour/option_editor.cc b/gtk2_ardour/option_editor.cc
index 99dcbd0535..0a137f3c42 100644
--- a/gtk2_ardour/option_editor.cc
+++ b/gtk2_ardour/option_editor.cc
@@ -76,7 +76,10 @@ OptionEditor::OptionEditor (ARDOUR_UI& uip, PublicEditor& ed, Mixer_UI& mixui)
 	  editor (ed),
 	  mixer (mixui),
 
-	  path_table (9, 2),
+	  /* Paths */
+	  path_table (11, 2),
+	  sfdb_paths(ListStore::create(sfdb_path_columns)),
+	  sfdb_path_view(sfdb_paths),
 
 	  /* Fades */
 
@@ -422,6 +425,13 @@ OptionEditor::setup_path_options()
 	path_table.attach (*label, 0, 1, 1, 2, FILL|EXPAND, FILL);
 	path_table.attach (native_format_combo, 1, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, FILL);
 
+	label = manage(new Label(_("Soundfile Search Paths")));
+	label->set_name("OptionsLabel");
+	path_table.attach(*label, 0, 1, 2, 3, FILL|EXPAND, FILL);
+	path_table.attach(sfdb_path_view, 1, 3, 2, 3, Gtk::FILL|Gtk::EXPAND, FILL);
+
+	sfdb_path_view.append_column(_("Paths"), sfdb_path_columns.paths);
+
 	vector<string> nfstrings = internationalize (native_format_strings);
 
 	set_popdown_strings (native_format_combo, nfstrings);
diff --git a/gtk2_ardour/option_editor.h b/gtk2_ardour/option_editor.h
index 3cce36611d..77e55dce7a 100644
--- a/gtk2_ardour/option_editor.h
+++ b/gtk2_ardour/option_editor.h
@@ -80,6 +80,18 @@ class OptionEditor : public Gtk::Dialog
 
 	Gtk::ComboBoxText       native_format_combo;
 
+	Glib::RefPtr<Gtk::ListStore> sfdb_paths;
+	Gtk::TreeView sfdb_path_view;
+
+	struct SoundFilePathColumns : public Gtk::TreeModel::ColumnRecord
+	{
+	  public:
+	    Gtk::TreeModelColumn<std::string> paths;
+
+		SoundFilePathColumns() { add (paths); }
+	};
+	SoundFilePathColumns sfdb_path_columns;
+
 	void setup_path_options();
 	void add_session_paths ();
 	void remove_session_paths ();
diff --git a/libs/ardour/ardour/coreaudio_source.h b/libs/ardour/ardour/coreaudio_source.h
new file mode 100644
index 0000000000..f62076497f
--- /dev/null
+++ b/libs/ardour/ardour/coreaudio_source.h
@@ -0,0 +1,62 @@
+/*
+    Copyright (C) 2000 Paul Davis 
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#ifndef __coreaudio_source_h__ 
+#define __coreaudio_source_h__
+
+#include <AudioToolbox/AudioFile.h>
+
+#include <ardour/source.h>
+
+namespace ARDOUR {
+
+class CoreAudioSource : public Source {
+  public:
+	CoreAudioSource (const string& path_plus_channel, bool build_peak = true);
+	CoreAudioSource (const XMLNode&);
+	~CoreAudioSource ();
+
+	jack_nframes_t length() const { return _info.frames; }
+	jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const;
+	void           mark_for_remove() {} // we never remove external sndfiles 
+	string         peak_path(string audio_path);
+	string         old_peak_path(string audio_path);
+	string         path() const { return _path; }
+
+	static void set_peak_dir (string dir) { peak_dir = dir; }
+
+  private:
+	static string peak_dir;
+
+	AudioFileID sf;
+	uint16_t channel;
+	mutable float *tmpbuf;
+	mutable jack_nframes_t tmpbufsize;
+	mutable PBD::Lock _tmpbuf_lock;
+	string  _path;
+
+	void init (const string &str, bool build_peak);
+	jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const;
+};
+
+}; /* namespace ARDOUR */
+
+#endif /* __coreaudio_source_h__ */
+
diff --git a/libs/ardour/coreaudio_source.cc b/libs/ardour/coreaudio_source.cc
new file mode 100644
index 0000000000..91c69dab2f
--- /dev/null
+++ b/libs/ardour/coreaudio_source.cc
@@ -0,0 +1,203 @@
+/*
+    Copyright (C) 2000 Paul Davis 
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#include <string>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+#include <pbd/mountpoint.h>
+#include <ardour/coreaudio_source.h>
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+
+string CoreAudioSource::peak_dir = "";
+
+CoreAudioSource::CoreAudioSource (const XMLNode& node)
+	: Source (node)
+{
+	if (set_state (node)) {
+		throw failed_constructor();
+	}
+
+	init (_name, true);
+	SourceCreated (this); /* EMIT SIGNAL */
+}
+
+CoreAudioSource::CoreAudioSource (const string& idstr, bool build_peak)
+	: Source(build_peak)
+{
+	init (idstr, build_peak);
+
+	if (build_peak) {
+		 SourceCreated (this); /* EMIT SIGNAL */
+	}
+}
+
+void 
+CoreAudioSource::init (const string& idstr, bool build_peak)
+{
+	string::size_type pos;
+	string file;
+
+	tmpbuf = 0;
+	tmpbufsize = 0;
+	sf = 0;
+
+	_name = idstr;
+
+	if ((pos = idstr.find_last_of (':')) == string::npos) {
+		channel = 0;
+		file = idstr;
+	} else {
+		channel = atoi (idstr.substr (pos+1).c_str());
+		file = idstr.substr (0, pos);
+	}
+
+	/* note that we temporarily truncated _id at the colon */
+	FSRef* ref;
+	OSStatus err = FSPathMakeRef (file.c_str(), ref, 0);
+	if (err) {
+		throw failed_constructor();
+	}
+	err = AudioFileOpen (ref, fsCurPerm, 0, sf);
+	if (err) {
+		throw failed_constructor();
+	}
+	
+	if (channel >= _info.channels) {
+		error << string_compose(_("CoreAudioSource: file only contains %1 channels; %2 is invalid as a channel number"), _info.channels, channel) << endmsg;
+		sf_close (sf);
+		sf = 0;
+		throw failed_constructor();
+	}
+
+	_length = _info.frames;
+	_path = file;
+
+	if (build_peak) {
+		if (initialize_peakfile (false, file)) {
+			sf_close (sf);
+			sf = 0;
+			throw failed_constructor ();
+		}
+	}
+}
+
+CoreAudioSource::~CoreAudioSource ()
+
+{
+	 GoingAway (this); /* EMIT SIGNAL */
+
+	if (sf) {
+		sf_close (sf);
+	}
+
+	if (tmpbuf) {
+		delete [] tmpbuf;
+	}
+}
+
+jack_nframes_t
+CoreAudioSource::read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const
+{
+	return read (dst, start, cnt);
+}
+
+jack_nframes_t
+CoreAudioSource::read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const
+{
+	int32_t nread;
+	float *ptr;
+	uint32_t real_cnt;
+
+	if (sf_seek (sf, (off_t) start, SEEK_SET) < 0) {
+		char errbuf[256];
+		sf_error_str (0, errbuf, sizeof (errbuf) - 1);
+		error << string_compose(_("CoreAudioSource: could not seek to frame %1 within %2 (%3)"), start, _name.substr (1), errbuf) << endmsg;
+		return 0;
+	}
+
+	if (_info.channels == 1) {
+		jack_nframes_t ret = sf_read_float (sf, dst, cnt);
+		_read_data_count = cnt * sizeof(float);
+		return ret;
+	}
+
+	real_cnt = cnt * _info.channels;
+
+	{
+		LockMonitor lm (_tmpbuf_lock, __LINE__, __FILE__);
+		
+		if (tmpbufsize < real_cnt) {
+			
+			if (tmpbuf) {
+				delete [] tmpbuf;
+			}
+			tmpbufsize = real_cnt;
+			tmpbuf = new float[tmpbufsize];
+		}
+		
+		nread = sf_read_float (sf, tmpbuf, real_cnt);
+		ptr = tmpbuf + channel;
+		nread /= _info.channels;
+		
+		/* stride through the interleaved data */
+		
+		for (int32_t n = 0; n < nread; ++n) {
+			dst[n] = *ptr;
+			ptr += _info.channels;
+		}
+	}
+
+	_read_data_count = cnt * sizeof(float);
+		
+	return nread;
+}
+
+string
+CoreAudioSource::peak_path (string audio_path)
+{
+	/* XXX hardly bombproof! fix me */
+
+	struct stat stat_file;
+	struct stat stat_mount;
+
+	string mp = mountpoint (audio_path);
+
+	stat (audio_path.c_str(), &stat_file);
+	stat (mp.c_str(), &stat_mount);
+
+	char buf[32];
+	snprintf (buf, sizeof (buf), "%ld-%ld-%d.peak", stat_mount.st_ino, stat_file.st_ino, channel);
+
+	string res = peak_dir;
+	res += buf;
+
+	return res;
+}
+
+string
+CoreAudioSource::old_peak_path (string audio_path)
+{
+	return peak_path (audio_path);
+}