rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 209 insertions, 0 deletions

diff --git a/libs/ardour/sndfile_helpers.cc b/libs/ardour/sndfile_helpers.cc
new file mode 100644
index 0000000000..58a51f8bbe
--- /dev/null
+++ b/libs/ardour/sndfile_helpers.cc
@@ -0,0 +1,209 @@
+/*
+    Copyright (C) 2000-2007 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.
+
+*/
+
+#include <map>
+#include <vector>
+
+#include <pbd/convert.h>
+
+#include <sndfile.h>
+#include <ardour/sndfile_helpers.h>
+
+#include "i18n.h"
+
+using std::map;
+using namespace std;
+
+const char * const sndfile_header_formats_strings[SNDFILE_HEADER_FORMATS+1] = {
+	N_("WAV"),
+	N_("AIFF"),
+	N_("CAF"),
+	N_("W64 (64 bit WAV)"),
+	N_("raw (no header)"),
+	0
+};
+
+const char* const sndfile_file_endings_strings[SNDFILE_HEADER_FORMATS+1] = {
+	N_(".wav"),
+	N_(".aiff"),
+	N_(".caf"),
+	N_(".w64"),
+	N_(".raw"),
+	0
+};
+
+int sndfile_header_formats[SNDFILE_HEADER_FORMATS] = {
+	SF_FORMAT_WAV,
+	SF_FORMAT_AIFF,
+	SF_FORMAT_CAF,
+	SF_FORMAT_W64,
+	SF_FORMAT_RAW
+};
+
+const char * const sndfile_bitdepth_formats_strings[SNDFILE_BITDEPTH_FORMATS+1] = {
+	N_("Signed 16 bit PCM"),
+	N_("Signed 24 bit PCM"),
+	N_("Signed 32 bit PCM"),
+	N_("Signed 8 bit PCM"),
+	N_("32 bit float"),
+	0
+};
+
+int sndfile_bitdepth_formats[SNDFILE_BITDEPTH_FORMATS] = {
+	SF_FORMAT_PCM_16,
+	SF_FORMAT_PCM_24,
+	SF_FORMAT_PCM_32,
+	SF_FORMAT_PCM_S8,
+	SF_FORMAT_FLOAT
+};
+
+const char * const sndfile_endian_formats_strings[SNDFILE_ENDIAN_FORMATS+1] = {
+	N_("Little-endian (Intel)"),
+	N_("Big-endian (Mac)"),
+	0
+};
+
+int sndfile_endian_formats[SNDFILE_ENDIAN_FORMATS] = {
+	SF_ENDIAN_LITTLE,
+	SF_ENDIAN_BIG
+};
+
+int
+sndfile_header_format_from_string (string str)
+{
+	for (int n = 0; sndfile_header_formats_strings[n]; ++n) {
+		if (str == sndfile_header_formats_strings[n]) {
+			return sndfile_header_formats[n];
+		}
+	}
+	return -1;
+}
+
+int
+sndfile_bitdepth_format_from_string (string str)
+{
+	for (int n = 0; sndfile_bitdepth_formats_strings[n]; ++n) {
+		if (str == sndfile_bitdepth_formats_strings[n]) {
+			return sndfile_bitdepth_formats[n];
+		}
+	}
+	return -1;
+}
+
+int
+sndfile_endian_format_from_string (string str)
+{
+	for (int n = 0; sndfile_endian_formats_strings[n]; ++n) {
+		if (str == sndfile_endian_formats_strings[n]) {
+			return sndfile_endian_formats[n];
+		}
+	}
+	return -1;
+}
+
+string
+sndfile_file_ending_from_string (string str)
+{	
+	static vector<string> file_endings;
+
+	if (file_endings.empty()) {
+		file_endings = I18N((const char **) sndfile_file_endings_strings);
+	}
+
+	for (int n = 0; sndfile_header_formats_strings[n]; ++n) {
+		if (str == sndfile_header_formats_strings[n]) {
+			return file_endings[n];
+		}
+	}
+	return 0;
+}
+
+int
+sndfile_data_width (int format)
+{
+	int tval = format & 0xf;
+
+	switch (tval) {
+	  case SF_FORMAT_PCM_S8:
+	  case SF_FORMAT_PCM_U8:
+		return 8;
+	  case SF_FORMAT_PCM_16:
+		return 16;
+	  case SF_FORMAT_PCM_24:
+		return 24;
+	  case SF_FORMAT_PCM_32:
+		return 32;
+	  case SF_FORMAT_FLOAT:
+		return 1; // heh, heh
+	  default:
+	    // we don't handle anything else within ardour
+		return 0;
+	}
+}
+
+string 
+sndfile_major_format(int format)
+{
+	static map<int, string> m;
+
+	if(m.empty()){
+		SF_FORMAT_INFO format_info;
+		int count;
+		sf_command(0, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof (int));
+		for (int i = 0; i < count; ++i){
+			format_info.format = i;
+			sf_command (0, SFC_GET_FORMAT_MAJOR, 
+					&format_info, sizeof (format_info));
+			m[format_info.format & SF_FORMAT_TYPEMASK] = format_info.name;
+		}
+	}
+	
+	map<int, string>::iterator p = m.find(format & SF_FORMAT_TYPEMASK);
+	if(p != m.end()){
+		return m[format & SF_FORMAT_TYPEMASK];
+	} else {
+		return "-Unknown-";
+	}
+}
+
+string
+sndfile_minor_format(int format)
+{
+	static map<int, string> m;
+
+	if(m.empty()){
+		SF_FORMAT_INFO format_info;
+		int count;
+		sf_command(0, SFC_GET_FORMAT_SUBTYPE_COUNT, &count, sizeof (int));
+		for (int i = 0; i < count; ++i){
+			format_info.format = i;
+			sf_command (0, SFC_GET_FORMAT_SUBTYPE, 
+					&format_info, sizeof (format_info));
+			m[format_info.format & SF_FORMAT_SUBMASK] = format_info.name;
+		}
+	}
+	
+	map<int, string>::iterator p = m.find(format & SF_FORMAT_SUBMASK);
+	if(p != m.end()){
+		return m[format & SF_FORMAT_SUBMASK];
+	} else {
+		return "-Unknown-";
+	}
+}
+