115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
/*
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* Copyright (C) 2000-2016 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2005-2006 Taybin Rutkin <taybin@taybin.com>
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* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef COMPILER_MSVC
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#include <strings.h>
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#endif
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#include <sndfile.h>
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#include "ardour/sndfile_helpers.h"
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#include "ardour/export_format_base.h"
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using namespace std;
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int
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sndfile_data_width (int format)
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{
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int tval = format & SF_FORMAT_SUBMASK;
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switch (tval) {
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case SF_FORMAT_PCM_S8:
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case SF_FORMAT_PCM_U8:
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return 8;
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case SF_FORMAT_PCM_16:
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return 16;
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case SF_FORMAT_PCM_24:
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return 24;
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case SF_FORMAT_PCM_32:
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return 32;
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case SF_FORMAT_FLOAT:
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case SF_FORMAT_DOUBLE:
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case ARDOUR::ExportFormatBase::SF_MPEG_LAYER_III:
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return 1; /* ridiculous but used as a magic value */
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default:
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// we don't handle anything else within ardour
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return 0;
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}
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}
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string
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sndfile_major_format(int format)
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{
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static map<int, string> m;
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if(m.empty()){
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SF_FORMAT_INFO format_info;
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int count;
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sf_command(0, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof (int));
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for (int i = 0; i < count; ++i){
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format_info.format = i;
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sf_command (0, SFC_GET_FORMAT_MAJOR,
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&format_info, sizeof (format_info));
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m[format_info.format & SF_FORMAT_TYPEMASK] = format_info.name;
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/* normalize a couple of names rather than use what libsndfile gives us */
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if (strncasecmp (format_info.name, "OGG", 3) == 0) {
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m[format_info.format & SF_FORMAT_TYPEMASK] = "Ogg";
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} else if (strncasecmp (format_info.name, "WAV", 3) == 0) {
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m[format_info.format & SF_FORMAT_TYPEMASK] = "WAV";
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} else {
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m[format_info.format & SF_FORMAT_TYPEMASK] = format_info.name;
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}
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}
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}
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map<int, string>::iterator p = m.find(format & SF_FORMAT_TYPEMASK);
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if(p != m.end()){
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return m[format & SF_FORMAT_TYPEMASK];
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} else {
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return "-Unknown-";
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}
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}
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string
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sndfile_minor_format(int format)
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{
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static map<int, string> m;
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if(m.empty()){
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SF_FORMAT_INFO format_info;
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int count;
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sf_command(0, SFC_GET_FORMAT_SUBTYPE_COUNT, &count, sizeof (int));
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for (int i = 0; i < count; ++i){
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format_info.format = i;
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sf_command (0, SFC_GET_FORMAT_SUBTYPE,
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&format_info, sizeof (format_info));
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m[format_info.format & SF_FORMAT_SUBMASK] = format_info.name;
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}
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}
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map<int, string>::iterator p = m.find(format & SF_FORMAT_SUBMASK);
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if(p != m.end()){
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return m[format & SF_FORMAT_SUBMASK];
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} else {
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return "-Unknown-";
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}
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}
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