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/*************************************************************************** |
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* * |
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* Copyright (C) 2021 Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
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* * |
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* This program is part of libgig. * |
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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 * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#ifdef HAVE_CONFIG_H |
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# include <config.h> |
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#endif |
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#include <errno.h> |
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#include <sys/stat.h> |
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#include <dirent.h> |
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#include <string.h> |
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#include <iostream> |
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#include <cstdlib> |
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#include <string> |
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#include <set> |
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#include <map> |
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#include <regex> |
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|
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#if !defined(WIN32) |
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# include <unistd.h> |
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#endif |
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|
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#include "../gig.h" |
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#include "../helper.h" // for ToString() |
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|
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// only libsndfile is available for Windows, so we use that for writing the sound files |
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#ifdef WIN32 |
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# define HAVE_SNDFILE 1 |
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#endif // WIN32 |
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|
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// abort compilation here if libsndfile is not available |
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#if !HAVE_SNDFILE |
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# error "It seems as if libsndfile is not available!" |
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# error "(HAVE_SNDFILE is false)" |
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#endif |
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|
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#if HAVE_SNDFILE |
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# ifdef LIBSNDFILE_HEADER_FILE |
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# include LIBSNDFILE_HEADER_FILE(sndfile.h) |
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# else |
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# include <sndfile.h> |
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# endif |
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#endif // HAVE_SNDFILE |
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|
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#ifdef WIN32 |
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# define DIR_SEPARATOR '\\' |
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#else |
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# define DIR_SEPARATOR '/' |
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#endif |
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|
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using namespace std; |
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|
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static string Revision() { |
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string s = "$Revision$"; |
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return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
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} |
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|
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static void printVersion() { |
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cout << "wav2gig revision " << Revision() << endl; |
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cout << "using " << gig::libraryName() << " " << gig::libraryVersion() << endl; |
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} |
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|
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static void printUsage() { |
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cout << "wav2gig - Create GigaStudio file from a set of WAV files." << endl; |
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cout << endl; |
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cout << "Usage: wav2gig [-v] [-f] [-r] GIGFILE WAVFILEORDIR1 [ WAVFILEORDIR2 ... ]" << endl; |
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cout << endl; |
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cout << " -v Print version and exit." << endl; |
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cout << endl; |
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cout << " -f Overwrite output gig file if it already exists." << endl; |
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cout << endl; |
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cout << " -r Recurse through all subdirs of provided input WAV dirs." << endl; |
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cout << endl; |
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} |
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|
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static bool beginsWith(const string& haystack, const string& needle) { |
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return haystack.substr(0, needle.size()) == needle; |
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} |
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|
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static bool endsWith(const string& haystack, const string& needle) { |
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return haystack.substr(haystack.size() - needle.size(), needle.size()) == needle; |
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} |
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|
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static bool fileExists(const string& filename) { |
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FILE* hFile = fopen(filename.c_str(), "r"); |
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if (!hFile) return false; |
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fclose(hFile); |
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return true; |
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} |
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|
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static bool isDir(const string& dirname) { |
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struct stat sb; |
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return (stat(dirname.c_str(), &sb) == 0) && S_ISDIR(sb.st_mode); |
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} |
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|
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static bool isRegularFile(const string& filename) { |
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struct stat sb; |
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return (stat(filename.c_str(), &sb) == 0) && S_ISREG(sb.st_mode); |
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} |
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|
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// this could also be replaced by fopen(name, "w") to simply truncate the file to zero |
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static void deleteFile(const string& filename) { |
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#if defined(WIN32) |
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DeleteFile(filename.c_str()); |
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#else |
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unlink(filename.c_str()); |
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#endif |
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} |
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|
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static bool isGigFileName(const string& filename) { |
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return endsWith(filename, ".gig") || endsWith(filename, ".GIG"); |
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} |
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|
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static bool isWavFileName(const string& filename) { |
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return endsWith(filename, ".wav") || endsWith(filename, ".WAV"); |
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} |
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|
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static bool isValidWavFile(const string& filename) { |
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SF_INFO info; |
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info.format = 0; |
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SNDFILE* hFile = sf_open(filename.c_str(), SFM_READ, &info); |
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if (!hFile) { |
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cerr << "Could not open input wav file \"" << filename << "\"" << endl; |
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return false; |
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} |
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sf_close(hFile); |
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switch (info.format & 0xff) { |
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case SF_FORMAT_PCM_S8: |
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case SF_FORMAT_PCM_16: |
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case SF_FORMAT_PCM_U8: |
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case SF_FORMAT_PCM_24: |
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case SF_FORMAT_PCM_32: |
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case SF_FORMAT_FLOAT: |
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case SF_FORMAT_DOUBLE: |
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return true; |
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default: |
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cerr << "Format of input wav file \"" << filename << "\" not supported!" << endl; |
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return false; |
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} |
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return false; |
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} |
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|
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static void collectWavFilesOfDir(set<string>& result, string path, bool bRecurse, bool* pbError = NULL) { |
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DIR* d = opendir(path.c_str()); |
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if (!d) { |
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if (pbError) *pbError = true; |
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cerr << strerror(errno) << " : '" << path << "'" << endl; |
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return; |
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} |
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|
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for (struct dirent* e = readdir(d); e; e = readdir(d)) { |
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if (string(e->d_name) == "." || string(e->d_name) == "..") |
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continue; |
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|
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const string fullName = path + DIR_SEPARATOR + e->d_name; |
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|
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struct stat s; |
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if (stat(fullName.c_str(), &s)) { |
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if (pbError) *pbError = true; |
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cerr << strerror(errno) << " : '" << fullName << "'" << endl; |
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continue; |
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} |
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|
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if (S_ISREG(s.st_mode) && isWavFileName(fullName) && isValidWavFile(fullName)) { |
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result.insert(fullName); |
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} else if (S_ISDIR(s.st_mode) && bRecurse) { |
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collectWavFilesOfDir(result, fullName, bRecurse, pbError); |
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} |
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} |
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|
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closedir(d); |
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} |
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|
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static void collectWavFiles(set<string>& result, string path, bool bRecurse, bool* pbError = NULL) { |
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struct stat s; |
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if (stat(path.c_str(), &s)) { |
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if (pbError) *pbError = true; |
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cerr << strerror(errno) << " : '" << path << "'" << endl; |
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return; |
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} |
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if (S_ISREG(s.st_mode) && isWavFileName(path) && isValidWavFile(path)) { |
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result.insert(path); |
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} else if (S_ISDIR(s.st_mode)) { |
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collectWavFilesOfDir(result, path, bRecurse, pbError); |
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} else { |
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if (pbError) *pbError = true; |
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cerr << "Neither a regular (.wav) file nor directory : '" << path << "'" << endl; |
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} |
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} |
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|
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struct WavInfo { |
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string fileName; |
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int note; |
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int velocity; |
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SF_INFO sfinfo; |
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string noteName; |
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string name1; |
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string name2; |
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SF_INSTRUMENT sfinst; |
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bool hasSfInst; |
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|
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bool isStereo() const { return sfinfo.channels == 2; } |
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|
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string outputSampleName() const { |
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return name1 + "_" + noteName + "_" + ToString(velocity); |
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} |
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|
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void assertValid() const { |
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if (note < 0 || note > 127) { |
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cerr << "ERROR: note number " << note << " of \"" << fileName << "\" is invalid!" << endl; |
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exit(EXIT_FAILURE); |
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} |
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if (velocity < 0 || velocity > 127) { |
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cerr << "ERROR: velocity number " << velocity << " of \"" << fileName << "\" is invalid!" << endl; |
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exit(EXIT_FAILURE); |
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} |
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} |
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}; |
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|
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class WavRegion : public map<int,WavInfo> { |
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public: |
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typedef map<int,WavInfo> base_t; |
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|
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// WavRegion () : |
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// map<int,WavInfo>() |
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// { |
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// } |
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// |
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// WavRegion (const WavRegion& x) : |
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// map<int,WavInfo>(x) |
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// { |
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// } |
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// |
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// WavRegion& operator= (const WavRegion& x) { |
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// base_t::operator=(x); |
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// return *this; |
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// } |
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|
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bool isStereo() const { |
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for (const auto& it : *this) |
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if (it.second.isStereo()) |
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return true; |
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return false; |
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} |
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}; |
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|
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typedef map<int,WavRegion> WavInstrument; |
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|
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static WavInfo getWavInfo(string filename) { |
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WavInfo wav; |
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wav.fileName = filename; |
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wav.sfinfo = {}; |
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{ |
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SNDFILE* hFile = sf_open(filename.c_str(), SFM_READ, &wav.sfinfo); |
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if (!hFile) { |
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cerr << "Could not open input wav file \"" << filename << "\"" << endl; |
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exit(EXIT_FAILURE); |
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} |
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wav.hasSfInst = (sf_command(hFile, SFC_GET_INSTRUMENT, |
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&wav.sfinst, sizeof(wav.sfinst)) != SF_FALSE); |
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sf_close(hFile); |
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switch (wav.sfinfo.channels) { |
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case 1: |
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case 2: |
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break; |
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default: |
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cerr << int(wav.sfinfo.channels) << " audio channels in WAV file \"" << filename << "\"; this is not supported!" << endl; |
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exit(EXIT_FAILURE); |
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} |
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} |
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{ |
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regex rx( |
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"^([^-]+) - " // name 1 (e.g. "BSTEIN18") |
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"([^-]+) - " // name 2 (e.g. "noname") |
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"([^-]+) - " // velocity value (e.g. "18") |
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"([^-]+) - " // note number (e.g. "021") |
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"([^.]+)" // note name (e.g. "a-1") |
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); |
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smatch m; |
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regex_search(filename, m, rx); |
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if (m.size() < 5) { |
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cerr << "Invalid file name format: \"" << filename << "\"!" << endl; |
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exit(EXIT_FAILURE); |
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} |
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wav.name1 = m[1]; |
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string sVelocity = m[3]; |
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wav.velocity = atoi(sVelocity.c_str()); |
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string sNote = m[4]; |
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wav.note = atoi(sNote.c_str()); |
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wav.name2 = m[2]; |
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wav.noteName = m[5]; |
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} |
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return wav; |
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} |
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|
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inline int getDimensionIndex(gig::Region* region, gig::dimension_t type) { |
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for (int d = 0; d < region->Dimensions; ++d) |
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if (region->pDimensionDefinitions[d].dimension == type) |
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return d; |
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return -1; |
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} |
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|
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static gig::Sample* createSample(gig::File* gig, WavInfo* wav) { |
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gig::Sample* s = gig->AddSample(); |
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|
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s->pInfo->Name = wav->outputSampleName(); |
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s->Channels = wav->sfinfo.channels; |
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s->SamplesPerSecond = wav->sfinfo.samplerate; |
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|
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switch (wav->sfinfo.format & 0xff) { |
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case SF_FORMAT_PCM_S8: |
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case SF_FORMAT_PCM_16: |
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case SF_FORMAT_PCM_U8: |
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s->BitDepth = 16; |
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break; |
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case SF_FORMAT_PCM_24: |
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case SF_FORMAT_PCM_32: |
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case SF_FORMAT_FLOAT: |
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case SF_FORMAT_DOUBLE: |
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s->BitDepth = 24; |
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break; |
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default: |
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throw gig::Exception("format not supported"); |
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} |
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|
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s->FrameSize = s->Channels * s->BitDepth / 8; |
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if (wav->hasSfInst) { |
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s->MIDIUnityNote = wav->sfinst.basenote; |
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s->FineTune = wav->sfinst.detune; |
| 349 |
if (wav->sfinst.loop_count && wav->sfinst.loops[0].mode != SF_LOOP_NONE) { |
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s->Loops = 1; |
| 351 |
switch (wav->sfinst.loops[0].mode) { |
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case SF_LOOP_FORWARD: |
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s->LoopType = gig::loop_type_normal; |
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break; |
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case SF_LOOP_BACKWARD: |
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s->LoopType = gig::loop_type_backward; |
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break; |
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case SF_LOOP_ALTERNATING: |
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s->LoopType = gig::loop_type_bidirectional; |
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break; |
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} |
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s->LoopStart = wav->sfinst.loops[0].start; |
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s->LoopEnd = wav->sfinst.loops[0].end; |
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s->LoopPlayCount = wav->sfinst.loops[0].count; |
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s->LoopSize = s->LoopEnd - s->LoopStart + 1; |
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} |
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} else { |
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s->MIDIUnityNote = wav->note; |
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} |
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|
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// schedule for resize (will be performed when gig->Save() is called) |
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s->Resize(wav->sfinfo.frames); |
| 373 |
|
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return s; |
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} |
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|
| 377 |
int main(int argc, char *argv[]) { |
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bool bForce = false; |
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bool bRecursive = false; |
| 380 |
|
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// validate & parse arguments provided to this program |
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int iArg; |
| 383 |
for (iArg = 1; iArg < argc; ++iArg) { |
| 384 |
const string opt = argv[iArg]; |
| 385 |
if (opt == "--") { // common for all command line tools: separator between initial option arguments and subsequent file arguments |
| 386 |
iArg++; |
| 387 |
break; |
| 388 |
} |
| 389 |
if (opt.substr(0, 1) != "-") break; |
| 390 |
|
| 391 |
if (opt == "-v") { |
| 392 |
printVersion(); |
| 393 |
return EXIT_SUCCESS; |
| 394 |
} else if (opt == "-f") { |
| 395 |
bForce = true; |
| 396 |
} else if (opt == "-r") { |
| 397 |
bRecursive = true; |
| 398 |
} else { |
| 399 |
cerr << "Unknown option '" << opt << "'" << endl; |
| 400 |
cerr << endl; |
| 401 |
printUsage(); |
| 402 |
return EXIT_FAILURE; |
| 403 |
} |
| 404 |
} |
| 405 |
if (argc < 3) { |
| 406 |
printUsage(); |
| 407 |
return EXIT_FAILURE; |
| 408 |
} |
| 409 |
|
| 410 |
set<string> inNames; // may be file names and/or dir names |
| 411 |
string outFileName; |
| 412 |
|
| 413 |
// all options have been processed, all subsequent args should be file/dir arguments |
| 414 |
for (int i = 0; iArg < argc; ++iArg, ++i) { |
| 415 |
if (i == 0) { |
| 416 |
outFileName = argv[iArg]; |
| 417 |
} else { |
| 418 |
inNames.insert(argv[iArg]); |
| 419 |
} |
| 420 |
} |
| 421 |
if (outFileName.empty()) { |
| 422 |
cerr << "You must provide one output file (.gig format)!" << endl; |
| 423 |
return EXIT_FAILURE; |
| 424 |
} |
| 425 |
if (inNames.empty()) { |
| 426 |
cerr << "You must provide at least one input WAV file or directory!" << endl; |
| 427 |
return EXIT_FAILURE; |
| 428 |
} |
| 429 |
if (!isGigFileName(outFileName)) { |
| 430 |
cerr << "Provided output file name should end with \".gig\"!" << endl; |
| 431 |
return EXIT_FAILURE; |
| 432 |
} |
| 433 |
|
| 434 |
// now collect the actual list of input WAV files |
| 435 |
set<string> wavFileNames; |
| 436 |
cout << "Scanning for input WAV files ... " << flush; |
| 437 |
for (set<string>::const_iterator it = inNames.begin(); |
| 438 |
it != inNames.end(); ++it) |
| 439 |
{ |
| 440 |
bool error = false; |
| 441 |
collectWavFiles(wavFileNames, *it, bRecursive, &error); |
| 442 |
if (error) return EXIT_FAILURE; |
| 443 |
} |
| 444 |
if (wavFileNames.empty()) { |
| 445 |
cerr << "No input WAV file provided (or found)!" << endl; |
| 446 |
return EXIT_FAILURE; |
| 447 |
} |
| 448 |
cout << "(" << int(wavFileNames.size()) << " found).\n"; |
| 449 |
|
| 450 |
// check if output file already exists |
| 451 |
if (fileExists(outFileName)) { |
| 452 |
if (bForce) deleteFile(outFileName); |
| 453 |
else { |
| 454 |
cerr << "Output file '" << outFileName << "' already exists. Use -f to overwrite it." << endl; |
| 455 |
return EXIT_FAILURE; |
| 456 |
} |
| 457 |
} |
| 458 |
|
| 459 |
// order all input wav files into regions and velocity splits |
| 460 |
WavInstrument wavInstrument; |
| 461 |
cout << "Preprocessing input WAV files by their names ... " << flush; |
| 462 |
for (set<string>::const_iterator it = wavFileNames.begin(); |
| 463 |
it != wavFileNames.end(); ++it) |
| 464 |
{ |
| 465 |
WavInfo wavInfo = getWavInfo(*it); |
| 466 |
wavInfo.assertValid(); // make sure collected informations are OK |
| 467 |
if (wavInstrument[wavInfo.note].count(wavInfo.velocity)) { |
| 468 |
cerr << "Velocity conflict between file '" << wavInfo.fileName |
| 469 |
<< "' and file '" << wavInstrument[wavInfo.note][wavInfo.velocity].fileName << "'!" << endl; |
| 470 |
return EXIT_FAILURE; |
| 471 |
} |
| 472 |
wavInstrument[wavInfo.note][wavInfo.velocity] = wavInfo; |
| 473 |
} |
| 474 |
if (wavInstrument.empty()) { |
| 475 |
cerr << "After sorting the WAV files around, there is no single WAV left to create a GIG file with!" << endl; |
| 476 |
return EXIT_FAILURE; |
| 477 |
} |
| 478 |
cout << "OK\n"; |
| 479 |
|
| 480 |
// create and assemble a new .gig file as output |
| 481 |
try { |
| 482 |
cout << "Creating new gig file and one new gig instrument ... " << flush; |
| 483 |
|
| 484 |
// start with an empty .gig file |
| 485 |
gig::File gig; |
| 486 |
|
| 487 |
gig::Instrument* instr = gig.AddInstrument(); |
| 488 |
instr->pInfo->Name = "Unnamed by wav2gig"; |
| 489 |
|
| 490 |
cout << "OK\n"; |
| 491 |
|
| 492 |
map<gig::Sample*,WavInfo> queuedSamples; |
| 493 |
|
| 494 |
cout << "Assembling new gig instrument with interpreted multi sample structure ... " << flush; |
| 495 |
for (auto& itWavRgn : wavInstrument) { |
| 496 |
const int note = itWavRgn.first; |
| 497 |
WavRegion& wavRgn = itWavRgn.second; |
| 498 |
|
| 499 |
gig::Region* gigRegion = instr->AddRegion(); |
| 500 |
gigRegion->SetKeyRange(note/*low*/, note/*high*/); |
| 501 |
|
| 502 |
if (wavRgn.isStereo()) { |
| 503 |
gig::dimension_def_t dim; |
| 504 |
dim.dimension = gig::dimension_samplechannel; |
| 505 |
dim.bits = 1; // 2^(1) = 2 |
| 506 |
dim.zones = 2; // stereo = 2 audio channels = 2 split zones |
| 507 |
gigRegion->AddDimension(&dim); |
| 508 |
} |
| 509 |
|
| 510 |
if (wavRgn.size() > 1) { |
| 511 |
gig::dimension_def_t dim; |
| 512 |
dim.dimension = gig::dimension_velocity; |
| 513 |
dim.zones = wavRgn.size(); |
| 514 |
// Find the number of bits required to hold the |
| 515 |
// specified amount of zones. |
| 516 |
int zoneBits = dim.zones - 1; |
| 517 |
for (dim.bits = 0; zoneBits > 1; dim.bits += 2, zoneBits >>= 2); |
| 518 |
dim.bits += zoneBits; |
| 519 |
gigRegion->AddDimension(&dim); |
| 520 |
} |
| 521 |
|
| 522 |
const int iStereoDimensionIndex = getDimensionIndex(gigRegion, gig::dimension_samplechannel); |
| 523 |
const int iVelocityDimensionIndex = getDimensionIndex(gigRegion, gig::dimension_velocity); |
| 524 |
|
| 525 |
int iVelocitySplitZone = 0; |
| 526 |
for (auto& itWav : wavRgn) { |
| 527 |
const int velocity = itWav.first; |
| 528 |
WavInfo& wav = itWav.second; |
| 529 |
gig::Sample* gigSample = createSample(&gig, &wav); |
| 530 |
queuedSamples[gigSample] = wav; |
| 531 |
|
| 532 |
uint8_t iDimBits[8] = {}; |
| 533 |
|
| 534 |
for (int iAudioChannel = 0; iAudioChannel < (wavRgn.isStereo() ? 2 : 1); ++iAudioChannel) { |
| 535 |
|
| 536 |
// if region has velocity splits, select the respective velocity split zone |
| 537 |
if (wavRgn.size() > 1) { |
| 538 |
if (iVelocityDimensionIndex < 0) |
| 539 |
throw gig::Exception("Could not resolve velocity dimension index"); |
| 540 |
iDimBits[iVelocityDimensionIndex] = iVelocitySplitZone; |
| 541 |
} |
| 542 |
|
| 543 |
// select dimension bit for this stereo dimension split |
| 544 |
if (iAudioChannel > 0) { |
| 545 |
if (iStereoDimensionIndex < 0) |
| 546 |
throw gig::Exception("Could not resolve stereo dimension index"); |
| 547 |
iDimBits[iStereoDimensionIndex] = 1; |
| 548 |
} |
| 549 |
|
| 550 |
gig::DimensionRegion* dimRgn = gigRegion->GetDimensionRegionByBit(iDimBits); |
| 551 |
if (!dimRgn) |
| 552 |
throw gig::Exception("Internal error: Could not resolve Dimension Region"); |
| 553 |
|
| 554 |
// if this is a velocity split, apply the precise velocity split range values |
| 555 |
if (wavRgn.size() > 1) { |
| 556 |
dimRgn->VelocityUpperLimit = velocity; // gig v2 |
| 557 |
dimRgn->DimensionUpperLimits[iVelocityDimensionIndex] = velocity; // gig v3 and above |
| 558 |
} |
| 559 |
|
| 560 |
dimRgn->pSample = gigSample; |
| 561 |
if (gigSample) { |
| 562 |
dimRgn->UnityNote = gigSample->MIDIUnityNote; |
| 563 |
if (gigSample->Loops) { |
| 564 |
DLS::sample_loop_t loop; |
| 565 |
loop.Size = sizeof(loop); |
| 566 |
loop.LoopType = gigSample->LoopType; |
| 567 |
loop.LoopStart = gigSample->LoopStart; |
| 568 |
loop.LoopLength = gigSample->LoopEnd - gigSample->LoopStart; |
| 569 |
dimRgn->AddSampleLoop(&loop); |
| 570 |
} |
| 571 |
} |
| 572 |
|
| 573 |
dimRgn->FineTune = gigSample->FineTune; |
| 574 |
} |
| 575 |
|
| 576 |
iVelocitySplitZone++; |
| 577 |
} |
| 578 |
} |
| 579 |
cout << "OK\n"; |
| 580 |
|
| 581 |
cout << "Saving initial gig file layout ... " << flush; |
| 582 |
// save result to disk (as .gig file) |
| 583 |
gig.Save(outFileName); |
| 584 |
cout << "OK\n"; |
| 585 |
|
| 586 |
cout << "Copying audio sample data ... " << flush; |
| 587 |
// finally write the actual wav sample data directly to the created gig file |
| 588 |
for (auto& itSmpl : queuedSamples) { |
| 589 |
gig::Sample* gigSample = itSmpl.first; |
| 590 |
WavInfo& wav = itSmpl.second; |
| 591 |
|
| 592 |
SF_INFO info = {}; |
| 593 |
SNDFILE* hFile = sf_open(wav.fileName.c_str(), SFM_READ, &info); |
| 594 |
sf_command(hFile, SFC_SET_SCALE_FLOAT_INT_READ, 0, SF_TRUE); |
| 595 |
if (!hFile) throw gig::Exception("could not open file"); |
| 596 |
// determine sample's bit depth |
| 597 |
int bitdepth; |
| 598 |
switch (info.format & 0xff) { |
| 599 |
case SF_FORMAT_PCM_S8: |
| 600 |
case SF_FORMAT_PCM_16: |
| 601 |
case SF_FORMAT_PCM_U8: |
| 602 |
bitdepth = 16; |
| 603 |
break; |
| 604 |
case SF_FORMAT_PCM_24: |
| 605 |
case SF_FORMAT_PCM_32: |
| 606 |
case SF_FORMAT_FLOAT: |
| 607 |
case SF_FORMAT_DOUBLE: |
| 608 |
bitdepth = 24; |
| 609 |
break; |
| 610 |
default: |
| 611 |
sf_close(hFile); // close sound file |
| 612 |
throw gig::Exception("format not supported"); |
| 613 |
} |
| 614 |
|
| 615 |
const int bufsize = 10000; |
| 616 |
switch (bitdepth) { |
| 617 |
case 16: { |
| 618 |
short* buffer = new short[bufsize * info.channels]; |
| 619 |
sf_count_t cnt = info.frames; |
| 620 |
while (cnt) { |
| 621 |
// libsndfile does the conversion for us (if needed) |
| 622 |
int n = sf_readf_short(hFile, buffer, bufsize); |
| 623 |
// write from buffer directly (physically) into .gig file |
| 624 |
gigSample->Write(buffer, n); |
| 625 |
cnt -= n; |
| 626 |
} |
| 627 |
delete[] buffer; |
| 628 |
break; |
| 629 |
} |
| 630 |
case 24: { |
| 631 |
int* srcbuf = new int[bufsize * info.channels]; |
| 632 |
uint8_t* dstbuf = new uint8_t[bufsize * 3 * info.channels]; |
| 633 |
sf_count_t cnt = info.frames; |
| 634 |
while (cnt) { |
| 635 |
// libsndfile returns 32 bits, convert to 24 |
| 636 |
int n = sf_readf_int(hFile, srcbuf, bufsize); |
| 637 |
int j = 0; |
| 638 |
for (int i = 0 ; i < n * info.channels ; i++) { |
| 639 |
dstbuf[j++] = srcbuf[i] >> 8; |
| 640 |
dstbuf[j++] = srcbuf[i] >> 16; |
| 641 |
dstbuf[j++] = srcbuf[i] >> 24; |
| 642 |
} |
| 643 |
// write from buffer directly (physically) into .gig file |
| 644 |
gigSample->Write(dstbuf, n); |
| 645 |
cnt -= n; |
| 646 |
} |
| 647 |
delete[] srcbuf; |
| 648 |
delete[] dstbuf; |
| 649 |
break; |
| 650 |
} |
| 651 |
} |
| 652 |
sf_close(hFile); |
| 653 |
} |
| 654 |
cout << "OK\n"; |
| 655 |
|
| 656 |
} catch (RIFF::Exception e) { |
| 657 |
cerr << "Failed generating output file:" << endl; |
| 658 |
e.PrintMessage(); |
| 659 |
return EXIT_FAILURE; |
| 660 |
} catch (...) { |
| 661 |
cerr << "Unknown exception while trying to assemble output file." << endl; |
| 662 |
return EXIT_FAILURE; |
| 663 |
} |
| 664 |
|
| 665 |
return EXIT_SUCCESS; |
| 666 |
} |
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