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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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#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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schoenebeck |
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#include <regex> |
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#if !defined(WIN32) |
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# include <unistd.h> |
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#endif |
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#include "../gig.h" |
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#include "../helper.h" // for ToString() |
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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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// 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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#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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#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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using namespace std; |
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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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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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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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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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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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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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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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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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// 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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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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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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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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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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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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const string fullName = path + DIR_SEPARATOR + e->d_name; |
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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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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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closedir(d); |
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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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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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bool isStereo() const { return sfinfo.channels == 2; } |
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string outputSampleName() const { |
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return name1 + "_" + noteName + "_" + ToString(velocity); |
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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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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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// 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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// } |
257 |
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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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typedef map<int,WavRegion> WavInstrument; |
267 |
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268 |
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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); |
277 |
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} |
278 |
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wav.hasSfInst = (sf_command(hFile, SFC_GET_INSTRUMENT, |
279 |
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&wav.sfinst, sizeof(wav.sfinst)) != SF_FALSE); |
280 |
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sf_close(hFile); |
281 |
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switch (wav.sfinfo.channels) { |
282 |
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case 1: |
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case 2: |
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break; |
285 |
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default: |
286 |
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cerr << int(wav.sfinfo.channels) << " audio channels in WAV file \"" << filename << "\"; this is not supported!" << endl; |
287 |
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exit(EXIT_FAILURE); |
288 |
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} |
289 |
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} |
290 |
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{ |
291 |
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regex rx( |
292 |
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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") |
297 |
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); |
298 |
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smatch m; |
299 |
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regex_search(filename, m, rx); |
300 |
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if (m.size() < 5) { |
301 |
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cerr << "Invalid file name format: \"" << filename << "\"!" << endl; |
302 |
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exit(EXIT_FAILURE); |
303 |
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} |
304 |
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wav.name1 = m[1]; |
305 |
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string sVelocity = m[3]; |
306 |
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wav.velocity = atoi(sVelocity.c_str()); |
307 |
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string sNote = m[4]; |
308 |
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wav.note = atoi(sNote.c_str()); |
309 |
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wav.name2 = m[2]; |
310 |
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wav.noteName = m[5]; |
311 |
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} |
312 |
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return wav; |
313 |
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} |
314 |
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315 |
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inline int getDimensionIndex(gig::Region* region, gig::dimension_t type) { |
316 |
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for (int d = 0; d < region->Dimensions; ++d) |
317 |
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if (region->pDimensionDefinitions[d].dimension == type) |
318 |
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return d; |
319 |
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return -1; |
320 |
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} |
321 |
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322 |
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static gig::Sample* createSample(gig::File* gig, WavInfo* wav) { |
323 |
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gig::Sample* s = gig->AddSample(); |
324 |
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325 |
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s->pInfo->Name = wav->outputSampleName(); |
326 |
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s->Channels = wav->sfinfo.channels; |
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s->SamplesPerSecond = wav->sfinfo.samplerate; |
328 |
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329 |
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switch (wav->sfinfo.format & 0xff) { |
330 |
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case SF_FORMAT_PCM_S8: |
331 |
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case SF_FORMAT_PCM_16: |
332 |
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case SF_FORMAT_PCM_U8: |
333 |
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s->BitDepth = 16; |
334 |
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break; |
335 |
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case SF_FORMAT_PCM_24: |
336 |
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case SF_FORMAT_PCM_32: |
337 |
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case SF_FORMAT_FLOAT: |
338 |
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case SF_FORMAT_DOUBLE: |
339 |
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s->BitDepth = 24; |
340 |
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break; |
341 |
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default: |
342 |
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throw gig::Exception("format not supported"); |
343 |
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} |
344 |
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345 |
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s->FrameSize = s->Channels * s->BitDepth / 8; |
346 |
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if (wav->hasSfInst) { |
347 |
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s->MIDIUnityNote = wav->sfinst.basenote; |
348 |
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s->FineTune = wav->sfinst.detune; |
349 |
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if (wav->sfinst.loop_count && wav->sfinst.loops[0].mode != SF_LOOP_NONE) { |
350 |
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s->Loops = 1; |
351 |
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switch (wav->sfinst.loops[0].mode) { |
352 |
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case SF_LOOP_FORWARD: |
353 |
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s->LoopType = gig::loop_type_normal; |
354 |
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break; |
355 |
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case SF_LOOP_BACKWARD: |
356 |
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s->LoopType = gig::loop_type_backward; |
357 |
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break; |
358 |
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case SF_LOOP_ALTERNATING: |
359 |
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s->LoopType = gig::loop_type_bidirectional; |
360 |
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break; |
361 |
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} |
362 |
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s->LoopStart = wav->sfinst.loops[0].start; |
363 |
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s->LoopEnd = wav->sfinst.loops[0].end; |
364 |
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s->LoopPlayCount = wav->sfinst.loops[0].count; |
365 |
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s->LoopSize = s->LoopEnd - s->LoopStart + 1; |
366 |
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} |
367 |
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} |
368 |
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|
369 |
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// schedule for resize (will be performed when gig->Save() is called) |
370 |
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s->Resize(wav->sfinfo.frames); |
371 |
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|
372 |
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return s; |
373 |
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} |
374 |
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|
375 |
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int main(int argc, char *argv[]) { |
376 |
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bool bForce = false; |
377 |
|
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bool bRecursive = false; |
378 |
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|
379 |
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// validate & parse arguments provided to this program |
380 |
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int iArg; |
381 |
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for (iArg = 1; iArg < argc; ++iArg) { |
382 |
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const string opt = argv[iArg]; |
383 |
|
|
if (opt == "--") { // common for all command line tools: separator between initial option arguments and subsequent file arguments |
384 |
|
|
iArg++; |
385 |
|
|
break; |
386 |
|
|
} |
387 |
|
|
if (opt.substr(0, 1) != "-") break; |
388 |
|
|
|
389 |
|
|
if (opt == "-v") { |
390 |
|
|
printVersion(); |
391 |
|
|
return EXIT_SUCCESS; |
392 |
|
|
} else if (opt == "-f") { |
393 |
|
|
bForce = true; |
394 |
|
|
} else if (opt == "-r") { |
395 |
|
|
bRecursive = true; |
396 |
|
|
} else { |
397 |
|
|
cerr << "Unknown option '" << opt << "'" << endl; |
398 |
|
|
cerr << endl; |
399 |
|
|
printUsage(); |
400 |
|
|
return EXIT_FAILURE; |
401 |
|
|
} |
402 |
|
|
} |
403 |
|
|
if (argc < 3) { |
404 |
|
|
printUsage(); |
405 |
|
|
return EXIT_FAILURE; |
406 |
|
|
} |
407 |
|
|
|
408 |
|
|
set<string> inNames; // may be file names and/or dir names |
409 |
|
|
string outFileName; |
410 |
|
|
|
411 |
|
|
// all options have been processed, all subsequent args should be file/dir arguments |
412 |
|
|
for (int i = 0; iArg < argc; ++iArg, ++i) { |
413 |
|
|
if (i == 0) { |
414 |
|
|
outFileName = argv[iArg]; |
415 |
|
|
} else { |
416 |
|
|
inNames.insert(argv[iArg]); |
417 |
|
|
} |
418 |
|
|
} |
419 |
|
|
if (outFileName.empty()) { |
420 |
|
|
cerr << "You must provide one output file (.gig format)!" << endl; |
421 |
|
|
return EXIT_FAILURE; |
422 |
|
|
} |
423 |
|
|
if (inNames.empty()) { |
424 |
|
|
cerr << "You must provide at least one input WAV file or directory!" << endl; |
425 |
|
|
return EXIT_FAILURE; |
426 |
|
|
} |
427 |
|
|
if (!isGigFileName(outFileName)) { |
428 |
|
|
cerr << "Provided output file name should end with \".gig\"!" << endl; |
429 |
|
|
return EXIT_FAILURE; |
430 |
|
|
} |
431 |
|
|
|
432 |
|
|
// now collect the actual list of input WAV files |
433 |
|
|
set<string> wavFileNames; |
434 |
|
|
cout << "Scanning for input WAV files ... " << flush; |
435 |
|
|
for (set<string>::const_iterator it = inNames.begin(); |
436 |
|
|
it != inNames.end(); ++it) |
437 |
|
|
{ |
438 |
|
|
bool error = false; |
439 |
|
|
collectWavFiles(wavFileNames, *it, bRecursive, &error); |
440 |
|
|
if (error) return EXIT_FAILURE; |
441 |
|
|
} |
442 |
|
|
if (wavFileNames.empty()) { |
443 |
|
|
cerr << "No input WAV file provided (or found)!" << endl; |
444 |
|
|
return EXIT_FAILURE; |
445 |
|
|
} |
446 |
|
|
cout << "(" << int(wavFileNames.size()) << " found).\n"; |
447 |
|
|
|
448 |
|
|
// check if output file already exists |
449 |
|
|
if (fileExists(outFileName)) { |
450 |
|
|
if (bForce) deleteFile(outFileName); |
451 |
|
|
else { |
452 |
|
|
cerr << "Output file '" << outFileName << "' already exists. Use -f to overwrite it." << endl; |
453 |
|
|
return EXIT_FAILURE; |
454 |
|
|
} |
455 |
|
|
} |
456 |
|
|
|
457 |
|
|
// order all input wav files into regions and velocity splits |
458 |
|
|
WavInstrument wavInstrument; |
459 |
|
|
cout << "Preprocessing input WAV files by their names ... " << flush; |
460 |
|
|
for (set<string>::const_iterator it = wavFileNames.begin(); |
461 |
|
|
it != wavFileNames.end(); ++it) |
462 |
|
|
{ |
463 |
|
|
WavInfo wavInfo = getWavInfo(*it); |
464 |
|
|
wavInfo.assertValid(); // make sure collected informations are OK |
465 |
|
|
if (wavInstrument[wavInfo.note].count(wavInfo.velocity)) { |
466 |
|
|
cerr << "Velocity conflict between file '" << wavInfo.fileName |
467 |
|
|
<< "' and file '" << wavInstrument[wavInfo.note][wavInfo.velocity].fileName << "'!" << endl; |
468 |
|
|
return EXIT_FAILURE; |
469 |
|
|
} |
470 |
|
|
wavInstrument[wavInfo.note][wavInfo.velocity] = wavInfo; |
471 |
|
|
} |
472 |
|
|
if (wavInstrument.empty()) { |
473 |
|
|
cerr << "After sorting the WAV files around, there is no single WAV left to create a GIG file with!" << endl; |
474 |
|
|
return EXIT_FAILURE; |
475 |
|
|
} |
476 |
|
|
cout << "OK\n"; |
477 |
|
|
|
478 |
|
|
// create and assemble a new .gig file as output |
479 |
|
|
try { |
480 |
|
|
cout << "Creating new gig file and one new gig instrument ... " << flush; |
481 |
|
|
|
482 |
|
|
// start with an empty .gig file |
483 |
|
|
gig::File gig; |
484 |
|
|
|
485 |
|
|
gig::Instrument* instr = gig.AddInstrument(); |
486 |
|
|
instr->pInfo->Name = "Unnamed by wav2gig"; |
487 |
|
|
|
488 |
|
|
cout << "OK\n"; |
489 |
|
|
|
490 |
|
|
map<gig::Sample*,WavInfo> queuedSamples; |
491 |
|
|
|
492 |
|
|
cout << "Assembling new gig instrument with interpreted multi sample structure ... " << flush; |
493 |
|
|
for (auto& itWavRgn : wavInstrument) { |
494 |
|
|
const int note = itWavRgn.first; |
495 |
|
|
WavRegion& wavRgn = itWavRgn.second; |
496 |
|
|
|
497 |
|
|
gig::Region* gigRegion = instr->AddRegion(); |
498 |
|
|
gigRegion->SetKeyRange(note/*low*/, note/*high*/); |
499 |
|
|
|
500 |
|
|
if (wavRgn.isStereo()) { |
501 |
|
|
gig::dimension_def_t dim; |
502 |
|
|
dim.dimension = gig::dimension_samplechannel; |
503 |
|
|
dim.bits = 1; // 2^(1) = 2 |
504 |
|
|
dim.zones = 2; // stereo = 2 audio channels = 2 split zones |
505 |
|
|
gigRegion->AddDimension(&dim); |
506 |
|
|
} |
507 |
|
|
|
508 |
|
|
if (wavRgn.size() > 1) { |
509 |
|
|
gig::dimension_def_t dim; |
510 |
|
|
dim.dimension = gig::dimension_velocity; |
511 |
|
|
dim.zones = wavRgn.size(); |
512 |
|
|
// Find the number of bits required to hold the |
513 |
|
|
// specified amount of zones. |
514 |
|
|
int zoneBits = dim.zones - 1; |
515 |
|
|
for (dim.bits = 0; zoneBits > 1; dim.bits += 2, zoneBits >>= 2); |
516 |
|
|
dim.bits += zoneBits; |
517 |
|
|
gigRegion->AddDimension(&dim); |
518 |
|
|
} |
519 |
|
|
|
520 |
|
|
const int iStereoDimensionIndex = getDimensionIndex(gigRegion, gig::dimension_samplechannel); |
521 |
|
|
const int iVelocityDimensionIndex = getDimensionIndex(gigRegion, gig::dimension_velocity); |
522 |
|
|
|
523 |
|
|
int iVelocitySplitZone = 0; |
524 |
|
|
for (auto& itWav : wavRgn) { |
525 |
|
|
const int velocity = itWav.first; |
526 |
|
|
WavInfo& wav = itWav.second; |
527 |
|
|
gig::Sample* gigSample = createSample(&gig, &wav); |
528 |
|
|
queuedSamples[gigSample] = wav; |
529 |
|
|
|
530 |
|
|
uint8_t iDimBits[8] = {}; |
531 |
|
|
|
532 |
|
|
for (int iAudioChannel = 0; iAudioChannel < (wavRgn.isStereo() ? 2 : 1); ++iAudioChannel) { |
533 |
|
|
|
534 |
|
|
// if region has velocity splits, select the respective velocity split zone |
535 |
|
|
if (wavRgn.size() > 1) { |
536 |
|
|
if (iVelocityDimensionIndex < 0) |
537 |
|
|
throw gig::Exception("Could not resolve velocity dimension index"); |
538 |
|
|
iDimBits[iVelocityDimensionIndex] = iVelocitySplitZone; |
539 |
|
|
} |
540 |
|
|
|
541 |
|
|
// select dimension bit for this stereo dimension split |
542 |
|
|
if (iAudioChannel > 0) { |
543 |
|
|
if (iStereoDimensionIndex < 0) |
544 |
|
|
throw gig::Exception("Could not resolve stereo dimension index"); |
545 |
|
|
iDimBits[iStereoDimensionIndex] = 1; |
546 |
|
|
} |
547 |
|
|
|
548 |
|
|
gig::DimensionRegion* dimRgn = gigRegion->GetDimensionRegionByBit(iDimBits); |
549 |
|
|
if (!dimRgn) |
550 |
|
|
throw gig::Exception("Internal error: Could not resolve Dimension Region"); |
551 |
|
|
|
552 |
|
|
// if this is a velocity split, apply the precise velocity split range values |
553 |
|
|
if (wavRgn.size() > 1) { |
554 |
|
|
dimRgn->VelocityUpperLimit = velocity; // gig v2 |
555 |
|
|
dimRgn->DimensionUpperLimits[iVelocityDimensionIndex] = velocity; // gig v3 and above |
556 |
|
|
} |
557 |
|
|
|
558 |
|
|
dimRgn->pSample = gigSample; |
559 |
|
|
if (gigSample) { |
560 |
|
|
dimRgn->UnityNote = gigSample->MIDIUnityNote; |
561 |
|
|
if (gigSample->Loops) { |
562 |
|
|
DLS::sample_loop_t loop; |
563 |
|
|
loop.Size = sizeof(loop); |
564 |
|
|
loop.LoopType = gigSample->LoopType; |
565 |
|
|
loop.LoopStart = gigSample->LoopStart; |
566 |
|
|
loop.LoopLength = gigSample->LoopEnd - gigSample->LoopStart; |
567 |
|
|
dimRgn->AddSampleLoop(&loop); |
568 |
|
|
} |
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
dimRgn->FineTune = gigSample->FineTune; |
572 |
|
|
} |
573 |
|
|
|
574 |
|
|
iVelocitySplitZone++; |
575 |
|
|
} |
576 |
|
|
} |
577 |
|
|
cout << "OK\n"; |
578 |
|
|
|
579 |
|
|
cout << "Saving initial gig file layout ... " << flush; |
580 |
|
|
// save result to disk (as .gig file) |
581 |
|
|
gig.Save(outFileName); |
582 |
|
|
cout << "OK\n"; |
583 |
|
|
|
584 |
|
|
cout << "Copying audio sample data ... " << flush; |
585 |
|
|
// finally write the actual wav sample data directly to the created gig file |
586 |
|
|
for (auto& itSmpl : queuedSamples) { |
587 |
|
|
gig::Sample* gigSample = itSmpl.first; |
588 |
|
|
WavInfo& wav = itSmpl.second; |
589 |
|
|
|
590 |
|
|
SF_INFO info = {}; |
591 |
|
|
SNDFILE* hFile = sf_open(wav.fileName.c_str(), SFM_READ, &info); |
592 |
|
|
sf_command(hFile, SFC_SET_SCALE_FLOAT_INT_READ, 0, SF_TRUE); |
593 |
|
|
if (!hFile) throw gig::Exception("could not open file"); |
594 |
|
|
// determine sample's bit depth |
595 |
|
|
int bitdepth; |
596 |
|
|
switch (info.format & 0xff) { |
597 |
|
|
case SF_FORMAT_PCM_S8: |
598 |
|
|
case SF_FORMAT_PCM_16: |
599 |
|
|
case SF_FORMAT_PCM_U8: |
600 |
|
|
bitdepth = 16; |
601 |
|
|
break; |
602 |
|
|
case SF_FORMAT_PCM_24: |
603 |
|
|
case SF_FORMAT_PCM_32: |
604 |
|
|
case SF_FORMAT_FLOAT: |
605 |
|
|
case SF_FORMAT_DOUBLE: |
606 |
|
|
bitdepth = 24; |
607 |
|
|
break; |
608 |
|
|
default: |
609 |
|
|
sf_close(hFile); // close sound file |
610 |
|
|
throw gig::Exception("format not supported"); |
611 |
|
|
} |
612 |
|
|
|
613 |
|
|
const int bufsize = 10000; |
614 |
|
|
switch (bitdepth) { |
615 |
|
|
case 16: { |
616 |
|
|
short* buffer = new short[bufsize * info.channels]; |
617 |
|
|
sf_count_t cnt = info.frames; |
618 |
|
|
while (cnt) { |
619 |
|
|
// libsndfile does the conversion for us (if needed) |
620 |
|
|
int n = sf_readf_short(hFile, buffer, bufsize); |
621 |
|
|
// write from buffer directly (physically) into .gig file |
622 |
|
|
gigSample->Write(buffer, n); |
623 |
|
|
cnt -= n; |
624 |
|
|
} |
625 |
|
|
delete[] buffer; |
626 |
|
|
break; |
627 |
|
|
} |
628 |
|
|
case 24: { |
629 |
|
|
int* srcbuf = new int[bufsize * info.channels]; |
630 |
|
|
uint8_t* dstbuf = new uint8_t[bufsize * 3 * info.channels]; |
631 |
|
|
sf_count_t cnt = info.frames; |
632 |
|
|
while (cnt) { |
633 |
|
|
// libsndfile returns 32 bits, convert to 24 |
634 |
|
|
int n = sf_readf_int(hFile, srcbuf, bufsize); |
635 |
|
|
int j = 0; |
636 |
|
|
for (int i = 0 ; i < n * info.channels ; i++) { |
637 |
|
|
dstbuf[j++] = srcbuf[i] >> 8; |
638 |
|
|
dstbuf[j++] = srcbuf[i] >> 16; |
639 |
|
|
dstbuf[j++] = srcbuf[i] >> 24; |
640 |
|
|
} |
641 |
|
|
// write from buffer directly (physically) into .gig file |
642 |
|
|
gigSample->Write(dstbuf, n); |
643 |
|
|
cnt -= n; |
644 |
|
|
} |
645 |
|
|
delete[] srcbuf; |
646 |
|
|
delete[] dstbuf; |
647 |
|
|
break; |
648 |
|
|
} |
649 |
|
|
} |
650 |
|
|
sf_close(hFile); |
651 |
|
|
} |
652 |
|
|
cout << "OK\n"; |
653 |
|
|
|
654 |
|
|
} catch (RIFF::Exception e) { |
655 |
|
|
cerr << "Failed generating output file:" << endl; |
656 |
|
|
e.PrintMessage(); |
657 |
|
|
return EXIT_FAILURE; |
658 |
|
|
} catch (...) { |
659 |
|
|
cerr << "Unknown exception while trying to assemble output file." << endl; |
660 |
|
|
return EXIT_FAILURE; |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
return EXIT_SUCCESS; |
664 |
|
|
} |