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freeverb3_vst: Commit

Freeverb3 VST plugins


Commit MetaInfo

Revision667d56e94dad133f339085b3590578c02406ef0c (tree)
Time2018-05-13 20:57:31
AuthorTeru Kamogashira <tkamogashira@user...>
CommiterTeru Kamogashira

Log Message

Updated to freeverb3-3.2.1.

Change Summary

Incremental Difference

diff -r 72ecdb031156 -r 667d56e94dad Makefile.am
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Makefile.am Sun May 13 20:57:31 2018 +0900
@@ -0,0 +1,35 @@
1+ACLOCAL_AMFLAGS = -I m4 --install
2+SUBDIRS = libsamplerate2 libsndfile libgdither freeverb VST VSTGUI Res VstMain src m4
3+
4+EXTRA_DIST = autogen.sh \
5+cross-sh/mingw-cross-S-sse.sh cross-sh/mingw-cross-sse3.sh cross-sh/mingw-cross-S-avx.sh \
6+cross-sh/mingw-cross-D-sse2.sh cross-sh/mingw-cross-D-sse4.sh cross-sh/mingw-cross-D-avx.sh \
7+cross-sh/mingw-w64-cross-sse.sh cross-sh/mingw-w64-cross-D-sse2.sh cross-sh/mingw-w64-cross-avx.sh cross-sh/mingw-w64-cross-D-avx.sh \
8+cross-sh/build_fftw.sh cross-sh/build_libs.sh cross-sh/build_oggs.sh cross-sh/cross-set.sh \
9+cross-sh/macosx-S-universal.sh
10+
11+vstinidir = $(libdir)
12+vstini_DATA = freeverb3cfg.xml freeverb3prg.xml
13+
14+vstdocumentdir = $(prefix)
15+vstdocument_DATA = VSTGUI-LICENSE.txt VST-LICENSE.rtf README.txt AUTHORS.txt
16+
17+m4datadir = $(datadir)/aclocal
18+
19+# dist-hook: CL
20+
21+# CL:
22+# cvs2cl.pl --show-dead --no-times --tags --branches --revisions
23+
24+PACKAGENAME = freeverb3_vst$(cv_dstr)-$(RELEASE).$(MAJOR).$(MINOR).zip
25+
26+vstdist: install-strip
27+ rm -f $(DESTDIR)$(libdir)/*.la $(DESTDIR)$(libdir)/*.a
28+ rm -f $(DESTDIR)/$(PACKAGENAME)
29+ (if [ "$(DESTDIR)" != "" ]; then cd $(DESTDIR); else cd / ; fi ; zip -9r $(PACKAGENAME) `echo $(prefix)|sed -e s/^\\\\///g`)
30+
31+DEPLIBNAME = freeverb3_vst-dev-deplib-win-$(RELEASE).$(MAJOR).$(MINOR).zip
32+deplib:
33+ zip -9r $(DEPLIBNAME) include lib32 lib64
34+
35+
diff -r 72ecdb031156 -r 667d56e94dad VstMain/Freeverb.cpp
--- a/VstMain/Freeverb.cpp Tue May 01 19:17:40 2018 +0900
+++ b/VstMain/Freeverb.cpp Sun May 13 20:57:31 2018 +0900
@@ -965,7 +965,7 @@
965965 for(int si = 0;si < MODEL_SLOT_SIZE;si ++)
966966 {
967967 // add to outputL/R (skip init)
968- if(model[si][0]->getSampleSize() == 0||muteWet[si][0] == true)
968+ if(model[si][0]->getImpulseSize() == 0||muteWet[si][0] == true)
969969 continue;
970970 unsigned slotoption = FV3_IR_SKIP_INIT|FV3_IR_MUTE_DRY;
971971 if(getParameter(KRTParam(si,KWet)) == 0.0f)
@@ -1294,7 +1294,7 @@
12941294 targetSlot->setFragmentSize(conf_fragmentSize, conf_factor);
12951295 targetSlot->loadImpulse(L, R, size);
12961296 writeLogA("Impulser2: loadToModel: %ld -> %ld / %ld x %ld / %ld x %ld\n",
1297- size, targetSlot->getSampleSize(),
1297+ size, targetSlot->getImpulseSize(),
12981298 targetSlot->getSFragmentSize(), targetSlot->getSFragmentCount(),
12991299 targetSlot->getLFragmentSize(), targetSlot->getLFragmentCount());
13001300 }
diff -r 72ecdb031156 -r 667d56e94dad VstMain/Mac.m
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/VstMain/Mac.m Sun May 13 20:57:31 2018 +0900
@@ -0,0 +1,43 @@
1+/**
2+ * Mac dependent codes
3+ *
4+ * Copyright (C) 2006-2014 Teru Kamogashira
5+ *
6+ * This program is free software; you can redistribute it and/or modify
7+ * it under the terms of the GNU General Public License as published by
8+ * the Free Software Foundation; either version 2 of the License, or
9+ * (at your option) any later version.
10+ *
11+ * This program is distributed in the hope that it will be useful,
12+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14+ * GNU General Public License for more details.
15+ *
16+ * You should have received a copy of the GNU General Public License
17+ * along with this program; if not, write to the Free Software
18+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19+ */
20+
21+#import <Foundation/Foundation.h>
22+#import <Cocoa/Cocoa.h>
23+
24+#import "Mac.h"
25+
26+#ifdef MAC
27+void MacMessageBox(char * title, char * string)
28+{
29+ NSString * info = [[NSString alloc] initWithFormat:@"%s", title];
30+ NSString * text = [[NSString alloc] initWithFormat:@"%s", string];
31+ NSAlert* alert =[NSAlert alertWithMessageText:text
32+ defaultButton:@"OK" alternateButton:nil otherButton:nil
33+ informativeTextWithFormat:info];
34+ [alert runModal];
35+}
36+
37+void getHomeDirectoryName(char * str)
38+{
39+ char path[PATH_MAX];
40+ CFStringGetCString((CFStringRef)NSHomeDirectory(), path, sizeof(path), kCFStringEncodingUTF8);
41+ memcpy(str, path, PATH_MAX);
42+}
43+#endif
diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3-avx.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3-sse2.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3-x64-avx.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3-x64.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-avx.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-mac-p64.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-mac-ppc.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-mac-x64.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-mac-x86.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-sse.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-x64-avx.a
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diff -r 72ecdb031156 -r 667d56e94dad cross-sh/libfftw3f-x64.a
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diff -r 72ecdb031156 -r 667d56e94dad freeverb/Makefile.am
--- a/freeverb/Makefile.am Tue May 01 19:17:40 2018 +0900
+++ b/freeverb/Makefile.am Sun May 13 20:57:31 2018 +0900
@@ -13,6 +13,7 @@
1313 slot.cpp slot_t.hpp slot.hpp \
1414 utils.cpp utils_t.hpp utils.hpp \
1515 irbase.hpp irbase_t.hpp irbase.cpp \
16+ irmodel1.cpp irmodel1.hpp irmodel1_t.hpp \
1617 irmodel2.cpp irmodel2.hpp irmodel2_t.hpp \
1718 irmodel2zl.cpp irmodel2zl.hpp irmodel2zl_t.hpp \
1819 irmodel3.cpp irmodel3.hpp irmodel3_t.hpp \
@@ -278,6 +279,9 @@
278279 irbase.hpp \
279280 irbase_t.hpp \
280281 irbase.cpp \
282+ irmodel1.cpp \
283+ irmodel1.hpp \
284+ irmodel1_t.hpp \
281285 irmodel2.cpp \
282286 irmodel2.hpp \
283287 irmodel2_t.hpp \
diff -r 72ecdb031156 -r 667d56e94dad libsndfile/G72x/.libs/libg72x.a
Binary file libsndfile/G72x/.libs/libg72x.a has changed
diff -r 72ecdb031156 -r 667d56e94dad libsndfile/GSM610/.libs/libgsm.a
Binary file libsndfile/GSM610/.libs/libgsm.a has changed
diff -r 72ecdb031156 -r 667d56e94dad src/CArg.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/CArg.cpp Sun May 13 20:57:31 2018 +0900
@@ -0,0 +1,96 @@
1+/**
2+ * CArg arg table
3+ *
4+ * Copyright (C) 2007-2014 Teru Kamogashira
5+ *
6+ * This program is free software; you can redistribute it and/or modify
7+ * it under the terms of the GNU General Public License as published by
8+ * the Free Software Foundation; either version 2 of the License, or
9+ * (at your option) any later version.
10+ *
11+ * This program is distributed in the hope that it will be useful,
12+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14+ * GNU General Public License for more details.
15+ *
16+ * You should have received a copy of the GNU General Public License
17+ * along with this program; if not, write to the Free Software
18+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19+ */
20+
21+#include "CArg.hpp"
22+
23+CArg::CArg()
24+{
25+ blank[0] = '\0';
26+}
27+
28+int CArg::registerArg(int argc, char ** argv)
29+{
30+ for(int i = 1;i < argc;i ++)
31+ {
32+ if(strlen(argv[i]) > 1&&strncmp(argv[i], "-", 1) == 0)
33+ {
34+ std::string option, value;
35+ std::pair<std::map<std::string,std::string>::iterator,bool> result;
36+ if(i + 1 >= argc)
37+ {
38+ std::cerr << "CArg::registerArg: Missing value to ["
39+ << argv[i] << "].\n" << std::endl;
40+ return -1;
41+ }
42+ option = argv[i];
43+ i ++;
44+ value = argv[i];
45+ result =
46+ optionMap.insert(std::pair<std::string,std::string>(option,value));
47+ if(!result.second)
48+ {
49+ optionMap[option] = value;
50+ std::cerr << "CArg::registerArg: Value to ["
51+ << option << "] was overwritten.\n" << std::endl;
52+ }
53+ }
54+ else
55+ {
56+ argVector.push_back(argv[i]);
57+ }
58+ }
59+ return 0;
60+}
61+
62+int CArg::getInt(const char * key)
63+{
64+ return std::atol(getString(key));
65+}
66+
67+long CArg::getLong(const char * key)
68+{
69+ return std::atol(getString(key));
70+}
71+
72+double CArg::getDouble(const char * key)
73+{
74+ return std::atof(getString(key));
75+}
76+
77+const char * CArg::getString(const char * key)
78+{
79+ std::string keyString = key;
80+ std::map<std::string,std::string>::iterator result;
81+ result = optionMap.find(keyString);
82+ if(result != optionMap.end())
83+ {
84+ return result->second.c_str();
85+ }
86+ return blank;
87+}
88+
89+const char * CArg::getFileArg(unsigned at)
90+{
91+ if(argVector.size() > at)
92+ {
93+ return argVector[at].c_str();
94+ }
95+ return blank;
96+}
diff -r 72ecdb031156 -r 667d56e94dad src/CArg.hpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/CArg.hpp Sun May 13 20:57:31 2018 +0900
@@ -0,0 +1,47 @@
1+/**
2+ * CArg arg table
3+ *
4+ * Copyright (C) 2007-2014 Teru Kamogashira
5+ *
6+ * This program is free software; you can redistribute it and/or modify
7+ * it under the terms of the GNU General Public License as published by
8+ * the Free Software Foundation; either version 2 of the License, or
9+ * (at your option) any later version.
10+ *
11+ * This program is distributed in the hope that it will be useful,
12+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14+ * GNU General Public License for more details.
15+ *
16+ * You should have received a copy of the GNU General Public License
17+ * along with this program; if not, write to the Free Software
18+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19+ */
20+
21+#ifndef __CArg_HPP
22+#define __CArg_HPP
23+
24+#include <cstdlib>
25+#include <cstring>
26+#include <iostream>
27+#include <string>
28+#include <vector>
29+#include <map>
30+
31+class CArg
32+{
33+public:
34+ CArg();
35+ int registerArg(int argc, char ** argv);
36+ const char * getString(const char * key);
37+ int getInt(const char * key);
38+ long getLong(const char * key);
39+ double getDouble(const char * key);
40+ const char * getFileArg(unsigned at);
41+private:
42+ char blank[1];
43+ std::map<std::string,std::string> optionMap;
44+ std::vector<std::string> argVector;
45+};
46+
47+#endif
diff -r 72ecdb031156 -r 667d56e94dad src/Makefile.am
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Makefile.am Sun May 13 20:57:31 2018 +0900
@@ -0,0 +1,69 @@
1+if TARGET_WINDOWS
2+bin_PROGRAMS = fv3_rateconv
3+endif
4+
5+INCLUDES = -I$(top_srcdir)/freeverb -I$(top_srcdir)/libsndfile -I$(top_srcdir)/libgdither -I$(top_srcdir)/include -I$(top_srcdir)
6+
7+if BUILD_PLUGDOUBLE
8+INCLUDES += -DPLUGDOUBLE
9+endif
10+
11+EXEFLAGS = -static -static-libgcc -static-libstdc++ -Wl,-O1 -Wl,--as-needed -Wl,--sort-common \
12+ -Wl,-lm -Wl,-lstdc++ -Wl,-lgcc -Wl,-lgcc_eh -Wl,-lkernel32
13+
14+IMP_LIB =
15+
16+if BUILD_X64
17+IMP_LIB += -L$(top_srcdir)/lib64
18+else
19+IMP_LIB += -L$(top_srcdir)/lib32
20+endif
21+
22+if DEFAULT_FFTW3N
23+if BUILD_PLUGDOUBLE
24+IMP_LIB += -lfftw3
25+else
26+IMP_LIB += -lfftw3f
27+endif
28+else
29+IMP_LIB += -l$(cv_fftw3n)
30+endif
31+
32+if DEFAULT_LIBFLACN
33+IMP_LIB += -lFLAC -lws2_32
34+else
35+IMP_LIB += -l$(cv_libflacn)
36+endif
37+
38+if DEFAULT_LIBVORBISN
39+IMP_LIB += -lvorbis -lvorbisfile -lvorbisenc
40+else
41+IMP_LIB += -lvorbis$(cv_libvorbisn) -lvorbisfile$(cv_libvorbisn) -lvorbisenc$(cv_libvorbisn)
42+endif
43+
44+if DEFAULT_LIBOGGN
45+IMP_LIB += -logg
46+else
47+IMP_LIB += -l$(cv_liboggn)
48+endif
49+
50+mingwdlldir = $(bindir)
51+
52+if INCLUDE_MINGW_RUNTIME
53+if BUILD_X64
54+mingwdll_DATA = 64/libstdc++-6.dll 64/libgcc_s_sjlj-1.dll
55+else
56+mingwdll_DATA = 32/mingwm10.dll 32/libstdc++-6.dll 32/libgcc_s_sjlj-1.dll
57+endif
58+else
59+mingwdll_DATA =
60+endif
61+
62+if BUILD_PROFILE_GENERATE
63+EXEFLAGS += -Wl,-lgcov -fprofile-generate -ftest-coverage -fprofile-arcs
64+endif
65+
66+fv3_rateconv_LDADD = $(top_srcdir)/freeverb/libir.la $(top_srcdir)/libsndfile/libsndfile.la $(top_srcdir)/libgdither/libgdither.la $(IMP_LIB)
67+fv3_rateconv_LDFLAGS = $(EXEFLAGS)
68+fv3_rateconv_SOURCES = rateconv.cpp CArg.cpp CArg.hpp
69+
diff -r 72ecdb031156 -r 667d56e94dad src/SetupOutput/SetupMinGWRuntime-1.0-4.5.3.exe
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diff -r 72ecdb031156 -r 667d56e94dad src/rateconv.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/rateconv.cpp Sun May 13 20:57:31 2018 +0900
@@ -0,0 +1,830 @@
1+/**
2+ * Freeverb3 Sampling Rate Converter
3+ *
4+ * Copyright (C) 2007-2014 Teru Kamogashira
5+ *
6+ * This program is free software; you can redistribute it and/or modify
7+ * it under the terms of the GNU General Public License as published by
8+ * the Free Software Foundation; either version 2 of the License, or
9+ * (at your option) any later version.
10+ *
11+ * This program is distributed in the hope that it will be useful,
12+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14+ * GNU General Public License for more details.
15+ *
16+ * You should have received a copy of the GNU General Public License
17+ * along with this program; if not, write to the Free Software
18+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19+ */
20+
21+#include "fv3_config.h"
22+
23+#include <cstdio>
24+#include <cstdlib>
25+#include <cstring>
26+#include <cmath>
27+
28+#include <stdint.h>
29+
30+#include <sndfile.h>
31+#include <sndfile.hh>
32+#include <fftw3.h>
33+#include <freeverb/irmodel2.hpp>
34+#include <gdither.h>
35+
36+#include "CArg.hpp"
37+
38+#define DEFAULT_TARGET_FS 48000
39+#define DEFAULT_MODE W_KAISER
40+#define DEFAULT_KAISER_PARAMETER 140
41+#define DEFAULT_COSRO_PARAMETER 0.1
42+#define DEFAULT_TRANSITION_BAND 1
43+
44+#ifndef DIST_STRING
45+#define DIST_STRING ""
46+#endif
47+
48+#ifdef PLUGDOUBLE
49+typedef fv3::irbase_ IRBASE;
50+typedef fv3::irmodel2_ IR2;
51+typedef double pfloat_t;
52+#else
53+typedef fv3::irbase_f IRBASE;
54+typedef fv3::irmodel2_f IR2;
55+typedef float pfloat_t;
56+#endif
57+
58+static IR2 reverbm;
59+const unsigned options = FV3_IR_DEFAULT|FV3_IR_SKIP_FILTER|FV3_IR_MUTE_DRY;
60+//const long fragmentSize = 512;
61+//const long ffactor = 32;
62+long groupDelay = 0;
63+const long VST_frame = 16384;
64+pfloat_t clipL = 0.0, clipR = 0.0;
65+pfloat_t attenuation = 1.0f;
66+
67+CArg args;
68+
69+SndfileHandle * output;
70+static long outputFormat = SF_FORMAT_WAV|SF_FORMAT_FLOAT;
71+static long outputMode = 0;
72+
73+#define OMODE_FL 0
74+#define OMODE_16 1
75+#define OMODE_24 2
76+#define OMODE_32 3
77+
78+static GDither pdither;
79+static long ditherMode = GDitherNone;
80+
81+#ifndef M_PI
82+#define M_PI 3.14159265358979323846
83+#endif
84+
85+#ifndef max
86+#define max(a,b) (((a) > (b)) ? (a) : (b))
87+#endif
88+
89+#ifndef min
90+#define min(a,b) (((a) < (b)) ? (a) : (b))
91+#endif
92+
93+static long checkFileExist(const char * filename)
94+{
95+ FILE * fp = fopen(filename ,"rb");
96+ if(fp == NULL)
97+ return 0;
98+ return 1;
99+}
100+
101+static long gcmi(long a, long b)
102+{
103+ if(a < b) return gcmi(b, a);
104+ long r = a % b;
105+ if(r == 0) return b;
106+ else return gcmi(b, r);
107+}
108+
109+static long lcmi(long a, long b)
110+{
111+ long g = gcmi(a, b);
112+ return (a/g) * (b/g) * g;
113+}
114+
115+// FIR FILTER C
116+
117+// Windows
118+
119+static void Square(pfloat_t w[], const long N)
120+{
121+ long i;
122+ for(i = 0;i < N;i ++)
123+ {
124+ w[i] = 1;
125+ }
126+ return;
127+}
128+
129+static void Hamming(pfloat_t w[], const long N)
130+{
131+ long i;
132+ const pfloat_t M = N-1;
133+ for(i = 0; i < N; i++)
134+ {
135+ w[i] = 0.54 - (0.46*cos(2.0*M_PI*(pfloat_t)i/M));
136+ }
137+ return;
138+}
139+
140+static void Hanning(pfloat_t w[], const long N)
141+{
142+ long i;
143+ const pfloat_t M = N-1;
144+ for(i = 0; i < N; i++)
145+ {
146+ w[i] = 0.5 * (1.0 - cos(2.0*M_PI*(pfloat_t)i/M));
147+ }
148+ return;
149+}
150+
151+static void Blackman(pfloat_t w[], const long N)
152+{
153+ long i;
154+ const pfloat_t M = N-1;
155+ for(i = 0; i < N; i++)
156+ {
157+ w[i] =
158+ 0.42 - (0.5 * cos(2.0*M_PI*(pfloat_t)i/M)) +
159+ (0.08*cos(4.0*M_PI*(pfloat_t)i/M));
160+ }
161+ return;
162+}
163+
164+#ifndef isfinite
165+#define isfinite(v) std::isfinite(v)
166+#endif
167+
168+static pfloat_t i_zero(pfloat_t x)
169+{
170+ /*
171+ The zeroth order Modified Bessel function:
172+
173+ I_0(x) = 1 +
174+ x^2 / 2^2 +
175+ x^4 / (2^2 * 4^2) +
176+ x^6 / (2^2 * 4^2 * 6^2) +
177+ ... to infinity
178+
179+ This function grows quite quickly towards very large numbers.
180+ By re-organising the calculations somewhat we minimise the dynamic
181+ range in the floating polong numbers, and can thus calculate the
182+ function for larger x than we could do with a naive implementation.
183+ */
184+ pfloat_t n, a, halfx, sum;
185+ halfx = x / 2.0;
186+ sum = 1.0;
187+ a = 1.0;
188+ n = 1.0;
189+ do {
190+ a *= halfx;
191+ a /= n;
192+ sum += a * a;
193+ n += 1.0;
194+ /* either 'sum' will reach +inf or 'a' zero... */
195+ } while (a != 0.0 && isfinite(sum));
196+ return sum;
197+}
198+
199+static void Kaiser(pfloat_t w[], const long N, pfloat_t sl)
200+{
201+ long i;
202+ pfloat_t beta = 0.5;
203+ // -sl[dB]
204+ if(sl > 50)
205+ beta = 0.1102*(sl-8.7);
206+ else if(sl >= 20)
207+ beta = 0.5842 * std::pow((double)sl-21, 0.4) + 0.07886*(sl-21);
208+ else
209+ beta = 0;
210+ std::fprintf(stderr, "Kaiser beta=%f\n", beta);
211+ const pfloat_t M = N-1;
212+ pfloat_t inv_izbeta = 1.0 / i_zero(M_PI*beta);
213+ for(i = 0;i < N;i ++)
214+ {
215+ w[i] =
216+ i_zero(M_PI*beta*sqrt(1-std::pow(2*(pfloat_t)i/M-1, 2))) * inv_izbeta;
217+ }
218+}
219+
220+static void CosROW(pfloat_t w[], const long &N, const pfloat_t &fc,
221+ const pfloat_t &alpha)
222+{
223+ long i;
224+ const pfloat_t M = N-1;
225+ pfloat_t n;
226+ for(i = 0; i < N; i++)
227+ {
228+ n = (pfloat_t)i - M/2.0;
229+ w[i] = std::cos(M_PI*n*2.0*fc*M_PI*alpha)
230+ / (1 - std::pow((M_PI*n*2.0*fc*2*alpha),2));
231+ }
232+ return;
233+}
234+
235+// Sinc
236+
237+static void Sinc(pfloat_t sinc[], const long N, const pfloat_t &fc)
238+{
239+ long i;
240+ const pfloat_t M = N-1;
241+ pfloat_t n;
242+ // Generate sinc delayed by (N-1)/2
243+ for(i = 0; i < N; i++)
244+ {
245+ if(i == M/2.0)
246+ {
247+ sinc[i] = 2.0 * fc;
248+ }
249+ else
250+ {
251+ n = (pfloat_t)i - M/2.0;
252+ sinc[i] = std::sin(M_PI*n*2.0*fc) / (M_PI*n);
253+ }
254+ }
255+ return;
256+}
257+
258+const long W_BLACKMAN = 1;
259+const long W_HANNING = 2;
260+const long W_HAMMING = 3;
261+const long W_KAISER = 4;
262+const long W_COSRO = 5;
263+const long W_SQUARE = 6;
264+
265+// LPF
266+
267+static void firLPF(pfloat_t h[], const long N,
268+ const long WINDOW, const pfloat_t fc,
269+ const pfloat_t sl, const pfloat_t alpha)
270+{
271+ long i;
272+ pfloat_t * w = new pfloat_t[N];
273+ pfloat_t * sinc = new pfloat_t[N];
274+ Sinc(sinc, N, fc);
275+ switch(WINDOW)
276+ {
277+ case W_SQUARE:
278+ std::fprintf(stderr, "W_SQUARE\n");
279+ Square(w, N);
280+ break;
281+ case W_BLACKMAN:
282+ std::fprintf(stderr, "W_BLACKMAN\n");
283+ Blackman(w, N);
284+ break;
285+ case W_HANNING:
286+ std::fprintf(stderr, "W_HANNING\n");
287+ Hanning(w, N);
288+ break;
289+ case W_HAMMING:
290+ std::fprintf(stderr, "W_HAMMING\n");
291+ Hamming(w, N);
292+ break;
293+ case W_KAISER:
294+ std::fprintf(stderr, "W_KAISER -%fdB\n", sl);
295+ Kaiser(w, N, sl);
296+ break;
297+ case W_COSRO:
298+ std::fprintf(stderr, "W_COSRO alpha=%f\n", alpha);
299+ CosROW(w, N, fc, alpha);
300+ break;
301+ default:
302+ std::fprintf(stderr, "Invalid window mode: %ld\n", WINDOW);
303+ std::exit(-1);
304+ break;
305+ }
306+ for(i = 0; i < N; i++)
307+ {
308+ h[i] = sinc[i] * w[i];
309+ }
310+ delete[] w;
311+ delete[] sinc;
312+ return;
313+}
314+
315+#if 0
316+static void firHPF(pfloat_t h[], const long N,
317+ const long WINDOW, const pfloat_t fc,
318+ const pfloat_t sl, const pfloat_t alpha)
319+{
320+ long i;
321+ firLPF(h, N, WINDOW, fc, sl, alpha);
322+ // 2. Spectrally invert (negate all samples and add 1 to center sample) lowpass filter
323+ // = delta[n-((N-1)/2)] - h[n], in the time domain
324+ for(i = 0;i < N;i ++)
325+ {
326+ h[i] *= -1.0; // = 0 - h[i]
327+ }
328+ h[(N-1)/2] += 1.0; // = 1 - h[(N-1)/2]
329+ return;
330+}
331+
332+static void firBSF(double h[], const long N,
333+ const long WINDOW, const pfloat_t fc1, const pfloat_t fc2,
334+ const pfloat_t sl, const pfloat_t alpha)
335+{
336+ long i;
337+ pfloat_t *h1 = new pfloat_t[N];
338+ pfloat_t *h2 = new pfloat_t[N];
339+ firLPF(h1, N, WINDOW, fc1, sl, alpha);
340+ firHPF(h2, N, WINDOW, fc2, sl, alpha);
341+ for(i = 0;i < N;i ++)
342+ {
343+ h[i] = h1[i] + h2[i];
344+ }
345+ delete[] h1;
346+ delete[] h2;
347+ return;
348+}
349+
350+static void firBPF(double h[], const int N,
351+ const int WINDOW, const double fc1, const double fc2,
352+ const pfloat_t sl, const pfloat_t alpha)
353+{
354+ int i;
355+ firBSF(h, N, WINDOW, fc1, fc2, sl, alpha);
356+ for (i = 0; i < N; i++)
357+ {
358+ h[i] *= -1.0; // = 0 - h[i]
359+ }
360+ h[(N-1)/2] += 1.0; // = 1 - h[(N-1)/2]
361+ return;
362+}
363+#endif
364+
365+// FIR FILTER C
366+
367+static void setLPF(IRBASE * model, long len, pfloat_t fc,
368+ const long WINDOW, const pfloat_t sl, const pfloat_t alpha)
369+{
370+ std::fprintf(stderr, "LPF: filterLength %ld limit %f\n", len, fc);
371+ pfloat_t * fir = new pfloat_t[len];
372+ firLPF(fir, len, WINDOW, fc, sl, alpha);
373+ //model->loadImpulse(fir, fir, len, FFTW_ESTIMATE, fragmentSize, ffactor);
374+ model->loadImpulse(fir, fir, len);
375+ delete[] fir;
376+}
377+
378+static long predictN(long mode, pfloat_t transitionF,
379+ const pfloat_t attenuation, const pfloat_t alpha)
380+{
381+ std::fprintf(stderr, "== predict filter length ===\n");
382+ std::fprintf(stderr, "Transition Bandwidth %f\n", transitionF);
383+ long N = 0;
384+ switch(mode)
385+ {
386+ case W_SQUARE:
387+ N = (long)std::ceil((1.8*M_PI)/(transitionF*M_PI))+1;
388+ break;
389+ case W_BLACKMAN:
390+ N = (long)std::ceil((11*M_PI)/(transitionF*M_PI))+1;
391+ break;
392+ case W_HANNING:
393+ N = (long)std::ceil((6.2*M_PI)/(transitionF*M_PI))+1;
394+ break;
395+ case W_HAMMING:
396+ N = (long)std::ceil((6.6*M_PI)/(transitionF*M_PI))+1;
397+ break;
398+ case W_KAISER:
399+ if(attenuation <= 21)
400+ N = (long)std::ceil(0.9222/transitionF)+1;
401+ else
402+ N = (long)std::ceil((attenuation-7.95)/(14.36*transitionF))+1;
403+ break;
404+ case W_COSRO:
405+ N = 0;
406+ break;
407+ default:
408+ std::fprintf(stderr, "Invalid window mode: %ld\n", mode);
409+ N = 0;
410+ break;
411+ }
412+ return N;
413+}
414+
415+static void mute(pfloat_t * f, long t)
416+{
417+ for(long i = 0;i < t;i ++)
418+ f[i] = 0.0f;
419+}
420+
421+static long rcount = 0;
422+static void readPad(pfloat_t * L, pfloat_t * R, long factor,
423+ long size, SndfileHandle * snd)
424+{
425+ pfloat_t v[2];
426+ for(long i = 0;i < size;i ++)
427+ {
428+ if(rcount == 0)
429+ {
430+ snd->readf(v, 1);
431+ L[i] = v[0];
432+ R[i] = v[1];
433+ }
434+ else
435+ {
436+ L[i] = R[i] = 0;
437+ }
438+ rcount ++;
439+ if(rcount == factor)
440+ rcount = 0;
441+ }
442+}
443+
444+static long wcount = 0;
445+static void writePick(pfloat_t * L, pfloat_t * R,
446+ long factor, long size, double dfactor)
447+{
448+ float v[2];
449+ for(long i = 0;i < size;i ++)
450+ {
451+ if(wcount == 0)
452+ {
453+ v[0] = dfactor*L[i]*attenuation;
454+ v[1] = dfactor*R[i]*attenuation;
455+ if(v[0] > 1.0||v[0] < -1.0)
456+ {
457+ clipL = v[0];
458+ }
459+ if(v[1] > 1.0||v[1] < -1.0)
460+ {
461+ clipR = v[1];
462+ }
463+ if(groupDelay > 0)
464+ {
465+ groupDelay --;
466+ }
467+ else
468+ {
469+ switch(outputMode)
470+ {
471+ case OMODE_16:
472+ int16_t o16[2];
473+ gdither_runf(pdither, 0, 1, v, o16);
474+ gdither_runf(pdither, 1, 1, v, o16);
475+ output->writef(o16, 1);
476+ break;
477+ case OMODE_24:
478+ case OMODE_32:
479+ int32_t o32[2];
480+ gdither_runf(pdither, 0, 1, v, o32);
481+ gdither_runf(pdither, 1, 1, v, o32);
482+ output->writef(o32, 1);
483+ break;
484+ default:
485+ output->writef(v, 1);
486+ break;
487+ }
488+ }
489+ }
490+ wcount ++;
491+ if(wcount == factor)
492+ wcount = 0;
493+ }
494+}
495+
496+static void processAll(IRBASE * model, SndfileHandle * snd,
497+ long fBlock, long upBlock, long toBlock)
498+{
499+ long upFactor = upBlock/fBlock;
500+ double factor = (double)upFactor;
501+ long downFactor = upBlock/toBlock;
502+ long long upFrames = ((long long)upFactor)*snd->frames();
503+ std::fprintf(stderr, "Original samples: %lld\n", (long long)snd->frames());
504+ std::fprintf(stderr, "Total samples: %lld\n", upFrames);
505+ long count = (long)(upFrames/((long long)VST_frame));
506+ long rest = (long)(upFrames%((long long)VST_frame));
507+ pfloat_t *iL, *iR, *oL, *oR;
508+ try
509+ {
510+ iL = new pfloat_t[VST_frame];
511+ iR = new pfloat_t[VST_frame];
512+ oL = new pfloat_t[VST_frame];
513+ oR = new pfloat_t[VST_frame];
514+ }
515+ catch(std::bad_alloc)
516+ {
517+ std::fprintf(stderr, "std::bad_alloc %ld x 4\n", VST_frame);
518+ std::exit(-1);
519+ }
520+ for(long i = 0;i < count;i ++)
521+ {
522+ std::fprintf(stderr, "%ld/%ld x %ld\r", i, count, VST_frame);
523+ readPad(iL, iR, upFactor, VST_frame, snd);
524+ model->processreplace(iL,iR,oL,oR,VST_frame,options);
525+ writePick(oL, oR, downFactor, VST_frame, factor);
526+ }
527+ std::fprintf(stderr, "\nrest = %ld", rest);
528+ readPad(iL, iR, upFactor, rest, snd);
529+ model->processreplace(iL,iR,oL,oR,rest,options);
530+ writePick(oL, oR, downFactor, rest, factor);
531+
532+ std::fprintf(stderr, "\nWait for IR...\n");
533+ int wait = ((model->getImpulseSize()-1)/2) + model->getLatency();
534+ count = wait/VST_frame;
535+ rest = wait%VST_frame;
536+ for(long i = 0;i < count;i ++)
537+ {
538+ std::fprintf(stderr, "%ld/%ld x %ld\r", i, count, VST_frame);
539+ mute(iL, VST_frame);
540+ mute(iR, VST_frame);
541+ model->processreplace(iL,iR,oL,oR,VST_frame,options);
542+ writePick(oL, oR, downFactor, VST_frame, factor);
543+ }
544+ std::fprintf(stderr, "\nrest = %ld", rest);
545+ mute(iL, rest);
546+ mute(iR, rest);
547+ model->processreplace(iL,iR,oL,oR,rest,options);
548+ writePick(oL, oR, downFactor, rest, factor);
549+
550+ std::fprintf(stderr, "\ndone.\n");
551+ delete[] iL;
552+ delete[] iR;
553+ delete[] oL;
554+ delete[] oR;
555+}
556+
557+void help(const char * cmd)
558+{
559+ std::fprintf(stderr, "%s [options] input output\n", cmd);
560+ std::fprintf(stderr, "Input: libsndfile supported file.\n");
561+ std::fprintf(stderr, "Output: WAV\n");
562+ std::fprintf(stderr, "[[Options]]\n");
563+ std::fprintf(stderr, "-r Target sampling rate\n");
564+ std::fprintf(stderr, "-m Mode\n");
565+ std::fprintf(stderr, "\tn Window [Stopband Attenuation]\n");
566+ std::fprintf(stderr, "\t1 Blackman [-74dB]\n");
567+ std::fprintf(stderr, "\t2 Hanning [-44dB]\n");
568+ std::fprintf(stderr, "\t3 Hamming [-53dB]\n");
569+ std::fprintf(stderr, "\t4 Kaiser [-<parameter>dB]\n");
570+ std::fprintf(stderr, "\t5 CosineRollOff (alpha=<parameter>)\n");
571+ std::fprintf(stderr, "\t\t(alpha >0 && <=1) 0->default,\n");
572+ std::fprintf(stderr, "\t\tuse Square window when alpha=0.\n");
573+ std::fprintf(stderr, "\t6 Square [-21dB]\n");
574+ std::fprintf(stderr, "-k Kaiser Parameter\n");
575+ std::fprintf(stderr, "-a CosineRollOff Parameter\n");
576+ std::fprintf(stderr, "-t Transition bandwidth [Hz]\n");
577+ std::fprintf(stderr, "\tignored if the window mode is CosineRollOff\n");
578+ std::fprintf(stderr, "-ow overwrite\n");
579+ std::fprintf(stderr, "\t1 = allow overwrite\n");
580+ std::fprintf(stderr, "-att Overall attenuation\n");
581+ std::fprintf(stderr, "-n Override filter length\n");
582+ std::fprintf(stderr, "-f output Precision\n");
583+ std::fprintf(stderr, "\t0 32bit Float Little Endian (default)\n");
584+ std::fprintf(stderr, "\t1 Signed 16 bit Little Endian (CD precision)\n");
585+ std::fprintf(stderr, "\t2 Signed 24 bit Little Endian in 3bytes\n");
586+ std::fprintf(stderr, "\t3 Signed 32 bit Little Endian\n");
587+ std::fprintf(stderr, "-gd gdither mode\n");
588+ std::fprintf(stderr, "\t0 None\n");
589+ std::fprintf(stderr, "\t1 Rect\n");
590+ std::fprintf(stderr, "\t2 Tri\n");
591+ std::fprintf(stderr, "\t3 Shaped\n");
592+ std::fprintf(stderr, "[[Example]]\n");
593+ std::fprintf(stderr, "1. conversion to 96k float\n");
594+ std::fprintf(stderr, "%s -r 96000 -m 4 -k 140 input.wav output.wav\n",
595+ cmd);
596+ std::fprintf(stderr, "2. conversion to CD format with shaped dithering\n");
597+ std::fprintf(stderr, "%s -r 44100 -m 4 -k 140 -f 1 -gd 3 input.wav output.wav\n",
598+ cmd);
599+ std::fprintf(stderr, "[[Note]]\n");
600+ std::fprintf(stderr, "If the conversion factor is not an integer,\n");
601+ std::fprintf(stderr, "it will take a lot to convert. (ex. 48k->44.1k)\n");
602+ std::fprintf(stderr, "\n");
603+}
604+
605+int main(int argc, char* argv[])
606+{
607+ std::fprintf(stderr, "1-pass Sampling Rate Converter\n");
608+ std::fprintf(stderr, "<"PACKAGE DIST_STRING"-"VERSION">\n");
609+ std::fprintf(stderr, "Copyright (C) 2007-2014 Teru Kamogashira\n");
610+ std::fprintf(stderr, "sizeof(pfloat_t) = %d\n\n", (int)sizeof(pfloat_t));
611+
612+ if (argc <= 1)
613+ {
614+ help(argv[0]);
615+ exit(-1);
616+ }
617+
618+ if(args.registerArg(argc, argv) != 0)
619+ exit(-1);
620+
621+ long outputMode = args.getLong("-f");
622+ std::fprintf(stderr, "> outputMode = %ld\n", outputMode);
623+ switch(outputMode)
624+ {
625+ case OMODE_16:
626+ outputFormat = SF_FORMAT_WAV|SF_FORMAT_PCM_16;
627+ break;
628+ case OMODE_24:
629+ outputFormat = SF_FORMAT_WAV|SF_FORMAT_PCM_24;
630+ break;
631+ case OMODE_32:
632+ outputFormat = SF_FORMAT_WAV|SF_FORMAT_PCM_32;
633+ break;
634+ default:
635+ outputFormat = SF_FORMAT_WAV|SF_FORMAT_FLOAT;
636+ break;
637+ }
638+
639+ ditherMode = args.getLong("-gd");
640+ std::fprintf(stderr, "> ditherMode = %ld\n", ditherMode);
641+ GDitherType gt = (GDitherType)ditherMode;
642+ switch(outputMode)
643+ {
644+ case OMODE_16:
645+ pdither = gdither_new(gt, 2, GDither16bit, 16);
646+ break;
647+ case OMODE_24:
648+ pdither = gdither_new(gt, 2, GDither32bit, 24);
649+ break;
650+ case OMODE_32:
651+ pdither = gdither_new(gt, 2, GDither32bit, 32);
652+ break;
653+ default:
654+ std::fprintf(stderr, "Dithering is not used in float output mode.\n");
655+ pdither = NULL;
656+ break;
657+ }
658+
659+ long toRate = args.getLong("-r");
660+ if(toRate <= 0)
661+ {
662+ std::fprintf(stderr, "!!! -r %ld \n", toRate);
663+ toRate = DEFAULT_TARGET_FS;
664+ }
665+ std::fprintf(stderr, "> Target Sampling Rate = %ld\n", toRate);
666+
667+ long mode = args.getLong("-m");
668+ if(mode == 0)
669+ {
670+ std::fprintf(stderr, "!!! -m %ld \n", mode);
671+ mode = DEFAULT_MODE;
672+ }
673+ std::fprintf(stderr, "> Mode = %ld\n", mode);
674+
675+ double kparam = args.getDouble("-k");
676+ if(kparam <= 0)
677+ {
678+ std::fprintf(stderr, "!!! -k %f \n", kparam);
679+ kparam = DEFAULT_KAISER_PARAMETER;
680+ }
681+ std::fprintf(stderr, "> Kaiser Parameter = %f\n", kparam);
682+
683+ double cparam = args.getDouble("-a");
684+ if(cparam <= 0||cparam > 1)
685+ {
686+ std::fprintf(stderr, "!!! -a %f \n", cparam);
687+ cparam = DEFAULT_COSRO_PARAMETER;
688+ }
689+ std::fprintf(stderr, "> CosRO Parameter = %f\n", cparam);
690+
691+ double transitionBand = args.getDouble("-t");
692+ if(transitionBand <= 0)
693+ transitionBand = DEFAULT_TRANSITION_BAND;
694+ std::fprintf(stderr, "> Transition Band = %f\n", transitionBand);
695+
696+ long overWrite = args.getLong("-ow");
697+ std::fprintf(stderr, "> overWrite = %ld\n", overWrite);
698+ attenuation = args.getDouble("-att");
699+ if(attenuation == 0)
700+ attenuation = 1;
701+ std::fprintf(stderr, "> overall attenuation = %f\n", attenuation);
702+
703+ long filterLength = args.getLong("-n");
704+ std::fprintf(stderr, "> Override Filter Length = %ld\n", filterLength);
705+
706+ if(strlen(args.getFileArg(0)) == 0)
707+ {
708+ std::fprintf(stderr, "Input file is not specified.\n");
709+ exit(-1);
710+ }
711+ std::fprintf(stderr, "> Input = %s\n", args.getFileArg(0));
712+
713+ if(strlen(args.getFileArg(1)) == 0)
714+ {
715+ std::fprintf(stderr, "Output file is not specified.\n");
716+ exit(-1);
717+ }
718+ std::fprintf(stderr, "> Output = %s\n", args.getFileArg(1));
719+
720+ SndfileHandle sndHandle(args.getFileArg(0));
721+ if(sndHandle.frames() == 0||sndHandle.channels() != 2)
722+ {
723+ std::fprintf(stderr, "PCM file/channels is not valid: %s(%d).\n",
724+ args.getFileArg(0), sndHandle.channels());
725+ exit(-1);
726+ }
727+
728+ if(strcmp(args.getFileArg(0), args.getFileArg(1)) == 0)
729+ {
730+ std::fprintf(stderr, "!!! Input = Output\n");
731+ exit(-1);
732+ }
733+
734+ if(overWrite == 0&&checkFileExist(args.getFileArg(1)) != 0)
735+ {
736+ std::fprintf(stderr, "!!! Cannot overwrite file: %s\n", args.getFileArg(1));
737+ exit(-1);
738+ }
739+
740+ output = new SndfileHandle(args.getFileArg(1), SFM_WRITE,
741+ outputFormat, sndHandle.channels(), toRate);
742+ if (output->refCount() != 1)
743+ {
744+ std::fprintf(stderr, "SndfileHandle Error: Reference count (%d) != 1.\n",
745+ output->refCount());
746+ std::fprintf(stderr, "I/O error or permission error.\n");
747+ exit (-1) ;
748+ }
749+ output->setString(SF_STR_TITLE, args.getFileArg(1));
750+
751+ std::fprintf(stderr, "\n");
752+ long gcmRate = gcmi(toRate, sndHandle.samplerate());
753+ long upRate = lcmi(toRate, sndHandle.samplerate());
754+ std::fprintf(stderr, "%d -[0]-> %ld -[LPF]-> %ld\n",
755+ sndHandle.samplerate(), upRate, toRate);
756+
757+ long fBlock = sndHandle.samplerate()/gcmRate;
758+ long toBlock = toRate/gcmRate;
759+ long upBlock = fBlock*toBlock;
760+ std::fprintf(stderr, "Block: [%ld]->[%ld]->[%ld]\n", fBlock, upBlock, toBlock);
761+
762+ long upFactor = upBlock/fBlock;
763+ long downFactor = upBlock/toBlock;
764+
765+ pfloat_t fc = 0.5;
766+ if(upFactor < downFactor)
767+ {
768+ std::fprintf(stderr, " x%ld < [x%ld]", upFactor, downFactor);
769+ fc = 1/(pfloat_t)downFactor/2;
770+ }
771+ else
772+ {
773+ std::fprintf(stderr, " [x%ld] > x%ld", upFactor, downFactor);
774+ fc = 1/(pfloat_t)upFactor/2;
775+ }
776+ std::fprintf(stderr, " ==>> LPF %f\n", fc);
777+ long filter = (long)(2*(double)1/fc);
778+ std::fprintf(stderr, " filterLength > %ld\n", filter);
779+ double upRatef = (double)upRate;
780+ double upFactorf = (double)upFactor;
781+ double transitionF = upFactorf*transitionBand/upRatef;
782+ std::fprintf(stderr, "Transition band F: %.8f\n", transitionF);
783+ long N = predictN(mode, transitionF, kparam, cparam);
784+ std::fprintf(stderr, "Estimated N: %ld\n", N);
785+ if(N > filter) filter = N;
786+ if(filterLength > 0)
787+ {
788+ if((long)(2*(double)1/fc) > filterLength)
789+ {
790+ std::fprintf(stderr, "!!! filterLength is too short.\n");
791+ }
792+ else
793+ {
794+ filter = filterLength;
795+ std::fprintf(stderr, "FilterLength was overriden.\n");
796+ }
797+ }
798+ if(filter % 2 == 0) filter ++;
799+
800+ setLPF(&reverbm, filter, fc, mode, kparam, cparam);
801+
802+ long upGroupDelay = (filter-1)/2;
803+ std::fprintf(stderr, "U Group Delay = %ld\n", upGroupDelay);
804+ std::fprintf(stderr, "IR Latency = %ld\n", reverbm.getLatency());
805+ groupDelay =
806+ (long)((double)(upGroupDelay + reverbm.getLatency())/(double)downFactor);
807+ std::fprintf(stderr, "Total Group Delay + Latency = %ld\n", groupDelay);
808+
809+ reverbm.setwet(0);
810+ reverbm.setwidth(1);
811+ processAll(&reverbm, &sndHandle, fBlock, fBlock*toBlock, toBlock);
812+
813+ if(clipL != 0.0||clipR != 0.0)
814+ {
815+ std::fprintf(stderr, "Clip L max: %f\n", clipL);
816+ std::fprintf(stderr, "\tshould be x %f\n", fabs(1.0/clipL));
817+ std::fprintf(stderr, "Clip L max: %f\n", clipR);
818+ std::fprintf(stderr, "\tshould be x %f\n", fabs(1.0/clipR));
819+ std::fprintf(stderr, "Use -att to reduce clipping.\n");
820+ }
821+
822+ delete output;
823+ if(pdither != NULL)
824+ {
825+ gdither_free(pdither);
826+ }
827+
828+ std::fprintf(stderr, "\n");
829+ return 0;
830+}
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