Version 0.1.8 from FTP
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@306 f38db490-d61c-443f-a65b-d21fe96a405b
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@ -19,6 +19,8 @@ CHANNEL_LIBS+=$(shell [ -f /usr/include/linux/ixjuser.h ] && echo chan_phone.so)
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CFLAGS+=-Wno-missing-prototypes -Wno-missing-declarations
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CFLAGS+=$(shell [ ! -f /usr/include/linux/if_wanpipe.h ] && echo " -DOLD_SANGOMA_API")
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CFLAGS+=$(shell [ -f /usr/lib/libpri.so.1 ] && echo " -DTORMENTA_PRI")
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TORPRI=$(shell [ -f /usr/lib/libpri.so.1 ] && echo "-lpri")
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CFLAGS+=#-DVOFRDUMPER
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@ -31,16 +33,24 @@ all: $(CHANNEL_LIBS)
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clean:
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rm -f *.so *.o
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rm -f busy.h ringtone.h gentone
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%.so : %.o
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$(CC) -shared -Xlinker -x -o $@ $<
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#libiax.a: libiax.o
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# rm -f libiax.a
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# $(AR) cr libiax.a libiax.o
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gentone: gentone.c
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$(CC) -o gentone gentone.c -lm
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busy.h: gentone
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./gentone busy 480 620
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ringtone.h: gentone
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./gentone ringtone 440 480
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chan_oss.o: chan_oss.c busy.h ringtone.h
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chan_tor.so: chan_tor.o
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$(CC) -shared -Xlinker -x -o $@ $< -lzap -ltonezone
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$(CC) -shared -Xlinker -x -o $@ $< $(TORPRI) -lzap -ltonezone
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#chan_modem.so : chan_modem.o
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# $(CC) -rdynamic -shared -Xlinker -x -o $@ $<
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@ -0,0 +1,95 @@
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/* Generate a header file for a particular
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single or double frequency */
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#include <stdio.h>
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#include <math.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#define CLIP 32635
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#define BIAS 0x84
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static float loudness=16384.0;
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static int calc_samples(int freq)
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{
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int x, samples;
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/* Calculate the number of samples at 8000hz sampling
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we need to have this wave form */
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samples = 8000;
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/* Take out common 2's up to six times */
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for (x=0;x<6;x++)
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if (!(freq % 2)) {
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freq /= 2;
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samples /= 2;
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}
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/* Take out common 5's (up to three times */
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for (x=0;x<3;x++)
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if (!(freq % 5)) {
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freq /= 5;
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samples /=5;
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}
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/* No more common factors. */
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return samples;
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}
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int main(int argc, char *argv[])
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{
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FILE *f;
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int freq1, freq2;
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float wlen1, wlen2;
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float val;
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int x, samples1, samples2, samples=0;
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char fn[256];
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if (argc < 3) {
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fprintf(stderr, "Usage: gensound <name> <freq1> [freq2]\n");
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exit(1);
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}
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freq1 = atoi(argv[2]);
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if (argc > 3)
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freq2 = atoi(argv[3]);
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else
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freq2 = 0;
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wlen1 = 8000.0/(float)freq1;
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samples1 = calc_samples(freq1);
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printf("Wavelength 1 (in samples): %10.5f\n", wlen1);
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printf("Minimum samples (1): %d (%f.3 wavelengths)\n", samples1, samples1 / wlen1);
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if (freq2) {
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wlen2 = 8000.0/(float)freq2;
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samples2 = calc_samples(freq2);
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printf("Wavelength 1 (in samples): %10.5f\n", wlen2);
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printf("Minimum samples (1): %d (%f.3 wavelengths)\n", samples2, samples2 / wlen2);
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}
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samples = samples1;
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if (freq2) {
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while(samples % samples2)
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samples += samples1;
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}
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printf("Need %d samples\n", samples);
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snprintf(fn, sizeof(fn), "%s.h", argv[1]);
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if ((f = fopen(fn, "w"))) {
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if (freq2)
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fprintf(f, "/* %s: Generated from frequencies %d and %d \n"
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" by gensound. %d samples */\n", fn, freq1, freq2, samples);
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else
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fprintf(f, "/* %s: Generated from frequency %d\n"
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" by gensound. %d samples */\n", fn, freq1, samples);
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fprintf(f, "static short %s[%d] = {\n\t", argv[1], samples);
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for (x=0;x<samples;x++) {
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val = loudness * sin((freq1 * 2.0 * M_PI * x)/8000.0);
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if (freq2)
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val += loudness * sin((freq2 * 2.0 * M_PI * x)/8000.0);
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fprintf(f, "%5d, ", (int)val);
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if (!((x+1) % 8))
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fprintf(f, "\n\t");
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}
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if (x % 15)
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fprintf(f, "\n");
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fprintf(f, "};\n");
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fclose(f);
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printf("Wrote %s\n", fn);
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} else {
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fprintf(stderr, "Unable to open %s for writing\n", fn);
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return 1;
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}
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return 0;
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}
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