57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
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#include "config.h"
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#include "../compat/compat.h"
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#include "../libmpg123/dither.h"
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#include "../common/debug.h"
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/* Directly include the code for testing, avoiding
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build of same object with and without libtool. */
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#include "../libmpg123/dither_impl.h"
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const char *typenames[] = { "white", "tpdf", "highpass_tpdf" };
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enum mpg123_noise_type types[] = { mpg123_white_noise, mpg123_tpdf_noise, mpg123_highpass_tpdf_noise };
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int main(int argc, char **argv)
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{
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size_t i;
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size_t count = DITHERSIZE;
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float *table;
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enum mpg123_noise_type type = mpg123_highpass_tpdf_noise;
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fprintf(stderr, "Note: You could give two optional arguments: noise type and table size (number count).\n");
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if(argc > 1)
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{
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const char *typename = argv[1];
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for(i=0; i<sizeof(typenames)/sizeof(char*); ++i)
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if(strcmp(typename, typenames[i]) == 0)
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{
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type = types[i];
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break;
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}
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if(i == sizeof(typenames)/sizeof(char*))
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{
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error("Unknown noise type!");
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return -1;
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}
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}
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if(argc > 2)
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{
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count = (size_t) atol(argv[2]);
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}
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table = malloc(sizeof(float)*count);
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if(table == NULL)
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{
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error("Cannot allocate memory for noise table!");
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return -2;
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}
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mpg123_noise(table, count, type);
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for(i=0; i<count; ++i)
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printf("%g\n", table[i]);
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free(table);
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return 0;
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}
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