65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
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/*
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tsrc.c
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David Rowe
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Sat Nov 3 2012
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Unit test for libresample code.
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*/
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#include <assert.h>
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <samplerate.h>
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#define N8 160 /* processing buffer size at 8 kHz */
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#define N48 ((int)N8*(48000/8000)) /* buf size assuming 48k max sample rate */
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int main(int argc, char *argv[]) {
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FILE *f8k, *fout;
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short in8k_short[N8];
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float in8k[N8];
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float out[N48];
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short out_short[N48];
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SRC_STATE *src;
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SRC_DATA data;
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int error;
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if (argc != 4) {
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printf("usage %s inputRawFile OutputRawFile OutputSamplerate\n", argv[0]);
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exit(0);
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}
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f8k = fopen(argv[1], "rb");
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assert(f8k != NULL);
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fout = fopen(argv[2], "wb");
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assert(fout != NULL);
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src = src_new(SRC_SINC_FASTEST, 1, &error);
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assert(src != NULL);
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data.data_in = in8k;
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data.data_out = out;
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data.input_frames = N8;
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data.output_frames = N48;
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data.end_of_input = 0;
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data.src_ratio = atof(argv[3])/8000;
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printf("%f\n", data.src_ratio);
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while(fread(in8k_short, sizeof(short), N8, f8k) == N8) {
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src_short_to_float_array(in8k_short, in8k, N8);
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src_process(src, &data);
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printf("%d %d\n", (int)data.output_frames , (int)data.output_frames_gen);
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assert(data.output_frames_gen <= N48);
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src_float_to_short_array(out, out_short, data.output_frames_gen);
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fwrite(out_short, sizeof(short), data.output_frames_gen, fout);
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}
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fclose(fout);
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fclose(f8k);
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return 0;
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}
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