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Add rate control simulation to resampler test.

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Themaister 2013-02-28 17:14:34 +01:00
parent 4a0eb19698
commit 2499cccb1a
1 changed files with 13 additions and 3 deletions
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16
audio/test/main.c
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@ -29,11 +29,18 @@ int main(int argc, char *argv[])
float input_f[1024];
float output_f[1024 * 8];
if (argc != 3)
double ratio_max_deviation = 0.0;
if (argc < 3 || argc > 4)
{
fprintf(stderr, "Usage: %s <in-rate> <out-rate> (max ratio: 8.0)\n", argv[0]);
fprintf(stderr, "Usage: %s <in-rate> <out-rate> [ratio deviation] (max ratio: 8.0)\n", argv[0]);
return 1;
}
else if (argc == 4)
{
ratio_max_deviation = fabs(strtod(argv[3], NULL));
fprintf(stderr, "Ratio deviation: %.4f.\n", ratio_max_deviation);
}
double in_rate = strtod(argv[1], NULL);
double out_rate = strtod(argv[2], NULL);
@ -58,13 +65,16 @@ int main(int argc, char *argv[])
if (fread(input_i, sizeof(int16_t), 1024, stdin) != 1024)
break;
double uniform = (2.0 * rand()) / RAND_MAX - 1.0;
double rate_mod = 1.0 + ratio_max_deviation * uniform;
audio_convert_s16_to_float(input_f, input_i, 1024, 1.0f);
struct resampler_data data = {
.data_in = input_f,
.data_out = output_f,
.input_frames = sizeof(input_f) / (2 * sizeof(float)),
.ratio = ratio,
.ratio = ratio * rate_mod,
};
rarch_resampler_process(resampler, re, &data);