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some debugging checks in the resampler

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Eric Wasylishen 2011-01-18 13:31:23 -07:00
parent 31651088f8
commit 2d4649f183
1 changed files with 47 additions and 33 deletions
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80
Quake/snd_resample.c
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@ -29,48 +29,62 @@ void *Snd_Resample(int inrate, int inwidth, int innumsamples, int channels, cons
exit(5); exit(5);
} }
// Call the resampler // See if we need to resample
static SpeexResamplerState *st = NULL; if (inrate == outrate)
if (st == NULL)
{ {
st = speex_resampler_init(channels, inrate, outrate, 5, NULL); memcpy(outdata, in16bit, innumsamples * channels * 2);
*outnumsamples = innumsamples;
} }
else else
{ {
speex_resampler_reset_mem(st);
}
speex_resampler_set_rate(st, inrate, outrate);
*outnumsamples = 0;
unsigned int consumedtotal = 0;
unsigned int outputtotal = 0;
unsigned int loops = 0;
unsigned int consumed, output;
while (consumedtotal < innumsamples)
{
int roomToConsume, roomToOutput;
consumed = innumsamples - consumedtotal; // Call the resampler
output = maxsamples - outputtotal; static SpeexResamplerState *st = NULL;
if (st == NULL)
roomToConsume = consumed;
roomToOutput = output;
speex_resampler_process_interleaved_int(st, in16bit + consumedtotal, &consumed, outdata + outputtotal, &output);
consumedtotal += consumed;
outputtotal += output;
loops++;
if (loops > 100)
{ {
Con_Printf("Infinite loop\n"); st = speex_resampler_init(channels, inrate, outrate, 0, NULL);
} }
else
{
speex_resampler_reset_mem(st);
}
speex_resampler_set_rate(st, inrate, outrate);
*outnumsamples = 0;
unsigned int consumedtotal = 0;
unsigned int outputtotal = 0;
unsigned int loops = 0;
unsigned int consumed, output;
while (consumedtotal < innumsamples)
{
int roomToConsume, roomToOutput;
consumed = innumsamples - consumedtotal;
output = maxsamples - outputtotal;
roomToConsume = consumed;
roomToOutput = output;
speex_resampler_process_interleaved_int(st, in16bit + consumedtotal, &consumed, outdata + outputtotal, &output);
consumedtotal += consumed;
outputtotal += output;
loops++;
if (loops > 100)
{
Con_Printf("Infinite loop\n");
}
}
*outnumsamples = outputtotal;
if (*outnumsamples != (innumsamples / frac))
{
Con_Printf("Output %d, predicted %d\n", *outnumsamples, (innumsamples / frac));
}
//speex_resampler_destroy(resampler);
} }
*outnumsamples = outputtotal;
//speex_resampler_destroy(resampler);
if (in16bit != indata) if (in16bit != indata)
{ {
free(in16bit); free(in16bit);