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Backport dec77b00d7

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This commit is contained in:
twinaphex 2021-04-05 16:46:27 +02:00
parent d65f5fd4cf
commit 6363e0e46b
1 changed files with 0 additions and 8 deletions
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8
mednafen/sound/Blip_Buffer.c
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@ -2,7 +2,6 @@
#include "../include/blip/Blip_Buffer.h"
#include <assert.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
@ -73,8 +72,6 @@ blargg_err_t Blip_Buffer_set_sample_rate(Blip_Buffer* bbuf, long new_rate, int m
blip_s64 s = ((blip_s64)new_rate * (msec + 1) + 999) / 1000;
if (s < new_size)
new_size = s;
else
assert(0); // fails if requested buffer length exceeds limit
}
if (bbuf->buffer_size != new_size)
@ -91,8 +88,6 @@ blargg_err_t Blip_Buffer_set_sample_rate(Blip_Buffer* bbuf, long new_rate, int m
// update things based on the sample rate
bbuf->sample_rate = new_rate;
bbuf->length = new_size * 1000 / new_rate - 1;
if (msec)
assert(bbuf->length == msec); // ensure length is same as that passed in
if (bbuf->clock_rate)
Blip_Buffer_set_clock_rate(bbuf, bbuf->clock_rate);
Blip_Buffer_bass_freq(bbuf, bbuf->bass_freq);
@ -107,7 +102,6 @@ blip_resampled_time_t Blip_Buffer_clock_rate_factor(Blip_Buffer* bbuf,
{
double ratio = (double) bbuf->sample_rate / rate;
blip_s64 factor = (blip_s64) floor(ratio * (1LL << BLIP_BUFFER_ACCURACY) + 0.5);
assert(factor > 0 || !bbuf->sample_rate); // fails if clock/output ratio is too large
return (blip_resampled_time_t) factor;
}
@ -129,12 +123,10 @@ void Blip_Buffer_bass_freq(Blip_Buffer* bbuf, int freq)
void Blip_Buffer_end_frame(Blip_Buffer* bbuf, blip_time_t t)
{
bbuf->offset += t * bbuf->factor;
assert(Blip_Buffer_samples_avail(bbuf) <= (long) bbuf->buffer_size); // time outside buffer length
}
void Blip_Buffer_remove_silence(Blip_Buffer* bbuf, long count)
{
assert(count <= Blip_Buffer_samples_avail(bbuf)); // tried to remove more samples than available
bbuf->offset -= (blip_resampled_time_t) count << BLIP_BUFFER_ACCURACY;
}