more types

This commit is contained in:
Glenn Maynard
2004-05-11 20:37:30 +00:00
parent 17207ba6b5
commit cf8f294e7d
2 changed files with 12 additions and 14 deletions
+10 -10
View File
@@ -32,9 +32,9 @@ void RageSoundResampler::write(const void *data_, int bytes)
{ {
ASSERT(!at_eof); ASSERT(!at_eof);
const Sint16 *data = (const Sint16 *) data_; const int16_t *data = (const int16_t *) data_;
const unsigned samples = bytes / sizeof(Sint16); const unsigned samples = bytes / sizeof(int16_t);
const unsigned frames = samples / channels; const unsigned frames = samples / channels;
if(InputRate == OutputRate) if(InputRate == OutputRate)
@@ -58,7 +58,7 @@ void RageSoundResampler::write(const void *data_, int bytes)
for(int c = 0; c < channels; ++c) for(int c = 0; c < channels; ++c)
{ {
const float f = 0.5f; const float f = 0.5f;
prev[c] = Sint16(prev[c] * (f) + data[c] * (1-f)); prev[c] = int16_t(prev[c] * (f) + data[c] * (1-f));
for(int i = ipos_begin; i < ipos_end; ++i) for(int i = ipos_begin; i < ipos_end; ++i)
outbuf.push_back(prev[c]); outbuf.push_back(prev[c]);
} }
@@ -75,7 +75,7 @@ void RageSoundResampler::write(const void *data_, int bytes)
{ {
while(t[c] < 1.0f) while(t[c] < 1.0f)
{ {
Sint16 s = Sint16(prev[c]*(1-t[c]) + data[c]*t[c]); int16_t s = int16_t(prev[c]*(1-t[c]) + data[c]*t[c]);
outbuf.push_back(s); outbuf.push_back(s);
t[c] += div; t[c] += div;
} }
@@ -105,9 +105,9 @@ void RageSoundResampler::eof()
if( bNeedsFlush ) if( bNeedsFlush )
{ {
const int size = channels*16; const int size = channels*16;
Sint16 *data = new Sint16[size]; int16_t *data = new int16_t[size];
memset(data, 0, size * sizeof(Sint16)); memset(data, 0, size * sizeof(int16_t));
write(data, size * sizeof(Sint16)); write(data, size * sizeof(int16_t));
delete [] data; delete [] data;
} }
@@ -118,16 +118,16 @@ void RageSoundResampler::eof()
int RageSoundResampler::read(void *data, unsigned bytes) int RageSoundResampler::read(void *data, unsigned bytes)
{ {
/* Don't be silly. */ /* Don't be silly. */
ASSERT( (bytes % sizeof(Sint16)) == 0); ASSERT( (bytes % sizeof(int16_t)) == 0);
/* If no data is available, and we're at_eof, return -1. */ /* If no data is available, and we're at_eof, return -1. */
if(outbuf.size() == 0 && at_eof) if(outbuf.size() == 0 && at_eof)
return -1; return -1;
/* Fill as much as we have. */ /* Fill as much as we have. */
int Avail = min(outbuf.size()*sizeof(Sint16), bytes); int Avail = min(outbuf.size()*sizeof(int16_t), bytes);
memcpy(data, &outbuf[0], Avail); memcpy(data, &outbuf[0], Avail);
outbuf.erase(outbuf.begin(), outbuf.begin() + Avail/sizeof(Sint16)); outbuf.erase(outbuf.begin(), outbuf.begin() + Avail/sizeof(int16_t));
return Avail; return Avail;
} }
+2 -4
View File
@@ -1,17 +1,15 @@
#ifndef RAGE_SOUND_RESAMPLER_H #ifndef RAGE_SOUND_RESAMPLER_H
#define RAGE_SOUND_RESAMPLER_H #define RAGE_SOUND_RESAMPLER_H
#include "SDL_utils.h"
enum { MAX_CHANNELS = 15 }; enum { MAX_CHANNELS = 15 };
class RageSoundResampler class RageSoundResampler
{ {
int InputRate, OutputRate; int InputRate, OutputRate;
Sint16 prev[MAX_CHANNELS]; int16_t prev[MAX_CHANNELS];
vector<Sint16> outbuf; vector<int16_t> outbuf;
bool at_eof; bool at_eof;
int ipos; int ipos;