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Update sound.cpp

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tobid7 2021-11-23 16:39:20 +01:00 committed by GitHub
parent a5f3e60e3a
commit c8fcce1de3
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1 changed files with 10 additions and 5 deletions
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sound.cpp
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@ -5,6 +5,7 @@
#include <cstring> #include <cstring>
#include <string> #include <string>
extern bool isndspinit;
using std::string; using std::string;
// Reference: http://yannesposito.com/Scratch/en/blog/2010-10-14-Fun-with-wav/ // Reference: http://yannesposito.com/Scratch/en/blog/2010-10-14-Fun-with-wav/
@ -25,6 +26,7 @@ typedef struct _WavHeader {
static_assert(sizeof(WavHeader) == 44, "WavHeader size is not 44 bytes."); static_assert(sizeof(WavHeader) == 44, "WavHeader size is not 44 bytes.");
sound::sound(const string& path, int channel, bool toloop) { sound::sound(const string& path, int channel, bool toloop) {
if (isndspinit){
ndspSetOutputMode(NDSP_OUTPUT_STEREO); ndspSetOutputMode(NDSP_OUTPUT_STEREO);
ndspSetOutputCount(2); // Num of buffers ndspSetOutputCount(2); // Num of buffers
@ -98,10 +100,11 @@ sound::sound(const string& path, int channel, bool toloop) {
waveBuf.nsamples = dataSize / (wavHeader.bits_per_sample >> 3); waveBuf.nsamples = dataSize / (wavHeader.bits_per_sample >> 3);
waveBuf.looping = toloop; waveBuf.looping = toloop;
waveBuf.status = NDSP_WBUF_FREE; waveBuf.status = NDSP_WBUF_FREE;
chnl = channel; chnl = channel;}
} }
sound::~sound() { sound::~sound() {
if (isndspinit){
waveBuf.data_vaddr = 0; waveBuf.data_vaddr = 0;
waveBuf.nsamples = 0; waveBuf.nsamples = 0;
waveBuf.looping = false; waveBuf.looping = false;
@ -110,16 +113,18 @@ sound::~sound() {
if (data) { if (data) {
linearFree(data); linearFree(data);
} }}
} }
void sound::play() { void sound::play() {
if (isndspinit){
if (!data) return; if (!data) return;
DSP_FlushDataCache(data, dataSize); DSP_FlushDataCache(data, dataSize);
ndspChnWaveBufAdd(chnl, &waveBuf); ndspChnWaveBufAdd(chnl, &waveBuf);}
} }
void sound::stop() { void sound::stop() {
if (isndspinit){
if (!data) return; if (!data) return;
ndspChnWaveBufClear(chnl); ndspChnWaveBufClear(chnl);}
} }