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Format to LLVL

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tobid7vx
2022-11-12 23:19:41 +01:00
parent 36e5676d9f
commit 8b70d0e9b7
44 changed files with 4869 additions and 4889 deletions
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190
source/sound.cpp
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@@ -10,121 +10,125 @@ using std::string;
// Reference: http://yannesposito.com/Scratch/en/blog/2010-10-14-Fun-with-wav/
typedef struct _WavHeader {
char magic[4]; // "RIFF"
u32 totallength; // Total file length, minus 8.
char wavefmt[8]; // Should be "WAVEfmt "
u32 format; // 16 for PCM format
u16 pcm; // 1 for PCM format
u16 channels; // Channels
u32 frequency; // Sampling frequency
u32 bytes_per_second;
u16 bytes_by_capture;
u16 bits_per_sample;
char data[4]; // "data"
u32 bytes_in_data;
char magic[4]; // "RIFF"
u32 totallength; // Total file length, minus 8.
char wavefmt[8]; // Should be "WAVEfmt "
u32 format; // 16 for PCM format
u16 pcm; // 1 for PCM format
u16 channels; // Channels
u32 frequency; // Sampling frequency
u32 bytes_per_second;
u16 bytes_by_capture;
u16 bits_per_sample;
char data[4]; // "data"
u32 bytes_in_data;
} WavHeader;
static_assert(sizeof(WavHeader) == 44, "WavHeader size is not 44 bytes.");
sound::sound(const string& path, int channel, bool toloop) {
if (isndspinit){
ndspSetOutputMode(NDSP_OUTPUT_STEREO);
ndspSetOutputCount(2); // Num of buffers
sound::sound(const string &path, int channel, bool toloop) {
if (isndspinit) {
ndspSetOutputMode(NDSP_OUTPUT_STEREO);
ndspSetOutputCount(2); // Num of buffers
// Reading wav file
FILE* fp = fopen(path.c_str(), "rb");
// Reading wav file
FILE *fp = fopen(path.c_str(), "rb");
if (!fp) {
printf("Could not open the WAV file: %s\n", path.c_str());
return;
}
if (!fp) {
printf("Could not open the WAV file: %s\n", path.c_str());
return;
}
WavHeader wavHeader;
size_t read = fread(&wavHeader, 1, sizeof(wavHeader), fp);
if (read != sizeof(wavHeader)) {
// Short read.
printf("WAV file header is too short: %s\n", path.c_str());
fclose(fp);
return;
}
WavHeader wavHeader;
size_t read = fread(&wavHeader, 1, sizeof(wavHeader), fp);
if (read != sizeof(wavHeader)) {
// Short read.
printf("WAV file header is too short: %s\n", path.c_str());
fclose(fp);
return;
}
// Verify the header.
static const char RIFF_magic[4] = {'R','I','F','F'};
if (memcmp(wavHeader.magic, RIFF_magic, sizeof(wavHeader.magic)) != 0) {
// Incorrect magic number.
printf("Wrong file format.\n");
fclose(fp);
return;
}
// Verify the header.
static const char RIFF_magic[4] = {'R', 'I', 'F', 'F'};
if (memcmp(wavHeader.magic, RIFF_magic, sizeof(wavHeader.magic)) != 0) {
// Incorrect magic number.
printf("Wrong file format.\n");
fclose(fp);
return;
}
if (wavHeader.totallength == 0 ||
(wavHeader.channels != 1 && wavHeader.channels != 2) ||
(wavHeader.bits_per_sample != 8 && wavHeader.bits_per_sample != 16)) {
// Unsupported WAV file.
printf("Corrupted wav file.\n");
fclose(fp);
return;
}
if (wavHeader.totallength == 0 ||
(wavHeader.channels != 1 && wavHeader.channels != 2) ||
(wavHeader.bits_per_sample != 8 && wavHeader.bits_per_sample != 16)) {
// Unsupported WAV file.
printf("Corrupted wav file.\n");
fclose(fp);
return;
}
// Get the file size.
fseek(fp, 0, SEEK_END);
dataSize = ftell(fp) - sizeof(wavHeader);
// Get the file size.
fseek(fp, 0, SEEK_END);
dataSize = ftell(fp) - sizeof(wavHeader);
// Allocating and reading samples
data = static_cast<u8*>(linearAlloc(dataSize));
fseek(fp, 44, SEEK_SET);
fread(data, 1, dataSize, fp);
fclose(fp);
dataSize /= 2; // FIXME: 16-bit or stereo?
// Allocating and reading samples
data = static_cast<u8 *>(linearAlloc(dataSize));
fseek(fp, 44, SEEK_SET);
fread(data, 1, dataSize, fp);
fclose(fp);
dataSize /= 2; // FIXME: 16-bit or stereo?
// Find the right format
u16 ndspFormat;
if (wavHeader.bits_per_sample == 8) {
ndspFormat = (wavHeader.channels == 1) ?
NDSP_FORMAT_MONO_PCM8 :
NDSP_FORMAT_STEREO_PCM8;
} else {
ndspFormat = (wavHeader.channels == 1) ?
NDSP_FORMAT_MONO_PCM16 :
NDSP_FORMAT_STEREO_PCM16;
}
// Find the right format
u16 ndspFormat;
if (wavHeader.bits_per_sample == 8) {
ndspFormat = (wavHeader.channels == 1) ? NDSP_FORMAT_MONO_PCM8
: NDSP_FORMAT_STEREO_PCM8;
} else {
ndspFormat = (wavHeader.channels == 1) ? NDSP_FORMAT_MONO_PCM16
: NDSP_FORMAT_STEREO_PCM16;
}
ndspChnReset(channel);
ndspChnSetInterp(channel, NDSP_INTERP_NONE);
ndspChnSetRate(channel, float(wavHeader.frequency));
ndspChnSetFormat(channel, ndspFormat);
ndspChnReset(channel);
ndspChnSetInterp(channel, NDSP_INTERP_NONE);
ndspChnSetRate(channel, float(wavHeader.frequency));
ndspChnSetFormat(channel, ndspFormat);
// Create and play a wav buffer
memset(&waveBuf, 0, sizeof(waveBuf));
// Create and play a wav buffer
memset(&waveBuf, 0, sizeof(waveBuf));
waveBuf.data_vaddr = reinterpret_cast<u32*>(data);
waveBuf.nsamples = dataSize / (wavHeader.bits_per_sample >> 3);
waveBuf.looping = toloop;
waveBuf.status = NDSP_WBUF_FREE;
chnl = channel;}
waveBuf.data_vaddr = reinterpret_cast<u32 *>(data);
waveBuf.nsamples = dataSize / (wavHeader.bits_per_sample >> 3);
waveBuf.looping = toloop;
waveBuf.status = NDSP_WBUF_FREE;
chnl = channel;
}
}
sound::~sound() {
if (isndspinit){
waveBuf.data_vaddr = 0;
waveBuf.nsamples = 0;
waveBuf.looping = false;
waveBuf.status = 0;
ndspChnWaveBufClear(chnl);
if (isndspinit) {
waveBuf.data_vaddr = 0;
waveBuf.nsamples = 0;
waveBuf.looping = false;
waveBuf.status = 0;
ndspChnWaveBufClear(chnl);
if (data) {
linearFree(data);
}}
if (data) {
linearFree(data);
}
}
}
void sound::play() {
if (isndspinit){
if (!data) return;
DSP_FlushDataCache(data, dataSize);
ndspChnWaveBufAdd(chnl, &waveBuf);}
if (isndspinit) {
if (!data)
return;
DSP_FlushDataCache(data, dataSize);
ndspChnWaveBufAdd(chnl, &waveBuf);
}
}
void sound::stop() {
if (isndspinit){
if (!data) return;
ndspChnWaveBufClear(chnl);}
if (isndspinit) {
if (!data)
return;
ndspChnWaveBufClear(chnl);
}
}