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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Abstract sound class
*/
#include "MemDebug.h"
#include "Sound.h"
#include "SoundCard.h"
#include "Wave.h"
#include "vorbis/codec.h"
#include "vorbis/vorbisfile.h"
// +--------------------------------------------------------------------+
SoundCard* Sound::creator = 0;
Sound*
Sound::CreateStream(const char* filename)
{
Sound* sound = 0;
if (!filename || !filename[0] || !creator)
return sound;
int namelen = strlen(filename);
if (namelen < 5)
return sound;
if ((filename[namelen-3] == 'o' || filename[namelen-3] == 'O') &&
(filename[namelen-2] == 'g' || filename[namelen-2] == 'G') &&
(filename[namelen-1] == 'g' || filename[namelen-1] == 'G')) {
return CreateOggStream(filename);
}
WAVE_HEADER head;
WAVE_FMT fmt;
WAVE_FACT fact;
WAVE_DATA data;
WAVEFORMATEX wfex;
ZeroMemory(&head, sizeof(head));
ZeroMemory(&fmt, sizeof(fmt));
ZeroMemory(&fact, sizeof(fact));
ZeroMemory(&data, sizeof(data));
LPBYTE buf = 0;
LPBYTE p = 0;
int len = 0;
FILE* f;
::fopen_s(&f, filename, "rb");
if (f) {
fseek(f, 0, SEEK_END);
len = ftell(f);
fseek(f, 0, SEEK_SET);
if (len > 4096) {
len = 4096;
}
buf = new(__FILE__,__LINE__) BYTE[len];
if (buf && len)
fread(buf, len, 1, f);
fclose(f);
}
if (len > sizeof(head)) {
CopyMemory(&head, buf, sizeof(head));
if (head.RIFF == MAKEFOURCC('R', 'I', 'F', 'F') &&
head.WAVE == MAKEFOURCC('W', 'A', 'V', 'E')) {
p = buf + sizeof(WAVE_HEADER);
do {
DWORD chunk_id = *((LPDWORD) p);
switch (chunk_id) {
case MAKEFOURCC('f', 'm', 't', ' '):
CopyMemory(&fmt, p, sizeof(fmt));
p += fmt.chunk_size + 8;
break;
case MAKEFOURCC('f', 'a', 'c', 't'):
CopyMemory(&fact, p, sizeof(fact));
p += fact.chunk_size + 8;
break;
case MAKEFOURCC('s', 'm', 'p', 'l'):
CopyMemory(&fact, p, sizeof(fact));
p += fact.chunk_size + 8;
break;
case MAKEFOURCC('d', 'a', 't', 'a'):
CopyMemory(&data, p, sizeof(data));
p += 8;
break;
default:
delete[] buf;
return sound;
}
}
while (data.chunk_size == 0);
wfex.wFormatTag = fmt.wFormatTag;
wfex.nChannels = fmt.nChannels;
wfex.nSamplesPerSec = fmt.nSamplesPerSec;
wfex.nAvgBytesPerSec = fmt.nAvgBytesPerSec;
wfex.nBlockAlign = fmt.nBlockAlign;
wfex.wBitsPerSample = fmt.wBitsPerSample;
wfex.cbSize = 0;
sound = Create(Sound::STREAMED, &wfex);
if (sound) {
sound->SetFilename(filename);
sound->StreamFile(filename, p - buf);
}
}
}
delete[] buf;
return sound;
}
// +--------------------------------------------------------------------+
Sound*
Sound::CreateOggStream(const char* filename)
{
Sound* sound = 0;
if (!filename || !filename[0] || !creator)
return sound;
int namelen = strlen(filename);
if (namelen < 5)
return sound;
WAVEFORMATEX wfex;
ZeroMemory(&wfex, sizeof(wfex));
FILE* f;
::fopen_s(&f, filename, "rb");
if (f) {
OggVorbis_File* povf = new(__FILE__,__LINE__) OggVorbis_File;
if (!povf) {
Print("Sound::CreateOggStream(%s) - out of memory!\n", filename);
return sound;
}
ZeroMemory(povf, sizeof(OggVorbis_File));
if (ov_open(f, povf, NULL, 0) < 0) {
Print("Sound::CreateOggStream(%s) - not an Ogg bitstream\n", filename);
delete povf;
return sound;
}
Print("\nOpened Ogg Bitstream '%s'\n", filename);
char **ptr=ov_comment(povf,-1)->user_comments;
vorbis_info *vi=ov_info(povf,-1);
while(*ptr){
Print("%s\n", *ptr);
++ptr;
}
Print("Bitstream is %d channel, %ldHz\n", vi->channels, vi->rate);
Print("Decoded length: %ld samples\n",
(long)ov_pcm_total(povf,-1));
Print("Encoded by: %s\n\n", ov_comment(povf,-1)->vendor);
wfex.wFormatTag = WAVE_FORMAT_PCM;
wfex.nChannels = vi->channels;
wfex.nSamplesPerSec = vi->rate;
wfex.nAvgBytesPerSec = vi->channels * vi->rate * 2;
wfex.nBlockAlign = vi->channels * 2;
wfex.wBitsPerSample = 16;
wfex.cbSize = 0;
sound = Create(Sound::STREAMED | Sound::OGGVORBIS,
&wfex,
sizeof(OggVorbis_File),
(LPBYTE) povf);
sound->SetFilename(filename);
}
return sound;
}
// +--------------------------------------------------------------------+
Sound*
Sound::Create(DWORD flags, LPWAVEFORMATEX format)
{
if (creator) return creator->CreateSound(flags, format);
else return 0;
}
Sound*
Sound::Create(DWORD flags, LPWAVEFORMATEX format, DWORD len, LPBYTE data)
{
if (creator) return creator->CreateSound(flags, format, len, data);
else return 0;
}
void
Sound::SetListener(const Camera& cam, const Vec3& vel)
{
if (creator)
creator->SetListener(cam, vel);
}
// +--------------------------------------------------------------------+
Sound::Sound()
: status(UNINITIALIZED), volume(0), flags(0), looped(0),
velocity(0,0,0), location(0,0,0), sound_check(0)
{
strcpy_s(filename, "Sound()");
}
// +--------------------------------------------------------------------+
Sound::~Sound()
{ }
// +--------------------------------------------------------------------+
void
Sound::Release()
{
flags &= ~LOCKED;
}
// +--------------------------------------------------------------------+
void
Sound::AddToSoundCard()
{
if (creator)
creator->AddSound(this);
}
// +--------------------------------------------------------------------+
void
Sound::SetFilename(const char* s)
{
if (s) {
int n = strlen(s);
if (n >= 60) {
ZeroMemory(filename, sizeof(filename));
strcpy_s(filename, "...");
strcat_s(filename, s + n - 59);
filename[63] = 0;
}
else {
strcpy_s(filename, s);
}
}
}
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