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+/* Starshatter OpenSource Distribution
+ Copyright (c) 1997-2004, Destroyer Studios LLC.
+ All Rights Reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name "Destroyer Studios" nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ SUBSYSTEM: nGenEx.lib
+ FILE: Sound.cpp
+ 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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