diff options
Diffstat (limited to 'Stars45/SoundD3D.cpp')
| -rw-r--r-- | Stars45/SoundD3D.cpp | 1321 |
1 files changed, 1321 insertions, 0 deletions
diff --git a/Stars45/SoundD3D.cpp b/Stars45/SoundD3D.cpp new file mode 100644 index 0000000..a148e69 --- /dev/null +++ b/Stars45/SoundD3D.cpp @@ -0,0 +1,1321 @@ +/* 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: SoundD3D.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + DirectSound and DirectSound3D (sound card) class +*/ + +//#define INITGUID +#include <objbase.h> +#include <cguid.h> +#include <mmsystem.h> +#include <dsound.h> + + +#include "MemDebug.h" +#include "SoundD3D.h" +#include "Game.h" + +#ifdef DIRECT_SOUND_3D +#include "ia3d.h" +#endif + +// +--------------------------------------------------------------------+ + +void Print(const char* msg, ...); +char* DSErrStr(HRESULT dserr); +void SoundD3DError(const char* msg, HRESULT dserr); + +static int DS3D_report_errors = 1; + +#ifndef RELEASE +#define RELEASE(x) if (x) { x->Release(); x=NULL; } +#endif + +// +====================================================================+ +// | SOUND CARD D3D +// +====================================================================+ + +SoundCardD3D::SoundCardD3D(HWND hwnd) +: soundcard(0), primary(0) +{ + HRESULT err = 0; + status = SC_ERROR; + + // 1) Get interface to DirectSound object: + +#ifdef DIRECT_SOUND_3D + CoInitialize(NULL); + err = CoCreateInstance(CLSID_A3d, NULL, CLSCTX_INPROC_SERVER, + IID_IDirectSound, (VOID **)&soundcard); + + if (SUCCEEDED(err)) { + soundcard->Initialize(NULL); + SoundD3DError("Initialized Aureal3D Sound", 0); + } + else { + SoundD3DError("Could not initialize Aureal3D Sound", err); + SoundD3DError("Proceding with standard DirectSoundCreate", 0); +#endif + + err = DirectSoundCreate(0, &soundcard, 0); + if (FAILED(err)) { + SoundD3DError("Could not create DirectSound object.", err); + soundcard = 0; + primary = 0; + return; + } + +#ifdef DIRECT_SOUND_3D + } +#endif + + // 2) Set the cooperative level: + err = soundcard->SetCooperativeLevel(hwnd, DSSCL_PRIORITY); + if (FAILED(err)) { + SoundD3DError("Could not set cooperative level.", err); + RELEASE(soundcard); + return; + } + + // Prepare to initialize the primary buffer: + DSCAPS caps; + memset(&caps, 0, sizeof(caps)); + caps.dwSize = sizeof(caps); + + err = soundcard->GetCaps(&caps); + if (FAILED(err)) { + SoundD3DError("Could not get soundcard caps.", err); + RELEASE(soundcard); + return; + } + + if (caps.dwFlags & DSCAPS_EMULDRIVER) + Print(" WARNING: using DirectSound emulated drivers\n"); + + memset(&dsbd, 0, sizeof(dsbd)); + dsbd.dwSize = sizeof(dsbd); + +#ifdef DIRECT_SOUND_3D + int use_ds3d = true; + + // 3) Set up the primary buffer (try to use DS3D): + dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER | DSBCAPS_CTRL3D; + + err = soundcard->CreateSoundBuffer(&dsbd, &primary, 0); + if (err == DSERR_CONTROLUNAVAIL) { + use_ds3d = false; + + // try again, without using DS3D + dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER | DSBCAPS_CTRLDEFAULT; + + err = soundcard->CreateSoundBuffer(&dsbd, &primary, 0); + if (FAILED(err)) { + SoundD3DError("Could not initialize primary buffer", err); + RELEASE(soundcard); + return; + } + else { + Print(" WARNING: DirectSound3D is not available, simulating instead\n"); + } + } + + // 4) Set up the listener: + if (primary && use_ds3d) { + err = primary->QueryInterface(IID_IDirectSound3DListener, (void**)&listener); + if (FAILED(err)) { + SoundD3DError("Could not get listener interface", err); + } + else { + listener->SetPosition(0.0f, 0.0f, 0.0f, DS3D_IMMEDIATE); + listener->SetOrientation(0.0f, 0.0f, 1.0f, + 0.0f, 1.0f, 0.0f, DS3D_IMMEDIATE); + } + } + +#else + // 3) Set up the primary buffer: + dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER; + + err = soundcard->CreateSoundBuffer(&dsbd, &primary, 0); + if (FAILED(err)) { + SoundD3DError("Could not initialize primary buffer", err); + RELEASE(soundcard); + return; + } +#endif + + // 5) Set primary buffer parameters to 16 bit STEREO at 44kHz + SetFormat(16, 2, 44100); + + // read back the result format and display to the log file: + GetFormat(0); + ShowFormat(); + + status = SC_OK; +} + +// +--------------------------------------------------------------------+ + +SoundCardD3D::~SoundCardD3D() +{ + ListIter<Sound> iter = sounds; + while (++iter) { + Sound* s = iter.value(); + s->Stop(); + } + + sounds.destroy(); + +#ifdef DIRECT_SOUND_3D + RELEASE(listener); +#endif + + RELEASE(primary); + RELEASE(soundcard); + + Print(" SoundCardD3D: shutdown\n"); + + status = SC_UNINITIALIZED; +} + +// +--------------------------------------------------------------------+ + +bool +SoundCardD3D::SetFormat(int bits, int channels, int hertz) +{ + if (!soundcard) return false; + + DSCAPS caps; + memset(&caps, 0, sizeof(caps)); + caps.dwSize = sizeof(caps); + soundcard->GetCaps(&caps); + + if (!(caps.dwFlags & DSCAPS_PRIMARY16BIT)) bits = 8; + if (!(caps.dwFlags & DSCAPS_PRIMARYSTEREO)) channels = 1; + + memset(&wfex, 0, sizeof(wfex)); + + wfex.wFormatTag = WAVE_FORMAT_PCM; + wfex.nChannels = channels; + wfex.nSamplesPerSec = hertz; + wfex.nBlockAlign = (channels * bits) / 8; + wfex.nAvgBytesPerSec = wfex.nSamplesPerSec * wfex.nBlockAlign; + wfex.wBitsPerSample = bits; + + return SetFormat(&wfex); +} + +// +--------------------------------------------------------------------+ + +bool +SoundCardD3D::SetFormat(LPWAVEFORMATEX format) +{ + HRESULT err = E_FAIL; + + if (primary) + err = primary->SetFormat(format); + + return SUCCEEDED(err); +} + +// +--------------------------------------------------------------------+ + +bool +SoundCardD3D::GetFormat(LPWAVEFORMATEX format) +{ + if (!format) format = &wfex; + + HRESULT err = E_FAIL; + + if (primary) + err = primary->GetFormat(format, sizeof(WAVEFORMATEX), 0); + + return SUCCEEDED(err); +} + +// +--------------------------------------------------------------------+ + +void +SoundCardD3D::ShowFormat() +{ + Print(" SoundCardD3D Primary Buffer Format:\n"); + Print(" bits: %d\n", wfex.wBitsPerSample); + Print(" chls: %d\n", wfex.nChannels); + Print(" rate: %d\n\n", wfex.nSamplesPerSec); +} + +// +--------------------------------------------------------------------+ + +Sound* +SoundCardD3D::CreateSound(DWORD flags, LPWAVEFORMATEX format) +{ + if (!soundcard) return 0; + + Sound* result = new(__FILE__,__LINE__) SoundD3D(soundcard, flags, format); + if (result) AddSound(result); + return result; +} + +// +--------------------------------------------------------------------+ + +Sound* +SoundCardD3D::CreateSound(DWORD flags, LPWAVEFORMATEX format, DWORD len, LPBYTE data) +{ + if (!soundcard) return 0; + Sound* result = new(__FILE__,__LINE__) SoundD3D(soundcard, flags, format, len, data); + + if (flags & (Sound::STREAMED | Sound::OGGVORBIS)) { + if (result) + AddSound(result); + } + + return result; +} + +// +--------------------------------------------------------------------+ + +void +SoundCardD3D::SetListener(const Camera& cam, const Vec3& vel) +{ + Point pos = cam.Pos(); + +#ifdef DIRECT_SOUND_3D + listener->SetPosition((float) pos.x, (float) pos.z, (float) pos.y, DS3D_IMMEDIATE); + listener->SetOrientation((float) cam.vpn().x, (float) cam.vpn().y, (float) cam.vpn().z, + (float) cam.vup().x, (float) cam.vup().y, (float) cam.vup().z, + DS3D_IMMEDIATE); + listener->SetVelocity(vel.x, vel.y, vel.z, DS3D_IMMEDIATE); +#else + listener.Clone(cam); + listener.MoveTo(pos.x, pos.z, pos.y); + velocity = vel; +#endif +} + +// +--------------------------------------------------------------------+ + +bool +SoundCardD3D::Pause() +{ + AutoThreadSync a(sync); + + ListIter<Sound> iter = sounds; + while (++iter) { + Sound* s = iter.value(); + + if ((s->GetFlags() & Sound::INTERFACE) == 0) + s->Pause(); + } + + return true; +} + +// +--------------------------------------------------------------------+ + +bool +SoundCardD3D::Resume() +{ + AutoThreadSync a(sync); + + ListIter<Sound> iter = sounds; + while (++iter) { + Sound* s = iter.value(); + + if (s->IsReady()) + s->Play(); + } + + return true; +} + +// +--------------------------------------------------------------------+ + +bool +SoundCardD3D::StopSoundEffects() +{ + AutoThreadSync a(sync); + + DWORD ok_sounds = (Sound::INTERFACE | Sound::OGGVORBIS | Sound::RESOURCE); + + ListIter<Sound> iter = sounds; + while (++iter) { + Sound* s = iter.value(); + + if ((s->GetFlags() & ok_sounds) == 0) + s->Stop(); + } + + return true; +} + +// +====================================================================+ +// | SOUND D3D +// +====================================================================+ + +SoundD3D::SoundD3D(LPDIRECTSOUND card, DWORD flag_req, LPWAVEFORMATEX format) +: soundcard(card), buffer(0), min_dist(1.0f), max_dist(100000.0f), +stream(0), stream_left(0), min_safety(0), read_size(0), transfer(0), w(0), r(0), +stream_offset(0), data_len(0), data(0), moved(false), eos_written(false), eos_latch(0), +ov_file(0), total_time(0) +{ + flags = flag_req; + + CopyMemory(&wfex, format, sizeof(wfex)); + ZeroMemory(&dsbd, sizeof(dsbd)); + + dsbd.dwSize = sizeof(dsbd); + dsbd.dwFlags = DSBCAPS_CTRLVOLUME /* | DSBCAPS_GETCURRENTPOSITION2 */; + dsbd.lpwfxFormat = &wfex; + +#ifdef DIRECT_SOUND_3D + sound3d = 0; + if (flags & LOCALIZED) + if (flags & LOC_3D) + dsbd.dwFlags |= DSBCAPS_CTRL3D; + else + dsbd.dwFlags |= DSBCAPS_CTRLPAN | DSBCAPS_CTRLFREQUENCY; +#else + dsbd.dwFlags |= DSBCAPS_LOCSOFTWARE; + + if (flags & LOCALIZED) + dsbd.dwFlags |= DSBCAPS_CTRLPAN | DSBCAPS_CTRLFREQUENCY; +#endif + +} + +// +--------------------------------------------------------------------+ +// SOUND RESOURCE CONSTRUCTOR: +// (Now also used to create Ogg Vorbis streaming sound objects) + +SoundD3D::SoundD3D(LPDIRECTSOUND card, DWORD flag_req, LPWAVEFORMATEX format, DWORD len, LPBYTE pData) +: soundcard(card), buffer(0), min_dist(1.0f), max_dist(100000.0f), +stream(0), stream_left(0), min_safety(0), read_size(0), transfer(0), w(0), r(0), +stream_offset(0), data_len(0), data(0), moved(false), eos_written(false), eos_latch(0), +ov_file(0) +{ + flags = flag_req; + + if (!(flags & (STREAMED | OGGVORBIS))) + flags = flag_req | RESOURCE; + + CopyMemory(&wfex, format, sizeof(wfex)); + ZeroMemory(&dsbd, sizeof(dsbd)); + + dsbd.dwSize = sizeof(dsbd); + dsbd.dwFlags = DSBCAPS_CTRLVOLUME /* | DSBCAPS_GETCURRENTPOSITION2 */; + dsbd.lpwfxFormat = &wfex; + +#ifdef DIRECT_SOUND_3D + sound3d = 0; + if (flags & LOCALIZED) + if (flags & LOC_3D) + dsbd.dwFlags |= DSBCAPS_CTRL3D; + else + dsbd.dwFlags |= DSBCAPS_CTRLPAN | DSBCAPS_CTRLFREQUENCY; +#else + if (flags & LOCALIZED) + dsbd.dwFlags |= DSBCAPS_CTRLPAN | DSBCAPS_CTRLFREQUENCY; +#endif + + if (len) { + // If this is an OGG VORBIS streaming sound, + // the parameter that normally points to the actual data + // is used to pass in an Ogg Vorbis file structure instead: + + if (flags & OGGVORBIS) { + ov_file = (OggVorbis_File*) pData; + StreamOggFile(); + } + + else { + data_len = len; + data = new(__FILE__,__LINE__) BYTE[len]; + + if (!data) { + data_len = 0; + } + + else { + CopyMemory(data, pData, data_len); + Load(data_len, data); + } + } + } +} + +// +--------------------------------------------------------------------+ + +SoundD3D::~SoundD3D() +{ + delete [] data; + delete [] transfer; + + if (ov_file) { + ov_clear(ov_file); + delete ov_file; + } + + else if (stream) { + fclose(stream); + } + + RELEASE(buffer); + +#ifdef DIRECT_SOUND_3D + RELEASE(sound3d); +#endif +} + +// +--------------------------------------------------------------------+ + +void +SoundD3D::Update() +{ + if (!buffer || status != PLAYING) return; // nothing to do + + DWORD dstat; + HRESULT hr = buffer->GetStatus(&dstat); + if (FAILED(hr)) { + SoundD3DError("Update: GetStatus failed", hr); + return; + } + + AutoThreadSync a(sync); + + if (sound_check) sound_check->Update(this); + + if (!Game::Paused() || flags & STREAMED) { + // see if we are done: + if (!(dstat & DSBSTATUS_PLAYING)) { + status = DONE; + buffer->Stop(); + return; + } + + // if not done, see if we need to change location params: + if (moved) { + Localize(); + } + } + + // if not done, see if we need to load more data + // into the streaming buffer: + if (flags & STREAMED) { + buffer->GetCurrentPosition(&r, 0); + + DWORD data_left; + if (w > r) + data_left = w - r; + else + data_left = w + (read_size + min_safety) - r; + + // getting low, fill 'er up: + if (eos_written || data_left <= min_safety) { + StreamBlock(); + + if (stream_left == 0) { + // if this is the end of a looping stream, + if (flags & LOOP) { + RewindStream(); + looped++; + } + else { + if (!eos_written) { + eos_written = true; + eos_latch = 3; + } + + else if (--eos_latch == 0) { + status = DONE; + buffer->Stop(); + } + } + } + + status = PLAYING; + } + } +} + +void +SoundD3D::StreamBlock() +{ + if (flags & OGGVORBIS) { + StreamOggBlock(); + return; + } + + if (!stream || !stream_left) + return; + + if (stream_left < read_size) { + if (stream_left > 0) { + fread(transfer, stream_left, 1, stream); + Load(stream_left, transfer); + stream_left = 0; + } + } + + else if (read_size > 0) { + fread(transfer, read_size, 1, stream); + Load(read_size, transfer); + stream_left -= read_size; + } +} + +int ogg_read_error_count = 0; + +void +SoundD3D::StreamOggBlock() +{ + int current_bitstream; + DWORD bytes_read = 0; + long retval = 0; + char* p = (char*) transfer; + + while (stream_left && bytes_read < read_size) { + retval = ov_read(ov_file, p, read_size-bytes_read, 0,2,1, ¤t_bitstream); + + if (retval == 0) { + /* EOF */ + stream_left = 0; + } + else if (retval < 0) { + /* error in the stream. Not a problem, just reporting it in + case the app cares. In this case, we don't. */ + ogg_read_error_count++; + } + else { + /* we don't bother dealing with sample rate changes, etc, but you'll have to ??? */ + bytes_read += retval; + stream_left -= retval; + p += retval; + } + } + + if (bytes_read) + Load(bytes_read, transfer); +} + +void +SoundD3D::RewindStream() +{ + if (flags & OGGVORBIS) { + RewindOggStream(); + return; + } + + if (!stream || !buffer) + return; + + // rewind the stream and keep going... + eos_written = false; + eos_latch = 0; + read_size = wfex.nAvgBytesPerSec / 2; + + // find the size of the file: + fseek(stream, 0, SEEK_END); + stream_left = ftell(stream) - stream_offset; + fseek(stream, stream_offset, SEEK_SET); + + total_time = (double) stream_left / + (double) wfex.nAvgBytesPerSec; + + if (stream_left < read_size) { + status = DONE; + buffer->Stop(); + } +} + +void +SoundD3D::RewindOggStream() +{ + if (!ov_file || !buffer) + return; + + // rewind the stream and keep going... + eos_written = false; + eos_latch = 0; + read_size = wfex.nAvgBytesPerSec / 2; + + // set the stream pointer back to the beginning: + ov_pcm_seek(ov_file, 0); + + // find the size of the file: + stream_left = (DWORD) ov_pcm_total(ov_file,-1); + stream_offset = 0; + + total_time = (double) stream_left / + (double) wfex.nAvgBytesPerSec; + + if (stream_left < read_size) { + status = DONE; + buffer->Stop(); + } +} + +void +SoundD3D::Localize() +{ +#ifdef DIRECT_SOUND_3D + if (sound3d) { + sound3d->SetMinDistance(min_dist, DS3D_IMMEDIATE); + sound3d->SetMaxDistance(max_dist, DS3D_IMMEDIATE); + sound3d->SetPosition(location.x, location.y, location.z, DS3D_IMMEDIATE); + sound3d->SetVelocity(velocity.x, velocity.y, velocity.z, DS3D_IMMEDIATE); + } + +#else + + // if no buffer, nothing to do: + if (!buffer) { + moved = false; + return; + } + + // Compute pan and volume from scratch: + + if ((flags & LOC_3D) && creator) { + Vec3 loc = location; + + SoundCardD3D* ears = (SoundCardD3D*) creator; + Camera& listener = ears->listener; + Vec3 ear_loc = listener.Pos(); ear_loc.SwapYZ(); + Vec3 direction = loc - ear_loc; + + loc.x = direction * listener.vrt(); + loc.y = direction * listener.vup(); + loc.z = direction * listener.vpn(); + + double pan = 10000; + if (loc.z != 0.0f) pan = fabs(1000.0f * loc.x / loc.z); + if (pan > 10000) pan = 10000; + if (loc.x < 0) pan = -pan; + + if (volume > 0) + volume = 0; + + double vol = volume; + double mind2 = min_dist * min_dist; + double maxd2 = max_dist * max_dist; + double d2 = (loc.x*loc.x) + (loc.y*loc.y) + (loc.z*loc.z); + + if (d2 > maxd2) + vol = -10000; + else if (d2 > mind2) + vol -= (d2-mind2)/(maxd2-mind2) * (vol+10000); + + // clamp volume to legal range: + if (vol < -10000) vol = -10000; + else if (vol > volume) vol = volume; + + /*** + Print("Localize: ears = (%f, %f, %f)\n", ear_loc.x, ear_loc.y, ear_loc.z); + Print(" world = (%f, %f, %f)\n", location.x, location.y, location.z); + Print(" view = (%f, %f, %f)\n", loc.x, loc.y, loc.z); + Print(" Pan=%f Volume=%f\n", pan, vol); + /***/ + + HRESULT hr = buffer->SetPan((LONG) pan); + if (!SUCCEEDED(hr)) { + char warn[512]; + sprintf_s(warn, "Warning could not set pan on buffer to %f", pan); + SoundD3DError(warn, hr); + } + + hr = buffer->SetVolume((LONG) vol); + if (!SUCCEEDED(hr)) { + char warn[512]; + sprintf_s(warn, "Warning: could not set volume on buffer to %f", vol); + SoundD3DError(warn, hr); + } + + // if not too far to hear... + if ((flags & DOPPLER) && (d2 < maxd2)) { + // COMPUTE DOPPLER SHIFT: + const float c = 10000.0f; + + direction.Normalize(); + float v_L = ears->velocity * direction; + float v_S = velocity * direction; + + DWORD f_shift = wfex.nSamplesPerSec; + + if (v_L != v_S) { + // towards listener: + if (v_S < 0) + f_shift = wfex.nSamplesPerSec + 20; + else + f_shift = wfex.nSamplesPerSec - 20; + } + + // distance rolloff of high frequencies: + double dist = sqrt(d2); + DWORD roll_off = (DWORD) (80 * dist/max_dist); + + f_shift -= roll_off; + + if (f_shift < 100) f_shift = 100; + if (f_shift > 100000) f_shift = 100000; + + hr = buffer->SetFrequency(f_shift); + if (!SUCCEEDED(hr)) { + char warn[512]; + sprintf_s(warn, "Warning: could not set Doppler frequency on buffer to %d", f_shift); //-V576 + SoundD3DError(warn, hr); + } + } + } + else { + buffer->SetPan((LONG) location.x); + buffer->SetVolume((LONG) volume); + } +#endif + + moved = false; +} + +// +--------------------------------------------------------------------+ + +Sound* +SoundD3D::Duplicate() +{ + Sound* sound = 0; + + if (flags & RESOURCE) { + sound = Sound::Create(flags & ~RESOURCE, &wfex); + + if (sound && !(flags & STREAMED)) { + sound->SetMinDistance(min_dist); + sound->SetMaxDistance(max_dist); + + if (!buffer) { + sound->Load(data_len, data); + } + + else { + SoundD3D* s3d = (SoundD3D*) sound; + soundcard->DuplicateSoundBuffer(buffer, &s3d->buffer); + sound->Rewind(); + } + } + } + + return sound; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::StreamFile(const char* name, DWORD offset) +{ + DWORD buf_size = wfex.nAvgBytesPerSec / 2; + DWORD safety_zone = buf_size * 2; + + if (stream) { + delete[] transfer; + transfer = 0; + fclose(stream); + } + + status = UNINITIALIZED; + stream_left = 0; + stream_offset = offset; + + eos_written = false; + eos_latch = 0; + min_safety = safety_zone; + read_size = buf_size; + + fopen_s(&stream, name, "rb"); + + // open the stream: + if (stream == 0) { + SoundD3DError("StreamFile: could not open stream", E_FAIL); + return E_FAIL; + } + + // find the size of the file: + fseek(stream, 0, SEEK_END); + stream_left = ftell(stream) - offset; + fseek(stream, stream_offset, SEEK_SET); + + total_time = (double) stream_left / + (double) wfex.nAvgBytesPerSec; + + if (stream_left < read_size) { + read_size = stream_left; + } + + HRESULT hr = AllocateBuffer(read_size + min_safety); + + if (FAILED(hr)) + return hr; + + flags |= STREAMED; + + // preload the buffer: + w = r = 0; + transfer = new(__FILE__,__LINE__) BYTE[read_size + 1024]; + + if (!transfer) { + hr = E_FAIL; + } + + else { + ZeroMemory(transfer, read_size+1024); + StreamBlock(); + } + + return hr; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::StreamOggFile() +{ + DWORD buf_size = wfex.nAvgBytesPerSec / 2; + DWORD safety_zone = buf_size * 2; + + if (stream) { + delete[] transfer; + fclose(stream); + + transfer = 0; + stream = 0; + } + + status = UNINITIALIZED; + stream_left = (DWORD) ov_pcm_total(ov_file,-1); + stream_offset = 0; + + eos_written = false; + eos_latch = 0; + min_safety = safety_zone; + read_size = buf_size; + + total_time = (double) stream_left / + (double) wfex.nAvgBytesPerSec; + + if (stream_left < read_size) { + read_size = stream_left; + } + + HRESULT hr = AllocateBuffer(read_size + min_safety); + + if (FAILED(hr)) + return hr; + + flags |= STREAMED | OGGVORBIS; + + // preload the buffer: + w = r = 0; + transfer = new(__FILE__,__LINE__) BYTE[read_size + 1024]; + + if (!transfer) { + hr = E_FAIL; + } + + else { + ZeroMemory(transfer, read_size+1024); + StreamOggBlock(); + } + + return hr; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::Load(DWORD bytes, BYTE* data) +{ + status = UNINITIALIZED; + + HRESULT hr; + + if (!buffer) { + hr = AllocateBuffer(bytes); + if (FAILED(hr)) { + return hr; + } + } + + LPVOID dest1, dest2; + DWORD size1, size2; + + hr = buffer->Lock(w, bytes, &dest1, &size1, &dest2, &size2, 0); + + if (hr == DSERR_BUFFERLOST) { + buffer->Restore(); + hr = buffer->Lock(w, bytes, &dest1, &size1, &dest2, &size2, 0); + } + + if (SUCCEEDED(hr)) { + CopyMemory(dest1, data, size1); + if (dest2) { + CopyMemory(dest2, data + size1, size2); + } + + if (flags & STREAMED) + w = (w + size1 + size2) % (read_size + min_safety); + else + w += size1 + size2; + + hr = buffer->Unlock(dest1, size1, dest2, size2); + if (FAILED(hr)) { + SoundD3DError("Load: could not unlock buffer", hr); + } + } + else { + SoundD3DError("Load: could not lock buffer", hr); + } + + if (SUCCEEDED(hr)) { + status = READY; + } + + return hr; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::AllocateBuffer(DWORD bytes) +{ + HRESULT hr = S_OK; + + if (!buffer) { + dsbd.dwBufferBytes = bytes; + + if (soundcard) { + hr = soundcard->CreateSoundBuffer(&dsbd, &buffer, NULL); + + if (FAILED(hr)) { + SoundD3DError("AllocateBuffer: could not create buffer", hr); + + Print(" dsbd.dwSize = %8d\n", dsbd.dwSize); + Print(" dsbd.dwFlags = %08x\n", dsbd.dwFlags); + Print(" dsbd.dwBufferBytes = %8d\n", dsbd.dwBufferBytes); + Print(" dsbd.lpwfxFormat = %08x\n", dsbd.lpwfxFormat); + + if (dsbd.lpwfxFormat) { + Print(" wfex.wBitsPerSample = %8d\n", dsbd.lpwfxFormat->wBitsPerSample); + Print(" wfex.nChannels = %8d\n", dsbd.lpwfxFormat->nChannels); + Print(" wfex.nSamplesPerSec = %8d\n", dsbd.lpwfxFormat->nSamplesPerSec); + } + } + } + else { + SoundD3DError("AllocateBuffer: soundcard is null", E_FAIL); + } + } + + return hr; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::Play() +{ + if (IsPlaying()) return S_OK; + if (!buffer) return E_FAIL; + + HRESULT hr = E_FAIL; + + if (IsDone()) + hr = Rewind(); + + if (IsReady()) { + if (moved) + Localize(); + + if (flags & LOOP || flags & STREAMED) + hr = buffer->Play(0, 0, DSBPLAY_LOOPING); + else + hr = buffer->Play(0, 0, 0); + + if (SUCCEEDED(hr)) + status = PLAYING; + } + + return hr; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::Rewind() +{ + if (!buffer) return E_FAIL; + + HRESULT hr = S_OK; + + if (IsPlaying()) + hr = Stop(); + + if (flags & STREAMED) { + RewindStream(); + StreamBlock(); + } + + else { + hr = buffer->SetCurrentPosition(0); + } + + if (SUCCEEDED(hr)) { + status = READY; + looped = 0; + } + + return hr; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::Pause() +{ + if (status == DONE) + return S_OK; + + HRESULT hr = Stop(); + + if (SUCCEEDED(hr)) + status = READY; + + return hr; +} + +// +--------------------------------------------------------------------+ + +HRESULT +SoundD3D::Stop() +{ + if (!buffer) + return E_FAIL; + + if (!IsPlaying()) { + status = DONE; + return S_OK; + } + + status = DONE; + return buffer->Stop(); +} + +// +--------------------------------------------------------------------+ + +double +SoundD3D::GetTimeRemaining() const +{ + double time_left = -1; + + if (IsPlaying() || IsReady()) { + time_left = (double) stream_left / + (double) wfex.nAvgBytesPerSec; + } + + return time_left; +} + +double +SoundD3D::GetTimeElapsed() const +{ + double time_elapsed = 0; + + if (IsPlaying()) { + time_elapsed = total_time - GetTimeRemaining(); + } + + return time_elapsed; +} + +// +--------------------------------------------------------------------+ + +void +SoundD3D::SetVolume(long v) +{ + if (v > 0) v = 0; + else if (v < -10000) v = -10000; + + volume = v; + moved = true; +} + +// +--------------------------------------------------------------------+ + +long +SoundD3D::GetPan() const +{ + long p = 10000; + + if (location.z) p = (long) fabs(location.x/location.z); + if (p > 10000) p = 10000; + if (location.x < 0) p = -p; + + return p; +} + +void +SoundD3D::SetPan(long p) +{ + if (p > 10000) p = 10000; + if (p < -10000) p = -10000; + + location.x = (float) p; + location.y = 0.0f; + location.z = 1.0f; + moved = true; +} + +// +--------------------------------------------------------------------+ + +void +SoundD3D::SetLocation(const Vec3& l) +{ + location = l; + moved = true; +} + +void +SoundD3D::SetVelocity(const Vec3& v) +{ + velocity = v; + moved = true; +} + +// +--------------------------------------------------------------------+ + +float +SoundD3D::GetMinDistance() const +{ + return min_dist; +} + +void +SoundD3D::SetMinDistance(float f) +{ + min_dist = f; + moved = true; +} + +// +--------------------------------------------------------------------+ + +float +SoundD3D::GetMaxDistance() const +{ + return max_dist; +} +void +SoundD3D::SetMaxDistance(float f) +{ + max_dist = f; + moved = true; +} + + +// +--------------------------------------------------------------------+ + +void +SoundD3DError(const char* msg, HRESULT err) +{ + Print(" SoundD3D: %s. [%s]\n", msg, DSErrStr(err)); +} + +char* +DSErrStr(HRESULT err) +{ + switch (err) { + case DS_OK: return "DS_OK"; + + case DSERR_ALLOCATED: return + "The call failed because resources (such as a priority level) " + "were already being used by another caller."; + + case DSERR_CONTROLUNAVAIL: return + "The control (vol,pan,etc.) requested by the caller is not available."; + + case DSERR_INVALIDPARAM: return + "An invalid parameter was passed to the returning function."; + + case DSERR_INVALIDCALL: return + "This call is not valid for the current state of this object"; + + case DSERR_GENERIC: return + "An undetermined error occured inside the DirectSound subsystem"; + + case DSERR_PRIOLEVELNEEDED: return + "The caller does not have the priority level required for the function to succeed."; + + case DSERR_OUTOFMEMORY: return + "Not enough free memory is available to complete the operation"; + + case DSERR_BADFORMAT: return + "The specified WAVE format is not supported"; + + case DSERR_UNSUPPORTED: return + "The function called is not supported at this time"; + + case DSERR_NODRIVER: return + "No sound driver is available for use"; + + case DSERR_ALREADYINITIALIZED: return + "This object is already initialized"; + + case DSERR_NOAGGREGATION: return + "This object does not support aggregation"; + + case DSERR_BUFFERLOST: return + "The buffer memory has been lost, and must be restored."; + + case DSERR_OTHERAPPHASPRIO: return + "Another app has a higher priority level, preventing this call from succeeding."; + + case DSERR_UNINITIALIZED: return + "This object has not been initialized."; + +#ifdef DIRECT_SOUND_3D + case DSERR_NOINTERFACE: return + "The requested COM interface is not available."; +#endif + + default: return "Unknown Error Code"; + } + + return "Internal Error"; +} + |