2006-12-23 03:31:34 +01:00
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// Copyright (c) 2006, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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#pragma once
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///////////
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// Headers
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2006-12-23 04:55:00 +01:00
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#include "setup.h"
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#if USE_DIRECTSOUND == 1
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2006-12-23 03:31:34 +01:00
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#include <wx/wxprec.h>
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#include "audio_provider.h"
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#include "audio_player_dsound.h"
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#include "utils.h"
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#include "main.h"
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#include "frame_main.h"
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///////////////
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// Constructor
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DirectSoundPlayer::DirectSoundPlayer() {
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playing = false;
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volume = 1.0f;
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playPos = 0;
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startPos = 0;
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endPos = 0;
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offset = 0;
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buffer = NULL;
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directSound = NULL;
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2007-01-05 19:27:15 +01:00
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thread = NULL;
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threadRunning = false;
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2006-12-23 03:31:34 +01:00
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}
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//////////////
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// Destructor
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DirectSoundPlayer::~DirectSoundPlayer() {
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CloseStream();
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}
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///////////////
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// Open stream
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void DirectSoundPlayer::OpenStream() {
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// Get provider
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AudioProvider *provider = GetProvider();
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// Initialize the DirectSound object
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HRESULT res;
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res = DirectSoundCreate8(NULL,&directSound,NULL);
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if (res != DS_OK) throw _T("Failed initializing DirectSound");
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// Set DirectSound parameters
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AegisubApp *app = (AegisubApp*) wxTheApp;
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directSound->SetCooperativeLevel((HWND)app->frame->GetHandle(),DSSCL_NORMAL);
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// Create the wave format structure
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WAVEFORMATEX waveFormat;
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waveFormat.wFormatTag = WAVE_FORMAT_PCM;
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waveFormat.nSamplesPerSec = provider->GetSampleRate();
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waveFormat.nChannels = provider->GetChannels();
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waveFormat.wBitsPerSample = provider->GetBytesPerSample() * 8;
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waveFormat.nBlockAlign = waveFormat.nChannels * waveFormat.wBitsPerSample / 8;
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waveFormat.nAvgBytesPerSec = waveFormat.nSamplesPerSec * waveFormat.nBlockAlign;
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waveFormat.cbSize = 0;
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// Create the buffer initializer
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2006-12-23 14:22:26 +01:00
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int aim = 0x20000;
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2006-12-23 03:31:34 +01:00
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int min = DSBSIZE_MIN;
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int max = DSBSIZE_MAX;
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bufSize = MIN(MAX(min,aim),max);
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DSBUFFERDESC desc;
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desc.dwSize = sizeof(DSBUFFERDESC);
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desc.dwFlags = DSBCAPS_CTRLVOLUME | DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_GLOBALFOCUS | DSBCAPS_CTRLPOSITIONNOTIFY;
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desc.dwBufferBytes = bufSize;
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desc.dwReserved = 0;
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desc.lpwfxFormat = &waveFormat;
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desc.guid3DAlgorithm = GUID_NULL;
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// Create the buffer
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IDirectSoundBuffer *buf;
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res = directSound->CreateSoundBuffer(&desc,&buf,NULL);
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if (res != DS_OK) throw _T("Failed creating DirectSound buffer");
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// Copy interface to buffer
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res = buf->QueryInterface(IID_IDirectSoundBuffer8,(LPVOID*) &buffer);
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if (res != S_OK) throw _T("Failed casting interface to IDirectSoundBuffer8");
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// Set data
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offset = 0;
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}
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////////////////
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// Close stream
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void DirectSoundPlayer::CloseStream() {
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// Stop it
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Stop();
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// Delete the DirectSound buffer
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// delete buffer;
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buffer = NULL;
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// Delete the DirectSound object
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// delete directSound;
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directSound = NULL;
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}
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///////////////
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// Fill buffer
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void DirectSoundPlayer::FillBuffer(bool fill) {
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// Variables
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void *ptr1, *ptr2;
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unsigned long int size1, size2;
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AudioProvider *provider = GetProvider();
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int bytesps = provider->GetBytesPerSample();
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// To write length
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//int max = bufSize/4;
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//if (fill) max = bufSize;
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//int toWrite = MIN(max,(endPos-playPos)*bytesps);
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int toWrite = bufSize/4;
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// Lock buffer
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HRESULT res;
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res = buffer->Lock(offset,toWrite,&ptr1,&size1,&ptr2,&size2,0);
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// Buffer lost?
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if (res == DSERR_BUFFERLOST) {
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buffer->Restore();
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res = buffer->Lock(offset,toWrite,&ptr1,&size1,&ptr2,&size2,0);
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}
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// Error
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if (!SUCCEEDED(res)) return;
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// Set offset
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offset = (offset + toWrite) % bufSize;
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// Convert size to number of samples
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unsigned long int count1 = size1 / bytesps;
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unsigned long int count2 = size2 / bytesps;
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// Check if it's writing over play
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unsigned long int totalCount = count1+count2;
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unsigned long int left = 0;
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if (endPos > playPos) left = endPos - playPos;
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unsigned long int delta = 0;
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if (totalCount > left) delta = totalCount - left;
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// If so, don't allow it
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if (delta) {
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// Zero at start
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memset(ptr1,0,size1);
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memset(ptr2,0,size2);
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// Lower counts
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int temp = MIN(delta,count2);
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count2 -= temp;
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delta -= temp;
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temp = MIN(delta,count1);
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count1 -= temp;
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delta -= temp;
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}
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// Get source wave
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2007-01-05 19:27:15 +01:00
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if (count1) provider->GetAudioWithVolume(ptr1,playPos,count1,volume);
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if (count2) provider->GetAudioWithVolume(ptr2,playPos+count1,count2,volume);
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2006-12-23 04:07:21 +01:00
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playPos += totalCount;
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2006-12-23 03:31:34 +01:00
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// Unlock
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buffer->Unlock(ptr1,size1,ptr2,size2);
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}
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////////
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// Play
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void DirectSoundPlayer::Play(__int64 start,__int64 count) {
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// Make sure that it's stopped
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Stop();
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// Lock
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wxMutexLocker locker(DSMutex);
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// Check if buffer is loaded
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if (!buffer) return;
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2007-01-05 19:27:15 +01:00
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buffer->Stop();
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2006-12-23 03:31:34 +01:00
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// Create notification event
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2007-01-05 19:27:15 +01:00
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CloseHandle(notificationEvent);
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2006-12-23 03:31:34 +01:00
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notificationEvent = CreateEvent(NULL,false,false,NULL);
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// Create notification interface
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IDirectSoundNotify8 *notify;
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2007-01-05 19:27:15 +01:00
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HRESULT res;
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2006-12-23 03:31:34 +01:00
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res = buffer->QueryInterface(IID_IDirectSoundNotify8,(LPVOID*)¬ify);
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if (!SUCCEEDED(res)) return;
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// Set notification
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DSBPOSITIONNOTIFY positionNotify[4];
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positionNotify[0].dwOffset = bufSize / 8;
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positionNotify[0].hEventNotify = notificationEvent;
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positionNotify[1].dwOffset = 3 * bufSize / 8;
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positionNotify[1].hEventNotify = notificationEvent;
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positionNotify[2].dwOffset = 5 * bufSize / 8;
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positionNotify[2].hEventNotify = notificationEvent;
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positionNotify[3].dwOffset = 7 * bufSize / 8;
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positionNotify[3].hEventNotify = notificationEvent;
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res = notify->SetNotificationPositions(4,positionNotify);
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notify->Release();
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2007-01-05 19:27:15 +01:00
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// Set variables
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startPos = start;
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endPos = start+count;
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playPos = start;
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offset = 0;
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2006-12-23 03:31:34 +01:00
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// Fill buffer
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FillBuffer(false);
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// Play
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buffer->SetCurrentPosition(0);
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res = buffer->Play(0,0,DSBPLAY_LOOPING);
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if (SUCCEEDED(res)) playing = true;
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// Start thread
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2007-01-05 19:27:15 +01:00
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if (!thread) {
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thread = new DirectSoundPlayerThread(this);
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thread->Create();
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thread->Run();
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}
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2006-12-23 03:31:34 +01:00
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// Update timer
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if (displayTimer && !displayTimer->IsRunning()) displayTimer->Start(15);
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}
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////////
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// Stop
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void DirectSoundPlayer::Stop(bool timerToo) {
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// Lock
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wxMutexLocker locker(DSMutex);
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2007-01-05 19:27:15 +01:00
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// Stop the thread
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if (thread) {
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thread->alive = false;
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thread = NULL;
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}
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2006-12-23 03:31:34 +01:00
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// Stop
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2007-01-05 19:27:15 +01:00
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if (buffer) buffer->Stop();
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2006-12-23 03:31:34 +01:00
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2007-01-05 19:27:15 +01:00
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// Reset variables
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playing = false;
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playPos = 0;
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startPos = 0;
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endPos = 0;
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offset = 0;
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2006-12-23 03:31:34 +01:00
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// Close event handle
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CloseHandle(notificationEvent);
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2007-01-05 19:27:15 +01:00
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2006-12-23 03:31:34 +01:00
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// Stop timer
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if (timerToo && displayTimer) {
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displayTimer->Stop();
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}
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}
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///////////
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// Set end
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void DirectSoundPlayer::SetEndPosition(__int64 pos) {
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endPos = pos;
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}
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////////////////////////
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// Set current position
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void DirectSoundPlayer::SetCurrentPosition(__int64 pos) {
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playPos = pos;
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}
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////////////////////////
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// Get current position
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__int64 DirectSoundPlayer::GetCurrentPosition() {
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// Check if buffer is loaded
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2006-12-23 04:07:21 +01:00
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if (!buffer || !playing) return 0;
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2006-12-23 03:31:34 +01:00
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// Read position
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unsigned long int play,write;
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HRESULT res = buffer->GetCurrentPosition(&play,NULL);
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if (SUCCEEDED(res)) {
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int bytesps = provider->GetBytesPerSample();
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write = offset;
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if (write < play) write += bufSize;
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return playPos + play/bytesps - write/bytesps;
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}
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// Failed, just return playPos
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return playPos;
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}
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//////////////////////
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// Thread constructor
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2007-01-05 19:27:15 +01:00
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DirectSoundPlayerThread::DirectSoundPlayerThread(DirectSoundPlayer *par) : wxThread(wxTHREAD_JOINABLE) {
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2006-12-23 03:31:34 +01:00
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parent = par;
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2007-01-05 19:27:15 +01:00
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alive = true;
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parent->threadRunning = true;
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2006-12-23 03:31:34 +01:00
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}
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/////////////////////
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// Thread destructor
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DirectSoundPlayerThread::~DirectSoundPlayerThread() {
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}
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//////////////////////
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// Thread entry point
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wxThread::ExitCode DirectSoundPlayerThread::Entry() {
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// Variables
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unsigned long int playPos,endPos,bufSize;
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2007-01-05 19:27:15 +01:00
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bool playing;
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2006-12-23 03:31:34 +01:00
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// Wait for notification
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2007-01-05 19:27:15 +01:00
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while (alive) {
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2006-12-23 03:31:34 +01:00
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// Get variables
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2007-01-05 19:27:15 +01:00
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bool booga = true;
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if (booga) {
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if (!alive) break;
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wxMutexLocker locker(parent->DSMutex);
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if (!alive) break;
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playPos = parent->GetCurrentPosition();
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endPos = parent->endPos;
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bufSize = parent->bufSize;
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playing = parent->playing;
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if (!alive) break;
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}
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// Flag as stopped playing, but don't actually stop yet
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if (playPos > endPos) {
|
|
|
|
if (!alive) break;
|
|
|
|
wxMutexLocker locker(parent->DSMutex);
|
|
|
|
if (!alive) break;
|
|
|
|
parent->playing = false;
|
|
|
|
}
|
2006-12-23 03:31:34 +01:00
|
|
|
|
|
|
|
// Still playing?
|
|
|
|
if (playPos < endPos + bufSize/8) {
|
|
|
|
// Wait for signal
|
2007-01-05 19:27:15 +01:00
|
|
|
if (!alive) break;
|
2006-12-23 04:07:21 +01:00
|
|
|
WaitForSingleObject(parent->notificationEvent,1000);
|
2007-01-05 19:27:15 +01:00
|
|
|
if (!alive) break;
|
2006-12-23 03:31:34 +01:00
|
|
|
|
|
|
|
// Fill buffer
|
2007-01-05 19:27:15 +01:00
|
|
|
wxMutexLocker locker(parent->DSMutex);
|
|
|
|
if (!alive) break;
|
2006-12-23 03:31:34 +01:00
|
|
|
parent->FillBuffer(false);
|
2007-01-05 19:27:15 +01:00
|
|
|
if (!alive) break;
|
2006-12-23 03:31:34 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
// Over, stop it
|
|
|
|
else {
|
2007-01-05 19:27:15 +01:00
|
|
|
if (alive) parent->Stop();
|
2006-12-23 03:31:34 +01:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-01-05 19:27:15 +01:00
|
|
|
//wxMutexLocker locker(parent->DSMutex);
|
|
|
|
parent->threadRunning = false;
|
2006-12-23 03:31:34 +01:00
|
|
|
Delete();
|
|
|
|
return 0;
|
|
|
|
}
|
2006-12-23 04:55:00 +01:00
|
|
|
|
|
|
|
#endif
|