+++ /dev/null
-////////////////////////////////////////////////////////////////////////////////
-// Name: sndwin.cpp
-// Purpose: wxMMedia
-// Author: Guilhem Lavaux
-// Created: 1997
-// Updated: 1998
-// Copyright: (C) 1997, 1998, Guilhem Lavaux
-// License: wxWindows license
-////////////////////////////////////////////////////////////////////////////////
-#ifdef WX_PRECOMP
-#include "wx/wxprec.h"
-#else
-#include "wx/wx.h"
-#endif
-#include <wx/msw/private.h>
-
-#define WXMMEDIA_INTERNAL
-#include "sndwin.h"
-
-#define MMD_WIN_IO_BSIZE 16384
-
-#include <mmsystem.h>
-
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-wxSndWinFragment::wxSndWinFragment(wxSound& io_drv)
- : wxFragmentBuffer(io_drv)
-{
-}
-
-wxSndWinFragment::~wxSndWinFragment(void)
-{
-}
-
-void wxSndWinFragment::AllocIOBuffer(void)
-{
- wxWinSound *w_snd = (wxWinSound *) m_iodrv;
- wxUint8 i;
-
- m_maxoq = 5;
- m_maxiq = 5;
-
- m_lstoptrs = new wxFragBufPtr[m_maxoq];
- m_lstiptrs = new wxFragBufPtr[m_maxiq];
-
- for (i=0;i<m_maxoq;i++) {
- m_lstoptrs[i].buffers = new wxList();
- m_lstoptrs[i].state = wxBUFFER_FREE;
-
- w_snd->PrepareHeader(m_lstoptrs[i], wxSND_OUTPUT);
- }
-
- for (i=0;i<m_maxiq;i++) {
- m_lstiptrs[i].size = MMD_WIN_IO_BSIZE;
- m_lstiptrs[i].ptr = 0;
- m_lstiptrs[i].buffers = new wxList();
- m_lstiptrs[i].state = wxBUFFER_FREE;
-
- w_snd->PrepareHeader(m_lstiptrs[i], wxSND_INPUT);
- }
-}
-
-void wxSndWinFragment::FreeIOBuffer(void)
-{
- wxWinSound *w_snd = (wxWinSound *)m_iodrv;
- wxUint8 i;
-
- if (!m_lstoptrs && !m_lstiptrs)
- return;
-
- for (i=0;i<m_maxoq;i++) {
- w_snd->UnprepareHeader(m_lstoptrs[i], wxSND_OUTPUT);
- delete m_lstoptrs[i].buffers;
- }
-
- for (i=0;i<m_maxiq;i++) {
- w_snd->UnprepareHeader(m_lstiptrs[i], wxSND_INPUT);
- delete m_lstiptrs[i].buffers;
- }
-
- delete[] m_lstoptrs;
- delete[] m_lstiptrs;
-
- m_lstoptrs = m_lstiptrs = NULL;
- m_maxoq = m_maxiq = 0;
-}
-
-void wxSndWinFragment::WaitForAll()
-{
- bool buf_busy = TRUE;
- int i;
-
- m_dontq = TRUE;
-
- while (buf_busy) {
- buf_busy = FALSE;
-
- for (i=0;i<m_maxoq;i++) {
- if (m_lstoptrs[i].state == wxBUFFER_FFILLED) {
- buf_busy = TRUE;
- break;
- }
- }
- wxYield();
- }
-
- m_dontq = FALSE;
- FreeBufToFree(TRUE);
-}
-
-bool wxSndWinFragment::OnBufferFilled(wxFragBufPtr *ptr, wxSndMode mode)
-{
- wxSndWinInfo *info = (wxSndWinInfo *)ptr->user_data;
- wxWinSound *w_snd = (wxWinSound *)m_iodrv;
- MMRESULT result;
-
- switch (mode) {
- case wxSND_INPUT:
- result = waveInAddBuffer(w_snd->internal->devin_id, info->hdr,
- sizeof(WAVEHDR));
- break;
- case wxSND_OUTPUT:
- result = waveOutWrite(w_snd->internal->devout_id, info->hdr,
- sizeof(WAVEHDR));
- printf("WINOUT: result=%d\n", result);
- break;
- }
- return TRUE;
-}
-
-wxWinSound::wxWinSound(void)
- : wxSound(),
- fragments(*this)
-{
- internal = new wxWinSoundInternal;
- internal->devout_id = 0;
- internal->devin_id = 0;
- internal->sndWin = 0;
-
- wout_opened = FALSE;
- win_opened = FALSE;
- curr_o_srate = (wxUint32)-1;
- curr_o_bps = (wxUint8)-1;
- curr_o_stereo = (bool)-1;
- curr_i_srate = (wxUint32)-1;
- curr_i_bps = (wxUint8)-1;
- curr_i_stereo = (bool)-1;
-}
-
-wxWinSound::~wxWinSound(void)
-{
- int i;
-
- fragments.WaitForAll();
-
- if (wout_opened)
- waveOutReset(internal->devout_id);
- if (win_opened)
- waveInReset(internal->devout_id);
-
- fragments.FreeIOBuffer();
-
- if (wout_opened)
- waveOutClose(internal->devout_id);
- if (win_opened)
- waveInClose(internal->devin_id);
-
- if (internal->sndWin)
- ::DestroyWindow(internal->sndWin);
-
- delete internal;
-}
-
-bool wxWinSound::Wakeup(wxSndBuffer& buf)
-{
- if (!Reopen(buf, FALSE)) {
- buf.Clear(wxSND_BUFLOCKED);
- return FALSE;
- }
-
- fragments.OnBufferFinished(NULL);
- return TRUE;
-}
-
-void wxWinSound::PrepareHeader(wxFragmentBuffer::wxFragBufPtr& frag,
- wxSndMode mode)
-{
- wxSndWinInfo *info;
- WAVEHDR *hdr;
-
- if ((mode == wxSND_INPUT && !win_opened) ||
- (mode == wxSND_OUTPUT && !wout_opened))
- return;
-
- info = new wxSndWinInfo;
-
- info->h_data = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, MMD_WIN_IO_BSIZE);
- info->h_hdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, sizeof(WAVEHDR));
-
- info->data = (char *)GlobalLock(info->h_data);
- hdr = info->hdr = (WAVEHDR *)GlobalLock(info->h_hdr);
-
- memset(hdr, 0, sizeof(*hdr));
- hdr->lpData = info->data;
- hdr->dwBufferLength = frag.size;
- hdr->dwUser = (DWORD)&frag;
- hdr->dwFlags = WHDR_DONE;
-
- if (mode == wxSND_INPUT) {
- MMRESULT result = waveInPrepareHeader(internal->devin_id, hdr,
- sizeof(WAVEHDR));
-
- if (result != MMSYSERR_NOERROR)
- wxExit();
- } else {
- MMRESULT result = waveOutPrepareHeader(internal->devout_id, hdr,
- sizeof(WAVEHDR));
- if (result != MMSYSERR_NOERROR)
- wxExit();
- }
-
- frag.sndbuf = new wxStreamBuffer();
- frag.sndbuf->SetBufferIO(info->data, info->data + MMD_WIN_IO_BSIZE);
- frag.user_data = (char *)info;
-}
-
-void wxWinSound::UnprepareHeader(wxFragmentBuffer::wxFragBufPtr& frag,
- wxSndMode mode)
-{
- wxSndWinInfo *info = (wxSndWinInfo *)frag.user_data;
-
- if ((mode == wxSND_INPUT && !win_opened) ||
- (mode == wxSND_OUTPUT && !wout_opened))
- return;
-
- MMRESULT result;
-
- if (mode == wxSND_INPUT) {
- result = waveInUnprepareHeader(internal->devin_id, info->hdr, sizeof(*info->hdr));
- } else {
- result = waveOutUnprepareHeader(internal->devout_id, info->hdr, sizeof(*info->hdr));
- }
-
- delete frag.sndbuf;
-
- printf("unprepare = %d\n", result);
-
- GlobalUnlock(info->h_hdr);
- GlobalUnlock(info->h_data);
-
- GlobalFree(info->h_hdr);
- GlobalFree(info->h_data);
-
- delete info;
-}
-
-extern char wxCanvasClassName[];
-
-LRESULT APIENTRY _EXPORT wxSoundHandlerWndProc(HWND hWnd, UINT message,
- WPARAM wParam, LPARAM lParam)
-{
- switch (message) {
- case MM_WOM_DONE: {
- wxWinSound *snd_drv = (wxWinSound *)GetWindowLong(hWnd, GWL_USERDATA);
- WAVEHDR *hdr = (WAVEHDR *)lParam;
- wxFragmentBuffer::wxFragBufPtr *buf =
- (wxFragmentBuffer::wxFragBufPtr *)hdr->dwUser;
-
- // To be sure ...
- hdr->dwFlags |= WHDR_DONE;
-
- snd_drv->fragments.OnBufferFinished(buf);
- break;
- }
- case MM_WOM_OPEN:
- printf("wave Open ack\n");
- break;
- case MM_WOM_CLOSE:
- printf("wave Close ack\n");
- break;
- default:
- // TODO: Useful ?
- return DefWindowProc(hWnd, message, wParam, lParam);
- }
- return (LRESULT)0;
-}
-
-void wxWinSound::StopBuffer(wxSndBuffer& buf)
-{
- buf.HardLock();
- buf.Set(wxSND_BUFSTOP);
- fragments.AbortBuffer(buf);
- buf.HardUnlock();
-
- while (buf.IsSet(wxSND_BUFSTOP))
- wxYield();
-}
-
-bool wxWinSound::Reopen(wxSndBuffer& buf, bool force)
-{
- WAVEFORMATEX wformat;
-
- if ((buf.GetSampleRate() != curr_o_srate) ||
- (buf.GetBps() != curr_o_bps) ||
- (buf.GetStereo() != curr_o_stereo) ||
- (buf.GetMode() != curr_mode))
- force = TRUE;
-
- if (force) {
- wxUint32 *curr_srate =
- (buf.GetMode() == wxSND_OUTPUT) ? &curr_o_srate : &curr_i_srate;
- wxUint8 *curr_bps =
- (buf.GetMode() == wxSND_OUTPUT) ? &curr_o_bps : &curr_i_bps;
- bool *curr_stereo =
- (buf.GetMode() == wxSND_OUTPUT) ? &curr_o_stereo : &curr_i_stereo;
-
- fragments.WaitForAll();
- fragments.FreeIOBuffer();
-
- if (!internal->sndWin) {
- FARPROC proc = MakeProcInstance((FARPROC)wxSoundHandlerWndProc, wxGetInstance());
-
- internal->sndWin = ::CreateWindow(wxCanvasClassName, NULL, 0,
- 0, 0, 0, 0, NULL, (HMENU) NULL,
- wxGetInstance(), 0);
-
- ::SetWindowLong(internal->sndWin, GWL_WNDPROC,
- (LONG)proc);
- ::SetWindowLong(internal->sndWin, GWL_USERDATA, (LONG) this);
- }
-
- if (wout_opened) {
- waveOutClose(internal->devout_id);
- wout_opened = FALSE;
- }
- if (win_opened) {
- waveInClose(internal->devin_id);
- win_opened = FALSE;
- }
-
- *curr_srate = buf.GetSampleRate();
- *curr_bps = buf.GetBps();
- *curr_stereo = buf.GetStereo();
- wformat.wFormatTag = WAVE_FORMAT_PCM;
- wformat.nChannels = curr_o_stereo+1;
-
- wformat.nSamplesPerSec = curr_o_srate;
- wformat.nBlockAlign = curr_o_bps / 8 * wformat.nChannels;
- wformat.nAvgBytesPerSec =
- wformat.nSamplesPerSec * wformat.nBlockAlign;
- wformat.wBitsPerSample = curr_o_bps;
- wformat.cbSize = 0;
-
- if (buf.GetMode() == wxSND_OUTPUT) {
- MMRESULT result = waveOutOpen(&internal->devout_id,
- WAVE_MAPPER, &wformat,
- (DWORD)internal->sndWin, (DWORD)this,
- CALLBACK_WINDOW);
- if (result != MMSYSERR_NOERROR)
- return FALSE;
- internal->devin_id = 0;
- wout_opened = TRUE;
- curr_mode = wxSND_OUTPUT;
-
- fragments.AllocIOBuffer();
- }
- else {
- MMRESULT result = waveInOpen(&internal->devin_id,
- WAVE_MAPPER, &wformat,
- (DWORD)internal->sndWin, (DWORD)this,
- CALLBACK_FUNCTION);
- if (result != MMSYSERR_NOERROR)
- return FALSE;
- internal->devout_id = 0;
- win_opened = TRUE;
- curr_mode = wxSND_INPUT;
-
- fragments.AllocIOBuffer();
- }
- }
- return TRUE;
-}
projects / wxWidgets.git / blobdiff