diff options
Diffstat (limited to 'src/snd_wave.c')
| -rw-r--r-- | src/snd_wave.c | 247 |
1 files changed, 122 insertions, 125 deletions
diff --git a/src/snd_wave.c b/src/snd_wave.c index 713354f..d00d851 100644 --- a/src/snd_wave.c +++ b/src/snd_wave.c @@ -8,7 +8,7 @@ of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -24,7 +24,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // 64K is > 1 second at 16-bit, 22050 Hz #define WAV_BUFFERS 64 -#define WAV_MASK ( WAV_BUFFERS - 1 ) +#define WAV_MASK (WAV_BUFFERS - 1) #define WAV_BUFFER_SIZE 0x0400 static qboolean wav_init; @@ -39,7 +39,7 @@ static HPSTR lpData; static HGLOBAL hWaveHdr; static LPWAVEHDR lpWaveHdr; -static HWAVEOUT hWaveOut; +static HWAVEOUT hWaveOut; static DWORD gSndBufSize; @@ -50,32 +50,33 @@ WAVE_Shutdown Reset the sound device for exiting =============== */ -static void WAVE_Shutdown( void ) { +static void WAVE_Shutdown(void) +{ int i; - Com_Printf( "Shutting down wave sound\n" ); + Com_Printf("Shutting down wave sound\n"); - if( hWaveOut ) { - Com_DPrintf( "...resetting waveOut\n" ); - waveOutReset (hWaveOut); + if (hWaveOut) { + Com_DPrintf("...resetting waveOut\n"); + waveOutReset(hWaveOut); if (lpWaveHdr) { - Com_DPrintf( "...unpreparing headers\n" ); - for (i=0 ; i< WAV_BUFFERS ; i++) - waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)); + Com_DPrintf("...unpreparing headers\n"); + for (i = 0; i < WAV_BUFFERS; i++) + waveOutUnprepareHeader(hWaveOut, lpWaveHdr + i, sizeof(WAVEHDR)); } - Com_DPrintf( "...closing waveOut\n" ); - waveOutClose (hWaveOut); + Com_DPrintf("...closing waveOut\n"); + waveOutClose(hWaveOut); if (hWaveHdr) { - Com_DPrintf( "...freeing WAV header\n" ); + Com_DPrintf("...freeing WAV header\n"); GlobalUnlock(hWaveHdr); GlobalFree(hWaveHdr); } if (hData) { - Com_DPrintf( "...freeing WAV buffer\n" ); + Com_DPrintf("...freeing WAV buffer\n"); GlobalUnlock(hData); GlobalFree(hData); } @@ -98,17 +99,18 @@ WAVE_Init Crappy windows multimedia base ================== */ -static sndinitstat_t WAVE_Init (void) { - WAVEFORMATEX format; +static sndinitstat_t WAVE_Init(void) +{ + WAVEFORMATEX format; int i; HRESULT hr; - Com_DPrintf( "Initializing wave sound\n" ); - + Com_DPrintf("Initializing wave sound\n"); + snd_sent = 0; snd_completed = 0; - memset (&dma, 0, sizeof (dma)); + memset(&dma, 0, sizeof(dma)); dma.channels = 2; dma.samplebits = 16; @@ -119,118 +121,109 @@ static sndinitstat_t WAVE_Init (void) { else dma.speed = 11025; - memset (&format, 0, sizeof(format)); + memset(&format, 0, sizeof(format)); format.wFormatTag = WAVE_FORMAT_PCM; format.nChannels = dma.channels; format.wBitsPerSample = dma.samplebits; format.nSamplesPerSec = dma.speed; - format.nBlockAlign = format.nChannels*format.wBitsPerSample / 8; + format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8; format.cbSize = 0; - format.nAvgBytesPerSec = format.nSamplesPerSec*format.nBlockAlign; - - /* Open a waveform device for output using window callback. */ - Com_DPrintf ("...opening waveform device: "); - while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER, - &format, - 0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR) - { - if (hr != MMSYSERR_ALLOCATED) - { - Com_DPrintf ("failed\n"); + format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign; + + /* Open a waveform device for output using window callback. */ + Com_DPrintf("...opening waveform device: "); + while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER, + &format, + 0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR) { + if (hr != MMSYSERR_ALLOCATED) { + Com_DPrintf("failed\n"); return SIS_FAILURE; } - if (MessageBox (NULL, - _T("The sound hardware is in use by another app.\n\n") - _T("Select Retry to try to start sound again or Cancel to run ") _T("q2pro") _T(" with no sound."), - _T("Sound not available"), - MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY) - { - Com_DPrintf ("hw in use\n" ); + if (MessageBox(NULL, + _T("The sound hardware is in use by another app.\n\n") + _T("Select Retry to try to start sound again or Cancel to run ") _T("q2pro") _T(" with no sound."), + _T("Sound not available"), + MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY) { + Com_DPrintf("hw in use\n"); return SIS_NOTAVAIL; } - } - Com_DPrintf( "ok\n" ); - - /* - * Allocate and lock memory for the waveform data. The memory - * for waveform data must be globally allocated with - * GMEM_MOVEABLE and GMEM_SHARE flags. - - */ - Com_DPrintf ("...allocating waveform buffer: "); - gSndBufSize = WAV_BUFFERS*WAV_BUFFER_SIZE; - hData = GlobalAlloc(GMEM_MOVEABLE /*| GMEM_SHARE*/, gSndBufSize); - if (!hData) - { - Com_DPrintf( " failed with error %#lx\n", GetLastError() ); + } + Com_DPrintf("ok\n"); + + /* + * Allocate and lock memory for the waveform data. The memory + * for waveform data must be globally allocated with + * GMEM_MOVEABLE and GMEM_SHARE flags. + + */ + Com_DPrintf("...allocating waveform buffer: "); + gSndBufSize = WAV_BUFFERS * WAV_BUFFER_SIZE; + hData = GlobalAlloc(GMEM_MOVEABLE /*| GMEM_SHARE*/, gSndBufSize); + if (!hData) { + Com_DPrintf(" failed with error %#lx\n", GetLastError()); WAVE_Shutdown(); return SIS_FAILURE; } - Com_DPrintf( "ok\n" ); + Com_DPrintf("ok\n"); - Com_DPrintf ("...locking waveform buffer: "); + Com_DPrintf("...locking waveform buffer: "); lpData = GlobalLock(hData); - if (!lpData) - { - Com_DPrintf( " failed with error %#lx\n", GetLastError() ); + if (!lpData) { + Com_DPrintf(" failed with error %#lx\n", GetLastError()); WAVE_Shutdown(); return SIS_FAILURE; - } - memset (lpData, 0, gSndBufSize); - Com_DPrintf( "ok\n" ); - - /* - * Allocate and lock memory for the header. This memory must - * also be globally allocated with GMEM_MOVEABLE and - * GMEM_SHARE flags. - */ - Com_DPrintf ("...allocating waveform header: "); - hWaveHdr = GlobalAlloc(GMEM_MOVEABLE /*| GMEM_SHARE*/, - (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS); - if (hWaveHdr == NULL) - { - Com_DPrintf( "failed with error %#lx\n", GetLastError() ); + } + memset(lpData, 0, gSndBufSize); + Com_DPrintf("ok\n"); + + /* + * Allocate and lock memory for the header. This memory must + * also be globally allocated with GMEM_MOVEABLE and + * GMEM_SHARE flags. + */ + Com_DPrintf("...allocating waveform header: "); + hWaveHdr = GlobalAlloc(GMEM_MOVEABLE /*| GMEM_SHARE*/, + (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS); + if (hWaveHdr == NULL) { + Com_DPrintf("failed with error %#lx\n", GetLastError()); WAVE_Shutdown(); return SIS_FAILURE; - } - Com_DPrintf( "ok\n" ); - - Com_DPrintf ("...locking waveform header: "); - lpWaveHdr = (LPWAVEHDR) GlobalLock(hWaveHdr); - if (lpWaveHdr == NULL) - { - Com_DPrintf( "failed with error %#lx\n", GetLastError() ); + } + Com_DPrintf("ok\n"); + + Com_DPrintf("...locking waveform header: "); + lpWaveHdr = (LPWAVEHDR) GlobalLock(hWaveHdr); + if (lpWaveHdr == NULL) { + Com_DPrintf("failed with error %#lx\n", GetLastError()); WAVE_Shutdown(); return SIS_FAILURE; } - memset (lpWaveHdr, 0, sizeof(WAVEHDR) * WAV_BUFFERS); - Com_DPrintf( "ok\n" ); - - /* After allocation, set up and prepare headers. */ - Com_DPrintf ("...preparing headers: "); - for (i=0 ; i<WAV_BUFFERS ; i++) - { - lpWaveHdr[i].dwBufferLength = WAV_BUFFER_SIZE; - lpWaveHdr[i].lpData = lpData + i*WAV_BUFFER_SIZE; - - if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) != - MMSYSERR_NOERROR) - { - Com_DPrintf ("failed\n"); + memset(lpWaveHdr, 0, sizeof(WAVEHDR) * WAV_BUFFERS); + Com_DPrintf("ok\n"); + + /* After allocation, set up and prepare headers. */ + Com_DPrintf("...preparing headers: "); + for (i = 0; i < WAV_BUFFERS; i++) { + lpWaveHdr[i].dwBufferLength = WAV_BUFFER_SIZE; + lpWaveHdr[i].lpData = lpData + i * WAV_BUFFER_SIZE; + + if (waveOutPrepareHeader(hWaveOut, lpWaveHdr + i, sizeof(WAVEHDR)) != + MMSYSERR_NOERROR) { + Com_DPrintf("failed\n"); WAVE_Shutdown(); return SIS_FAILURE; } } - Com_DPrintf ("ok\n"); + Com_DPrintf("ok\n"); - dma.samples = gSndBufSize/(dma.samplebits/8); + dma.samples = gSndBufSize / (dma.samplebits / 8); dma.samplepos = 0; dma.submission_chunk = 512; dma.buffer = (byte *) lpData; - sample16 = (dma.samplebits/8) - 1; + sample16 = (dma.samplebits / 8) - 1; - Com_Printf( "Wave sound initialized\n" ); + Com_Printf("Wave sound initialized\n"); wav_init = qtrue; return SIS_SUCCESS; @@ -247,15 +240,16 @@ inside the recirculating dma buffer, so the mixing code will know how many sample are required to fill it up. =============== */ -static void WAVE_BeginPainting (void) { +static void WAVE_BeginPainting(void) +{ int s; - if( !wav_init ) { + if (!wav_init) { return; } - s = ( snd_sent * WAV_BUFFER_SIZE ) >> sample16; - dma.samplepos = s & ( dma.samples - 1 ); + s = (snd_sent * WAV_BUFFER_SIZE) >> sample16; + dma.samplepos = s & (dma.samples - 1); } /* @@ -266,7 +260,8 @@ Send sound to device if buffer isn't really the dma buffer Also unlocks the dsound buffer =============== */ -static void WAVE_Submit(void) { +static void WAVE_Submit(void) +{ LPWAVEHDR h; int wResult; @@ -280,12 +275,12 @@ static void WAVE_Submit(void) { // find which sound blocks have completed // while (1) { - if ( snd_completed == snd_sent ) { - Com_DPrintf ("WAVE_Submit: Sound overrun\n"); + if (snd_completed == snd_sent) { + Com_DPrintf("WAVE_Submit: Sound overrun\n"); break; } - if ( !(lpWaveHdr[snd_completed & WAV_MASK].dwFlags & WHDR_DONE) ) { + if (!(lpWaveHdr[snd_completed & WAV_MASK].dwFlags & WHDR_DONE)) { break; } @@ -296,22 +291,22 @@ static void WAVE_Submit(void) { // submit a few new sound blocks // while (((snd_sent - snd_completed) >> sample16) < 8) { - h = lpWaveHdr + ( snd_sent & WAV_MASK ); - if (paintedtime/256 <= snd_sent) + h = lpWaveHdr + (snd_sent & WAV_MASK); + if (paintedtime / 256 <= snd_sent) break; snd_sent++; - /* - * Now the data block can be sent to the output device. The - * waveOutWrite function returns immediately and waveform - * data is sent to the output device in the background. - */ - wResult = waveOutWrite(hWaveOut, h, sizeof(WAVEHDR)); - - if (wResult != MMSYSERR_NOERROR) { - Com_EPrintf ("WAVE_Submit: Failed to write block to device\n"); - WAVE_Shutdown (); - return; - } + /* + * Now the data block can be sent to the output device. The + * waveOutWrite function returns immediately and waveform + * data is sent to the output device in the background. + */ + wResult = waveOutWrite(hWaveOut, h, sizeof(WAVEHDR)); + + if (wResult != MMSYSERR_NOERROR) { + Com_EPrintf("WAVE_Submit: Failed to write block to device\n"); + WAVE_Shutdown(); + return; + } } } @@ -325,10 +320,12 @@ The window have been destroyed and recreated between a deactivate and an activate. =========== */ -static void WAVE_Activate (qboolean active) { +static void WAVE_Activate(qboolean active) +{ } -void WAVE_FillAPI( snddmaAPI_t *api ) { +void WAVE_FillAPI(snddmaAPI_t *api) +{ api->Init = WAVE_Init; api->Shutdown = WAVE_Shutdown; api->BeginPainting = WAVE_BeginPainting; |