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mcicda: Play back an audio CD digitally, when possible.

This commit is contained in:
Chris Robinson 2009-02-26 08:46:49 -08:00 committed by Alexandre Julliard
parent 7776faf3a7
commit 8afa626faa
1 changed files with 270 additions and 20 deletions
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290
dlls/mcicda/mcicda.c
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@ -37,6 +37,7 @@
#include "winternl.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "dsound.h"
WINE_DEFAULT_DEBUG_CHANNEL(mcicda);
@ -45,6 +46,14 @@ WINE_DEFAULT_DEBUG_CHANNEL(mcicda);
#define FRAME_OF_ADDR(a) ((a)[1] * CDFRAMES_PERMIN + (a)[2] * CDFRAMES_PERSEC + (a)[3])
#define FRAME_OF_TOC(toc, idx) FRAME_OF_ADDR((toc).TrackData[idx - (toc).FirstTrack].Address)
/* Defined by red-book standard; do not change! */
#define RAW_SECTOR_SIZE (2352)
/* Must be >= RAW_SECTOR_SIZE */
#define CDDA_FRAG_SIZE (32768)
/* Must be >= 2 */
#define CDDA_FRAG_COUNT (3)
typedef struct {
UINT wDevID;
int nUseCount; /* Incremented for each shared open */
@ -53,15 +62,97 @@ typedef struct {
HANDLE hCallback; /* Callback handle for pending notification */
DWORD dwTimeFormat;
HANDLE handle;
/* The following are used for digital playback only */
HANDLE hThread;
HANDLE stopEvent;
DWORD start, end;
IDirectSound *dsObj;
IDirectSoundBuffer *dsBuf;
CRITICAL_SECTION cs;
} WINE_MCICDAUDIO;
/*-----------------------------------------------------------------------*/
typedef HRESULT(WINAPI*LPDIRECTSOUNDCREATE)(LPCGUID,LPDIRECTSOUND*,LPUNKNOWN);
static LPDIRECTSOUNDCREATE pDirectSoundCreate;
static DWORD CALLBACK MCICDA_playLoop(void *ptr)
{
WINE_MCICDAUDIO *wmcda = (WINE_MCICDAUDIO*)ptr;
DWORD lastPos, curPos, endPos, br;
void *cdData;
DWORD lockLen, fragLen;
DSBCAPS caps;
RAW_READ_INFO rdInfo;
HRESULT hr = DS_OK;
memset(&caps, 0, sizeof(caps));
caps.dwSize = sizeof(caps);
hr = IDirectSoundBuffer_GetCaps(wmcda->dsBuf, &caps);
fragLen = caps.dwBufferBytes/CDDA_FRAG_COUNT;
curPos = lastPos = 0;
endPos = ~0u;
while (SUCCEEDED(hr) && endPos != lastPos &&
WaitForSingleObject(wmcda->stopEvent, 0) != WAIT_OBJECT_0) {
hr = IDirectSoundBuffer_GetCurrentPosition(wmcda->dsBuf, &curPos, NULL);
if ((curPos-lastPos+caps.dwBufferBytes)%caps.dwBufferBytes < fragLen) {
Sleep(1);
continue;
}
EnterCriticalSection(&wmcda->cs);
rdInfo.DiskOffset.QuadPart = wmcda->start<<11;
rdInfo.SectorCount = min(fragLen/RAW_SECTOR_SIZE, wmcda->end-wmcda->start);
rdInfo.TrackMode = CDDA;
hr = IDirectSoundBuffer_Lock(wmcda->dsBuf, lastPos, fragLen, &cdData, &lockLen, NULL, NULL, 0);
if (hr == DSERR_BUFFERLOST) {
if(FAILED(IDirectSoundBuffer_Restore(wmcda->dsBuf)) ||
FAILED(IDirectSoundBuffer_Play(wmcda->dsBuf, 0, 0, DSBPLAY_LOOPING))) {
LeaveCriticalSection(&wmcda->cs);
break;
}
hr = IDirectSoundBuffer_Lock(wmcda->dsBuf, lastPos, fragLen, &cdData, &lockLen, NULL, NULL, 0);
}
if (SUCCEEDED(hr)) {
if (rdInfo.SectorCount > 0) {
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_RAW_READ, &rdInfo, sizeof(rdInfo), cdData, lockLen, &br, NULL))
WARN("CD read failed at sector %d: 0x%x\n", wmcda->start, GetLastError());
}
if (rdInfo.SectorCount*RAW_SECTOR_SIZE < lockLen) {
if(endPos == ~0u) endPos = lastPos;
memset((BYTE*)cdData + rdInfo.SectorCount*RAW_SECTOR_SIZE, 0,
lockLen - rdInfo.SectorCount*RAW_SECTOR_SIZE);
}
hr = IDirectSoundBuffer_Unlock(wmcda->dsBuf, cdData, lockLen, NULL, 0);
}
lastPos += fragLen;
lastPos %= caps.dwBufferBytes;
wmcda->start += rdInfo.SectorCount;
LeaveCriticalSection(&wmcda->cs);
}
IDirectSoundBuffer_Stop(wmcda->dsBuf);
SetEvent(wmcda->stopEvent);
ExitThread(0);
return 0;
}
/**************************************************************************
* MCICDA_drvOpen [internal]
*/
static DWORD MCICDA_drvOpen(LPCWSTR str, LPMCI_OPEN_DRIVER_PARMSW modp)
{
static HMODULE dsHandle;
WINE_MCICDAUDIO* wmcda;
if (!modp) return 0xFFFFFFFF;
@ -71,10 +162,17 @@ static DWORD MCICDA_drvOpen(LPCWSTR str, LPMCI_OPEN_DRIVER_PARMSW modp)
if (!wmcda)
return 0;
if (!dsHandle) {
dsHandle = LoadLibraryA("dsound.dll");
if(dsHandle)
pDirectSoundCreate = (LPDIRECTSOUNDCREATE)GetProcAddress(dsHandle, "DirectSoundCreate");
}
wmcda->wDevID = modp->wDeviceID;
mciSetDriverData(wmcda->wDevID, (DWORD_PTR)wmcda);
modp->wCustomCommandTable = MCI_NO_COMMAND_TABLE;
modp->wType = MCI_DEVTYPE_CD_AUDIO;
InitializeCriticalSection(&wmcda->cs);
return modp->wDeviceID;
}
@ -86,6 +184,7 @@ static DWORD MCICDA_drvClose(DWORD dwDevID)
WINE_MCICDAUDIO* wmcda = (WINE_MCICDAUDIO*)mciGetDriverData(dwDevID);
if (wmcda) {
DeleteCriticalSection(&wmcda->cs);
HeapFree(GetProcessHeap(), 0, wmcda);
mciSetDriverData(dwDevID, 0);
}
@ -117,8 +216,24 @@ static DWORD MCICDA_GetStatus(WINE_MCICDAUDIO* wmcda)
DWORD mode = MCI_MODE_NOT_READY;
fmt.Format = IOCTL_CDROM_CURRENT_POSITION;
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_READ_Q_CHANNEL, &fmt, sizeof(fmt),
&data, sizeof(data), &br, NULL)) {
if(wmcda->hThread != 0) {
DWORD status;
HRESULT hr;
hr = IDirectSoundBuffer_GetStatus(wmcda->dsBuf, &status);
if(SUCCEEDED(hr)) {
if(!(status&DSBSTATUS_PLAYING)) {
if(WaitForSingleObject(wmcda->stopEvent, 0) == WAIT_OBJECT_0)
mode = MCI_MODE_STOP;
else
mode = MCI_MODE_PAUSE;
}
else
mode = MCI_MODE_PLAY;
}
}
else if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_READ_Q_CHANNEL, &fmt, sizeof(fmt),
&data, sizeof(data), &br, NULL)) {
if (GetLastError() == ERROR_NOT_READY) mode = MCI_MODE_OPEN;
} else {
switch (data.CurrentPosition.Header.AudioStatus)
@ -338,7 +453,7 @@ static DWORD MCICDA_Open(UINT wDevID, DWORD dwFlags, LPMCI_OPEN_PARMSW lpOpenPar
/* now, open the handle */
root[0] = root[1] = '\\'; root[2] = '.'; root[3] = '\\'; root[4] = drive; root[5] = ':'; root[6] = '\0';
wmcda->handle = CreateFileW(root, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
if (wmcda->handle != INVALID_HANDLE_VALUE)
if (wmcda->handle != 0)
return 0;
the_error:
@ -733,6 +848,12 @@ static DWORD MCICDA_Play(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms)
if (wmcda == NULL)
return MCIERR_INVALID_DEVICE_ID;
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_READ_TOC, NULL, 0,
&toc, sizeof(toc), &br, NULL)) {
WARN("error reading TOC !\n");
return MCICDA_GetError(wmcda);
}
if (dwFlags & MCI_FROM) {
start = MCICDA_CalcFrame(wmcda, lpParms->dwFrom);
if ( (ret=MCICDA_SkipDataTracks(wmcda, &start)) )
@ -752,14 +873,108 @@ static DWORD MCICDA_Play(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms)
end = MCICDA_CalcFrame(wmcda, lpParms->dwTo);
TRACE("MCI_TO=%08X -> %u\n", lpParms->dwTo, end);
} else {
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_READ_TOC, NULL, 0,
&toc, sizeof(toc), &br, NULL)) {
WARN("error reading TOC !\n");
return MCICDA_GetError(wmcda);
}
end = FRAME_OF_TOC(toc, toc.LastTrack + 1) - 1;
}
TRACE("Playing from %u to %u\n", start, end);
if (wmcda->hThread != 0) {
SetEvent(wmcda->stopEvent);
WaitForSingleObject(wmcda->hThread, INFINITE);
CloseHandle(wmcda->hThread);
wmcda->hThread = 0;
CloseHandle(wmcda->stopEvent);
wmcda->stopEvent = 0;
IDirectSoundBuffer_Stop(wmcda->dsBuf);
IDirectSoundBuffer_Release(wmcda->dsBuf);
wmcda->dsBuf = NULL;
IDirectSound_Release(wmcda->dsObj);
wmcda->dsObj = NULL;
}
if (pDirectSoundCreate) {
WAVEFORMATEX format;
DSBUFFERDESC desc;
DWORD lockLen;
void *cdData;
HRESULT hr;
hr = pDirectSoundCreate(NULL, &wmcda->dsObj, NULL);
if (SUCCEEDED(hr)) {
IDirectSound_SetCooperativeLevel(wmcda->dsObj, GetDesktopWindow(), DSSCL_PRIORITY);
/* The "raw" frame is relative to the start of the first track */
wmcda->start = start - FRAME_OF_TOC(toc, toc.FirstTrack);
wmcda->end = end - FRAME_OF_TOC(toc, toc.FirstTrack);
memset(&format, 0, sizeof(format));
format.wFormatTag = WAVE_FORMAT_PCM;
format.nChannels = 2;
format.nSamplesPerSec = 44100;
format.wBitsPerSample = 16;
format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8;
format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
format.cbSize = 0;
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
desc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_GLOBALFOCUS;
desc.dwBufferBytes = (CDDA_FRAG_SIZE - (CDDA_FRAG_SIZE%RAW_SECTOR_SIZE)) * CDDA_FRAG_COUNT;
desc.lpwfxFormat = &format;
hr = IDirectSound_CreateSoundBuffer(wmcda->dsObj, &desc, &wmcda->dsBuf, NULL);
}
if (SUCCEEDED(hr)) {
hr = IDirectSoundBuffer_Lock(wmcda->dsBuf, 0, 0, &cdData, &lockLen,
NULL, NULL, DSBLOCK_ENTIREBUFFER);
}
if (SUCCEEDED(hr)) {
RAW_READ_INFO rdInfo;
int readok;
rdInfo.DiskOffset.QuadPart = wmcda->start<<11;
rdInfo.SectorCount = min(desc.dwBufferBytes/RAW_SECTOR_SIZE,
wmcda->end-wmcda->start);
rdInfo.TrackMode = CDDA;
readok = DeviceIoControl(wmcda->handle, IOCTL_CDROM_RAW_READ,
&rdInfo, sizeof(rdInfo), cdData, lockLen,
&br, NULL);
IDirectSoundBuffer_Unlock(wmcda->dsBuf, cdData, lockLen, NULL, 0);
if (readok) {
wmcda->start += rdInfo.SectorCount;
wmcda->stopEvent = CreateEventA(NULL, TRUE, FALSE, NULL);
}
if (wmcda->stopEvent != 0)
wmcda->hThread = CreateThread(NULL, 0, MCICDA_playLoop, wmcda, 0, &br);
if (wmcda->hThread != 0) {
hr = IDirectSoundBuffer_Play(wmcda->dsBuf, 0, 0, DSBPLAY_LOOPING);
if (SUCCEEDED(hr))
return ret;
SetEvent(wmcda->stopEvent);
WaitForSingleObject(wmcda->hThread, INFINITE);
CloseHandle(wmcda->hThread);
wmcda->hThread = 0;
}
}
if (wmcda->stopEvent != 0) {
CloseHandle(wmcda->stopEvent);
wmcda->stopEvent = 0;
}
if (wmcda->dsBuf) {
IDirectSoundBuffer_Release(wmcda->dsBuf);
wmcda->dsBuf = NULL;
}
if (wmcda->dsObj) {
IDirectSound_Release(wmcda->dsObj);
wmcda->dsObj = NULL;
}
}
play.StartingM = start / CDFRAMES_PERMIN;
play.StartingS = (start / CDFRAMES_PERSEC) % 60;
play.StartingF = start % CDFRAMES_PERSEC;
@ -791,8 +1006,22 @@ static DWORD MCICDA_Stop(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms
if (wmcda == NULL) return MCIERR_INVALID_DEVICE_ID;
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_STOP_AUDIO, NULL, 0, NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
if (wmcda->hThread != 0) {
SetEvent(wmcda->stopEvent);
WaitForSingleObject(wmcda->hThread, INFINITE);
CloseHandle(wmcda->hThread);
wmcda->hThread = 0;
CloseHandle(wmcda->stopEvent);
wmcda->stopEvent = 0;
IDirectSoundBuffer_Release(wmcda->dsBuf);
wmcda->dsBuf = NULL;
IDirectSound_Release(wmcda->dsObj);
wmcda->dsObj = NULL;
}
else if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_STOP_AUDIO, NULL, 0, NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
if (lpParms && (dwFlags & MCI_NOTIFY)) {
TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
@ -814,8 +1043,14 @@ static DWORD MCICDA_Pause(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParm
if (wmcda == NULL) return MCIERR_INVALID_DEVICE_ID;
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_PAUSE_AUDIO, NULL, 0, NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
if (wmcda->hThread != 0) {
/* Don't bother calling stop if the playLoop thread has already stopped */
if(WaitForSingleObject(wmcda->stopEvent, 0) != WAIT_OBJECT_0 &&
FAILED(IDirectSoundBuffer_Stop(wmcda->dsBuf)))
return MCIERR_HARDWARE;
}
else if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_PAUSE_AUDIO, NULL, 0, NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
if (lpParms && (dwFlags & MCI_NOTIFY)) {
TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
@ -837,8 +1072,14 @@ static DWORD MCICDA_Resume(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpPar
if (wmcda == NULL) return MCIERR_INVALID_DEVICE_ID;
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_RESUME_AUDIO, NULL, 0, NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
if (wmcda->hThread != 0) {
/* Don't restart if the playLoop thread has already stopped */
if(WaitForSingleObject(wmcda->stopEvent, 0) != WAIT_OBJECT_0 &&
FAILED(IDirectSoundBuffer_Play(wmcda->dsBuf, 0, 0, DSBPLAY_LOOPING)))
return MCIERR_HARDWARE;
}
else if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_RESUME_AUDIO, NULL, 0, NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
if (lpParms && (dwFlags & MCI_NOTIFY)) {
TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
@ -893,12 +1134,21 @@ static DWORD MCICDA_Seek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms)
(dwFlags & ~(MCI_NOTIFY|MCI_WAIT)));
return MCIERR_UNSUPPORTED_FUNCTION;
}
seek.M = at / CDFRAMES_PERMIN;
seek.S = (at / CDFRAMES_PERSEC) % 60;
seek.F = at % CDFRAMES_PERSEC;
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_SEEK_AUDIO_MSF, &seek, sizeof(seek),
NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
if (wmcda->hThread != 0) {
EnterCriticalSection(&wmcda->cs);
wmcda->start = at - FRAME_OF_TOC(toc, toc.FirstTrack);
/* Flush remaining data, or just let it play into the new data? */
LeaveCriticalSection(&wmcda->cs);
}
else {
seek.M = at / CDFRAMES_PERMIN;
seek.S = (at / CDFRAMES_PERSEC) % 60;
seek.F = at % CDFRAMES_PERSEC;
if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_SEEK_AUDIO_MSF, &seek, sizeof(seek),
NULL, 0, &br, NULL))
return MCIERR_HARDWARE;
}
if (dwFlags & MCI_NOTIFY) {
TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);