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mciavi: Step is like Seek.

This commit is contained in:
Jörg Höhle 2009-11-28 08:26:36 +01:00 committed by Alexandre Julliard
parent 14c9f6a3cb
commit 541c6c2d97
1 changed files with 35 additions and 16 deletions
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51
dlls/mciavi32/mciavi.c
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@ -674,6 +674,7 @@ static DWORD MCIAVI_mciResume(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lp
static DWORD MCIAVI_mciSeek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms)
{
WINE_MCIAVI *wma;
DWORD position;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
@ -681,27 +682,28 @@ static DWORD MCIAVI_mciSeek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
position = dwFlags & (MCI_SEEK_TO_START|MCI_SEEK_TO_END|MCI_TO);
if (!position) return MCIERR_MISSING_PARAMETER;
if (position&(position-1)) return MCIERR_FLAGS_NOT_COMPATIBLE;
if (dwFlags & MCI_TO) {
position = MCIAVI_ConvertTimeFormatToFrame(wma, lpParms->dwTo);
if (position >= wma->dwPlayableVideoFrames)
return MCIERR_OUTOFRANGE;
} else if (dwFlags & MCI_SEEK_TO_START) {
position = 0;
} else {
position = wma->dwPlayableVideoFrames - 1;
}
if (dwFlags & MCI_TEST) return 0;
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
EnterCriticalSection(&wma->cs);
if (dwFlags & MCI_SEEK_TO_START) {
wma->dwCurrVideoFrame = 0;
} else if (dwFlags & MCI_SEEK_TO_END) {
wma->dwCurrVideoFrame = wma->dwPlayableVideoFrames - 1;
} else if (dwFlags & MCI_TO) {
if (lpParms->dwTo > wma->dwPlayableVideoFrames - 1)
lpParms->dwTo = wma->dwPlayableVideoFrames - 1;
wma->dwCurrVideoFrame = MCIAVI_ConvertTimeFormatToFrame(wma, lpParms->dwTo);
} else {
WARN("dwFlag doesn't tell where to seek to...\n");
LeaveCriticalSection(&wma->cs);
return MCIERR_MISSING_PARAMETER;
}
TRACE("Seeking to frame=%u bytes\n", wma->dwCurrVideoFrame);
wma->dwCurrVideoFrame = position;
TRACE("Seeking to frame=%u\n", wma->dwCurrVideoFrame);
if (dwFlags & MCI_NOTIFY) {
mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
@ -777,17 +779,34 @@ static DWORD MCIAVI_mciUpdate(UINT wDevID, DWORD dwFlags, LPMCI_DGV_UPDATE_PARMS
static DWORD MCIAVI_mciStep(UINT wDevID, DWORD dwFlags, LPMCI_DGV_STEP_PARMS lpParms)
{
WINE_MCIAVI *wma;
DWORD position;
int delta = 1;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
TRACE("(%04x, %08x, %p)\n", wDevID, dwFlags, lpParms);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
if (dwFlags & MCI_DGV_STEP_FRAMES) delta = lpParms->dwFrames;
if (dwFlags & MCI_DGV_STEP_REVERSE) delta = -delta;
position = wma->dwCurrVideoFrame + delta;
if (position >= wma->dwPlayableVideoFrames) return MCIERR_OUTOFRANGE;
if (dwFlags & MCI_TEST) return 0;
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
EnterCriticalSection(&wma->cs);
wma->dwCurrVideoFrame = position;
TRACE("Stepping to frame=%u\n", wma->dwCurrVideoFrame);
if (dwFlags & MCI_NOTIFY) {
mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
wDevID, MCI_NOTIFY_SUCCESSFUL);
}
LeaveCriticalSection(&wma->cs);
return 0;
}