mciavi32: Add partial support for MCI_DGV_PLAY_REPEAT

[Bruno Jesus]

Tested manually with some videos and it works as expected.

Partial fix for bug https://bugs.winehq.org/show_bug.cgi?id=19122
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diff --git a/dlls/mciavi32/mciavi.c b/dlls/mciavi32/mciavi.c
index 079c696..b1c89f0 100644
--- a/dlls/mciavi32/mciavi.c
+++ b/dlls/mciavi32/mciavi.c
@@ -402,14 +402,19 @@ static	DWORD	MCIAVI_player(WINE_MCIAVI *wma, DWORD dwFlags, LPMCI_PLAY_PARMS lpP
             }
             ReleaseDC(wma->hWndPaint, hDC);
         }
-        if(wma->dwCurrVideoFrame >= wma->dwToVideoFrame)
-            break;
+        if (wma->dwCurrVideoFrame >= wma->dwToVideoFrame)
+        {
+            if (!(dwFlags & MCI_DGV_PLAY_REPEAT))
+                break;
+            TRACE("repeat media as requested\n");
+            wma->dwCurrVideoFrame = wma->dwCurrAudioBlock = 0;
+        }
 
         if (wma->lpWaveFormat)
             MCIAVI_PlayAudioBlocks(wma, nHdr, waveHdr);
 
         tc = currenttime_us();
-        if(tc < next_frame_us)
+        if (tc < next_frame_us)
             delta = next_frame_us - tc;
         else
             delta = 0;
@@ -532,7 +537,7 @@ static	DWORD	MCIAVI_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms
     if (dwFlags & MCI_DGV_PLAY_REVERSE) return MCIERR_UNSUPPORTED_FUNCTION;
     if (dwFlags & MCI_TEST)	return 0;
 
-    if (dwFlags & (MCI_DGV_PLAY_REPEAT|MCI_MCIAVI_PLAY_WINDOW|MCI_MCIAVI_PLAY_FULLSCREEN|MCI_MCIAVI_PLAY_FULLBY2))
+    if (dwFlags & (MCI_MCIAVI_PLAY_WINDOW|MCI_MCIAVI_PLAY_FULLSCREEN|MCI_MCIAVI_PLAY_FULLBY2))
 	FIXME("Unsupported flag %08x\n", dwFlags);
 
     EnterCriticalSection(&wma->cs);