Changeset 67441 in vbox for trunk/src/VBox/Devices/Audio

Timestamp:

Jun 16, 2017 2:01:05 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

116172

Message:

Audio/DrvAudio.cpp: Added drvAudioDbgPCMDumpA() + dumping playback & capturing .PCM data when VBOX_AUDIO_DEBUG_DUMP_PCM_DATA is set.

File:

• trunk/src/VBox/Devices/Audio/DrvAudio.cpp (modified) (4 diffs)

trunk/src/VBox/Devices/Audio/DrvAudio.cpp

@@ -137 +137 @@
 
 # endif /* unused */
+
+static void drvAudioDbgPCMDumpA(PDRVAUDIO pThis, const char *pszPath, const char *pszSuffix, const void *pvData, size_t cbData);
 
 #ifdef LOG_ENABLED
@@ -1316 +1318 @@
                     break;
 
+#ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA
+                drvAudioDbgPCMDumpA(pThis, VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH, "PlayNonInterleaved.pcm",
+                                    auBuf, cbPlayed);
+#endif
                 AssertMsg(cbPlayed <= cbRead, ("Played more than available (%RU32 available but got %RU32)\n", cbRead, cbPlayed));
                 AssertMsg(cbPlayed % 2 == 0,
@@ -1596 +1602 @@
         else if (cbCaptured)
         {
+#ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA
+            drvAudioDbgPCMDumpA(pThis, VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH, "CaptureNonInterleaved.pcm",
+                                auBuf, cbCaptured);
+#endif
             Assert(cbCaptured <= cbBuf);
             if (cbCaptured > cbBuf) /* Paranoia. */
@@ -2059 +2069 @@
 }
 #endif /* VBOX_WITH_AUDIO_ENUM */
+
+#ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA
+/**
+ * Dumps (raw) PCM audio data into a file by appending.
+ *
+ * @returns IPRT status code.
+ * @param   pThis               Driver inststance.
+ * @param   pszPath             Path name to save file to. The path must exist.
+ * @param   pszFileName         File name suffix to use.
+ * @param   pvData              Pointer to PCM data to dump.
+ * @param   cbData              Size (in bytes) of PCM data to dump.
+ */
+static void drvAudioDbgPCMDumpA(PDRVAUDIO pThis,
+                                const char *pszPath, const char *pszSuffix, const void *pvData, size_t cbData)
+{
+    if (!pvData || !cbData)
+        return;
+
+    AssertPtr(pThis->pDrvIns);
+
+    char szFileName[64];
+    RTStrPrintf(szFileName, sizeof(szFileName), "drvAudio%RU32-%s", pThis->pDrvIns->iInstance, pszSuffix);
+
+    char szFilePath[RTPATH_MAX];
+    int rc2 = RTStrCopy(szFilePath, sizeof(szFilePath), pszPath);
+    AssertRC(rc2);
+    rc2 = RTPathAppend(szFilePath, sizeof(szFilePath), szFileName);
+    AssertRC(rc2);
+
+    RTFILE fh;
+    rc2 = RTFileOpen(&fh, szFilePath,
+                     RTFILE_O_OPEN_CREATE | RTFILE_O_APPEND | RTFILE_O_WRITE | RTFILE_O_DENY_NONE);
+    AssertRC(rc2);
+    if (RT_SUCCESS(rc2))
+    {
+        RTFileWrite(fh, pvData, cbData, NULL);
+        RTFileClose(fh);
+    }
+}
+#endif /* VBOX_AUDIO_DEBUG_DUMP_PCM_DATA */
 
 /**