Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 463 insertions, 0 deletions

diff --git a/include/VBox/vmm/pdmaudiohostenuminline.h b/include/VBox/vmm/pdmaudiohostenuminline.h
new file mode 100644
index 00000000..538c3bd6
--- /dev/null
+++ b/include/VBox/vmm/pdmaudiohostenuminline.h
@@ -0,0 +1,463 @@
+/* $Id: pdmaudiohostenuminline.h $ */
+/** @file
+ * PDM - Audio Helpers for host audio device enumeration, Inlined Code. (DEV,++)
+ *
+ * This is all inlined because it's too tedious to create a couple libraries to
+ * contain it all (same bad excuse as for intnetinline.h & pdmnetinline.h).
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * 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.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef VBOX_INCLUDED_vmm_pdmaudiohostenuminline_h
+#define VBOX_INCLUDED_vmm_pdmaudiohostenuminline_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <VBox/err.h>
+#include <VBox/log.h>
+#include <VBox/vmm/pdmaudioifs.h>
+#include <VBox/vmm/pdmaudioinline.h>
+
+#include <iprt/assert.h>
+#include <iprt/mem.h>
+#include <iprt/string.h>
+
+
+/** @defgroup grp_pdm_audio_host_enum_inline    The PDM Host Audio Enumeration Helper APIs
+ * @ingroup grp_pdm
+ * @{
+ */
+
+
+/**
+ * Allocates a host audio device for an enumeration result.
+ *
+ * @returns Newly allocated audio device, or NULL on failure.
+ * @param   cb      The total device structure size.   This must be at least the
+ *                  size of PDMAUDIOHOSTDEV.  The idea is that the caller extends
+ *                  the PDMAUDIOHOSTDEV structure and appends additional data
+ *                  after it in its private structure.
+ * @param   cbName  The number of bytes to allocate for the name field
+ *                  (including the terminator). Pass zero if RTStrAlloc and
+ *                  friends will be used.
+ * @param   cbId    The number of bytes to allocate for the ID field. Pass
+ *                  zero if RTStrAlloc and friends will be used.
+ */
+DECLINLINE(PPDMAUDIOHOSTDEV) PDMAudioHostDevAlloc(size_t cb, size_t cbName, size_t cbId)
+{
+    AssertReturn(cb >= sizeof(PDMAUDIOHOSTDEV), NULL);
+    AssertReturn(cb < _4M, NULL);
+    AssertReturn(cbName < _4K, NULL);
+    AssertReturn(cbId < _16K, NULL);
+
+    PPDMAUDIOHOSTDEV pDev = (PPDMAUDIOHOSTDEV)RTMemAllocZ(RT_ALIGN_Z(cb + cbName + cbId, 64));
+    if (pDev)
+    {
+        pDev->uMagic  = PDMAUDIOHOSTDEV_MAGIC;
+        pDev->cbSelf  = (uint32_t)cb;
+        RTListInit(&pDev->ListEntry);
+        if (cbName)
+            pDev->pszName = (char *)pDev + cb;
+        if (cbId)
+            pDev->pszId   = (char *)pDev + cb + cbName;
+    }
+    return pDev;
+}
+
+/**
+ * Frees a host audio device allocated by PDMAudioHostDevAlloc.
+ *
+ * @param   pDev    The device to free.  NULL is ignored.
+ */
+DECLINLINE(void) PDMAudioHostDevFree(PPDMAUDIOHOSTDEV pDev)
+{
+    if (pDev)
+    {
+        Assert(pDev->uMagic == PDMAUDIOHOSTDEV_MAGIC);
+        pDev->uMagic = ~PDMAUDIOHOSTDEV_MAGIC;
+        pDev->cbSelf = 0;
+
+        if (pDev->fFlags & PDMAUDIOHOSTDEV_F_NAME_ALLOC)
+        {
+            RTStrFree(pDev->pszName);
+            pDev->pszName = NULL;
+        }
+
+        if (pDev->fFlags & PDMAUDIOHOSTDEV_F_ID_ALLOC)
+        {
+            RTStrFree(pDev->pszId);
+            pDev->pszId = NULL;
+        }
+
+        RTMemFree(pDev);
+    }
+}
+
+/**
+ * Duplicates a host audio device enumeration entry.
+ *
+ * @returns Duplicated audio device entry on success, or NULL on failure.
+ * @param   pDev            The audio device enum entry to duplicate.
+ * @param   fOnlyCoreData
+ */
+DECLINLINE(PPDMAUDIOHOSTDEV) PDMAudioHostDevDup(PCPDMAUDIOHOSTDEV pDev, bool fOnlyCoreData)
+{
+    AssertPtrReturn(pDev, NULL);
+    Assert(pDev->uMagic == PDMAUDIOHOSTDEV_MAGIC);
+    Assert(fOnlyCoreData || !(pDev->fFlags & PDMAUDIOHOSTDEV_F_NO_DUP));
+
+    uint32_t cbToDup = fOnlyCoreData ? sizeof(PDMAUDIOHOSTDEV) : pDev->cbSelf;
+    AssertReturn(cbToDup >= sizeof(*pDev), NULL);
+
+    PPDMAUDIOHOSTDEV pDevDup = PDMAudioHostDevAlloc(cbToDup, 0, 0);
+    if (pDevDup)
+    {
+        memcpy(pDevDup, pDev, cbToDup);
+        RTListInit(&pDevDup->ListEntry);
+        pDevDup->cbSelf = cbToDup;
+
+        if (pDev->pszName)
+        {
+            uintptr_t off;
+            if (   (pDevDup->fFlags & PDMAUDIOHOSTDEV_F_NAME_ALLOC)
+                || (off = (uintptr_t)pDev->pszName - (uintptr_t)pDev) >= pDevDup->cbSelf)
+            {
+                pDevDup->fFlags |= PDMAUDIOHOSTDEV_F_NAME_ALLOC;
+                pDevDup->pszName = RTStrDup(pDev->pszName);
+                AssertReturnStmt(pDevDup->pszName, PDMAudioHostDevFree(pDevDup), NULL);
+            }
+            else
+                pDevDup->pszName = (char *)pDevDup + off;
+        }
+
+        if (pDev->pszId)
+        {
+            uintptr_t off;
+            if (   (pDevDup->fFlags & PDMAUDIOHOSTDEV_F_ID_ALLOC)
+                || (off = (uintptr_t)pDev->pszId - (uintptr_t)pDev) >= pDevDup->cbSelf)
+            {
+                pDevDup->fFlags |= PDMAUDIOHOSTDEV_F_ID_ALLOC;
+                pDevDup->pszId   = RTStrDup(pDev->pszId);
+                AssertReturnStmt(pDevDup->pszId, PDMAudioHostDevFree(pDevDup), NULL);
+            }
+            else
+                pDevDup->pszId = (char *)pDevDup + off;
+        }
+    }
+
+    return pDevDup;
+}
+
+/**
+ * Initializes a host audio device enumeration.
+ *
+ * @param   pDevEnm     The enumeration to initialize.
+ */
+DECLINLINE(void) PDMAudioHostEnumInit(PPDMAUDIOHOSTENUM pDevEnm)
+{
+    AssertPtr(pDevEnm);
+
+    pDevEnm->uMagic   = PDMAUDIOHOSTENUM_MAGIC;
+    pDevEnm->cDevices = 0;
+    RTListInit(&pDevEnm->LstDevices);
+}
+
+/**
+ * Deletes the host audio device enumeration and frees all device entries
+ * associated with it.
+ *
+ * The user must call PDMAudioHostEnumInit again to use it again.
+ *
+ * @param   pDevEnm     The host audio device enumeration to delete.
+ */
+DECLINLINE(void) PDMAudioHostEnumDelete(PPDMAUDIOHOSTENUM pDevEnm)
+{
+    if (pDevEnm)
+    {
+        AssertPtr(pDevEnm);
+        AssertReturnVoid(pDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC);
+
+        PPDMAUDIOHOSTDEV pDev, pDevNext;
+        RTListForEachSafe(&pDevEnm->LstDevices, pDev, pDevNext, PDMAUDIOHOSTDEV, ListEntry)
+        {
+            RTListNodeRemove(&pDev->ListEntry);
+
+            PDMAudioHostDevFree(pDev);
+
+            pDevEnm->cDevices--;
+        }
+
+        /* Sanity. */
+        Assert(RTListIsEmpty(&pDevEnm->LstDevices));
+        Assert(pDevEnm->cDevices == 0);
+
+        pDevEnm->uMagic = ~PDMAUDIOHOSTENUM_MAGIC;
+    }
+}
+
+/**
+ * Adds an audio device to a device enumeration.
+ *
+ * @param  pDevEnm              Device enumeration to add device to.
+ * @param  pDev                 Device to add. The pointer will be owned by the device enumeration  then.
+ */
+DECLINLINE(void) PDMAudioHostEnumAppend(PPDMAUDIOHOSTENUM pDevEnm, PPDMAUDIOHOSTDEV pDev)
+{
+    AssertPtr(pDevEnm);
+    AssertPtr(pDev);
+    Assert(pDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC);
+
+    RTListAppend(&pDevEnm->LstDevices, &pDev->ListEntry);
+    pDevEnm->cDevices++;
+}
+
+/**
+ * Appends copies of matching host device entries from one to another enumeration.
+ *
+ * @returns VBox status code.
+ * @param   pDstDevEnm      The target to append copies of matching device to.
+ * @param   pSrcDevEnm      The source to copy matching devices from.
+ * @param   enmUsage        The usage to match for copying.
+ *                          Use PDMAUDIODIR_INVALID to match all entries.
+ * @param   fOnlyCoreData   Set this to only copy the PDMAUDIOHOSTDEV part.
+ *                          Careful with passing @c false here as not all
+ *                          backends have data that can be copied.
+ */
+DECLINLINE(int) PDMAudioHostEnumCopy(PPDMAUDIOHOSTENUM pDstDevEnm, PCPDMAUDIOHOSTENUM pSrcDevEnm,
+                                     PDMAUDIODIR enmUsage, bool fOnlyCoreData)
+{
+    AssertPtrReturn(pDstDevEnm, VERR_INVALID_POINTER);
+    AssertReturn(pDstDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC, VERR_WRONG_ORDER);
+
+    AssertPtrReturn(pSrcDevEnm, VERR_INVALID_POINTER);
+    AssertReturn(pSrcDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC, VERR_WRONG_ORDER);
+
+    PPDMAUDIOHOSTDEV pSrcDev;
+    RTListForEach(&pSrcDevEnm->LstDevices, pSrcDev, PDMAUDIOHOSTDEV, ListEntry)
+    {
+        if (   enmUsage == pSrcDev->enmUsage
+            || enmUsage == PDMAUDIODIR_INVALID /*all*/)
+        {
+            PPDMAUDIOHOSTDEV pDstDev = PDMAudioHostDevDup(pSrcDev, fOnlyCoreData);
+            AssertReturn(pDstDev, VERR_NO_MEMORY);
+
+            PDMAudioHostEnumAppend(pDstDevEnm, pDstDev);
+        }
+    }
+
+    return VINF_SUCCESS;
+}
+
+/**
+ * Moves all the device entries from one enumeration to another, destroying the
+ * former.
+ *
+ * @returns VBox status code.
+ * @param   pDstDevEnm          The target to put move @a pSrcDevEnm to.  This
+ *                              does not need to be initialized, but if it is it
+ *                              must not have any device entries.
+ * @param   pSrcDevEnm          The source to move from.  This will be empty
+ *                              upon successful return.
+ */
+DECLINLINE(int) PDMAudioHostEnumMove(PPDMAUDIOHOSTENUM pDstDevEnm, PPDMAUDIOHOSTENUM pSrcDevEnm)
+{
+    AssertPtrReturn(pDstDevEnm, VERR_INVALID_POINTER);
+    AssertReturn(pDstDevEnm->uMagic != PDMAUDIOHOSTENUM_MAGIC || pDstDevEnm->cDevices == 0, VERR_WRONG_ORDER);
+
+    AssertPtrReturn(pSrcDevEnm, VERR_INVALID_POINTER);
+    AssertReturn(pSrcDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC, VERR_WRONG_ORDER);
+
+    pDstDevEnm->uMagic   = PDMAUDIOHOSTENUM_MAGIC;
+    RTListInit(&pDstDevEnm->LstDevices);
+    pDstDevEnm->cDevices = pSrcDevEnm->cDevices;
+    if (pSrcDevEnm->cDevices)
+    {
+        PPDMAUDIOHOSTDEV pCur;
+        while ((pCur = RTListRemoveFirst(&pSrcDevEnm->LstDevices, PDMAUDIOHOSTDEV, ListEntry)) != NULL)
+            RTListAppend(&pDstDevEnm->LstDevices, &pCur->ListEntry);
+    }
+    return VINF_SUCCESS;
+}
+
+/**
+ * Get the default device with the given usage.
+ *
+ * This assumes that only one default device per usage is set, if there should
+ * be more than one, the first one is returned.
+ *
+ * @returns Default device if found, or NULL if not.
+ * @param   pDevEnm     Device enumeration to get default device for.
+ * @param   enmUsage    Usage to get default device for.
+ *                      Pass PDMAUDIODIR_INVALID to get the first device with
+ *                      either PDMAUDIOHOSTDEV_F_DEFAULT_OUT or
+ *                      PDMAUDIOHOSTDEV_F_DEFAULT_IN set.
+ */
+DECLINLINE(PPDMAUDIOHOSTDEV) PDMAudioHostEnumGetDefault(PCPDMAUDIOHOSTENUM pDevEnm, PDMAUDIODIR enmUsage)
+{
+    AssertPtrReturn(pDevEnm, NULL);
+    AssertReturn(pDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC, NULL);
+
+    Assert(enmUsage == PDMAUDIODIR_IN || enmUsage == PDMAUDIODIR_OUT || enmUsage == PDMAUDIODIR_INVALID);
+    uint32_t const fFlags = enmUsage == PDMAUDIODIR_IN      ? PDMAUDIOHOSTDEV_F_DEFAULT_IN
+                          : enmUsage == PDMAUDIODIR_OUT     ? PDMAUDIOHOSTDEV_F_DEFAULT_OUT
+                          : enmUsage == PDMAUDIODIR_INVALID ? PDMAUDIOHOSTDEV_F_DEFAULT_IN | PDMAUDIOHOSTDEV_F_DEFAULT_OUT
+                          : 0;
+
+    PPDMAUDIOHOSTDEV pDev;
+    RTListForEach(&pDevEnm->LstDevices, pDev, PDMAUDIOHOSTDEV, ListEntry)
+    {
+        if (pDev->fFlags & fFlags)
+        {
+            Assert(pDev->enmUsage == enmUsage || pDev->enmUsage == PDMAUDIODIR_DUPLEX || enmUsage == PDMAUDIODIR_INVALID);
+            return pDev;
+        }
+    }
+
+    return NULL;
+}
+
+/**
+ * Get the number of device with the given usage.
+ *
+ * @returns Number of matching devices.
+ * @param   pDevEnm     Device enumeration to get default device for.
+ * @param   enmUsage    Usage to count devices for.
+ *                      Pass PDMAUDIODIR_INVALID to get the total number of devices.
+ */
+DECLINLINE(uint32_t) PDMAudioHostEnumCountMatching(PCPDMAUDIOHOSTENUM pDevEnm, PDMAUDIODIR enmUsage)
+{
+    AssertPtrReturn(pDevEnm, 0);
+    AssertReturn(pDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC, 0);
+
+    if (enmUsage == PDMAUDIODIR_INVALID)
+        return pDevEnm->cDevices;
+
+    uint32_t        cDevs = 0;
+    PPDMAUDIOHOSTDEV pDev;
+    RTListForEach(&pDevEnm->LstDevices, pDev, PDMAUDIOHOSTDEV, ListEntry)
+    {
+        if (enmUsage == pDev->enmUsage)
+            cDevs++;
+    }
+
+    return cDevs;
+}
+
+/** The max string length for all PDMAUDIOHOSTDEV_F_XXX.
+ * @sa PDMAudioHostDevFlagsToString */
+#define PDMAUDIOHOSTDEV_MAX_FLAGS_STRING_LEN sizeof("DEFAULT_OUT DEFAULT_IN HOTPLUG BUGGY IGNORE LOCKED DEAD NAME_ALLOC ID_ALLOC NO_DUP ")
+
+/**
+ * Converts an audio device flags to a string.
+ *
+ * @returns
+ * @param   pszDst      Destination buffer with a size of at least
+ *                      PDMAUDIOHOSTDEV_MAX_FLAGS_STRING_LEN bytes (including
+ *                      the string terminator).
+ * @param   fFlags      Audio flags (PDMAUDIOHOSTDEV_F_XXX) to convert.
+ */
+DECLINLINE(const char *) PDMAudioHostDevFlagsToString(char pszDst[PDMAUDIOHOSTDEV_MAX_FLAGS_STRING_LEN], uint32_t fFlags)
+{
+    static const struct { const char *pszMnemonic; uint32_t cchMnemonic; uint32_t fFlag; } s_aFlags[] =
+    {
+        { RT_STR_TUPLE("DEFAULT_OUT "), PDMAUDIOHOSTDEV_F_DEFAULT_OUT },
+        { RT_STR_TUPLE("DEFAULT_IN "),  PDMAUDIOHOSTDEV_F_DEFAULT_IN },
+        { RT_STR_TUPLE("HOTPLUG "),     PDMAUDIOHOSTDEV_F_HOTPLUG },
+        { RT_STR_TUPLE("BUGGY "),       PDMAUDIOHOSTDEV_F_BUGGY   },
+        { RT_STR_TUPLE("IGNORE "),      PDMAUDIOHOSTDEV_F_IGNORE  },
+        { RT_STR_TUPLE("LOCKED "),      PDMAUDIOHOSTDEV_F_LOCKED  },
+        { RT_STR_TUPLE("DEAD "),        PDMAUDIOHOSTDEV_F_DEAD    },
+        { RT_STR_TUPLE("NAME_ALLOC "),  PDMAUDIOHOSTDEV_F_NAME_ALLOC },
+        { RT_STR_TUPLE("ID_ALLOC "),    PDMAUDIOHOSTDEV_F_ID_ALLOC },
+        { RT_STR_TUPLE("NO_DUP "),      PDMAUDIOHOSTDEV_F_NO_DUP  },
+    };
+    size_t offDst = 0;
+    for (uint32_t i = 0; i < RT_ELEMENTS(s_aFlags); i++)
+        if (fFlags & s_aFlags[i].fFlag)
+        {
+            fFlags &= ~s_aFlags[i].fFlag;
+            memcpy(&pszDst[offDst], s_aFlags[i].pszMnemonic, s_aFlags[i].cchMnemonic);
+            offDst += s_aFlags[i].cchMnemonic;
+        }
+    Assert(fFlags == 0);
+    Assert(offDst < PDMAUDIOHOSTDEV_MAX_FLAGS_STRING_LEN);
+
+    if (offDst)
+        pszDst[offDst - 1] = '\0';
+    else
+        memcpy(pszDst, "NONE", sizeof("NONE"));
+    return pszDst;
+}
+
+/**
+ * Logs an audio device enumeration.
+ *
+ * @param  pDevEnm  Device enumeration to log.
+ * @param  pszDesc  Logging description (prefix).
+ */
+DECLINLINE(void) PDMAudioHostEnumLog(PCPDMAUDIOHOSTENUM pDevEnm, const char *pszDesc)
+{
+#ifdef LOG_ENABLED
+    AssertPtrReturnVoid(pDevEnm);
+    AssertPtrReturnVoid(pszDesc);
+    AssertReturnVoid(pDevEnm->uMagic == PDMAUDIOHOSTENUM_MAGIC);
+
+    if (LogIsEnabled())
+    {
+        LogFunc(("%s: %RU32 devices\n", pszDesc, pDevEnm->cDevices));
+
+        PPDMAUDIOHOSTDEV pDev;
+        RTListForEach(&pDevEnm->LstDevices, pDev, PDMAUDIOHOSTDEV, ListEntry)
+        {
+            char szFlags[PDMAUDIOHOSTDEV_MAX_FLAGS_STRING_LEN];
+            LogFunc(("Device '%s':\n", pDev->pszName));
+            LogFunc(("  ID              = %s\n",             pDev->pszId ? pDev->pszId : "<none>"));
+            LogFunc(("  Usage           = %s\n",             PDMAudioDirGetName(pDev->enmUsage)));
+            LogFunc(("  Flags           = %s\n",             PDMAudioHostDevFlagsToString(szFlags, pDev->fFlags)));
+            LogFunc(("  Input channels  = %RU8\n",           pDev->cMaxInputChannels));
+            LogFunc(("  Output channels = %RU8\n",           pDev->cMaxOutputChannels));
+            LogFunc(("  cbExtra         = %RU32 bytes\n",    pDev->cbSelf - sizeof(PDMAUDIOHOSTDEV)));
+        }
+    }
+#else
+    RT_NOREF(pDevEnm, pszDesc);
+#endif
+}
+
+/** @} */
+
+#endif /* !VBOX_INCLUDED_vmm_pdmaudiohostenuminline_h */