qffmpegsymbols-va.cpp

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// Copyright (C) 2024 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:critical reason:execute-external-code

#include <QtMultimedia/private/qsymbolsresolveutils_p.h>

#include <va/va.h>

#include <va/va_str.h>

// VAAPI generated the actual *.so name due to the rule:

// https://github.com/intel/libva/blob/master/configure.ac

//

// The library name is generated libva.<x>.<y>.0 where

// <x> = VA-API major version + 1

// <y> = 100 * VA-API minor version + VA-API micro version

CHECK_VERSIONS("va", VA_NEEDED_SOVERSION, VA_MAJOR_VERSION + 1);

#ifdef Q_FFMPEG_PLUGIN_STUBS_ONLY

constexpr const char *loggingName = "va(in plugin)";

#else

constexpr const char *loggingName = nullptr;

#endif

BEGIN_INIT_FUNCS("va", VA_NEEDED_SOVERSION, loggingName)

INIT_FUNC(vaExportSurfaceHandle);

INIT_FUNC(vaSyncSurface);

INIT_FUNC(vaQueryVendorString);

#ifndef Q_FFMPEG_PLUGIN_STUBS_ONLY

INIT_FUNC(vaInitialize);

INIT_FUNC(vaTerminate);

INIT_FUNC(vaErrorStr);

INIT_FUNC(vaSetErrorCallback);

INIT_FUNC(vaSetInfoCallback);

INIT_FUNC(vaCreateImage);

INIT_FUNC(vaGetImage);

INIT_FUNC(vaPutImage);

INIT_FUNC(vaDeriveImage);

INIT_FUNC(vaDestroyImage);

INIT_FUNC(vaQueryImageFormats);

INIT_FUNC(vaBeginPicture);

INIT_FUNC(vaRenderPicture);

INIT_FUNC(vaEndPicture);

INIT_FUNC(vaCreateBuffer);

INIT_FUNC(vaMapBuffer);

INIT_OPT_FUNC(vaMapBuffer2);

INIT_FUNC(vaUnmapBuffer);

#if VA_CHECK_VERSION(1, 9, 0)

INIT_FUNC(vaSyncBuffer);

#endif

INIT_FUNC(vaDestroyBuffer);

INIT_FUNC(vaCreateSurfaces);

INIT_FUNC(vaDestroySurfaces);

INIT_FUNC(vaCreateConfig);

INIT_FUNC(vaGetConfigAttributes);

INIT_FUNC(vaMaxNumProfiles);

INIT_FUNC(vaMaxNumImageFormats);

INIT_FUNC(vaMaxNumEntrypoints);

INIT_FUNC(vaQueryConfigProfiles);

INIT_FUNC(vaQueryConfigEntrypoints);

INIT_FUNC(vaQuerySurfaceAttributes);

INIT_FUNC(vaDestroyConfig);

INIT_FUNC(vaCreateContext);

INIT_FUNC(vaDestroyContext);

INIT_FUNC(vaProfileStr);

INIT_FUNC(vaEntrypointStr);

INIT_FUNC(vaGetDisplayAttributes);

INIT_FUNC(vaSetDriverName);

INIT_FUNC(vaAcquireBufferHandle);

INIT_FUNC(vaReleaseBufferHandle);

#endif

END_INIT_FUNCS()

constexpr auto emptyString = "";

DEFINE_FUNC(vaExportSurfaceHandle, 5, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaSyncSurface, 2, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaQueryVendorString, 1, emptyString);

#ifndef Q_FFMPEG_PLUGIN_STUBS_ONLY

DEFINE_FUNC(vaInitialize, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaTerminate, 1, VA_STATUS_ERROR_OPERATION_FAILED);

constexpr auto errorStr = "VAAPI is not available";

DEFINE_FUNC(vaErrorStr, 1, errorStr);

DEFINE_FUNC(vaSetErrorCallback, 3);

DEFINE_FUNC(vaSetInfoCallback, 3);

DEFINE_FUNC(vaCreateImage, 5, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaGetImage, 7, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaPutImage, 11, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaDeriveImage, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaDestroyImage, 2, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaQueryImageFormats, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaBeginPicture, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaRenderPicture, 4, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaEndPicture, 2, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaCreateBuffer, 7, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaMapBuffer, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaUnmapBuffer, 2, VA_STATUS_ERROR_OPERATION_FAILED);

#if VA_CHECK_VERSION(1, 9, 0)

DEFINE_FUNC(vaSyncBuffer, 3, VA_STATUS_ERROR_OPERATION_FAILED);

#endif

DEFINE_FUNC(vaDestroyBuffer, 2, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaCreateSurfaces, 8, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaDestroySurfaces, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaCreateConfig, 6, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaGetConfigAttributes, 5, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaMaxNumProfiles, 1);

DEFINE_FUNC(vaMaxNumImageFormats, 1);

DEFINE_FUNC(vaMaxNumEntrypoints, 1);

DEFINE_FUNC(vaQueryConfigProfiles, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaQueryConfigEntrypoints, 4, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaQuerySurfaceAttributes, 4, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaDestroyConfig, 2, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaCreateContext, 8);

DEFINE_FUNC(vaDestroyContext, 2);

DEFINE_FUNC(vaProfileStr, 1, emptyString);

DEFINE_FUNC(vaEntrypointStr, 1, emptyString);

DEFINE_FUNC(vaGetDisplayAttributes, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaSetDriverName, 2, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaAcquireBufferHandle, 3, VA_STATUS_ERROR_OPERATION_FAILED);

DEFINE_FUNC(vaReleaseBufferHandle, 2, VA_STATUS_ERROR_OPERATION_FAILED);

// HACK: vaMapBuffer2 is a new function added in libva 2.21.0 and FFmpeg will

// use it when compiled against headers that declare it.

// However we expect our binaries to run on older libva versions as well.

extern "C" EXPORT_FUNC VAStatus vaMapBuffer2(VADisplay dpy, VABufferID buf_id,

                                             void **pbuf, uint32_t flags)

    const auto f = reinterpret_cast<decltype(::vaMapBuffer2)*>(

        SymbolsResolverImpl::instance().vaMapBuffer2);

    if (f)

        return f(dpy, buf_id, pbuf, flags);

    else

        return vaMapBuffer(dpy, buf_id, pbuf);

#endif