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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "FFVPXRuntimeLinker.h"
#include "FFmpegLibWrapper.h"
#include "FFmpegLog.h"
#include "BinaryPath.h"
#include "mozilla/FileUtils.h"
#include "nsLocalFile.h"
#include "prmem.h"
#include "prlink.h"
#ifdef XP_WIN
# include <windows.h>
#endif
namespace mozilla {
template <int V>
class FFmpegDecoderModule {
public:
static already_AddRefed<PlatformDecoderModule> Create(FFmpegLibWrapper*);
};
static FFmpegLibWrapper sFFVPXLib;
FFVPXRuntimeLinker::LinkStatus FFVPXRuntimeLinker::sLinkStatus =
LinkStatus_INIT;
static PRLibrary* MozAVLink(nsIFile* aFile) {
PRLibSpec lspec;
PathString path = aFile->NativePath();
#ifdef XP_WIN
lspec.type = PR_LibSpec_PathnameU;
lspec.value.pathname_u = path.get();
#else
lspec.type = PR_LibSpec_Pathname;
lspec.value.pathname = path.get();
#endif
#ifdef MOZ_WIDGET_ANDROID
PRLibrary* lib = PR_LoadLibraryWithFlags(lspec, PR_LD_NOW | PR_LD_GLOBAL);
#else
PRLibrary* lib = PR_LoadLibraryWithFlags(lspec, PR_LD_NOW | PR_LD_LOCAL);
#endif
if (!lib) {
FFMPEG_LOG("unable to load library %s", aFile->HumanReadablePath().get());
}
return lib;
}
/* static */
bool FFVPXRuntimeLinker::Init() {
if (sLinkStatus) {
return sLinkStatus == LinkStatus_SUCCEEDED;
}
MOZ_ASSERT(NS_IsMainThread());
sLinkStatus = LinkStatus_FAILED;
#ifdef MOZ_WAYLAND
sFFVPXLib.LinkVAAPILibs();
#endif
nsCOMPtr<nsIFile> libFile;
if (NS_FAILED(mozilla::BinaryPath::GetFile(getter_AddRefs(libFile)))) {
return false;
}
#ifdef XP_DARWIN
if (!XRE_IsParentProcess() &&
(XRE_GetChildProcBinPathType(XRE_GetProcessType()) ==
BinPathType::PluginContainer)) {
// On macOS, PluginContainer processes have their binary in a
// plugin-container.app/Content/MacOS/ directory.
nsCOMPtr<nsIFile> parentDir1, parentDir2;
if (NS_FAILED(libFile->GetParent(getter_AddRefs(parentDir1)))) {
return false;
}
if (NS_FAILED(parentDir1->GetParent(getter_AddRefs(parentDir2)))) {
return false;
}
if (NS_FAILED(parentDir2->GetParent(getter_AddRefs(libFile)))) {
return false;
}
}
#endif
if (NS_FAILED(libFile->SetNativeLeafName(MOZ_DLL_PREFIX
"mozavutil" MOZ_DLL_SUFFIX ""_ns))) {
return false;
}
sFFVPXLib.mAVUtilLib = MozAVLink(libFile);
if (NS_FAILED(libFile->SetNativeLeafName(
MOZ_DLL_PREFIX "mozavcodec" MOZ_DLL_SUFFIX ""_ns))) {
return false;
}
sFFVPXLib.mAVCodecLib = MozAVLink(libFile);
if (sFFVPXLib.Link() == FFmpegLibWrapper::LinkResult::Success) {
sLinkStatus = LinkStatus_SUCCEEDED;
return true;
}
return false;
}
/* static */
already_AddRefed<PlatformDecoderModule> FFVPXRuntimeLinker::Create() {
if (!Init()) {
return nullptr;
}
return FFmpegDecoderModule<FFVPX_VERSION>::Create(&sFFVPXLib);
}
/* static */
void FFVPXRuntimeLinker::GetRDFTFuncs(FFmpegRDFTFuncs* aOutFuncs) {
MOZ_ASSERT(sLinkStatus != LinkStatus_INIT);
if (sFFVPXLib.av_rdft_init && sFFVPXLib.av_rdft_calc &&
sFFVPXLib.av_rdft_end) {
aOutFuncs->init = sFFVPXLib.av_rdft_init;
aOutFuncs->calc = sFFVPXLib.av_rdft_calc;
aOutFuncs->end = sFFVPXLib.av_rdft_end;
} else {
NS_WARNING("RDFT functions expected but not found");
*aOutFuncs = FFmpegRDFTFuncs(); // zero
}
}
} // namespace mozilla
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