mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
/* -*- 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 <dlfcn.h>
|
|
|
|
#include "nsDebug.h"
|
|
|
|
#include "FFmpegRuntimeLinker.h"
|
|
|
|
// For FFMPEG_LOG
|
|
#include "FFmpegDecoderModule.h"
|
|
|
|
#define NUM_ELEMENTS(X) (sizeof(X) / sizeof((X)[0]))
|
|
|
|
#define LIBAVCODEC 0
|
|
#define LIBAVFORMAT 1
|
|
#define LIBAVUTIL 2
|
|
|
|
namespace mozilla
|
|
{
|
|
|
|
FFmpegRuntimeLinker::LinkStatus FFmpegRuntimeLinker::sLinkStatus =
|
|
LinkStatus_INIT;
|
|
|
|
static const char * const sLibNames[] = {
|
|
"libavcodec.so.53", "libavformat.so.53", "libavutil.so.51",
|
|
};
|
|
|
|
void* FFmpegRuntimeLinker::sLinkedLibs[NUM_ELEMENTS(sLibNames)] = {
|
|
nullptr, nullptr, nullptr
|
|
};
|
|
|
|
#define AV_FUNC(lib, func) typeof(func) func;
|
|
#include "FFmpegFunctionList.h"
|
|
#undef AV_FUNC
|
|
|
|
/* static */ bool
|
|
FFmpegRuntimeLinker::Link()
|
|
{
|
|
if (sLinkStatus) {
|
|
return sLinkStatus == LinkStatus_SUCCEEDED;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < NUM_ELEMENTS(sLinkedLibs); i++) {
|
|
if (!(sLinkedLibs[i] = dlopen(sLibNames[i], RTLD_NOW | RTLD_LOCAL))) {
|
|
NS_WARNING("Couldn't link ffmpeg libraries.");
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
#define AV_FUNC(lib, func) \
|
|
func = (typeof(func))dlsym(sLinkedLibs[lib], #func); \
|
|
if (!func) { \
|
|
NS_WARNING("Couldn't load FFmpeg function " #func "."); \
|
|
goto fail; \
|
|
}
|
|
#include "FFmpegFunctionList.h"
|
|
#undef AV_FUNC
|
|
|
|
sLinkStatus = LinkStatus_SUCCEEDED;
|
|
return true;
|
|
|
|
fail:
|
|
Unlink();
|
|
|
|
sLinkStatus = LinkStatus_FAILED;
|
|
return false;
|
|
}
|
|
|
|
/* static */ void
|
|
FFmpegRuntimeLinker::Unlink()
|
|
{
|
|
FFMPEG_LOG("Unlinking ffmpeg libraries.");
|
|
for (uint32_t i = 0; i < NUM_ELEMENTS(sLinkedLibs); i++) {
|
|
if (sLinkedLibs[i]) {
|
|
dlclose(sLinkedLibs[i]);
|
|
sLinkedLibs[i] = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace mozilla
|