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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 */
#ifndef __FFmpegRuntimeLinker_h__
#define __FFmpegRuntimeLinker_h__
#include "PlatformDecoderModule.h"
#include "PlatformEncoderModule.h"
namespace mozilla {
class FFmpegRuntimeLinker {
static bool Init();
static already_AddRefed<PlatformDecoderModule> CreateDecoder();
static already_AddRefed<PlatformEncoderModule> CreateEncoder();
enum LinkStatus {
LinkStatus_INIT = 0, // Never been linked.
LinkStatus_SUCCEEDED, // Found a usable library.
// The following error statuses are sorted from most to least preferred
// (i.e., if more than one happens, the top one is chosen.)
LinkStatus_INVALID_FFMPEG_CANDIDATE, // Found ffmpeg with unexpected
// contents.
LinkStatus_UNUSABLE_LIBAV57, // Found LibAV 57, which we cannot use.
LinkStatus_INVALID_LIBAV_CANDIDATE, // Found libav with unexpected
// contents.
LinkStatus_INVALID_CANDIDATE, // Found some lib with unexpected contents.
LinkStatus_NOT_FOUND, // Haven't found any library with an expected name.
static LinkStatus LinkStatusCode() { return sLinkStatus; }
static const char* LinkStatusString();
// Library name to which the sLinkStatus applies, or "" if not applicable.
static const char* LinkStatusLibraryName() { return sLinkStatusLibraryName; }
static LinkStatus sLinkStatus;
static const char* sLinkStatusLibraryName;
} // namespace mozilla
#endif // __FFmpegRuntimeLinker_h__