Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef __FFmpegRuntimeLinker_h__
       8             : #define __FFmpegRuntimeLinker_h__
       9             : 
      10             : #include "PlatformDecoderModule.h"
      11             : 
      12             : namespace mozilla {
      13             : 
      14             : class FFmpegRuntimeLinker
      15             : {
      16             : public:
      17             :   static bool Init();
      18             :   static already_AddRefed<PlatformDecoderModule> CreateDecoderModule();
      19             :   enum LinkStatus
      20             :   {
      21             :     LinkStatus_INIT = 0,  // Never been linked.
      22             :     LinkStatus_SUCCEEDED, // Found a usable library.
      23             :     // The following error statuses are sorted from most to least preferred
      24             :     // (i.e., if more than one happens, the top one is chosen.)
      25             :     LinkStatus_INVALID_FFMPEG_CANDIDATE, // Found ffmpeg with unexpected contents.
      26             :     LinkStatus_UNUSABLE_LIBAV57, // Found LibAV 57, which we cannot use.
      27             :     LinkStatus_INVALID_LIBAV_CANDIDATE, // Found libav with unexpected contents.
      28             :     LinkStatus_OBSOLETE_FFMPEG,
      29             :     LinkStatus_OBSOLETE_LIBAV,
      30             :     LinkStatus_INVALID_CANDIDATE, // Found some lib with unexpected contents.
      31             :     LinkStatus_NOT_FOUND, // Haven't found any library with an expected name.
      32             :   };
      33           0 :   static LinkStatus LinkStatusCode() { return sLinkStatus; }
      34             :   static const char* LinkStatusString();
      35             :   // Library name to which the sLinkStatus applies, or "" if not applicable.
      36           0 :   static const char* LinkStatusLibraryName() { return sLinkStatusLibraryName; }
      37             : 
      38             : private:
      39             :   static LinkStatus sLinkStatus;
      40             :   static const char* sLinkStatusLibraryName;
      41             : };
      42             : 
      43             : }
      44             : 
      45             : #endif // __FFmpegRuntimeLinker_h__