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-rw-r--r--dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.h45
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diff --git a/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.h b/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.h
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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/. */
+
+#ifndef __FFmpegRuntimeLinker_h__
+#define __FFmpegRuntimeLinker_h__
+
+#include "PlatformDecoderModule.h"
+
+namespace mozilla {
+
+class FFmpegRuntimeLinker {
+ public:
+ static bool Init();
+ static already_AddRefed<PlatformDecoderModule> Create();
+ 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_OBSOLETE_FFMPEG,
+ LinkStatus_OBSOLETE_LIBAV,
+ 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; }
+
+ private:
+ static LinkStatus sLinkStatus;
+ static const char* sLinkStatusLibraryName;
+};
+
+} // namespace mozilla
+
+#endif // __FFmpegRuntimeLinker_h__