1 files changed, 95 insertions, 0 deletions
diff --git a/include/media/stagefright/MediaCodecList.h b/include/media/stagefright/MediaCodecList.h
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+++ b/include/media/stagefright/MediaCodecList.h
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+/*
+ * Copyright 2012, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_CODEC_LIST_H_
+
+#define MEDIA_CODEC_LIST_H_
+
+#include <media/stagefright/foundation/ABase.h>
+#include <media/stagefright/foundation/AString.h>
+
+#include <sys/types.h>
+#include <utils/Errors.h>
+#include <utils/KeyedVector.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+struct MediaCodecList {
+    static const MediaCodecList *getInstance();
+
+    ssize_t findCodecByType(
+            const char *type, bool encoder, size_t startIndex = 0) const;
+
+    ssize_t findCodecByName(const char *name) const;
+
+    const char *getCodecName(size_t index) const;
+    bool codecHasQuirk(size_t index, const char *quirkName) const;
+
+private:
+    enum Section {
+        SECTION_TOPLEVEL,
+        SECTION_DECODERS,
+        SECTION_DECODER,
+        SECTION_ENCODERS,
+        SECTION_ENCODER,
+    };
+
+    struct CodecInfo {
+        AString mName;
+        bool mIsEncoder;
+        uint32_t mTypes;
+        uint32_t mQuirks;
+    };
+
+    static MediaCodecList *sCodecList;
+
+    status_t mInitCheck;
+    Section mCurrentSection;
+    int32_t mDepth;
+
+    Vector<CodecInfo> mCodecInfos;
+    KeyedVector<AString, size_t> mCodecQuirks;
+    KeyedVector<AString, size_t> mTypes;
+
+    MediaCodecList();
+    ~MediaCodecList();
+
+    status_t initCheck() const;
+    void parseXMLFile(FILE *file);
+
+    static void StartElementHandlerWrapper(
+            void *me, const char *name, const char **attrs);
+
+    static void EndElementHandlerWrapper(void *me, const char *name);
+
+    void startElementHandler(const char *name, const char **attrs);
+    void endElementHandler(const char *name);
+
+    status_t addMediaCodecFromAttributes(bool encoder, const char **attrs);
+    void addMediaCodec(bool encoder, const char *name, const char *type = NULL);
+
+    status_t addQuirk(const char **attrs);
+    status_t addTypeFromAttributes(const char **attrs);
+    void addType(const char *name);
+
+    DISALLOW_EVIL_CONSTRUCTORS(MediaCodecList);
+};
+
+}  // namespace android
+
+#endif  // MEDIA_CODEC_LIST_H_
+