1 files changed, 123 insertions, 0 deletions
diff --git a/include/media/MediaCodecInfo.h b/include/media/MediaCodecInfo.h
new file mode 100644
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--- /dev/null
+++ b/include/media/MediaCodecInfo.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2014, 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_INFO_H_
+
+#define MEDIA_CODEC_INFO_H_
+
+#include <binder/Parcel.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/RefBase.h>
+#include <utils/Vector.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+
+struct AMessage;
+struct Parcel;
+struct CodecCapabilities;
+
+struct MediaCodecInfo : public RefBase {
+    struct ProfileLevel {
+        uint32_t mProfile;
+        uint32_t mLevel;
+    };
+
+    struct Capabilities : public RefBase {
+        void getSupportedProfileLevels(Vector<ProfileLevel> *profileLevels) const;
+        void getSupportedColorFormats(Vector<uint32_t> *colorFormats) const;
+        uint32_t getFlags() const;
+        const sp<AMessage> getDetails() const;
+
+    private:
+        Vector<ProfileLevel> mProfileLevels;
+        Vector<uint32_t> mColorFormats;
+        uint32_t mFlags;
+        sp<AMessage> mDetails;
+
+        Capabilities();
+
+        // read object from parcel even if object creation fails
+        static sp<Capabilities> FromParcel(const Parcel &parcel);
+        status_t writeToParcel(Parcel *parcel) const;
+
+        DISALLOW_EVIL_CONSTRUCTORS(Capabilities);
+
+        friend class MediaCodecInfo;
+    };
+
+    bool isEncoder() const;
+    bool hasQuirk(const char *name) const;
+    void getSupportedMimes(Vector<AString> *mimes) const;
+    const sp<Capabilities> getCapabilitiesFor(const char *mime) const;
+    const char *getCodecName() const;
+
+    /**
+     * Serialization over Binder
+     */
+    static sp<MediaCodecInfo> FromParcel(const Parcel &parcel);
+    status_t writeToParcel(Parcel *parcel) const;
+
+private:
+    // variable set only in constructor - these are accessed by MediaCodecList
+    // to avoid duplication of same variables
+    AString mName;
+    bool mIsEncoder;
+    bool mHasSoleMime; // was initialized with mime
+
+    Vector<AString> mQuirks;
+    KeyedVector<AString, sp<Capabilities> > mCaps;
+
+    sp<Capabilities> mCurrentCaps; // currently initalized capabilities
+
+    ssize_t getCapabilityIndex(const char *mime) const;
+
+    /* Methods used by MediaCodecList to construct the info
+     * object from XML.
+     *
+     * After info object is created:
+     * - additional quirks can be added
+     * - additional mimes can be added
+     *   - OMX codec capabilities can be set for the current mime-type
+     *   - a capability detail can be set for the current mime-type
+     *   - a feature can be set for the current mime-type
+     *   - info object can be completed when parsing of a mime-type is done
+     */
+    MediaCodecInfo(AString name, bool encoder, const char *mime);
+    void addQuirk(const char *name);
+    status_t addMime(const char *mime);
+    status_t initializeCapabilities(const CodecCapabilities &caps);
+    void addDetail(const AString &key, const AString &value);
+    void addFeature(const AString &key, int32_t value);
+    void addFeature(const AString &key, const char *value);
+    void removeMime(const char *mime);
+    void complete();
+
+    DISALLOW_EVIL_CONSTRUCTORS(MediaCodecInfo);
+
+    friend class MediaCodecList;
+};
+
+}  // namespace android
+
+#endif  // MEDIA_CODEC_INFO_H_
+
+