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/*
* 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_
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