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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 <media/IMediaCodecList.h>
#include <media/IOMX.h>
#include <media/MediaCodecInfo.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/KeyedVector.h>
#include <utils/Vector.h>
#include <utils/StrongPointer.h>
namespace android {
extern const char *kMaxEncoderInputBuffers;
struct AMessage;
struct MediaCodecList : public BnMediaCodecList {
static sp<IMediaCodecList> getInstance();
virtual ssize_t findCodecByType(
const char *type, bool encoder, size_t startIndex = 0) const;
virtual ssize_t findCodecByName(const char *name) const;
virtual size_t countCodecs() const;
virtual sp<MediaCodecInfo> getCodecInfo(size_t index) const {
if (index >= mCodecInfos.size()) {
ALOGE("b/24445127");
return NULL;
}
return mCodecInfos.itemAt(index);
}
virtual const sp<AMessage> getGlobalSettings() const;
// to be used by MediaPlayerService alone
static sp<IMediaCodecList> getLocalInstance();
// only to be used by getLocalInstance
static void *profilerThreadWrapper(void * /*arg*/);
// only to be used by MediaPlayerService
void parseTopLevelXMLFile(const char *path, bool ignore_errors = false);
enum Flags {
kPreferSoftwareCodecs = 1,
kHardwareCodecsOnly = 2,
};
static void findMatchingCodecs(
const char *mime,
bool createEncoder,
uint32_t flags,
Vector<AString> *matching);
static uint32_t getQuirksFor(const char *mComponentName);
static bool isSoftwareCodec(const AString &componentName);
private:
class BinderDeathObserver : public IBinder::DeathRecipient {
void binderDied(const wp<IBinder> &the_late_who __unused);
};
static sp<BinderDeathObserver> sBinderDeathObserver;
enum Section {
SECTION_TOPLEVEL,
SECTION_SETTINGS,
SECTION_DECODERS,
SECTION_DECODER,
SECTION_DECODER_TYPE,
SECTION_ENCODERS,
SECTION_ENCODER,
SECTION_ENCODER_TYPE,
SECTION_INCLUDE,
};
static sp<IMediaCodecList> sCodecList;
static sp<IMediaCodecList> sRemoteList;
status_t mInitCheck;
Section mCurrentSection;
bool mUpdate;
Vector<Section> mPastSections;
int32_t mDepth;
AString mHrefBase;
sp<AMessage> mGlobalSettings;
KeyedVector<AString, CodecSettings> mOverrides;
Vector<sp<MediaCodecInfo> > mCodecInfos;
sp<MediaCodecInfo> mCurrentInfo;
sp<IOMX> mOMX;
MediaCodecList();
~MediaCodecList();
status_t initCheck() const;
void parseXMLFile(const char *path);
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 includeXMLFile(const char **attrs);
status_t addSettingFromAttributes(const char **attrs);
status_t addMediaCodecFromAttributes(bool encoder, const char **attrs);
void addMediaCodec(bool encoder, const char *name, const char *type = NULL);
void setCurrentCodecInfo(bool encoder, const char *name, const char *type);
status_t addQuirk(const char **attrs);
status_t addTypeFromAttributes(const char **attrs);
status_t addLimit(const char **attrs);
status_t addFeature(const char **attrs);
void addType(const char *name);
status_t initializeCapabilities(const char *type);
DISALLOW_EVIL_CONSTRUCTORS(MediaCodecList);
};
} // namespace android
#endif // MEDIA_CODEC_LIST_H_