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C++ sp类代码示例

本文整理汇总了C++中sp类的典型用法代码示例。如果您正苦于以下问题：C++ sp类的具体用法？C++ sp怎么用？C++ sp使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了sp类的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: c_plus_plus_grabPartialWakeLock

namespace android {
#define ANDROID_WAKE_LOCK_NAME "libcodec_audio"

static sp<IPowerManager>   gPowerManager;
static  sp<IBinder>        gWakeLockToken;

extern "C" void c_plus_plus_grabPartialWakeLock();
extern "C" void c_plus_plus_releaseWakeLock();


void c_plus_plus_releaseWakeLock() 
{
    if (gWakeLockToken != 0) {
        ALOGV("releaseWakeLock_l() %s", ANDROID_WAKE_LOCK_NAME);
        if (gPowerManager != 0) {
            gPowerManager->releaseWakeLock(gWakeLockToken, 0);
        }
        gWakeLockToken.clear();
    }
}



void c_plus_plus_grabPartialWakeLock() 
{
    if (gPowerManager == 0) {
        // use checkService() to avoid blocking if power service is not up yet
        sp<IBinder> binder =
            defaultServiceManager()->checkService(String16("power"));
        if (binder == 0) {
            ALOGW("Thread %s cannot connect to the power manager service", ANDROID_WAKE_LOCK_NAME);
        } else {
            gPowerManager = interface_cast<IPowerManager>(binder);

        class PMDeathRecipient : public IBinder::DeathRecipient {
        public:
                        PMDeathRecipient()  {}
            virtual     ~PMDeathRecipient() {}

            // IBinder::DeathRecipient
            virtual void  binderDied(const wp<IBinder>& who){
    				c_plus_plus_releaseWakeLock();
				gPowerManager.clear();
    				ALOGW("power manager service died !!!");
			  }

        private:
                        PMDeathRecipient(const PMDeathRecipient&);
                        PMDeathRecipient& operator = (const PMDeathRecipient&);
        };

        sp<IBinder::DeathRecipient> mDeathObserver = new PMDeathRecipient();

        binder->linkToDeath(mDeathObserver);
        }
    }
    if (gPowerManager != 0) {
        sp<IBinder> binder = new BBinder();
        status_t status = gPowerManager->acquireWakeLock(POWERMANAGER_PARTIAL_WAKE_LOCK,
                                                         binder,
                                                         String16(ANDROID_WAKE_LOCK_NAME),
                                                         String16(ANDROID_WAKE_LOCK_NAME));
        if (status == NO_ERROR) {
            gWakeLockToken = binder;
        }
        ALOGV("acquireWakeLock_l() %s status %d", ANDROID_WAKE_LOCK_NAME, status);
    }
        ALOGV("acquireWakeLock_l() 1");
}


}
开发者ID:ernest0vm，项目名称:a33_android4.4_device_hp_polaris-common，代码行数:72，代码来源:wakelock.cpp

示例2: free_heap

 static inline void free_heap(const sp<IBinder>& binder) {
     gHeapCache->free_heap(binder);
 }
开发者ID:debian-pkg-android-tools，项目名称:android-platform-frameworks-native，代码行数:3，代码来源:IMemory.cpp

示例3: get_heap

 static inline sp<IMemoryHeap> get_heap(const sp<IBinder>& binder) {
     return gHeapCache->get_heap(binder);
 }
开发者ID:debian-pkg-android-tools，项目名称:android-platform-frameworks-native，代码行数:3，代码来源:IMemory.cpp

示例4: HeapCache

namespace android {
// ---------------------------------------------------------------------------

class HeapCache : public IBinder::DeathRecipient
{
public:
    HeapCache();
    virtual ~HeapCache();

    virtual void binderDied(const wp<IBinder>& who);

    sp<IMemoryHeap> find_heap(const sp<IBinder>& binder);
    void free_heap(const sp<IBinder>& binder);
    sp<IMemoryHeap> get_heap(const sp<IBinder>& binder);
    void dump_heaps();

private:
    // For IMemory.cpp
    struct heap_info_t {
        sp<IMemoryHeap> heap;
        int32_t         count;
    };

    void free_heap(const wp<IBinder>& binder);

    Mutex mHeapCacheLock;
    KeyedVector< wp<IBinder>, heap_info_t > mHeapCache;
};

static sp<HeapCache> gHeapCache = new HeapCache();

/******************************************************************************/

enum {
    HEAP_ID = IBinder::FIRST_CALL_TRANSACTION
};

class BpMemoryHeap : public BpInterface<IMemoryHeap>
{
public:
    BpMemoryHeap(const sp<IBinder>& impl);
    virtual ~BpMemoryHeap();

    virtual int getHeapID() const;
    virtual void* getBase() const;
    virtual size_t getSize() const;
    virtual uint32_t getFlags() const;
    virtual uint32_t getOffset() const;

private:
    friend class IMemory;
    friend class HeapCache;

    // for debugging in this module
    static inline sp<IMemoryHeap> find_heap(const sp<IBinder>& binder) {
        return gHeapCache->find_heap(binder);
    }
    static inline void free_heap(const sp<IBinder>& binder) {
        gHeapCache->free_heap(binder);
    }
    static inline sp<IMemoryHeap> get_heap(const sp<IBinder>& binder) {
        return gHeapCache->get_heap(binder);
    }
    static inline void dump_heaps() {
        gHeapCache->dump_heaps();
    }

    void assertMapped() const;
    void assertReallyMapped() const;

    mutable volatile int32_t mHeapId;
    mutable void*       mBase;
    mutable size_t      mSize;
    mutable uint32_t    mFlags;
    mutable uint32_t    mOffset;
    mutable bool        mRealHeap;
    mutable Mutex       mLock;
};

// ----------------------------------------------------------------------------

enum {
    GET_MEMORY = IBinder::FIRST_CALL_TRANSACTION
};

class BpMemory : public BpInterface<IMemory>
{
public:
    BpMemory(const sp<IBinder>& impl);
    virtual ~BpMemory();
    virtual sp<IMemoryHeap> getMemory(ssize_t* offset=0, size_t* size=0) const;

private:
    mutable sp<IMemoryHeap> mHeap;
    mutable ssize_t mOffset;
    mutable size_t mSize;
};

/******************************************************************************/

//.........这里部分代码省略.........
开发者ID:debian-pkg-android-tools，项目名称:android-platform-frameworks-native，代码行数:101，代码来源:IMemory.cpp

示例5: CHECK

//audio
status_t FFMPEGSoftCodec::setRawAudioFormat(
        const sp<AMessage> &msg, sp<IOMX> OMXhandle, IOMX::node_id nodeID)
{
    int32_t numChannels = 0;
    int32_t sampleRate = 0;
    int32_t bitsPerSample = 0;

    CHECK(msg->findInt32(ExtendedCodec::getMsgKey(kKeyChannelCount), &numChannels));
    CHECK(msg->findInt32(ExtendedCodec::getMsgKey(kKeySampleRate), &sampleRate));
    if (!msg->findInt32(ExtendedCodec::getMsgKey(kKeyBitsPerSample), &bitsPerSample)) {
        ALOGD("No PCM format specified, let decoder decide");
    }

    OMX_PARAM_PORTDEFINITIONTYPE def;
    InitOMXParams(&def);
    def.nPortIndex = kPortIndexOutput;

    status_t err = OMXhandle->getParameter(
            nodeID, OMX_IndexParamPortDefinition, &def, sizeof(def));

    if (err != OK) {
        return err;
    }

    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;

    err = OMXhandle->setParameter(
            nodeID, OMX_IndexParamPortDefinition, &def, sizeof(def));

    if (err != OK) {
        return err;
    }

    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
    InitOMXParams(&pcmParams);
    pcmParams.nPortIndex = kPortIndexOutput;

    err = OMXhandle->getParameter(
            nodeID, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));

    if (err != OK) {
        return err;
    }

    pcmParams.nChannels = numChannels;
    pcmParams.eNumData = OMX_NumericalDataSigned;
    pcmParams.bInterleaved = OMX_TRUE;
    if (bitsPerSample > 0) {
        pcmParams.nBitPerSample = bitsPerSample;
    }
    pcmParams.nSamplingRate = sampleRate;
    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;

    if (getOMXChannelMapping(numChannels, pcmParams.eChannelMapping) != OK) {
        return OMX_ErrorNone;
    }

    err = OMXhandle->setParameter(
            nodeID, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));

    if (err != OK) {
        return err;
    }

    msg->setInt32("bits-per-sample", pcmParams.nBitPerSample);

    return OK;
}
开发者ID:SiliconAcid，项目名称:android_frameworks_av，代码行数:69，代码来源:FFMPEGSoftCodec.cpp

示例6: setSupportedRole

status_t FFMPEGSoftCodec::setSupportedRole(
        const sp<IOMX> &omx, IOMX::node_id node,
        bool isEncoder, const char *mime) {

    ALOGV("setSupportedRole Called %s", mime);

    struct MimeToRole {
        const char *mime;
        const char *decoderRole;
        const char *encoderRole;
    };

    static const MimeToRole kFFMPEGMimeToRole[] = {
        { MEDIA_MIMETYPE_AUDIO_AAC,
          "audio_decoder.aac", NULL },
        { MEDIA_MIMETYPE_AUDIO_MPEG,
          "audio_decoder.mp3", NULL },
        { MEDIA_MIMETYPE_AUDIO_VORBIS,
          "audio_decoder.vorbis", NULL },
        { MEDIA_MIMETYPE_AUDIO_WMA,
          "audio_decoder.wma", NULL },
        { MEDIA_MIMETYPE_AUDIO_RA,
          "audio_decoder.ra" , NULL },
        { MEDIA_MIMETYPE_AUDIO_FLAC,
          "audio_decoder.flac", NULL },
        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II,
          "audio_decoder.mp2", NULL },
        { MEDIA_MIMETYPE_AUDIO_AC3,
          "audio_decoder.ac3", NULL },
        { MEDIA_MIMETYPE_AUDIO_APE,
          "audio_decoder.ape", NULL },
        { MEDIA_MIMETYPE_AUDIO_DTS,
          "audio_decoder.dts", NULL },
        { MEDIA_MIMETYPE_VIDEO_MPEG2,
          "video_decoder.mpeg2", NULL },
        { MEDIA_MIMETYPE_VIDEO_DIVX,
          "video_decoder.divx", NULL },
        { MEDIA_MIMETYPE_VIDEO_DIVX4,
          "video_decoder.divx", NULL },
        { MEDIA_MIMETYPE_VIDEO_DIVX311,
          "video_decoder.divx", NULL },
        { MEDIA_MIMETYPE_VIDEO_WMV,
          "video_decoder.wmv",  NULL },
        { MEDIA_MIMETYPE_VIDEO_RV,
          "video_decoder.rv", NULL },
        { MEDIA_MIMETYPE_VIDEO_FLV1,
          "video_decoder.flv1", NULL },
        { MEDIA_MIMETYPE_VIDEO_HEVC,
          "video_decoder.hevc", NULL },
        { MEDIA_MIMETYPE_AUDIO_FFMPEG,
          "audio_decoder.trial", NULL },
        { MEDIA_MIMETYPE_VIDEO_FFMPEG,
          "video_decoder.trial", NULL },
        };
    static const size_t kNumMimeToRole =
                     sizeof(kFFMPEGMimeToRole) / sizeof(kFFMPEGMimeToRole[0]);

    size_t i;
    for (i = 0; i < kNumMimeToRole; ++i) {
        if (!strcasecmp(mime, kFFMPEGMimeToRole[i].mime)) {
            break;
        }
    }

    if (i == kNumMimeToRole) {
        return ERROR_UNSUPPORTED;
    }

    const char *role =
        isEncoder ? kFFMPEGMimeToRole[i].encoderRole
                  : kFFMPEGMimeToRole[i].decoderRole;

    if (role != NULL) {
        OMX_PARAM_COMPONENTROLETYPE roleParams;
        InitOMXParams(&roleParams);

        strncpy((char *)roleParams.cRole,
                role, OMX_MAX_STRINGNAME_SIZE - 1);

        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';

        status_t err = omx->setParameter(
                node, OMX_IndexParamStandardComponentRole,
                &roleParams, sizeof(roleParams));

        if (err != OK) {
            ALOGW("Failed to set standard component role '%s'.", role);
            return err;
        }
    }
    return OK;
}
开发者ID:SiliconAcid，项目名称:android_frameworks_av，代码行数:92，代码来源:FFMPEGSoftCodec.cpp

示例7: setAudioFormat

status_t FFMPEGSoftCodec::setAudioFormat(
        const sp<AMessage> &msg, const char* mime, sp<IOMX> OMXhandle,
        IOMX::node_id nodeID, bool isEncoder ) {
    ALOGV("setAudioFormat called");
    status_t err = OK;

    if (isEncoder) {
        ALOGE("Encoding not supported");
        err = BAD_VALUE;

    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_WMA, mime))  {
        err = setWMAFormat(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setWMAFormat() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_VORBIS, mime))  {
        err = setVORBISFormat(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setVORBISFormat() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_RA, mime))  {
        err = setRAFormat(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setRAFormat() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_FLAC, mime))  {
        err = setFLACFormat(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setFLACFormat() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II, mime))  {
        err = setMP2Format(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setMP2Format() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AC3, mime)) {
        err = setAC3Format(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setAC3Format() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_APE, mime))  {
        err = setAPEFormat(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setAPEFormat() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_DTS, mime))  {
        err = setDTSFormat(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setDTSFormat() failed (err = %d)", err);
        }
    } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_FFMPEG, mime))  {
        err = setFFmpegAudioFormat(msg, OMXhandle, nodeID);
        if (err != OK) {
            ALOGE("setFFmpegAudioFormat() failed (err = %d)", err);
        }
    }

    ALOGV("setAudioFormat: %s", msg->debugString(0).c_str());

    return err;
}
开发者ID:SiliconAcid，项目名称:android_frameworks_av，代码行数:61，代码来源:FFMPEGSoftCodec.cpp

示例8: binderDied

            // IBinder::DeathRecipient
            virtual void  binderDied(const wp<IBinder>& who){
    				c_plus_plus_releaseWakeLock();
				gPowerManager.clear();
    				ALOGW("power manager service died !!!");
			  }
开发者ID:ernest0vm，项目名称:a33_android4.4_device_hp_polaris-common，代码行数:6，代码来源:wakelock.cpp

示例9: 

 static inline void dump_heaps() {
     gHeapCache->dump_heaps();
 }
开发者ID:debian-pkg-android-tools，项目名称:android-platform-frameworks-native，代码行数:3，代码来源:IMemory.cpp


注：本文中的sp类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。