C++ (Cpp) startCameraRecording示例

示例#1

文件： CameraSource.cpp 项目： IOAP/android_frameworks_av

status_t CameraSource::start(MetaData *meta) {
    ALOGV("start");
    CHECK(!mStarted);
    if (mInitCheck != OK) {
        ALOGE("CameraSource is not initialized yet");
        return mInitCheck;
    }

    char value[PROPERTY_VALUE_MAX];
    if (property_get("media.stagefright.record-stats", value, NULL)
        && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
        mCollectStats = true;
    }

    mStartTimeUs = 0;
    mNumInputBuffers = 0;
    if (meta) {
        int64_t startTimeUs;
        if (meta->findInt64(kKeyTime, &startTimeUs)) {
            mStartTimeUs = startTimeUs;
        }

        int32_t nBuffers;
        if (meta->findInt32(kKeyNumBuffers, &nBuffers)) {
            CHECK_GT(nBuffers, 0);
            mNumInputBuffers = nBuffers;
        }
    }

    startCameraRecording();

    mStarted = true;
    return OK;
}

示例#2

文件： CameraSource.cpp 项目： TeamEOS/frameworks_av

status_t CameraSource::start(MetaData *meta) {
    ALOGV("start");
    CHECK(!mStarted);
    if (mInitCheck != OK) {
        ALOGE("CameraSource is not initialized yet");
        return mInitCheck;
    }

    char value[PROPERTY_VALUE_MAX];
    if (property_get("media.stagefright.record-stats", value, NULL)
        && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
        mCollectStats = true;
    }

    mStartTimeUs = 0;
    mNumInputBuffers = 0;
    mEncoderFormat = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
    mEncoderDataSpace = HAL_DATASPACE_BT709;

    if (meta) {
        int64_t startTimeUs;
        if (meta->findInt64(kKeyTime, &startTimeUs)) {
            mStartTimeUs = startTimeUs;
        }

        int32_t nBuffers;
        if (meta->findInt32(kKeyNumBuffers, &nBuffers)) {
            CHECK_GT(nBuffers, 0);
            mNumInputBuffers = nBuffers;
        }

        // apply encoder color format if specified
        if (meta->findInt32(kKeyPixelFormat, &mEncoderFormat)) {
            ALOGV("Using encoder format: %#x", mEncoderFormat);
        }
        if (meta->findInt32(kKeyColorSpace, &mEncoderDataSpace)) {
            ALOGV("Using encoder data space: %#x", mEncoderDataSpace);
        }
    }

    status_t err;
    if ((err = startCameraRecording()) == OK) {
        mStarted = true;
    }

    return err;
}

示例#3

文件： CameraSource.cpp 项目： Hikari-no-Tenshi/android_frameworks_av--FIX_CAMERA

status_t CameraSource::start(MetaData *meta) {
    ALOGV("start");
    CHECK(!mStarted);
    if (mInitCheck != OK) {
        ALOGE("CameraSource is not initialized yet");
        return mInitCheck;
    }

    char value[PROPERTY_VALUE_MAX];
    if (property_get("media.stagefright.record-stats", value, NULL)
            && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
        mCollectStats = true;
    }

    mStartTimeUs = 0;
    mNumInputBuffers = 0;
    if (meta) {
        int64_t startTimeUs;
        if (meta->findInt64(kKeyTime, &startTimeUs)) {
            mStartTimeUs = startTimeUs;
        }

        int32_t nBuffers;
        if (meta->findInt32(kKeyNumBuffers, &nBuffers)) {
            CHECK_GT(nBuffers, 0);
            mNumInputBuffers = nBuffers;
        }
    }

#ifdef MTK_AOSP_ENHANCEMENT//do not drop frame after start 
    // Need Refine: check whether need,
    //may be camera start send frame before startCameraReording  return
    //mStarted = true;
#endif

    status_t err;
    if ((err = startCameraRecording()) == OK) {
        mStarted = true;
    }


#ifdef MTK_AOSP_ENHANCEMENT
    ALOGI("startCameraRecording return=%d",err);
#endif

    return err;
}