C++ (Cpp) checkFrameRate Exemples

Exemple #1

Fichier : CameraSource.cpp Projet : TeamEOS/frameworks_av

status_t CameraSource::initWithCameraAccess(
        const sp<ICamera>& camera,
        const sp<ICameraRecordingProxy>& proxy,
        int32_t cameraId,
        const String16& clientName,
        uid_t clientUid,
        Size videoSize,
        int32_t frameRate,
        bool storeMetaDataInVideoBuffers) {
    ALOGV("initWithCameraAccess");
    status_t err = OK;

    if ((err = isCameraAvailable(camera, proxy, cameraId,
            clientName, clientUid)) != OK) {
        ALOGE("Camera connection could not be established.");
        return err;
    }
    CameraParameters params(mCamera->getParameters());
    if ((err = isCameraColorFormatSupported(params)) != OK) {
        return err;
    }

    // Set the camera to use the requested video frame size
    // and/or frame rate.
    if ((err = configureCamera(&params,
                    videoSize.width, videoSize.height,
                    frameRate))) {
        return err;
    }

    // Check on video frame size and frame rate.
    CameraParameters newCameraParams(mCamera->getParameters());
    if ((err = checkVideoSize(newCameraParams,
                videoSize.width, videoSize.height)) != OK) {
        return err;
    }
    if ((err = checkFrameRate(newCameraParams, frameRate)) != OK) {
        return err;
    }

    // Set the preview display. Skip this if mSurface is null because
    // applications may already set a surface to the camera.
    if (mSurface != NULL) {
        // This CHECK is good, since we just passed the lock/unlock
        // check earlier by calling mCamera->setParameters().
        CHECK_EQ((status_t)OK, mCamera->setPreviewTarget(mSurface));
    }

    // By default, do not store metadata in video buffers
    mIsMetaDataStoredInVideoBuffers = false;
    mCamera->storeMetaDataInBuffers(false);
    if (storeMetaDataInVideoBuffers) {
        if (OK == mCamera->storeMetaDataInBuffers(true)) {
            mIsMetaDataStoredInVideoBuffers = true;
        }
    }

    int64_t glitchDurationUs = (1000000LL / mVideoFrameRate);
    if (glitchDurationUs > mGlitchDurationThresholdUs) {
        mGlitchDurationThresholdUs = glitchDurationUs;
    }

    // XXX: query camera for the stride and slice height
    // when the capability becomes available.
    mMeta = new MetaData;
    mMeta->setCString(kKeyMIMEType,  MEDIA_MIMETYPE_VIDEO_RAW);
    mMeta->setInt32(kKeyColorFormat, mColorFormat);
    mMeta->setInt32(kKeyWidth,       mVideoSize.width);
    mMeta->setInt32(kKeyHeight,      mVideoSize.height);
    mMeta->setInt32(kKeyStride,      mVideoSize.width);
    mMeta->setInt32(kKeySliceHeight, mVideoSize.height);
    mMeta->setInt32(kKeyFrameRate,   mVideoFrameRate);
    return OK;
}

Exemple #2

Fichier : CameraSource.cpp Projet : minicm4pico/android_frameworks_base

status_t CameraSource::initWithCameraAccess(
        const sp<ICamera>& camera,
        const sp<ICameraRecordingProxy>& proxy,
        int32_t cameraId,
        Size videoSize,
        int32_t frameRate,
        bool storeMetaDataInVideoBuffers) {
    LOGV("initWithCameraAccess");
    status_t err = OK;

    if ((err = isCameraAvailable(camera, proxy, cameraId)) != OK) {
        LOGE("Camera connection could not be established.");
        return err;
    }
    CameraParameters params(mCamera->getParameters());
    if ((err = isCameraColorFormatSupported(params)) != OK) {
        return err;
    }

    // Set the camera to use the requested video frame size
    // and/or frame rate.
    if ((err = configureCamera(&params,
                    videoSize.width, videoSize.height,
                    frameRate))) {
        return err;
    }

    // Check on video frame size and frame rate.
    CameraParameters newCameraParams(mCamera->getParameters());
    if ((err = checkVideoSize(newCameraParams,
                videoSize.width, videoSize.height)) != OK) {
        return err;
    }
    if ((err = checkFrameRate(newCameraParams, frameRate)) != OK) {
        return err;
    }

    // This CHECK is good, since we just passed the lock/unlock
    // check earlier by calling mCamera->setParameters().
    CHECK_EQ(OK, mCamera->setPreviewDisplay(mSurface));

    // By default, do not store metadata in video buffers
    mIsMetaDataStoredInVideoBuffers = false;
    mCamera->storeMetaDataInBuffers(false);
    if (storeMetaDataInVideoBuffers) {
        if (OK == mCamera->storeMetaDataInBuffers(true)) {
            mIsMetaDataStoredInVideoBuffers = true;
        }
    }

#ifdef QCOM_HARDWARE
    const char *hfr_str = params.get("video-hfr");
    int32_t hfr = -1;
    if ( hfr_str != NULL ) {
      hfr = atoi(hfr_str);
    }
    if(hfr < 0) {
      LOGW("Invalid hfr value(%d) set from app. Disabling HFR.", hfr);
      hfr = 0;
    }
#endif

    int64_t glitchDurationUs = (1000000LL / mVideoFrameRate);
    if (glitchDurationUs > mGlitchDurationThresholdUs) {
        mGlitchDurationThresholdUs = glitchDurationUs;
    }

    // XXX: query camera for the stride and slice height
    // when the capability becomes available.
#ifdef STE_HARDWARE
    int stride = newCameraParams.getInt(CameraParameters::KEY_RECORD_STRIDE);
    int sliceHeight = newCameraParams.getInt(CameraParameters::KEY_RECORD_SLICE_HEIGHT);
#endif

    mMeta = new MetaData;
    mMeta->setCString(kKeyMIMEType,  MEDIA_MIMETYPE_VIDEO_RAW);
    mMeta->setInt32(kKeyColorFormat, mColorFormat);
    mMeta->setInt32(kKeyWidth,       mVideoSize.width);
    mMeta->setInt32(kKeyHeight,      mVideoSize.height);
#ifndef STE_HARDWARE
    mMeta->setInt32(kKeyStride,      mVideoSize.width);
    mMeta->setInt32(kKeySliceHeight, mVideoSize.height);
#else
    mMeta->setInt32(kKeyStride,      stride != -1 ? stride : mVideoSize.width);
    mMeta->setInt32(kKeySliceHeight, sliceHeight != -1 ? sliceHeight : mVideoSize.height);
#endif
    mMeta->setInt32(kKeyFrameRate,   mVideoFrameRate);
#ifdef QCOM_HARDWARE
    mMeta->setInt32(kKeyHFR, hfr);
#endif
    return OK;
}