C++ (Cpp) GraphicBuffer::getPixelFormat Examples

Example #1

File: android_media_ImageWriter.cpp Project: 020gzh/platform_frameworks_base

static void Image_unlockIfLocked(JNIEnv* env, jobject thiz) {
    ALOGV("%s", __FUNCTION__);
    GraphicBuffer* buffer;
    Image_getNativeContext(env, thiz, &buffer, NULL);
    if (buffer == NULL) {
        jniThrowException(env, "java/lang/IllegalStateException",
                "Image is not initialized");
        return;
    }

    // Is locked?
    bool isLocked = false;
    jobject planes = NULL;
    if (!isFormatOpaque(buffer->getPixelFormat())) {
        planes = env->GetObjectField(thiz, gSurfaceImageClassInfo.mPlanes);
    }
    isLocked = (planes != NULL);
    if (isLocked) {
        // no need to use fence here, as we it will be consumed by either cancel or queue buffer.
        status_t res = buffer->unlock();
        if (res != OK) {
            jniThrowRuntimeException(env, "unlock buffer failed");
        }
        ALOGV("Successfully unlocked the image");
    }
}

Example #2

File: android_media_ImageWriter.cpp Project: 020gzh/platform_frameworks_base

static jint Image_getFormat(JNIEnv* env, jobject thiz) {
    ALOGV("%s", __FUNCTION__);
    GraphicBuffer* buffer;
    Image_getNativeContext(env, thiz, &buffer, NULL);
    if (buffer == NULL) {
        jniThrowException(env, "java/lang/IllegalStateException",
                "Image is not initialized");
        return 0;
    }

    return Image_getPixelFormat(env, buffer->getPixelFormat());
}

Example #3

File: Noodleland.cpp Project: djg/noodleland

static GraphicBuffer*
create_composible_buffer(int width, int height) {
    uint32_t bufferFlags = GraphicBuffer::USAGE_SW_WRITE_RARELY | GraphicBuffer::USAGE_HW_COMPOSER;
    GraphicBuffer* buffer = new GraphicBuffer(width, height, PIXEL_FORMAT_RGBA_8888, bufferFlags);

    status_t err = buffer->initCheck();
    if (err) {
        LOGE("error creating GraphicBuffer: %s", strerror(-err));
        return NULL;
    }

    Rect rect = buffer->getBounds();
    LOGE("GraphicBuffer information");
    LOGE("width : %d", buffer->getWidth());
    LOGE("height: %d", buffer->getHeight());
    LOGE("stride: %d", buffer->getStride());
    LOGE("usage : 0x%08x", buffer->getUsage());
    LOGE("format: %d", buffer->getPixelFormat());
    LOGE("bounds: (%d,%d) - (%d,%d)", rect.left, rect.top, rect.right, rect.bottom);

    return buffer;
}

Example #4

File: android_hardware_HardwareBuffer.cpp Project: AlanCheen/platform_frameworks_base

static jint android_hardware_HardwareBuffer_getFormat(JNIEnv* env,
    jobject clazz, jlong nativeObject) {
    GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject);
    return static_cast<jint>(android_hardware_HardwareBuffer_convertFromPixelFormat(
            buffer->getPixelFormat()));
}