C++ (Cpp) VideoBufferInfo::init Examples

Example #1

File: cl_demosaic_handler.cpp Project: timehold/libxcam

XCamReturn
CLBayer2RGBImageHandler::prepare_buffer_pool_video_info (
    const VideoBufferInfo &input,
    VideoBufferInfo &output)
{
    bool format_inited = output.init (_output_format, input.width, input.height);

    XCAM_FAIL_RETURN (
        WARNING,
        format_inited,
        XCAM_RETURN_ERROR_PARAM,
        "CL image handler(%s) ouput format(%s) unsupported",
        get_name (), xcam_fourcc_to_string (_output_format));

    return XCAM_RETURN_NO_ERROR;
}

Example #2

File: cl_bayer_basic_handler.cpp Project: liuyinhangx/libxcam

XCamReturn
CLBayerBasicImageHandler::prepare_buffer_pool_video_info (
    const VideoBufferInfo &input,
    VideoBufferInfo &output)
{
    uint32_t format = XCAM_PIX_FMT_SGRBG16_planar;
    bool format_inited = output.init (format, input.width / 2 , input.height / 2);

    XCAM_FAIL_RETURN (
        WARNING,
        format_inited,
        XCAM_RETURN_ERROR_PARAM,
        "CL image handler(%s) output format(%s) unsupported",
        get_name (), xcam_fourcc_to_string (format));

    return XCAM_RETURN_NO_ERROR;
}

Example #3

File: fake_poll_thread.cpp Project: ximenjx/libxcam

XCamReturn
FakePollThread::init_buffer_pool ()
{
    struct v4l2_format format;
    if (!_capture_dev.ptr () ||
            _capture_dev->get_format (format) != XCAM_RETURN_NO_ERROR) {
        XCAM_LOG_ERROR ("Can't init buffer pool without format");
        return XCAM_RETURN_ERROR_PARAM;
    }
    VideoBufferInfo info;
    info.init(format.fmt.pix.pixelformat,
              format.fmt.pix.width,
              format.fmt.pix.height, 0, 0, 0);
#if HAVE_LIBDRM
    SmartPtr<DrmDisplay> drm_disp = DrmDisplay::instance ();
    _buf_pool = new DrmBoBufferPool (drm_disp);
    XCAM_ASSERT (_buf_pool.ptr ());

    if (_buf_pool->set_video_info (info) && _buf_pool->reserve (DEFAULT_FPT_BUF_COUNT))
        return XCAM_RETURN_NO_ERROR;
#endif

    return XCAM_RETURN_ERROR_MEM;
}

Example #4

File: test-surround-view.cpp Project: liuyinhangx/libxcam

XCamReturn
SVStream::create_buf_pool (uint32_t reserve_count)
{
    XCAM_ASSERT (get_width () && get_height ());
    XCAM_FAIL_RETURN (
        ERROR, _module != SVModuleNone, XCAM_RETURN_ERROR_PARAM,
        "invalid module, please set module first");

    VideoBufferInfo info;
    info.init (V4L2_PIX_FMT_NV12, get_width (), get_height ());

    SmartPtr<BufferPool> pool;
    if (_module == SVModuleSoft) {
        pool = new SoftVideoBufAllocator (info);
    } else if (_module == SVModuleGLES) {
#if HAVE_GLES
        pool = new GLVideoBufferPool (info);
#endif
    } else if (_module == SVModuleVulkan) {
#if HAVE_VULKAN
        XCAM_ASSERT (_vk_dev.ptr ());
        pool = create_vk_buffer_pool (_vk_dev);
        XCAM_ASSERT (pool.ptr ());
        pool->set_video_info (info);
#endif
    }
    XCAM_ASSERT (pool.ptr ());

    if (!pool->reserve (reserve_count)) {
        XCAM_LOG_ERROR ("create buffer pool failed");
        return XCAM_RETURN_ERROR_MEM;
    }

    set_buf_pool (pool);
    return XCAM_RETURN_NO_ERROR;
}

Example #5

File: aiq_wrapper.cpp Project: hikohong/libxcam

bool
XCam3AAiqContext::setup_stats_pool (uint32_t bit_depth)
{
    VideoBufferInfo info;
    info.init (XCAM_PIX_FMT_SGRBG16, _video_width, _video_height);

    _stats_pool = new X3aStatisticsQueue;
    XCAM_ASSERT (_stats_pool.ptr ());

    _stats_pool->set_bit_depth (bit_depth);
    XCAM_FAIL_RETURN (
        WARNING,
        _stats_pool->set_video_info (info),
        false,
        "3a stats set video info failed");


    if (!_stats_pool->reserve (6)) {
        XCAM_LOG_WARNING ("init_3a_stats_pool failed to reserve stats buffer.");
        return false;
    }

    return true;
}