/*
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* uvc_device.cpp - uvc device
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*
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* Copyright (c) 2014-2015 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Sameer Kibey <sameer.kibey@intel.com>
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*/
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#include "uvc_device.h"
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#include "v4l2_buffer_proxy.h"
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#include <linux/v4l2-subdev.h>
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namespace XCam {
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UVCDevice::UVCDevice (const char *name)
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: V4l2Device (name)
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{
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}
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UVCDevice::~UVCDevice ()
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{
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}
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XCamReturn
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UVCDevice::allocate_buffer (
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SmartPtr<V4l2Buffer> &buf,
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const struct v4l2_format &format,
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const uint32_t index)
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{
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#if HAVE_LIBDRM
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if (!_drm_disp.ptr()) {
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_drm_disp = DrmDisplay::instance ();
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}
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if (get_mem_type () == V4L2_MEMORY_DMABUF && _drm_disp.ptr () != NULL) {
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buf = _drm_disp->create_drm_buf (format, index, get_capture_buf_type ());
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if (!buf.ptr()) {
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XCAM_LOG_WARNING ("uvc device(%s) allocate buffer failed", XCAM_STR (get_device_name()));
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return XCAM_RETURN_ERROR_MEM;
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}
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return XCAM_RETURN_NO_ERROR;
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}
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#endif
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return V4l2Device::allocate_buffer (buf, format, index);
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}
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};
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