/*
 * Copyright (c) 2016 Florent Revest, <florent.revest@free-electrons.com>
 *               2007 Intel Corporation. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "sunxi_cedrus_drv_video.h"
#include "mpeg2.h"

#include <assert.h>
#include <string.h>

#include <sys/mman.h>
#include <sys/ioctl.h>

#include <linux/videodev2.h>

/*
 * This file takes care of filling v4l2's frame API MPEG2 headers extended
 * controls from VA's data structures.
 */

VAStatus sunxi_cedrus_render_mpeg2_slice_data(VADriverContextP ctx,
		object_context_p obj_context, object_surface_p obj_surface,
		object_buffer_p obj_buffer)
{
	INIT_DRIVER_DATA
	VAStatus vaStatus = VA_STATUS_SUCCESS;
	struct v4l2_buffer buf;
	struct v4l2_plane plane[1];


	return vaStatus;
}

VAStatus sunxi_cedrus_render_mpeg2_picture_parameter(VADriverContextP ctx,
		object_context_p obj_context, object_surface_p obj_surface,
		object_buffer_p obj_buffer)
{
	INIT_DRIVER_DATA
	VAStatus vaStatus = VA_STATUS_SUCCESS;

	VAPictureParameterBufferMPEG2 *pic_param = (VAPictureParameterBufferMPEG2 *)obj_buffer->buffer_data;
	obj_context->mpeg2_frame_hdr.type = MPEG2;

	obj_context->mpeg2_frame_hdr.width = pic_param->horizontal_size;
	obj_context->mpeg2_frame_hdr.height = pic_param->vertical_size;

	obj_context->mpeg2_frame_hdr.picture_coding_type = pic_param->picture_coding_type;
	obj_context->mpeg2_frame_hdr.f_code[0][0] = (pic_param->f_code >> 12) & 0xf;
	obj_context->mpeg2_frame_hdr.f_code[0][1] = (pic_param->f_code >>  8) & 0xf;
	obj_context->mpeg2_frame_hdr.f_code[1][0] = (pic_param->f_code >>  4) & 0xf;
	obj_context->mpeg2_frame_hdr.f_code[1][1] = pic_param->f_code & 0xf;

	obj_context->mpeg2_frame_hdr.intra_dc_precision = pic_param->picture_coding_extension.bits.intra_dc_precision;
	obj_context->mpeg2_frame_hdr.picture_structure = pic_param->picture_coding_extension.bits.picture_structure;
	obj_context->mpeg2_frame_hdr.top_field_first = pic_param->picture_coding_extension.bits.top_field_first;
	obj_context->mpeg2_frame_hdr.frame_pred_frame_dct = pic_param->picture_coding_extension.bits.frame_pred_frame_dct;
	obj_context->mpeg2_frame_hdr.concealment_motion_vectors = pic_param->picture_coding_extension.bits.concealment_motion_vectors;
	obj_context->mpeg2_frame_hdr.q_scale_type = pic_param->picture_coding_extension.bits.q_scale_type;
	obj_context->mpeg2_frame_hdr.intra_vlc_format = pic_param->picture_coding_extension.bits.intra_vlc_format;
	obj_context->mpeg2_frame_hdr.alternate_scan = pic_param->picture_coding_extension.bits.alternate_scan;

	object_surface_p fwd_surface = SURFACE(pic_param->forward_reference_picture);
	if(fwd_surface)
		obj_context->mpeg2_frame_hdr.forward_index = fwd_surface->output_buf_index;
	else
		obj_context->mpeg2_frame_hdr.forward_index = obj_surface->output_buf_index;

	object_surface_p bwd_surface = SURFACE(pic_param->backward_reference_picture);
	if(bwd_surface)
		obj_context->mpeg2_frame_hdr.backward_index = bwd_surface->output_buf_index;
	else
		obj_context->mpeg2_frame_hdr.backward_index = obj_surface->output_buf_index;

	return vaStatus;
}