Maxime Ripard
89 lines
3.8 KiB
C
89 lines
3.8 KiB
C
/*
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* Copyright (c) 2016 Florent Revest, <florent.revest@free-electrons.com>
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* 2007 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "sunxi_cedrus.h"
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#include "mpeg2.h"
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#include <assert.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <linux/videodev2.h>
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#include "v4l2.h"
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int mpeg2_set_controls(struct sunxi_cedrus_driver_data *driver_data,
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struct object_surface *surface_object)
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{
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VAPictureParameterBufferMPEG2 *parameters = &surface_object->params.mpeg2.picture;
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struct v4l2_ctrl_mpeg2_slice_params slice_params;
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struct object_surface *forward_reference_surface;
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struct object_surface *backward_reference_surface;
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int rc;
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memset(&slice_params, 0, sizeof(slice_params));
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slice_params.width = surface_object->width;
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slice_params.height = surface_object->height;
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slice_params.slice_pos = 0;
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slice_params.slice_len = surface_object->slices_size * 8;
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slice_params.slice_type = parameters->picture_coding_type;
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slice_params.f_code[0][0] = (parameters->f_code >> 12) & 0x0f;
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slice_params.f_code[0][1] = (parameters->f_code >> 8) & 0x0f;
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slice_params.f_code[1][0] = (parameters->f_code >> 4) & 0x0f;
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slice_params.f_code[1][1] = (parameters->f_code >> 0) & 0x0f;
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slice_params.intra_dc_precision = parameters->picture_coding_extension.bits.intra_dc_precision;
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slice_params.picture_structure = parameters->picture_coding_extension.bits.picture_structure;
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slice_params.top_field_first = parameters->picture_coding_extension.bits.top_field_first;
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slice_params.frame_pred_frame_dct = parameters->picture_coding_extension.bits.frame_pred_frame_dct;
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slice_params.concealment_motion_vectors = parameters->picture_coding_extension.bits.concealment_motion_vectors;
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slice_params.q_scale_type = parameters->picture_coding_extension.bits.q_scale_type;
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slice_params.intra_vlc_format = parameters->picture_coding_extension.bits.intra_vlc_format;
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slice_params.alternate_scan = parameters->picture_coding_extension.bits.alternate_scan;
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forward_reference_surface = SURFACE(driver_data, parameters->forward_reference_picture);
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if (forward_reference_surface != NULL)
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slice_params.forward_ref_index = forward_reference_surface->destination_index;
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else
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slice_params.forward_ref_index = surface_object->destination_index;
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backward_reference_surface = SURFACE(driver_data, parameters->backward_reference_picture);
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if (backward_reference_surface != NULL)
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slice_params.backward_ref_index = backward_reference_surface->destination_index;
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else
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slice_params.backward_ref_index = surface_object->destination_index;
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rc = v4l2_set_control(driver_data->video_fd, surface_object->request_fd, V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS, &slice_params, sizeof(slice_params));
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if (rc < 0)
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return VA_STATUS_ERROR_OPERATION_FAILED;
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return 0;
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}
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