Files
libva-v4l2-request-fourier/src/mpeg2.c
T
Maxime Ripard f638dcce4c mpeg2: don't populate the frame anymore
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-04-20 10:29:56 +02:00

99 lines
4.1 KiB
C

/*
* 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;
}