src/gallium/state_trackers/va/picture_h264.c

   1  /**************************************************************************
   2  *
   3  * Copyright 2010 Thomas Balling Sørensen & Orasanu Lucian.
   4  * Copyright 2014 Advanced Micro Devices, Inc.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #include "util/u_video.h"
  30 #include "va_private.h"
  31
  32 void vlVaHandlePictureParameterBufferH264(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
  33 {
  34    VAPictureParameterBufferH264 *h264 = buf->data;
  35
  36    assert(buf->size >= sizeof(VAPictureParameterBufferH264) && buf->num_elements == 1);
  37    /*CurrPic*/
  38    context->desc.h264.field_order_cnt[0] = h264->CurrPic.TopFieldOrderCnt;
  39    context->desc.h264.field_order_cnt[1] = h264->CurrPic.BottomFieldOrderCnt;
  40    /*ReferenceFrames[16]*/
  41    /*picture_width_in_mbs_minus1*/
  42    /*picture_height_in_mbs_minus1*/
  43    /*bit_depth_luma_minus8*/
  44    /*bit_depth_chroma_minus8*/
  45    context->desc.h264.num_ref_frames = h264->num_ref_frames;
  46    /*chroma_format_idc*/
  47    /*residual_colour_transform_flag*/
  48    /*gaps_in_frame_num_value_allowed_flag*/
  49    context->desc.h264.pps->sps->frame_mbs_only_flag =
  50       h264->seq_fields.bits.frame_mbs_only_flag;
  51    context->desc.h264.pps->sps->mb_adaptive_frame_field_flag =
  52       h264->seq_fields.bits.mb_adaptive_frame_field_flag;
  53    context->desc.h264.pps->sps->direct_8x8_inference_flag =
  54       h264->seq_fields.bits.direct_8x8_inference_flag;
  55    /*MinLumaBiPredSize8x8*/
  56    context->desc.h264.pps->sps->log2_max_frame_num_minus4 =
  57       h264->seq_fields.bits.log2_max_frame_num_minus4;
  58    context->desc.h264.pps->sps->pic_order_cnt_type =
  59       h264->seq_fields.bits.pic_order_cnt_type;
  60    context->desc.h264.pps->sps->log2_max_pic_order_cnt_lsb_minus4 =
  61       h264->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4;
  62    context->desc.h264.pps->sps->delta_pic_order_always_zero_flag =
  63       h264->seq_fields.bits.delta_pic_order_always_zero_flag;
  64    /*num_slice_groups_minus1*/
  65    /*slice_group_map_type*/
  66    /*slice_group_change_rate_minus1*/
  67    context->desc.h264.pps->pic_init_qp_minus26 =
  68       h264->pic_init_qp_minus26;
  69    /*pic_init_qs_minus26*/
  70    context->desc.h264.pps->chroma_qp_index_offset =
  71       h264->chroma_qp_index_offset;
  72    context->desc.h264.pps->second_chroma_qp_index_offset =
  73       h264->second_chroma_qp_index_offset;
  74    context->desc.h264.pps->entropy_coding_mode_flag =
  75       h264->pic_fields.bits.entropy_coding_mode_flag;
  76    context->desc.h264.pps->weighted_pred_flag =
  77       h264->pic_fields.bits.weighted_pred_flag;
  78    context->desc.h264.pps->weighted_bipred_idc =
  79       h264->pic_fields.bits.weighted_bipred_idc;
  80    context->desc.h264.pps->transform_8x8_mode_flag =
  81       h264->pic_fields.bits.transform_8x8_mode_flag;
  82    context->desc.h264.field_pic_flag =
  83       h264->pic_fields.bits.field_pic_flag;
  84    context->desc.h264.pps->constrained_intra_pred_flag =
  85       h264->pic_fields.bits.constrained_intra_pred_flag;
  86    context->desc.h264.pps->bottom_field_pic_order_in_frame_present_flag =
  87       h264->pic_fields.bits.pic_order_present_flag;
  88    context->desc.h264.pps->deblocking_filter_control_present_flag =
  89       h264->pic_fields.bits.deblocking_filter_control_present_flag;
  90    context->desc.h264.pps->redundant_pic_cnt_present_flag =
  91       h264->pic_fields.bits.redundant_pic_cnt_present_flag;
  92    /*reference_pic_flag*/
  93    context->desc.h264.frame_num = h264->frame_num;
  94
  95    if (!context->decoder && context->desc.h264.num_ref_frames > 0)
  96       context->templat.max_references = MIN2(context->desc.h264.num_ref_frames, 16);
  97 }
  98
  99 void vlVaHandleIQMatrixBufferH264(vlVaContext *context, vlVaBuffer *buf)
 100 {
 101    VAIQMatrixBufferH264 *h264 = buf->data;
 102
 103    assert(buf->size >= sizeof(VAIQMatrixBufferH264) && buf->num_elements == 1);
 104    memcpy(&context->desc.h264.pps->ScalingList4x4, h264->ScalingList4x4, 6 * 16);
 105    memcpy(&context->desc.h264.pps->ScalingList8x8, h264->ScalingList8x8, 2 * 64);
 106 }
 107
 108 void vlVaHandleSliceParameterBufferH264(vlVaContext *context, vlVaBuffer *buf)
 109 {
 110    VASliceParameterBufferH264 *h264 = buf->data;
 111
 112    assert(buf->size >= sizeof(VASliceParameterBufferH264) && buf->num_elements == 1);
 113    context->desc.h264.num_ref_idx_l0_active_minus1 =
 114       h264->num_ref_idx_l0_active_minus1;
 115    context->desc.h264.num_ref_idx_l1_active_minus1 =
 116       h264->num_ref_idx_l1_active_minus1;
 117 }