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 
resetReferencePictureDesc(struct pipe_h264_picture_desc * h264,unsigned int i)32 static void resetReferencePictureDesc(struct pipe_h264_picture_desc *h264,
33                                       unsigned int i)
34 {
35    h264->ref[i] = NULL;
36    h264->frame_num_list[i] = 0;
37    h264->is_long_term[i] = 0;
38    h264->top_is_reference[i] = 0;
39    h264->bottom_is_reference[i] = 0;
40    h264->field_order_cnt_list[i][0] = 0;
41    h264->field_order_cnt_list[i][1] = 0;
42 }
43 
vlVaHandlePictureParameterBufferH264(vlVaDriver * drv,vlVaContext * context,vlVaBuffer * buf)44 void vlVaHandlePictureParameterBufferH264(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
45 {
46    VAPictureParameterBufferH264 *h264 = buf->data;
47    unsigned int top_or_bottom_field;
48    unsigned i;
49 
50    assert(buf->size >= sizeof(VAPictureParameterBufferH264) && buf->num_elements == 1);
51    context->desc.h264.slice_count = 0;
52    /*CurrPic*/
53    context->desc.h264.field_order_cnt[0] = h264->CurrPic.TopFieldOrderCnt;
54    context->desc.h264.field_order_cnt[1] = h264->CurrPic.BottomFieldOrderCnt;
55    /*ReferenceFrames[16]*/
56    /*picture_width_in_mbs_minus1*/
57    /*picture_height_in_mbs_minus1*/
58    /*bit_depth_luma_minus8*/
59    /*bit_depth_chroma_minus8*/
60    context->desc.h264.num_ref_frames = h264->num_ref_frames;
61    /*chroma_format_idc*/
62    /*residual_colour_transform_flag*/
63    /*gaps_in_frame_num_value_allowed_flag*/
64    context->desc.h264.pps->sps->frame_mbs_only_flag =
65       h264->seq_fields.bits.frame_mbs_only_flag;
66    context->desc.h264.pps->sps->mb_adaptive_frame_field_flag =
67       h264->seq_fields.bits.mb_adaptive_frame_field_flag;
68    context->desc.h264.pps->sps->direct_8x8_inference_flag =
69       h264->seq_fields.bits.direct_8x8_inference_flag;
70    /*MinLumaBiPredSize8x8*/
71    context->desc.h264.pps->sps->log2_max_frame_num_minus4 =
72       h264->seq_fields.bits.log2_max_frame_num_minus4;
73    context->desc.h264.pps->sps->pic_order_cnt_type =
74       h264->seq_fields.bits.pic_order_cnt_type;
75    context->desc.h264.pps->sps->log2_max_pic_order_cnt_lsb_minus4 =
76       h264->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4;
77    context->desc.h264.pps->sps->delta_pic_order_always_zero_flag =
78       h264->seq_fields.bits.delta_pic_order_always_zero_flag;
79    /*num_slice_groups_minus1*/
80    /*slice_group_map_type*/
81    /*slice_group_change_rate_minus1*/
82    context->desc.h264.pps->pic_init_qp_minus26 =
83       h264->pic_init_qp_minus26;
84    /*pic_init_qs_minus26*/
85    context->desc.h264.pps->chroma_qp_index_offset =
86       h264->chroma_qp_index_offset;
87    context->desc.h264.pps->second_chroma_qp_index_offset =
88       h264->second_chroma_qp_index_offset;
89    context->desc.h264.pps->entropy_coding_mode_flag =
90       h264->pic_fields.bits.entropy_coding_mode_flag;
91    context->desc.h264.pps->weighted_pred_flag =
92       h264->pic_fields.bits.weighted_pred_flag;
93    context->desc.h264.pps->weighted_bipred_idc =
94       h264->pic_fields.bits.weighted_bipred_idc;
95    context->desc.h264.pps->transform_8x8_mode_flag =
96       h264->pic_fields.bits.transform_8x8_mode_flag;
97    context->desc.h264.field_pic_flag =
98       h264->pic_fields.bits.field_pic_flag;
99    context->desc.h264.pps->constrained_intra_pred_flag =
100       h264->pic_fields.bits.constrained_intra_pred_flag;
101    context->desc.h264.pps->bottom_field_pic_order_in_frame_present_flag =
102       h264->pic_fields.bits.pic_order_present_flag;
103    context->desc.h264.pps->deblocking_filter_control_present_flag =
104       h264->pic_fields.bits.deblocking_filter_control_present_flag;
105    context->desc.h264.pps->redundant_pic_cnt_present_flag =
106       h264->pic_fields.bits.redundant_pic_cnt_present_flag;
107    /*reference_pic_flag*/
108    context->desc.h264.frame_num = h264->frame_num;
109    context->desc.h264.is_reference = h264->pic_fields.bits.reference_pic_flag;
110    context->desc.h264.bottom_field_flag =
111       h264->pic_fields.bits.field_pic_flag &&
112       (h264->CurrPic.flags & VA_PICTURE_H264_BOTTOM_FIELD) != 0;
113 
114    if (!context->decoder && context->desc.h264.num_ref_frames > 0)
115       context->templat.max_references = MIN2(context->desc.h264.num_ref_frames, 16);
116 
117    for (i = 0; i < context->templat.max_references; ++i) {
118       if ((h264->ReferenceFrames[i].flags & VA_PICTURE_H264_INVALID) ||
119           (h264->ReferenceFrames[i].picture_id == VA_INVALID_SURFACE)) {
120          resetReferencePictureDesc(&context->desc.h264, i);
121          break;
122       }
123 
124       vlVaGetReferenceFrame(drv, h264->ReferenceFrames[i].picture_id, &context->desc.h264.ref[i]);
125       context->desc.h264.frame_num_list[i] = h264->ReferenceFrames[i].frame_idx;
126 
127       top_or_bottom_field = h264->ReferenceFrames[i].flags &
128          (VA_PICTURE_H264_TOP_FIELD | VA_PICTURE_H264_BOTTOM_FIELD);
129       context->desc.h264.is_long_term[i] = (h264->ReferenceFrames[i].flags &
130          (VA_PICTURE_H264_SHORT_TERM_REFERENCE |
131          VA_PICTURE_H264_LONG_TERM_REFERENCE)) !=
132          VA_PICTURE_H264_SHORT_TERM_REFERENCE;
133       context->desc.h264.top_is_reference[i] =
134          !context->desc.h264.is_long_term[i] ||
135          !!(h264->ReferenceFrames[i].flags & VA_PICTURE_H264_TOP_FIELD);
136       context->desc.h264.bottom_is_reference[i] =
137          !context->desc.h264.is_long_term[i] ||
138          !!(h264->ReferenceFrames[i].flags & VA_PICTURE_H264_BOTTOM_FIELD);
139       context->desc.h264.field_order_cnt_list[i][0] =
140          top_or_bottom_field != VA_PICTURE_H264_BOTTOM_FIELD ?
141          h264->ReferenceFrames[i].TopFieldOrderCnt: INT_MAX;
142       context->desc.h264.field_order_cnt_list[i][1] =
143          top_or_bottom_field != VA_PICTURE_H264_TOP_FIELD ?
144          h264->ReferenceFrames[i].BottomFieldOrderCnt: INT_MAX;
145    }
146 
147    /* Make sure remaining elements are clean */
148    for (; i < 16; ++i)
149       resetReferencePictureDesc(&context->desc.h264, i);
150 }
151 
vlVaHandleIQMatrixBufferH264(vlVaContext * context,vlVaBuffer * buf)152 void vlVaHandleIQMatrixBufferH264(vlVaContext *context, vlVaBuffer *buf)
153 {
154    VAIQMatrixBufferH264 *h264 = buf->data;
155 
156    assert(buf->size >= sizeof(VAIQMatrixBufferH264) && buf->num_elements == 1);
157    memcpy(&context->desc.h264.pps->ScalingList4x4, h264->ScalingList4x4, 6 * 16);
158    memcpy(&context->desc.h264.pps->ScalingList8x8, h264->ScalingList8x8, 2 * 64);
159 }
160 
vlVaHandleSliceParameterBufferH264(vlVaContext * context,vlVaBuffer * buf)161 void vlVaHandleSliceParameterBufferH264(vlVaContext *context, vlVaBuffer *buf)
162 {
163    VASliceParameterBufferH264 *h264 = buf->data;
164 
165    assert(buf->size >= sizeof(VASliceParameterBufferH264) && buf->num_elements == 1);
166    context->desc.h264.slice_count += buf->num_elements;
167    context->desc.h264.num_ref_idx_l0_active_minus1 =
168       h264->num_ref_idx_l0_active_minus1;
169    context->desc.h264.num_ref_idx_l1_active_minus1 =
170       h264->num_ref_idx_l1_active_minus1;
171 }
172