1 /**************************************************************************
2 *
3 * Copyright 2014 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include "va_private.h"
29
vlVaHandlePictureParameterBufferMPEG12(vlVaDriver * drv,vlVaContext * context,vlVaBuffer * buf)30 void vlVaHandlePictureParameterBufferMPEG12(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
31 {
32 VAPictureParameterBufferMPEG2 *mpeg2 = buf->data;
33
34 assert(buf->size >= sizeof(VAPictureParameterBufferMPEG2) && buf->num_elements == 1);
35 context->desc.mpeg12.num_slices = 0;
36 /*horizontal_size;*/
37 /*vertical_size;*/
38 vlVaGetReferenceFrame(drv, mpeg2->forward_reference_picture, &context->desc.mpeg12.ref[0]);
39 vlVaGetReferenceFrame(drv, mpeg2->backward_reference_picture, &context->desc.mpeg12.ref[1]);
40 context->desc.mpeg12.picture_coding_type = mpeg2->picture_coding_type;
41 context->desc.mpeg12.f_code[0][0] = ((mpeg2->f_code >> 12) & 0xf) - 1;
42 context->desc.mpeg12.f_code[0][1] = ((mpeg2->f_code >> 8) & 0xf) - 1;
43 context->desc.mpeg12.f_code[1][0] = ((mpeg2->f_code >> 4) & 0xf) - 1;
44 context->desc.mpeg12.f_code[1][1] = (mpeg2->f_code & 0xf) - 1;
45 context->desc.mpeg12.intra_dc_precision =
46 mpeg2->picture_coding_extension.bits.intra_dc_precision;
47 context->desc.mpeg12.picture_structure =
48 mpeg2->picture_coding_extension.bits.picture_structure;
49 context->desc.mpeg12.top_field_first =
50 mpeg2->picture_coding_extension.bits.top_field_first;
51 context->desc.mpeg12.frame_pred_frame_dct =
52 mpeg2->picture_coding_extension.bits.frame_pred_frame_dct;
53 context->desc.mpeg12.concealment_motion_vectors =
54 mpeg2->picture_coding_extension.bits.concealment_motion_vectors;
55 context->desc.mpeg12.q_scale_type =
56 mpeg2->picture_coding_extension.bits.q_scale_type;
57 context->desc.mpeg12.intra_vlc_format =
58 mpeg2->picture_coding_extension.bits.intra_vlc_format;
59 context->desc.mpeg12.alternate_scan =
60 mpeg2->picture_coding_extension.bits.alternate_scan;
61 /*repeat_first_field*/
62 /*progressive_frame*/
63 /*is_first_field*/
64 }
65
vlVaHandleIQMatrixBufferMPEG12(vlVaContext * context,vlVaBuffer * buf)66 void vlVaHandleIQMatrixBufferMPEG12(vlVaContext *context, vlVaBuffer *buf)
67 {
68 VAIQMatrixBufferMPEG2 *mpeg2 = buf->data;
69
70 assert(buf->size >= sizeof(VAIQMatrixBufferMPEG2) && buf->num_elements == 1);
71 if (mpeg2->load_intra_quantiser_matrix)
72 context->desc.mpeg12.intra_matrix = mpeg2->intra_quantiser_matrix;
73 else
74 context->desc.mpeg12.intra_matrix = NULL;
75
76 if (mpeg2->load_non_intra_quantiser_matrix)
77 context->desc.mpeg12.non_intra_matrix = mpeg2->non_intra_quantiser_matrix;
78 else
79 context->desc.mpeg12.non_intra_matrix = NULL;
80 }
81
vlVaHandleSliceParameterBufferMPEG12(vlVaContext * context,vlVaBuffer * buf)82 void vlVaHandleSliceParameterBufferMPEG12(vlVaContext *context, vlVaBuffer *buf)
83 {
84 assert(buf->size >= sizeof(VASliceParameterBufferMPEG2));
85 context->desc.mpeg12.num_slices += buf->num_elements;
86 }
87