1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
* Copyright (c) 2025 Lynne <dev@lynne.ee>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ffv1_vulkan.h"
#include "libavutil/crc.h"
void ff_ffv1_vk_set_common_sl(AVCodecContext *avctx, FFV1Context *f,
VkSpecializationInfo *sl,
enum AVPixelFormat sw_format)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(sw_format);
int color_planes = av_pix_fmt_desc_get(sw_format)->nb_components;
int is_rgb = !(f->colorspace == 0 && sw_format != AV_PIX_FMT_YA8) &&
!(sw_format == AV_PIX_FMT_YA8);
SPEC_LIST_ADD(sl, 2, 32, f->version);
SPEC_LIST_ADD(sl, 3, 32, f->quant_table_count);
for (int i = 0; i < f->quant_table_count; i++) {
if (f->quant_tables[i][3][127] || f->quant_tables[i][4][127]) {
SPEC_LIST_ADD(sl, 4, 32, 1);
break;
}
}
int bits = desc->comp[0].depth;
SPEC_LIST_ADD(sl, 5, 32, 1 << bits);
SPEC_LIST_ADD(sl, 6, 32, f->colorspace);
SPEC_LIST_ADD(sl, 7, 32, f->transparency);
SPEC_LIST_ADD(sl, 8, 32, ff_vk_mt_is_np_rgb(sw_format) &&
(desc->flags & AV_PIX_FMT_FLAG_PLANAR));
SPEC_LIST_ADD(sl, 9, 32, f->plane_count);
SPEC_LIST_ADD(sl, 10, 32, color_planes);
SPEC_LIST_ADD(sl, 11, 32, av_pix_fmt_count_planes(sw_format));
SPEC_LIST_ADD(sl, 12, 32, bits + is_rgb);
SPEC_LIST_ADD(sl, 13, 32, f->chroma_h_shift);
SPEC_LIST_ADD(sl, 14, 32, f->chroma_v_shift);
}
static void set_crc_tab(uint32_t *buf)
{
for (uint32_t i = 0; i < 256; i++) {
uint32_t c = i << 24;
for (int j = 0; j < 8; j++)
c = (c << 1) ^ (0x04C11DB7 & (((int32_t) c) >> 31));
buf[i] = av_bswap32(c);
}
}
static void set_rc_state_tab(FFV1Context *f, uint8_t *buf)
{
for (int i = 1; i < 256; i++) {
buf[256 + i] = f->state_transition[i];
buf[256 - i] = 256 - (int)f->state_transition[i];
}
}
int ff_ffv1_vk_init_consts(FFVulkanContext *s, FFVkBuffer *vkb, FFV1Context *f)
{
int err;
uint8_t *buf_mapped;
size_t buf_len = 256*sizeof(uint32_t) + /* CRC */
512*sizeof(uint8_t) + /* Rangecoder */
MAX_QUANT_TABLES*
MAX_CONTEXT_INPUTS*
MAX_QUANT_TABLE_SIZE*sizeof(int16_t);
RET(ff_vk_create_buf(s, vkb,
buf_len,
NULL, NULL,
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT));
RET(ff_vk_map_buffer(s, vkb, (void *)&buf_mapped, 0));
set_crc_tab((uint32_t *)buf_mapped);
set_rc_state_tab(f, buf_mapped + 256*sizeof(uint32_t));
memcpy(buf_mapped + 256*sizeof(uint32_t) + 512*sizeof(uint8_t),
f->quant_tables, sizeof(f->quant_tables));
RET(ff_vk_unmap_buffer(s, vkb, 1));
fail:
return err;
}
|
