1 /*
2 * MJPEG HW decode acceleration through NVDEC
3 *
4 * Copyright (c) 2017 Philip Langdale
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
29
31 {
33
35 CUVIDPICPARAMS *pp = &
ctx->pic_params;
39
41
45
48
49 *pp = (CUVIDPICPARAMS) {
50 .PicWidthInMbs = (cur_frame->
width + 15) / 16,
51 .FrameHeightInMbs = (cur_frame->
height + 15) / 16,
52 .CurrPicIdx = cf->
idx,
53
54 .intra_pic_flag = 1,
55 .ref_pic_flag = 0,
56 };
57
59 }
60
62 {
63 return 0;
64 }
65
68 {
69 // Only need storage for the current frame
71 }
72
74 .
p.
name =
"mjpeg_nvdec",
85 };