1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef AVCODEC_HWCONFIG_H
20 #define AVCODEC_HWCONFIG_H
21
24
26 /**
27 * This is the structure which will be returned to the user by
28 * avcodec_get_hw_config().
29 */
31 /**
32 * If this configuration uses a hwaccel, a pointer to it.
33 * If not, NULL.
34 */
37
39
40 // These macros are used to simplify AVCodecHWConfigInternal definitions.
41
42 #define HW_CONFIG_HWACCEL(device, frames, ad_hoc, format, device_type_, name) \
43 &(const AVCodecHWConfigInternal) { \
44 .public = { \
45 .pix_fmt = AV_PIX_FMT_ ## format, \
46 .methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \
47 (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \
48 (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \
49 .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \
50 }, \
51 .hwaccel = &name, \
52 }
53
54 #define HW_CONFIG_INTERNAL(format) \
55 &(const AVCodecHWConfigInternal) { \
56 .public = { \
57 .pix_fmt = AV_PIX_FMT_ ## format, \
58 .methods = AV_CODEC_HW_CONFIG_METHOD_INTERNAL, \
59 .device_type = AV_HWDEVICE_TYPE_NONE, \
60 }, \
61 .hwaccel = NULL, \
62 }
63
64 #define HWACCEL_DXVA2(codec) \
65 HW_CONFIG_HWACCEL(1, 1, 1, DXVA2_VLD, DXVA2, ff_ ## codec ## _dxva2_hwaccel)
66 #define HWACCEL_D3D11VA2(codec) \
67 HW_CONFIG_HWACCEL(1, 1, 0, D3D11, D3D11VA, ff_ ## codec ## _d3d11va2_hwaccel)
68 #define HWACCEL_NVDEC(codec) \
69 HW_CONFIG_HWACCEL(1, 1, 0, CUDA, CUDA, ff_ ## codec ## _nvdec_hwaccel)
70 #define HWACCEL_VAAPI(codec) \
71 HW_CONFIG_HWACCEL(1, 1, 1, VAAPI, VAAPI, ff_ ## codec ## _vaapi_hwaccel)
72 #define HWACCEL_VDPAU(codec) \
73 HW_CONFIG_HWACCEL(1, 1, 1, VDPAU, VDPAU, ff_ ## codec ## _vdpau_hwaccel)
74 #define HWACCEL_VIDEOTOOLBOX(codec) \
75 HW_CONFIG_HWACCEL(1, 1, 1, VIDEOTOOLBOX, VIDEOTOOLBOX, ff_ ## codec ## _videotoolbox_hwaccel)
76 #define HWACCEL_VULKAN(codec) \
77 HW_CONFIG_HWACCEL(1, 1, 1, VULKAN, VULKAN, ff_ ## codec ## _vulkan_hwaccel)
78 #define HWACCEL_D3D11VA(codec) \
79 HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel)
80 #define HWACCEL_D3D12VA(codec) \
81 HW_CONFIG_HWACCEL(1, 1, 0, D3D12, D3D12VA, ff_ ## codec ## _d3d12va_hwaccel)
82
83 #define HW_CONFIG_ENCODER(device, frames, ad_hoc, format, device_type_) \
84 &(const AVCodecHWConfigInternal) { \
85 .public = { \
86 .pix_fmt = AV_PIX_FMT_ ## format, \
87 .methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \
88 (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \
89 (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \
90 .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \
91 }, \
92 .hwaccel = NULL, \
93 }
94
95 #define HW_CONFIG_ENCODER_DEVICE(format, device_type_) \
96 HW_CONFIG_ENCODER(1, 0, 0, format, device_type_)
97
98 #define HW_CONFIG_ENCODER_FRAMES(format, device_type_) \
99 HW_CONFIG_ENCODER(0, 1, 0, format, device_type_)
100
101 #endif /* AVCODEC_HWCONFIG_H */