2 * This file is part of FFmpeg.
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.
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.
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
19 #ifndef AVCODEC_HWACCEL_H
20 #define AVCODEC_HWACCEL_H
26 #define HWACCEL_CAP_ASYNC_SAFE (1 << 0)
29 typedef struct AVCodecHWConfigInternal {
31 * This is the structure which will be returned to the user by
32 * avcodec_get_hw_config().
34 AVCodecHWConfig public;
36 * If this configuration uses a hwaccel, a pointer to it.
39 const AVHWAccel *hwaccel;
40 } AVCodecHWConfigInternal;
43 // These macros are used to simplify AVCodecHWConfigInternal definitions.
45 #define HW_CONFIG_HWACCEL(format, device, name) \
46 &(const AVCodecHWConfigInternal) { \
48 .pix_fmt = AV_PIX_FMT_ ## format, \
49 .methods = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX | \
50 AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX, \
51 .device_type = AV_HWDEVICE_TYPE_ ## device, \
56 #define HW_CONFIG_INTERNAL(format) \
57 &(const AVCodecHWConfigInternal) { \
59 .pix_fmt = AV_PIX_FMT_ ## format, \
60 .methods = AV_CODEC_HW_CONFIG_METHOD_INTERNAL, \
61 .device_type = AV_HWDEVICE_TYPE_NONE, \
66 #define HW_CONFIG_AD_HOC_HWACCEL(format, name) \
67 &(const AVCodecHWConfigInternal) { \
69 .pix_fmt = AV_PIX_FMT_ ## format, \
70 .methods = AV_CODEC_HW_CONFIG_METHOD_AD_HOC, \
71 .device_type = AV_HWDEVICE_TYPE_NONE, \
76 #define HWACCEL_DXVA2(codec) \
77 HW_CONFIG_HWACCEL(DXVA2_VLD, DXVA2, ff_ ## codec ## _dxva2_hwaccel)
78 #define HWACCEL_D3D11VA2(codec) \
79 HW_CONFIG_HWACCEL(D3D11, D3D11VA, ff_ ## codec ## _d3d11va2_hwaccel)
80 #define HWACCEL_NVDEC(codec) \
81 HW_CONFIG_HWACCEL(CUDA, CUDA, ff_ ## codec ## _nvdec_hwaccel)
82 #define HWACCEL_VAAPI(codec) \
83 HW_CONFIG_HWACCEL(VAAPI, VAAPI, ff_ ## codec ## _vaapi_hwaccel)
84 #define HWACCEL_VDPAU(codec) \
85 HW_CONFIG_HWACCEL(VDPAU, VDPAU, ff_ ## codec ## _vdpau_hwaccel)
86 #define HWACCEL_VIDEOTOOLBOX(codec) \
87 HW_CONFIG_HWACCEL(VIDEOTOOLBOX, VIDEOTOOLBOX, ff_ ## codec ## _videotoolbox_hwaccel)
89 #define HWACCEL_D3D11VA(codec) \
90 HW_CONFIG_AD_HOC_HWACCEL(D3D11VA_VLD, ff_ ## codec ## _d3d11va_hwaccel)
91 #define HWACCEL_XVMC(codec) \
92 HW_CONFIG_AD_HOC_HWACCEL(XVMC, ff_ ## codec ## _xvmc_hwaccel)
94 #endif /* AVCODEC_HWACCEL_H */