| /* |
| * 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 |
| */ |
| |
| #ifndef AVCODEC_HWCONFIG_H |
| #define AVCODEC_HWCONFIG_H |
| |
| #include "avcodec.h" |
| #include "hwaccels.h" |
| |
| |
| #define HWACCEL_CAP_ASYNC_SAFE (1 << 0) |
| |
| |
| typedef struct AVCodecHWConfigInternal { |
| /** |
| * This is the structure which will be returned to the user by |
| * avcodec_get_hw_config(). |
| */ |
| AVCodecHWConfig public; |
| /** |
| * If this configuration uses a hwaccel, a pointer to it. |
| * If not, NULL. |
| */ |
| const AVHWAccel *hwaccel; |
| } AVCodecHWConfigInternal; |
| |
| |
| // These macros are used to simplify AVCodecHWConfigInternal definitions. |
| |
| #define HW_CONFIG_HWACCEL(device, frames, ad_hoc, format, device_type_, name) \ |
| &(const AVCodecHWConfigInternal) { \ |
| .public = { \ |
| .pix_fmt = AV_PIX_FMT_ ## format, \ |
| .methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \ |
| (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \ |
| (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \ |
| .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \ |
| }, \ |
| .hwaccel = &name, \ |
| } |
| |
| #define HW_CONFIG_INTERNAL(format) \ |
| &(const AVCodecHWConfigInternal) { \ |
| .public = { \ |
| .pix_fmt = AV_PIX_FMT_ ## format, \ |
| .methods = AV_CODEC_HW_CONFIG_METHOD_INTERNAL, \ |
| .device_type = AV_HWDEVICE_TYPE_NONE, \ |
| }, \ |
| .hwaccel = NULL, \ |
| } |
| |
| #define HWACCEL_DXVA2(codec) \ |
| HW_CONFIG_HWACCEL(1, 1, 1, DXVA2_VLD, DXVA2, ff_ ## codec ## _dxva2_hwaccel) |
| #define HWACCEL_D3D11VA2(codec) \ |
| HW_CONFIG_HWACCEL(1, 1, 0, D3D11, D3D11VA, ff_ ## codec ## _d3d11va2_hwaccel) |
| #define HWACCEL_NVDEC(codec) \ |
| HW_CONFIG_HWACCEL(1, 1, 0, CUDA, CUDA, ff_ ## codec ## _nvdec_hwaccel) |
| #define HWACCEL_VAAPI(codec) \ |
| HW_CONFIG_HWACCEL(1, 1, 1, VAAPI, VAAPI, ff_ ## codec ## _vaapi_hwaccel) |
| #define HWACCEL_VDPAU(codec) \ |
| HW_CONFIG_HWACCEL(1, 1, 1, VDPAU, VDPAU, ff_ ## codec ## _vdpau_hwaccel) |
| #define HWACCEL_VIDEOTOOLBOX(codec) \ |
| HW_CONFIG_HWACCEL(1, 1, 1, VIDEOTOOLBOX, VIDEOTOOLBOX, ff_ ## codec ## _videotoolbox_hwaccel) |
| #define HWACCEL_D3D11VA(codec) \ |
| HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel) |
| #define HWACCEL_XVMC(codec) \ |
| HW_CONFIG_HWACCEL(0, 0, 1, XVMC, NONE, ff_ ## codec ## _xvmc_hwaccel) |
| |
| #define HW_CONFIG_ENCODER(device, frames, ad_hoc, format, device_type_) \ |
| &(const AVCodecHWConfigInternal) { \ |
| .public = { \ |
| .pix_fmt = AV_PIX_FMT_ ## format, \ |
| .methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \ |
| (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \ |
| (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \ |
| .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \ |
| }, \ |
| .hwaccel = NULL, \ |
| } |
| |
| #define HW_CONFIG_ENCODER_DEVICE(format, device_type_) \ |
| HW_CONFIG_ENCODER(1, 0, 0, format, device_type_) |
| |
| #define HW_CONFIG_ENCODER_FRAMES(format, device_type_) \ |
| HW_CONFIG_ENCODER(0, 1, 0, format, device_type_) |
| |
| #endif /* AVCODEC_HWCONFIG_H */ |