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 22#include "avcodec.h" 23#include "hwaccels.h" 24 25 26#define HWACCEL_CAP_ASYNC_SAFE (1 << 0) 27 28 29typedef struct AVCodecHWConfigInternal { 30 /** 31 * This is the structure which will be returned to the user by 32 * avcodec_get_hw_config(). 33 */ 34 AVCodecHWConfig public; 35 /** 36 * If this configuration uses a hwaccel, a pointer to it. 37 * If not, NULL. 38 */ 39 const AVHWAccel *hwaccel; 40} AVCodecHWConfigInternal; 41 42 43// These macros are used to simplify AVCodecHWConfigInternal definitions. 44 45#define HW_CONFIG_HWACCEL(device, frames, ad_hoc, format, device_type_, name) \ 46 &(const AVCodecHWConfigInternal) { \ 47 .public = { \ 48 .pix_fmt = AV_PIX_FMT_ ## format, \ 49 .methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \ 50 (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \ 51 (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \ 52 .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \ 53 }, \ 54 .hwaccel = &name, \ 55 } 56 57#define HW_CONFIG_INTERNAL(format) \ 58 &(const AVCodecHWConfigInternal) { \ 59 .public = { \ 60 .pix_fmt = AV_PIX_FMT_ ## format, \ 61 .methods = AV_CODEC_HW_CONFIG_METHOD_INTERNAL, \ 62 .device_type = AV_HWDEVICE_TYPE_NONE, \ 63 }, \ 64 .hwaccel = NULL, \ 65 } 66 67#define HWACCEL_DXVA2(codec) \ 68 HW_CONFIG_HWACCEL(1, 1, 1, DXVA2_VLD, DXVA2, ff_ ## codec ## _dxva2_hwaccel) 69#define HWACCEL_D3D11VA2(codec) \ 70 HW_CONFIG_HWACCEL(1, 1, 0, D3D11, D3D11VA, ff_ ## codec ## _d3d11va2_hwaccel) 71#define HWACCEL_NVDEC(codec) \ 72 HW_CONFIG_HWACCEL(1, 1, 0, CUDA, CUDA, ff_ ## codec ## _nvdec_hwaccel) 73#define HWACCEL_VAAPI(codec) \ 74 HW_CONFIG_HWACCEL(1, 1, 1, VAAPI, VAAPI, ff_ ## codec ## _vaapi_hwaccel) 75#define HWACCEL_VDPAU(codec) \ 76 HW_CONFIG_HWACCEL(1, 1, 1, VDPAU, VDPAU, ff_ ## codec ## _vdpau_hwaccel) 77#define HWACCEL_VIDEOTOOLBOX(codec) \ 78 HW_CONFIG_HWACCEL(1, 1, 1, VIDEOTOOLBOX, VIDEOTOOLBOX, ff_ ## codec ## _videotoolbox_hwaccel) 79#define HWACCEL_D3D11VA(codec) \ 80 HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel) 81 82#define HW_CONFIG_ENCODER(device, frames, ad_hoc, format, device_type_) \ 83 &(const AVCodecHWConfigInternal) { \ 84 .public = { \ 85 .pix_fmt = AV_PIX_FMT_ ## format, \ 86 .methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \ 87 (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \ 88 (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \ 89 .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \ 90 }, \ 91 .hwaccel = NULL, \ 92 } 93 94#define HW_CONFIG_ENCODER_DEVICE(format, device_type_) \ 95 HW_CONFIG_ENCODER(1, 0, 0, format, device_type_) 96 97#define HW_CONFIG_ENCODER_FRAMES(format, device_type_) \ 98 HW_CONFIG_ENCODER(0, 1, 0, format, device_type_) 99 100#endif /* AVCODEC_HWCONFIG_H */ 101