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-rw-r--r--media/ffvpx/libavcodec/hwconfig.h101
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diff --git a/media/ffvpx/libavcodec/hwconfig.h b/media/ffvpx/libavcodec/hwconfig.h
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+/*
+ * 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"
+
+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 struct FFHWAccel *hwaccel;
+} AVCodecHWConfigInternal;
+
+void ff_hwaccel_uninit(AVCodecContext *avctx);
+
+// 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_VULKAN(codec) \
+ HW_CONFIG_HWACCEL(1, 1, 1, VULKAN, VULKAN, ff_ ## codec ## _vulkan_hwaccel)
+#define HWACCEL_D3D11VA(codec) \
+ HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel)
+#define HWACCEL_D3D12VA(codec) \
+ HW_CONFIG_HWACCEL(1, 1, 0, D3D12, D3D12VA, ff_ ## codec ## _d3d12va_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 */