| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 AVUTIL_HWCONTEXT_INTERNAL_H | ||
| 20 | #define AVUTIL_HWCONTEXT_INTERNAL_H | ||
| 21 | |||
| 22 | #include <stddef.h> | ||
| 23 | |||
| 24 | #include "buffer.h" | ||
| 25 | #include "hwcontext.h" | ||
| 26 | #include "thread.h" | ||
| 27 | #include "frame.h" | ||
| 28 | #include "pixfmt.h" | ||
| 29 | |||
| 30 | typedef struct HWContextType { | ||
| 31 | enum AVHWDeviceType type; | ||
| 32 | const char *name; | ||
| 33 | |||
| 34 | /** | ||
| 35 | * An array of pixel formats supported by the AVHWFramesContext instances | ||
| 36 | * Terminated by AV_PIX_FMT_NONE. | ||
| 37 | */ | ||
| 38 | const enum AVPixelFormat *pix_fmts; | ||
| 39 | |||
| 40 | /** | ||
| 41 | * size of the public hardware-specific context, | ||
| 42 | * i.e. AVHWDeviceContext.hwctx | ||
| 43 | */ | ||
| 44 | size_t device_hwctx_size; | ||
| 45 | |||
| 46 | /** | ||
| 47 | * Size of the hardware-specific device configuration. | ||
| 48 | * (Used to query hwframe constraints.) | ||
| 49 | */ | ||
| 50 | size_t device_hwconfig_size; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * size of the public frame pool hardware-specific context, | ||
| 54 | * i.e. AVHWFramesContext.hwctx | ||
| 55 | */ | ||
| 56 | size_t frames_hwctx_size; | ||
| 57 | |||
| 58 | int (*device_create)(AVHWDeviceContext *ctx, const char *device, | ||
| 59 | AVDictionary *opts, int flags); | ||
| 60 | int (*device_derive)(AVHWDeviceContext *dst_ctx, | ||
| 61 | AVHWDeviceContext *src_ctx, | ||
| 62 | AVDictionary *opts, int flags); | ||
| 63 | |||
| 64 | int (*device_init)(AVHWDeviceContext *ctx); | ||
| 65 | void (*device_uninit)(AVHWDeviceContext *ctx); | ||
| 66 | |||
| 67 | int (*frames_get_constraints)(AVHWDeviceContext *ctx, | ||
| 68 | const void *hwconfig, | ||
| 69 | AVHWFramesConstraints *constraints); | ||
| 70 | |||
| 71 | int (*frames_init)(AVHWFramesContext *ctx); | ||
| 72 | void (*frames_uninit)(AVHWFramesContext *ctx); | ||
| 73 | |||
| 74 | int (*frames_get_buffer)(AVHWFramesContext *ctx, AVFrame *frame); | ||
| 75 | |||
| 76 | /** | ||
| 77 | * Allocate a buffer of size bytes for av_hwframe_get_transfer_buffer(), | ||
| 78 | * av_buffer_alloc() is used if this is not set or returns NULL. | ||
| 79 | * | ||
| 80 | * @param device_ref the AVBufferRef of the AVHWDeviceContext | ||
| 81 | */ | ||
| 82 | AVBufferRef *(*transfer_buffer_alloc)(void *device_ref, size_t size); | ||
| 83 | int (*transfer_get_formats)(AVHWFramesContext *ctx, | ||
| 84 | enum AVHWFrameTransferDirection dir, | ||
| 85 | enum AVPixelFormat **formats); | ||
| 86 | int (*transfer_data_to)(AVHWFramesContext *ctx, AVFrame *dst, | ||
| 87 | const AVFrame *src); | ||
| 88 | int (*transfer_data_from)(AVHWFramesContext *ctx, AVFrame *dst, | ||
| 89 | const AVFrame *src); | ||
| 90 | |||
| 91 | int (*map_to)(AVHWFramesContext *ctx, AVFrame *dst, | ||
| 92 | const AVFrame *src, int flags); | ||
| 93 | int (*map_from)(AVHWFramesContext *ctx, AVFrame *dst, | ||
| 94 | const AVFrame *src, int flags); | ||
| 95 | |||
| 96 | int (*frames_derive_to)(AVHWFramesContext *dst_ctx, | ||
| 97 | AVHWFramesContext *src_ctx, int flags); | ||
| 98 | int (*frames_derive_from)(AVHWFramesContext *dst_ctx, | ||
| 99 | AVHWFramesContext *src_ctx, int flags); | ||
| 100 | } HWContextType; | ||
| 101 | |||
| 102 | typedef struct FFHWFramesContext { | ||
| 103 | /** | ||
| 104 | * The public AVHWFramesContext. See hwcontext.h for it. | ||
| 105 | */ | ||
| 106 | AVHWFramesContext p; | ||
| 107 | |||
| 108 | const HWContextType *hw_type; | ||
| 109 | |||
| 110 | AVBufferPool *pool_internal; | ||
| 111 | |||
| 112 | /** | ||
| 113 | * Buffers of transfer_pool_size bytes for av_hwframe_get_transfer_buffer(), | ||
| 114 | * both guarded by transfer_pool_lock. | ||
| 115 | */ | ||
| 116 | AVBufferPool *transfer_pool; | ||
| 117 | size_t transfer_pool_size; | ||
| 118 | AVMutex transfer_pool_lock; | ||
| 119 | |||
| 120 | /** | ||
| 121 | * For a derived context, a reference to the original frames | ||
| 122 | * context it was derived from. | ||
| 123 | */ | ||
| 124 | AVBufferRef *source_frames; | ||
| 125 | /** | ||
| 126 | * Flags to apply to the mapping from the source to the derived | ||
| 127 | * frame context when trying to allocate in the derived context. | ||
| 128 | */ | ||
| 129 | int source_allocation_map_flags; | ||
| 130 | } FFHWFramesContext; | ||
| 131 | |||
| 132 | ✗ | static inline FFHWFramesContext *ffhwframesctx(AVHWFramesContext *ctx) | |
| 133 | { | ||
| 134 | ✗ | return (FFHWFramesContext*)ctx; | |
| 135 | } | ||
| 136 | |||
| 137 | typedef struct HWMapDescriptor { | ||
| 138 | /** | ||
| 139 | * A reference to the original source of the mapping. | ||
| 140 | */ | ||
| 141 | AVFrame *source; | ||
| 142 | /** | ||
| 143 | * A reference to the hardware frames context in which this | ||
| 144 | * mapping was made. May be the same as source->hw_frames_ctx, | ||
| 145 | * but need not be. | ||
| 146 | */ | ||
| 147 | AVBufferRef *hw_frames_ctx; | ||
| 148 | /** | ||
| 149 | * Unmap function. | ||
| 150 | */ | ||
| 151 | void (*unmap)(AVHWFramesContext *ctx, | ||
| 152 | struct HWMapDescriptor *hwmap); | ||
| 153 | /** | ||
| 154 | * Hardware-specific private data associated with the mapping. | ||
| 155 | */ | ||
| 156 | void *priv; | ||
| 157 | } HWMapDescriptor; | ||
| 158 | |||
| 159 | int ff_hwframe_map_create(AVBufferRef *hwframe_ref, | ||
| 160 | AVFrame *dst, const AVFrame *src, | ||
| 161 | void (*unmap)(AVHWFramesContext *ctx, | ||
| 162 | HWMapDescriptor *hwmap), | ||
| 163 | void *priv); | ||
| 164 | |||
| 165 | /** | ||
| 166 | * Replace the current hwmap of dst with the one from src, used for indirect | ||
| 167 | * mappings like VAAPI->(DRM)->OpenCL/Vulkan where a direct interop is missing | ||
| 168 | */ | ||
| 169 | int ff_hwframe_map_replace(AVFrame *dst, const AVFrame *src); | ||
| 170 | |||
| 171 | extern const HWContextType ff_hwcontext_type_cuda; | ||
| 172 | extern const HWContextType ff_hwcontext_type_d3d11va; | ||
| 173 | extern const HWContextType ff_hwcontext_type_d3d12va; | ||
| 174 | extern const HWContextType ff_hwcontext_type_drm; | ||
| 175 | extern const HWContextType ff_hwcontext_type_dxva2; | ||
| 176 | extern const HWContextType ff_hwcontext_type_opencl; | ||
| 177 | extern const HWContextType ff_hwcontext_type_qsv; | ||
| 178 | extern const HWContextType ff_hwcontext_type_vaapi; | ||
| 179 | extern const HWContextType ff_hwcontext_type_vdpau; | ||
| 180 | extern const HWContextType ff_hwcontext_type_videotoolbox; | ||
| 181 | extern const HWContextType ff_hwcontext_type_mediacodec; | ||
| 182 | extern const HWContextType ff_hwcontext_type_vulkan; | ||
| 183 | extern const HWContextType ff_hwcontext_type_amf; | ||
| 184 | extern const HWContextType ff_hwcontext_type_oh; | ||
| 185 | |||
| 186 | #endif /* AVUTIL_HWCONTEXT_INTERNAL_H */ | ||
| 187 |