| 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 | #include "config.h" | ||
| 20 | |||
| 21 | #include "avassert.h" | ||
| 22 | #include "buffer.h" | ||
| 23 | #include "common.h" | ||
| 24 | #include "hwcontext.h" | ||
| 25 | #include "hwcontext_internal.h" | ||
| 26 | #include "imgutils.h" | ||
| 27 | #include "log.h" | ||
| 28 | #include "mem.h" | ||
| 29 | #include "pixdesc.h" | ||
| 30 | #include "pixfmt.h" | ||
| 31 | |||
| 32 | static const HWContextType * const hw_table[] = { | ||
| 33 | #if CONFIG_CUDA | ||
| 34 | &ff_hwcontext_type_cuda, | ||
| 35 | #endif | ||
| 36 | #if CONFIG_D3D11VA | ||
| 37 | &ff_hwcontext_type_d3d11va, | ||
| 38 | #endif | ||
| 39 | #if CONFIG_D3D12VA | ||
| 40 | &ff_hwcontext_type_d3d12va, | ||
| 41 | #endif | ||
| 42 | #if CONFIG_LIBDRM | ||
| 43 | &ff_hwcontext_type_drm, | ||
| 44 | #endif | ||
| 45 | #if CONFIG_DXVA2 | ||
| 46 | &ff_hwcontext_type_dxva2, | ||
| 47 | #endif | ||
| 48 | #if CONFIG_OPENCL | ||
| 49 | &ff_hwcontext_type_opencl, | ||
| 50 | #endif | ||
| 51 | #if CONFIG_QSV | ||
| 52 | &ff_hwcontext_type_qsv, | ||
| 53 | #endif | ||
| 54 | #if CONFIG_VAAPI | ||
| 55 | &ff_hwcontext_type_vaapi, | ||
| 56 | #endif | ||
| 57 | #if CONFIG_VDPAU | ||
| 58 | &ff_hwcontext_type_vdpau, | ||
| 59 | #endif | ||
| 60 | #if CONFIG_VIDEOTOOLBOX | ||
| 61 | &ff_hwcontext_type_videotoolbox, | ||
| 62 | #endif | ||
| 63 | #if CONFIG_MEDIACODEC | ||
| 64 | &ff_hwcontext_type_mediacodec, | ||
| 65 | #endif | ||
| 66 | #if CONFIG_VULKAN | ||
| 67 | &ff_hwcontext_type_vulkan, | ||
| 68 | #endif | ||
| 69 | #if CONFIG_AMF | ||
| 70 | &ff_hwcontext_type_amf, | ||
| 71 | #endif | ||
| 72 | #if CONFIG_OHCODEC | ||
| 73 | &ff_hwcontext_type_oh, | ||
| 74 | #endif | ||
| 75 | NULL, | ||
| 76 | }; | ||
| 77 | |||
| 78 | static const char *const hw_type_names[] = { | ||
| 79 | [AV_HWDEVICE_TYPE_CUDA] = "cuda", | ||
| 80 | [AV_HWDEVICE_TYPE_DRM] = "drm", | ||
| 81 | [AV_HWDEVICE_TYPE_DXVA2] = "dxva2", | ||
| 82 | [AV_HWDEVICE_TYPE_D3D11VA] = "d3d11va", | ||
| 83 | [AV_HWDEVICE_TYPE_D3D12VA] = "d3d12va", | ||
| 84 | [AV_HWDEVICE_TYPE_OPENCL] = "opencl", | ||
| 85 | [AV_HWDEVICE_TYPE_QSV] = "qsv", | ||
| 86 | [AV_HWDEVICE_TYPE_VAAPI] = "vaapi", | ||
| 87 | [AV_HWDEVICE_TYPE_VDPAU] = "vdpau", | ||
| 88 | [AV_HWDEVICE_TYPE_VIDEOTOOLBOX] = "videotoolbox", | ||
| 89 | [AV_HWDEVICE_TYPE_MEDIACODEC] = "mediacodec", | ||
| 90 | [AV_HWDEVICE_TYPE_VULKAN] = "vulkan", | ||
| 91 | [AV_HWDEVICE_TYPE_AMF] = "amf", | ||
| 92 | [AV_HWDEVICE_TYPE_OHCODEC] = "ohcodec", | ||
| 93 | }; | ||
| 94 | |||
| 95 | typedef struct FFHWDeviceContext { | ||
| 96 | /** | ||
| 97 | * The public AVHWDeviceContext. See hwcontext.h for it. | ||
| 98 | */ | ||
| 99 | AVHWDeviceContext p; | ||
| 100 | |||
| 101 | const HWContextType *hw_type; | ||
| 102 | |||
| 103 | /** | ||
| 104 | * For a derived device, a reference to the original device | ||
| 105 | * context it was derived from. | ||
| 106 | */ | ||
| 107 | AVBufferRef *source_device; | ||
| 108 | } FFHWDeviceContext; | ||
| 109 | |||
| 110 | ✗ | enum AVHWDeviceType av_hwdevice_find_type_by_name(const char *name) | |
| 111 | { | ||
| 112 | int type; | ||
| 113 | ✗ | for (type = 0; type < FF_ARRAY_ELEMS(hw_type_names); type++) { | |
| 114 | ✗ | if (hw_type_names[type] && !strcmp(hw_type_names[type], name)) | |
| 115 | ✗ | return type; | |
| 116 | } | ||
| 117 | ✗ | return AV_HWDEVICE_TYPE_NONE; | |
| 118 | } | ||
| 119 | |||
| 120 | ✗ | const char *av_hwdevice_get_type_name(enum AVHWDeviceType type) | |
| 121 | { | ||
| 122 | ✗ | if (type > AV_HWDEVICE_TYPE_NONE && | |
| 123 | type < FF_ARRAY_ELEMS(hw_type_names)) | ||
| 124 | ✗ | return hw_type_names[type]; | |
| 125 | else | ||
| 126 | ✗ | return NULL; | |
| 127 | } | ||
| 128 | |||
| 129 | ✗ | enum AVHWDeviceType av_hwdevice_iterate_types(enum AVHWDeviceType prev) | |
| 130 | { | ||
| 131 | enum AVHWDeviceType next; | ||
| 132 | ✗ | int i, set = 0; | |
| 133 | ✗ | for (i = 0; hw_table[i]; i++) { | |
| 134 | ✗ | if (prev != AV_HWDEVICE_TYPE_NONE && hw_table[i]->type <= prev) | |
| 135 | ✗ | continue; | |
| 136 | ✗ | if (!set || hw_table[i]->type < next) { | |
| 137 | ✗ | next = hw_table[i]->type; | |
| 138 | ✗ | set = 1; | |
| 139 | } | ||
| 140 | } | ||
| 141 | ✗ | return set ? next : AV_HWDEVICE_TYPE_NONE; | |
| 142 | } | ||
| 143 | |||
| 144 | ✗ | static const char *hwdevice_ctx_get_name(void *ptr) | |
| 145 | { | ||
| 146 | ✗ | FFHWDeviceContext *ctx = ptr; | |
| 147 | ✗ | return ctx->hw_type->name; | |
| 148 | } | ||
| 149 | |||
| 150 | static const AVClass hwdevice_ctx_class = { | ||
| 151 | .class_name = "AVHWDeviceContext", | ||
| 152 | .item_name = hwdevice_ctx_get_name, | ||
| 153 | .category = AV_CLASS_CATEGORY_HWDEVICE, | ||
| 154 | .version = LIBAVUTIL_VERSION_INT, | ||
| 155 | }; | ||
| 156 | |||
| 157 | ✗ | static void hwdevice_ctx_free(void *opaque, uint8_t *data) | |
| 158 | { | ||
| 159 | ✗ | FFHWDeviceContext *ctxi = (FFHWDeviceContext*)data; | |
| 160 | ✗ | AVHWDeviceContext *ctx = &ctxi->p; | |
| 161 | |||
| 162 | /* uninit might still want access the hw context and the user | ||
| 163 | * free() callback might destroy it, so uninit has to be called first */ | ||
| 164 | ✗ | if (ctxi->hw_type->device_uninit) | |
| 165 | ✗ | ctxi->hw_type->device_uninit(ctx); | |
| 166 | |||
| 167 | ✗ | if (ctx->free) | |
| 168 | ✗ | ctx->free(ctx); | |
| 169 | |||
| 170 | ✗ | av_buffer_unref(&ctxi->source_device); | |
| 171 | |||
| 172 | ✗ | av_freep(&ctx->hwctx); | |
| 173 | ✗ | av_freep(&ctx); | |
| 174 | ✗ | } | |
| 175 | |||
| 176 | ✗ | AVBufferRef *av_hwdevice_ctx_alloc(enum AVHWDeviceType type) | |
| 177 | { | ||
| 178 | FFHWDeviceContext *ctxi; | ||
| 179 | AVHWDeviceContext *ctx; | ||
| 180 | AVBufferRef *buf; | ||
| 181 | ✗ | const HWContextType *hw_type = NULL; | |
| 182 | int i; | ||
| 183 | |||
| 184 | ✗ | for (i = 0; hw_table[i]; i++) { | |
| 185 | ✗ | if (hw_table[i]->type == type) { | |
| 186 | ✗ | hw_type = hw_table[i]; | |
| 187 | ✗ | break; | |
| 188 | } | ||
| 189 | } | ||
| 190 | ✗ | if (!hw_type) | |
| 191 | ✗ | return NULL; | |
| 192 | |||
| 193 | ✗ | ctxi = av_mallocz(sizeof(*ctxi)); | |
| 194 | ✗ | if (!ctxi) | |
| 195 | ✗ | return NULL; | |
| 196 | ✗ | ctx = &ctxi->p; | |
| 197 | |||
| 198 | ✗ | if (hw_type->device_hwctx_size) { | |
| 199 | ✗ | ctx->hwctx = av_mallocz(hw_type->device_hwctx_size); | |
| 200 | ✗ | if (!ctx->hwctx) | |
| 201 | ✗ | goto fail; | |
| 202 | } | ||
| 203 | |||
| 204 | ✗ | buf = av_buffer_create((uint8_t*)ctx, sizeof(*ctx), | |
| 205 | hwdevice_ctx_free, NULL, | ||
| 206 | AV_BUFFER_FLAG_READONLY); | ||
| 207 | ✗ | if (!buf) | |
| 208 | ✗ | goto fail; | |
| 209 | |||
| 210 | ✗ | ctx->type = type; | |
| 211 | ✗ | ctx->av_class = &hwdevice_ctx_class; | |
| 212 | |||
| 213 | ✗ | ctxi->hw_type = hw_type; | |
| 214 | |||
| 215 | ✗ | return buf; | |
| 216 | |||
| 217 | ✗ | fail: | |
| 218 | ✗ | av_freep(&ctx->hwctx); | |
| 219 | ✗ | av_freep(&ctx); | |
| 220 | ✗ | return NULL; | |
| 221 | } | ||
| 222 | |||
| 223 | ✗ | int av_hwdevice_ctx_init(AVBufferRef *ref) | |
| 224 | { | ||
| 225 | ✗ | FFHWDeviceContext *ctxi = (FFHWDeviceContext*)ref->data; | |
| 226 | ✗ | AVHWDeviceContext *ctx = &ctxi->p; | |
| 227 | ✗ | int ret = 0; | |
| 228 | |||
| 229 | ✗ | if (ctxi->hw_type->device_init) | |
| 230 | ✗ | ret = ctxi->hw_type->device_init(ctx); | |
| 231 | |||
| 232 | ✗ | return ret; | |
| 233 | } | ||
| 234 | |||
| 235 | static const AVClass hwframe_ctx_class = { | ||
| 236 | .class_name = "AVHWFramesContext", | ||
| 237 | .item_name = av_default_item_name, | ||
| 238 | .version = LIBAVUTIL_VERSION_INT, | ||
| 239 | }; | ||
| 240 | |||
| 241 | ✗ | static void hwframe_ctx_free(void *opaque, uint8_t *data) | |
| 242 | { | ||
| 243 | ✗ | FFHWFramesContext *ctxi = (FFHWFramesContext*)data; | |
| 244 | ✗ | AVHWFramesContext *ctx = &ctxi->p; | |
| 245 | |||
| 246 | ✗ | if (ctxi->pool_internal) | |
| 247 | ✗ | av_buffer_pool_uninit(&ctxi->pool_internal); | |
| 248 | |||
| 249 | ✗ | if (ctxi->hw_type->frames_uninit) | |
| 250 | ✗ | ctxi->hw_type->frames_uninit(ctx); | |
| 251 | |||
| 252 | ✗ | if (ctx->free) | |
| 253 | ✗ | ctx->free(ctx); | |
| 254 | |||
| 255 | ✗ | av_buffer_unref(&ctxi->source_frames); | |
| 256 | |||
| 257 | ✗ | av_buffer_unref(&ctx->device_ref); | |
| 258 | |||
| 259 | ✗ | av_freep(&ctx->hwctx); | |
| 260 | ✗ | av_freep(&ctx); | |
| 261 | ✗ | } | |
| 262 | |||
| 263 | ✗ | AVBufferRef *av_hwframe_ctx_alloc(AVBufferRef *device_ref_in) | |
| 264 | { | ||
| 265 | ✗ | FFHWDeviceContext *device_ctx = (FFHWDeviceContext*)device_ref_in->data; | |
| 266 | ✗ | const HWContextType *hw_type = device_ctx->hw_type; | |
| 267 | FFHWFramesContext *ctxi; | ||
| 268 | AVHWFramesContext *ctx; | ||
| 269 | ✗ | AVBufferRef *buf, *device_ref = NULL; | |
| 270 | |||
| 271 | ✗ | ctxi = av_mallocz(sizeof(*ctxi)); | |
| 272 | ✗ | if (!ctxi) | |
| 273 | ✗ | return NULL; | |
| 274 | ✗ | ctx = &ctxi->p; | |
| 275 | |||
| 276 | ✗ | if (hw_type->frames_hwctx_size) { | |
| 277 | ✗ | ctx->hwctx = av_mallocz(hw_type->frames_hwctx_size); | |
| 278 | ✗ | if (!ctx->hwctx) | |
| 279 | ✗ | goto fail; | |
| 280 | } | ||
| 281 | |||
| 282 | ✗ | device_ref = av_buffer_ref(device_ref_in); | |
| 283 | ✗ | if (!device_ref) | |
| 284 | ✗ | goto fail; | |
| 285 | |||
| 286 | ✗ | buf = av_buffer_create((uint8_t*)ctx, sizeof(*ctx), | |
| 287 | hwframe_ctx_free, NULL, | ||
| 288 | AV_BUFFER_FLAG_READONLY); | ||
| 289 | ✗ | if (!buf) | |
| 290 | ✗ | goto fail; | |
| 291 | |||
| 292 | ✗ | ctx->av_class = &hwframe_ctx_class; | |
| 293 | ✗ | ctx->device_ref = device_ref; | |
| 294 | ✗ | ctx->device_ctx = &device_ctx->p; | |
| 295 | ✗ | ctx->format = AV_PIX_FMT_NONE; | |
| 296 | ✗ | ctx->sw_format = AV_PIX_FMT_NONE; | |
| 297 | |||
| 298 | ✗ | ctxi->hw_type = hw_type; | |
| 299 | |||
| 300 | ✗ | return buf; | |
| 301 | |||
| 302 | ✗ | fail: | |
| 303 | ✗ | av_buffer_unref(&device_ref); | |
| 304 | ✗ | av_freep(&ctx->hwctx); | |
| 305 | ✗ | av_freep(&ctx); | |
| 306 | ✗ | return NULL; | |
| 307 | } | ||
| 308 | |||
| 309 | ✗ | static int hwframe_pool_prealloc(AVBufferRef *ref) | |
| 310 | { | ||
| 311 | ✗ | AVHWFramesContext *ctx = (AVHWFramesContext*)ref->data; | |
| 312 | AVFrame **frames; | ||
| 313 | ✗ | int i, ret = 0; | |
| 314 | |||
| 315 | ✗ | frames = av_calloc(ctx->initial_pool_size, sizeof(*frames)); | |
| 316 | ✗ | if (!frames) | |
| 317 | ✗ | return AVERROR(ENOMEM); | |
| 318 | |||
| 319 | ✗ | for (i = 0; i < ctx->initial_pool_size; i++) { | |
| 320 | ✗ | frames[i] = av_frame_alloc(); | |
| 321 | ✗ | if (!frames[i]) | |
| 322 | ✗ | goto fail; | |
| 323 | |||
| 324 | ✗ | ret = av_hwframe_get_buffer(ref, frames[i], 0); | |
| 325 | ✗ | if (ret < 0) | |
| 326 | ✗ | goto fail; | |
| 327 | } | ||
| 328 | |||
| 329 | ✗ | fail: | |
| 330 | ✗ | for (i = 0; i < ctx->initial_pool_size; i++) | |
| 331 | ✗ | av_frame_free(&frames[i]); | |
| 332 | ✗ | av_freep(&frames); | |
| 333 | |||
| 334 | ✗ | return ret; | |
| 335 | } | ||
| 336 | |||
| 337 | ✗ | int av_hwframe_ctx_init(AVBufferRef *ref) | |
| 338 | { | ||
| 339 | ✗ | FFHWFramesContext *ctxi = (FFHWFramesContext*)ref->data; | |
| 340 | ✗ | AVHWFramesContext *ctx = &ctxi->p; | |
| 341 | const enum AVPixelFormat *pix_fmt; | ||
| 342 | int ret; | ||
| 343 | |||
| 344 | ✗ | if (ctxi->source_frames) { | |
| 345 | /* A derived frame context is already initialised. */ | ||
| 346 | ✗ | return 0; | |
| 347 | } | ||
| 348 | |||
| 349 | /* validate the pixel format */ | ||
| 350 | ✗ | for (pix_fmt = ctxi->hw_type->pix_fmts; *pix_fmt != AV_PIX_FMT_NONE; pix_fmt++) { | |
| 351 | ✗ | if (*pix_fmt == ctx->format) | |
| 352 | ✗ | break; | |
| 353 | } | ||
| 354 | ✗ | if (*pix_fmt == AV_PIX_FMT_NONE) { | |
| 355 | ✗ | av_log(ctx, AV_LOG_ERROR, | |
| 356 | "The hardware pixel format '%s' is not supported by the device type '%s'\n", | ||
| 357 | ✗ | av_get_pix_fmt_name(ctx->format), ctxi->hw_type->name); | |
| 358 | ✗ | return AVERROR(ENOSYS); | |
| 359 | } | ||
| 360 | |||
| 361 | /* validate the dimensions */ | ||
| 362 | ✗ | ret = av_image_check_size(ctx->width, ctx->height, 0, ctx); | |
| 363 | ✗ | if (ret < 0) | |
| 364 | ✗ | return ret; | |
| 365 | |||
| 366 | /* format-specific init */ | ||
| 367 | ✗ | if (ctxi->hw_type->frames_init) { | |
| 368 | ✗ | ret = ctxi->hw_type->frames_init(ctx); | |
| 369 | ✗ | if (ret < 0) | |
| 370 | ✗ | return ret; | |
| 371 | } | ||
| 372 | |||
| 373 | ✗ | if (ctxi->pool_internal && !ctx->pool) | |
| 374 | ✗ | ctx->pool = ctxi->pool_internal; | |
| 375 | |||
| 376 | /* preallocate the frames in the pool, if requested */ | ||
| 377 | ✗ | if (ctx->initial_pool_size > 0) { | |
| 378 | ✗ | ret = hwframe_pool_prealloc(ref); | |
| 379 | ✗ | if (ret < 0) | |
| 380 | ✗ | return ret; | |
| 381 | } | ||
| 382 | |||
| 383 | ✗ | return 0; | |
| 384 | } | ||
| 385 | |||
| 386 | ✗ | int av_hwframe_transfer_get_formats(AVBufferRef *hwframe_ref, | |
| 387 | enum AVHWFrameTransferDirection dir, | ||
| 388 | enum AVPixelFormat **formats, int flags) | ||
| 389 | { | ||
| 390 | ✗ | FFHWFramesContext *ctxi = (FFHWFramesContext*)hwframe_ref->data; | |
| 391 | |||
| 392 | ✗ | if (!ctxi->hw_type->transfer_get_formats) | |
| 393 | ✗ | return AVERROR(ENOSYS); | |
| 394 | |||
| 395 | ✗ | return ctxi->hw_type->transfer_get_formats(&ctxi->p, dir, formats); | |
| 396 | } | ||
| 397 | |||
| 398 | ✗ | static int transfer_data_alloc(AVFrame *dst, const AVFrame *src, int flags) | |
| 399 | { | ||
| 400 | AVHWFramesContext *ctx; | ||
| 401 | AVFrame *frame_tmp; | ||
| 402 | ✗ | int ret = 0; | |
| 403 | |||
| 404 | ✗ | if (!src->hw_frames_ctx) | |
| 405 | ✗ | return AVERROR(EINVAL); | |
| 406 | ✗ | ctx = (AVHWFramesContext*)src->hw_frames_ctx->data; | |
| 407 | |||
| 408 | ✗ | frame_tmp = av_frame_alloc(); | |
| 409 | ✗ | if (!frame_tmp) | |
| 410 | ✗ | return AVERROR(ENOMEM); | |
| 411 | |||
| 412 | /* if the format is set, use that | ||
| 413 | * otherwise pick the first supported one */ | ||
| 414 | ✗ | if (dst->format >= 0) { | |
| 415 | ✗ | frame_tmp->format = dst->format; | |
| 416 | } else { | ||
| 417 | enum AVPixelFormat *formats; | ||
| 418 | |||
| 419 | ✗ | ret = av_hwframe_transfer_get_formats(src->hw_frames_ctx, | |
| 420 | AV_HWFRAME_TRANSFER_DIRECTION_FROM, | ||
| 421 | &formats, 0); | ||
| 422 | ✗ | if (ret < 0) | |
| 423 | ✗ | goto fail; | |
| 424 | ✗ | frame_tmp->format = formats[0]; | |
| 425 | ✗ | av_freep(&formats); | |
| 426 | } | ||
| 427 | ✗ | frame_tmp->width = ctx->width; | |
| 428 | ✗ | frame_tmp->height = ctx->height; | |
| 429 | |||
| 430 | ✗ | ret = av_frame_get_buffer(frame_tmp, 0); | |
| 431 | ✗ | if (ret < 0) | |
| 432 | ✗ | goto fail; | |
| 433 | |||
| 434 | ✗ | ret = av_hwframe_transfer_data(frame_tmp, src, flags); | |
| 435 | ✗ | if (ret < 0) | |
| 436 | ✗ | goto fail; | |
| 437 | |||
| 438 | ✗ | frame_tmp->width = src->width; | |
| 439 | ✗ | frame_tmp->height = src->height; | |
| 440 | |||
| 441 | ✗ | av_frame_move_ref(dst, frame_tmp); | |
| 442 | |||
| 443 | ✗ | fail: | |
| 444 | ✗ | av_frame_free(&frame_tmp); | |
| 445 | ✗ | return ret; | |
| 446 | } | ||
| 447 | |||
| 448 | ✗ | int av_hwframe_transfer_data(AVFrame *dst, const AVFrame *src, int flags) | |
| 449 | { | ||
| 450 | int ret; | ||
| 451 | |||
| 452 | ✗ | if (!dst->buf[0]) | |
| 453 | ✗ | return transfer_data_alloc(dst, src, flags); | |
| 454 | |||
| 455 | /* | ||
| 456 | * Hardware -> Hardware Transfer. | ||
| 457 | * Unlike Software -> Hardware or Hardware -> Software, the transfer | ||
| 458 | * function could be provided by either the src or dst, depending on | ||
| 459 | * the specific combination of hardware. | ||
| 460 | */ | ||
| 461 | ✗ | if (src->hw_frames_ctx && dst->hw_frames_ctx) { | |
| 462 | ✗ | FFHWFramesContext *src_ctx = | |
| 463 | ✗ | (FFHWFramesContext*)src->hw_frames_ctx->data; | |
| 464 | ✗ | FFHWFramesContext *dst_ctx = | |
| 465 | ✗ | (FFHWFramesContext*)dst->hw_frames_ctx->data; | |
| 466 | |||
| 467 | ✗ | if (src_ctx->source_frames) { | |
| 468 | ✗ | av_log(src_ctx, AV_LOG_ERROR, | |
| 469 | "A device with a derived frame context cannot be used as " | ||
| 470 | "the source of a HW -> HW transfer."); | ||
| 471 | ✗ | return AVERROR(ENOSYS); | |
| 472 | } | ||
| 473 | |||
| 474 | ✗ | if (dst_ctx->source_frames) { | |
| 475 | ✗ | av_log(src_ctx, AV_LOG_ERROR, | |
| 476 | "A device with a derived frame context cannot be used as " | ||
| 477 | "the destination of a HW -> HW transfer."); | ||
| 478 | ✗ | return AVERROR(ENOSYS); | |
| 479 | } | ||
| 480 | |||
| 481 | ✗ | ret = src_ctx->hw_type->transfer_data_from(&src_ctx->p, dst, src); | |
| 482 | ✗ | if (ret == AVERROR(ENOSYS)) | |
| 483 | ✗ | ret = dst_ctx->hw_type->transfer_data_to(&dst_ctx->p, dst, src); | |
| 484 | ✗ | if (ret < 0) | |
| 485 | ✗ | return ret; | |
| 486 | } else { | ||
| 487 | ✗ | if (src->hw_frames_ctx) { | |
| 488 | ✗ | FFHWFramesContext *ctx = (FFHWFramesContext*)src->hw_frames_ctx->data; | |
| 489 | |||
| 490 | ✗ | ret = ctx->hw_type->transfer_data_from(&ctx->p, dst, src); | |
| 491 | ✗ | if (ret < 0) | |
| 492 | ✗ | return ret; | |
| 493 | ✗ | } else if (dst->hw_frames_ctx) { | |
| 494 | ✗ | FFHWFramesContext *ctx = (FFHWFramesContext*)dst->hw_frames_ctx->data; | |
| 495 | |||
| 496 | ✗ | ret = ctx->hw_type->transfer_data_to(&ctx->p, dst, src); | |
| 497 | ✗ | if (ret < 0) | |
| 498 | ✗ | return ret; | |
| 499 | } else { | ||
| 500 | ✗ | return AVERROR(ENOSYS); | |
| 501 | } | ||
| 502 | } | ||
| 503 | ✗ | return 0; | |
| 504 | } | ||
| 505 | |||
| 506 | ✗ | int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags) | |
| 507 | { | ||
| 508 | ✗ | FFHWFramesContext *ctxi = (FFHWFramesContext*)hwframe_ref->data; | |
| 509 | ✗ | AVHWFramesContext *ctx = &ctxi->p; | |
| 510 | int ret; | ||
| 511 | |||
| 512 | ✗ | if (ctxi->source_frames) { | |
| 513 | // This is a derived frame context, so we allocate in the source | ||
| 514 | // and map the frame immediately. | ||
| 515 | AVFrame *src_frame; | ||
| 516 | |||
| 517 | ✗ | frame->format = ctx->format; | |
| 518 | ✗ | frame->hw_frames_ctx = av_buffer_ref(hwframe_ref); | |
| 519 | ✗ | if (!frame->hw_frames_ctx) | |
| 520 | ✗ | return AVERROR(ENOMEM); | |
| 521 | |||
| 522 | ✗ | src_frame = av_frame_alloc(); | |
| 523 | ✗ | if (!src_frame) | |
| 524 | ✗ | return AVERROR(ENOMEM); | |
| 525 | |||
| 526 | ✗ | ret = av_hwframe_get_buffer(ctxi->source_frames, | |
| 527 | src_frame, 0); | ||
| 528 | ✗ | if (ret < 0) { | |
| 529 | ✗ | av_frame_free(&src_frame); | |
| 530 | ✗ | return ret; | |
| 531 | } | ||
| 532 | |||
| 533 | ✗ | ret = av_hwframe_map(frame, src_frame, | |
| 534 | ctxi->source_allocation_map_flags); | ||
| 535 | ✗ | if (ret) { | |
| 536 | ✗ | av_log(ctx, AV_LOG_ERROR, "Failed to map frame into derived " | |
| 537 | "frame context: %d.\n", ret); | ||
| 538 | ✗ | av_frame_free(&src_frame); | |
| 539 | ✗ | return ret; | |
| 540 | } | ||
| 541 | |||
| 542 | // Free the source frame immediately - the mapped frame still | ||
| 543 | // contains a reference to it. | ||
| 544 | ✗ | av_frame_free(&src_frame); | |
| 545 | |||
| 546 | ✗ | return 0; | |
| 547 | } | ||
| 548 | |||
| 549 | ✗ | if (!ctxi->hw_type->frames_get_buffer) | |
| 550 | ✗ | return AVERROR(ENOSYS); | |
| 551 | |||
| 552 | ✗ | if (!ctx->pool) | |
| 553 | ✗ | return AVERROR(EINVAL); | |
| 554 | |||
| 555 | ✗ | frame->hw_frames_ctx = av_buffer_ref(hwframe_ref); | |
| 556 | ✗ | if (!frame->hw_frames_ctx) | |
| 557 | ✗ | return AVERROR(ENOMEM); | |
| 558 | |||
| 559 | ✗ | ret = ctxi->hw_type->frames_get_buffer(ctx, frame); | |
| 560 | ✗ | if (ret < 0) { | |
| 561 | ✗ | av_buffer_unref(&frame->hw_frames_ctx); | |
| 562 | ✗ | return ret; | |
| 563 | } | ||
| 564 | |||
| 565 | ✗ | frame->extended_data = frame->data; | |
| 566 | |||
| 567 | ✗ | return 0; | |
| 568 | } | ||
| 569 | |||
| 570 | ✗ | void *av_hwdevice_hwconfig_alloc(AVBufferRef *ref) | |
| 571 | { | ||
| 572 | ✗ | FFHWDeviceContext *ctx = (FFHWDeviceContext*)ref->data; | |
| 573 | ✗ | const HWContextType *hw_type = ctx->hw_type; | |
| 574 | |||
| 575 | ✗ | if (hw_type->device_hwconfig_size == 0) | |
| 576 | ✗ | return NULL; | |
| 577 | |||
| 578 | ✗ | return av_mallocz(hw_type->device_hwconfig_size); | |
| 579 | } | ||
| 580 | |||
| 581 | ✗ | AVHWFramesConstraints *av_hwdevice_get_hwframe_constraints(AVBufferRef *ref, | |
| 582 | const void *hwconfig) | ||
| 583 | { | ||
| 584 | ✗ | FFHWDeviceContext *ctx = (FFHWDeviceContext*)ref->data; | |
| 585 | ✗ | const HWContextType *hw_type = ctx->hw_type; | |
| 586 | AVHWFramesConstraints *constraints; | ||
| 587 | |||
| 588 | ✗ | if (!hw_type->frames_get_constraints) | |
| 589 | ✗ | return NULL; | |
| 590 | |||
| 591 | ✗ | constraints = av_mallocz(sizeof(*constraints)); | |
| 592 | ✗ | if (!constraints) | |
| 593 | ✗ | return NULL; | |
| 594 | |||
| 595 | ✗ | constraints->min_width = constraints->min_height = 0; | |
| 596 | ✗ | constraints->max_width = constraints->max_height = INT_MAX; | |
| 597 | |||
| 598 | ✗ | if (hw_type->frames_get_constraints(&ctx->p, hwconfig, constraints) >= 0) { | |
| 599 | ✗ | return constraints; | |
| 600 | } else { | ||
| 601 | ✗ | av_hwframe_constraints_free(&constraints); | |
| 602 | ✗ | return NULL; | |
| 603 | } | ||
| 604 | } | ||
| 605 | |||
| 606 | 2 | void av_hwframe_constraints_free(AVHWFramesConstraints **constraints) | |
| 607 | { | ||
| 608 |
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|
2 | if (*constraints) { |
| 609 | ✗ | av_freep(&(*constraints)->valid_hw_formats); | |
| 610 | ✗ | av_freep(&(*constraints)->valid_sw_formats); | |
| 611 | } | ||
| 612 | 2 | av_freep(constraints); | |
| 613 | 2 | } | |
| 614 | |||
| 615 | ✗ | int av_hwdevice_ctx_create(AVBufferRef **pdevice_ref, enum AVHWDeviceType type, | |
| 616 | const char *device, AVDictionary *opts, int flags) | ||
| 617 | { | ||
| 618 | ✗ | AVBufferRef *device_ref = NULL; | |
| 619 | FFHWDeviceContext *device_ctx; | ||
| 620 | ✗ | int ret = 0; | |
| 621 | |||
| 622 | ✗ | device_ref = av_hwdevice_ctx_alloc(type); | |
| 623 | ✗ | if (!device_ref) { | |
| 624 | ✗ | ret = AVERROR(ENOMEM); | |
| 625 | ✗ | goto fail; | |
| 626 | } | ||
| 627 | ✗ | device_ctx = (FFHWDeviceContext*)device_ref->data; | |
| 628 | |||
| 629 | ✗ | if (!device_ctx->hw_type->device_create) { | |
| 630 | ✗ | ret = AVERROR(ENOSYS); | |
| 631 | ✗ | goto fail; | |
| 632 | } | ||
| 633 | |||
| 634 | ✗ | ret = device_ctx->hw_type->device_create(&device_ctx->p, device, | |
| 635 | opts, flags); | ||
| 636 | ✗ | if (ret < 0) | |
| 637 | ✗ | goto fail; | |
| 638 | |||
| 639 | ✗ | ret = av_hwdevice_ctx_init(device_ref); | |
| 640 | ✗ | if (ret < 0) | |
| 641 | ✗ | goto fail; | |
| 642 | |||
| 643 | ✗ | *pdevice_ref = device_ref; | |
| 644 | ✗ | return 0; | |
| 645 | ✗ | fail: | |
| 646 | ✗ | av_buffer_unref(&device_ref); | |
| 647 | ✗ | *pdevice_ref = NULL; | |
| 648 | ✗ | return ret; | |
| 649 | } | ||
| 650 | |||
| 651 | ✗ | int av_hwdevice_ctx_create_derived_opts(AVBufferRef **dst_ref_ptr, | |
| 652 | enum AVHWDeviceType type, | ||
| 653 | AVBufferRef *src_ref, | ||
| 654 | AVDictionary *options, int flags) | ||
| 655 | { | ||
| 656 | ✗ | AVBufferRef *dst_ref = NULL, *tmp_ref; | |
| 657 | FFHWDeviceContext *dst_ctx; | ||
| 658 | ✗ | int ret = 0; | |
| 659 | |||
| 660 | ✗ | tmp_ref = src_ref; | |
| 661 | ✗ | while (tmp_ref) { | |
| 662 | ✗ | FFHWDeviceContext *tmp_ctx = (FFHWDeviceContext*)tmp_ref->data; | |
| 663 | ✗ | if (tmp_ctx->p.type == type) { | |
| 664 | ✗ | dst_ref = av_buffer_ref(tmp_ref); | |
| 665 | ✗ | if (!dst_ref) { | |
| 666 | ✗ | ret = AVERROR(ENOMEM); | |
| 667 | ✗ | goto fail; | |
| 668 | } | ||
| 669 | ✗ | goto done; | |
| 670 | } | ||
| 671 | ✗ | tmp_ref = tmp_ctx->source_device; | |
| 672 | } | ||
| 673 | |||
| 674 | ✗ | dst_ref = av_hwdevice_ctx_alloc(type); | |
| 675 | ✗ | if (!dst_ref) { | |
| 676 | ✗ | ret = AVERROR(ENOMEM); | |
| 677 | ✗ | goto fail; | |
| 678 | } | ||
| 679 | ✗ | dst_ctx = (FFHWDeviceContext*)dst_ref->data; | |
| 680 | |||
| 681 | ✗ | tmp_ref = src_ref; | |
| 682 | ✗ | while (tmp_ref) { | |
| 683 | ✗ | FFHWDeviceContext *tmp_ctx = (FFHWDeviceContext*)tmp_ref->data; | |
| 684 | ✗ | if (dst_ctx->hw_type->device_derive) { | |
| 685 | ✗ | ret = dst_ctx->hw_type->device_derive(&dst_ctx->p, | |
| 686 | &tmp_ctx->p, | ||
| 687 | options, flags); | ||
| 688 | ✗ | if (ret == 0) { | |
| 689 | ✗ | dst_ctx->source_device = av_buffer_ref(src_ref); | |
| 690 | ✗ | if (!dst_ctx->source_device) { | |
| 691 | ✗ | ret = AVERROR(ENOMEM); | |
| 692 | ✗ | goto fail; | |
| 693 | } | ||
| 694 | ✗ | ret = av_hwdevice_ctx_init(dst_ref); | |
| 695 | ✗ | if (ret < 0) | |
| 696 | ✗ | goto fail; | |
| 697 | ✗ | goto done; | |
| 698 | } | ||
| 699 | ✗ | if (ret != AVERROR(ENOSYS)) | |
| 700 | ✗ | goto fail; | |
| 701 | } | ||
| 702 | ✗ | tmp_ref = tmp_ctx->source_device; | |
| 703 | } | ||
| 704 | |||
| 705 | ✗ | ret = AVERROR(ENOSYS); | |
| 706 | ✗ | goto fail; | |
| 707 | |||
| 708 | ✗ | done: | |
| 709 | ✗ | *dst_ref_ptr = dst_ref; | |
| 710 | ✗ | return 0; | |
| 711 | |||
| 712 | ✗ | fail: | |
| 713 | ✗ | av_buffer_unref(&dst_ref); | |
| 714 | ✗ | *dst_ref_ptr = NULL; | |
| 715 | ✗ | return ret; | |
| 716 | } | ||
| 717 | |||
| 718 | ✗ | int av_hwdevice_ctx_create_derived(AVBufferRef **dst_ref_ptr, | |
| 719 | enum AVHWDeviceType type, | ||
| 720 | AVBufferRef *src_ref, int flags) | ||
| 721 | { | ||
| 722 | ✗ | return av_hwdevice_ctx_create_derived_opts(dst_ref_ptr, type, src_ref, | |
| 723 | NULL, flags); | ||
| 724 | } | ||
| 725 | |||
| 726 | ✗ | static void ff_hwframe_unmap(void *opaque, uint8_t *data) | |
| 727 | { | ||
| 728 | ✗ | HWMapDescriptor *hwmap = (HWMapDescriptor*)data; | |
| 729 | ✗ | AVHWFramesContext *ctx = opaque; | |
| 730 | |||
| 731 | ✗ | if (hwmap->unmap) | |
| 732 | ✗ | hwmap->unmap(ctx, hwmap); | |
| 733 | |||
| 734 | ✗ | av_frame_free(&hwmap->source); | |
| 735 | |||
| 736 | ✗ | av_buffer_unref(&hwmap->hw_frames_ctx); | |
| 737 | |||
| 738 | ✗ | av_free(hwmap); | |
| 739 | ✗ | } | |
| 740 | |||
| 741 | ✗ | int ff_hwframe_map_create(AVBufferRef *hwframe_ref, | |
| 742 | AVFrame *dst, const AVFrame *src, | ||
| 743 | void (*unmap)(AVHWFramesContext *ctx, | ||
| 744 | HWMapDescriptor *hwmap), | ||
| 745 | void *priv) | ||
| 746 | { | ||
| 747 | ✗ | AVHWFramesContext *ctx = (AVHWFramesContext*)hwframe_ref->data; | |
| 748 | HWMapDescriptor *hwmap; | ||
| 749 | int ret; | ||
| 750 | |||
| 751 | ✗ | hwmap = av_mallocz(sizeof(*hwmap)); | |
| 752 | ✗ | if (!hwmap) { | |
| 753 | ✗ | ret = AVERROR(ENOMEM); | |
| 754 | ✗ | goto fail; | |
| 755 | } | ||
| 756 | |||
| 757 | ✗ | hwmap->source = av_frame_alloc(); | |
| 758 | ✗ | if (!hwmap->source) { | |
| 759 | ✗ | ret = AVERROR(ENOMEM); | |
| 760 | ✗ | goto fail; | |
| 761 | } | ||
| 762 | ✗ | ret = av_frame_ref(hwmap->source, src); | |
| 763 | ✗ | if (ret < 0) | |
| 764 | ✗ | goto fail; | |
| 765 | |||
| 766 | ✗ | hwmap->hw_frames_ctx = av_buffer_ref(hwframe_ref); | |
| 767 | ✗ | if (!hwmap->hw_frames_ctx) { | |
| 768 | ✗ | ret = AVERROR(ENOMEM); | |
| 769 | ✗ | goto fail; | |
| 770 | } | ||
| 771 | |||
| 772 | ✗ | hwmap->unmap = unmap; | |
| 773 | ✗ | hwmap->priv = priv; | |
| 774 | |||
| 775 | ✗ | dst->buf[0] = av_buffer_create((uint8_t*)hwmap, sizeof(*hwmap), | |
| 776 | &ff_hwframe_unmap, ctx, 0); | ||
| 777 | ✗ | if (!dst->buf[0]) { | |
| 778 | ✗ | ret = AVERROR(ENOMEM); | |
| 779 | ✗ | goto fail; | |
| 780 | } | ||
| 781 | |||
| 782 | ✗ | return 0; | |
| 783 | |||
| 784 | ✗ | fail: | |
| 785 | ✗ | if (hwmap) { | |
| 786 | ✗ | av_buffer_unref(&hwmap->hw_frames_ctx); | |
| 787 | ✗ | av_frame_free(&hwmap->source); | |
| 788 | } | ||
| 789 | ✗ | av_free(hwmap); | |
| 790 | ✗ | return ret; | |
| 791 | } | ||
| 792 | |||
| 793 | ✗ | int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags) | |
| 794 | { | ||
| 795 | ✗ | AVBufferRef *orig_dst_frames = dst->hw_frames_ctx; | |
| 796 | ✗ | enum AVPixelFormat orig_dst_fmt = dst->format; | |
| 797 | HWMapDescriptor *hwmap; | ||
| 798 | int ret; | ||
| 799 | |||
| 800 | ✗ | if (src->hw_frames_ctx && dst->hw_frames_ctx) { | |
| 801 | ✗ | FFHWFramesContext *src_frames = (FFHWFramesContext*)src->hw_frames_ctx->data; | |
| 802 | ✗ | FFHWFramesContext *dst_frames = (FFHWFramesContext*)dst->hw_frames_ctx->data; | |
| 803 | |||
| 804 | ✗ | if ((src_frames == dst_frames && | |
| 805 | ✗ | src->format == dst_frames->p.sw_format && | |
| 806 | ✗ | dst->format == dst_frames->p.format) || | |
| 807 | ✗ | (src_frames->source_frames && | |
| 808 | ✗ | src_frames->source_frames->data == | |
| 809 | (uint8_t*)dst_frames)) { | ||
| 810 | // This is an unmap operation. We don't need to directly | ||
| 811 | // do anything here other than fill in the original frame, | ||
| 812 | // because the real unmap will be invoked when the last | ||
| 813 | // reference to the mapped frame disappears. | ||
| 814 | ✗ | if (!src->buf[0]) { | |
| 815 | ✗ | av_log(src_frames, AV_LOG_ERROR, "Invalid mapping " | |
| 816 | "found when attempting unmap.\n"); | ||
| 817 | ✗ | return AVERROR(EINVAL); | |
| 818 | } | ||
| 819 | ✗ | hwmap = (HWMapDescriptor*)src->buf[0]->data; | |
| 820 | ✗ | return av_frame_replace(dst, hwmap->source); | |
| 821 | } | ||
| 822 | } | ||
| 823 | |||
| 824 | ✗ | if (src->hw_frames_ctx) { | |
| 825 | ✗ | FFHWFramesContext *src_frames = (FFHWFramesContext*)src->hw_frames_ctx->data; | |
| 826 | |||
| 827 | ✗ | if (src_frames->p.format == src->format && | |
| 828 | ✗ | src_frames->hw_type->map_from) { | |
| 829 | ✗ | ret = src_frames->hw_type->map_from(&src_frames->p, | |
| 830 | dst, src, flags); | ||
| 831 | ✗ | if (ret >= 0) | |
| 832 | ✗ | return ret; | |
| 833 | ✗ | else if (ret != AVERROR(ENOSYS)) | |
| 834 | ✗ | goto fail; | |
| 835 | } | ||
| 836 | } | ||
| 837 | |||
| 838 | ✗ | if (dst->hw_frames_ctx) { | |
| 839 | ✗ | FFHWFramesContext *dst_frames = (FFHWFramesContext*)dst->hw_frames_ctx->data; | |
| 840 | |||
| 841 | ✗ | if (dst_frames->p.format == dst->format && | |
| 842 | ✗ | dst_frames->hw_type->map_to) { | |
| 843 | ✗ | ret = dst_frames->hw_type->map_to(&dst_frames->p, | |
| 844 | dst, src, flags); | ||
| 845 | ✗ | if (ret >= 0) | |
| 846 | ✗ | return ret; | |
| 847 | ✗ | else if (ret != AVERROR(ENOSYS)) | |
| 848 | ✗ | goto fail; | |
| 849 | } | ||
| 850 | } | ||
| 851 | |||
| 852 | ✗ | return AVERROR(ENOSYS); | |
| 853 | |||
| 854 | ✗ | fail: | |
| 855 | // if the caller provided dst frames context, it should be preserved | ||
| 856 | // by this function | ||
| 857 | ✗ | av_assert0(orig_dst_frames == NULL || | |
| 858 | orig_dst_frames == dst->hw_frames_ctx); | ||
| 859 | |||
| 860 | // preserve user-provided dst frame fields, but clean | ||
| 861 | // anything we might have set | ||
| 862 | ✗ | dst->hw_frames_ctx = NULL; | |
| 863 | ✗ | av_frame_unref(dst); | |
| 864 | |||
| 865 | ✗ | dst->hw_frames_ctx = orig_dst_frames; | |
| 866 | ✗ | dst->format = orig_dst_fmt; | |
| 867 | |||
| 868 | ✗ | return ret; | |
| 869 | } | ||
| 870 | |||
| 871 | ✗ | int av_hwframe_ctx_create_derived(AVBufferRef **derived_frame_ctx, | |
| 872 | enum AVPixelFormat format, | ||
| 873 | AVBufferRef *derived_device_ctx, | ||
| 874 | AVBufferRef *source_frame_ctx, | ||
| 875 | int flags) | ||
| 876 | { | ||
| 877 | ✗ | AVBufferRef *dst_ref = NULL; | |
| 878 | ✗ | FFHWFramesContext *dsti = NULL; | |
| 879 | ✗ | FFHWFramesContext *srci = (FFHWFramesContext*)source_frame_ctx->data; | |
| 880 | ✗ | AVHWFramesContext *dst, *src = &srci->p; | |
| 881 | int ret; | ||
| 882 | |||
| 883 | ✗ | if (srci->source_frames) { | |
| 884 | ✗ | AVHWFramesContext *src_src = | |
| 885 | ✗ | (AVHWFramesContext*)srci->source_frames->data; | |
| 886 | ✗ | AVHWDeviceContext *dst_dev = | |
| 887 | (AVHWDeviceContext*)derived_device_ctx->data; | ||
| 888 | |||
| 889 | ✗ | if (src_src->device_ctx == dst_dev) { | |
| 890 | // This is actually an unmapping, so we just return a | ||
| 891 | // reference to the source frame context. | ||
| 892 | ✗ | *derived_frame_ctx = av_buffer_ref(srci->source_frames); | |
| 893 | ✗ | if (!*derived_frame_ctx) { | |
| 894 | ✗ | ret = AVERROR(ENOMEM); | |
| 895 | ✗ | goto fail; | |
| 896 | } | ||
| 897 | ✗ | return 0; | |
| 898 | } | ||
| 899 | } | ||
| 900 | |||
| 901 | ✗ | dst_ref = av_hwframe_ctx_alloc(derived_device_ctx); | |
| 902 | ✗ | if (!dst_ref) { | |
| 903 | ✗ | ret = AVERROR(ENOMEM); | |
| 904 | ✗ | goto fail; | |
| 905 | } | ||
| 906 | |||
| 907 | ✗ | dsti = (FFHWFramesContext*)dst_ref->data; | |
| 908 | ✗ | dst = &dsti->p; | |
| 909 | |||
| 910 | ✗ | dst->format = format; | |
| 911 | ✗ | dst->sw_format = src->sw_format; | |
| 912 | ✗ | dst->width = src->width; | |
| 913 | ✗ | dst->height = src->height; | |
| 914 | |||
| 915 | ✗ | dsti->source_frames = av_buffer_ref(source_frame_ctx); | |
| 916 | ✗ | if (!dsti->source_frames) { | |
| 917 | ✗ | ret = AVERROR(ENOMEM); | |
| 918 | ✗ | goto fail; | |
| 919 | } | ||
| 920 | |||
| 921 | ✗ | dsti->source_allocation_map_flags = | |
| 922 | ✗ | flags & (AV_HWFRAME_MAP_READ | | |
| 923 | AV_HWFRAME_MAP_WRITE | | ||
| 924 | AV_HWFRAME_MAP_OVERWRITE | | ||
| 925 | AV_HWFRAME_MAP_DIRECT); | ||
| 926 | |||
| 927 | ✗ | ret = AVERROR(ENOSYS); | |
| 928 | ✗ | if (srci->hw_type->frames_derive_from) | |
| 929 | ✗ | ret = srci->hw_type->frames_derive_from(dst, src, flags); | |
| 930 | ✗ | if (ret == AVERROR(ENOSYS) && | |
| 931 | ✗ | dsti->hw_type->frames_derive_to) | |
| 932 | ✗ | ret = dsti->hw_type->frames_derive_to(dst, src, flags); | |
| 933 | ✗ | if (ret == AVERROR(ENOSYS)) | |
| 934 | ✗ | ret = 0; | |
| 935 | ✗ | if (ret) | |
| 936 | ✗ | goto fail; | |
| 937 | |||
| 938 | ✗ | *derived_frame_ctx = dst_ref; | |
| 939 | ✗ | return 0; | |
| 940 | |||
| 941 | ✗ | fail: | |
| 942 | ✗ | if (dsti) | |
| 943 | ✗ | av_buffer_unref(&dsti->source_frames); | |
| 944 | ✗ | av_buffer_unref(&dst_ref); | |
| 945 | ✗ | return ret; | |
| 946 | } | ||
| 947 | |||
| 948 | ✗ | int ff_hwframe_map_replace(AVFrame *dst, const AVFrame *src) | |
| 949 | { | ||
| 950 | ✗ | HWMapDescriptor *hwmap = (HWMapDescriptor*)dst->buf[0]->data; | |
| 951 | ✗ | return av_frame_replace(hwmap->source, src); | |
| 952 | } | ||
| 953 |