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path: root/libavutil/hwcontext_dxva2.c (plain)
blob: 4ed0d56aea7282e50e3a0edaa2a142eba1094e70
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 <windows.h>
20
21#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600
22#undef _WIN32_WINNT
23#define _WIN32_WINNT 0x0600
24#endif
25#define DXVA2API_USE_BITFIELDS
26#define COBJMACROS
27
28#include <d3d9.h>
29#include <dxva2api.h>
30#include <initguid.h>
31
32#include "avassert.h"
33#include "common.h"
34#include "hwcontext.h"
35#include "hwcontext_dxva2.h"
36#include "hwcontext_internal.h"
37#include "imgutils.h"
38#include "pixdesc.h"
39#include "pixfmt.h"
40#include "compat/w32dlfcn.h"
41
42typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
43typedef HRESULT WINAPI pDirect3DCreate9Ex(UINT, IDirect3D9Ex **);
44typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
45
46#define FF_D3DCREATE_FLAGS (D3DCREATE_SOFTWARE_VERTEXPROCESSING | \
47 D3DCREATE_MULTITHREADED | \
48 D3DCREATE_FPU_PRESERVE)
49
50static const D3DPRESENT_PARAMETERS dxva2_present_params = {
51 .Windowed = TRUE,
52 .BackBufferWidth = 640,
53 .BackBufferHeight = 480,
54 .BackBufferCount = 0,
55 .SwapEffect = D3DSWAPEFFECT_DISCARD,
56 .Flags = D3DPRESENTFLAG_VIDEO,
57};
58
59typedef struct DXVA2Mapping {
60 uint32_t palette_dummy[256];
61} DXVA2Mapping;
62
63typedef struct DXVA2FramesContext {
64 IDirect3DSurface9 **surfaces_internal;
65 int nb_surfaces_used;
66
67 HANDLE device_handle;
68 IDirectXVideoAccelerationService *service;
69
70 D3DFORMAT format;
71} DXVA2FramesContext;
72
73typedef struct DXVA2DevicePriv {
74 HMODULE d3dlib;
75 HMODULE dxva2lib;
76
77 HANDLE device_handle;
78
79 IDirect3D9 *d3d9;
80 IDirect3DDevice9 *d3d9device;
81} DXVA2DevicePriv;
82
83static const struct {
84 D3DFORMAT d3d_format;
85 enum AVPixelFormat pix_fmt;
86} supported_formats[] = {
87 { MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 },
88 { MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 },
89 { D3DFMT_P8, AV_PIX_FMT_PAL8 },
90};
91
92DEFINE_GUID(video_decoder_service, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
93DEFINE_GUID(video_processor_service, 0xfc51a552, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
94
95static void dxva2_frames_uninit(AVHWFramesContext *ctx)
96{
97 AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx;
98 AVDXVA2FramesContext *frames_hwctx = ctx->hwctx;
99 DXVA2FramesContext *s = ctx->internal->priv;
100 int i;
101
102 if (frames_hwctx->decoder_to_release)
103 IDirectXVideoDecoder_Release(frames_hwctx->decoder_to_release);
104
105 if (s->surfaces_internal) {
106 for (i = 0; i < frames_hwctx->nb_surfaces; i++) {
107 if (s->surfaces_internal[i])
108 IDirect3DSurface9_Release(s->surfaces_internal[i]);
109 }
110 }
111 av_freep(&s->surfaces_internal);
112
113 if (s->service) {
114 IDirectXVideoAccelerationService_Release(s->service);
115 s->service = NULL;
116 }
117
118 if (s->device_handle != INVALID_HANDLE_VALUE) {
119 IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, s->device_handle);
120 s->device_handle = INVALID_HANDLE_VALUE;
121 }
122}
123
124static AVBufferRef *dxva2_pool_alloc(void *opaque, int size)
125{
126 AVHWFramesContext *ctx = (AVHWFramesContext*)opaque;
127 DXVA2FramesContext *s = ctx->internal->priv;
128 AVDXVA2FramesContext *hwctx = ctx->hwctx;
129
130 if (s->nb_surfaces_used < hwctx->nb_surfaces) {
131 s->nb_surfaces_used++;
132 return av_buffer_create((uint8_t*)s->surfaces_internal[s->nb_surfaces_used - 1],
133 sizeof(*hwctx->surfaces), NULL, 0, 0);
134 }
135
136 return NULL;
137}
138
139static int dxva2_init_pool(AVHWFramesContext *ctx)
140{
141 AVDXVA2FramesContext *frames_hwctx = ctx->hwctx;
142 AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx;
143 DXVA2FramesContext *s = ctx->internal->priv;
144 int decode = (frames_hwctx->surface_type == DXVA2_VideoDecoderRenderTarget);
145
146 int i;
147 HRESULT hr;
148
149 if (ctx->initial_pool_size <= 0)
150 return 0;
151
152 hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr, &s->device_handle);
153 if (FAILED(hr)) {
154 av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n");
155 return AVERROR_UNKNOWN;
156 }
157
158 hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr,
159 s->device_handle,
160 decode ? &video_decoder_service : &video_processor_service,
161 (void **)&s->service);
162 if (FAILED(hr)) {
163 av_log(ctx, AV_LOG_ERROR, "Failed to create the video service\n");
164 return AVERROR_UNKNOWN;
165 }
166
167 for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) {
168 if (ctx->sw_format == supported_formats[i].pix_fmt) {
169 s->format = supported_formats[i].d3d_format;
170 break;
171 }
172 }
173 if (i == FF_ARRAY_ELEMS(supported_formats)) {
174 av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format: %s\n",
175 av_get_pix_fmt_name(ctx->sw_format));
176 return AVERROR(EINVAL);
177 }
178
179 s->surfaces_internal = av_mallocz_array(ctx->initial_pool_size,
180 sizeof(*s->surfaces_internal));
181 if (!s->surfaces_internal)
182 return AVERROR(ENOMEM);
183
184 hr = IDirectXVideoAccelerationService_CreateSurface(s->service,
185 ctx->width, ctx->height,
186 ctx->initial_pool_size - 1,
187 s->format, D3DPOOL_DEFAULT, 0,
188 frames_hwctx->surface_type,
189 s->surfaces_internal, NULL);
190 if (FAILED(hr)) {
191 av_log(ctx, AV_LOG_ERROR, "Could not create the surfaces\n");
192 return AVERROR_UNKNOWN;
193 }
194
195 ctx->internal->pool_internal = av_buffer_pool_init2(sizeof(*s->surfaces_internal),
196 ctx, dxva2_pool_alloc, NULL);
197 if (!ctx->internal->pool_internal)
198 return AVERROR(ENOMEM);
199
200 frames_hwctx->surfaces = s->surfaces_internal;
201 frames_hwctx->nb_surfaces = ctx->initial_pool_size;
202
203 return 0;
204}
205
206static int dxva2_frames_init(AVHWFramesContext *ctx)
207{
208 AVDXVA2FramesContext *hwctx = ctx->hwctx;
209 DXVA2FramesContext *s = ctx->internal->priv;
210 int ret;
211
212 if (hwctx->surface_type != DXVA2_VideoDecoderRenderTarget &&
213 hwctx->surface_type != DXVA2_VideoProcessorRenderTarget) {
214 av_log(ctx, AV_LOG_ERROR, "Unknown surface type: %lu\n",
215 hwctx->surface_type);
216 return AVERROR(EINVAL);
217 }
218
219 s->device_handle = INVALID_HANDLE_VALUE;
220
221 /* init the frame pool if the caller didn't provide one */
222 if (!ctx->pool) {
223 ret = dxva2_init_pool(ctx);
224 if (ret < 0) {
225 av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n");
226 return ret;
227 }
228 }
229
230 return 0;
231}
232
233static int dxva2_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
234{
235 frame->buf[0] = av_buffer_pool_get(ctx->pool);
236 if (!frame->buf[0])
237 return AVERROR(ENOMEM);
238
239 frame->data[3] = frame->buf[0]->data;
240 frame->format = AV_PIX_FMT_DXVA2_VLD;
241 frame->width = ctx->width;
242 frame->height = ctx->height;
243
244 return 0;
245}
246
247static int dxva2_transfer_get_formats(AVHWFramesContext *ctx,
248 enum AVHWFrameTransferDirection dir,
249 enum AVPixelFormat **formats)
250{
251 enum AVPixelFormat *fmts;
252
253 fmts = av_malloc_array(2, sizeof(*fmts));
254 if (!fmts)
255 return AVERROR(ENOMEM);
256
257 fmts[0] = ctx->sw_format;
258 fmts[1] = AV_PIX_FMT_NONE;
259
260 *formats = fmts;
261
262 return 0;
263}
264
265static void dxva2_unmap_frame(AVHWFramesContext *ctx, HWMapDescriptor *hwmap)
266{
267 IDirect3DSurface9 *surface = (IDirect3DSurface9*)hwmap->source->data[3];
268 IDirect3DSurface9_UnlockRect(surface);
269 av_freep(&hwmap->priv);
270}
271
272static int dxva2_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src,
273 int flags)
274{
275 IDirect3DSurface9 *surface = (IDirect3DSurface9*)src->data[3];
276 DXVA2Mapping *map;
277 D3DSURFACE_DESC surfaceDesc;
278 D3DLOCKED_RECT LockedRect;
279 HRESULT hr;
280 int i, err, nb_planes;
281 int lock_flags = 0;
282
283 nb_planes = av_pix_fmt_count_planes(dst->format);
284
285 hr = IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
286 if (FAILED(hr)) {
287 av_log(ctx, AV_LOG_ERROR, "Error getting a surface description\n");
288 return AVERROR_UNKNOWN;
289 }
290
291 if (!(flags & AV_HWFRAME_MAP_WRITE))
292 lock_flags |= D3DLOCK_READONLY;
293 if (flags & AV_HWFRAME_MAP_OVERWRITE)
294 lock_flags |= D3DLOCK_DISCARD;
295
296 hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, lock_flags);
297 if (FAILED(hr)) {
298 av_log(ctx, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
299 return AVERROR_UNKNOWN;
300 }
301
302 map = av_mallocz(sizeof(*map));
303 if (!map)
304 goto fail;
305
306 err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src,
307 dxva2_unmap_frame, map);
308 if (err < 0) {
309 av_freep(&map);
310 goto fail;
311 }
312
313 for (i = 0; i < nb_planes; i++)
314 dst->linesize[i] = LockedRect.Pitch;
315
316 av_image_fill_pointers(dst->data, dst->format, surfaceDesc.Height,
317 (uint8_t*)LockedRect.pBits, dst->linesize);
318
319 if (dst->format == AV_PIX_FMT_PAL8)
320 dst->data[1] = (uint8_t*)map->palette_dummy;
321
322 return 0;
323fail:
324 IDirect3DSurface9_UnlockRect(surface);
325 return err;
326}
327
328static int dxva2_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
329 const AVFrame *src)
330{
331 AVFrame *map;
332 int ret;
333
334 if (src->format != ctx->sw_format)
335 return AVERROR(ENOSYS);
336
337 map = av_frame_alloc();
338 if (!map)
339 return AVERROR(ENOMEM);
340 map->format = dst->format;
341
342 ret = dxva2_map_frame(ctx, map, dst, AV_HWFRAME_MAP_WRITE | AV_HWFRAME_MAP_OVERWRITE);
343 if (ret < 0)
344 goto fail;
345
346 av_image_copy(map->data, map->linesize, src->data, src->linesize,
347 ctx->sw_format, src->width, src->height);
348
349fail:
350 av_frame_free(&map);
351 return ret;
352}
353
354static int dxva2_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst,
355 const AVFrame *src)
356{
357 AVFrame *map;
358 ptrdiff_t src_linesize[4], dst_linesize[4];
359 int ret, i;
360
361 if (dst->format != ctx->sw_format)
362 return AVERROR(ENOSYS);
363
364 map = av_frame_alloc();
365 if (!map)
366 return AVERROR(ENOMEM);
367 map->format = dst->format;
368
369 ret = dxva2_map_frame(ctx, map, src, AV_HWFRAME_MAP_READ);
370 if (ret < 0)
371 goto fail;
372
373 for (i = 0; i < 4; i++) {
374 dst_linesize[i] = dst->linesize[i];
375 src_linesize[i] = map->linesize[i];
376 }
377 av_image_copy_uc_from(dst->data, dst_linesize, map->data, src_linesize,
378 ctx->sw_format, src->width, src->height);
379fail:
380 av_frame_free(&map);
381 return ret;
382}
383
384static int dxva2_map_from(AVHWFramesContext *ctx,
385 AVFrame *dst, const AVFrame *src, int flags)
386{
387 int err;
388
389 if (dst->format != AV_PIX_FMT_NONE && dst->format != ctx->sw_format)
390 return AVERROR(ENOSYS);
391 dst->format = ctx->sw_format;
392
393 err = dxva2_map_frame(ctx, dst, src, flags);
394 if (err < 0)
395 return err;
396
397 err = av_frame_copy_props(dst, src);
398 if (err < 0)
399 return err;
400
401 return 0;
402}
403
404static void dxva2_device_free(AVHWDeviceContext *ctx)
405{
406 AVDXVA2DeviceContext *hwctx = ctx->hwctx;
407 DXVA2DevicePriv *priv = ctx->user_opaque;
408
409 if (hwctx->devmgr && priv->device_handle != INVALID_HANDLE_VALUE)
410 IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, priv->device_handle);
411
412 if (hwctx->devmgr)
413 IDirect3DDeviceManager9_Release(hwctx->devmgr);
414
415 if (priv->d3d9device)
416 IDirect3DDevice9_Release(priv->d3d9device);
417
418 if (priv->d3d9)
419 IDirect3D9_Release(priv->d3d9);
420
421 if (priv->d3dlib)
422 dlclose(priv->d3dlib);
423
424 if (priv->dxva2lib)
425 dlclose(priv->dxva2lib);
426
427 av_freep(&ctx->user_opaque);
428}
429
430static int dxva2_device_create9(AVHWDeviceContext *ctx, UINT adapter)
431{
432 DXVA2DevicePriv *priv = ctx->user_opaque;
433 D3DPRESENT_PARAMETERS d3dpp = dxva2_present_params;
434 D3DDISPLAYMODE d3ddm;
435 HRESULT hr;
436 pDirect3DCreate9 *createD3D = (pDirect3DCreate9 *)dlsym(priv->d3dlib, "Direct3DCreate9");
437 if (!createD3D) {
438 av_log(ctx, AV_LOG_ERROR, "Failed to locate Direct3DCreate9\n");
439 return AVERROR_UNKNOWN;
440 }
441
442 priv->d3d9 = createD3D(D3D_SDK_VERSION);
443 if (!priv->d3d9) {
444 av_log(ctx, AV_LOG_ERROR, "Failed to create IDirect3D object\n");
445 return AVERROR_UNKNOWN;
446 }
447
448 IDirect3D9_GetAdapterDisplayMode(priv->d3d9, adapter, &d3ddm);
449
450 d3dpp.BackBufferFormat = d3ddm.Format;
451
452 hr = IDirect3D9_CreateDevice(priv->d3d9, adapter, D3DDEVTYPE_HAL, GetDesktopWindow(),
453 FF_D3DCREATE_FLAGS,
454 &d3dpp, &priv->d3d9device);
455 if (FAILED(hr)) {
456 av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device\n");
457 return AVERROR_UNKNOWN;
458 }
459
460 return 0;
461}
462
463static int dxva2_device_create9ex(AVHWDeviceContext *ctx, UINT adapter)
464{
465 DXVA2DevicePriv *priv = ctx->user_opaque;
466 D3DPRESENT_PARAMETERS d3dpp = dxva2_present_params;
467 D3DDISPLAYMODEEX modeex = {0};
468 IDirect3D9Ex *d3d9ex = NULL;
469 IDirect3DDevice9Ex *exdev = NULL;
470 HRESULT hr;
471 pDirect3DCreate9Ex *createD3DEx = (pDirect3DCreate9Ex *)dlsym(priv->d3dlib, "Direct3DCreate9Ex");
472 if (!createD3DEx)
473 return AVERROR(ENOSYS);
474
475 hr = createD3DEx(D3D_SDK_VERSION, &d3d9ex);
476 if (FAILED(hr))
477 return AVERROR_UNKNOWN;
478
479 IDirect3D9Ex_GetAdapterDisplayModeEx(d3d9ex, adapter, &modeex, NULL);
480
481 d3dpp.BackBufferFormat = modeex.Format;
482
483 hr = IDirect3D9Ex_CreateDeviceEx(d3d9ex, adapter, D3DDEVTYPE_HAL, GetDesktopWindow(),
484 FF_D3DCREATE_FLAGS,
485 &d3dpp, NULL, &exdev);
486 if (FAILED(hr)) {
487 IDirect3D9Ex_Release(d3d9ex);
488 return AVERROR_UNKNOWN;
489 }
490
491 av_log(ctx, AV_LOG_VERBOSE, "Using D3D9Ex device.\n");
492 priv->d3d9 = (IDirect3D9 *)d3d9ex;
493 priv->d3d9device = (IDirect3DDevice9 *)exdev;
494 return 0;
495}
496
497static int dxva2_device_create(AVHWDeviceContext *ctx, const char *device,
498 AVDictionary *opts, int flags)
499{
500 AVDXVA2DeviceContext *hwctx = ctx->hwctx;
501 DXVA2DevicePriv *priv;
502 pCreateDeviceManager9 *createDeviceManager = NULL;
503 unsigned resetToken = 0;
504 UINT adapter = D3DADAPTER_DEFAULT;
505 HRESULT hr;
506 int err;
507
508 if (device)
509 adapter = atoi(device);
510
511 priv = av_mallocz(sizeof(*priv));
512 if (!priv)
513 return AVERROR(ENOMEM);
514
515 ctx->user_opaque = priv;
516 ctx->free = dxva2_device_free;
517
518 priv->device_handle = INVALID_HANDLE_VALUE;
519
520 priv->d3dlib = dlopen("d3d9.dll", 0);
521 if (!priv->d3dlib) {
522 av_log(ctx, AV_LOG_ERROR, "Failed to load D3D9 library\n");
523 return AVERROR_UNKNOWN;
524 }
525 priv->dxva2lib = dlopen("dxva2.dll", 0);
526 if (!priv->dxva2lib) {
527 av_log(ctx, AV_LOG_ERROR, "Failed to load DXVA2 library\n");
528 return AVERROR_UNKNOWN;
529 }
530
531 createDeviceManager = (pCreateDeviceManager9 *)dlsym(priv->dxva2lib,
532 "DXVA2CreateDirect3DDeviceManager9");
533 if (!createDeviceManager) {
534 av_log(ctx, AV_LOG_ERROR, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
535 return AVERROR_UNKNOWN;
536 }
537
538 if (dxva2_device_create9ex(ctx, adapter) < 0) {
539 // Retry with "classic" d3d9
540 err = dxva2_device_create9(ctx, adapter);
541 if (err < 0)
542 return err;
543 }
544
545 hr = createDeviceManager(&resetToken, &hwctx->devmgr);
546 if (FAILED(hr)) {
547 av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device manager\n");
548 return AVERROR_UNKNOWN;
549 }
550
551 hr = IDirect3DDeviceManager9_ResetDevice(hwctx->devmgr, priv->d3d9device, resetToken);
552 if (FAILED(hr)) {
553 av_log(ctx, AV_LOG_ERROR, "Failed to bind Direct3D device to device manager\n");
554 return AVERROR_UNKNOWN;
555 }
556
557 hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &priv->device_handle);
558 if (FAILED(hr)) {
559 av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n");
560 return AVERROR_UNKNOWN;
561 }
562
563 return 0;
564}
565
566const HWContextType ff_hwcontext_type_dxva2 = {
567 .type = AV_HWDEVICE_TYPE_DXVA2,
568 .name = "DXVA2",
569
570 .device_hwctx_size = sizeof(AVDXVA2DeviceContext),
571 .frames_hwctx_size = sizeof(AVDXVA2FramesContext),
572 .frames_priv_size = sizeof(DXVA2FramesContext),
573
574 .device_create = dxva2_device_create,
575 .frames_init = dxva2_frames_init,
576 .frames_uninit = dxva2_frames_uninit,
577 .frames_get_buffer = dxva2_get_buffer,
578 .transfer_get_formats = dxva2_transfer_get_formats,
579 .transfer_data_to = dxva2_transfer_data_to,
580 .transfer_data_from = dxva2_transfer_data_from,
581 .map_from = dxva2_map_from,
582
583 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_DXVA2_VLD, AV_PIX_FMT_NONE },
584};
585
generated by cgit at 2024-05-17 04:12:01 (GMT)