FFmpeg  4.0
hwcontext_dxva2.c
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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
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8  *
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12  * Lesser General Public License for more details.
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16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include <windows.h>
20 
21 #define DXVA2API_USE_BITFIELDS
22 #define COBJMACROS
23 
24 #include <d3d9.h>
25 #include <dxva2api.h>
26 #include <initguid.h>
27 
28 #include "avassert.h"
29 #include "common.h"
30 #include "hwcontext.h"
31 #include "hwcontext_dxva2.h"
32 #include "hwcontext_internal.h"
33 #include "imgutils.h"
34 #include "pixdesc.h"
35 #include "pixfmt.h"
36 #include "compat/w32dlfcn.h"
37 
38 typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
39 typedef HRESULT WINAPI pDirect3DCreate9Ex(UINT, IDirect3D9Ex **);
40 typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
41 
42 #define FF_D3DCREATE_FLAGS (D3DCREATE_SOFTWARE_VERTEXPROCESSING | \
43  D3DCREATE_MULTITHREADED | \
44  D3DCREATE_FPU_PRESERVE)
45 
46 static const D3DPRESENT_PARAMETERS dxva2_present_params = {
47  .Windowed = TRUE,
48  .BackBufferWidth = 640,
49  .BackBufferHeight = 480,
50  .BackBufferCount = 0,
51  .SwapEffect = D3DSWAPEFFECT_DISCARD,
52  .Flags = D3DPRESENTFLAG_VIDEO,
53 };
54 
55 typedef struct DXVA2Mapping {
56  uint32_t palette_dummy[256];
57 } DXVA2Mapping;
58 
59 typedef struct DXVA2FramesContext {
60  IDirect3DSurface9 **surfaces_internal;
62 
64  IDirectXVideoAccelerationService *service;
65 
66  D3DFORMAT format;
68 
69 typedef struct DXVA2DevicePriv {
72 
74 
75  IDirect3D9 *d3d9;
76  IDirect3DDevice9 *d3d9device;
78 
79 static const struct {
80  D3DFORMAT d3d_format;
82 } supported_formats[] = {
83  { MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 },
84  { MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 },
85  { D3DFMT_P8, AV_PIX_FMT_PAL8 },
86 };
87 
88 DEFINE_GUID(video_decoder_service, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
89 DEFINE_GUID(video_processor_service, 0xfc51a552, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
90 
92 {
93  AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx;
94  AVDXVA2FramesContext *frames_hwctx = ctx->hwctx;
96  int i;
97 
98  if (frames_hwctx->decoder_to_release)
99  IDirectXVideoDecoder_Release(frames_hwctx->decoder_to_release);
100 
101  if (s->surfaces_internal) {
102  for (i = 0; i < frames_hwctx->nb_surfaces; i++) {
103  if (s->surfaces_internal[i])
104  IDirect3DSurface9_Release(s->surfaces_internal[i]);
105  }
106  }
108 
109  if (s->service) {
110  IDirectXVideoAccelerationService_Release(s->service);
111  s->service = NULL;
112  }
113 
115  IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, s->device_handle);
117  }
118 }
119 
120 static void dxva2_pool_release_dummy(void *opaque, uint8_t *data)
121 {
122  // important not to free anything here--data is a surface object
123  // associated with the call to CreateSurface(), and these surfaces are
124  // released in dxva2_frames_uninit()
125 }
126 
127 static AVBufferRef *dxva2_pool_alloc(void *opaque, int size)
128 {
131  AVDXVA2FramesContext *hwctx = ctx->hwctx;
132 
133  if (s->nb_surfaces_used < hwctx->nb_surfaces) {
134  s->nb_surfaces_used++;
136  sizeof(*hwctx->surfaces), dxva2_pool_release_dummy, 0, 0);
137  }
138 
139  return NULL;
140 }
141 
143 {
144  AVDXVA2FramesContext *frames_hwctx = ctx->hwctx;
145  AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx;
147  int decode = (frames_hwctx->surface_type == DXVA2_VideoDecoderRenderTarget);
148 
149  int i;
150  HRESULT hr;
151 
152  if (ctx->initial_pool_size <= 0)
153  return 0;
154 
155  hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr, &s->device_handle);
156  if (FAILED(hr)) {
157  av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n");
158  return AVERROR_UNKNOWN;
159  }
160 
161  hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr,
162  s->device_handle,
163  decode ? &video_decoder_service : &video_processor_service,
164  (void **)&s->service);
165  if (FAILED(hr)) {
166  av_log(ctx, AV_LOG_ERROR, "Failed to create the video service\n");
167  return AVERROR_UNKNOWN;
168  }
169 
170  for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) {
171  if (ctx->sw_format == supported_formats[i].pix_fmt) {
172  s->format = supported_formats[i].d3d_format;
173  break;
174  }
175  }
176  if (i == FF_ARRAY_ELEMS(supported_formats)) {
177  av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format: %s\n",
179  return AVERROR(EINVAL);
180  }
181 
183  sizeof(*s->surfaces_internal));
184  if (!s->surfaces_internal)
185  return AVERROR(ENOMEM);
186 
187  hr = IDirectXVideoAccelerationService_CreateSurface(s->service,
188  ctx->width, ctx->height,
189  ctx->initial_pool_size - 1,
190  s->format, D3DPOOL_DEFAULT, 0,
191  frames_hwctx->surface_type,
192  s->surfaces_internal, NULL);
193  if (FAILED(hr)) {
194  av_log(ctx, AV_LOG_ERROR, "Could not create the surfaces\n");
195  return AVERROR_UNKNOWN;
196  }
197 
199  ctx, dxva2_pool_alloc, NULL);
200  if (!ctx->internal->pool_internal)
201  return AVERROR(ENOMEM);
202 
203  frames_hwctx->surfaces = s->surfaces_internal;
204  frames_hwctx->nb_surfaces = ctx->initial_pool_size;
205 
206  return 0;
207 }
208 
210 {
211  AVDXVA2FramesContext *hwctx = ctx->hwctx;
213  int ret;
214 
215  if (hwctx->surface_type != DXVA2_VideoDecoderRenderTarget &&
216  hwctx->surface_type != DXVA2_VideoProcessorRenderTarget) {
217  av_log(ctx, AV_LOG_ERROR, "Unknown surface type: %lu\n",
218  hwctx->surface_type);
219  return AVERROR(EINVAL);
220  }
221 
223 
224  /* init the frame pool if the caller didn't provide one */
225  if (!ctx->pool) {
226  ret = dxva2_init_pool(ctx);
227  if (ret < 0) {
228  av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n");
229  return ret;
230  }
231  }
232 
233  return 0;
234 }
235 
237 {
238  frame->buf[0] = av_buffer_pool_get(ctx->pool);
239  if (!frame->buf[0])
240  return AVERROR(ENOMEM);
241 
242  frame->data[3] = frame->buf[0]->data;
243  frame->format = AV_PIX_FMT_DXVA2_VLD;
244  frame->width = ctx->width;
245  frame->height = ctx->height;
246 
247  return 0;
248 }
249 
252  enum AVPixelFormat **formats)
253 {
254  enum AVPixelFormat *fmts;
255 
256  fmts = av_malloc_array(2, sizeof(*fmts));
257  if (!fmts)
258  return AVERROR(ENOMEM);
259 
260  fmts[0] = ctx->sw_format;
261  fmts[1] = AV_PIX_FMT_NONE;
262 
263  *formats = fmts;
264 
265  return 0;
266 }
267 
269 {
270  IDirect3DSurface9 *surface = (IDirect3DSurface9*)hwmap->source->data[3];
271  IDirect3DSurface9_UnlockRect(surface);
272  av_freep(&hwmap->priv);
273 }
274 
276  int flags)
277 {
278  IDirect3DSurface9 *surface = (IDirect3DSurface9*)src->data[3];
279  DXVA2Mapping *map;
280  D3DSURFACE_DESC surfaceDesc;
281  D3DLOCKED_RECT LockedRect;
282  HRESULT hr;
283  int i, err, nb_planes;
284  int lock_flags = 0;
285 
286  nb_planes = av_pix_fmt_count_planes(dst->format);
287 
288  hr = IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
289  if (FAILED(hr)) {
290  av_log(ctx, AV_LOG_ERROR, "Error getting a surface description\n");
291  return AVERROR_UNKNOWN;
292  }
293 
294  if (!(flags & AV_HWFRAME_MAP_WRITE))
295  lock_flags |= D3DLOCK_READONLY;
296  if (flags & AV_HWFRAME_MAP_OVERWRITE)
297  lock_flags |= D3DLOCK_DISCARD;
298 
299  hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, lock_flags);
300  if (FAILED(hr)) {
301  av_log(ctx, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
302  return AVERROR_UNKNOWN;
303  }
304 
305  map = av_mallocz(sizeof(*map));
306  if (!map) {
307  err = AVERROR(ENOMEM);
308  goto fail;
309  }
310 
311  err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src,
313  if (err < 0) {
314  av_freep(&map);
315  goto fail;
316  }
317 
318  for (i = 0; i < nb_planes; i++)
319  dst->linesize[i] = LockedRect.Pitch;
320 
321  av_image_fill_pointers(dst->data, dst->format, surfaceDesc.Height,
322  (uint8_t*)LockedRect.pBits, dst->linesize);
323 
324  if (dst->format == AV_PIX_FMT_PAL8)
325  dst->data[1] = (uint8_t*)map->palette_dummy;
326 
327  return 0;
328 fail:
329  IDirect3DSurface9_UnlockRect(surface);
330  return err;
331 }
332 
334  const AVFrame *src)
335 {
336  AVFrame *map;
337  int ret;
338 
339  if (src->format != ctx->sw_format)
340  return AVERROR(ENOSYS);
341 
342  map = av_frame_alloc();
343  if (!map)
344  return AVERROR(ENOMEM);
345  map->format = dst->format;
346 
348  if (ret < 0)
349  goto fail;
350 
351  av_image_copy(map->data, map->linesize, src->data, src->linesize,
352  ctx->sw_format, src->width, src->height);
353 
354 fail:
355  av_frame_free(&map);
356  return ret;
357 }
358 
360  const AVFrame *src)
361 {
362  AVFrame *map;
363  ptrdiff_t src_linesize[4], dst_linesize[4];
364  int ret, i;
365 
366  if (dst->format != ctx->sw_format)
367  return AVERROR(ENOSYS);
368 
369  map = av_frame_alloc();
370  if (!map)
371  return AVERROR(ENOMEM);
372  map->format = dst->format;
373 
374  ret = dxva2_map_frame(ctx, map, src, AV_HWFRAME_MAP_READ);
375  if (ret < 0)
376  goto fail;
377 
378  for (i = 0; i < 4; i++) {
379  dst_linesize[i] = dst->linesize[i];
380  src_linesize[i] = map->linesize[i];
381  }
382  av_image_copy_uc_from(dst->data, dst_linesize, map->data, src_linesize,
383  ctx->sw_format, src->width, src->height);
384 fail:
385  av_frame_free(&map);
386  return ret;
387 }
388 
390  AVFrame *dst, const AVFrame *src, int flags)
391 {
392  int err;
393 
394  if (dst->format != AV_PIX_FMT_NONE && dst->format != ctx->sw_format)
395  return AVERROR(ENOSYS);
396  dst->format = ctx->sw_format;
397 
398  err = dxva2_map_frame(ctx, dst, src, flags);
399  if (err < 0)
400  return err;
401 
402  err = av_frame_copy_props(dst, src);
403  if (err < 0)
404  return err;
405 
406  return 0;
407 }
408 
410 {
411  AVDXVA2DeviceContext *hwctx = ctx->hwctx;
412  DXVA2DevicePriv *priv = ctx->user_opaque;
413 
414  if (hwctx->devmgr && priv->device_handle != INVALID_HANDLE_VALUE)
415  IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, priv->device_handle);
416 
417  if (hwctx->devmgr)
418  IDirect3DDeviceManager9_Release(hwctx->devmgr);
419 
420  if (priv->d3d9device)
421  IDirect3DDevice9_Release(priv->d3d9device);
422 
423  if (priv->d3d9)
424  IDirect3D9_Release(priv->d3d9);
425 
426  if (priv->d3dlib)
427  dlclose(priv->d3dlib);
428 
429  if (priv->dxva2lib)
430  dlclose(priv->dxva2lib);
431 
432  av_freep(&ctx->user_opaque);
433 }
434 
436 {
437  DXVA2DevicePriv *priv = ctx->user_opaque;
438  D3DPRESENT_PARAMETERS d3dpp = dxva2_present_params;
439  D3DDISPLAYMODE d3ddm;
440  HRESULT hr;
441  pDirect3DCreate9 *createD3D = (pDirect3DCreate9 *)dlsym(priv->d3dlib, "Direct3DCreate9");
442  if (!createD3D) {
443  av_log(ctx, AV_LOG_ERROR, "Failed to locate Direct3DCreate9\n");
444  return AVERROR_UNKNOWN;
445  }
446 
447  priv->d3d9 = createD3D(D3D_SDK_VERSION);
448  if (!priv->d3d9) {
449  av_log(ctx, AV_LOG_ERROR, "Failed to create IDirect3D object\n");
450  return AVERROR_UNKNOWN;
451  }
452 
453  IDirect3D9_GetAdapterDisplayMode(priv->d3d9, adapter, &d3ddm);
454 
455  d3dpp.BackBufferFormat = d3ddm.Format;
456 
457  hr = IDirect3D9_CreateDevice(priv->d3d9, adapter, D3DDEVTYPE_HAL, GetDesktopWindow(),
459  &d3dpp, &priv->d3d9device);
460  if (FAILED(hr)) {
461  av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device\n");
462  return AVERROR_UNKNOWN;
463  }
464 
465  return 0;
466 }
467 
469 {
470  DXVA2DevicePriv *priv = ctx->user_opaque;
471  D3DPRESENT_PARAMETERS d3dpp = dxva2_present_params;
472  D3DDISPLAYMODEEX modeex = {0};
473  IDirect3D9Ex *d3d9ex = NULL;
474  IDirect3DDevice9Ex *exdev = NULL;
475  HRESULT hr;
476  pDirect3DCreate9Ex *createD3DEx = (pDirect3DCreate9Ex *)dlsym(priv->d3dlib, "Direct3DCreate9Ex");
477  if (!createD3DEx)
478  return AVERROR(ENOSYS);
479 
480  hr = createD3DEx(D3D_SDK_VERSION, &d3d9ex);
481  if (FAILED(hr))
482  return AVERROR_UNKNOWN;
483 
484  modeex.Size = sizeof(D3DDISPLAYMODEEX);
485  hr = IDirect3D9Ex_GetAdapterDisplayModeEx(d3d9ex, adapter, &modeex, NULL);
486  if (FAILED(hr)) {
487  IDirect3D9Ex_Release(d3d9ex);
488  return AVERROR_UNKNOWN;
489  }
490 
491  d3dpp.BackBufferFormat = modeex.Format;
492 
493  hr = IDirect3D9Ex_CreateDeviceEx(d3d9ex, adapter, D3DDEVTYPE_HAL, GetDesktopWindow(),
495  &d3dpp, NULL, &exdev);
496  if (FAILED(hr)) {
497  IDirect3D9Ex_Release(d3d9ex);
498  return AVERROR_UNKNOWN;
499  }
500 
501  av_log(ctx, AV_LOG_VERBOSE, "Using D3D9Ex device.\n");
502  priv->d3d9 = (IDirect3D9 *)d3d9ex;
503  priv->d3d9device = (IDirect3DDevice9 *)exdev;
504  return 0;
505 }
506 
507 static int dxva2_device_create(AVHWDeviceContext *ctx, const char *device,
508  AVDictionary *opts, int flags)
509 {
510  AVDXVA2DeviceContext *hwctx = ctx->hwctx;
511  DXVA2DevicePriv *priv;
512  pCreateDeviceManager9 *createDeviceManager = NULL;
513  unsigned resetToken = 0;
514  UINT adapter = D3DADAPTER_DEFAULT;
515  HRESULT hr;
516  int err;
517 
518  if (device)
519  adapter = atoi(device);
520 
521  priv = av_mallocz(sizeof(*priv));
522  if (!priv)
523  return AVERROR(ENOMEM);
524 
525  ctx->user_opaque = priv;
526  ctx->free = dxva2_device_free;
527 
529 
530  priv->d3dlib = dlopen("d3d9.dll", 0);
531  if (!priv->d3dlib) {
532  av_log(ctx, AV_LOG_ERROR, "Failed to load D3D9 library\n");
533  return AVERROR_UNKNOWN;
534  }
535  priv->dxva2lib = dlopen("dxva2.dll", 0);
536  if (!priv->dxva2lib) {
537  av_log(ctx, AV_LOG_ERROR, "Failed to load DXVA2 library\n");
538  return AVERROR_UNKNOWN;
539  }
540 
541  createDeviceManager = (pCreateDeviceManager9 *)dlsym(priv->dxva2lib,
542  "DXVA2CreateDirect3DDeviceManager9");
543  if (!createDeviceManager) {
544  av_log(ctx, AV_LOG_ERROR, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
545  return AVERROR_UNKNOWN;
546  }
547 
548  if (dxva2_device_create9ex(ctx, adapter) < 0) {
549  // Retry with "classic" d3d9
550  err = dxva2_device_create9(ctx, adapter);
551  if (err < 0)
552  return err;
553  }
554 
555  hr = createDeviceManager(&resetToken, &hwctx->devmgr);
556  if (FAILED(hr)) {
557  av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device manager\n");
558  return AVERROR_UNKNOWN;
559  }
560 
561  hr = IDirect3DDeviceManager9_ResetDevice(hwctx->devmgr, priv->d3d9device, resetToken);
562  if (FAILED(hr)) {
563  av_log(ctx, AV_LOG_ERROR, "Failed to bind Direct3D device to device manager\n");
564  return AVERROR_UNKNOWN;
565  }
566 
567  hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &priv->device_handle);
568  if (FAILED(hr)) {
569  av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n");
570  return AVERROR_UNKNOWN;
571  }
572 
573  return 0;
574 }
575 
578  .name = "DXVA2",
579 
580  .device_hwctx_size = sizeof(AVDXVA2DeviceContext),
581  .frames_hwctx_size = sizeof(AVDXVA2FramesContext),
582  .frames_priv_size = sizeof(DXVA2FramesContext),
583 
584  .device_create = dxva2_device_create,
585  .frames_init = dxva2_frames_init,
586  .frames_uninit = dxva2_frames_uninit,
587  .frames_get_buffer = dxva2_get_buffer,
588  .transfer_get_formats = dxva2_transfer_get_formats,
589  .transfer_data_to = dxva2_transfer_data_to,
590  .transfer_data_from = dxva2_transfer_data_from,
591  .map_from = dxva2_map_from,
592 
594 };
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:60
#define NULL
Definition: coverity.c:32
const char * s
Definition: avisynth_c.h:768
int size
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
This struct is allocated as AVHWFramesContext.hwctx.
misc image utilities
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2403
static int dxva2_map_from(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, int flags)
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:410
An API-specific header for AV_HWDEVICE_TYPE_DXVA2.
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:228
#define src
Definition: vp8dsp.c:254
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:42
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:556
#define AV_PIX_FMT_P010
Definition: pixfmt.h:413
AVBufferPool * pool_internal
enum AVHWDeviceType type
uint8_t
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:189
enum AVPixelFormat pix_fmt
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:73
DWORD surface_type
The surface type (e.g.
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:91
const char data[16]
Definition: mxf.c:90
IDirect3D9 *WINAPI pDirect3DCreate9(UINT)
static int flags
Definition: log.c:55
static void dxva2_unmap_frame(AVHWFramesContext *ctx, HWMapDescriptor *hwmap)
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
The mapped frame will be overwritten completely in subsequent operations, so the current frame data n...
Definition: hwcontext.h:513
#define av_log(a,...)
static AVBufferRef * dxva2_pool_alloc(void *opaque, int size)
static int dxva2_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
int width
Definition: frame.h:276
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
static int dxva2_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
IDirectXVideoDecoder * decoder_to_release
Certain drivers require the decoder to be destroyed before the surfaces.
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
void * HMODULE
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:85
simple assert() macros that are a bit more flexible than ISO C assert().
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
IDirect3DDeviceManager9 * devmgr
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:28
#define fail()
Definition: checkasm.h:116
static int dxva2_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4], const uint8_t *src_data[4], const int src_linesizes[4], enum AVPixelFormat pix_fmt, int width, int height)
Copy image in src_data to dst_data.
Definition: imgutils.c:387
static int dxva2_device_create(AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
int initial_pool_size
Initial size of the frame pool.
Definition: hwcontext.h:198
AVDictionary * opts
Definition: movenc.c:50
AVFrame * source
A reference to the original source of the mapping.
IDirect3DDevice9 * d3d9device
static const struct @252 supported_formats[]
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:148
The mapping must be readable.
Definition: hwcontext.h:503
PVOID HANDLE
static int dxva2_frames_init(AVHWFramesContext *ctx)
IDirectXVideoAccelerationService * service
AVFormatContext * ctx
Definition: movenc.c:48
The mapping must be writeable.
Definition: hwcontext.h:507
#define TRUE
Definition: windows2linux.h:33
D3DFORMAT d3d_format
AVBufferPool * av_buffer_pool_init2(int size, void *opaque, AVBufferRef *(*alloc)(void *opaque, int size), void(*pool_free)(void *opaque))
Allocate and initialize a buffer pool with a more complex allocator.
Definition: buffer.c:218
#define FF_ARRAY_ELEMS(a)
static void dxva2_frames_uninit(AVHWFramesContext *ctx)
static void dxva2_pool_release_dummy(void *opaque, uint8_t *data)
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:291
int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int height, uint8_t *ptr, const int linesizes[4])
Fill plane data pointers for an image with pixel format pix_fmt and height height.
Definition: imgutils.c:111
void * priv
Hardware-specific private data associated with the mapping.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:249
uint8_t * data
The data buffer.
Definition: buffer.h:89
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:161
HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **)
DEFINE_GUID(video_decoder_service, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02)
int ff_hwframe_map_create(AVBufferRef *hwframe_ref, AVFrame *dst, const AVFrame *src, void(*unmap)(AVHWFramesContext *ctx, HWMapDescriptor *hwmap), void *priv)
Definition: hwcontext.c:689
static int dxva2_transfer_get_formats(AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:123
HRESULT WINAPI pDirect3DCreate9Ex(UINT, IDirect3D9Ex **)
const VDPAUPixFmtMap * map
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer. ...
Definition: pixfmt.h:133
AVHWFramesInternal * internal
Private data used internally by libavutil.
Definition: hwcontext.h:133
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
static void dxva2_device_free(AVHWDeviceContext *ctx)
static int dxva2_device_create9ex(AVHWDeviceContext *ctx, UINT adapter)
DWORD HRESULT
#define FAILED(hr)
Definition: windows2linux.h:48
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
void * user_opaque
Arbitrary user data, to be used e.g.
Definition: hwcontext.h:108
#define FF_D3DCREATE_FLAGS
A reference to a data buffer.
Definition: buffer.h:81
IDirect3D9 * d3d9
static int dxva2_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, int flags)
IDirect3DSurface9 ** surfaces_internal
common internal and external API header
void av_image_copy_uc_from(uint8_t *dst_data[4], const ptrdiff_t dst_linesizes[4], const uint8_t *src_data[4], const ptrdiff_t src_linesizes[4], enum AVPixelFormat pix_fmt, int width, int height)
Copy image data located in uncacheable (e.g.
Definition: imgutils.c:403
uint32_t palette_dummy[256]
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
IDirect3DSurface9 ** surfaces
The surface pool.
AVHWFrameTransferDirection
Definition: hwcontext.h:394
pixel format definitions
AVBufferPool * pool
A pool from which the frames are allocated by av_hwframe_get_buffer().
Definition: hwcontext.h:189
This struct is allocated as AVHWDeviceContext.hwctx.
static int dxva2_device_create9(AVHWDeviceContext *ctx, UINT adapter)
static const D3DPRESENT_PARAMETERS dxva2_present_params
void(* free)(struct AVHWDeviceContext *ctx)
This field may be set by the caller before calling av_hwdevice_ctx_init().
Definition: hwcontext.h:103
int height
Definition: frame.h:276
#define av_freep(p)
unsigned int UINT
static int dxva2_init_pool(AVHWFramesContext *ctx)
AVBufferRef * av_buffer_pool_get(AVBufferPool *pool)
Allocate a new AVBuffer, reusing an old buffer from the pool when available.
Definition: buffer.c:334
#define av_malloc_array(a, b)
#define INVALID_HANDLE_VALUE
Definition: windows2linux.h:47
formats
Definition: signature.h:48
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2279
#define MKTAG(a, b, c, d)
Definition: common.h:366
const HWContextType ff_hwcontext_type_dxva2
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:221
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:652
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:191