FFmpeg  4.4.5
qsv.c
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1 /*
2  * Intel MediaSDK QSV encoder/decoder shared code
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <mfx/mfxvideo.h>
22 #include <mfx/mfxplugin.h>
23 #include <mfx/mfxjpeg.h>
24 
25 #include <stdio.h>
26 #include <string.h>
27 
28 #include "libavutil/avstring.h"
29 #include "libavutil/common.h"
30 #include "libavutil/error.h"
31 #include "libavutil/hwcontext.h"
33 #include "libavutil/imgutils.h"
34 #include "libavutil/avassert.h"
35 
36 #include "avcodec.h"
37 #include "qsv_internal.h"
38 
39 #if QSV_VERSION_ATLEAST(1, 12)
40 #include "mfx/mfxvp8.h"
41 #endif
42 
44 {
45  switch (codec_id) {
46  case AV_CODEC_ID_H264:
47  return MFX_CODEC_AVC;
48 #if QSV_VERSION_ATLEAST(1, 8)
49  case AV_CODEC_ID_HEVC:
50  return MFX_CODEC_HEVC;
51 #endif
54  return MFX_CODEC_MPEG2;
55  case AV_CODEC_ID_VC1:
56  return MFX_CODEC_VC1;
57 #if QSV_VERSION_ATLEAST(1, 12)
58  case AV_CODEC_ID_VP8:
59  return MFX_CODEC_VP8;
60 #endif
61  case AV_CODEC_ID_MJPEG:
62  return MFX_CODEC_JPEG;
63 #if QSV_VERSION_ATLEAST(1, 19)
64  case AV_CODEC_ID_VP9:
65  return MFX_CODEC_VP9;
66 #endif
67 #if QSV_VERSION_ATLEAST(1, 34)
68  case AV_CODEC_ID_AV1:
69  return MFX_CODEC_AV1;
70 #endif
71 
72  default:
73  break;
74  }
75 
76  return AVERROR(ENOSYS);
77 }
78 
80 {
81  if (level == FF_LEVEL_UNKNOWN)
82  return MFX_LEVEL_UNKNOWN;
83 
84  switch (codec_id) {
85  case AV_CODEC_ID_HEVC:
86  return level / 3;
87  default:
88  return level;
89  }
90 }
91 
92 static const struct {
94  const char *desc;
95 } qsv_iopatterns[] = {
96  {MFX_IOPATTERN_IN_VIDEO_MEMORY, "input is video memory surface" },
97  {MFX_IOPATTERN_IN_SYSTEM_MEMORY, "input is system memory surface" },
98  {MFX_IOPATTERN_IN_OPAQUE_MEMORY, "input is opaque memory surface" },
99  {MFX_IOPATTERN_OUT_VIDEO_MEMORY, "output is video memory surface" },
100  {MFX_IOPATTERN_OUT_SYSTEM_MEMORY, "output is system memory surface" },
101  {MFX_IOPATTERN_OUT_OPAQUE_MEMORY, "output is opaque memory surface" },
102 };
103 
104 int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern,
105  const char *extra_string)
106 {
107  const char *desc = NULL;
108 
109  for (int i = 0; i < FF_ARRAY_ELEMS(qsv_iopatterns); i++) {
111  desc = qsv_iopatterns[i].desc;
112  }
113  }
114  if (!desc)
115  desc = "unknown iopattern";
116 
117  av_log(log_ctx, AV_LOG_VERBOSE, "%s: %s\n", extra_string, desc);
118  return 0;
119 }
120 
121 static const struct {
122  mfxStatus mfxerr;
123  int averr;
124  const char *desc;
125 } qsv_errors[] = {
126  { MFX_ERR_NONE, 0, "success" },
127  { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
128  { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
129  { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
130  { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
131  { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
132  { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
133  { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
134  { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
135  { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
136  /* the following 3 errors should always be handled explicitly, so those "mappings"
137  * are for completeness only */
138  { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
139  { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
140  { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
141  { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
142  { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
143  { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
144  { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
145  { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
146  { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
147  { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
148  { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
149 
150  { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
151  { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
152  { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
153  { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
154  { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
155  { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
156  { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
157  { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
158  { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
159 };
160 
161 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
162 {
163  int i;
164  for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
165  if (qsv_errors[i].mfxerr == mfx_err) {
166  if (desc)
167  *desc = qsv_errors[i].desc;
168  return qsv_errors[i].averr;
169  }
170  }
171  if (desc)
172  *desc = "unknown error";
173  return AVERROR_UNKNOWN;
174 }
175 
176 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
177  const char *error_string)
178 {
179  const char *desc;
180  int ret;
181  ret = ff_qsv_map_error(err, &desc);
182  av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
183  return ret;
184 }
185 
186 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
187  const char *warning_string)
188 {
189  const char *desc;
190  int ret;
191  ret = ff_qsv_map_error(err, &desc);
192  av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
193  return ret;
194 }
195 
197 {
198  switch (fourcc) {
199  case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
200  case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
201  case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
202 #if CONFIG_VAAPI
203  case MFX_FOURCC_YUY2: return AV_PIX_FMT_YUYV422;
204 #if QSV_VERSION_ATLEAST(1, 27)
205  case MFX_FOURCC_Y210: return AV_PIX_FMT_Y210;
206 #endif
207 #endif
208  }
209  return AV_PIX_FMT_NONE;
210 }
211 
213 {
214  switch (format) {
215  case AV_PIX_FMT_YUV420P:
216  case AV_PIX_FMT_YUVJ420P:
217  case AV_PIX_FMT_NV12:
218  *fourcc = MFX_FOURCC_NV12;
219  return AV_PIX_FMT_NV12;
221  case AV_PIX_FMT_P010:
222  *fourcc = MFX_FOURCC_P010;
223  return AV_PIX_FMT_P010;
224 #if CONFIG_VAAPI
225  case AV_PIX_FMT_YUV422P:
226  case AV_PIX_FMT_YUYV422:
227  *fourcc = MFX_FOURCC_YUY2;
228  return AV_PIX_FMT_YUYV422;
229 #if QSV_VERSION_ATLEAST(1, 27)
231  case AV_PIX_FMT_Y210:
232  *fourcc = MFX_FOURCC_Y210;
233  return AV_PIX_FMT_Y210;
234 #endif
235 #endif
236  default:
237  return AVERROR(ENOSYS);
238  }
239 }
240 
242 {
243  int i;
244  for (i = 0; i < ctx->nb_mids; i++) {
245  QSVMid *mid = &ctx->mids[i];
246  if (mid->handle == frame->surface.Data.MemId)
247  return i;
248  }
249  return AVERROR_BUG;
250 }
251 
252 enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
253 {
254  enum AVFieldOrder field = AV_FIELD_UNKNOWN;
255  switch (mfx_pic_struct & 0xF) {
256  case MFX_PICSTRUCT_PROGRESSIVE:
257  field = AV_FIELD_PROGRESSIVE;
258  break;
259  case MFX_PICSTRUCT_FIELD_TFF:
260  field = AV_FIELD_TT;
261  break;
262  case MFX_PICSTRUCT_FIELD_BFF:
263  field = AV_FIELD_BB;
264  break;
265  }
266 
267  return field;
268 }
269 
270 enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
271 {
272  enum AVPictureType type;
273  switch (mfx_pic_type & 0x7) {
274  case MFX_FRAMETYPE_I:
275  if (mfx_pic_type & MFX_FRAMETYPE_S)
277  else
279  break;
280  case MFX_FRAMETYPE_B:
282  break;
283  case MFX_FRAMETYPE_P:
284  if (mfx_pic_type & MFX_FRAMETYPE_S)
286  else
288  break;
289  case MFX_FRAMETYPE_UNKNOWN:
291  break;
292  default:
293  av_assert0(0);
294  }
295 
296  return type;
297 }
298 
299 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
300  void *logctx)
301 {
302  if (!load_plugins || !*load_plugins)
303  return 0;
304 
305  while (*load_plugins) {
306  mfxPluginUID uid;
307  mfxStatus ret;
308  int i, err = 0;
309 
310  char *plugin = av_get_token(&load_plugins, ":");
311  if (!plugin)
312  return AVERROR(ENOMEM);
313  if (strlen(plugin) != 2 * sizeof(uid.Data)) {
314  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
315  err = AVERROR(EINVAL);
316  goto load_plugin_fail;
317  }
318 
319  for (i = 0; i < sizeof(uid.Data); i++) {
320  err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
321  if (err != 1) {
322  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
323  err = AVERROR(EINVAL);
324  goto load_plugin_fail;
325  }
326 
327  }
328 
329  ret = MFXVideoUSER_Load(session, &uid, 1);
330  if (ret < 0) {
331  char errorbuf[128];
332  snprintf(errorbuf, sizeof(errorbuf),
333  "Could not load the requested plugin '%s'", plugin);
334  err = ff_qsv_print_error(logctx, ret, errorbuf);
335  goto load_plugin_fail;
336  }
337 
338  if (*load_plugins)
339  load_plugins++;
340 load_plugin_fail:
341  av_freep(&plugin);
342  if (err < 0)
343  return err;
344  }
345 
346  return 0;
347 
348 }
349 
350 //This code is only required for Linux since a display handle is required.
351 //For Windows the session is complete and ready to use.
352 
353 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
354 static int ff_qsv_set_display_handle(AVCodecContext *avctx, QSVSession *qs)
355 {
356  AVDictionary *child_device_opts = NULL;
357  AVVAAPIDeviceContext *hwctx;
358  int ret;
359 
360  av_dict_set(&child_device_opts, "kernel_driver", "i915", 0);
361  av_dict_set(&child_device_opts, "driver", "iHD", 0);
362 
363  ret = av_hwdevice_ctx_create(&qs->va_device_ref, AV_HWDEVICE_TYPE_VAAPI, NULL, child_device_opts, 0);
364  av_dict_free(&child_device_opts);
365  if (ret < 0) {
366  av_log(avctx, AV_LOG_ERROR, "Failed to create a VAAPI device.\n");
367  return ret;
368  } else {
369  qs->va_device_ctx = (AVHWDeviceContext*)qs->va_device_ref->data;
370  hwctx = qs->va_device_ctx->hwctx;
371 
372  ret = MFXVideoCORE_SetHandle(qs->session,
373  (mfxHandleType)MFX_HANDLE_VA_DISPLAY, (mfxHDL)hwctx->display);
374  if (ret < 0) {
375  return ff_qsv_print_error(avctx, ret, "Error during set display handle\n");
376  }
377  }
378 
379  return 0;
380 }
381 #endif //AVCODEC_QSV_LINUX_SESSION_HANDLE
382 
384  const char *load_plugins, int gpu_copy)
385 {
386  mfxIMPL impl = MFX_IMPL_AUTO_ANY;
387  mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
388  mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
389 
390  const char *desc;
391  int ret;
392 
393 #if QSV_VERSION_ATLEAST(1, 16)
394  init_par.GPUCopy = gpu_copy;
395 #endif
396  init_par.Implementation = impl;
397  init_par.Version = ver;
398  ret = MFXInitEx(init_par, &qs->session);
399  if (ret < 0)
400  return ff_qsv_print_error(avctx, ret,
401  "Error initializing an internal MFX session");
402 
403 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
404  ret = ff_qsv_set_display_handle(avctx, qs);
405  if (ret < 0)
406  return ret;
407 #endif
408 
409  ret = qsv_load_plugins(qs->session, load_plugins, avctx);
410  if (ret < 0) {
411  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
412  return ret;
413  }
414 
415  MFXQueryIMPL(qs->session, &impl);
416 
417  switch (MFX_IMPL_BASETYPE(impl)) {
418  case MFX_IMPL_SOFTWARE:
419  desc = "software";
420  break;
421  case MFX_IMPL_HARDWARE:
422  case MFX_IMPL_HARDWARE2:
423  case MFX_IMPL_HARDWARE3:
424  case MFX_IMPL_HARDWARE4:
425  desc = "hardware accelerated";
426  break;
427  default:
428  desc = "unknown";
429  }
430 
431  av_log(avctx, AV_LOG_VERBOSE,
432  "Initialized an internal MFX session using %s implementation\n",
433  desc);
434 
435  return 0;
436 }
437 
438 static void mids_buf_free(void *opaque, uint8_t *data)
439 {
440  AVBufferRef *hw_frames_ref = opaque;
441  av_buffer_unref(&hw_frames_ref);
442  av_freep(&data);
443 }
444 
445 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
446 {
447  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
448  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
449  int nb_surfaces = frames_hwctx->nb_surfaces;
450 
451  AVBufferRef *mids_buf, *hw_frames_ref1;
452  QSVMid *mids;
453  int i;
454 
455  hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
456  if (!hw_frames_ref1)
457  return NULL;
458 
459  mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
460  if (!mids) {
461  av_buffer_unref(&hw_frames_ref1);
462  return NULL;
463  }
464 
465  mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
466  mids_buf_free, hw_frames_ref1, 0);
467  if (!mids_buf) {
468  av_buffer_unref(&hw_frames_ref1);
469  av_freep(&mids);
470  return NULL;
471  }
472 
473  for (i = 0; i < nb_surfaces; i++) {
474  QSVMid *mid = &mids[i];
475  mid->handle = frames_hwctx->surfaces[i].Data.MemId;
476  mid->hw_frames_ref = hw_frames_ref1;
477  }
478 
479  return mids_buf;
480 }
481 
482 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
483  AVBufferRef *mids_buf)
484 {
485  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
486  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
487  QSVMid *mids = (QSVMid*)mids_buf->data;
488  int nb_surfaces = frames_hwctx->nb_surfaces;
489  int i;
490 
491  // the allocated size of the array is two larger than the number of
492  // surfaces, we store the references to the frames context and the
493  // QSVMid array there
494  resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
495  if (!resp->mids)
496  return AVERROR(ENOMEM);
497 
498  for (i = 0; i < nb_surfaces; i++)
499  resp->mids[i] = &mids[i];
500  resp->NumFrameActual = nb_surfaces;
501 
502  resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
503  if (!resp->mids[resp->NumFrameActual]) {
504  av_freep(&resp->mids);
505  return AVERROR(ENOMEM);
506  }
507 
508  resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
509  if (!resp->mids[resp->NumFrameActual + 1]) {
510  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
511  av_freep(&resp->mids);
512  return AVERROR(ENOMEM);
513  }
514 
515  return 0;
516 }
517 
518 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
519  mfxFrameAllocResponse *resp)
520 {
521  QSVFramesContext *ctx = pthis;
522  int ret;
523 
524  /* this should only be called from an encoder or decoder and
525  * only allocates video memory frames */
526  if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
527  MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
528  !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
529  return MFX_ERR_UNSUPPORTED;
530 
531  if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
532  /* external frames -- fill from the caller-supplied frames context */
533  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
534  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
535  mfxFrameInfo *i = &req->Info;
536  mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
537 
538  if (i->Width > i1->Width || i->Height > i1->Height ||
539  i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
540  av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
541  "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
542  i->Width, i->Height, i->FourCC, i->ChromaFormat,
543  i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
544  return MFX_ERR_UNSUPPORTED;
545  }
546 
547  ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
548  if (ret < 0) {
549  av_log(ctx->logctx, AV_LOG_ERROR,
550  "Error filling an external frame allocation request\n");
551  return MFX_ERR_MEMORY_ALLOC;
552  }
553  } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
554  /* internal frames -- allocate a new hw frames context */
555  AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
556  mfxFrameInfo *i = &req->Info;
557 
558  AVBufferRef *frames_ref, *mids_buf;
559  AVHWFramesContext *frames_ctx;
560  AVQSVFramesContext *frames_hwctx;
561 
562  frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
563  if (!frames_ref)
564  return MFX_ERR_MEMORY_ALLOC;
565 
566  frames_ctx = (AVHWFramesContext*)frames_ref->data;
567  frames_hwctx = frames_ctx->hwctx;
568 
569  frames_ctx->format = AV_PIX_FMT_QSV;
570  frames_ctx->sw_format = ff_qsv_map_fourcc(i->FourCC);
571  frames_ctx->width = i->Width;
572  frames_ctx->height = i->Height;
573  frames_ctx->initial_pool_size = req->NumFrameSuggested;
574 
575  frames_hwctx->frame_type = req->Type;
576 
577  ret = av_hwframe_ctx_init(frames_ref);
578  if (ret < 0) {
579  av_log(ctx->logctx, AV_LOG_ERROR,
580  "Error initializing a frames context for an internal frame "
581  "allocation request\n");
582  av_buffer_unref(&frames_ref);
583  return MFX_ERR_MEMORY_ALLOC;
584  }
585 
586  mids_buf = qsv_create_mids(frames_ref);
587  if (!mids_buf) {
588  av_buffer_unref(&frames_ref);
589  return MFX_ERR_MEMORY_ALLOC;
590  }
591 
592  ret = qsv_setup_mids(resp, frames_ref, mids_buf);
593  av_buffer_unref(&mids_buf);
594  av_buffer_unref(&frames_ref);
595  if (ret < 0) {
596  av_log(ctx->logctx, AV_LOG_ERROR,
597  "Error filling an internal frame allocation request\n");
598  return MFX_ERR_MEMORY_ALLOC;
599  }
600  } else {
601  return MFX_ERR_UNSUPPORTED;
602  }
603 
604  return MFX_ERR_NONE;
605 }
606 
607 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
608 {
609  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
610  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
611  av_freep(&resp->mids);
612  return MFX_ERR_NONE;
613 }
614 
615 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
616 {
617  QSVMid *qsv_mid = mid;
618  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
619  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
620  int ret;
621 
622  if (qsv_mid->locked_frame)
623  return MFX_ERR_UNDEFINED_BEHAVIOR;
624 
625  /* Allocate a system memory frame that will hold the mapped data. */
626  qsv_mid->locked_frame = av_frame_alloc();
627  if (!qsv_mid->locked_frame)
628  return MFX_ERR_MEMORY_ALLOC;
629  qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
630 
631  /* wrap the provided handle in a hwaccel AVFrame */
632  qsv_mid->hw_frame = av_frame_alloc();
633  if (!qsv_mid->hw_frame)
634  goto fail;
635 
636  qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
637  qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
638 
639  // doesn't really matter what buffer is used here
640  qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
641  if (!qsv_mid->hw_frame->buf[0])
642  goto fail;
643 
644  qsv_mid->hw_frame->width = hw_frames_ctx->width;
645  qsv_mid->hw_frame->height = hw_frames_ctx->height;
646 
647  qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
648  if (!qsv_mid->hw_frame->hw_frames_ctx)
649  goto fail;
650 
651  qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
652  qsv_mid->surf.Data.MemId = qsv_mid->handle;
653 
654  /* map the data to the system memory */
655  ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
657  if (ret < 0)
658  goto fail;
659 
660  ptr->Pitch = qsv_mid->locked_frame->linesize[0];
661  ptr->Y = qsv_mid->locked_frame->data[0];
662  ptr->U = qsv_mid->locked_frame->data[1];
663  ptr->V = qsv_mid->locked_frame->data[1] + 1;
664 
665  return MFX_ERR_NONE;
666 fail:
667  av_frame_free(&qsv_mid->hw_frame);
668  av_frame_free(&qsv_mid->locked_frame);
669  return MFX_ERR_MEMORY_ALLOC;
670 }
671 
672 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
673 {
674  QSVMid *qsv_mid = mid;
675 
676  av_frame_free(&qsv_mid->locked_frame);
677  av_frame_free(&qsv_mid->hw_frame);
678 
679  return MFX_ERR_NONE;
680 }
681 
682 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
683 {
684  QSVMid *qsv_mid = (QSVMid*)mid;
685  *hdl = qsv_mid->handle;
686  return MFX_ERR_NONE;
687 }
688 
689 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
690  AVBufferRef *device_ref, const char *load_plugins,
691  int gpu_copy)
692 {
693  static const mfxHandleType handle_types[] = {
694  MFX_HANDLE_VA_DISPLAY,
695  MFX_HANDLE_D3D9_DEVICE_MANAGER,
696  MFX_HANDLE_D3D11_DEVICE,
697  };
698  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
699  AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
700  mfxSession parent_session = device_hwctx->session;
701  mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
702  mfxHDL handle = NULL;
703 
704  mfxSession session;
705  mfxVersion ver;
706  mfxIMPL impl;
707  mfxHandleType handle_type;
708  mfxStatus err;
709 
710  int i, ret;
711 
712  err = MFXQueryIMPL(parent_session, &impl);
713  if (err == MFX_ERR_NONE)
714  err = MFXQueryVersion(parent_session, &ver);
715  if (err != MFX_ERR_NONE)
716  return ff_qsv_print_error(avctx, err,
717  "Error querying the session attributes");
718 
719  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
720  err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
721  if (err == MFX_ERR_NONE) {
723  break;
724  }
725  handle = NULL;
726  }
727  if (!handle) {
728  av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
729  "from the session\n");
730  }
731 
732 #if QSV_VERSION_ATLEAST(1, 16)
733  init_par.GPUCopy = gpu_copy;
734 #endif
735  init_par.Implementation = impl;
736  init_par.Version = ver;
737  err = MFXInitEx(init_par, &session);
738  if (err != MFX_ERR_NONE)
739  return ff_qsv_print_error(avctx, err,
740  "Error initializing a child MFX session");
741 
742  if (handle) {
743  err = MFXVideoCORE_SetHandle(session, handle_type, handle);
744  if (err != MFX_ERR_NONE)
745  return ff_qsv_print_error(avctx, err,
746  "Error setting a HW handle");
747  }
748 
749  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
750  err = MFXJoinSession(parent_session, session);
751  if (err != MFX_ERR_NONE)
752  return ff_qsv_print_error(avctx, err,
753  "Error joining session");
754  }
755 
756  ret = qsv_load_plugins(session, load_plugins, avctx);
757  if (ret < 0) {
758  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
759  return ret;
760  }
761 
762  *psession = session;
763  return 0;
764 }
765 
766 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
767  QSVFramesContext *qsv_frames_ctx,
768  const char *load_plugins, int opaque, int gpu_copy)
769 {
770  mfxFrameAllocator frame_allocator = {
771  .pthis = qsv_frames_ctx,
772  .Alloc = qsv_frame_alloc,
773  .Lock = qsv_frame_lock,
774  .Unlock = qsv_frame_unlock,
775  .GetHDL = qsv_frame_get_hdl,
776  .Free = qsv_frame_free,
777  };
778 
779  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
780  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
781 
782  mfxSession session;
783  mfxStatus err;
784 
785  int ret;
786 
787  ret = ff_qsv_init_session_device(avctx, &session,
788  frames_ctx->device_ref, load_plugins, gpu_copy);
789  if (ret < 0)
790  return ret;
791 
792  if (!opaque) {
793  qsv_frames_ctx->logctx = avctx;
794 
795  /* allocate the memory ids for the external frames */
796  av_buffer_unref(&qsv_frames_ctx->mids_buf);
797  qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
798  if (!qsv_frames_ctx->mids_buf)
799  return AVERROR(ENOMEM);
800  qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
801  qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
802 
803  err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
804  if (err != MFX_ERR_NONE)
805  return ff_qsv_print_error(avctx, err,
806  "Error setting a frame allocator");
807  }
808 
809  *psession = session;
810  return 0;
811 }
812 
814 {
815  if (qs->session) {
816  MFXClose(qs->session);
817  qs->session = NULL;
818  }
819 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
820  av_buffer_unref(&qs->va_device_ref);
821 #endif
822  return 0;
823 }
static const char *const format[]
Definition: af_aiir.c:456
uint8_t
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
Libavcodec external API header.
#define FF_LEVEL_UNKNOWN
Definition: avcodec.h:1985
#define fail()
Definition: checkasm.h:133
AVFieldOrder
Definition: codec_par.h:36
@ AV_FIELD_TT
Definition: codec_par.h:39
@ AV_FIELD_BB
Definition: codec_par.h:40
@ AV_FIELD_UNKNOWN
Definition: codec_par.h:37
@ AV_FIELD_PROGRESSIVE
Definition: codec_par.h:38
common internal and external API header
#define NULL
Definition: coverity.c:32
static AVFrame * frame
error code definitions
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
@ AV_CODEC_ID_H264
Definition: codec_id.h:76
@ AV_CODEC_ID_AV1
Definition: codec_id.h:279
@ AV_CODEC_ID_VC1
Definition: codec_id.h:119
@ AV_CODEC_ID_VP8
Definition: codec_id.h:189
@ AV_CODEC_ID_HEVC
Definition: codec_id.h:223
@ AV_CODEC_ID_MJPEG
Definition: codec_id.h:56
@ AV_CODEC_ID_VP9
Definition: codec_id.h:217
@ AV_CODEC_ID_MPEG1VIDEO
Definition: codec_id.h:50
@ AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it.
Definition: buffer.c:125
AVBufferRef * av_buffer_create(uint8_t *data, buffer_size_t size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:29
AVBufferRef * av_buffer_alloc(buffer_size_t size)
Allocate an AVBuffer of the given size using av_malloc().
Definition: buffer.c:67
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values.
Definition: dict.c:203
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
Definition: dict.c:70
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#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:203
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:190
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:210
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:190
AVPictureType
Definition: avutil.h:272
@ AV_PICTURE_TYPE_I
Intra.
Definition: avutil.h:274
@ AV_PICTURE_TYPE_NONE
Undefined.
Definition: avutil.h:273
@ AV_PICTURE_TYPE_SP
Switching Predicted.
Definition: avutil.h:279
@ AV_PICTURE_TYPE_P
Predicted.
Definition: avutil.h:275
@ AV_PICTURE_TYPE_SI
Switching Intra.
Definition: avutil.h:278
@ AV_PICTURE_TYPE_B
Bi-dir predicted.
Definition: avutil.h:276
char * av_get_token(const char **buf, const char *term)
Unescape the given string until a non escaped terminating char, and return the token corresponding to...
Definition: avstring.c:151
int av_hwdevice_ctx_create(AVBufferRef **pdevice_ref, enum AVHWDeviceType type, const char *device, AVDictionary *opts, int flags)
Open a device of the specified type and create an AVHWDeviceContext for it.
Definition: hwcontext.c:610
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:333
int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags)
Map a hardware frame.
Definition: hwcontext.c:789
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
Definition: hwcontext.c:247
@ AV_HWDEVICE_TYPE_VAAPI
Definition: hwcontext.h:31
@ AV_HWFRAME_MAP_DIRECT
The mapping must be direct.
Definition: hwcontext.h:540
cl_device_type type
mfxHandleType handle_type
Definition: hwcontext_qsv.c:89
An API-specific header for AV_HWDEVICE_TYPE_QSV.
misc image utilities
int i
Definition: input.c:407
const char data[16]
Definition: mxf.c:142
UID uid
Definition: mxfenc.c:2205
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
#define AV_PIX_FMT_Y210
Definition: pixfmt.h:451
#define AV_PIX_FMT_P010
Definition: pixfmt.h:448
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:67
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:222
@ AV_PIX_FMT_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:77
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
static void mids_buf_free(void *opaque, uint8_t *data)
Definition: qsv.c:438
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:43
static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref, AVBufferRef *mids_buf)
Definition: qsv.c:482
enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
Definition: qsv.c:252
static int qsv_load_plugins(mfxSession session, const char *load_plugins, void *logctx)
Definition: qsv.c:299
static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:615
const char * desc
Definition: qsv.c:94
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs, const char *load_plugins, int gpu_copy)
Definition: qsv.c:383
int ff_qsv_level_to_mfx(enum AVCodecID codec_id, int level)
Definition: qsv.c:79
int mfx_iopattern
Definition: qsv.c:93
static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameAllocResponse *resp)
Definition: qsv.c:518
int ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsv.c:176
int ff_qsv_close_internal_session(QSVSession *qs)
Definition: qsv.c:813
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque, int gpu_copy)
Definition: qsv.c:766
int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern, const char *extra_string)
Definition: qsv.c:104
int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
Convert a libmfx error code into an ffmpeg error code.
Definition: qsv.c:161
static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
Definition: qsv.c:682
static const struct @114 qsv_iopatterns[]
static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: qsv.c:607
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins, int gpu_copy)
Definition: qsv.c:689
enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
Definition: qsv.c:270
int averr
Definition: qsv.c:123
enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:196
static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:672
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
Definition: qsv.c:241
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
Definition: qsv.c:212
int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsv.c:186
mfxStatus mfxerr
Definition: qsv.c:122
static const struct @115 qsv_errors[]
static AVBufferRef * qsv_create_mids(AVBufferRef *hw_frames_ref)
Definition: qsv.c:445
#define QSV_VERSION_MAJOR
Definition: qsv_internal.h:48
#define QSV_VERSION_MINOR
Definition: qsv_internal.h:49
#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR)
Definition: qsv_internal.h:59
static const mfxHandleType handle_types[]
Definition: qsvvpp.c:71
#define FF_ARRAY_ELEMS(a)
#define snprintf
Definition: snprintf.h:34
A reference to a data buffer.
Definition: buffer.h:84
uint8_t * data
The data buffer.
Definition: buffer.h:92
main external API structure.
Definition: avcodec.h:536
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int width
Definition: frame.h:376
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame.
Definition: frame.h:657
int height
Definition: frame.h:376
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:509
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames,...
Definition: frame.h:391
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:61
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:92
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:124
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:141
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:162
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:222
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:229
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
VAAPI connection details.
VADisplay display
The VADisplay handle, to be filled by the user.
AVBufferRef * hw_frames_ctx
Definition: qsv_internal.h:94
AVBufferRef * mids_buf
Definition: qsv_internal.h:101
mfxFrameSurface1 surf
Definition: qsv_internal.h:69
AVFrame * locked_frame
Definition: qsv_internal.h:67
AVBufferRef * hw_frames_ref
Definition: qsv_internal.h:64
mfxHDL handle
Definition: qsv_internal.h:65
AVFrame * hw_frame
Definition: qsv_internal.h:68
mfxSession session
Definition: qsv_internal.h:86
uint8_t level
Definition: svq3.c:206
#define av_freep(p)
#define av_log(a,...)
AVFormatContext * ctx
Definition: movenc.c:48
enum AVCodecID codec_id
Definition: vaapi_decode.c:369
uint32_t fourcc
Definition: vaapi_decode.c:239
if(ret< 0)
Definition: vf_mcdeint.c:282