FFmpeg  4.3.6
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 
68  default:
69  break;
70  }
71 
72  return AVERROR(ENOSYS);
73 }
74 
76 {
77  if (level == FF_LEVEL_UNKNOWN)
78  return MFX_LEVEL_UNKNOWN;
79 
80  switch (codec_id) {
81  case AV_CODEC_ID_HEVC:
82  return level / 3;
83  default:
84  return level;
85  }
86 }
87 
88 static const struct {
90  const char *desc;
91 } qsv_iopatterns[] = {
92  {MFX_IOPATTERN_IN_VIDEO_MEMORY, "input is video memory surface" },
93  {MFX_IOPATTERN_IN_SYSTEM_MEMORY, "input is system memory surface" },
94  {MFX_IOPATTERN_IN_OPAQUE_MEMORY, "input is opaque memory surface" },
95  {MFX_IOPATTERN_OUT_VIDEO_MEMORY, "output is video memory surface" },
96  {MFX_IOPATTERN_OUT_SYSTEM_MEMORY, "output is system memory surface" },
97  {MFX_IOPATTERN_OUT_OPAQUE_MEMORY, "output is opaque memory surface" },
98 };
99 
100 int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern,
101  const char *extra_string)
102 {
103  const char *desc = NULL;
104 
105  for (int i = 0; i < FF_ARRAY_ELEMS(qsv_iopatterns); i++) {
106  if (qsv_iopatterns[i].mfx_iopattern == mfx_iopattern) {
107  desc = qsv_iopatterns[i].desc;
108  }
109  }
110  if (!desc)
111  desc = "unknown iopattern";
112 
113  av_log(log_ctx, AV_LOG_VERBOSE, "%s: %s\n", extra_string, desc);
114  return 0;
115 }
116 
117 static const struct {
118  mfxStatus mfxerr;
119  int averr;
120  const char *desc;
121 } qsv_errors[] = {
122  { MFX_ERR_NONE, 0, "success" },
123  { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
124  { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
125  { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
126  { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
127  { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
128  { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
129  { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
130  { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
131  { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
132  /* the following 3 errors should always be handled explicitly, so those "mappings"
133  * are for completeness only */
134  { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
135  { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
136  { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
137  { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
138  { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
139  { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
140  { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
141  { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
142  { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
143  { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
144  { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
145 
146  { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
147  { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
148  { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
149  { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
150  { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
151  { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
152  { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
153  { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
154  { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
155 };
156 
157 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
158 {
159  int i;
160  for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
161  if (qsv_errors[i].mfxerr == mfx_err) {
162  if (desc)
163  *desc = qsv_errors[i].desc;
164  return qsv_errors[i].averr;
165  }
166  }
167  if (desc)
168  *desc = "unknown error";
169  return AVERROR_UNKNOWN;
170 }
171 
172 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
173  const char *error_string)
174 {
175  const char *desc;
176  int ret;
177  ret = ff_qsv_map_error(err, &desc);
178  av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
179  return ret;
180 }
181 
182 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
183  const char *warning_string)
184 {
185  const char *desc;
186  int ret;
187  ret = ff_qsv_map_error(err, &desc);
188  av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
189  return ret;
190 }
191 
193 {
194  switch (fourcc) {
195  case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
196  case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
197  case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
198 #if CONFIG_VAAPI
199  case MFX_FOURCC_YUY2: return AV_PIX_FMT_YUYV422;
200 #if QSV_VERSION_ATLEAST(1, 27)
201  case MFX_FOURCC_Y210: return AV_PIX_FMT_Y210;
202 #endif
203 #endif
204  }
205  return AV_PIX_FMT_NONE;
206 }
207 
209 {
210  switch (format) {
211  case AV_PIX_FMT_YUV420P:
212  case AV_PIX_FMT_YUVJ420P:
213  case AV_PIX_FMT_NV12:
214  *fourcc = MFX_FOURCC_NV12;
215  return AV_PIX_FMT_NV12;
217  case AV_PIX_FMT_P010:
218  *fourcc = MFX_FOURCC_P010;
219  return AV_PIX_FMT_P010;
220 #if CONFIG_VAAPI
221  case AV_PIX_FMT_YUV422P:
222  case AV_PIX_FMT_YUYV422:
223  *fourcc = MFX_FOURCC_YUY2;
224  return AV_PIX_FMT_YUYV422;
225 #if QSV_VERSION_ATLEAST(1, 27)
227  case AV_PIX_FMT_Y210:
228  *fourcc = MFX_FOURCC_Y210;
229  return AV_PIX_FMT_Y210;
230 #endif
231 #endif
232  default:
233  return AVERROR(ENOSYS);
234  }
235 }
236 
238 {
239  int i;
240  for (i = 0; i < ctx->nb_mids; i++) {
241  QSVMid *mid = &ctx->mids[i];
242  if (mid->handle == frame->surface.Data.MemId)
243  return i;
244  }
245  return AVERROR_BUG;
246 }
247 
248 enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
249 {
250  enum AVFieldOrder field = AV_FIELD_UNKNOWN;
251  switch (mfx_pic_struct & 0xF) {
252  case MFX_PICSTRUCT_PROGRESSIVE:
253  field = AV_FIELD_PROGRESSIVE;
254  break;
255  case MFX_PICSTRUCT_FIELD_TFF:
256  field = AV_FIELD_TT;
257  break;
258  case MFX_PICSTRUCT_FIELD_BFF:
259  field = AV_FIELD_BB;
260  break;
261  }
262 
263  return field;
264 }
265 
266 enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
267 {
268  enum AVPictureType type;
269  switch (mfx_pic_type & 0x7) {
270  case MFX_FRAMETYPE_I:
271  if (mfx_pic_type & MFX_FRAMETYPE_S)
272  type = AV_PICTURE_TYPE_SI;
273  else
274  type = AV_PICTURE_TYPE_I;
275  break;
276  case MFX_FRAMETYPE_B:
277  type = AV_PICTURE_TYPE_B;
278  break;
279  case MFX_FRAMETYPE_P:
280  if (mfx_pic_type & MFX_FRAMETYPE_S)
281  type = AV_PICTURE_TYPE_SP;
282  else
283  type = AV_PICTURE_TYPE_P;
284  break;
285  case MFX_FRAMETYPE_UNKNOWN:
286  type = AV_PICTURE_TYPE_NONE;
287  break;
288  default:
289  av_assert0(0);
290  }
291 
292  return type;
293 }
294 
295 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
296  void *logctx)
297 {
298  if (!load_plugins || !*load_plugins)
299  return 0;
300 
301  while (*load_plugins) {
302  mfxPluginUID uid;
303  mfxStatus ret;
304  int i, err = 0;
305 
306  char *plugin = av_get_token(&load_plugins, ":");
307  if (!plugin)
308  return AVERROR(ENOMEM);
309  if (strlen(plugin) != 2 * sizeof(uid.Data)) {
310  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
311  err = AVERROR(EINVAL);
312  goto load_plugin_fail;
313  }
314 
315  for (i = 0; i < sizeof(uid.Data); i++) {
316  err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
317  if (err != 1) {
318  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
319  err = AVERROR(EINVAL);
320  goto load_plugin_fail;
321  }
322 
323  }
324 
325  ret = MFXVideoUSER_Load(session, &uid, 1);
326  if (ret < 0) {
327  char errorbuf[128];
328  snprintf(errorbuf, sizeof(errorbuf),
329  "Could not load the requested plugin '%s'", plugin);
330  err = ff_qsv_print_error(logctx, ret, errorbuf);
331  goto load_plugin_fail;
332  }
333 
334  if (*load_plugins)
335  load_plugins++;
336 load_plugin_fail:
337  av_freep(&plugin);
338  if (err < 0)
339  return err;
340  }
341 
342  return 0;
343 
344 }
345 
346 //This code is only required for Linux since a display handle is required.
347 //For Windows the session is complete and ready to use.
348 
349 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
350 static int ff_qsv_set_display_handle(AVCodecContext *avctx, QSVSession *qs)
351 {
352  AVDictionary *child_device_opts = NULL;
353  AVVAAPIDeviceContext *hwctx;
354  int ret;
355 
356  av_dict_set(&child_device_opts, "kernel_driver", "i915", 0);
357  av_dict_set(&child_device_opts, "driver", "iHD", 0);
358 
359  ret = av_hwdevice_ctx_create(&qs->va_device_ref, AV_HWDEVICE_TYPE_VAAPI, NULL, child_device_opts, 0);
360  if (ret < 0) {
361  av_log(avctx, AV_LOG_ERROR, "Failed to create a VAAPI device.\n");
362  return ret;
363  } else {
364  qs->va_device_ctx = (AVHWDeviceContext*)qs->va_device_ref->data;
365  hwctx = qs->va_device_ctx->hwctx;
366 
367  ret = MFXVideoCORE_SetHandle(qs->session,
368  (mfxHandleType)MFX_HANDLE_VA_DISPLAY, (mfxHDL)hwctx->display);
369  if (ret < 0) {
370  return ff_qsv_print_error(avctx, ret, "Error during set display handle\n");
371  }
372  }
373 
374  av_dict_free(&child_device_opts);
375 
376  return 0;
377 }
378 #endif //AVCODEC_QSV_LINUX_SESSION_HANDLE
379 
381  const char *load_plugins, int gpu_copy)
382 {
383  mfxIMPL impl = MFX_IMPL_AUTO_ANY;
384  mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
385  mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
386 
387  const char *desc;
388  int ret;
389 
390 #if QSV_VERSION_ATLEAST(1, 16)
391  init_par.GPUCopy = gpu_copy;
392 #endif
393  init_par.Implementation = impl;
394  init_par.Version = ver;
395  ret = MFXInitEx(init_par, &qs->session);
396  if (ret < 0)
397  return ff_qsv_print_error(avctx, ret,
398  "Error initializing an internal MFX session");
399 
400 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
401  ret = ff_qsv_set_display_handle(avctx, qs);
402  if (ret < 0)
403  return ret;
404 #endif
405 
406  ret = qsv_load_plugins(qs->session, load_plugins, avctx);
407  if (ret < 0) {
408  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
409  return ret;
410  }
411 
412  MFXQueryIMPL(qs->session, &impl);
413 
414  switch (MFX_IMPL_BASETYPE(impl)) {
415  case MFX_IMPL_SOFTWARE:
416  desc = "software";
417  break;
418  case MFX_IMPL_HARDWARE:
419  case MFX_IMPL_HARDWARE2:
420  case MFX_IMPL_HARDWARE3:
421  case MFX_IMPL_HARDWARE4:
422  desc = "hardware accelerated";
423  break;
424  default:
425  desc = "unknown";
426  }
427 
428  av_log(avctx, AV_LOG_VERBOSE,
429  "Initialized an internal MFX session using %s implementation\n",
430  desc);
431 
432  return 0;
433 }
434 
435 static void mids_buf_free(void *opaque, uint8_t *data)
436 {
437  AVBufferRef *hw_frames_ref = opaque;
438  av_buffer_unref(&hw_frames_ref);
439  av_freep(&data);
440 }
441 
442 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
443 {
444  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
445  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
446  int nb_surfaces = frames_hwctx->nb_surfaces;
447 
448  AVBufferRef *mids_buf, *hw_frames_ref1;
449  QSVMid *mids;
450  int i;
451 
452  hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
453  if (!hw_frames_ref1)
454  return NULL;
455 
456  mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
457  if (!mids) {
458  av_buffer_unref(&hw_frames_ref1);
459  return NULL;
460  }
461 
462  mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
463  mids_buf_free, hw_frames_ref1, 0);
464  if (!mids_buf) {
465  av_buffer_unref(&hw_frames_ref1);
466  av_freep(&mids);
467  return NULL;
468  }
469 
470  for (i = 0; i < nb_surfaces; i++) {
471  QSVMid *mid = &mids[i];
472  mid->handle = frames_hwctx->surfaces[i].Data.MemId;
473  mid->hw_frames_ref = hw_frames_ref1;
474  }
475 
476  return mids_buf;
477 }
478 
479 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
480  AVBufferRef *mids_buf)
481 {
482  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
483  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
484  QSVMid *mids = (QSVMid*)mids_buf->data;
485  int nb_surfaces = frames_hwctx->nb_surfaces;
486  int i;
487 
488  // the allocated size of the array is two larger than the number of
489  // surfaces, we store the references to the frames context and the
490  // QSVMid array there
491  resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
492  if (!resp->mids)
493  return AVERROR(ENOMEM);
494 
495  for (i = 0; i < nb_surfaces; i++)
496  resp->mids[i] = &mids[i];
497  resp->NumFrameActual = nb_surfaces;
498 
499  resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
500  if (!resp->mids[resp->NumFrameActual]) {
501  av_freep(&resp->mids);
502  return AVERROR(ENOMEM);
503  }
504 
505  resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
506  if (!resp->mids[resp->NumFrameActual + 1]) {
507  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
508  av_freep(&resp->mids);
509  return AVERROR(ENOMEM);
510  }
511 
512  return 0;
513 }
514 
515 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
516  mfxFrameAllocResponse *resp)
517 {
518  QSVFramesContext *ctx = pthis;
519  int ret;
520 
521  /* this should only be called from an encoder or decoder and
522  * only allocates video memory frames */
523  if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
524  MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
525  !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
526  return MFX_ERR_UNSUPPORTED;
527 
528  if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
529  /* external frames -- fill from the caller-supplied frames context */
531  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
532  mfxFrameInfo *i = &req->Info;
533  mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
534 
535  if (i->Width > i1->Width || i->Height > i1->Height ||
536  i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
537  av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
538  "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
539  i->Width, i->Height, i->FourCC, i->ChromaFormat,
540  i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
541  return MFX_ERR_UNSUPPORTED;
542  }
543 
544  ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
545  if (ret < 0) {
546  av_log(ctx->logctx, AV_LOG_ERROR,
547  "Error filling an external frame allocation request\n");
548  return MFX_ERR_MEMORY_ALLOC;
549  }
550  } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
551  /* internal frames -- allocate a new hw frames context */
552  AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
553  mfxFrameInfo *i = &req->Info;
554 
555  AVBufferRef *frames_ref, *mids_buf;
556  AVHWFramesContext *frames_ctx;
557  AVQSVFramesContext *frames_hwctx;
558 
559  frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
560  if (!frames_ref)
561  return MFX_ERR_MEMORY_ALLOC;
562 
563  frames_ctx = (AVHWFramesContext*)frames_ref->data;
564  frames_hwctx = frames_ctx->hwctx;
565 
566  frames_ctx->format = AV_PIX_FMT_QSV;
567  frames_ctx->sw_format = ff_qsv_map_fourcc(i->FourCC);
568  frames_ctx->width = i->Width;
569  frames_ctx->height = i->Height;
570  frames_ctx->initial_pool_size = req->NumFrameSuggested;
571 
572  frames_hwctx->frame_type = req->Type;
573 
574  ret = av_hwframe_ctx_init(frames_ref);
575  if (ret < 0) {
576  av_log(ctx->logctx, AV_LOG_ERROR,
577  "Error initializing a frames context for an internal frame "
578  "allocation request\n");
579  av_buffer_unref(&frames_ref);
580  return MFX_ERR_MEMORY_ALLOC;
581  }
582 
583  mids_buf = qsv_create_mids(frames_ref);
584  if (!mids_buf) {
585  av_buffer_unref(&frames_ref);
586  return MFX_ERR_MEMORY_ALLOC;
587  }
588 
589  ret = qsv_setup_mids(resp, frames_ref, mids_buf);
590  av_buffer_unref(&mids_buf);
591  av_buffer_unref(&frames_ref);
592  if (ret < 0) {
593  av_log(ctx->logctx, AV_LOG_ERROR,
594  "Error filling an internal frame allocation request\n");
595  return MFX_ERR_MEMORY_ALLOC;
596  }
597  } else {
598  return MFX_ERR_UNSUPPORTED;
599  }
600 
601  return MFX_ERR_NONE;
602 }
603 
604 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
605 {
606  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
607  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
608  av_freep(&resp->mids);
609  return MFX_ERR_NONE;
610 }
611 
612 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
613 {
614  QSVMid *qsv_mid = mid;
615  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
616  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
617  int ret;
618 
619  if (qsv_mid->locked_frame)
620  return MFX_ERR_UNDEFINED_BEHAVIOR;
621 
622  /* Allocate a system memory frame that will hold the mapped data. */
623  qsv_mid->locked_frame = av_frame_alloc();
624  if (!qsv_mid->locked_frame)
625  return MFX_ERR_MEMORY_ALLOC;
626  qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
627 
628  /* wrap the provided handle in a hwaccel AVFrame */
629  qsv_mid->hw_frame = av_frame_alloc();
630  if (!qsv_mid->hw_frame)
631  goto fail;
632 
633  qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
634  qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
635 
636  // doesn't really matter what buffer is used here
637  qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
638  if (!qsv_mid->hw_frame->buf[0])
639  goto fail;
640 
641  qsv_mid->hw_frame->width = hw_frames_ctx->width;
642  qsv_mid->hw_frame->height = hw_frames_ctx->height;
643 
644  qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
645  if (!qsv_mid->hw_frame->hw_frames_ctx)
646  goto fail;
647 
648  qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
649  qsv_mid->surf.Data.MemId = qsv_mid->handle;
650 
651  /* map the data to the system memory */
652  ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
654  if (ret < 0)
655  goto fail;
656 
657  ptr->Pitch = qsv_mid->locked_frame->linesize[0];
658  ptr->Y = qsv_mid->locked_frame->data[0];
659  ptr->U = qsv_mid->locked_frame->data[1];
660  ptr->V = qsv_mid->locked_frame->data[1] + 1;
661 
662  return MFX_ERR_NONE;
663 fail:
664  av_frame_free(&qsv_mid->hw_frame);
665  av_frame_free(&qsv_mid->locked_frame);
666  return MFX_ERR_MEMORY_ALLOC;
667 }
668 
669 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
670 {
671  QSVMid *qsv_mid = mid;
672 
673  av_frame_free(&qsv_mid->locked_frame);
674  av_frame_free(&qsv_mid->hw_frame);
675 
676  return MFX_ERR_NONE;
677 }
678 
679 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
680 {
681  QSVMid *qsv_mid = (QSVMid*)mid;
682  *hdl = qsv_mid->handle;
683  return MFX_ERR_NONE;
684 }
685 
686 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
687  AVBufferRef *device_ref, const char *load_plugins,
688  int gpu_copy)
689 {
690  static const mfxHandleType handle_types[] = {
691  MFX_HANDLE_VA_DISPLAY,
692  MFX_HANDLE_D3D9_DEVICE_MANAGER,
693  MFX_HANDLE_D3D11_DEVICE,
694  };
695  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
696  AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
697  mfxSession parent_session = device_hwctx->session;
698  mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
699  mfxHDL handle = NULL;
700 
701  mfxSession session;
702  mfxVersion ver;
703  mfxIMPL impl;
704  mfxHandleType handle_type;
705  mfxStatus err;
706 
707  int i, ret;
708 
709  err = MFXQueryIMPL(parent_session, &impl);
710  if (err == MFX_ERR_NONE)
711  err = MFXQueryVersion(parent_session, &ver);
712  if (err != MFX_ERR_NONE)
713  return ff_qsv_print_error(avctx, err,
714  "Error querying the session attributes");
715 
716  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
717  err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
718  if (err == MFX_ERR_NONE) {
720  break;
721  }
722  handle = NULL;
723  }
724  if (!handle) {
725  av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
726  "from the session\n");
727  }
728 
729 #if QSV_VERSION_ATLEAST(1, 16)
730  init_par.GPUCopy = gpu_copy;
731 #endif
732  init_par.Implementation = impl;
733  init_par.Version = ver;
734  err = MFXInitEx(init_par, &session);
735  if (err != MFX_ERR_NONE)
736  return ff_qsv_print_error(avctx, err,
737  "Error initializing a child MFX session");
738 
739  if (handle) {
740  err = MFXVideoCORE_SetHandle(session, handle_type, handle);
741  if (err != MFX_ERR_NONE)
742  return ff_qsv_print_error(avctx, err,
743  "Error setting a HW handle");
744  }
745 
746  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
747  err = MFXJoinSession(parent_session, session);
748  if (err != MFX_ERR_NONE)
749  return ff_qsv_print_error(avctx, err,
750  "Error joining session");
751  }
752 
753  ret = qsv_load_plugins(session, load_plugins, avctx);
754  if (ret < 0) {
755  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
756  return ret;
757  }
758 
759  *psession = session;
760  return 0;
761 }
762 
763 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
764  QSVFramesContext *qsv_frames_ctx,
765  const char *load_plugins, int opaque, int gpu_copy)
766 {
767  mfxFrameAllocator frame_allocator = {
768  .pthis = qsv_frames_ctx,
769  .Alloc = qsv_frame_alloc,
770  .Lock = qsv_frame_lock,
771  .Unlock = qsv_frame_unlock,
772  .GetHDL = qsv_frame_get_hdl,
773  .Free = qsv_frame_free,
774  };
775 
776  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
777  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
778 
779  mfxSession session;
780  mfxStatus err;
781 
782  int ret;
783 
784  ret = ff_qsv_init_session_device(avctx, &session,
785  frames_ctx->device_ref, load_plugins, gpu_copy);
786  if (ret < 0)
787  return ret;
788 
789  if (!opaque) {
790  qsv_frames_ctx->logctx = avctx;
791 
792  /* allocate the memory ids for the external frames */
793  av_buffer_unref(&qsv_frames_ctx->mids_buf);
794  qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
795  if (!qsv_frames_ctx->mids_buf)
796  return AVERROR(ENOMEM);
797  qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
798  qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
799 
800  err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
801  if (err != MFX_ERR_NONE)
802  return ff_qsv_print_error(avctx, err,
803  "Error setting a frame allocator");
804  }
805 
806  *psession = session;
807  return 0;
808 }
809 
811 {
812  if (qs->session) {
813  MFXClose(qs->session);
814  qs->session = NULL;
815  }
816 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
817  av_buffer_unref(&qs->va_device_ref);
818 #endif
819  return 0;
820 }
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:61
#define NULL
Definition: coverity.c:32
static const char * format[]
Definition: af_aiir.c:339
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
static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameAllocResponse *resp)
Definition: qsv.c:515
static const mfxHandleType handle_types[]
Definition: qsvvpp.c:71
static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:669
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
mfxHandleType handle_type
Definition: hwcontext_qsv.c:89
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:491
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
The mapping must be direct.
Definition: hwcontext.h:540
uint32_t fourcc
Definition: vaapi_decode.c:239
static int qsv_load_plugins(mfxSession session, const char *load_plugins, void *logctx)
Definition: qsv.c:295
int ff_qsv_level_to_mfx(enum AVCodecID codec_id, int level)
Definition: qsv.c:75
int averr
Definition: qsv.c:119
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:229
#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR)
Definition: qsv_internal.h:57
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins, int gpu_copy)
Definition: qsv.c:686
static const struct @117 qsv_errors[]
AVFrame * locked_frame
Definition: qsv_internal.h:65
AVBufferRef * hw_frames_ctx
Definition: qsv_internal.h:92
int ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsv.c:172
Undefined.
Definition: avutil.h:273
Switching Intra.
Definition: avutil.h:278
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:639
UID uid
Definition: mxfenc.c:2136
#define FF_LEVEL_UNKNOWN
Definition: avcodec.h:1983
#define AV_PIX_FMT_P010
Definition: pixfmt.h:446
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
uint8_t
AVFrame * hw_frame
Definition: qsv_internal.h:66
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:190
static const struct @116 qsv_iopatterns[]
AVBufferRef * mids_buf
Definition: qsv_internal.h:99
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:77
static void mids_buf_free(void *opaque, uint8_t *data)
Definition: qsv.c:435
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:92
const char data[16]
Definition: mxf.c:91
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 mfx_iopattern
Definition: qsv.c:89
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
Convert a libmfx error code into an ffmpeg error code.
Definition: qsv.c:157
#define av_log(a,...)
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
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:763
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
int width
Definition: frame.h:358
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
Definition: qsv.c:237
error code definitions
#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
static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: qsv.c:604
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
mfxHDL handle
Definition: qsv_internal.h:63
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
int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern, const char *extra_string)
Definition: qsv.c:100
simple assert() macros that are a bit more flexible than ISO C assert().
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:29
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:333
int ff_qsv_close_internal_session(QSVSession *qs)
Definition: qsv.c:810
enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
Definition: qsv.c:266
#define fail()
Definition: checkasm.h:123
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:149
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsv.c:182
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
Definition: qsv.c:208
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define QSV_VERSION_MINOR
Definition: qsv_internal.h:47
const char * desc
Definition: qsv.c:90
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:43
static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
Definition: qsv.c:679
AVFormatContext * ctx
Definition: movenc.c:48
enum AVCodecID codec_id
Definition: vaapi_decode.c:369
mfxFrameSurface1 surface
Definition: qsv_internal.h:72
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
#define FF_ARRAY_ELEMS(a)
VADisplay display
The VADisplay handle, to be filled by the user.
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:373
Libavcodec external API header.
AVBufferRef * av_buffer_alloc(int size)
Allocate an AVBuffer of the given size using av_malloc().
Definition: buffer.c:67
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
main external API structure.
Definition: avcodec.h:526
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:162
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:67
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_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:397
Switching Predicted.
Definition: avutil.h:279
AVBufferRef * hw_frames_ref
Definition: qsv_internal.h:62
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:124
cl_device_type type
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:222
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs, const char *load_plugins, int gpu_copy)
Definition: qsv.c:380
AVPictureType
Definition: avutil.h:272
#define snprintf
Definition: snprintf.h:34
static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref, AVBufferRef *mids_buf)
Definition: qsv.c:479
static AVBufferRef * qsv_create_mids(AVBufferRef *hw_frames_ref)
Definition: qsv.c:442
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
uint8_t level
Definition: svq3.c:210
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:141
AVFieldOrder
Definition: codec_par.h:36
mfxStatus mfxerr
Definition: qsv.c:118
A reference to a data buffer.
Definition: buffer.h:81
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
common internal and external API header
if(ret< 0)
Definition: vf_mcdeint.c:279
static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:612
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
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
mfxFrameSurface1 surf
Definition: qsv_internal.h:67
Bi-dir predicted.
Definition: avutil.h:276
#define QSV_VERSION_MAJOR
Definition: qsv_internal.h:46
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
VAAPI connection details.
int height
Definition: frame.h:358
enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
Definition: qsv.c:248
#define av_freep(p)
An API-specific header for AV_HWDEVICE_TYPE_QSV.
#define AV_PIX_FMT_Y210
Definition: pixfmt.h:449
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:222
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
mfxSession session
Definition: qsv_internal.h:84
Predicted.
Definition: avutil.h:275
enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:192
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:190