FFmpeg  4.0
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 
35 #include "avcodec.h"
36 #include "qsv_internal.h"
37 
38 #if QSV_VERSION_ATLEAST(1, 12)
39 #include "mfx/mfxvp8.h"
40 #endif
41 
43 {
44  switch (codec_id) {
45  case AV_CODEC_ID_H264:
46  return MFX_CODEC_AVC;
47 #if QSV_VERSION_ATLEAST(1, 8)
48  case AV_CODEC_ID_HEVC:
49  return MFX_CODEC_HEVC;
50 #endif
53  return MFX_CODEC_MPEG2;
54  case AV_CODEC_ID_VC1:
55  return MFX_CODEC_VC1;
56 #if QSV_VERSION_ATLEAST(1, 12)
57  case AV_CODEC_ID_VP8:
58  return MFX_CODEC_VP8;
59 #endif
60  case AV_CODEC_ID_MJPEG:
61  return MFX_CODEC_JPEG;
62  default:
63  break;
64  }
65 
66  return AVERROR(ENOSYS);
67 }
68 
70 {
71  if (profile == FF_PROFILE_UNKNOWN)
72  return MFX_PROFILE_UNKNOWN;
73  switch (codec_id) {
74  case AV_CODEC_ID_H264:
75  case AV_CODEC_ID_HEVC:
76  return profile;
77  case AV_CODEC_ID_VC1:
78  return 4 * profile + 1;
80  return 0x10 * profile;
81  }
82  return MFX_PROFILE_UNKNOWN;
83 }
84 
85 static const struct {
86  mfxStatus mfxerr;
87  int averr;
88  const char *desc;
89 } qsv_errors[] = {
90  { MFX_ERR_NONE, 0, "success" },
91  { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
92  { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
93  { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
94  { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
95  { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
96  { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
97  { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
98  { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
99  { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
100  /* the following 3 errors should always be handled explicitly, so those "mappings"
101  * are for completeness only */
102  { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
103  { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
104  { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
105  { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
106  { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
107  { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
108  { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
109  { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
110  { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
111  { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
112  { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
113 
114  { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
115  { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
116  { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
117  { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
118  { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
119  { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
120  { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
121  { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
122  { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
123 };
124 
125 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
126 {
127  int i;
128  for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
129  if (qsv_errors[i].mfxerr == mfx_err) {
130  if (desc)
131  *desc = qsv_errors[i].desc;
132  return qsv_errors[i].averr;
133  }
134  }
135  if (desc)
136  *desc = "unknown error";
137  return AVERROR_UNKNOWN;
138 }
139 
140 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
141  const char *error_string)
142 {
143  const char *desc;
144  int ret;
145  ret = ff_qsv_map_error(err, &desc);
146  av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
147  return ret;
148 }
149 
150 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
151  const char *warning_string)
152 {
153  const char *desc;
154  int ret;
155  ret = ff_qsv_map_error(err, &desc);
156  av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
157  return ret;
158 }
159 
160 static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
161 {
162  switch (fourcc) {
163  case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
164  case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
165  case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
166  }
167  return AV_PIX_FMT_NONE;
168 }
169 
171 {
172  switch (format) {
173  case AV_PIX_FMT_YUV420P:
174  case AV_PIX_FMT_YUVJ420P:
175  case AV_PIX_FMT_NV12:
176  *fourcc = MFX_FOURCC_NV12;
177  return AV_PIX_FMT_NV12;
179  case AV_PIX_FMT_P010:
180  *fourcc = MFX_FOURCC_P010;
181  return AV_PIX_FMT_P010;
182  default:
183  return AVERROR(ENOSYS);
184  }
185 }
186 
188 {
189  int i;
190  for (i = 0; i < ctx->nb_mids; i++) {
191  QSVMid *mid = &ctx->mids[i];
192  if (mid->handle == frame->surface.Data.MemId)
193  return i;
194  }
195  return AVERROR_BUG;
196 }
197 
198 enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
199 {
200  enum AVPictureType type;
201  switch (mfx_pic_type & 0x7) {
202  case MFX_FRAMETYPE_I:
203  if (mfx_pic_type & MFX_FRAMETYPE_S)
204  type = AV_PICTURE_TYPE_SI;
205  else
206  type = AV_PICTURE_TYPE_I;
207  break;
208  case MFX_FRAMETYPE_B:
209  type = AV_PICTURE_TYPE_B;
210  break;
211  case MFX_FRAMETYPE_P:
212  if (mfx_pic_type & MFX_FRAMETYPE_S)
213  type = AV_PICTURE_TYPE_SP;
214  else
215  type = AV_PICTURE_TYPE_P;
216  break;
217  }
218 
219  return type;
220 }
221 
222 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
223  void *logctx)
224 {
225  if (!load_plugins || !*load_plugins)
226  return 0;
227 
228  while (*load_plugins) {
229  mfxPluginUID uid;
230  mfxStatus ret;
231  int i, err = 0;
232 
233  char *plugin = av_get_token(&load_plugins, ":");
234  if (!plugin)
235  return AVERROR(ENOMEM);
236  if (strlen(plugin) != 2 * sizeof(uid.Data)) {
237  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
238  err = AVERROR(EINVAL);
239  goto load_plugin_fail;
240  }
241 
242  for (i = 0; i < sizeof(uid.Data); i++) {
243  err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
244  if (err != 1) {
245  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
246  err = AVERROR(EINVAL);
247  goto load_plugin_fail;
248  }
249 
250  }
251 
252  ret = MFXVideoUSER_Load(session, &uid, 1);
253  if (ret < 0) {
254  char errorbuf[128];
255  snprintf(errorbuf, sizeof(errorbuf),
256  "Could not load the requested plugin '%s'", plugin);
257  err = ff_qsv_print_error(logctx, ret, errorbuf);
258  goto load_plugin_fail;
259  }
260 
261  if (*load_plugins)
262  load_plugins++;
263 load_plugin_fail:
264  av_freep(&plugin);
265  if (err < 0)
266  return err;
267  }
268 
269  return 0;
270 
271 }
272 
273 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
274  const char *load_plugins)
275 {
276  mfxIMPL impl = MFX_IMPL_AUTO_ANY;
277  mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
278 
279  const char *desc;
280  int ret;
281 
282  ret = MFXInit(impl, &ver, session);
283  if (ret < 0)
284  return ff_qsv_print_error(avctx, ret,
285  "Error initializing an internal MFX session");
286 
287  ret = qsv_load_plugins(*session, load_plugins, avctx);
288  if (ret < 0) {
289  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
290  return ret;
291  }
292 
293  MFXQueryIMPL(*session, &impl);
294 
295  switch (MFX_IMPL_BASETYPE(impl)) {
296  case MFX_IMPL_SOFTWARE:
297  desc = "software";
298  break;
299  case MFX_IMPL_HARDWARE:
300  case MFX_IMPL_HARDWARE2:
301  case MFX_IMPL_HARDWARE3:
302  case MFX_IMPL_HARDWARE4:
303  desc = "hardware accelerated";
304  break;
305  default:
306  desc = "unknown";
307  }
308 
309  av_log(avctx, AV_LOG_VERBOSE,
310  "Initialized an internal MFX session using %s implementation\n",
311  desc);
312 
313  return 0;
314 }
315 
316 static void mids_buf_free(void *opaque, uint8_t *data)
317 {
318  AVBufferRef *hw_frames_ref = opaque;
319  av_buffer_unref(&hw_frames_ref);
320  av_freep(&data);
321 }
322 
323 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
324 {
325  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
326  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
327  int nb_surfaces = frames_hwctx->nb_surfaces;
328 
329  AVBufferRef *mids_buf, *hw_frames_ref1;
330  QSVMid *mids;
331  int i;
332 
333  hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
334  if (!hw_frames_ref1)
335  return NULL;
336 
337  mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
338  if (!mids) {
339  av_buffer_unref(&hw_frames_ref1);
340  return NULL;
341  }
342 
343  mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
344  mids_buf_free, hw_frames_ref1, 0);
345  if (!mids_buf) {
346  av_buffer_unref(&hw_frames_ref1);
347  av_freep(&mids);
348  return NULL;
349  }
350 
351  for (i = 0; i < nb_surfaces; i++) {
352  QSVMid *mid = &mids[i];
353  mid->handle = frames_hwctx->surfaces[i].Data.MemId;
354  mid->hw_frames_ref = hw_frames_ref1;
355  }
356 
357  return mids_buf;
358 }
359 
360 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
361  AVBufferRef *mids_buf)
362 {
363  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
364  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
365  QSVMid *mids = (QSVMid*)mids_buf->data;
366  int nb_surfaces = frames_hwctx->nb_surfaces;
367  int i;
368 
369  // the allocated size of the array is two larger than the number of
370  // surfaces, we store the references to the frames context and the
371  // QSVMid array there
372  resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
373  if (!resp->mids)
374  return AVERROR(ENOMEM);
375 
376  for (i = 0; i < nb_surfaces; i++)
377  resp->mids[i] = &mids[i];
378  resp->NumFrameActual = nb_surfaces;
379 
380  resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
381  if (!resp->mids[resp->NumFrameActual]) {
382  av_freep(&resp->mids);
383  return AVERROR(ENOMEM);
384  }
385 
386  resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
387  if (!resp->mids[resp->NumFrameActual + 1]) {
388  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
389  av_freep(&resp->mids);
390  return AVERROR(ENOMEM);
391  }
392 
393  return 0;
394 }
395 
396 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
397  mfxFrameAllocResponse *resp)
398 {
399  QSVFramesContext *ctx = pthis;
400  int ret;
401 
402  /* this should only be called from an encoder or decoder and
403  * only allocates video memory frames */
404  if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
405  MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
406  !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
407  return MFX_ERR_UNSUPPORTED;
408 
409  if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
410  /* external frames -- fill from the caller-supplied frames context */
412  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
413  mfxFrameInfo *i = &req->Info;
414  mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
415 
416  if (i->Width > i1->Width || i->Height > i1->Height ||
417  i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
418  av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
419  "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
420  i->Width, i->Height, i->FourCC, i->ChromaFormat,
421  i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
422  return MFX_ERR_UNSUPPORTED;
423  }
424 
425  ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
426  if (ret < 0) {
427  av_log(ctx->logctx, AV_LOG_ERROR,
428  "Error filling an external frame allocation request\n");
429  return MFX_ERR_MEMORY_ALLOC;
430  }
431  } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
432  /* internal frames -- allocate a new hw frames context */
433  AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
434  mfxFrameInfo *i = &req->Info;
435 
436  AVBufferRef *frames_ref, *mids_buf;
437  AVHWFramesContext *frames_ctx;
438  AVQSVFramesContext *frames_hwctx;
439 
440  frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
441  if (!frames_ref)
442  return MFX_ERR_MEMORY_ALLOC;
443 
444  frames_ctx = (AVHWFramesContext*)frames_ref->data;
445  frames_hwctx = frames_ctx->hwctx;
446 
447  frames_ctx->format = AV_PIX_FMT_QSV;
448  frames_ctx->sw_format = qsv_map_fourcc(i->FourCC);
449  frames_ctx->width = i->Width;
450  frames_ctx->height = i->Height;
451  frames_ctx->initial_pool_size = req->NumFrameSuggested;
452 
453  frames_hwctx->frame_type = req->Type;
454 
455  ret = av_hwframe_ctx_init(frames_ref);
456  if (ret < 0) {
457  av_log(ctx->logctx, AV_LOG_ERROR,
458  "Error initializing a frames context for an internal frame "
459  "allocation request\n");
460  av_buffer_unref(&frames_ref);
461  return MFX_ERR_MEMORY_ALLOC;
462  }
463 
464  mids_buf = qsv_create_mids(frames_ref);
465  if (!mids_buf) {
466  av_buffer_unref(&frames_ref);
467  return MFX_ERR_MEMORY_ALLOC;
468  }
469 
470  ret = qsv_setup_mids(resp, frames_ref, mids_buf);
471  av_buffer_unref(&mids_buf);
472  av_buffer_unref(&frames_ref);
473  if (ret < 0) {
474  av_log(ctx->logctx, AV_LOG_ERROR,
475  "Error filling an internal frame allocation request\n");
476  return MFX_ERR_MEMORY_ALLOC;
477  }
478  } else {
479  return MFX_ERR_UNSUPPORTED;
480  }
481 
482  return MFX_ERR_NONE;
483 }
484 
485 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
486 {
487  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
488  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
489  av_freep(&resp->mids);
490  return MFX_ERR_NONE;
491 }
492 
493 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
494 {
495  QSVMid *qsv_mid = mid;
496  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
497  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
498  int ret;
499 
500  if (qsv_mid->locked_frame)
501  return MFX_ERR_UNDEFINED_BEHAVIOR;
502 
503  /* Allocate a system memory frame that will hold the mapped data. */
504  qsv_mid->locked_frame = av_frame_alloc();
505  if (!qsv_mid->locked_frame)
506  return MFX_ERR_MEMORY_ALLOC;
507  qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
508 
509  /* wrap the provided handle in a hwaccel AVFrame */
510  qsv_mid->hw_frame = av_frame_alloc();
511  if (!qsv_mid->hw_frame)
512  goto fail;
513 
514  qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
515  qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
516 
517  // doesn't really matter what buffer is used here
518  qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
519  if (!qsv_mid->hw_frame->buf[0])
520  goto fail;
521 
522  qsv_mid->hw_frame->width = hw_frames_ctx->width;
523  qsv_mid->hw_frame->height = hw_frames_ctx->height;
524 
525  qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
526  if (!qsv_mid->hw_frame->hw_frames_ctx)
527  goto fail;
528 
529  qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
530  qsv_mid->surf.Data.MemId = qsv_mid->handle;
531 
532  /* map the data to the system memory */
533  ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
535  if (ret < 0)
536  goto fail;
537 
538  ptr->Pitch = qsv_mid->locked_frame->linesize[0];
539  ptr->Y = qsv_mid->locked_frame->data[0];
540  ptr->U = qsv_mid->locked_frame->data[1];
541  ptr->V = qsv_mid->locked_frame->data[1] + 1;
542 
543  return MFX_ERR_NONE;
544 fail:
545  av_frame_free(&qsv_mid->hw_frame);
546  av_frame_free(&qsv_mid->locked_frame);
547  return MFX_ERR_MEMORY_ALLOC;
548 }
549 
550 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
551 {
552  QSVMid *qsv_mid = mid;
553 
554  av_frame_free(&qsv_mid->locked_frame);
555  av_frame_free(&qsv_mid->hw_frame);
556 
557  return MFX_ERR_NONE;
558 }
559 
560 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
561 {
562  QSVMid *qsv_mid = (QSVMid*)mid;
563  *hdl = qsv_mid->handle;
564  return MFX_ERR_NONE;
565 }
566 
567 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
568  AVBufferRef *device_ref, const char *load_plugins)
569 {
570  static const mfxHandleType handle_types[] = {
571  MFX_HANDLE_VA_DISPLAY,
572  MFX_HANDLE_D3D9_DEVICE_MANAGER,
573  MFX_HANDLE_D3D11_DEVICE,
574  };
575  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
576  AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
577  mfxSession parent_session = device_hwctx->session;
578 
579  mfxSession session;
580  mfxVersion ver;
581  mfxIMPL impl;
582  mfxHDL handle = NULL;
583  mfxHandleType handle_type;
584  mfxStatus err;
585 
586  int i, ret;
587 
588  err = MFXQueryIMPL(parent_session, &impl);
589  if (err == MFX_ERR_NONE)
590  err = MFXQueryVersion(parent_session, &ver);
591  if (err != MFX_ERR_NONE)
592  return ff_qsv_print_error(avctx, err,
593  "Error querying the session attributes");
594 
595  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
596  err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
597  if (err == MFX_ERR_NONE) {
598  handle_type = handle_types[i];
599  break;
600  }
601  handle = NULL;
602  }
603  if (!handle) {
604  av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
605  "from the session\n");
606  }
607 
608  err = MFXInit(impl, &ver, &session);
609  if (err != MFX_ERR_NONE)
610  return ff_qsv_print_error(avctx, err,
611  "Error initializing a child MFX session");
612 
613  if (handle) {
614  err = MFXVideoCORE_SetHandle(session, handle_type, handle);
615  if (err != MFX_ERR_NONE)
616  return ff_qsv_print_error(avctx, err,
617  "Error setting a HW handle");
618  }
619 
620  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
621  err = MFXJoinSession(parent_session, session);
622  if (err != MFX_ERR_NONE)
623  return ff_qsv_print_error(avctx, err,
624  "Error joining session");
625  }
626 
627  ret = qsv_load_plugins(session, load_plugins, avctx);
628  if (ret < 0) {
629  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
630  return ret;
631  }
632 
633  *psession = session;
634  return 0;
635 }
636 
637 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
638  QSVFramesContext *qsv_frames_ctx,
639  const char *load_plugins, int opaque)
640 {
641  mfxFrameAllocator frame_allocator = {
642  .pthis = qsv_frames_ctx,
643  .Alloc = qsv_frame_alloc,
644  .Lock = qsv_frame_lock,
645  .Unlock = qsv_frame_unlock,
646  .GetHDL = qsv_frame_get_hdl,
647  .Free = qsv_frame_free,
648  };
649 
650  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
651  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
652 
653  mfxSession session;
654  mfxStatus err;
655 
656  int ret;
657 
658  ret = ff_qsv_init_session_device(avctx, &session,
659  frames_ctx->device_ref, load_plugins);
660  if (ret < 0)
661  return ret;
662 
663  if (!opaque) {
664  qsv_frames_ctx->logctx = avctx;
665 
666  /* allocate the memory ids for the external frames */
667  av_buffer_unref(&qsv_frames_ctx->mids_buf);
668  qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
669  if (!qsv_frames_ctx->mids_buf)
670  return AVERROR(ENOMEM);
671  qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
672  qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
673 
674  err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
675  if (err != MFX_ERR_NONE)
676  return ff_qsv_print_error(avctx, err,
677  "Error setting a frame allocator");
678  }
679 
680  *psession = session;
681  return 0;
682 }
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:60
#define NULL
Definition: coverity.c:32
static const char * format[]
Definition: af_aiir.c:311
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:396
static const mfxHandleType handle_types[]
Definition: qsvvpp.c:71
static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:550
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
mfxHandleType handle_type
Definition: hwcontext_qsv.c:75
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:410
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
uint32_t fourcc
Definition: vaapi_decode.c:236
static int qsv_load_plugins(mfxSession session, const char *load_plugins, void *logctx)
Definition: qsv.c:222
int averr
Definition: qsv.c:87
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:228
#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR)
Definition: qsv_internal.h:41
AVFrame * locked_frame
Definition: qsv_internal.h:49
AVBufferRef * hw_frames_ctx
Definition: qsv_internal.h:68
int ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsv.c:140
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:556
UID uid
Definition: mxfenc.c:1946
#define AV_PIX_FMT_P010
Definition: pixfmt.h:413
uint8_t
AVFrame * hw_frame
Definition: qsv_internal.h:50
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:189
AVBufferRef * mids_buf
Definition: qsv_internal.h:75
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:73
static void mids_buf_free(void *opaque, uint8_t *data)
Definition: qsv.c:316
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
#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:125
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque)
Definition: qsv.c:637
#define av_log(a,...)
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
int width
Definition: frame.h:276
#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:187
error code definitions
static const struct @108 qsv_errors[]
#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
The mapping must be direct.
Definition: hwcontext.h:519
static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: qsv.c:485
mfxHDL handle
Definition: qsv_internal.h:47
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
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
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:329
enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
Definition: qsv.c:198
#define fail()
Definition: checkasm.h:116
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
int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsv.c:150
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
Definition: qsv.c:170
int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile)
Definition: qsv.c:69
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
#define QSV_VERSION_MINOR
Definition: qsv_internal.h:31
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2844
const char * desc
Definition: qsv.c:88
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:42
static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
Definition: qsv.c:560
AVFormatContext * ctx
Definition: movenc.c:48
enum AVCodecID codec_id
Definition: vaapi_decode.c:362
mfxFrameSurface1 surface
Definition: qsv_internal.h:56
if(ret< 0)
Definition: vf_mcdeint.c:279
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
#define FF_ARRAY_ELEMS(a)
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:291
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:249
main external API structure.
Definition: avcodec.h:1518
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
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:368
Switching Predicted.
Definition: avutil.h:279
AVBufferRef * hw_frames_ref
Definition: qsv_internal.h:46
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:123
cl_device_type type
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:218
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:360
mfxU16 profile
Definition: qsvenc.c:44
static AVBufferRef * qsv_create_mids(AVBufferRef *hw_frames_ref)
Definition: qsv.c:323
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:140
mfxStatus mfxerr
Definition: qsv.c:86
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:62
common internal and external API header
static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:493
static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:160
int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags)
Map a hardware frame.
Definition: hwcontext.c:741
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
Definition: hwcontext.c:243
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
mfxFrameSurface1 surf
Definition: qsv_internal.h:51
Bi-dir predicted.
Definition: avutil.h:276
int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session, const char *load_plugins)
Definition: qsv.c:273
#define QSV_VERSION_MAJOR
Definition: qsv_internal.h:30
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
int height
Definition: frame.h:276
#define av_freep(p)
An API-specific header for AV_HWDEVICE_TYPE_QSV.
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
Predicted.
Definition: avutil.h:275
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins)
Definition: qsv.c:567
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:191