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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  default:
64  break;
65  }
66 
67  return AVERROR(ENOSYS);
68 }
69 
71 {
72  if (profile == FF_PROFILE_UNKNOWN)
73  return MFX_PROFILE_UNKNOWN;
74  switch (codec_id) {
75  case AV_CODEC_ID_H264:
76  case AV_CODEC_ID_HEVC:
77  return profile;
78  case AV_CODEC_ID_VC1:
79  return 4 * profile + 1;
81  return 0x10 * profile;
82  }
83  return MFX_PROFILE_UNKNOWN;
84 }
85 
86 static const struct {
87  mfxStatus mfxerr;
88  int averr;
89  const char *desc;
90 } qsv_errors[] = {
91  { MFX_ERR_NONE, 0, "success" },
92  { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
93  { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
94  { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
95  { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
96  { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
97  { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
98  { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
99  { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
100  { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
101  /* the following 3 errors should always be handled explicitly, so those "mappings"
102  * are for completeness only */
103  { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
104  { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
105  { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
106  { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
107  { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
108  { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
109  { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
110  { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
111  { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
112  { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
113  { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
114 
115  { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
116  { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
117  { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
118  { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
119  { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
120  { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
121  { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
122  { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
123  { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
124 };
125 
126 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
127 {
128  int i;
129  for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
130  if (qsv_errors[i].mfxerr == mfx_err) {
131  if (desc)
132  *desc = qsv_errors[i].desc;
133  return qsv_errors[i].averr;
134  }
135  }
136  if (desc)
137  *desc = "unknown error";
138  return AVERROR_UNKNOWN;
139 }
140 
141 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
142  const char *error_string)
143 {
144  const char *desc;
145  int ret;
146  ret = ff_qsv_map_error(err, &desc);
147  av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
148  return ret;
149 }
150 
151 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
152  const char *warning_string)
153 {
154  const char *desc;
155  int ret;
156  ret = ff_qsv_map_error(err, &desc);
157  av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
158  return ret;
159 }
160 
161 static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
162 {
163  switch (fourcc) {
164  case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
165  case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
166  case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
167  }
168  return AV_PIX_FMT_NONE;
169 }
170 
172 {
173  switch (format) {
174  case AV_PIX_FMT_YUV420P:
175  case AV_PIX_FMT_YUVJ420P:
176  case AV_PIX_FMT_NV12:
177  *fourcc = MFX_FOURCC_NV12;
178  return AV_PIX_FMT_NV12;
180  case AV_PIX_FMT_P010:
181  *fourcc = MFX_FOURCC_P010;
182  return AV_PIX_FMT_P010;
183  default:
184  return AVERROR(ENOSYS);
185  }
186 }
187 
189 {
190  int i;
191  for (i = 0; i < ctx->nb_mids; i++) {
192  QSVMid *mid = &ctx->mids[i];
193  if (mid->handle == frame->surface.Data.MemId)
194  return i;
195  }
196  return AVERROR_BUG;
197 }
198 
199 enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
200 {
201  enum AVPictureType type;
202  switch (mfx_pic_type & 0x7) {
203  case MFX_FRAMETYPE_I:
204  if (mfx_pic_type & MFX_FRAMETYPE_S)
205  type = AV_PICTURE_TYPE_SI;
206  else
207  type = AV_PICTURE_TYPE_I;
208  break;
209  case MFX_FRAMETYPE_B:
210  type = AV_PICTURE_TYPE_B;
211  break;
212  case MFX_FRAMETYPE_P:
213  if (mfx_pic_type & MFX_FRAMETYPE_S)
214  type = AV_PICTURE_TYPE_SP;
215  else
216  type = AV_PICTURE_TYPE_P;
217  break;
218  case MFX_FRAMETYPE_UNKNOWN:
219  type = AV_PICTURE_TYPE_NONE;
220  break;
221  default:
222  av_assert0(0);
223  }
224 
225  return type;
226 }
227 
228 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
229  void *logctx)
230 {
231  if (!load_plugins || !*load_plugins)
232  return 0;
233 
234  while (*load_plugins) {
235  mfxPluginUID uid;
236  mfxStatus ret;
237  int i, err = 0;
238 
239  char *plugin = av_get_token(&load_plugins, ":");
240  if (!plugin)
241  return AVERROR(ENOMEM);
242  if (strlen(plugin) != 2 * sizeof(uid.Data)) {
243  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
244  err = AVERROR(EINVAL);
245  goto load_plugin_fail;
246  }
247 
248  for (i = 0; i < sizeof(uid.Data); i++) {
249  err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
250  if (err != 1) {
251  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
252  err = AVERROR(EINVAL);
253  goto load_plugin_fail;
254  }
255 
256  }
257 
258  ret = MFXVideoUSER_Load(session, &uid, 1);
259  if (ret < 0) {
260  char errorbuf[128];
261  snprintf(errorbuf, sizeof(errorbuf),
262  "Could not load the requested plugin '%s'", plugin);
263  err = ff_qsv_print_error(logctx, ret, errorbuf);
264  goto load_plugin_fail;
265  }
266 
267  if (*load_plugins)
268  load_plugins++;
269 load_plugin_fail:
270  av_freep(&plugin);
271  if (err < 0)
272  return err;
273  }
274 
275  return 0;
276 
277 }
278 
279 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
280  const char *load_plugins)
281 {
282  mfxIMPL impl = MFX_IMPL_AUTO_ANY;
283  mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
284 
285  const char *desc;
286  int ret;
287 
288  ret = MFXInit(impl, &ver, session);
289  if (ret < 0)
290  return ff_qsv_print_error(avctx, ret,
291  "Error initializing an internal MFX session");
292 
293  ret = qsv_load_plugins(*session, load_plugins, avctx);
294  if (ret < 0) {
295  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
296  return ret;
297  }
298 
299  MFXQueryIMPL(*session, &impl);
300 
301  switch (MFX_IMPL_BASETYPE(impl)) {
302  case MFX_IMPL_SOFTWARE:
303  desc = "software";
304  break;
305  case MFX_IMPL_HARDWARE:
306  case MFX_IMPL_HARDWARE2:
307  case MFX_IMPL_HARDWARE3:
308  case MFX_IMPL_HARDWARE4:
309  desc = "hardware accelerated";
310  break;
311  default:
312  desc = "unknown";
313  }
314 
315  av_log(avctx, AV_LOG_VERBOSE,
316  "Initialized an internal MFX session using %s implementation\n",
317  desc);
318 
319  return 0;
320 }
321 
322 static void mids_buf_free(void *opaque, uint8_t *data)
323 {
324  AVBufferRef *hw_frames_ref = opaque;
325  av_buffer_unref(&hw_frames_ref);
326  av_freep(&data);
327 }
328 
329 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
330 {
331  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
332  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
333  int nb_surfaces = frames_hwctx->nb_surfaces;
334 
335  AVBufferRef *mids_buf, *hw_frames_ref1;
336  QSVMid *mids;
337  int i;
338 
339  hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
340  if (!hw_frames_ref1)
341  return NULL;
342 
343  mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
344  if (!mids) {
345  av_buffer_unref(&hw_frames_ref1);
346  return NULL;
347  }
348 
349  mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
350  mids_buf_free, hw_frames_ref1, 0);
351  if (!mids_buf) {
352  av_buffer_unref(&hw_frames_ref1);
353  av_freep(&mids);
354  return NULL;
355  }
356 
357  for (i = 0; i < nb_surfaces; i++) {
358  QSVMid *mid = &mids[i];
359  mid->handle = frames_hwctx->surfaces[i].Data.MemId;
360  mid->hw_frames_ref = hw_frames_ref1;
361  }
362 
363  return mids_buf;
364 }
365 
366 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
367  AVBufferRef *mids_buf)
368 {
369  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
370  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
371  QSVMid *mids = (QSVMid*)mids_buf->data;
372  int nb_surfaces = frames_hwctx->nb_surfaces;
373  int i;
374 
375  // the allocated size of the array is two larger than the number of
376  // surfaces, we store the references to the frames context and the
377  // QSVMid array there
378  resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
379  if (!resp->mids)
380  return AVERROR(ENOMEM);
381 
382  for (i = 0; i < nb_surfaces; i++)
383  resp->mids[i] = &mids[i];
384  resp->NumFrameActual = nb_surfaces;
385 
386  resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
387  if (!resp->mids[resp->NumFrameActual]) {
388  av_freep(&resp->mids);
389  return AVERROR(ENOMEM);
390  }
391 
392  resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
393  if (!resp->mids[resp->NumFrameActual + 1]) {
394  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
395  av_freep(&resp->mids);
396  return AVERROR(ENOMEM);
397  }
398 
399  return 0;
400 }
401 
402 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
403  mfxFrameAllocResponse *resp)
404 {
405  QSVFramesContext *ctx = pthis;
406  int ret;
407 
408  /* this should only be called from an encoder or decoder and
409  * only allocates video memory frames */
410  if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
411  MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
412  !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
413  return MFX_ERR_UNSUPPORTED;
414 
415  if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
416  /* external frames -- fill from the caller-supplied frames context */
418  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
419  mfxFrameInfo *i = &req->Info;
420  mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
421 
422  if (i->Width > i1->Width || i->Height > i1->Height ||
423  i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
424  av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
425  "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
426  i->Width, i->Height, i->FourCC, i->ChromaFormat,
427  i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
428  return MFX_ERR_UNSUPPORTED;
429  }
430 
431  ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
432  if (ret < 0) {
433  av_log(ctx->logctx, AV_LOG_ERROR,
434  "Error filling an external frame allocation request\n");
435  return MFX_ERR_MEMORY_ALLOC;
436  }
437  } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
438  /* internal frames -- allocate a new hw frames context */
439  AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
440  mfxFrameInfo *i = &req->Info;
441 
442  AVBufferRef *frames_ref, *mids_buf;
443  AVHWFramesContext *frames_ctx;
444  AVQSVFramesContext *frames_hwctx;
445 
446  frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
447  if (!frames_ref)
448  return MFX_ERR_MEMORY_ALLOC;
449 
450  frames_ctx = (AVHWFramesContext*)frames_ref->data;
451  frames_hwctx = frames_ctx->hwctx;
452 
453  frames_ctx->format = AV_PIX_FMT_QSV;
454  frames_ctx->sw_format = qsv_map_fourcc(i->FourCC);
455  frames_ctx->width = i->Width;
456  frames_ctx->height = i->Height;
457  frames_ctx->initial_pool_size = req->NumFrameSuggested;
458 
459  frames_hwctx->frame_type = req->Type;
460 
461  ret = av_hwframe_ctx_init(frames_ref);
462  if (ret < 0) {
463  av_log(ctx->logctx, AV_LOG_ERROR,
464  "Error initializing a frames context for an internal frame "
465  "allocation request\n");
466  av_buffer_unref(&frames_ref);
467  return MFX_ERR_MEMORY_ALLOC;
468  }
469 
470  mids_buf = qsv_create_mids(frames_ref);
471  if (!mids_buf) {
472  av_buffer_unref(&frames_ref);
473  return MFX_ERR_MEMORY_ALLOC;
474  }
475 
476  ret = qsv_setup_mids(resp, frames_ref, mids_buf);
477  av_buffer_unref(&mids_buf);
478  av_buffer_unref(&frames_ref);
479  if (ret < 0) {
480  av_log(ctx->logctx, AV_LOG_ERROR,
481  "Error filling an internal frame allocation request\n");
482  return MFX_ERR_MEMORY_ALLOC;
483  }
484  } else {
485  return MFX_ERR_UNSUPPORTED;
486  }
487 
488  return MFX_ERR_NONE;
489 }
490 
491 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
492 {
493  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
494  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
495  av_freep(&resp->mids);
496  return MFX_ERR_NONE;
497 }
498 
499 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
500 {
501  QSVMid *qsv_mid = mid;
502  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
503  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
504  int ret;
505 
506  if (qsv_mid->locked_frame)
507  return MFX_ERR_UNDEFINED_BEHAVIOR;
508 
509  /* Allocate a system memory frame that will hold the mapped data. */
510  qsv_mid->locked_frame = av_frame_alloc();
511  if (!qsv_mid->locked_frame)
512  return MFX_ERR_MEMORY_ALLOC;
513  qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
514 
515  /* wrap the provided handle in a hwaccel AVFrame */
516  qsv_mid->hw_frame = av_frame_alloc();
517  if (!qsv_mid->hw_frame)
518  goto fail;
519 
520  qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
521  qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
522 
523  // doesn't really matter what buffer is used here
524  qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
525  if (!qsv_mid->hw_frame->buf[0])
526  goto fail;
527 
528  qsv_mid->hw_frame->width = hw_frames_ctx->width;
529  qsv_mid->hw_frame->height = hw_frames_ctx->height;
530 
531  qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
532  if (!qsv_mid->hw_frame->hw_frames_ctx)
533  goto fail;
534 
535  qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
536  qsv_mid->surf.Data.MemId = qsv_mid->handle;
537 
538  /* map the data to the system memory */
539  ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
541  if (ret < 0)
542  goto fail;
543 
544  ptr->Pitch = qsv_mid->locked_frame->linesize[0];
545  ptr->Y = qsv_mid->locked_frame->data[0];
546  ptr->U = qsv_mid->locked_frame->data[1];
547  ptr->V = qsv_mid->locked_frame->data[1] + 1;
548 
549  return MFX_ERR_NONE;
550 fail:
551  av_frame_free(&qsv_mid->hw_frame);
552  av_frame_free(&qsv_mid->locked_frame);
553  return MFX_ERR_MEMORY_ALLOC;
554 }
555 
556 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
557 {
558  QSVMid *qsv_mid = mid;
559 
560  av_frame_free(&qsv_mid->locked_frame);
561  av_frame_free(&qsv_mid->hw_frame);
562 
563  return MFX_ERR_NONE;
564 }
565 
566 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
567 {
568  QSVMid *qsv_mid = (QSVMid*)mid;
569  *hdl = qsv_mid->handle;
570  return MFX_ERR_NONE;
571 }
572 
573 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
574  AVBufferRef *device_ref, const char *load_plugins)
575 {
576  static const mfxHandleType handle_types[] = {
577  MFX_HANDLE_VA_DISPLAY,
578  MFX_HANDLE_D3D9_DEVICE_MANAGER,
579  MFX_HANDLE_D3D11_DEVICE,
580  };
581  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
582  AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
583  mfxSession parent_session = device_hwctx->session;
584 
585  mfxSession session;
586  mfxVersion ver;
587  mfxIMPL impl;
588  mfxHDL handle = NULL;
589  mfxHandleType handle_type;
590  mfxStatus err;
591 
592  int i, ret;
593 
594  err = MFXQueryIMPL(parent_session, &impl);
595  if (err == MFX_ERR_NONE)
596  err = MFXQueryVersion(parent_session, &ver);
597  if (err != MFX_ERR_NONE)
598  return ff_qsv_print_error(avctx, err,
599  "Error querying the session attributes");
600 
601  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
602  err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
603  if (err == MFX_ERR_NONE) {
604  handle_type = handle_types[i];
605  break;
606  }
607  handle = NULL;
608  }
609  if (!handle) {
610  av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
611  "from the session\n");
612  }
613 
614  err = MFXInit(impl, &ver, &session);
615  if (err != MFX_ERR_NONE)
616  return ff_qsv_print_error(avctx, err,
617  "Error initializing a child MFX session");
618 
619  if (handle) {
620  err = MFXVideoCORE_SetHandle(session, handle_type, handle);
621  if (err != MFX_ERR_NONE)
622  return ff_qsv_print_error(avctx, err,
623  "Error setting a HW handle");
624  }
625 
626  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
627  err = MFXJoinSession(parent_session, session);
628  if (err != MFX_ERR_NONE)
629  return ff_qsv_print_error(avctx, err,
630  "Error joining session");
631  }
632 
633  ret = qsv_load_plugins(session, load_plugins, avctx);
634  if (ret < 0) {
635  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
636  return ret;
637  }
638 
639  *psession = session;
640  return 0;
641 }
642 
643 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
644  QSVFramesContext *qsv_frames_ctx,
645  const char *load_plugins, int opaque)
646 {
647  mfxFrameAllocator frame_allocator = {
648  .pthis = qsv_frames_ctx,
649  .Alloc = qsv_frame_alloc,
650  .Lock = qsv_frame_lock,
651  .Unlock = qsv_frame_unlock,
652  .GetHDL = qsv_frame_get_hdl,
653  .Free = qsv_frame_free,
654  };
655 
656  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
657  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
658 
659  mfxSession session;
660  mfxStatus err;
661 
662  int ret;
663 
664  ret = ff_qsv_init_session_device(avctx, &session,
665  frames_ctx->device_ref, load_plugins);
666  if (ret < 0)
667  return ret;
668 
669  if (!opaque) {
670  qsv_frames_ctx->logctx = avctx;
671 
672  /* allocate the memory ids for the external frames */
673  av_buffer_unref(&qsv_frames_ctx->mids_buf);
674  qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
675  if (!qsv_frames_ctx->mids_buf)
676  return AVERROR(ENOMEM);
677  qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
678  qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
679 
680  err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
681  if (err != MFX_ERR_NONE)
682  return ff_qsv_print_error(avctx, err,
683  "Error setting a frame allocator");
684  }
685 
686  *psession = session;
687  return 0;
688 }
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:330
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:402
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
static const mfxHandleType handle_types[]
Definition: qsvvpp.c:71
static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:556
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
mfxHandleType handle_type
Definition: hwcontext_qsv.c:85
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:228
int averr
Definition: qsv.c:88
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
The mapping must be direct.
Definition: hwcontext.h:519
static const struct @117 qsv_errors[]
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:141
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:556
UID uid
Definition: mxfenc.c:2165
#define AV_PIX_FMT_P010
Definition: pixfmt.h:426
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
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:77
static void mids_buf_free(void *opaque, uint8_t *data)
Definition: qsv.c:322
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:91
#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:126
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque)
Definition: qsv.c:643
#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:188
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:202
static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: qsv.c:491
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:89
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: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:199
#define fail()
Definition: checkasm.h:117
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:151
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
Definition: qsv.c:171
int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile)
Definition: qsv.c:70
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:31
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2859
const char * desc
Definition: qsv.c:89
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:566
AVFormatContext * ctx
Definition: movenc.c:48
enum AVCodecID codec_id
Definition: vaapi_decode.c:362
mfxFrameSurface1 surface
Definition: qsv_internal.h:56
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:1532
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
GLint GLenum type
Definition: opengl_enc.c:105
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:379
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
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:222
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:366
mfxU16 profile
Definition: qsvenc.c:44
static AVBufferRef * qsv_create_mids(AVBufferRef *hw_frames_ref)
Definition: qsv.c:329
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:87
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:499
static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:161
int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags)
Map a hardware frame.
Definition: hwcontext.c:740
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:279
#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:64
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:573
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191