FFmpeg  4.2.2
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 
70 
71 static const struct {
75 } qsv_profile_map[] = {
76 #define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, MFX_PROFILE_ ## v }
77  MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2_SIMPLE ),
78  MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2_MAIN ),
79  MAP(MPEG2VIDEO, MPEG2_HIGH, MPEG2_HIGH ),
80 
81  MAP(H264, H264_BASELINE, AVC_BASELINE ),
82  MAP(H264, H264_CONSTRAINED_BASELINE, AVC_BASELINE),
83 #if QSV_VERSION_ATLEAST(1, 3)
84  MAP(H264, H264_EXTENDED, AVC_EXTENDED ),
85 #endif
86  MAP(H264, H264_MAIN, AVC_MAIN ),
87  MAP(H264, H264_HIGH, AVC_HIGH ),
88  MAP(H264, H264_HIGH_422, AVC_HIGH_422 ),
89 
90 #if QSV_VERSION_ATLEAST(1, 8)
91  MAP(HEVC, HEVC_MAIN, HEVC_MAIN ),
92  MAP(HEVC, HEVC_MAIN_10, HEVC_MAIN10 ),
93  MAP(HEVC, HEVC_MAIN_STILL_PICTURE, HEVC_MAINSP ),
94 #endif
95 #if QSV_VERSION_ATLEAST(1, 16)
96  MAP(HEVC, HEVC_REXT, HEVC_REXT ),
97 #endif
98 
99  MAP(VC1, VC1_SIMPLE, VC1_SIMPLE ),
100  MAP(VC1, VC1_MAIN, VC1_MAIN ),
101  MAP(VC1, VC1_COMPLEX, VC1_ADVANCED ),
102  MAP(VC1, VC1_ADVANCED, VC1_ADVANCED ),
103 #undef MAP
104 };
105 
107 {
108  int i;
109  if (profile == FF_PROFILE_UNKNOWN)
110  return MFX_PROFILE_UNKNOWN;
111 
112  for (i = 0; i < FF_ARRAY_ELEMS(qsv_profile_map); i++) {
113  if (qsv_profile_map[i].codec_id != codec_id)
114  continue;
115  if (qsv_profile_map[i].codec_profile == profile)
116  return qsv_profile_map[i].mfx_profile;
117  }
118 
119  return MFX_PROFILE_UNKNOWN;
120 }
121 
123 {
124  if (level == FF_LEVEL_UNKNOWN)
125  return MFX_LEVEL_UNKNOWN;
126 
127  switch (codec_id) {
128  case AV_CODEC_ID_HEVC:
129  return level / 3;
130  default:
131  return level;
132  }
133 }
134 
135 static const struct {
136  mfxStatus mfxerr;
137  int averr;
138  const char *desc;
139 } qsv_errors[] = {
140  { MFX_ERR_NONE, 0, "success" },
141  { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
142  { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
143  { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
144  { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
145  { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
146  { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
147  { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
148  { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
149  { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
150  /* the following 3 errors should always be handled explicitly, so those "mappings"
151  * are for completeness only */
152  { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
153  { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
154  { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
155  { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
156  { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
157  { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
158  { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
159  { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
160  { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
161  { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
162  { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
163 
164  { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
165  { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
166  { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
167  { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
168  { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
169  { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
170  { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
171  { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
172  { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
173 };
174 
175 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
176 {
177  int i;
178  for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
179  if (qsv_errors[i].mfxerr == mfx_err) {
180  if (desc)
181  *desc = qsv_errors[i].desc;
182  return qsv_errors[i].averr;
183  }
184  }
185  if (desc)
186  *desc = "unknown error";
187  return AVERROR_UNKNOWN;
188 }
189 
190 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
191  const char *error_string)
192 {
193  const char *desc;
194  int ret;
195  ret = ff_qsv_map_error(err, &desc);
196  av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
197  return ret;
198 }
199 
200 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
201  const char *warning_string)
202 {
203  const char *desc;
204  int ret;
205  ret = ff_qsv_map_error(err, &desc);
206  av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
207  return ret;
208 }
209 
210 static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
211 {
212  switch (fourcc) {
213  case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
214  case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
215  case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
216  }
217  return AV_PIX_FMT_NONE;
218 }
219 
221 {
222  switch (format) {
223  case AV_PIX_FMT_YUV420P:
224  case AV_PIX_FMT_YUVJ420P:
225  case AV_PIX_FMT_NV12:
226  *fourcc = MFX_FOURCC_NV12;
227  return AV_PIX_FMT_NV12;
229  case AV_PIX_FMT_P010:
230  *fourcc = MFX_FOURCC_P010;
231  return AV_PIX_FMT_P010;
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 AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
249 {
250  enum AVPictureType type;
251  switch (mfx_pic_type & 0x7) {
252  case MFX_FRAMETYPE_I:
253  if (mfx_pic_type & MFX_FRAMETYPE_S)
254  type = AV_PICTURE_TYPE_SI;
255  else
256  type = AV_PICTURE_TYPE_I;
257  break;
258  case MFX_FRAMETYPE_B:
259  type = AV_PICTURE_TYPE_B;
260  break;
261  case MFX_FRAMETYPE_P:
262  if (mfx_pic_type & MFX_FRAMETYPE_S)
263  type = AV_PICTURE_TYPE_SP;
264  else
265  type = AV_PICTURE_TYPE_P;
266  break;
267  case MFX_FRAMETYPE_UNKNOWN:
268  type = AV_PICTURE_TYPE_NONE;
269  break;
270  default:
271  av_assert0(0);
272  }
273 
274  return type;
275 }
276 
277 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
278  void *logctx)
279 {
280  if (!load_plugins || !*load_plugins)
281  return 0;
282 
283  while (*load_plugins) {
284  mfxPluginUID uid;
285  mfxStatus ret;
286  int i, err = 0;
287 
288  char *plugin = av_get_token(&load_plugins, ":");
289  if (!plugin)
290  return AVERROR(ENOMEM);
291  if (strlen(plugin) != 2 * sizeof(uid.Data)) {
292  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
293  err = AVERROR(EINVAL);
294  goto load_plugin_fail;
295  }
296 
297  for (i = 0; i < sizeof(uid.Data); i++) {
298  err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
299  if (err != 1) {
300  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
301  err = AVERROR(EINVAL);
302  goto load_plugin_fail;
303  }
304 
305  }
306 
307  ret = MFXVideoUSER_Load(session, &uid, 1);
308  if (ret < 0) {
309  char errorbuf[128];
310  snprintf(errorbuf, sizeof(errorbuf),
311  "Could not load the requested plugin '%s'", plugin);
312  err = ff_qsv_print_error(logctx, ret, errorbuf);
313  goto load_plugin_fail;
314  }
315 
316  if (*load_plugins)
317  load_plugins++;
318 load_plugin_fail:
319  av_freep(&plugin);
320  if (err < 0)
321  return err;
322  }
323 
324  return 0;
325 
326 }
327 
328 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
329  const char *load_plugins)
330 {
331  mfxIMPL impl = MFX_IMPL_AUTO_ANY;
332  mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
333 
334  const char *desc;
335  int ret;
336 
337  ret = MFXInit(impl, &ver, session);
338  if (ret < 0)
339  return ff_qsv_print_error(avctx, ret,
340  "Error initializing an internal MFX session");
341 
342  ret = qsv_load_plugins(*session, load_plugins, avctx);
343  if (ret < 0) {
344  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
345  return ret;
346  }
347 
348  MFXQueryIMPL(*session, &impl);
349 
350  switch (MFX_IMPL_BASETYPE(impl)) {
351  case MFX_IMPL_SOFTWARE:
352  desc = "software";
353  break;
354  case MFX_IMPL_HARDWARE:
355  case MFX_IMPL_HARDWARE2:
356  case MFX_IMPL_HARDWARE3:
357  case MFX_IMPL_HARDWARE4:
358  desc = "hardware accelerated";
359  break;
360  default:
361  desc = "unknown";
362  }
363 
364  av_log(avctx, AV_LOG_VERBOSE,
365  "Initialized an internal MFX session using %s implementation\n",
366  desc);
367 
368  return 0;
369 }
370 
371 static void mids_buf_free(void *opaque, uint8_t *data)
372 {
373  AVBufferRef *hw_frames_ref = opaque;
374  av_buffer_unref(&hw_frames_ref);
375  av_freep(&data);
376 }
377 
378 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
379 {
380  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
381  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
382  int nb_surfaces = frames_hwctx->nb_surfaces;
383 
384  AVBufferRef *mids_buf, *hw_frames_ref1;
385  QSVMid *mids;
386  int i;
387 
388  hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
389  if (!hw_frames_ref1)
390  return NULL;
391 
392  mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
393  if (!mids) {
394  av_buffer_unref(&hw_frames_ref1);
395  return NULL;
396  }
397 
398  mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
399  mids_buf_free, hw_frames_ref1, 0);
400  if (!mids_buf) {
401  av_buffer_unref(&hw_frames_ref1);
402  av_freep(&mids);
403  return NULL;
404  }
405 
406  for (i = 0; i < nb_surfaces; i++) {
407  QSVMid *mid = &mids[i];
408  mid->handle = frames_hwctx->surfaces[i].Data.MemId;
409  mid->hw_frames_ref = hw_frames_ref1;
410  }
411 
412  return mids_buf;
413 }
414 
415 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
416  AVBufferRef *mids_buf)
417 {
418  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
419  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
420  QSVMid *mids = (QSVMid*)mids_buf->data;
421  int nb_surfaces = frames_hwctx->nb_surfaces;
422  int i;
423 
424  // the allocated size of the array is two larger than the number of
425  // surfaces, we store the references to the frames context and the
426  // QSVMid array there
427  resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
428  if (!resp->mids)
429  return AVERROR(ENOMEM);
430 
431  for (i = 0; i < nb_surfaces; i++)
432  resp->mids[i] = &mids[i];
433  resp->NumFrameActual = nb_surfaces;
434 
435  resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
436  if (!resp->mids[resp->NumFrameActual]) {
437  av_freep(&resp->mids);
438  return AVERROR(ENOMEM);
439  }
440 
441  resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
442  if (!resp->mids[resp->NumFrameActual + 1]) {
443  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
444  av_freep(&resp->mids);
445  return AVERROR(ENOMEM);
446  }
447 
448  return 0;
449 }
450 
451 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
452  mfxFrameAllocResponse *resp)
453 {
454  QSVFramesContext *ctx = pthis;
455  int ret;
456 
457  /* this should only be called from an encoder or decoder and
458  * only allocates video memory frames */
459  if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
460  MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
461  !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
462  return MFX_ERR_UNSUPPORTED;
463 
464  if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
465  /* external frames -- fill from the caller-supplied frames context */
467  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
468  mfxFrameInfo *i = &req->Info;
469  mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
470 
471  if (i->Width > i1->Width || i->Height > i1->Height ||
472  i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
473  av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
474  "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
475  i->Width, i->Height, i->FourCC, i->ChromaFormat,
476  i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
477  return MFX_ERR_UNSUPPORTED;
478  }
479 
480  ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
481  if (ret < 0) {
482  av_log(ctx->logctx, AV_LOG_ERROR,
483  "Error filling an external frame allocation request\n");
484  return MFX_ERR_MEMORY_ALLOC;
485  }
486  } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
487  /* internal frames -- allocate a new hw frames context */
488  AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
489  mfxFrameInfo *i = &req->Info;
490 
491  AVBufferRef *frames_ref, *mids_buf;
492  AVHWFramesContext *frames_ctx;
493  AVQSVFramesContext *frames_hwctx;
494 
495  frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
496  if (!frames_ref)
497  return MFX_ERR_MEMORY_ALLOC;
498 
499  frames_ctx = (AVHWFramesContext*)frames_ref->data;
500  frames_hwctx = frames_ctx->hwctx;
501 
502  frames_ctx->format = AV_PIX_FMT_QSV;
503  frames_ctx->sw_format = qsv_map_fourcc(i->FourCC);
504  frames_ctx->width = i->Width;
505  frames_ctx->height = i->Height;
506  frames_ctx->initial_pool_size = req->NumFrameSuggested;
507 
508  frames_hwctx->frame_type = req->Type;
509 
510  ret = av_hwframe_ctx_init(frames_ref);
511  if (ret < 0) {
512  av_log(ctx->logctx, AV_LOG_ERROR,
513  "Error initializing a frames context for an internal frame "
514  "allocation request\n");
515  av_buffer_unref(&frames_ref);
516  return MFX_ERR_MEMORY_ALLOC;
517  }
518 
519  mids_buf = qsv_create_mids(frames_ref);
520  if (!mids_buf) {
521  av_buffer_unref(&frames_ref);
522  return MFX_ERR_MEMORY_ALLOC;
523  }
524 
525  ret = qsv_setup_mids(resp, frames_ref, mids_buf);
526  av_buffer_unref(&mids_buf);
527  av_buffer_unref(&frames_ref);
528  if (ret < 0) {
529  av_log(ctx->logctx, AV_LOG_ERROR,
530  "Error filling an internal frame allocation request\n");
531  return MFX_ERR_MEMORY_ALLOC;
532  }
533  } else {
534  return MFX_ERR_UNSUPPORTED;
535  }
536 
537  return MFX_ERR_NONE;
538 }
539 
540 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
541 {
542  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
543  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
544  av_freep(&resp->mids);
545  return MFX_ERR_NONE;
546 }
547 
548 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
549 {
550  QSVMid *qsv_mid = mid;
551  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
552  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
553  int ret;
554 
555  if (qsv_mid->locked_frame)
556  return MFX_ERR_UNDEFINED_BEHAVIOR;
557 
558  /* Allocate a system memory frame that will hold the mapped data. */
559  qsv_mid->locked_frame = av_frame_alloc();
560  if (!qsv_mid->locked_frame)
561  return MFX_ERR_MEMORY_ALLOC;
562  qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
563 
564  /* wrap the provided handle in a hwaccel AVFrame */
565  qsv_mid->hw_frame = av_frame_alloc();
566  if (!qsv_mid->hw_frame)
567  goto fail;
568 
569  qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
570  qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
571 
572  // doesn't really matter what buffer is used here
573  qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
574  if (!qsv_mid->hw_frame->buf[0])
575  goto fail;
576 
577  qsv_mid->hw_frame->width = hw_frames_ctx->width;
578  qsv_mid->hw_frame->height = hw_frames_ctx->height;
579 
580  qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
581  if (!qsv_mid->hw_frame->hw_frames_ctx)
582  goto fail;
583 
584  qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
585  qsv_mid->surf.Data.MemId = qsv_mid->handle;
586 
587  /* map the data to the system memory */
588  ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
590  if (ret < 0)
591  goto fail;
592 
593  ptr->Pitch = qsv_mid->locked_frame->linesize[0];
594  ptr->Y = qsv_mid->locked_frame->data[0];
595  ptr->U = qsv_mid->locked_frame->data[1];
596  ptr->V = qsv_mid->locked_frame->data[1] + 1;
597 
598  return MFX_ERR_NONE;
599 fail:
600  av_frame_free(&qsv_mid->hw_frame);
601  av_frame_free(&qsv_mid->locked_frame);
602  return MFX_ERR_MEMORY_ALLOC;
603 }
604 
605 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
606 {
607  QSVMid *qsv_mid = mid;
608 
609  av_frame_free(&qsv_mid->locked_frame);
610  av_frame_free(&qsv_mid->hw_frame);
611 
612  return MFX_ERR_NONE;
613 }
614 
615 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
616 {
617  QSVMid *qsv_mid = (QSVMid*)mid;
618  *hdl = qsv_mid->handle;
619  return MFX_ERR_NONE;
620 }
621 
622 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
623  AVBufferRef *device_ref, const char *load_plugins)
624 {
625  static const mfxHandleType handle_types[] = {
626  MFX_HANDLE_VA_DISPLAY,
627  MFX_HANDLE_D3D9_DEVICE_MANAGER,
628  MFX_HANDLE_D3D11_DEVICE,
629  };
630  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
631  AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
632  mfxSession parent_session = device_hwctx->session;
633 
634  mfxSession session;
635  mfxVersion ver;
636  mfxIMPL impl;
637  mfxHDL handle = NULL;
638  mfxHandleType handle_type;
639  mfxStatus err;
640 
641  int i, ret;
642 
643  err = MFXQueryIMPL(parent_session, &impl);
644  if (err == MFX_ERR_NONE)
645  err = MFXQueryVersion(parent_session, &ver);
646  if (err != MFX_ERR_NONE)
647  return ff_qsv_print_error(avctx, err,
648  "Error querying the session attributes");
649 
650  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
651  err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
652  if (err == MFX_ERR_NONE) {
653  handle_type = handle_types[i];
654  break;
655  }
656  handle = NULL;
657  }
658  if (!handle) {
659  av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
660  "from the session\n");
661  }
662 
663  err = MFXInit(impl, &ver, &session);
664  if (err != MFX_ERR_NONE)
665  return ff_qsv_print_error(avctx, err,
666  "Error initializing a child MFX session");
667 
668  if (handle) {
669  err = MFXVideoCORE_SetHandle(session, handle_type, handle);
670  if (err != MFX_ERR_NONE)
671  return ff_qsv_print_error(avctx, err,
672  "Error setting a HW handle");
673  }
674 
675  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
676  err = MFXJoinSession(parent_session, session);
677  if (err != MFX_ERR_NONE)
678  return ff_qsv_print_error(avctx, err,
679  "Error joining session");
680  }
681 
682  ret = qsv_load_plugins(session, load_plugins, avctx);
683  if (ret < 0) {
684  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
685  return ret;
686  }
687 
688  *psession = session;
689  return 0;
690 }
691 
692 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
693  QSVFramesContext *qsv_frames_ctx,
694  const char *load_plugins, int opaque)
695 {
696  mfxFrameAllocator frame_allocator = {
697  .pthis = qsv_frames_ctx,
698  .Alloc = qsv_frame_alloc,
699  .Lock = qsv_frame_lock,
700  .Unlock = qsv_frame_unlock,
701  .GetHDL = qsv_frame_get_hdl,
702  .Free = qsv_frame_free,
703  };
704 
705  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
706  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
707 
708  mfxSession session;
709  mfxStatus err;
710 
711  int ret;
712 
713  ret = ff_qsv_init_session_device(avctx, &session,
714  frames_ctx->device_ref, load_plugins);
715  if (ret < 0)
716  return ret;
717 
718  if (!opaque) {
719  qsv_frames_ctx->logctx = avctx;
720 
721  /* allocate the memory ids for the external frames */
722  av_buffer_unref(&qsv_frames_ctx->mids_buf);
723  qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
724  if (!qsv_frames_ctx->mids_buf)
725  return AVERROR(ENOMEM);
726  qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
727  qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
728 
729  err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
730  if (err != MFX_ERR_NONE)
731  return ff_qsv_print_error(avctx, err,
732  "Error setting a frame allocator");
733  }
734 
735  *psession = session;
736  return 0;
737 }
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:338
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:451
static const mfxHandleType handle_types[]
Definition: qsvvpp.c:71
static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:605
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:486
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
uint32_t fourcc
Definition: vaapi_decode.c:238
enum AVCodecID codec_id
Definition: qsv.c:72
static int qsv_load_plugins(mfxSession session, const char *load_plugins, void *logctx)
Definition: qsv.c:277
int ff_qsv_level_to_mfx(enum AVCodecID codec_id, int level)
Definition: qsv.c:122
int averr
Definition: qsv.c:137
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:190
The mapping must be direct.
Definition: hwcontext.h:519
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:634
UID uid
Definition: mxfenc.c:2214
#define FF_LEVEL_UNKNOWN
Definition: avcodec.h:3019
#define AV_PIX_FMT_P010
Definition: pixfmt.h:436
static const struct @132 qsv_errors[]
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
#define MAP(c, p, v)
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:371
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: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:175
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque)
Definition: qsv.c:692
#define av_log(a,...)
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
int width
Definition: frame.h:353
#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:202
static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: qsv.c:540
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:248
#define fail()
Definition: checkasm.h:120
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:200
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
Definition: qsv.c:220
int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile)
Definition: qsv.c:106
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:2899
const char * desc
Definition: qsv.c:138
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:615
AVFormatContext * ctx
Definition: movenc.c:48
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:368
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:326
main external API structure.
Definition: avcodec.h:1565
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:387
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: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:415
mfxU16 profile
Definition: qsvenc.c:44
static AVBufferRef * qsv_create_mids(AVBufferRef *hw_frames_ref)
Definition: qsv.c:378
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
uint8_t level
Definition: svq3.c:207
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:140
mfxStatus mfxerr
Definition: qsv.c:136
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
static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:548
static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:210
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:328
#define QSV_VERSION_MAJOR
Definition: qsv_internal.h:30
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
static const struct @131 qsv_profile_map[]
int height
Definition: frame.h:353
int codec_profile
Definition: qsv.c:73
#define av_freep(p)
An API-specific header for AV_HWDEVICE_TYPE_QSV.
int mfx_profile
Definition: qsv.c:74
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:622
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:191