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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 {
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  default:
219  av_assert0(0);
220  }
221 
222  return type;
223 }
224 
225 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
226  void *logctx)
227 {
228  if (!load_plugins || !*load_plugins)
229  return 0;
230 
231  while (*load_plugins) {
232  mfxPluginUID uid;
233  mfxStatus ret;
234  int i, err = 0;
235 
236  char *plugin = av_get_token(&load_plugins, ":");
237  if (!plugin)
238  return AVERROR(ENOMEM);
239  if (strlen(plugin) != 2 * sizeof(uid.Data)) {
240  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
241  err = AVERROR(EINVAL);
242  goto load_plugin_fail;
243  }
244 
245  for (i = 0; i < sizeof(uid.Data); i++) {
246  err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
247  if (err != 1) {
248  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
249  err = AVERROR(EINVAL);
250  goto load_plugin_fail;
251  }
252 
253  }
254 
255  ret = MFXVideoUSER_Load(session, &uid, 1);
256  if (ret < 0) {
257  char errorbuf[128];
258  snprintf(errorbuf, sizeof(errorbuf),
259  "Could not load the requested plugin '%s'", plugin);
260  err = ff_qsv_print_error(logctx, ret, errorbuf);
261  goto load_plugin_fail;
262  }
263 
264  if (*load_plugins)
265  load_plugins++;
266 load_plugin_fail:
267  av_freep(&plugin);
268  if (err < 0)
269  return err;
270  }
271 
272  return 0;
273 
274 }
275 
276 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
277  const char *load_plugins)
278 {
279  mfxIMPL impl = MFX_IMPL_AUTO_ANY;
280  mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
281 
282  const char *desc;
283  int ret;
284 
285  ret = MFXInit(impl, &ver, session);
286  if (ret < 0)
287  return ff_qsv_print_error(avctx, ret,
288  "Error initializing an internal MFX session");
289 
290  ret = qsv_load_plugins(*session, load_plugins, avctx);
291  if (ret < 0) {
292  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
293  return ret;
294  }
295 
296  MFXQueryIMPL(*session, &impl);
297 
298  switch (MFX_IMPL_BASETYPE(impl)) {
299  case MFX_IMPL_SOFTWARE:
300  desc = "software";
301  break;
302  case MFX_IMPL_HARDWARE:
303  case MFX_IMPL_HARDWARE2:
304  case MFX_IMPL_HARDWARE3:
305  case MFX_IMPL_HARDWARE4:
306  desc = "hardware accelerated";
307  break;
308  default:
309  desc = "unknown";
310  }
311 
312  av_log(avctx, AV_LOG_VERBOSE,
313  "Initialized an internal MFX session using %s implementation\n",
314  desc);
315 
316  return 0;
317 }
318 
319 static void mids_buf_free(void *opaque, uint8_t *data)
320 {
321  AVBufferRef *hw_frames_ref = opaque;
322  av_buffer_unref(&hw_frames_ref);
323  av_freep(&data);
324 }
325 
326 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
327 {
328  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
329  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
330  int nb_surfaces = frames_hwctx->nb_surfaces;
331 
332  AVBufferRef *mids_buf, *hw_frames_ref1;
333  QSVMid *mids;
334  int i;
335 
336  hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
337  if (!hw_frames_ref1)
338  return NULL;
339 
340  mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
341  if (!mids) {
342  av_buffer_unref(&hw_frames_ref1);
343  return NULL;
344  }
345 
346  mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
347  mids_buf_free, hw_frames_ref1, 0);
348  if (!mids_buf) {
349  av_buffer_unref(&hw_frames_ref1);
350  av_freep(&mids);
351  return NULL;
352  }
353 
354  for (i = 0; i < nb_surfaces; i++) {
355  QSVMid *mid = &mids[i];
356  mid->handle = frames_hwctx->surfaces[i].Data.MemId;
357  mid->hw_frames_ref = hw_frames_ref1;
358  }
359 
360  return mids_buf;
361 }
362 
363 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
364  AVBufferRef *mids_buf)
365 {
366  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
367  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
368  QSVMid *mids = (QSVMid*)mids_buf->data;
369  int nb_surfaces = frames_hwctx->nb_surfaces;
370  int i;
371 
372  // the allocated size of the array is two larger than the number of
373  // surfaces, we store the references to the frames context and the
374  // QSVMid array there
375  resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
376  if (!resp->mids)
377  return AVERROR(ENOMEM);
378 
379  for (i = 0; i < nb_surfaces; i++)
380  resp->mids[i] = &mids[i];
381  resp->NumFrameActual = nb_surfaces;
382 
383  resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
384  if (!resp->mids[resp->NumFrameActual]) {
385  av_freep(&resp->mids);
386  return AVERROR(ENOMEM);
387  }
388 
389  resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
390  if (!resp->mids[resp->NumFrameActual + 1]) {
391  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
392  av_freep(&resp->mids);
393  return AVERROR(ENOMEM);
394  }
395 
396  return 0;
397 }
398 
399 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
400  mfxFrameAllocResponse *resp)
401 {
402  QSVFramesContext *ctx = pthis;
403  int ret;
404 
405  /* this should only be called from an encoder or decoder and
406  * only allocates video memory frames */
407  if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
408  MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
409  !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
410  return MFX_ERR_UNSUPPORTED;
411 
412  if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
413  /* external frames -- fill from the caller-supplied frames context */
415  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
416  mfxFrameInfo *i = &req->Info;
417  mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
418 
419  if (i->Width > i1->Width || i->Height > i1->Height ||
420  i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
421  av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
422  "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
423  i->Width, i->Height, i->FourCC, i->ChromaFormat,
424  i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
425  return MFX_ERR_UNSUPPORTED;
426  }
427 
428  ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
429  if (ret < 0) {
430  av_log(ctx->logctx, AV_LOG_ERROR,
431  "Error filling an external frame allocation request\n");
432  return MFX_ERR_MEMORY_ALLOC;
433  }
434  } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
435  /* internal frames -- allocate a new hw frames context */
436  AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
437  mfxFrameInfo *i = &req->Info;
438 
439  AVBufferRef *frames_ref, *mids_buf;
440  AVHWFramesContext *frames_ctx;
441  AVQSVFramesContext *frames_hwctx;
442 
443  frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
444  if (!frames_ref)
445  return MFX_ERR_MEMORY_ALLOC;
446 
447  frames_ctx = (AVHWFramesContext*)frames_ref->data;
448  frames_hwctx = frames_ctx->hwctx;
449 
450  frames_ctx->format = AV_PIX_FMT_QSV;
451  frames_ctx->sw_format = qsv_map_fourcc(i->FourCC);
452  frames_ctx->width = i->Width;
453  frames_ctx->height = i->Height;
454  frames_ctx->initial_pool_size = req->NumFrameSuggested;
455 
456  frames_hwctx->frame_type = req->Type;
457 
458  ret = av_hwframe_ctx_init(frames_ref);
459  if (ret < 0) {
460  av_log(ctx->logctx, AV_LOG_ERROR,
461  "Error initializing a frames context for an internal frame "
462  "allocation request\n");
463  av_buffer_unref(&frames_ref);
464  return MFX_ERR_MEMORY_ALLOC;
465  }
466 
467  mids_buf = qsv_create_mids(frames_ref);
468  if (!mids_buf) {
469  av_buffer_unref(&frames_ref);
470  return MFX_ERR_MEMORY_ALLOC;
471  }
472 
473  ret = qsv_setup_mids(resp, frames_ref, mids_buf);
474  av_buffer_unref(&mids_buf);
475  av_buffer_unref(&frames_ref);
476  if (ret < 0) {
477  av_log(ctx->logctx, AV_LOG_ERROR,
478  "Error filling an internal frame allocation request\n");
479  return MFX_ERR_MEMORY_ALLOC;
480  }
481  } else {
482  return MFX_ERR_UNSUPPORTED;
483  }
484 
485  return MFX_ERR_NONE;
486 }
487 
488 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
489 {
490  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
491  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
492  av_freep(&resp->mids);
493  return MFX_ERR_NONE;
494 }
495 
496 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
497 {
498  QSVMid *qsv_mid = mid;
499  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
500  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
501  int ret;
502 
503  if (qsv_mid->locked_frame)
504  return MFX_ERR_UNDEFINED_BEHAVIOR;
505 
506  /* Allocate a system memory frame that will hold the mapped data. */
507  qsv_mid->locked_frame = av_frame_alloc();
508  if (!qsv_mid->locked_frame)
509  return MFX_ERR_MEMORY_ALLOC;
510  qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
511 
512  /* wrap the provided handle in a hwaccel AVFrame */
513  qsv_mid->hw_frame = av_frame_alloc();
514  if (!qsv_mid->hw_frame)
515  goto fail;
516 
517  qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
518  qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
519 
520  // doesn't really matter what buffer is used here
521  qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
522  if (!qsv_mid->hw_frame->buf[0])
523  goto fail;
524 
525  qsv_mid->hw_frame->width = hw_frames_ctx->width;
526  qsv_mid->hw_frame->height = hw_frames_ctx->height;
527 
528  qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
529  if (!qsv_mid->hw_frame->hw_frames_ctx)
530  goto fail;
531 
532  qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
533  qsv_mid->surf.Data.MemId = qsv_mid->handle;
534 
535  /* map the data to the system memory */
536  ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
538  if (ret < 0)
539  goto fail;
540 
541  ptr->Pitch = qsv_mid->locked_frame->linesize[0];
542  ptr->Y = qsv_mid->locked_frame->data[0];
543  ptr->U = qsv_mid->locked_frame->data[1];
544  ptr->V = qsv_mid->locked_frame->data[1] + 1;
545 
546  return MFX_ERR_NONE;
547 fail:
548  av_frame_free(&qsv_mid->hw_frame);
549  av_frame_free(&qsv_mid->locked_frame);
550  return MFX_ERR_MEMORY_ALLOC;
551 }
552 
553 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
554 {
555  QSVMid *qsv_mid = mid;
556 
557  av_frame_free(&qsv_mid->locked_frame);
558  av_frame_free(&qsv_mid->hw_frame);
559 
560  return MFX_ERR_NONE;
561 }
562 
563 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
564 {
565  QSVMid *qsv_mid = (QSVMid*)mid;
566  *hdl = qsv_mid->handle;
567  return MFX_ERR_NONE;
568 }
569 
570 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
571  AVBufferRef *device_ref, const char *load_plugins)
572 {
573  static const mfxHandleType handle_types[] = {
574  MFX_HANDLE_VA_DISPLAY,
575  MFX_HANDLE_D3D9_DEVICE_MANAGER,
576  MFX_HANDLE_D3D11_DEVICE,
577  };
578  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
579  AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
580  mfxSession parent_session = device_hwctx->session;
581 
582  mfxSession session;
583  mfxVersion ver;
584  mfxIMPL impl;
585  mfxHDL handle = NULL;
586  mfxHandleType handle_type;
587  mfxStatus err;
588 
589  int i, ret;
590 
591  err = MFXQueryIMPL(parent_session, &impl);
592  if (err == MFX_ERR_NONE)
593  err = MFXQueryVersion(parent_session, &ver);
594  if (err != MFX_ERR_NONE)
595  return ff_qsv_print_error(avctx, err,
596  "Error querying the session attributes");
597 
598  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
599  err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
600  if (err == MFX_ERR_NONE) {
601  handle_type = handle_types[i];
602  break;
603  }
604  handle = NULL;
605  }
606  if (!handle) {
607  av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
608  "from the session\n");
609  }
610 
611  err = MFXInit(impl, &ver, &session);
612  if (err != MFX_ERR_NONE)
613  return ff_qsv_print_error(avctx, err,
614  "Error initializing a child MFX session");
615 
616  if (handle) {
617  err = MFXVideoCORE_SetHandle(session, handle_type, handle);
618  if (err != MFX_ERR_NONE)
619  return ff_qsv_print_error(avctx, err,
620  "Error setting a HW handle");
621  }
622 
623  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
624  err = MFXJoinSession(parent_session, session);
625  if (err != MFX_ERR_NONE)
626  return ff_qsv_print_error(avctx, err,
627  "Error joining session");
628  }
629 
630  ret = qsv_load_plugins(session, load_plugins, avctx);
631  if (ret < 0) {
632  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
633  return ret;
634  }
635 
636  *psession = session;
637  return 0;
638 }
639 
640 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
641  QSVFramesContext *qsv_frames_ctx,
642  const char *load_plugins, int opaque)
643 {
644  mfxFrameAllocator frame_allocator = {
645  .pthis = qsv_frames_ctx,
646  .Alloc = qsv_frame_alloc,
647  .Lock = qsv_frame_lock,
648  .Unlock = qsv_frame_unlock,
649  .GetHDL = qsv_frame_get_hdl,
650  .Free = qsv_frame_free,
651  };
652 
653  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
654  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
655 
656  mfxSession session;
657  mfxStatus err;
658 
659  int ret;
660 
661  ret = ff_qsv_init_session_device(avctx, &session,
662  frames_ctx->device_ref, load_plugins);
663  if (ret < 0)
664  return ret;
665 
666  if (!opaque) {
667  qsv_frames_ctx->logctx = avctx;
668 
669  /* allocate the memory ids for the external frames */
670  av_buffer_unref(&qsv_frames_ctx->mids_buf);
671  qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
672  if (!qsv_frames_ctx->mids_buf)
673  return AVERROR(ENOMEM);
674  qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
675  qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
676 
677  err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
678  if (err != MFX_ERR_NONE)
679  return ff_qsv_print_error(avctx, err,
680  "Error setting a frame allocator");
681  }
682 
683  *psession = session;
684  return 0;
685 }
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:399
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:553
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:225
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
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:2116
#define AV_PIX_FMT_P010
Definition: pixfmt.h:417
#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:73
static void mids_buf_free(void *opaque, uint8_t *data)
Definition: qsv.c:319
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:640
#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:488
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
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:74
#define QSV_VERSION_MINOR
Definition: qsv_internal.h:31
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2845
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:563
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
The mapping must be direct.
Definition: hwcontext.h:519
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:1519
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:372
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: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:363
mfxU16 profile
Definition: qsvenc.c:44
static AVBufferRef * qsv_create_mids(AVBufferRef *hw_frames_ref)
Definition: qsv.c:326
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:62
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:496
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:276
#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:570
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191