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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 
35 #include "avcodec.h"
36 #include "qsv_internal.h"
37 
38 #if QSV_VERSION_ATLEAST(1, 12)
39 #include "mfx/mfxvp8.h"
40 #endif
41 
43 {
44  switch (codec_id) {
45  case AV_CODEC_ID_H264:
46  return MFX_CODEC_AVC;
47 #if QSV_VERSION_ATLEAST(1, 8)
48  case AV_CODEC_ID_HEVC:
49  return MFX_CODEC_HEVC;
50 #endif
53  return MFX_CODEC_MPEG2;
54  case AV_CODEC_ID_VC1:
55  return MFX_CODEC_VC1;
56 #if QSV_VERSION_ATLEAST(1, 12)
57  case AV_CODEC_ID_VP8:
58  return MFX_CODEC_VP8;
59 #endif
60  case AV_CODEC_ID_MJPEG:
61  return MFX_CODEC_JPEG;
62  default:
63  break;
64  }
65 
66  return AVERROR(ENOSYS);
67 }
68 
70 {
71  if (profile == FF_PROFILE_UNKNOWN)
72  return MFX_PROFILE_UNKNOWN;
73  switch (codec_id) {
74  case AV_CODEC_ID_H264:
75  case AV_CODEC_ID_HEVC:
76  return profile;
77  case AV_CODEC_ID_VC1:
78  return 4 * profile + 1;
80  return 0x10 * profile;
81  }
82  return MFX_PROFILE_UNKNOWN;
83 }
84 
85 static const struct {
86  mfxStatus mfxerr;
87  int averr;
88  const char *desc;
89 } qsv_errors[] = {
90  { MFX_ERR_NONE, 0, "success" },
91  { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
92  { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
93  { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
94  { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
95  { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
96  { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
97  { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
98  { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
99  { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
100  /* the following 3 errors should always be handled explicitly, so those "mappings"
101  * are for completeness only */
102  { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
103  { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
104  { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
105  { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
106  { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
107  { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
108  { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
109  { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
110  { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
111  { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
112  { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
113 
114  { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
115  { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
116  { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
117  { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
118  { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
119  { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
120  { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
121  { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
122  { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
123 };
124 
125 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
126 {
127  int i;
128  for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
129  if (qsv_errors[i].mfxerr == mfx_err) {
130  if (desc)
131  *desc = qsv_errors[i].desc;
132  return qsv_errors[i].averr;
133  }
134  }
135  if (desc)
136  *desc = "unknown error";
137  return AVERROR_UNKNOWN;
138 }
139 
140 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
141  const char *error_string)
142 {
143  const char *desc;
144  int ret;
145  ret = ff_qsv_map_error(err, &desc);
146  av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
147  return ret;
148 }
149 
150 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
151  const char *warning_string)
152 {
153  const char *desc;
154  int ret;
155  ret = ff_qsv_map_error(err, &desc);
156  av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
157  return ret;
158 }
159 
160 static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
161 {
162  switch (fourcc) {
163  case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
164  case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
165  case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
166  }
167  return AV_PIX_FMT_NONE;
168 }
169 
171 {
172  switch (format) {
173  case AV_PIX_FMT_YUV420P:
174  case AV_PIX_FMT_YUVJ420P:
175  case AV_PIX_FMT_NV12:
176  *fourcc = MFX_FOURCC_NV12;
177  return AV_PIX_FMT_NV12;
179  case AV_PIX_FMT_P010:
180  *fourcc = MFX_FOURCC_P010;
181  return AV_PIX_FMT_P010;
182  default:
183  return AVERROR(ENOSYS);
184  }
185 }
186 
188 {
189  int i;
190  for (i = 0; i < ctx->nb_mids; i++) {
191  QSVMid *mid = &ctx->mids[i];
192  if (mid->handle == frame->surface.Data.MemId)
193  return i;
194  }
195  return AVERROR_BUG;
196 }
197 
198 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
199  void *logctx)
200 {
201  if (!load_plugins || !*load_plugins)
202  return 0;
203 
204  while (*load_plugins) {
205  mfxPluginUID uid;
206  mfxStatus ret;
207  int i, err = 0;
208 
209  char *plugin = av_get_token(&load_plugins, ":");
210  if (!plugin)
211  return AVERROR(ENOMEM);
212  if (strlen(plugin) != 2 * sizeof(uid.Data)) {
213  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
214  err = AVERROR(EINVAL);
215  goto load_plugin_fail;
216  }
217 
218  for (i = 0; i < sizeof(uid.Data); i++) {
219  err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
220  if (err != 1) {
221  av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
222  err = AVERROR(EINVAL);
223  goto load_plugin_fail;
224  }
225 
226  }
227 
228  ret = MFXVideoUSER_Load(session, &uid, 1);
229  if (ret < 0) {
230  char errorbuf[128];
231  snprintf(errorbuf, sizeof(errorbuf),
232  "Could not load the requested plugin '%s'", plugin);
233  err = ff_qsv_print_error(logctx, ret, errorbuf);
234  goto load_plugin_fail;
235  }
236 
237  if (*load_plugins)
238  load_plugins++;
239 load_plugin_fail:
240  av_freep(&plugin);
241  if (err < 0)
242  return err;
243  }
244 
245  return 0;
246 
247 }
248 
249 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
250  const char *load_plugins)
251 {
252  mfxIMPL impl = MFX_IMPL_AUTO_ANY;
253  mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
254 
255  const char *desc;
256  int ret;
257 
258  ret = MFXInit(impl, &ver, session);
259  if (ret < 0)
260  return ff_qsv_print_error(avctx, ret,
261  "Error initializing an internal MFX session");
262 
263  ret = qsv_load_plugins(*session, load_plugins, avctx);
264  if (ret < 0) {
265  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
266  return ret;
267  }
268 
269  MFXQueryIMPL(*session, &impl);
270 
271  switch (MFX_IMPL_BASETYPE(impl)) {
272  case MFX_IMPL_SOFTWARE:
273  desc = "software";
274  break;
275  case MFX_IMPL_HARDWARE:
276  case MFX_IMPL_HARDWARE2:
277  case MFX_IMPL_HARDWARE3:
278  case MFX_IMPL_HARDWARE4:
279  desc = "hardware accelerated";
280  break;
281  default:
282  desc = "unknown";
283  }
284 
285  av_log(avctx, AV_LOG_VERBOSE,
286  "Initialized an internal MFX session using %s implementation\n",
287  desc);
288 
289  return 0;
290 }
291 
292 static void mids_buf_free(void *opaque, uint8_t *data)
293 {
294  AVBufferRef *hw_frames_ref = opaque;
295  av_buffer_unref(&hw_frames_ref);
296  av_freep(&data);
297 }
298 
299 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
300 {
301  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
302  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
303  int nb_surfaces = frames_hwctx->nb_surfaces;
304 
305  AVBufferRef *mids_buf, *hw_frames_ref1;
306  QSVMid *mids;
307  int i;
308 
309  hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
310  if (!hw_frames_ref1)
311  return NULL;
312 
313  mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
314  if (!mids) {
315  av_buffer_unref(&hw_frames_ref1);
316  return NULL;
317  }
318 
319  mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
320  mids_buf_free, hw_frames_ref1, 0);
321  if (!mids_buf) {
322  av_buffer_unref(&hw_frames_ref1);
323  av_freep(&mids);
324  return NULL;
325  }
326 
327  for (i = 0; i < nb_surfaces; i++) {
328  QSVMid *mid = &mids[i];
329  mid->handle = frames_hwctx->surfaces[i].Data.MemId;
330  mid->hw_frames_ref = hw_frames_ref1;
331  }
332 
333  return mids_buf;
334 }
335 
336 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
337  AVBufferRef *mids_buf)
338 {
339  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
340  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
341  QSVMid *mids = (QSVMid*)mids_buf->data;
342  int nb_surfaces = frames_hwctx->nb_surfaces;
343  int i;
344 
345  // the allocated size of the array is two larger than the number of
346  // surfaces, we store the references to the frames context and the
347  // QSVMid array there
348  resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
349  if (!resp->mids)
350  return AVERROR(ENOMEM);
351 
352  for (i = 0; i < nb_surfaces; i++)
353  resp->mids[i] = &mids[i];
354  resp->NumFrameActual = nb_surfaces;
355 
356  resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
357  if (!resp->mids[resp->NumFrameActual]) {
358  av_freep(&resp->mids);
359  return AVERROR(ENOMEM);
360  }
361 
362  resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
363  if (!resp->mids[resp->NumFrameActual + 1]) {
364  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
365  av_freep(&resp->mids);
366  return AVERROR(ENOMEM);
367  }
368 
369  return 0;
370 }
371 
372 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
373  mfxFrameAllocResponse *resp)
374 {
375  QSVFramesContext *ctx = pthis;
376  int ret;
377 
378  /* this should only be called from an encoder or decoder and
379  * only allocates video memory frames */
380  if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
381  MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
382  !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
383  return MFX_ERR_UNSUPPORTED;
384 
385  if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
386  /* external frames -- fill from the caller-supplied frames context */
388  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
389  mfxFrameInfo *i = &req->Info;
390  mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
391 
392  if (i->Width != i1->Width || i->Height != i1->Height ||
393  i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
394  av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
395  "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
396  i->Width, i->Height, i->FourCC, i->ChromaFormat,
397  i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
398  return MFX_ERR_UNSUPPORTED;
399  }
400 
401  ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
402  if (ret < 0) {
403  av_log(ctx->logctx, AV_LOG_ERROR,
404  "Error filling an external frame allocation request\n");
405  return MFX_ERR_MEMORY_ALLOC;
406  }
407  } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
408  /* internal frames -- allocate a new hw frames context */
409  AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
410  mfxFrameInfo *i = &req->Info;
411 
412  AVBufferRef *frames_ref, *mids_buf;
413  AVHWFramesContext *frames_ctx;
414  AVQSVFramesContext *frames_hwctx;
415 
416  frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
417  if (!frames_ref)
418  return MFX_ERR_MEMORY_ALLOC;
419 
420  frames_ctx = (AVHWFramesContext*)frames_ref->data;
421  frames_hwctx = frames_ctx->hwctx;
422 
423  frames_ctx->format = AV_PIX_FMT_QSV;
424  frames_ctx->sw_format = qsv_map_fourcc(i->FourCC);
425  frames_ctx->width = i->Width;
426  frames_ctx->height = i->Height;
427  frames_ctx->initial_pool_size = req->NumFrameSuggested;
428 
429  frames_hwctx->frame_type = req->Type;
430 
431  ret = av_hwframe_ctx_init(frames_ref);
432  if (ret < 0) {
433  av_log(ctx->logctx, AV_LOG_ERROR,
434  "Error initializing a frames context for an internal frame "
435  "allocation request\n");
436  av_buffer_unref(&frames_ref);
437  return MFX_ERR_MEMORY_ALLOC;
438  }
439 
440  mids_buf = qsv_create_mids(frames_ref);
441  if (!mids_buf) {
442  av_buffer_unref(&frames_ref);
443  return MFX_ERR_MEMORY_ALLOC;
444  }
445 
446  ret = qsv_setup_mids(resp, frames_ref, mids_buf);
447  av_buffer_unref(&mids_buf);
448  av_buffer_unref(&frames_ref);
449  if (ret < 0) {
450  av_log(ctx->logctx, AV_LOG_ERROR,
451  "Error filling an internal frame allocation request\n");
452  return MFX_ERR_MEMORY_ALLOC;
453  }
454  } else {
455  return MFX_ERR_UNSUPPORTED;
456  }
457 
458  return MFX_ERR_NONE;
459 }
460 
461 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
462 {
463  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
464  av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
465  av_freep(&resp->mids);
466  return MFX_ERR_NONE;
467 }
468 
469 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
470 {
471  QSVMid *qsv_mid = mid;
472  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
473  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
474  int ret;
475 
476  if (qsv_mid->locked_frame)
477  return MFX_ERR_UNDEFINED_BEHAVIOR;
478 
479  /* Allocate a system memory frame that will hold the mapped data. */
480  qsv_mid->locked_frame = av_frame_alloc();
481  if (!qsv_mid->locked_frame)
482  return MFX_ERR_MEMORY_ALLOC;
483  qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
484 
485  /* wrap the provided handle in a hwaccel AVFrame */
486  qsv_mid->hw_frame = av_frame_alloc();
487  if (!qsv_mid->hw_frame)
488  goto fail;
489 
490  qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
491  qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
492 
493  // doesn't really matter what buffer is used here
494  qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
495  if (!qsv_mid->hw_frame->buf[0])
496  goto fail;
497 
498  qsv_mid->hw_frame->width = hw_frames_ctx->width;
499  qsv_mid->hw_frame->height = hw_frames_ctx->height;
500 
501  qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
502  if (!qsv_mid->hw_frame->hw_frames_ctx)
503  goto fail;
504 
505  qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
506  qsv_mid->surf.Data.MemId = qsv_mid->handle;
507 
508  /* map the data to the system memory */
509  ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
511  if (ret < 0)
512  goto fail;
513 
514  ptr->Pitch = qsv_mid->locked_frame->linesize[0];
515  ptr->Y = qsv_mid->locked_frame->data[0];
516  ptr->U = qsv_mid->locked_frame->data[1];
517  ptr->V = qsv_mid->locked_frame->data[1] + 1;
518 
519  return MFX_ERR_NONE;
520 fail:
521  av_frame_free(&qsv_mid->hw_frame);
522  av_frame_free(&qsv_mid->locked_frame);
523  return MFX_ERR_MEMORY_ALLOC;
524 }
525 
526 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
527 {
528  QSVMid *qsv_mid = mid;
529 
530  av_frame_free(&qsv_mid->locked_frame);
531  av_frame_free(&qsv_mid->hw_frame);
532 
533  return MFX_ERR_NONE;
534 }
535 
536 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
537 {
538  QSVMid *qsv_mid = (QSVMid*)mid;
539  *hdl = qsv_mid->handle;
540  return MFX_ERR_NONE;
541 }
542 
543 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
544  AVBufferRef *device_ref, const char *load_plugins)
545 {
546  static const mfxHandleType handle_types[] = {
547  MFX_HANDLE_VA_DISPLAY,
548  MFX_HANDLE_D3D9_DEVICE_MANAGER,
549  MFX_HANDLE_D3D11_DEVICE,
550  };
551  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
552  AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
553  mfxSession parent_session = device_hwctx->session;
554 
555  mfxSession session;
556  mfxVersion ver;
557  mfxIMPL impl;
558  mfxHDL handle = NULL;
559  mfxHandleType handle_type;
560  mfxStatus err;
561 
562  int i, ret;
563 
564  err = MFXQueryIMPL(parent_session, &impl);
565  if (err == MFX_ERR_NONE)
566  err = MFXQueryVersion(parent_session, &ver);
567  if (err != MFX_ERR_NONE)
568  return ff_qsv_print_error(avctx, err,
569  "Error querying the session attributes");
570 
571  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
572  err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
573  if (err == MFX_ERR_NONE) {
574  handle_type = handle_types[i];
575  break;
576  }
577  handle = NULL;
578  }
579  if (!handle) {
580  av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
581  "from the session\n");
582  }
583 
584  err = MFXInit(impl, &ver, &session);
585  if (err != MFX_ERR_NONE)
586  return ff_qsv_print_error(avctx, err,
587  "Error initializing a child MFX session");
588 
589  if (handle) {
590  err = MFXVideoCORE_SetHandle(session, handle_type, handle);
591  if (err != MFX_ERR_NONE)
592  return ff_qsv_print_error(avctx, err,
593  "Error setting a HW handle");
594  }
595 
596  err = MFXJoinSession(parent_session, session);
597  if (err != MFX_ERR_NONE)
598  return ff_qsv_print_error(avctx, err,
599  "Error joining session");
600 
601  ret = qsv_load_plugins(session, load_plugins, avctx);
602  if (ret < 0) {
603  av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
604  return ret;
605  }
606 
607  *psession = session;
608  return 0;
609 }
610 
611 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
612  QSVFramesContext *qsv_frames_ctx,
613  const char *load_plugins, int opaque)
614 {
615  mfxFrameAllocator frame_allocator = {
616  .pthis = qsv_frames_ctx,
617  .Alloc = qsv_frame_alloc,
618  .Lock = qsv_frame_lock,
619  .Unlock = qsv_frame_unlock,
620  .GetHDL = qsv_frame_get_hdl,
621  .Free = qsv_frame_free,
622  };
623 
624  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
625  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
626 
627  mfxSession session;
628  mfxStatus err;
629 
630  int ret;
631 
632  ret = ff_qsv_init_session_device(avctx, &session,
633  frames_ctx->device_ref, load_plugins);
634  if (ret < 0)
635  return ret;
636 
637  if (!opaque) {
638  qsv_frames_ctx->logctx = avctx;
639 
640  /* allocate the memory ids for the external frames */
641  av_buffer_unref(&qsv_frames_ctx->mids_buf);
642  qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
643  if (!qsv_frames_ctx->mids_buf)
644  return AVERROR(ENOMEM);
645  qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
646  qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
647 
648  err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
649  if (err != MFX_ERR_NONE)
650  return ff_qsv_print_error(avctx, err,
651  "Error setting a frame allocator");
652  }
653 
654  *psession = session;
655  return 0;
656 }
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:59
#define NULL
Definition: coverity.c:32
uint32_t fourcc
Definition: hwcontext_qsv.c:90
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:372
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:526
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:393
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
static int qsv_load_plugins(mfxSession session, const char *load_plugins, void *logctx)
Definition: qsv.c:198
int averr
Definition: qsv.c:87
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:227
AVFrame * locked_frame
Definition: qsv_internal.h:45
AVBufferRef * hw_frames_ctx
Definition: qsv_internal.h:62
int ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsv.c:140
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:538
UID uid
Definition: mxfenc.c:1946
#define AV_PIX_FMT_P010
Definition: pixfmt.h:413
uint8_t
AVFrame * hw_frame
Definition: qsv_internal.h:46
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:150
AVBufferRef * mids_buf
Definition: qsv_internal.h:69
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:292
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:90
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
Convert a libmfx error code into an ffmpeg error code.
Definition: qsv.c:125
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque)
Definition: qsv.c:611
#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:259
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
Definition: qsv.c:187
error code definitions
#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:163
static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: qsv.c:461
mfxHDL handle
Definition: qsv_internal.h:43
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:85
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:28
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:325
#define fail()
Definition: checkasm.h:112
char * av_get_token(const char **buf, const char *term)
Unescape the given string until a non escaped terminating char, and return the token corresponding to...
Definition: avstring.c:149
int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsv.c:150
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
Definition: qsv.c:170
int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile)
Definition: qsv.c:69
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
#define QSV_VERSION_MINOR
Definition: qsv_internal.h:31
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2814
const char * desc
Definition: qsv.c:88
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:42
static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
Definition: qsv.c:536
AVFormatContext * ctx
Definition: movenc.c:48
enum AVCodecID codec_id
Definition: vaapi_decode.c:236
mfxFrameSurface1 surface
Definition: qsv_internal.h:52
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:274
The mapping must be direct.
Definition: hwcontext.h:518
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:232
main external API structure.
Definition: avcodec.h:1488
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:160
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:368
static const char * format
Definition: movenc.c:47
AVBufferRef * hw_frames_ref
Definition: qsv_internal.h:42
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:122
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:218
#define snprintf
Definition: snprintf.h:34
static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref, AVBufferRef *mids_buf)
Definition: qsv.c:336
mfxU16 profile
Definition: qsvenc.c:44
static AVBufferRef * qsv_create_mids(AVBufferRef *hw_frames_ref)
Definition: qsv.c:299
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:215
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:139
mfxStatus mfxerr
Definition: qsv.c:86
A reference to a data buffer.
Definition: buffer.h:81
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
common internal and external API header
if(ret< 0)
Definition: vf_mcdeint.c:279
static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: qsv.c:469
static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:160
int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags)
Map a hardware frame.
Definition: hwcontext.c:735
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
Definition: hwcontext.c:239
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
mfxFrameSurface1 surf
Definition: qsv_internal.h:47
int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session, const char *load_plugins)
Definition: qsv.c:249
#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 @120 qsv_errors[]
int height
Definition: frame.h:259
#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:220
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins)
Definition: qsv.c:543
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191