FFmpeg  4.2.3
vf_scale_qsv.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 /**
20  * @file
21  * scale video filter - QSV
22  */
23 
24 #include <mfx/mfxvideo.h>
25 
26 #include <stdio.h>
27 #include <string.h>
28 
29 #include "libavutil/avstring.h"
30 #include "libavutil/common.h"
31 #include "libavutil/eval.h"
32 #include "libavutil/hwcontext.h"
34 #include "libavutil/internal.h"
35 #include "libavutil/mathematics.h"
36 #include "libavutil/opt.h"
37 #include "libavutil/pixdesc.h"
38 #include "libavutil/time.h"
39 #include "libavfilter/qsvvpp.h"
40 
41 #include "avfilter.h"
42 #include "formats.h"
43 #include "internal.h"
44 #include "video.h"
45 
46 static const char *const var_names[] = {
47  "PI",
48  "PHI",
49  "E",
50  "in_w", "iw",
51  "in_h", "ih",
52  "out_w", "ow",
53  "out_h", "oh",
54  "a", "dar",
55  "sar",
56  NULL
57 };
58 
59 enum var_name {
70 };
71 
72 #define QSV_HAVE_SCALING_CONFIG QSV_VERSION_ATLEAST(1, 19)
73 
74 typedef struct QSVScaleContext {
75  const AVClass *class;
76 
77  /* a clone of the main session, used internally for scaling */
78  mfxSession session;
79 
80  mfxMemId *mem_ids_in;
82 
83  mfxMemId *mem_ids_out;
85 
86  mfxFrameSurface1 **surface_ptrs_in;
88 
89  mfxFrameSurface1 **surface_ptrs_out;
91 
92  mfxExtOpaqueSurfaceAlloc opaque_alloc;
93 
94 #if QSV_HAVE_SCALING_CONFIG
95  mfxExtVPPScaling scale_conf;
96 #endif
97  int mode;
98 
101 
103 
104  /**
105  * New dimensions. Special values are:
106  * 0 = original width/height
107  * -1 = keep original aspect
108  */
109  int w, h;
110 
111  /**
112  * Output sw format. AV_PIX_FMT_NONE for no conversion.
113  */
115 
116  char *w_expr; ///< width expression string
117  char *h_expr; ///< height expression string
118  char *format_str;
120 
122 {
123  QSVScaleContext *s = ctx->priv;
124 
125  if (!strcmp(s->format_str, "same")) {
126  s->format = AV_PIX_FMT_NONE;
127  } else {
129  if (s->format == AV_PIX_FMT_NONE) {
130  av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", s->format_str);
131  return AVERROR(EINVAL);
132  }
133  }
134 
135  return 0;
136 }
137 
139 {
140  QSVScaleContext *s = ctx->priv;
141 
142  if (s->session) {
143  MFXClose(s->session);
144  s->session = NULL;
145  }
146 
147  av_freep(&s->mem_ids_in);
148  av_freep(&s->mem_ids_out);
149  s->nb_mem_ids_in = 0;
150  s->nb_mem_ids_out = 0;
151 
154  s->nb_surface_ptrs_in = 0;
155  s->nb_surface_ptrs_out = 0;
156 }
157 
159 {
160  static const enum AVPixelFormat pixel_formats[] = {
162  };
163  AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats);
164  int ret;
165 
166  if ((ret = ff_set_common_formats(ctx, pix_fmts)) < 0)
167  return ret;
168 
169  return 0;
170 }
171 
173  int out_width, int out_height)
174 {
175  QSVScaleContext *s = ctx->priv;
176  AVFilterLink *outlink = ctx->outputs[0];
177 
178  AVHWFramesContext *in_frames_ctx;
179  AVHWFramesContext *out_frames_ctx;
180  AVQSVFramesContext *in_frames_hwctx;
181  AVQSVFramesContext *out_frames_hwctx;
182  enum AVPixelFormat in_format;
183  enum AVPixelFormat out_format;
184  int i, ret;
185 
186  /* check that we have a hw context */
187  if (!ctx->inputs[0]->hw_frames_ctx) {
188  av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
189  return AVERROR(EINVAL);
190  }
191  in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
192  in_frames_hwctx = in_frames_ctx->hwctx;
193 
194  in_format = in_frames_ctx->sw_format;
195  out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format;
196 
197  outlink->hw_frames_ctx = av_hwframe_ctx_alloc(in_frames_ctx->device_ref);
198  if (!outlink->hw_frames_ctx)
199  return AVERROR(ENOMEM);
200  out_frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data;
201  out_frames_hwctx = out_frames_ctx->hwctx;
202 
203  out_frames_ctx->format = AV_PIX_FMT_QSV;
204  out_frames_ctx->width = FFALIGN(out_width, 32);
205  out_frames_ctx->height = FFALIGN(out_height, 32);
206  out_frames_ctx->sw_format = out_format;
207  out_frames_ctx->initial_pool_size = 4;
208 
209  out_frames_hwctx->frame_type = in_frames_hwctx->frame_type;
210 
211  ret = ff_filter_init_hw_frames(ctx, outlink, 32);
212  if (ret < 0)
213  return ret;
214 
215  ret = av_hwframe_ctx_init(outlink->hw_frames_ctx);
216  if (ret < 0)
217  return ret;
218 
219  for (i = 0; i < out_frames_hwctx->nb_surfaces; i++) {
220  mfxFrameInfo *info = &out_frames_hwctx->surfaces[i].Info;
221  info->CropW = out_width;
222  info->CropH = out_height;
223  }
224 
225  return 0;
226 }
227 
228 static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
229  mfxFrameAllocResponse *resp)
230 {
231  AVFilterContext *ctx = pthis;
232  QSVScaleContext *s = ctx->priv;
233 
234  if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) ||
235  !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
236  !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
237  return MFX_ERR_UNSUPPORTED;
238 
239  if (req->Type & MFX_MEMTYPE_FROM_VPPIN) {
240  resp->mids = s->mem_ids_in;
241  resp->NumFrameActual = s->nb_mem_ids_in;
242  } else {
243  resp->mids = s->mem_ids_out;
244  resp->NumFrameActual = s->nb_mem_ids_out;
245  }
246 
247  return MFX_ERR_NONE;
248 }
249 
250 static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
251 {
252  return MFX_ERR_NONE;
253 }
254 
255 static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
256 {
257  return MFX_ERR_UNSUPPORTED;
258 }
259 
260 static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
261 {
262  return MFX_ERR_UNSUPPORTED;
263 }
264 
265 static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
266 {
267  *hdl = mid;
268  return MFX_ERR_NONE;
269 }
270 
271 static const mfxHandleType handle_types[] = {
272  MFX_HANDLE_VA_DISPLAY,
273  MFX_HANDLE_D3D9_DEVICE_MANAGER,
274  MFX_HANDLE_D3D11_DEVICE,
275 };
276 
278 {
279 
280  QSVScaleContext *s = ctx->priv;
281  AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
282  AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)ctx->outputs[0]->hw_frames_ctx->data;
283  AVQSVFramesContext *in_frames_hwctx = in_frames_ctx->hwctx;
284  AVQSVFramesContext *out_frames_hwctx = out_frames_ctx->hwctx;
285  AVQSVDeviceContext *device_hwctx = in_frames_ctx->device_ctx->hwctx;
286 
287  int opaque = !!(in_frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
288 
289  mfxHDL handle = NULL;
290  mfxHandleType handle_type;
291  mfxVersion ver;
292  mfxIMPL impl;
293  mfxVideoParam par;
294  mfxStatus err;
295  int i;
296 
297  s->num_ext_buf = 0;
298 
299  /* extract the properties of the "master" session given to us */
300  err = MFXQueryIMPL(device_hwctx->session, &impl);
301  if (err == MFX_ERR_NONE)
302  err = MFXQueryVersion(device_hwctx->session, &ver);
303  if (err != MFX_ERR_NONE) {
304  av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n");
305  return AVERROR_UNKNOWN;
306  }
307 
308  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
309  err = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle);
310  if (err == MFX_ERR_NONE) {
311  handle_type = handle_types[i];
312  break;
313  }
314  }
315 
316  if (err != MFX_ERR_NONE) {
317  av_log(ctx, AV_LOG_ERROR, "Error getting the session handle\n");
318  return AVERROR_UNKNOWN;
319  }
320 
321  /* create a "slave" session with those same properties, to be used for
322  * actual scaling */
323  err = MFXInit(impl, &ver, &s->session);
324  if (err != MFX_ERR_NONE) {
325  av_log(ctx, AV_LOG_ERROR, "Error initializing a session for scaling\n");
326  return AVERROR_UNKNOWN;
327  }
328 
329  if (handle) {
330  err = MFXVideoCORE_SetHandle(s->session, handle_type, handle);
331  if (err != MFX_ERR_NONE)
332  return AVERROR_UNKNOWN;
333  }
334 
335  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
336  err = MFXJoinSession(device_hwctx->session, s->session);
337  if (err != MFX_ERR_NONE)
338  return AVERROR_UNKNOWN;
339  }
340 
341  memset(&par, 0, sizeof(par));
342 
343  if (opaque) {
344  s->surface_ptrs_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
345  sizeof(*s->surface_ptrs_in));
346  if (!s->surface_ptrs_in)
347  return AVERROR(ENOMEM);
348  for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
349  s->surface_ptrs_in[i] = in_frames_hwctx->surfaces + i;
350  s->nb_surface_ptrs_in = in_frames_hwctx->nb_surfaces;
351 
352  s->surface_ptrs_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
353  sizeof(*s->surface_ptrs_out));
354  if (!s->surface_ptrs_out)
355  return AVERROR(ENOMEM);
356  for (i = 0; i < out_frames_hwctx->nb_surfaces; i++)
357  s->surface_ptrs_out[i] = out_frames_hwctx->surfaces + i;
358  s->nb_surface_ptrs_out = out_frames_hwctx->nb_surfaces;
359 
360  s->opaque_alloc.In.Surfaces = s->surface_ptrs_in;
361  s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs_in;
362  s->opaque_alloc.In.Type = in_frames_hwctx->frame_type;
363 
364  s->opaque_alloc.Out.Surfaces = s->surface_ptrs_out;
365  s->opaque_alloc.Out.NumSurface = s->nb_surface_ptrs_out;
366  s->opaque_alloc.Out.Type = out_frames_hwctx->frame_type;
367 
368  s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
369  s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
370 
371  s->ext_buffers[s->num_ext_buf++] = (mfxExtBuffer*)&s->opaque_alloc;
372 
373  par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY | MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
374  } else {
375  mfxFrameAllocator frame_allocator = {
376  .pthis = ctx,
377  .Alloc = frame_alloc,
378  .Lock = frame_lock,
379  .Unlock = frame_unlock,
380  .GetHDL = frame_get_hdl,
381  .Free = frame_free,
382  };
383 
384  s->mem_ids_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
385  sizeof(*s->mem_ids_in));
386  if (!s->mem_ids_in)
387  return AVERROR(ENOMEM);
388  for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
389  s->mem_ids_in[i] = in_frames_hwctx->surfaces[i].Data.MemId;
390  s->nb_mem_ids_in = in_frames_hwctx->nb_surfaces;
391 
392  s->mem_ids_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
393  sizeof(*s->mem_ids_out));
394  if (!s->mem_ids_out)
395  return AVERROR(ENOMEM);
396  for (i = 0; i < out_frames_hwctx->nb_surfaces; i++)
397  s->mem_ids_out[i] = out_frames_hwctx->surfaces[i].Data.MemId;
398  s->nb_mem_ids_out = out_frames_hwctx->nb_surfaces;
399 
400  err = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator);
401  if (err != MFX_ERR_NONE)
402  return AVERROR_UNKNOWN;
403 
404  par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
405  }
406 
407 #if QSV_HAVE_SCALING_CONFIG
408  memset(&s->scale_conf, 0, sizeof(mfxExtVPPScaling));
409  s->scale_conf.Header.BufferId = MFX_EXTBUFF_VPP_SCALING;
410  s->scale_conf.Header.BufferSz = sizeof(mfxExtVPPScaling);
411  s->scale_conf.ScalingMode = s->mode;
412  s->ext_buffers[s->num_ext_buf++] = (mfxExtBuffer*)&s->scale_conf;
413  av_log(ctx, AV_LOG_VERBOSE, "Scaling mode: %"PRIu16"\n", s->mode);
414 #endif
415 
416  par.ExtParam = s->ext_buffers;
417  par.NumExtParam = s->num_ext_buf;
418 
419  par.AsyncDepth = 1; // TODO async
420 
421  par.vpp.In = in_frames_hwctx->surfaces[0].Info;
422  par.vpp.Out = out_frames_hwctx->surfaces[0].Info;
423 
424  /* Apparently VPP requires the frame rate to be set to some value, otherwise
425  * init will fail (probably for the framerate conversion filter). Since we
426  * are only doing scaling here, we just invent an arbitrary
427  * value */
428  par.vpp.In.FrameRateExtN = 25;
429  par.vpp.In.FrameRateExtD = 1;
430  par.vpp.Out.FrameRateExtN = 25;
431  par.vpp.Out.FrameRateExtD = 1;
432 
433  err = MFXVideoVPP_Init(s->session, &par);
434  if (err != MFX_ERR_NONE) {
435  av_log(ctx, AV_LOG_ERROR, "Error opening the VPP for scaling\n");
436  return AVERROR_UNKNOWN;
437  }
438 
439  return 0;
440 }
441 
442 static int init_scale_session(AVFilterContext *ctx, int in_width, int in_height,
443  int out_width, int out_height)
444 {
445  int ret;
446 
447  qsvscale_uninit(ctx);
448 
449  ret = init_out_pool(ctx, out_width, out_height);
450  if (ret < 0)
451  return ret;
452 
453  ret = init_out_session(ctx);
454  if (ret < 0)
455  return ret;
456 
457  return 0;
458 }
459 
461 {
462  AVFilterContext *ctx = outlink->src;
463  AVFilterLink *inlink = outlink->src->inputs[0];
464  QSVScaleContext *s = ctx->priv;
465  int64_t w, h;
466  double var_values[VARS_NB], res;
467  char *expr;
468  int ret;
469 
470  var_values[VAR_PI] = M_PI;
471  var_values[VAR_PHI] = M_PHI;
472  var_values[VAR_E] = M_E;
473  var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
474  var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
475  var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
476  var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
477  var_values[VAR_A] = (double) inlink->w / inlink->h;
478  var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
479  (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
480  var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
481 
482  /* evaluate width and height */
483  av_expr_parse_and_eval(&res, (expr = s->w_expr),
484  var_names, var_values,
485  NULL, NULL, NULL, NULL, NULL, 0, ctx);
486  s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
487  if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
488  var_names, var_values,
489  NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
490  goto fail;
491  s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
492  /* evaluate again the width, as it may depend on the output height */
493  if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
494  var_names, var_values,
495  NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
496  goto fail;
497  s->w = res;
498 
499  w = s->w;
500  h = s->h;
501 
502  /* sanity check params */
503  if (w < -1 || h < -1) {
504  av_log(ctx, AV_LOG_ERROR, "Size values less than -1 are not acceptable.\n");
505  return AVERROR(EINVAL);
506  }
507  if (w == -1 && h == -1)
508  s->w = s->h = 0;
509 
510  if (!(w = s->w))
511  w = inlink->w;
512  if (!(h = s->h))
513  h = inlink->h;
514  if (w == -1)
515  w = av_rescale(h, inlink->w, inlink->h);
516  if (h == -1)
517  h = av_rescale(w, inlink->h, inlink->w);
518 
519  if (w > INT_MAX || h > INT_MAX ||
520  (h * inlink->w) > INT_MAX ||
521  (w * inlink->h) > INT_MAX)
522  av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
523 
524  outlink->w = w;
525  outlink->h = h;
526 
527  ret = init_scale_session(ctx, inlink->w, inlink->h, w, h);
528  if (ret < 0)
529  return ret;
530 
531  av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
532  inlink->w, inlink->h, outlink->w, outlink->h);
533 
534  if (inlink->sample_aspect_ratio.num)
535  outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w,
536  outlink->w*inlink->h},
537  inlink->sample_aspect_ratio);
538  else
539  outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
540 
541  return 0;
542 
543 fail:
545  "Error when evaluating the expression '%s'\n", expr);
546  return ret;
547 }
548 
550 {
551  AVFilterContext *ctx = link->dst;
552  QSVScaleContext *s = ctx->priv;
553  AVFilterLink *outlink = ctx->outputs[0];
554 
555  mfxSyncPoint sync = NULL;
556  mfxStatus err;
557 
558  AVFrame *out = NULL;
559  int ret = 0;
560 
561  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
562  if (!out) {
563  ret = AVERROR(ENOMEM);
564  goto fail;
565  }
566 
567  do {
568  err = MFXVideoVPP_RunFrameVPPAsync(s->session,
569  (mfxFrameSurface1*)in->data[3],
570  (mfxFrameSurface1*)out->data[3],
571  NULL, &sync);
572  if (err == MFX_WRN_DEVICE_BUSY)
573  av_usleep(1);
574  } while (err == MFX_WRN_DEVICE_BUSY);
575 
576  if (err < 0 || !sync) {
577  av_log(ctx, AV_LOG_ERROR, "Error during scaling\n");
578  ret = AVERROR_UNKNOWN;
579  goto fail;
580  }
581 
582  do {
583  err = MFXVideoCORE_SyncOperation(s->session, sync, 1000);
584  } while (err == MFX_WRN_IN_EXECUTION);
585  if (err < 0) {
586  av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation: %d\n", err);
587  ret = AVERROR_UNKNOWN;
588  goto fail;
589  }
590 
591  ret = av_frame_copy_props(out, in);
592  if (ret < 0)
593  goto fail;
594 
595  out->width = outlink->w;
596  out->height = outlink->h;
597 
599  (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
600  (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
601  INT_MAX);
602 
603  av_frame_free(&in);
604  return ff_filter_frame(outlink, out);
605 fail:
606  av_frame_free(&in);
607  av_frame_free(&out);
608  return ret;
609 }
610 
611 #define OFFSET(x) offsetof(QSVScaleContext, x)
612 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
613 static const AVOption options[] = {
614  { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
615  { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
616  { "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
617 
618 #if QSV_HAVE_SCALING_CONFIG
619  { "mode", "set scaling mode", OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = MFX_SCALING_MODE_DEFAULT}, MFX_SCALING_MODE_DEFAULT, MFX_SCALING_MODE_QUALITY, FLAGS, "mode"},
620  { "low_power", "low power mode", 0, AV_OPT_TYPE_CONST, { .i64 = MFX_SCALING_MODE_LOWPOWER}, INT_MIN, INT_MAX, FLAGS, "mode"},
621  { "hq", "high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = MFX_SCALING_MODE_QUALITY}, INT_MIN, INT_MAX, FLAGS, "mode"},
622 #else
623  { "mode", "(not supported)", OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = 0}, 0, INT_MAX, FLAGS, "mode"},
624  { "low_power", "", 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, FLAGS, "mode"},
625  { "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, FLAGS, "mode"},
626 #endif
627 
628  { NULL },
629 };
630 
631 static const AVClass qsvscale_class = {
632  .class_name = "qsvscale",
633  .item_name = av_default_item_name,
634  .option = options,
635  .version = LIBAVUTIL_VERSION_INT,
636 };
637 
638 static const AVFilterPad qsvscale_inputs[] = {
639  {
640  .name = "default",
641  .type = AVMEDIA_TYPE_VIDEO,
642  .filter_frame = qsvscale_filter_frame,
643  },
644  { NULL }
645 };
646 
647 static const AVFilterPad qsvscale_outputs[] = {
648  {
649  .name = "default",
650  .type = AVMEDIA_TYPE_VIDEO,
651  .config_props = qsvscale_config_props,
652  },
653  { NULL }
654 };
655 
657  .name = "scale_qsv",
658  .description = NULL_IF_CONFIG_SMALL("QuickSync video scaling and format conversion"),
659 
660  .init = qsvscale_init,
661  .uninit = qsvscale_uninit,
662  .query_formats = qsvscale_query_formats,
663 
664  .priv_size = sizeof(QSVScaleContext),
665  .priv_class = &qsvscale_class,
666 
667  .inputs = qsvscale_inputs,
668  .outputs = qsvscale_outputs,
669 
670  .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
671 };
static const AVClass qsvscale_class
Definition: vf_scale_qsv.c:631
#define NULL
Definition: coverity.c:32
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
Definition: internal.h:385
static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameAllocResponse *resp)
Definition: vf_scale_qsv.c:228
This structure describes decoded (raw) audio or video data.
Definition: frame.h:295
enum AVPixelFormat format
Output sw format.
Definition: vf_scale_qsv.c:114
AVOption.
Definition: opt.h:246
mfxExtBuffer * ext_buffers[1+QSV_HAVE_SCALING_CONFIG]
Definition: vf_scale_qsv.c:99
int frame_type
A combination of MFX_MEMTYPE_* describing the frame pool.
Definition: hwcontext_qsv.h:49
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
Main libavfilter public API header.
#define OFFSET(x)
Definition: vf_scale_qsv.c:611
mfxHandleType handle_type
Definition: hwcontext_qsv.c:85
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
int num
Numerator.
Definition: rational.h:59
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
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
enum AVPixelFormat format
The pixel format identifying the underlying HW surface type.
Definition: hwcontext.h:208
int av_usleep(unsigned usec)
Sleep for a period of time.
Definition: time.c:84
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:99
static int qsvscale_query_formats(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:158
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
const char * name
Pad name.
Definition: internal.h:60
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:346
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1080
#define av_cold
Definition: attributes.h:82
AVOptions.
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
static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: vf_scale_qsv.c:250
static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: vf_scale_qsv.c:260
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
static int qsvscale_config_props(AVFilterLink *outlink)
Definition: vf_scale_qsv.c:460
AVFilter ff_vf_scale_qsv
Definition: vf_scale_qsv.c:656
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
static const AVFilterPad qsvscale_outputs[]
Definition: vf_scale_qsv.c:647
mfxExtOpaqueSurfaceAlloc opaque_alloc
Definition: vf_scale_qsv.c:92
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
A filter pad used for either input or output.
Definition: internal.h:54
int av_expr_parse_and_eval(double *d, const char *s, const char *const *const_names, const double *const_values, const char *const *func1_names, double(*const *funcs1)(void *, double), const char *const *func2_names, double(*const *funcs2)(void *, double, double), void *opaque, int log_offset, void *log_ctx)
Parse and evaluate an expression.
Definition: eval.c:744
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
static const AVOption options[]
Definition: vf_scale_qsv.c:613
int width
Definition: frame.h:353
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:568
mfxMemId * mem_ids_in
Definition: vf_scale_qsv.c:80
#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
#define M_E
Definition: mathematics.h:37
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static int qsvscale_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_scale_qsv.c:549
void * priv
private data for use by the filter
Definition: avfilter.h:353
static av_cold void qsvscale_uninit(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:138
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:329
#define fail()
Definition: checkasm.h:120
var_name
Definition: aeval.c:46
static int init_scale_session(AVFilterContext *ctx, int in_width, int in_height, int out_width, int out_height)
Definition: vf_scale_qsv.c:442
common internal API header
int initial_pool_size
Initial size of the frame pool.
Definition: hwcontext.h:198
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
Definition: mathematics.c:129
#define NAN
Definition: mathematics.h:64
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:148
static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
Definition: vf_scale_qsv.c:265
static int init_out_session(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:277
AVFormatContext * ctx
Definition: movenc.c:48
#define s(width, name)
Definition: cbs_vp9.c:257
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
int w
New dimensions.
Definition: vf_scale_qsv.c:109
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define FF_ARRAY_ELEMS(a)
mfxSession session
Definition: hwcontext_qsv.h:36
mfxFrameSurface1 * surfaces
Definition: hwcontext_qsv.h:43
uint8_t * data
The data buffer.
Definition: buffer.h:89
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:383
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:161
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
Rational number (pair of numerator and denominator).
Definition: rational.h:58
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:123
#define M_PHI
Definition: mathematics.h:49
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:222
const char * name
Filter name.
Definition: avfilter.h:148
static const AVFilterPad qsvscale_inputs[]
Definition: vf_scale_qsv.c:638
mfxFrameSurface1 ** surface_ptrs_in
Definition: vf_scale_qsv.c:86
static av_cold int qsvscale_init(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:121
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
mfxSession session
Definition: vf_scale_qsv.c:78
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
mfxFrameSurface1 ** surface_ptrs_out
Definition: vf_scale_qsv.c:89
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:140
common internal and external API header
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
Definition: hwcontext.c:243
mfxMemId * mem_ids_out
Definition: vf_scale_qsv.c:83
int ff_filter_init_hw_frames(AVFilterContext *avctx, AVFilterLink *link, int default_pool_size)
Perform any additional setup required for hardware frames.
Definition: avfilter.c:1640
int den
Denominator.
Definition: rational.h:60
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
static int init_out_pool(AVFilterContext *ctx, int out_width, int out_height)
Definition: vf_scale_qsv.c:172
static const mfxHandleType handle_types[]
Definition: vf_scale_qsv.c:271
char * h_expr
height expression string
Definition: vf_scale_qsv.c:117
A list of supported formats for one end of a filter link.
Definition: formats.h:64
static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: vf_scale_qsv.c:255
An instance of a filter.
Definition: avfilter.h:338
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
Intel Quick Sync Video VPP base function.
int height
Definition: frame.h:353
FILE * out
Definition: movenc.c:54
#define av_freep(p)
static const char *const var_names[]
Definition: vf_scale_qsv.c:46
An API-specific header for AV_HWDEVICE_TYPE_QSV.
#define QSV_HAVE_SCALING_CONFIG
Definition: vf_scale_qsv.c:72
#define M_PI
Definition: mathematics.h:52
char * w_expr
width expression string
Definition: vf_scale_qsv.c:116
enum AVPixelFormat av_get_pix_fmt(const char *name)
Return the pixel format corresponding to name.
Definition: pixdesc.c:2450
internal API functions
#define FLAGS
Definition: vf_scale_qsv.c:612
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
mode
Use these values in ebur128_init (or&#39;ed).
Definition: ebur128.h:83
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:654
simple arithmetic expression evaluator
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:191