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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 
40 #include "avfilter.h"
41 #include "formats.h"
42 #include "internal.h"
43 #include "video.h"
44 
45 static const char *const var_names[] = {
46  "PI",
47  "PHI",
48  "E",
49  "in_w", "iw",
50  "in_h", "ih",
51  "out_w", "ow",
52  "out_h", "oh",
53  "a", "dar",
54  "sar",
55  NULL
56 };
57 
58 enum var_name {
69 };
70 
71 typedef struct QSVScaleContext {
72  const AVClass *class;
73 
75  /* a clone of the main session, used internally for scaling */
76  mfxSession session;
77 
78  mfxMemId *mem_ids_in;
80 
81  mfxMemId *mem_ids_out;
83 
84  mfxFrameSurface1 **surface_ptrs_in;
86 
87  mfxFrameSurface1 **surface_ptrs_out;
89 
90  mfxExtOpaqueSurfaceAlloc opaque_alloc;
91  mfxExtBuffer *ext_buffers[1];
92 
94 
95  /**
96  * New dimensions. Special values are:
97  * 0 = original width/height
98  * -1 = keep original aspect
99  */
100  int w, h;
101 
102  /**
103  * Output sw format. AV_PIX_FMT_NONE for no conversion.
104  */
106 
107  char *w_expr; ///< width expression string
108  char *h_expr; ///< height expression string
109  char *format_str;
111 
113 {
114  QSVScaleContext *s = ctx->priv;
115 
116  if (!strcmp(s->format_str, "same")) {
117  s->format = AV_PIX_FMT_NONE;
118  } else {
120  if (s->format == AV_PIX_FMT_NONE) {
121  av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", s->format_str);
122  return AVERROR(EINVAL);
123  }
124  }
125 
126  return 0;
127 }
128 
130 {
131  QSVScaleContext *s = ctx->priv;
132 
133  if (s->session) {
134  MFXClose(s->session);
135  s->session = NULL;
136  }
138 
139  av_freep(&s->mem_ids_in);
140  av_freep(&s->mem_ids_out);
141  s->nb_mem_ids_in = 0;
142  s->nb_mem_ids_out = 0;
143 
146  s->nb_surface_ptrs_in = 0;
147  s->nb_surface_ptrs_out = 0;
148 }
149 
151 {
152  static const enum AVPixelFormat pixel_formats[] = {
154  };
155  AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats);
156  int ret;
157 
158  if ((ret = ff_set_common_formats(ctx, pix_fmts)) < 0)
159  return ret;
160 
161  return 0;
162 }
163 
165  int out_width, int out_height)
166 {
167  QSVScaleContext *s = ctx->priv;
168 
169  AVHWFramesContext *in_frames_ctx;
170  AVHWFramesContext *out_frames_ctx;
171  AVQSVFramesContext *in_frames_hwctx;
172  AVQSVFramesContext *out_frames_hwctx;
173  enum AVPixelFormat in_format;
174  enum AVPixelFormat out_format;
175  int i, ret;
176 
177  /* check that we have a hw context */
178  if (!ctx->inputs[0]->hw_frames_ctx) {
179  av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
180  return AVERROR(EINVAL);
181  }
182  in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
183  in_frames_hwctx = in_frames_ctx->hwctx;
184 
185  in_format = in_frames_ctx->sw_format;
186  out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format;
187 
188  s->out_frames_ref = av_hwframe_ctx_alloc(in_frames_ctx->device_ref);
189  if (!s->out_frames_ref)
190  return AVERROR(ENOMEM);
191  out_frames_ctx = (AVHWFramesContext*)s->out_frames_ref->data;
192  out_frames_hwctx = out_frames_ctx->hwctx;
193 
194  out_frames_ctx->format = AV_PIX_FMT_QSV;
195  out_frames_ctx->width = FFALIGN(out_width, 32);
196  out_frames_ctx->height = FFALIGN(out_height, 32);
197  out_frames_ctx->sw_format = out_format;
198  out_frames_ctx->initial_pool_size = 32;
199 
200  out_frames_hwctx->frame_type = in_frames_hwctx->frame_type;
201 
203  if (ret < 0)
204  return ret;
205 
206  for (i = 0; i < out_frames_hwctx->nb_surfaces; i++) {
207  mfxFrameInfo *info = &out_frames_hwctx->surfaces[i].Info;
208  info->CropW = out_width;
209  info->CropH = out_height;
210  }
211 
212  return 0;
213 }
214 
215 static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
216  mfxFrameAllocResponse *resp)
217 {
218  AVFilterContext *ctx = pthis;
219  QSVScaleContext *s = ctx->priv;
220 
221  if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) ||
222  !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
223  !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
224  return MFX_ERR_UNSUPPORTED;
225 
226  if (req->Type & MFX_MEMTYPE_FROM_VPPIN) {
227  resp->mids = s->mem_ids_in;
228  resp->NumFrameActual = s->nb_mem_ids_in;
229  } else {
230  resp->mids = s->mem_ids_out;
231  resp->NumFrameActual = s->nb_mem_ids_out;
232  }
233 
234  return MFX_ERR_NONE;
235 }
236 
237 static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
238 {
239  return MFX_ERR_NONE;
240 }
241 
242 static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
243 {
244  return MFX_ERR_UNSUPPORTED;
245 }
246 
247 static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
248 {
249  return MFX_ERR_UNSUPPORTED;
250 }
251 
252 static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
253 {
254  *hdl = mid;
255  return MFX_ERR_NONE;
256 }
257 
258 static const mfxHandleType handle_types[] = {
259  MFX_HANDLE_VA_DISPLAY,
260  MFX_HANDLE_D3D9_DEVICE_MANAGER,
261  MFX_HANDLE_D3D11_DEVICE,
262 };
263 
265 {
266 
267  QSVScaleContext *s = ctx->priv;
268  AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
269  AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)s->out_frames_ref->data;
270  AVQSVFramesContext *in_frames_hwctx = in_frames_ctx->hwctx;
271  AVQSVFramesContext *out_frames_hwctx = out_frames_ctx->hwctx;
272  AVQSVDeviceContext *device_hwctx = in_frames_ctx->device_ctx->hwctx;
273 
274  int opaque = !!(in_frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
275 
276  mfxHDL handle = NULL;
277  mfxHandleType handle_type;
278  mfxVersion ver;
279  mfxIMPL impl;
280  mfxVideoParam par;
281  mfxStatus err;
282  int i;
283 
284  /* extract the properties of the "master" session given to us */
285  err = MFXQueryIMPL(device_hwctx->session, &impl);
286  if (err == MFX_ERR_NONE)
287  err = MFXQueryVersion(device_hwctx->session, &ver);
288  if (err != MFX_ERR_NONE) {
289  av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n");
290  return AVERROR_UNKNOWN;
291  }
292 
293  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
294  err = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle);
295  if (err == MFX_ERR_NONE) {
296  handle_type = handle_types[i];
297  break;
298  }
299  }
300 
301  /* create a "slave" session with those same properties, to be used for
302  * actual scaling */
303  err = MFXInit(impl, &ver, &s->session);
304  if (err != MFX_ERR_NONE) {
305  av_log(ctx, AV_LOG_ERROR, "Error initializing a session for scaling\n");
306  return AVERROR_UNKNOWN;
307  }
308 
309  if (handle) {
310  err = MFXVideoCORE_SetHandle(s->session, handle_type, handle);
311  if (err != MFX_ERR_NONE)
312  return AVERROR_UNKNOWN;
313  }
314 
315  memset(&par, 0, sizeof(par));
316 
317  if (opaque) {
318  s->surface_ptrs_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
319  sizeof(*s->surface_ptrs_in));
320  if (!s->surface_ptrs_in)
321  return AVERROR(ENOMEM);
322  for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
323  s->surface_ptrs_in[i] = in_frames_hwctx->surfaces + i;
324  s->nb_surface_ptrs_in = in_frames_hwctx->nb_surfaces;
325 
326  s->surface_ptrs_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
327  sizeof(*s->surface_ptrs_out));
328  if (!s->surface_ptrs_out)
329  return AVERROR(ENOMEM);
330  for (i = 0; i < out_frames_hwctx->nb_surfaces; i++)
331  s->surface_ptrs_out[i] = out_frames_hwctx->surfaces + i;
332  s->nb_surface_ptrs_out = out_frames_hwctx->nb_surfaces;
333 
334  s->opaque_alloc.In.Surfaces = s->surface_ptrs_in;
335  s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs_in;
336  s->opaque_alloc.In.Type = in_frames_hwctx->frame_type;
337 
338  s->opaque_alloc.Out.Surfaces = s->surface_ptrs_out;
339  s->opaque_alloc.Out.NumSurface = s->nb_surface_ptrs_out;
340  s->opaque_alloc.Out.Type = out_frames_hwctx->frame_type;
341 
342  s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
343  s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
344 
345  s->ext_buffers[0] = (mfxExtBuffer*)&s->opaque_alloc;
346 
347  par.ExtParam = s->ext_buffers;
348  par.NumExtParam = FF_ARRAY_ELEMS(s->ext_buffers);
349 
350  par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY | MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
351  } else {
352  mfxFrameAllocator frame_allocator = {
353  .pthis = ctx,
354  .Alloc = frame_alloc,
355  .Lock = frame_lock,
356  .Unlock = frame_unlock,
357  .GetHDL = frame_get_hdl,
358  .Free = frame_free,
359  };
360 
361  s->mem_ids_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
362  sizeof(*s->mem_ids_in));
363  if (!s->mem_ids_in)
364  return AVERROR(ENOMEM);
365  for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
366  s->mem_ids_in[i] = in_frames_hwctx->surfaces[i].Data.MemId;
367  s->nb_mem_ids_in = in_frames_hwctx->nb_surfaces;
368 
369  s->mem_ids_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
370  sizeof(*s->mem_ids_out));
371  if (!s->mem_ids_out)
372  return AVERROR(ENOMEM);
373  for (i = 0; i < out_frames_hwctx->nb_surfaces; i++)
374  s->mem_ids_out[i] = out_frames_hwctx->surfaces[i].Data.MemId;
375  s->nb_mem_ids_out = out_frames_hwctx->nb_surfaces;
376 
377  err = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator);
378  if (err != MFX_ERR_NONE)
379  return AVERROR_UNKNOWN;
380 
381  par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
382  }
383 
384  par.AsyncDepth = 1; // TODO async
385 
386  par.vpp.In = in_frames_hwctx->surfaces[0].Info;
387  par.vpp.Out = out_frames_hwctx->surfaces[0].Info;
388 
389  /* Apparently VPP requires the frame rate to be set to some value, otherwise
390  * init will fail (probably for the framerate conversion filter). Since we
391  * are only doing scaling here, we just invent an arbitrary
392  * value */
393  par.vpp.In.FrameRateExtN = 25;
394  par.vpp.In.FrameRateExtD = 1;
395  par.vpp.Out.FrameRateExtN = 25;
396  par.vpp.Out.FrameRateExtD = 1;
397 
398  err = MFXVideoVPP_Init(s->session, &par);
399  if (err != MFX_ERR_NONE) {
400  av_log(ctx, AV_LOG_ERROR, "Error opening the VPP for scaling\n");
401  return AVERROR_UNKNOWN;
402  }
403 
404  return 0;
405 }
406 
407 static int init_scale_session(AVFilterContext *ctx, int in_width, int in_height,
408  int out_width, int out_height)
409 {
410  QSVScaleContext *s = ctx->priv;
411 
412  int ret;
413 
414  qsvscale_uninit(ctx);
415 
416  ret = init_out_pool(ctx, out_width, out_height);
417  if (ret < 0)
418  return ret;
419 
420  ret = init_out_session(ctx);
421  if (ret < 0)
422  return ret;
423 
426  if (!ctx->outputs[0]->hw_frames_ctx)
427  return AVERROR(ENOMEM);
428 
429  return 0;
430 }
431 
433 {
434  AVFilterContext *ctx = outlink->src;
435  AVFilterLink *inlink = outlink->src->inputs[0];
436  QSVScaleContext *s = ctx->priv;
437  int64_t w, h;
438  double var_values[VARS_NB], res;
439  char *expr;
440  int ret;
441 
442  var_values[VAR_PI] = M_PI;
443  var_values[VAR_PHI] = M_PHI;
444  var_values[VAR_E] = M_E;
445  var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
446  var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
447  var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
448  var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
449  var_values[VAR_A] = (double) inlink->w / inlink->h;
450  var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
451  (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
452  var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
453 
454  /* evaluate width and height */
455  av_expr_parse_and_eval(&res, (expr = s->w_expr),
456  var_names, var_values,
457  NULL, NULL, NULL, NULL, NULL, 0, ctx);
458  s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
459  if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
460  var_names, var_values,
461  NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
462  goto fail;
463  s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
464  /* evaluate again the width, as it may depend on the output height */
465  if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
466  var_names, var_values,
467  NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
468  goto fail;
469  s->w = res;
470 
471  w = s->w;
472  h = s->h;
473 
474  /* sanity check params */
475  if (w < -1 || h < -1) {
476  av_log(ctx, AV_LOG_ERROR, "Size values less than -1 are not acceptable.\n");
477  return AVERROR(EINVAL);
478  }
479  if (w == -1 && h == -1)
480  s->w = s->h = 0;
481 
482  if (!(w = s->w))
483  w = inlink->w;
484  if (!(h = s->h))
485  h = inlink->h;
486  if (w == -1)
487  w = av_rescale(h, inlink->w, inlink->h);
488  if (h == -1)
489  h = av_rescale(w, inlink->h, inlink->w);
490 
491  if (w > INT_MAX || h > INT_MAX ||
492  (h * inlink->w) > INT_MAX ||
493  (w * inlink->h) > INT_MAX)
494  av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
495 
496  outlink->w = w;
497  outlink->h = h;
498 
499  ret = init_scale_session(ctx, inlink->w, inlink->h, w, h);
500  if (ret < 0)
501  return ret;
502 
503  av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
504  inlink->w, inlink->h, outlink->w, outlink->h);
505 
506  if (inlink->sample_aspect_ratio.num)
507  outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w,
508  outlink->w*inlink->h},
509  inlink->sample_aspect_ratio);
510  else
511  outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
512 
513  return 0;
514 
515 fail:
517  "Error when evaluating the expression '%s'\n", expr);
518  return ret;
519 }
520 
522 {
523  AVFilterContext *ctx = link->dst;
524  QSVScaleContext *s = ctx->priv;
525  AVFilterLink *outlink = ctx->outputs[0];
526 
527  mfxSyncPoint sync = NULL;
528  mfxStatus err;
529 
530  AVFrame *out = NULL;
531  int ret = 0;
532 
533  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
534  if (!out) {
535  ret = AVERROR(ENOMEM);
536  goto fail;
537  }
538 
539  do {
540  err = MFXVideoVPP_RunFrameVPPAsync(s->session,
541  (mfxFrameSurface1*)in->data[3],
542  (mfxFrameSurface1*)out->data[3],
543  NULL, &sync);
544  if (err == MFX_WRN_DEVICE_BUSY)
545  av_usleep(1);
546  } while (err == MFX_WRN_DEVICE_BUSY);
547 
548  if (err < 0 || !sync) {
549  av_log(ctx, AV_LOG_ERROR, "Error during scaling\n");
550  ret = AVERROR_UNKNOWN;
551  goto fail;
552  }
553 
554  do {
555  err = MFXVideoCORE_SyncOperation(s->session, sync, 1000);
556  } while (err == MFX_WRN_IN_EXECUTION);
557  if (err < 0) {
558  av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation: %d\n", err);
559  ret = AVERROR_UNKNOWN;
560  goto fail;
561  }
562 
563  ret = av_frame_copy_props(out, in);
564  if (ret < 0)
565  goto fail;
566 
567  out->width = outlink->w;
568  out->height = outlink->h;
569 
571  (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
572  (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
573  INT_MAX);
574 
575  av_frame_free(&in);
576  return ff_filter_frame(outlink, out);
577 fail:
578  av_frame_free(&in);
579  av_frame_free(&out);
580  return ret;
581 }
582 
583 #define OFFSET(x) offsetof(QSVScaleContext, x)
584 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
585 static const AVOption options[] = {
586  { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
587  { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
588  { "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
589 
590  { NULL },
591 };
592 
593 static const AVClass qsvscale_class = {
594  .class_name = "qsvscale",
595  .item_name = av_default_item_name,
596  .option = options,
597  .version = LIBAVUTIL_VERSION_INT,
598 };
599 
600 static const AVFilterPad qsvscale_inputs[] = {
601  {
602  .name = "default",
603  .type = AVMEDIA_TYPE_VIDEO,
604  .filter_frame = qsvscale_filter_frame,
605  },
606  { NULL }
607 };
608 
609 static const AVFilterPad qsvscale_outputs[] = {
610  {
611  .name = "default",
612  .type = AVMEDIA_TYPE_VIDEO,
613  .config_props = qsvscale_config_props,
614  },
615  { NULL }
616 };
617 
619  .name = "scale_qsv",
620  .description = NULL_IF_CONFIG_SMALL("QuickSync video scaling and format conversion"),
621 
622  .init = qsvscale_init,
623  .uninit = qsvscale_uninit,
624  .query_formats = qsvscale_query_formats,
625 
626  .priv_size = sizeof(QSVScaleContext),
627  .priv_class = &qsvscale_class,
628 
629  .inputs = qsvscale_inputs,
630  .outputs = qsvscale_outputs,
631 
632  .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
633 };
AVBufferRef * out_frames_ref
Definition: vf_scale_qsv.c:74
static const AVClass qsvscale_class
Definition: vf_scale_qsv.c:593
#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:393
static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameAllocResponse *resp)
Definition: vf_scale_qsv.c:215
const char * s
Definition: avisynth_c.h:768
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
This structure describes decoded (raw) audio or video data.
Definition: frame.h:187
enum AVPixelFormat format
Output sw format.
Definition: vf_scale_qsv.c:105
AVOption.
Definition: opt.h:246
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:583
mfxHandleType handle_type
Definition: hwcontext_qsv.c:75
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
int num
Numerator.
Definition: rational.h:59
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:222
enum AVPixelFormat format
The pixel format identifying the underlying HW surface type.
Definition: hwcontext.h:202
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:92
static int qsvscale_query_formats(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:150
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:331
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1125
AVOptions.
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:85
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
Definition: vf_scale_qsv.c:237
static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
Definition: vf_scale_qsv.c:247
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:432
AVFilter ff_vf_scale_qsv
Definition: vf_scale_qsv.c:618
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
static const AVFilterPad qsvscale_outputs[]
Definition: vf_scale_qsv.c:609
mfxExtOpaqueSurfaceAlloc opaque_alloc
Definition: vf_scale_qsv.c:90
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:726
static const AVOption options[]
Definition: vf_scale_qsv.c:585
int width
width and height of the video frame
Definition: frame.h:239
#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:78
av_default_item_name
#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
#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:179
static int qsvscale_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_scale_qsv.c:521
void * priv
private data for use by the filter
Definition: avfilter.h:338
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:268
static void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.h:229
#define fail()
Definition: checkasm.h:89
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:407
common internal API header
int initial_pool_size
Initial size of the frame pool.
Definition: hwcontext.h:192
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
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:142
static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
Definition: vf_scale_qsv.c:252
static int init_out_session(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:264
AVFormatContext * ctx
Definition: movenc.c:48
static const AVFilterPad outputs[]
Definition: af_afftfilt.c:386
int w
New dimensions.
Definition: vf_scale_qsv.c:100
#define FF_ARRAY_ELEMS(a)
mfxSession session
Definition: hwcontext_qsv.h:36
static const AVFilterPad inputs[]
Definition: af_afftfilt.c:376
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:266
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:155
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_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:117
#define M_PHI
Definition: mathematics.h:49
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:236
const char * name
Filter name.
Definition: avfilter.h:148
static const AVFilterPad qsvscale_inputs[]
Definition: vf_scale_qsv.c:600
mfxFrameSurface1 ** surface_ptrs_in
Definition: vf_scale_qsv.c:84
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:335
mfxSession session
Definition: vf_scale_qsv.c:76
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
static int qsvscale_init(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:112
mfxFrameSurface1 ** surface_ptrs_out
Definition: vf_scale_qsv.c:87
static void qsvscale_uninit(AVFilterContext *ctx)
Definition: vf_scale_qsv.c:129
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:201
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:134
A reference to a data buffer.
Definition: buffer.h:81
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:182
mfxMemId * mem_ids_out
Definition: vf_scale_qsv.c:81
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
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:164
static const mfxHandleType handle_types[]
Definition: vf_scale_qsv.c:258
#define NAN
Definition: math.h:28
mfxExtBuffer * ext_buffers[1]
Definition: vf_scale_qsv.c:91
char * h_expr
height expression string
Definition: vf_scale_qsv.c:108
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:242
An instance of a filter.
Definition: avfilter.h:323
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
int height
Definition: frame.h:239
FILE * out
Definition: movenc.c:54
#define av_freep(p)
static const char *const var_names[]
Definition: vf_scale_qsv.c:45
An API-specific header for AV_HWDEVICE_TYPE_QSV.
#define M_PI
Definition: mathematics.h:52
char * w_expr
width expression string
Definition: vf_scale_qsv.c:107
enum AVPixelFormat av_get_pix_fmt(const char *name)
Return the pixel format corresponding to name.
Definition: pixdesc.c:2261
internal API functions
#define FLAGS
Definition: vf_scale_qsv.c:584
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:215
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:596
simple arithmetic expression evaluator