FFmpeg
vf_deinterlace_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  * deinterlace 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/hwcontext.h"
33 #include "libavutil/internal.h"
34 #include "libavutil/mathematics.h"
35 #include "libavutil/opt.h"
36 #include "libavutil/pixdesc.h"
37 #include "libavutil/time.h"
38 #include "libavfilter/qsvvpp.h"
39 
40 #include "avfilter.h"
41 #include "formats.h"
42 #include "internal.h"
43 #include "video.h"
44 
45 enum {
48 };
49 
50 typedef struct QSVFrame {
51  AVFrame *frame;
52  mfxFrameSurface1 surface;
53  int used;
54 
55  struct QSVFrame *next;
56 } QSVFrame;
57 
58 typedef struct QSVDeintContext {
59  const AVClass *class;
60 
62  /* a clone of the main session, used internally for deinterlacing */
63  mfxSession session;
64 
65  mfxMemId *mem_ids;
67 
68  mfxFrameSurface1 **surface_ptrs;
70 
71  mfxExtOpaqueSurfaceAlloc opaque_alloc;
72  mfxExtVPPDeinterlacing deint_conf;
73  mfxExtBuffer *ext_buffers[2];
75 
77 
78  int64_t last_pts;
79 
80  int eof;
81 
82  /* option for Deinterlacing algorithm to be used */
83  int mode;
85 
87 {
88  QSVDeintContext *s = ctx->priv;
89  QSVFrame *cur;
90 
91  if (s->session) {
92  MFXClose(s->session);
93  s->session = NULL;
94  }
96 
97  cur = s->work_frames;
98  while (cur) {
99  s->work_frames = cur->next;
100  av_frame_free(&cur->frame);
101  av_freep(&cur);
102  cur = s->work_frames;
103  }
104 
105  av_freep(&s->mem_ids);
106  s->nb_mem_ids = 0;
107 
108  av_freep(&s->surface_ptrs);
109  s->nb_surface_ptrs = 0;
110 }
111 
113 {
114  static const enum AVPixelFormat pixel_formats[] = {
116  };
117  AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats);
118  int ret;
119 
120  if ((ret = ff_set_common_formats(ctx, pix_fmts)) < 0)
121  return ret;
122 
123  return 0;
124 }
125 
126 static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
127  mfxFrameAllocResponse *resp)
128 {
129  AVFilterContext *ctx = pthis;
130  QSVDeintContext *s = ctx->priv;
131 
132  if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) ||
133  !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
134  !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
135  return MFX_ERR_UNSUPPORTED;
136 
137  resp->mids = s->mem_ids;
138  resp->NumFrameActual = s->nb_mem_ids;
139 
140  return MFX_ERR_NONE;
141 }
142 
143 static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
144 {
145  return MFX_ERR_NONE;
146 }
147 
148 static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
149 {
150  return MFX_ERR_UNSUPPORTED;
151 }
152 
153 static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
154 {
155  return MFX_ERR_UNSUPPORTED;
156 }
157 
158 static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
159 {
160  *hdl = mid;
161  return MFX_ERR_NONE;
162 }
163 
164 static const mfxHandleType handle_types[] = {
165  MFX_HANDLE_VA_DISPLAY,
166  MFX_HANDLE_D3D9_DEVICE_MANAGER,
167  MFX_HANDLE_D3D11_DEVICE,
168 };
169 
171 {
172 
173  QSVDeintContext *s = ctx->priv;
174  AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)s->hw_frames_ctx->data;
175  AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
176  AVQSVDeviceContext *device_hwctx = hw_frames_ctx->device_ctx->hwctx;
177 
178  int opaque = !!(hw_frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
179 
180  mfxHDL handle = NULL;
181  mfxHandleType handle_type;
182  mfxVersion ver;
183  mfxIMPL impl;
184  mfxVideoParam par;
185  mfxStatus err;
186  int i;
187 
188  /* extract the properties of the "master" session given to us */
189  err = MFXQueryIMPL(device_hwctx->session, &impl);
190  if (err == MFX_ERR_NONE)
191  err = MFXQueryVersion(device_hwctx->session, &ver);
192  if (err != MFX_ERR_NONE) {
193  av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n");
194  return AVERROR_UNKNOWN;
195  }
196 
197  for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
198  err = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle);
199  if (err == MFX_ERR_NONE) {
200  handle_type = handle_types[i];
201  break;
202  }
203  }
204 
205  if (err < 0)
206  return ff_qsvvpp_print_error(ctx, err, "Error getting the session handle");
207  else if (err > 0) {
208  ff_qsvvpp_print_warning(ctx, err, "Warning in getting the session handle");
209  return AVERROR_UNKNOWN;
210  }
211 
212  /* create a "slave" session with those same properties, to be used for
213  * actual deinterlacing */
214  err = MFXInit(impl, &ver, &s->session);
215  if (err < 0)
216  return ff_qsvvpp_print_error(ctx, err, "Error initializing a session for deinterlacing");
217  else if (err > 0) {
218  ff_qsvvpp_print_warning(ctx, err, "Warning in session initialization");
219  return AVERROR_UNKNOWN;
220  }
221 
222  if (handle) {
223  err = MFXVideoCORE_SetHandle(s->session, handle_type, handle);
224  if (err != MFX_ERR_NONE)
225  return AVERROR_UNKNOWN;
226  }
227 
228  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
229  err = MFXJoinSession(device_hwctx->session, s->session);
230  if (err != MFX_ERR_NONE)
231  return AVERROR_UNKNOWN;
232  }
233 
234  memset(&par, 0, sizeof(par));
235 
236  s->deint_conf.Header.BufferId = MFX_EXTBUFF_VPP_DEINTERLACING;
237  s->deint_conf.Header.BufferSz = sizeof(s->deint_conf);
238  s->deint_conf.Mode = s->mode;
239 
240  s->ext_buffers[s->num_ext_buffers++] = (mfxExtBuffer *)&s->deint_conf;
241 
242  if (opaque) {
243  s->surface_ptrs = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
244  sizeof(*s->surface_ptrs));
245  if (!s->surface_ptrs)
246  return AVERROR(ENOMEM);
247  for (i = 0; i < hw_frames_hwctx->nb_surfaces; i++)
248  s->surface_ptrs[i] = hw_frames_hwctx->surfaces + i;
249  s->nb_surface_ptrs = hw_frames_hwctx->nb_surfaces;
250 
251  s->opaque_alloc.In.Surfaces = s->surface_ptrs;
252  s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs;
253  s->opaque_alloc.In.Type = hw_frames_hwctx->frame_type;
254 
255  s->opaque_alloc.Out = s->opaque_alloc.In;
256 
257  s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
258  s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
259 
260  s->ext_buffers[s->num_ext_buffers++] = (mfxExtBuffer *)&s->opaque_alloc;
261 
262  par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY | MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
263  } else {
264  mfxFrameAllocator frame_allocator = {
265  .pthis = ctx,
266  .Alloc = frame_alloc,
267  .Lock = frame_lock,
268  .Unlock = frame_unlock,
269  .GetHDL = frame_get_hdl,
270  .Free = frame_free,
271  };
272 
273  s->mem_ids = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
274  sizeof(*s->mem_ids));
275  if (!s->mem_ids)
276  return AVERROR(ENOMEM);
277  for (i = 0; i < hw_frames_hwctx->nb_surfaces; i++)
278  s->mem_ids[i] = hw_frames_hwctx->surfaces[i].Data.MemId;
279  s->nb_mem_ids = hw_frames_hwctx->nb_surfaces;
280 
281  err = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator);
282  if (err != MFX_ERR_NONE)
283  return AVERROR_UNKNOWN;
284 
285  par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
286  }
287 
288  par.ExtParam = s->ext_buffers;
289  par.NumExtParam = s->num_ext_buffers;
290 
291  par.AsyncDepth = 1; // TODO async
292 
293  par.vpp.In = hw_frames_hwctx->surfaces[0].Info;
294 
295  par.vpp.In.CropW = ctx->inputs[0]->w;
296  par.vpp.In.CropH = ctx->inputs[0]->h;
297 
298  if (ctx->inputs[0]->frame_rate.num) {
299  par.vpp.In.FrameRateExtN = ctx->inputs[0]->frame_rate.num;
300  par.vpp.In.FrameRateExtD = ctx->inputs[0]->frame_rate.den;
301  } else {
302  par.vpp.In.FrameRateExtN = ctx->inputs[0]->time_base.num;
303  par.vpp.In.FrameRateExtD = ctx->inputs[0]->time_base.den;
304  }
305 
306  par.vpp.Out = par.vpp.In;
307 
308  if (ctx->outputs[0]->frame_rate.num) {
309  par.vpp.Out.FrameRateExtN = ctx->outputs[0]->frame_rate.num;
310  par.vpp.Out.FrameRateExtD = ctx->outputs[0]->frame_rate.den;
311  } else {
312  par.vpp.Out.FrameRateExtN = ctx->outputs[0]->time_base.num;
313  par.vpp.Out.FrameRateExtD = ctx->outputs[0]->time_base.den;
314  }
315 
316  /* Print input memory mode */
317  ff_qsvvpp_print_iopattern(ctx, par.IOPattern & 0x0F, "VPP");
318  /* Print output memory mode */
319  ff_qsvvpp_print_iopattern(ctx, par.IOPattern & 0xF0, "VPP");
320  err = MFXVideoVPP_Init(s->session, &par);
321  if (err < 0)
322  return ff_qsvvpp_print_error(ctx, err,
323  "Error opening the VPP for deinterlacing");
324  else if (err > 0) {
325  ff_qsvvpp_print_warning(ctx, err,
326  "Warning in VPP initialization");
327  return AVERROR_UNKNOWN;
328  }
329 
330  return 0;
331 }
332 
334 {
335  AVFilterContext *ctx = outlink->src;
336  AVFilterLink *inlink = ctx->inputs[0];
337  QSVDeintContext *s = ctx->priv;
338  int ret;
339 
340  qsvdeint_uninit(ctx);
341 
343  outlink->frame_rate = av_mul_q(inlink->frame_rate,
344  (AVRational){ 2, 1 });
345  outlink->time_base = av_mul_q(inlink->time_base,
346  (AVRational){ 1, 2 });
347 
348  /* check that we have a hw context */
349  if (!inlink->hw_frames_ctx) {
350  av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
351  return AVERROR(EINVAL);
352  }
353 
355  if (!s->hw_frames_ctx)
356  return AVERROR(ENOMEM);
357 
358  av_buffer_unref(&outlink->hw_frames_ctx);
359  outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
360  if (!outlink->hw_frames_ctx) {
361  qsvdeint_uninit(ctx);
362  return AVERROR(ENOMEM);
363  }
364 
365  ret = init_out_session(ctx);
366  if (ret < 0)
367  return ret;
368 
369 
370  return 0;
371 }
372 
374 {
375  QSVFrame *cur = s->work_frames;
376  while (cur) {
377  if (!cur->surface.Data.Locked) {
378  av_frame_free(&cur->frame);
379  cur->used = 0;
380  }
381  cur = cur->next;
382  }
383 }
384 
386 {
387  QSVFrame *frame, **last;
388 
390 
391  frame = s->work_frames;
392  last = &s->work_frames;
393  while (frame) {
394  if (!frame->used) {
395  *f = frame;
396  return 0;
397  }
398 
399  last = &frame->next;
400  frame = frame->next;
401  }
402 
403  frame = av_mallocz(sizeof(*frame));
404  if (!frame)
405  return AVERROR(ENOMEM);
406  *last = frame;
407  *f = frame;
408 
409  return 0;
410 }
411 
413  mfxFrameSurface1 **surface)
414 {
415  QSVDeintContext *s = ctx->priv;
416  QSVFrame *qf;
417  int ret;
418 
419  ret = get_free_frame(s, &qf);
420  if (ret < 0)
421  return ret;
422 
423  qf->frame = frame;
424 
425  qf->surface = *(mfxFrameSurface1*)qf->frame->data[3];
426 
427  qf->surface.Data.Locked = 0;
428  qf->surface.Info.CropW = qf->frame->width;
429  qf->surface.Info.CropH = qf->frame->height;
430 
431  qf->surface.Info.PicStruct = !qf->frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
432  (qf->frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
433  MFX_PICSTRUCT_FIELD_BFF);
434  if (qf->frame->repeat_pict == 1) {
435  qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
436  qf->surface.Info.PicStruct |= qf->frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
437  MFX_PICSTRUCT_FIELD_BFF;
438  } else if (qf->frame->repeat_pict == 2)
439  qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
440  else if (qf->frame->repeat_pict == 4)
441  qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
442 
443  if (ctx->inputs[0]->frame_rate.num) {
444  qf->surface.Info.FrameRateExtN = ctx->inputs[0]->frame_rate.num;
445  qf->surface.Info.FrameRateExtD = ctx->inputs[0]->frame_rate.den;
446  } else {
447  qf->surface.Info.FrameRateExtN = ctx->inputs[0]->time_base.num;
448  qf->surface.Info.FrameRateExtD = ctx->inputs[0]->time_base.den;
449  }
450 
451  qf->surface.Data.TimeStamp = av_rescale_q(qf->frame->pts,
452  ctx->inputs[0]->time_base,
453  (AVRational){1, 90000});
454 
455  *surface = &qf->surface;
456  qf->used = 1;
457 
458  return 0;
459 }
460 
462  mfxFrameSurface1 *surf_in)
463 {
464  QSVDeintContext *s = ctx->priv;
465  AVFilterLink *inlink = ctx->inputs[0];
466  AVFilterLink *outlink = ctx->outputs[0];
467 
468  AVFrame *out;
469  mfxFrameSurface1 *surf_out;
470  mfxSyncPoint sync = NULL;
471  mfxStatus err;
472  int ret, again = 0;
473 
474  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
475  if (!out) {
476  ret = AVERROR(ENOMEM);
477  goto fail;
478  }
479 
480  surf_out = (mfxFrameSurface1*)out->data[3];
481  surf_out->Info.CropW = outlink->w;
482  surf_out->Info.CropH = outlink->h;
483  surf_out->Info.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
484 
485  do {
486  err = MFXVideoVPP_RunFrameVPPAsync(s->session, surf_in, surf_out,
487  NULL, &sync);
488  if (err == MFX_WRN_DEVICE_BUSY)
489  av_usleep(1);
490  } while (err == MFX_WRN_DEVICE_BUSY);
491 
492  if (err == MFX_ERR_MORE_DATA) {
493  av_frame_free(&out);
494  return QSVDEINT_MORE_INPUT;
495  }
496 
497  if (err < 0 && err != MFX_ERR_MORE_SURFACE) {
498  ret = ff_qsvvpp_print_error(ctx, err, "Error during deinterlacing");
499  goto fail;
500  }
501 
502  if (!sync) {
503  av_log(ctx, AV_LOG_ERROR, "No sync during deinterlacing\n");
505  goto fail;
506  }
507  if (err == MFX_ERR_MORE_SURFACE)
508  again = 1;
509 
510  do {
511  err = MFXVideoCORE_SyncOperation(s->session, sync, 1000);
512  } while (err == MFX_WRN_IN_EXECUTION);
513  if (err < 0) {
514  ret = ff_qsvvpp_print_error(ctx, err, "Error synchronizing the operation");
515  goto fail;
516  }
517 
519  if (ret < 0)
520  goto fail;
521 
522  out->width = outlink->w;
523  out->height = outlink->h;
524  out->interlaced_frame = 0;
525 
526  out->pts = av_rescale_q(out->pts, inlink->time_base, outlink->time_base);
527  if (out->pts == s->last_pts)
528  out->pts++;
529  s->last_pts = out->pts;
530 
531  ret = ff_filter_frame(outlink, out);
532  if (ret < 0)
533  return ret;
534 
535  return again ? QSVDEINT_MORE_OUTPUT : 0;
536 fail:
537  av_frame_free(&out);
538  return ret;
539 }
540 
542 {
543  AVFilterContext *ctx = link->dst;
544 
545  mfxFrameSurface1 *surf_in;
546  int ret;
547 
548  ret = submit_frame(ctx, in, &surf_in);
549  if (ret < 0) {
550  av_frame_free(&in);
551  return ret;
552  }
553 
554  do {
555  ret = process_frame(ctx, in, surf_in);
556  if (ret < 0)
557  return ret;
558  } while (ret == QSVDEINT_MORE_OUTPUT);
559 
560  return 0;
561 }
562 
564 {
565  AVFilterContext *ctx = outlink->src;
566 
567  return ff_request_frame(ctx->inputs[0]);
568 }
569 
570 #define OFFSET(x) offsetof(QSVDeintContext, x)
571 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
572 static const AVOption options[] = {
573  { "mode", "set deinterlace mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MFX_DEINTERLACING_ADVANCED}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
574  { "bob", "bob algorithm", 0, AV_OPT_TYPE_CONST, {.i64 = MFX_DEINTERLACING_BOB}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
575  { "advanced", "Motion adaptive algorithm", 0, AV_OPT_TYPE_CONST, {.i64 = MFX_DEINTERLACING_ADVANCED}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
576  { NULL },
577 };
578 
579 static const AVClass qsvdeint_class = {
580  .class_name = "deinterlace_qsv",
581  .item_name = av_default_item_name,
582  .option = options,
583  .version = LIBAVUTIL_VERSION_INT,
584 };
585 
586 static const AVFilterPad qsvdeint_inputs[] = {
587  {
588  .name = "default",
589  .type = AVMEDIA_TYPE_VIDEO,
590  .filter_frame = qsvdeint_filter_frame,
591  },
592  { NULL }
593 };
594 
595 static const AVFilterPad qsvdeint_outputs[] = {
596  {
597  .name = "default",
598  .type = AVMEDIA_TYPE_VIDEO,
599  .config_props = qsvdeint_config_props,
600  .request_frame = qsvdeint_request_frame,
601  },
602  { NULL }
603 };
604 
606  .name = "deinterlace_qsv",
607  .description = NULL_IF_CONFIG_SMALL("QuickSync video deinterlacing"),
608 
609  .uninit = qsvdeint_uninit,
610  .query_formats = qsvdeint_query_formats,
611 
612  .priv_size = sizeof(QSVDeintContext),
613  .priv_class = &qsvdeint_class,
614 
615  .inputs = qsvdeint_inputs,
616  .outputs = qsvdeint_outputs,
617 
618  .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
619 };
#define NULL
Definition: coverity.c:32
static av_cold void qsvdeint_uninit(AVFilterContext *ctx)
#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:339
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
mfxExtVPPDeinterlacing deint_conf
This structure describes decoded (raw) audio or video data.
Definition: frame.h:314
AVOption.
Definition: opt.h:248
static int get_free_frame(QSVDeintContext *s, QSVFrame **f)
static const AVClass qsvdeint_class
static const AVFilterPad qsvdeint_inputs[]
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
Main libavfilter public API header.
mfxHandleType handle_type
Definition: hwcontext_qsv.c:89
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
int num
Numerator.
Definition: rational.h:59
int repeat_pict
When decoding, this signals how much the picture must be delayed.
Definition: frame.h:456
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
#define FLAGS
#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR)
Definition: qsv_internal.h:59
#define FF_ARRAY_ELEMS(a)
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:237
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 qsvdeint_request_frame(AVFilterLink *outlink)
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:287
static int qsvdeint_query_formats(AVFilterContext *ctx)
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:349
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1093
#define OFFSET(x)
#define av_cold
Definition: attributes.h:88
AVOptions.
#define f(width, name)
Definition: cbs_vp9.c:255
static int process_frame(AVFilterContext *ctx, const AVFrame *in, mfxFrameSurface1 *surf_in)
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:407
static int qsvdeint_config_props(AVFilterLink *outlink)
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:92
static int qsvdeint_filter_frame(AVFilterLink *link, AVFrame *in)
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:461
static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
int ff_qsvvpp_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsvvpp.c:173
#define av_log(a,...)
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
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
int width
Definition: frame.h:372
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
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:588
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:115
void * priv
private data for use by the filter
Definition: avfilter.h:356
int ff_qsvvpp_print_iopattern(void *log_ctx, int mfx_iopattern, const char *extra_string)
Definition: qsvvpp.c:91
AVFilter ff_vf_deinterlace_qsv
static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
#define fail()
Definition: checkasm.h:133
common internal API header
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:149
AVFormatContext * ctx
Definition: movenc.c:48
#define s(width, name)
Definition: cbs_vp9.c:257
AVBufferRef * hw_frames_ctx
mfxFrameSurface1 surface
Definition: qsv_internal.h:74
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
static const mfxHandleType handle_types[]
if(ret)
static void clear_unused_frames(QSVDeintContext *s)
static const AVOption options[]
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining again
uint8_t * data
The data buffer.
Definition: buffer.h:89
struct QSVFrame * next
Definition: qsv_internal.h:82
static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameAllocResponse *resp)
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:162
static int submit_frame(AVFilterContext *ctx, AVFrame *frame, mfxFrameSurface1 **surface)
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
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)\n", 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:145
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:124
static const AVFilterPad qsvdeint_outputs[]
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:149
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a link
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:353
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:303
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:328
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
mfxFrameSurface1 ** surface_ptrs
QSVFrame * work_frames
A reference to a data buffer.
Definition: buffer.h:81
common internal and external API header
int ff_qsvvpp_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsvvpp.c:163
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
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:466
mfxExtOpaqueSurfaceAlloc opaque_alloc
mfxExtBuffer * ext_buffers[2]
A list of supported formats for one end of a filter link.
Definition: formats.h:65
An instance of a filter.
Definition: avfilter.h:341
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:372
FILE * out
Definition: movenc.c:54
#define av_freep(p)
An API-specific header for AV_HWDEVICE_TYPE_QSV.
AVFrame * frame
Definition: qsv_internal.h:73
int ff_request_frame(AVFilterLink *link)
Request an input frame from the filter at the other end of the link.
Definition: avfilter.c:407
internal API functions
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later.That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another.Frame references ownership and permissions
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
static int init_out_session(AVFilterContext *ctx)
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:658
int i
Definition: input.c:407
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:190