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 != MFX_ERR_NONE) {
206  av_log(ctx, AV_LOG_ERROR, "Error getting the session handle\n");
207  return AVERROR_UNKNOWN;
208  }
209 
210  /* create a "slave" session with those same properties, to be used for
211  * actual deinterlacing */
212  err = MFXInit(impl, &ver, &s->session);
213  if (err != MFX_ERR_NONE) {
214  av_log(ctx, AV_LOG_ERROR, "Error initializing a session for deinterlacing\n");
215  return AVERROR_UNKNOWN;
216  }
217 
218  if (handle) {
219  err = MFXVideoCORE_SetHandle(s->session, handle_type, handle);
220  if (err != MFX_ERR_NONE)
221  return AVERROR_UNKNOWN;
222  }
223 
224  if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
225  err = MFXJoinSession(device_hwctx->session, s->session);
226  if (err != MFX_ERR_NONE)
227  return AVERROR_UNKNOWN;
228  }
229 
230  memset(&par, 0, sizeof(par));
231 
232  s->deint_conf.Header.BufferId = MFX_EXTBUFF_VPP_DEINTERLACING;
233  s->deint_conf.Header.BufferSz = sizeof(s->deint_conf);
234  s->deint_conf.Mode = s->mode;
235 
236  s->ext_buffers[s->num_ext_buffers++] = (mfxExtBuffer *)&s->deint_conf;
237 
238  if (opaque) {
239  s->surface_ptrs = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
240  sizeof(*s->surface_ptrs));
241  if (!s->surface_ptrs)
242  return AVERROR(ENOMEM);
243  for (i = 0; i < hw_frames_hwctx->nb_surfaces; i++)
244  s->surface_ptrs[i] = hw_frames_hwctx->surfaces + i;
245  s->nb_surface_ptrs = hw_frames_hwctx->nb_surfaces;
246 
247  s->opaque_alloc.In.Surfaces = s->surface_ptrs;
248  s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs;
249  s->opaque_alloc.In.Type = hw_frames_hwctx->frame_type;
250 
251  s->opaque_alloc.Out = s->opaque_alloc.In;
252 
253  s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
254  s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
255 
256  s->ext_buffers[s->num_ext_buffers++] = (mfxExtBuffer *)&s->opaque_alloc;
257 
258  par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY | MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
259  } else {
260  mfxFrameAllocator frame_allocator = {
261  .pthis = ctx,
262  .Alloc = frame_alloc,
263  .Lock = frame_lock,
264  .Unlock = frame_unlock,
265  .GetHDL = frame_get_hdl,
266  .Free = frame_free,
267  };
268 
269  s->mem_ids = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
270  sizeof(*s->mem_ids));
271  if (!s->mem_ids)
272  return AVERROR(ENOMEM);
273  for (i = 0; i < hw_frames_hwctx->nb_surfaces; i++)
274  s->mem_ids[i] = hw_frames_hwctx->surfaces[i].Data.MemId;
275  s->nb_mem_ids = hw_frames_hwctx->nb_surfaces;
276 
277  err = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator);
278  if (err != MFX_ERR_NONE)
279  return AVERROR_UNKNOWN;
280 
281  par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
282  }
283 
284  par.ExtParam = s->ext_buffers;
285  par.NumExtParam = s->num_ext_buffers;
286 
287  par.AsyncDepth = 1; // TODO async
288 
289  par.vpp.In = hw_frames_hwctx->surfaces[0].Info;
290 
291  par.vpp.In.CropW = ctx->inputs[0]->w;
292  par.vpp.In.CropH = ctx->inputs[0]->h;
293 
294  if (ctx->inputs[0]->frame_rate.num) {
295  par.vpp.In.FrameRateExtN = ctx->inputs[0]->frame_rate.num;
296  par.vpp.In.FrameRateExtD = ctx->inputs[0]->frame_rate.den;
297  } else {
298  par.vpp.In.FrameRateExtN = ctx->inputs[0]->time_base.num;
299  par.vpp.In.FrameRateExtD = ctx->inputs[0]->time_base.den;
300  }
301 
302  par.vpp.Out = par.vpp.In;
303 
304  if (ctx->outputs[0]->frame_rate.num) {
305  par.vpp.Out.FrameRateExtN = ctx->outputs[0]->frame_rate.num;
306  par.vpp.Out.FrameRateExtD = ctx->outputs[0]->frame_rate.den;
307  } else {
308  par.vpp.Out.FrameRateExtN = ctx->outputs[0]->time_base.num;
309  par.vpp.Out.FrameRateExtD = ctx->outputs[0]->time_base.den;
310  }
311 
312  err = MFXVideoVPP_Init(s->session, &par);
313  if (err != MFX_ERR_NONE) {
314  av_log(ctx, AV_LOG_ERROR, "Error opening the VPP for deinterlacing: %d\n", err);
315  return AVERROR_UNKNOWN;
316  }
317 
318  return 0;
319 }
320 
322 {
323  AVFilterContext *ctx = outlink->src;
324  AVFilterLink *inlink = ctx->inputs[0];
325  QSVDeintContext *s = ctx->priv;
326  int ret;
327 
328  qsvdeint_uninit(ctx);
329 
331  outlink->frame_rate = av_mul_q(inlink->frame_rate,
332  (AVRational){ 2, 1 });
333  outlink->time_base = av_mul_q(inlink->time_base,
334  (AVRational){ 1, 2 });
335 
336  /* check that we have a hw context */
337  if (!inlink->hw_frames_ctx) {
338  av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
339  return AVERROR(EINVAL);
340  }
341 
343  if (!s->hw_frames_ctx)
344  return AVERROR(ENOMEM);
345 
346  av_buffer_unref(&outlink->hw_frames_ctx);
347  outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
348  if (!outlink->hw_frames_ctx) {
349  qsvdeint_uninit(ctx);
350  return AVERROR(ENOMEM);
351  }
352 
353  ret = init_out_session(ctx);
354  if (ret < 0)
355  return ret;
356 
357 
358  return 0;
359 }
360 
362 {
363  QSVFrame *cur = s->work_frames;
364  while (cur) {
365  if (!cur->surface.Data.Locked) {
366  av_frame_free(&cur->frame);
367  cur->used = 0;
368  }
369  cur = cur->next;
370  }
371 }
372 
374 {
375  QSVFrame *frame, **last;
376 
378 
379  frame = s->work_frames;
380  last = &s->work_frames;
381  while (frame) {
382  if (!frame->used) {
383  *f = frame;
384  return 0;
385  }
386 
387  last = &frame->next;
388  frame = frame->next;
389  }
390 
391  frame = av_mallocz(sizeof(*frame));
392  if (!frame)
393  return AVERROR(ENOMEM);
394  *last = frame;
395  *f = frame;
396 
397  return 0;
398 }
399 
401  mfxFrameSurface1 **surface)
402 {
403  QSVDeintContext *s = ctx->priv;
404  QSVFrame *qf;
405  int ret;
406 
407  ret = get_free_frame(s, &qf);
408  if (ret < 0)
409  return ret;
410 
411  qf->frame = frame;
412 
413  qf->surface = *(mfxFrameSurface1*)qf->frame->data[3];
414 
415  qf->surface.Data.Locked = 0;
416  qf->surface.Info.CropW = qf->frame->width;
417  qf->surface.Info.CropH = qf->frame->height;
418 
419  qf->surface.Info.PicStruct = !qf->frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
420  (qf->frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
421  MFX_PICSTRUCT_FIELD_BFF);
422  if (qf->frame->repeat_pict == 1) {
423  qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
424  qf->surface.Info.PicStruct |= qf->frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
425  MFX_PICSTRUCT_FIELD_BFF;
426  } else if (qf->frame->repeat_pict == 2)
427  qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
428  else if (qf->frame->repeat_pict == 4)
429  qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
430 
431  if (ctx->inputs[0]->frame_rate.num) {
432  qf->surface.Info.FrameRateExtN = ctx->inputs[0]->frame_rate.num;
433  qf->surface.Info.FrameRateExtD = ctx->inputs[0]->frame_rate.den;
434  } else {
435  qf->surface.Info.FrameRateExtN = ctx->inputs[0]->time_base.num;
436  qf->surface.Info.FrameRateExtD = ctx->inputs[0]->time_base.den;
437  }
438 
439  qf->surface.Data.TimeStamp = av_rescale_q(qf->frame->pts,
440  ctx->inputs[0]->time_base,
441  (AVRational){1, 90000});
442 
443  *surface = &qf->surface;
444  qf->used = 1;
445 
446  return 0;
447 }
448 
450  mfxFrameSurface1 *surf_in)
451 {
452  QSVDeintContext *s = ctx->priv;
453  AVFilterLink *inlink = ctx->inputs[0];
454  AVFilterLink *outlink = ctx->outputs[0];
455 
456  AVFrame *out;
457  mfxFrameSurface1 *surf_out;
458  mfxSyncPoint sync = NULL;
459  mfxStatus err;
460  int ret, again = 0;
461 
462  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
463  if (!out) {
464  ret = AVERROR(ENOMEM);
465  goto fail;
466  }
467 
468  surf_out = (mfxFrameSurface1*)out->data[3];
469  surf_out->Info.CropW = outlink->w;
470  surf_out->Info.CropH = outlink->h;
471  surf_out->Info.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
472 
473  do {
474  err = MFXVideoVPP_RunFrameVPPAsync(s->session, surf_in, surf_out,
475  NULL, &sync);
476  if (err == MFX_WRN_DEVICE_BUSY)
477  av_usleep(1);
478  } while (err == MFX_WRN_DEVICE_BUSY);
479 
480  if (err == MFX_ERR_MORE_DATA) {
481  av_frame_free(&out);
482  return QSVDEINT_MORE_INPUT;
483  }
484 
485  if ((err < 0 && err != MFX_ERR_MORE_SURFACE) || !sync) {
486  av_log(ctx, AV_LOG_ERROR, "Error during deinterlacing: %d\n", err);
488  goto fail;
489  }
490  if (err == MFX_ERR_MORE_SURFACE)
491  again = 1;
492 
493  do {
494  err = MFXVideoCORE_SyncOperation(s->session, sync, 1000);
495  } while (err == MFX_WRN_IN_EXECUTION);
496  if (err < 0) {
497  av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation: %d\n", err);
499  goto fail;
500  }
501 
503  if (ret < 0)
504  goto fail;
505 
506  out->width = outlink->w;
507  out->height = outlink->h;
508  out->interlaced_frame = 0;
509 
510  out->pts = av_rescale_q(out->pts, inlink->time_base, outlink->time_base);
511  if (out->pts == s->last_pts)
512  out->pts++;
513  s->last_pts = out->pts;
514 
515  ret = ff_filter_frame(outlink, out);
516  if (ret < 0)
517  return ret;
518 
519  return again ? QSVDEINT_MORE_OUTPUT : 0;
520 fail:
521  av_frame_free(&out);
522  return ret;
523 }
524 
526 {
527  AVFilterContext *ctx = link->dst;
528 
529  mfxFrameSurface1 *surf_in;
530  int ret;
531 
532  ret = submit_frame(ctx, in, &surf_in);
533  if (ret < 0) {
534  av_frame_free(&in);
535  return ret;
536  }
537 
538  do {
539  ret = process_frame(ctx, in, surf_in);
540  if (ret < 0)
541  return ret;
542  } while (ret == QSVDEINT_MORE_OUTPUT);
543 
544  return 0;
545 }
546 
548 {
549  AVFilterContext *ctx = outlink->src;
550 
551  return ff_request_frame(ctx->inputs[0]);
552 }
553 
554 #define OFFSET(x) offsetof(QSVDeintContext, x)
555 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
556 static const AVOption options[] = {
557  { "mode", "set deinterlace mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MFX_DEINTERLACING_ADVANCED}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
558  { "bob", "bob algorithm", 0, AV_OPT_TYPE_CONST, {.i64 = MFX_DEINTERLACING_BOB}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
559  { "advanced", "Motion adaptive algorithm", 0, AV_OPT_TYPE_CONST, {.i64 = MFX_DEINTERLACING_ADVANCED}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
560  { NULL },
561 };
562 
563 static const AVClass qsvdeint_class = {
564  .class_name = "deinterlace_qsv",
565  .item_name = av_default_item_name,
566  .option = options,
567  .version = LIBAVUTIL_VERSION_INT,
568 };
569 
570 static const AVFilterPad qsvdeint_inputs[] = {
571  {
572  .name = "default",
573  .type = AVMEDIA_TYPE_VIDEO,
574  .filter_frame = qsvdeint_filter_frame,
575  },
576  { NULL }
577 };
578 
579 static const AVFilterPad qsvdeint_outputs[] = {
580  {
581  .name = "default",
582  .type = AVMEDIA_TYPE_VIDEO,
583  .config_props = qsvdeint_config_props,
584  .request_frame = qsvdeint_request_frame,
585  },
586  { NULL }
587 };
588 
590  .name = "deinterlace_qsv",
591  .description = NULL_IF_CONFIG_SMALL("QuickSync video deinterlacing"),
592 
593  .uninit = qsvdeint_uninit,
594  .query_formats = qsvdeint_query_formats,
595 
596  .priv_size = sizeof(QSVDeintContext),
597  .priv_class = &qsvdeint_class,
598 
599  .inputs = qsvdeint_inputs,
600  .outputs = qsvdeint_outputs,
601 
602  .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
603 };
#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:385
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:295
AVOption.
Definition: opt.h:246
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:85
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:437
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
#define FLAGS
#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR)
Definition: qsv_internal.h:57
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
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:283
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:346
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:82
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:388
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:91
static int qsvdeint_filter_frame(AVFilterLink *link, AVFrame *in)
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:442
static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
#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
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
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:569
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
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:186
void * priv
private data for use by the filter
Definition: avfilter.h:353
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:122
common internal API header
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:148
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:72
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define FF_ARRAY_ELEMS(a)
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:80
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:161
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: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
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:148
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:350
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
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
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:447
mfxExtOpaqueSurfaceAlloc opaque_alloc
mfxExtBuffer * ext_buffers[2]
A list of supported formats for one end of a filter link.
Definition: formats.h:64
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)
An API-specific header for AV_HWDEVICE_TYPE_QSV.
AVFrame * frame
Definition: qsv_internal.h:71
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:654
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191