FFmpeg  4.4.5
vf_scale_npp.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
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8  *
9  * FFmpeg is distributed in the hope that it will be useful,
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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
22  */
23 
24 #include <nppi.h>
25 #include <stdio.h>
26 #include <string.h>
27 
28 #include "libavutil/avstring.h"
29 #include "libavutil/common.h"
30 #include "libavutil/hwcontext.h"
32 #include "libavutil/cuda_check.h"
33 #include "libavutil/internal.h"
34 #include "libavutil/opt.h"
35 #include "libavutil/pixdesc.h"
36 
37 #include "avfilter.h"
38 #include "formats.h"
39 #include "internal.h"
40 #include "scale_eval.h"
41 #include "video.h"
42 
43 #define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)
44 
45 static const enum AVPixelFormat supported_formats[] = {
49 };
50 
51 static const enum AVPixelFormat deinterleaved_formats[][2] = {
53 };
54 
55 enum ScaleStage {
60 };
61 
62 typedef struct NPPScaleStageContext {
64  enum AVPixelFormat in_fmt;
66 
67  struct {
68  int width;
69  int height;
71 
75 
76 typedef struct NPPScaleContext {
77  const AVClass *class;
78 
82 
84 
85  /**
86  * New dimensions. Special values are:
87  * 0 = original width/height
88  * -1 = keep original aspect
89  */
90  int w, h;
91 
92  /**
93  * Output sw format. AV_PIX_FMT_NONE for no conversion.
94  */
95  enum AVPixelFormat format;
96 
97  char *w_expr; ///< width expression string
98  char *h_expr; ///< height expression string
99  char *format_str;
100 
103 
106 
108 {
109  NPPScaleContext *s = ctx->priv;
110  int i;
111 
112  if (!strcmp(s->format_str, "same")) {
113  s->format = AV_PIX_FMT_NONE;
114  } else {
115  s->format = av_get_pix_fmt(s->format_str);
116  if (s->format == AV_PIX_FMT_NONE) {
117  av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", s->format_str);
118  return AVERROR(EINVAL);
119  }
120  }
121 
122  for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
123  s->stages[i].frame = av_frame_alloc();
124  if (!s->stages[i].frame)
125  return AVERROR(ENOMEM);
126  }
127  s->tmp_frame = av_frame_alloc();
128  if (!s->tmp_frame)
129  return AVERROR(ENOMEM);
130 
131  return 0;
132 }
133 
135 {
136  NPPScaleContext *s = ctx->priv;
137  int i;
138 
139  for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
140  av_frame_free(&s->stages[i].frame);
141  av_buffer_unref(&s->stages[i].frames_ctx);
142  }
143  av_frame_free(&s->tmp_frame);
144 }
145 
147 {
148  static const enum AVPixelFormat pixel_formats[] = {
150  };
151  AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats);
152 
154 }
155 
156 static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx)
157 {
158  AVBufferRef *out_ref = NULL;
159  AVHWFramesContext *out_ctx;
160  int in_sw, in_sh, out_sw, out_sh;
161  int ret, i;
162 
163  av_pix_fmt_get_chroma_sub_sample(stage->in_fmt, &in_sw, &in_sh);
164  av_pix_fmt_get_chroma_sub_sample(stage->out_fmt, &out_sw, &out_sh);
165  if (!stage->planes_out[0].width) {
166  stage->planes_out[0].width = stage->planes_in[0].width;
167  stage->planes_out[0].height = stage->planes_in[0].height;
168  }
169 
170  for (i = 1; i < FF_ARRAY_ELEMS(stage->planes_in); i++) {
171  stage->planes_in[i].width = stage->planes_in[0].width >> in_sw;
172  stage->planes_in[i].height = stage->planes_in[0].height >> in_sh;
173  stage->planes_out[i].width = stage->planes_out[0].width >> out_sw;
174  stage->planes_out[i].height = stage->planes_out[0].height >> out_sh;
175  }
176 
177  out_ref = av_hwframe_ctx_alloc(device_ctx);
178  if (!out_ref)
179  return AVERROR(ENOMEM);
180  out_ctx = (AVHWFramesContext*)out_ref->data;
181 
182  out_ctx->format = AV_PIX_FMT_CUDA;
183  out_ctx->sw_format = stage->out_fmt;
184  out_ctx->width = FFALIGN(stage->planes_out[0].width, 32);
185  out_ctx->height = FFALIGN(stage->planes_out[0].height, 32);
186 
187  ret = av_hwframe_ctx_init(out_ref);
188  if (ret < 0)
189  goto fail;
190 
191  av_frame_unref(stage->frame);
192  ret = av_hwframe_get_buffer(out_ref, stage->frame, 0);
193  if (ret < 0)
194  goto fail;
195 
196  stage->frame->width = stage->planes_out[0].width;
197  stage->frame->height = stage->planes_out[0].height;
198 
199  av_buffer_unref(&stage->frames_ctx);
200  stage->frames_ctx = out_ref;
201 
202  return 0;
203 fail:
204  av_buffer_unref(&out_ref);
205  return ret;
206 }
207 
208 static int format_is_supported(enum AVPixelFormat fmt)
209 {
210  int i;
211 
212  for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++)
213  if (supported_formats[i] == fmt)
214  return 1;
215  return 0;
216 }
217 
219 {
221  int i, planes;
222 
224  if (planes == desc->nb_components)
225  return fmt;
226  for (i = 0; i < FF_ARRAY_ELEMS(deinterleaved_formats); i++)
227  if (deinterleaved_formats[i][0] == fmt)
228  return deinterleaved_formats[i][1];
229  return AV_PIX_FMT_NONE;
230 }
231 
232 static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height,
233  int out_width, int out_height)
234 {
235  NPPScaleContext *s = ctx->priv;
236 
237  AVHWFramesContext *in_frames_ctx;
238 
239  enum AVPixelFormat in_format;
240  enum AVPixelFormat out_format;
241  enum AVPixelFormat in_deinterleaved_format;
242  enum AVPixelFormat out_deinterleaved_format;
243 
244  int i, ret, last_stage = -1;
245 
246  /* check that we have a hw context */
247  if (!ctx->inputs[0]->hw_frames_ctx) {
248  av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
249  return AVERROR(EINVAL);
250  }
251  in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
252  in_format = in_frames_ctx->sw_format;
253  out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format;
254 
255  if (!format_is_supported(in_format)) {
256  av_log(ctx, AV_LOG_ERROR, "Unsupported input format: %s\n",
257  av_get_pix_fmt_name(in_format));
258  return AVERROR(ENOSYS);
259  }
260  if (!format_is_supported(out_format)) {
261  av_log(ctx, AV_LOG_ERROR, "Unsupported output format: %s\n",
262  av_get_pix_fmt_name(out_format));
263  return AVERROR(ENOSYS);
264  }
265 
266  in_deinterleaved_format = get_deinterleaved_format(in_format);
267  out_deinterleaved_format = get_deinterleaved_format(out_format);
268  if (in_deinterleaved_format == AV_PIX_FMT_NONE ||
269  out_deinterleaved_format == AV_PIX_FMT_NONE)
270  return AVERROR_BUG;
271 
272  /* figure out which stages need to be done */
273  if (in_width != out_width || in_height != out_height ||
274  in_deinterleaved_format != out_deinterleaved_format) {
275  s->stages[STAGE_RESIZE].stage_needed = 1;
276 
277  if (s->interp_algo == NPPI_INTER_SUPER &&
278  (out_width > in_width && out_height > in_height)) {
279  s->interp_algo = NPPI_INTER_LANCZOS;
280  av_log(ctx, AV_LOG_WARNING, "super-sampling not supported for output dimensions, using lanczos instead.\n");
281  }
282  if (s->interp_algo == NPPI_INTER_SUPER &&
283  !(out_width < in_width && out_height < in_height)) {
284  s->interp_algo = NPPI_INTER_CUBIC;
285  av_log(ctx, AV_LOG_WARNING, "super-sampling not supported for output dimensions, using cubic instead.\n");
286  }
287  }
288 
289  if (!s->stages[STAGE_RESIZE].stage_needed && in_format == out_format)
290  s->passthrough = 1;
291 
292  if (!s->passthrough) {
293  if (in_format != in_deinterleaved_format)
294  s->stages[STAGE_DEINTERLEAVE].stage_needed = 1;
295  if (out_format != out_deinterleaved_format)
296  s->stages[STAGE_INTERLEAVE].stage_needed = 1;
297  }
298 
299  s->stages[STAGE_DEINTERLEAVE].in_fmt = in_format;
300  s->stages[STAGE_DEINTERLEAVE].out_fmt = in_deinterleaved_format;
301  s->stages[STAGE_DEINTERLEAVE].planes_in[0].width = in_width;
302  s->stages[STAGE_DEINTERLEAVE].planes_in[0].height = in_height;
303 
304  s->stages[STAGE_RESIZE].in_fmt = in_deinterleaved_format;
305  s->stages[STAGE_RESIZE].out_fmt = out_deinterleaved_format;
306  s->stages[STAGE_RESIZE].planes_in[0].width = in_width;
307  s->stages[STAGE_RESIZE].planes_in[0].height = in_height;
308  s->stages[STAGE_RESIZE].planes_out[0].width = out_width;
309  s->stages[STAGE_RESIZE].planes_out[0].height = out_height;
310 
311  s->stages[STAGE_INTERLEAVE].in_fmt = out_deinterleaved_format;
312  s->stages[STAGE_INTERLEAVE].out_fmt = out_format;
313  s->stages[STAGE_INTERLEAVE].planes_in[0].width = out_width;
314  s->stages[STAGE_INTERLEAVE].planes_in[0].height = out_height;
315 
316  /* init the hardware contexts */
317  for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
318  if (!s->stages[i].stage_needed)
319  continue;
320 
321  ret = init_stage(&s->stages[i], in_frames_ctx->device_ref);
322  if (ret < 0)
323  return ret;
324 
325  last_stage = i;
326  }
327 
328  if (last_stage >= 0)
329  ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx);
330  else
331  ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(ctx->inputs[0]->hw_frames_ctx);
332 
333  if (!ctx->outputs[0]->hw_frames_ctx)
334  return AVERROR(ENOMEM);
335 
336  return 0;
337 }
338 
340 {
341  AVFilterContext *ctx = outlink->src;
342  AVFilterLink *inlink = outlink->src->inputs[0];
343  NPPScaleContext *s = ctx->priv;
344  int w, h;
345  int ret;
346 
347  if ((ret = ff_scale_eval_dimensions(s,
348  s->w_expr, s->h_expr,
349  inlink, outlink,
350  &w, &h)) < 0)
351  goto fail;
352 
353  ff_scale_adjust_dimensions(inlink, &w, &h,
354  s->force_original_aspect_ratio, s->force_divisible_by);
355 
356  if (((int64_t)h * inlink->w) > INT_MAX ||
357  ((int64_t)w * inlink->h) > INT_MAX)
358  av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
359 
360  outlink->w = w;
361  outlink->h = h;
362 
363  ret = init_processing_chain(ctx, inlink->w, inlink->h, w, h);
364  if (ret < 0)
365  return ret;
366 
367  av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
368  inlink->w, inlink->h, outlink->w, outlink->h);
369 
370  if (inlink->sample_aspect_ratio.num)
371  outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w,
372  outlink->w*inlink->h},
373  inlink->sample_aspect_ratio);
374  else
375  outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
376 
377  return 0;
378 
379 fail:
380  return ret;
381 }
382 
384  AVFrame *out, AVFrame *in)
385 {
386  AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)in->hw_frames_ctx->data;
387  NppStatus err;
388 
389  switch (in_frames_ctx->sw_format) {
390  case AV_PIX_FMT_NV12:
391  err = nppiYCbCr420_8u_P2P3R(in->data[0], in->linesize[0],
392  in->data[1], in->linesize[1],
393  out->data, out->linesize,
394  (NppiSize){ in->width, in->height });
395  break;
396  default:
397  return AVERROR_BUG;
398  }
399  if (err != NPP_SUCCESS) {
400  av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err);
401  return AVERROR_UNKNOWN;
402  }
403 
404  return 0;
405 }
406 
408  AVFrame *out, AVFrame *in)
409 {
410  NPPScaleContext *s = ctx->priv;
411  NppStatus err;
412  int i;
413 
414  for (i = 0; i < FF_ARRAY_ELEMS(stage->planes_in) && i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
415  int iw = stage->planes_in[i].width;
416  int ih = stage->planes_in[i].height;
417  int ow = stage->planes_out[i].width;
418  int oh = stage->planes_out[i].height;
419 
420  err = nppiResizeSqrPixel_8u_C1R(in->data[i], (NppiSize){ iw, ih },
421  in->linesize[i], (NppiRect){ 0, 0, iw, ih },
422  out->data[i], out->linesize[i],
423  (NppiRect){ 0, 0, ow, oh },
424  (double)ow / iw, (double)oh / ih,
425  0.0, 0.0, s->interp_algo);
426  if (err != NPP_SUCCESS) {
427  av_log(ctx, AV_LOG_ERROR, "NPP resize error: %d\n", err);
428  return AVERROR_UNKNOWN;
429  }
430  }
431 
432  return 0;
433 }
434 
436  AVFrame *out, AVFrame *in)
437 {
438  AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)out->hw_frames_ctx->data;
439  NppStatus err;
440 
441  switch (out_frames_ctx->sw_format) {
442  case AV_PIX_FMT_NV12:
443  err = nppiYCbCr420_8u_P3P2R((const uint8_t**)in->data,
444  in->linesize,
445  out->data[0], out->linesize[0],
446  out->data[1], out->linesize[1],
447  (NppiSize){ in->width, in->height });
448  break;
449  default:
450  return AVERROR_BUG;
451  }
452  if (err != NPP_SUCCESS) {
453  av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err);
454  return AVERROR_UNKNOWN;
455  }
456 
457  return 0;
458 }
459 
461  AVFrame *out, AVFrame *in) = {
465 };
466 
468 {
469  NPPScaleContext *s = ctx->priv;
470  AVFrame *src = in;
471  int i, ret, last_stage = -1;
472 
473  for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
474  if (!s->stages[i].stage_needed)
475  continue;
476 
477  ret = nppscale_process[i](ctx, &s->stages[i], s->stages[i].frame, src);
478  if (ret < 0)
479  return ret;
480 
481  src = s->stages[i].frame;
482  last_stage = i;
483  }
484  if (last_stage < 0)
485  return AVERROR_BUG;
486 
487  ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0);
488  if (ret < 0)
489  return ret;
490 
491  s->tmp_frame->width = src->width;
492  s->tmp_frame->height = src->height;
493 
495  av_frame_move_ref(src, s->tmp_frame);
496 
497  ret = av_frame_copy_props(out, in);
498  if (ret < 0)
499  return ret;
500 
501  return 0;
502 }
503 
505 {
506  AVFilterContext *ctx = link->dst;
507  NPPScaleContext *s = ctx->priv;
508  AVFilterLink *outlink = ctx->outputs[0];
509  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data;
510  AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
511 
512  AVFrame *out = NULL;
513  CUcontext dummy;
514  int ret = 0;
515 
516  if (s->passthrough)
517  return ff_filter_frame(outlink, in);
518 
519  out = av_frame_alloc();
520  if (!out) {
521  ret = AVERROR(ENOMEM);
522  goto fail;
523  }
524 
525  ret = CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPushCurrent(device_hwctx->cuda_ctx));
526  if (ret < 0)
527  goto fail;
528 
529  ret = nppscale_scale(ctx, out, in);
530 
531  CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPopCurrent(&dummy));
532  if (ret < 0)
533  goto fail;
534 
535  av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
536  (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
537  (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
538  INT_MAX);
539 
540  av_frame_free(&in);
541  return ff_filter_frame(outlink, out);
542 fail:
543  av_frame_free(&in);
544  av_frame_free(&out);
545  return ret;
546 }
547 
548 #define OFFSET(x) offsetof(NPPScaleContext, x)
549 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
550 static const AVOption options[] = {
551  { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
552  { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
553  { "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
554 
555  { "interp_algo", "Interpolation algorithm used for resizing", OFFSET(interp_algo), AV_OPT_TYPE_INT, { .i64 = NPPI_INTER_CUBIC }, 0, INT_MAX, FLAGS, "interp_algo" },
556  { "nn", "nearest neighbour", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_NN }, 0, 0, FLAGS, "interp_algo" },
557  { "linear", "linear", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LINEAR }, 0, 0, FLAGS, "interp_algo" },
558  { "cubic", "cubic", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC }, 0, 0, FLAGS, "interp_algo" },
559  { "cubic2p_bspline", "2-parameter cubic (B=1, C=0)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_BSPLINE }, 0, 0, FLAGS, "interp_algo" },
560  { "cubic2p_catmullrom", "2-parameter cubic (B=0, C=1/2)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_CATMULLROM }, 0, 0, FLAGS, "interp_algo" },
561  { "cubic2p_b05c03", "2-parameter cubic (B=1/2, C=3/10)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0, FLAGS, "interp_algo" },
562  { "super", "supersampling", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0, FLAGS, "interp_algo" },
563  { "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0, FLAGS, "interp_algo" },
564  { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2, FLAGS, "force_oar" },
565  { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, "force_oar" },
566  { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, "force_oar" },
567  { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, "force_oar" },
568  { "force_divisible_by", "enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used", OFFSET(force_divisible_by), AV_OPT_TYPE_INT, { .i64 = 1}, 1, 256, FLAGS },
569  { NULL },
570 };
571 
572 static const AVClass nppscale_class = {
573  .class_name = "nppscale",
574  .item_name = av_default_item_name,
575  .option = options,
576  .version = LIBAVUTIL_VERSION_INT,
577 };
578 
579 static const AVFilterPad nppscale_inputs[] = {
580  {
581  .name = "default",
582  .type = AVMEDIA_TYPE_VIDEO,
583  .filter_frame = nppscale_filter_frame,
584  },
585  { NULL }
586 };
587 
588 static const AVFilterPad nppscale_outputs[] = {
589  {
590  .name = "default",
591  .type = AVMEDIA_TYPE_VIDEO,
592  .config_props = nppscale_config_props,
593  },
594  { NULL }
595 };
596 
598  .name = "scale_npp",
599  .description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
600  "scaling and format conversion"),
601 
602  .init = nppscale_init,
603  .uninit = nppscale_uninit,
604  .query_formats = nppscale_query_formats,
605 
606  .priv_size = sizeof(NPPScaleContext),
607  .priv_class = &nppscale_class,
608 
611 
612  .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
613 };
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
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
uint8_t
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1096
Main libavfilter public API header.
#define s(width, name)
Definition: cbs_vp9.c:257
#define fail()
Definition: checkasm.h:133
common internal and external API header
#define NULL
Definition: coverity.c:32
long long int64_t
Definition: coverity.c:34
int
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:587
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_STRING
Definition: opt.h:229
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
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#define AVERROR(e)
Definition: error.h:43
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:553
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
Move everything contained in src to dst and reset src.
Definition: frame.c:582
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:658
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:190
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:210
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
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
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:333
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
Definition: hwcontext.c:247
int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags)
Allocate a new frame attached to the given AVHWFramesContext.
Definition: hwcontext.c:502
FFmpeg internal API for CUDA.
int i
Definition: input.c:407
#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
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
const char * desc
Definition: libsvtav1.c:79
uint8_t w
Definition: llviddspenc.c:39
static const struct @322 planes[]
#define FFALIGN(x, a)
Definition: macros.h:48
int dummy
Definition: motion.c:64
AVOptions.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2613
int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
Utility function to access log2_chroma_w log2_chroma_h from the pixel format AVPixFmtDescriptor.
Definition: pixdesc.c:2601
enum AVPixelFormat av_get_pix_fmt(const char *name)
Return the pixel format corresponding to name.
Definition: pixdesc.c:2501
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2489
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_CUDA
HW acceleration through CUDA.
Definition: pixfmt.h:235
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
int ff_scale_adjust_dimensions(AVFilterLink *inlink, int *ret_w, int *ret_h, int force_original_aspect_ratio, int force_divisible_by)
Transform evaluated width and height obtained from ff_scale_eval_dimensions into actual target width ...
Definition: scale_eval.c:113
int ff_scale_eval_dimensions(void *log_ctx, const char *w_expr, const char *h_expr, AVFilterLink *inlink, AVFilterLink *outlink, int *ret_w, int *ret_h)
Parse and evaluate string expressions for width and height.
Definition: scale_eval.c:57
#define FF_ARRAY_ELEMS(a)
A reference to a data buffer.
Definition: buffer.h:84
uint8_t * data
The data buffer.
Definition: buffer.h:92
This struct is allocated as AVHWDeviceContext.hwctx.
Describe the class of an AVClass context structure.
Definition: log.h:67
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
An instance of a filter.
Definition: avfilter.h:341
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:349
A list of supported formats for one end of a filter link.
Definition: formats.h:65
A filter pad used for either input or output.
Definition: internal.h:54
const char * name
Pad name.
Definition: internal.h:60
Filter definition.
Definition: avfilter.h:145
const char * name
Filter name.
Definition: avfilter.h:149
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
int width
Definition: frame.h:376
int height
Definition: frame.h:376
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:92
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:124
enum AVPixelFormat format
The pixel format identifying the underlying HW surface type.
Definition: hwcontext.h:209
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:141
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:222
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:229
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:149
AVOption.
Definition: opt.h:248
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int num
Numerator.
Definition: rational.h:59
int force_original_aspect_ratio
Definition: vf_scale_npp.c:101
NPPScaleStageContext stages[STAGE_NB]
Definition: vf_scale_npp.c:79
char * w_expr
width expression string
Definition: vf_scale_npp.c:97
AVFrame * tmp_frame
Definition: vf_scale_npp.c:80
enum AVPixelFormat format
Output sw format.
Definition: vf_scale_npp.c:95
int w
New dimensions.
Definition: vf_scale_npp.c:90
char * h_expr
height expression string
Definition: vf_scale_npp.c:98
struct NPPScaleStageContext::@234 planes_in[3]
enum AVPixelFormat in_fmt
Definition: vf_scale_npp.c:64
AVBufferRef * frames_ctx
Definition: vf_scale_npp.c:72
enum AVPixelFormat out_fmt
Definition: vf_scale_npp.c:65
struct NPPScaleStageContext::@234 planes_out[3]
#define av_log(a,...)
#define src
Definition: vp8dsp.c:255
FILE * out
Definition: movenc.c:54
AVFormatContext * ctx
Definition: movenc.c:48
if(ret< 0)
Definition: vf_mcdeint.c:282
static enum AVPixelFormat supported_formats[]
Definition: vf_scale_npp.c:45
static int nppscale_config_props(AVFilterLink *outlink)
Definition: vf_scale_npp.c:339
AVFilter ff_vf_scale_npp
Definition: vf_scale_npp.c:597
static enum AVPixelFormat deinterleaved_formats[][2]
Definition: vf_scale_npp.c:51
static const AVOption options[]
Definition: vf_scale_npp.c:550
static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx)
Definition: vf_scale_npp.c:156
static const AVFilterPad nppscale_inputs[]
Definition: vf_scale_npp.c:579
static int nppscale_init(AVFilterContext *ctx)
Definition: vf_scale_npp.c:107
static int nppscale_query_formats(AVFilterContext *ctx)
Definition: vf_scale_npp.c:146
#define FLAGS
Definition: vf_scale_npp.c:549
static const AVClass nppscale_class
Definition: vf_scale_npp.c:572
static int nppscale_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_scale_npp.c:504
ScaleStage
Definition: vf_scale_npp.c:55
@ STAGE_RESIZE
Definition: vf_scale_npp.c:57
@ STAGE_NB
Definition: vf_scale_npp.c:59
@ STAGE_DEINTERLEAVE
Definition: vf_scale_npp.c:56
@ STAGE_INTERLEAVE
Definition: vf_scale_npp.c:58
static enum AVPixelFormat get_deinterleaved_format(enum AVPixelFormat fmt)
Definition: vf_scale_npp.c:218
static void nppscale_uninit(AVFilterContext *ctx)
Definition: vf_scale_npp.c:134
static int nppscale_resize(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:407
static int format_is_supported(enum AVPixelFormat fmt)
Definition: vf_scale_npp.c:208
static int nppscale_scale(AVFilterContext *ctx, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:467
#define CHECK_CU(x)
Definition: vf_scale_npp.c:43
static const AVFilterPad nppscale_outputs[]
Definition: vf_scale_npp.c:588
#define OFFSET(x)
Definition: vf_scale_npp.c:548
static int nppscale_interleave(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:435
static int(*const nppscale_process[])(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:460
static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height, int out_width, int out_height)
Definition: vf_scale_npp.c:232
static int nppscale_deinterleave(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:383