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vf_threshold.c
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1 /*
2  * Copyright (c) 2016 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 /**
22  * @file
23  * threshold video filter
24  */
25 
26 #include "libavutil/imgutils.h"
27 #include "libavutil/internal.h"
28 #include "libavutil/opt.h"
29 #include "libavutil/pixdesc.h"
30 #include "avfilter.h"
31 #include "framesync.h"
32 #include "internal.h"
33 #include "video.h"
34 
35 typedef struct ThresholdContext {
36  const AVClass *class;
37 
38  int planes;
39  int bpc;
40 
41  int nb_planes;
42  int width[4], height[4];
43 
45  const uint8_t *min, const uint8_t *max,
46  uint8_t *out,
47  ptrdiff_t ilinesize, ptrdiff_t tlinesize,
48  ptrdiff_t flinesize, ptrdiff_t slinesize,
49  ptrdiff_t olinesize,
50  int w, int h);
51 
55 
56 #define OFFSET(x) offsetof(ThresholdContext, x)
57 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
58 
59 static const AVOption threshold_options[] = {
60  { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, FLAGS},
61  { NULL }
62 };
63 
64 AVFILTER_DEFINE_CLASS(threshold);
65 
67 {
68  static const enum AVPixelFormat pix_fmts[] = {
86  };
87 
88  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
89 }
90 
91 static int process_frame(FFFrameSync *fs)
92 {
93  AVFilterContext *ctx = fs->parent;
94  ThresholdContext *s = fs->opaque;
95  AVFilterLink *outlink = ctx->outputs[0];
96  AVFrame *out, *in, *threshold, *min, *max;
97  int ret;
98 
99  if ((ret = ff_framesync_get_frame(&s->fs, 0, &in, 0)) < 0 ||
100  (ret = ff_framesync_get_frame(&s->fs, 1, &threshold, 0)) < 0 ||
101  (ret = ff_framesync_get_frame(&s->fs, 2, &min, 0)) < 0 ||
102  (ret = ff_framesync_get_frame(&s->fs, 3, &max, 0)) < 0)
103  return ret;
104 
105  if (ctx->is_disabled) {
106  out = av_frame_clone(in);
107  if (!out)
108  return AVERROR(ENOMEM);
109  } else {
110  int p;
111 
112  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
113  if (!out)
114  return AVERROR(ENOMEM);
115  av_frame_copy_props(out, in);
116 
117  for (p = 0; p < s->nb_planes; p++) {
118  if (!(s->planes & (1 << p))) {
119  av_image_copy_plane(out->data[p], out->linesize[p],
120  in->data[p], in->linesize[p],
121  s->width[p] * s->bpc,
122  s->height[p]);
123  continue;
124  }
125  s->threshold(in->data[p], threshold->data[p],
126  min->data[p], max->data[p],
127  out->data[p],
128  in->linesize[p], threshold->linesize[p],
129  min->linesize[p], max->linesize[p],
130  out->linesize[p],
131  s->width[p], s->height[p]);
132  }
133  }
134 
135  out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
136 
137  return ff_filter_frame(outlink, out);
138 }
139 
140 static void threshold8(const uint8_t *in, const uint8_t *threshold,
141  const uint8_t *min, const uint8_t *max,
142  uint8_t *out,
143  ptrdiff_t ilinesize, ptrdiff_t tlinesize,
144  ptrdiff_t flinesize, ptrdiff_t slinesize,
145  ptrdiff_t olinesize,
146  int w, int h)
147 {
148  int x, y;
149 
150  for (y = 0; y < h; y++) {
151  for (x = 0; x < w; x++) {
152  out[x] = in[x] < threshold[x] ? min[x] : max[x];
153  }
154 
155  in += ilinesize;
156  threshold += tlinesize;
157  min += flinesize;
158  max += flinesize;
159  out += olinesize;
160  }
161 }
162 
163 static void threshold16(const uint8_t *iin, const uint8_t *tthreshold,
164  const uint8_t *ffirst, const uint8_t *ssecond,
165  uint8_t *oout,
166  ptrdiff_t ilinesize, ptrdiff_t tlinesize,
167  ptrdiff_t flinesize, ptrdiff_t slinesize,
168  ptrdiff_t olinesize,
169  int w, int h)
170 {
171  const uint16_t *in = (const uint16_t *)iin;
172  const uint16_t *threshold = (const uint16_t *)tthreshold;
173  const uint16_t *min = (const uint16_t *)ffirst;
174  const uint16_t *max = (const uint16_t *)ssecond;
175  uint16_t *out = (uint16_t *)oout;
176  int x, y;
177 
178  for (y = 0; y < h; y++) {
179  for (x = 0; x < w; x++) {
180  out[x] = in[x] < threshold[x] ? min[x] : max[x];
181  }
182 
183  in += ilinesize / 2;
184  threshold += tlinesize / 2;
185  min += flinesize / 2;
186  max += flinesize / 2;
187  out += olinesize / 2;
188  }
189 }
190 
191 static int config_input(AVFilterLink *inlink)
192 {
193  AVFilterContext *ctx = inlink->dst;
194  ThresholdContext *s = ctx->priv;
196  int vsub, hsub;
197 
199 
200  hsub = desc->log2_chroma_w;
201  vsub = desc->log2_chroma_h;
202  s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
203  s->height[0] = s->height[3] = inlink->h;
204  s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
205  s->width[0] = s->width[3] = inlink->w;
206 
207  if (desc->comp[0].depth == 8) {
208  s->threshold = threshold8;
209  s->bpc = 1;
210  } else {
211  s->threshold = threshold16;
212  s->bpc = 2;
213  }
214 
215  return 0;
216 }
217 
218 static int config_output(AVFilterLink *outlink)
219 {
220  AVFilterContext *ctx = outlink->src;
221  ThresholdContext *s = ctx->priv;
222  AVFilterLink *base = ctx->inputs[0];
223  AVFilterLink *threshold = ctx->inputs[1];
224  AVFilterLink *min = ctx->inputs[2];
225  AVFilterLink *max = ctx->inputs[3];
226  FFFrameSyncIn *in;
227  int ret;
228 
229  if (base->format != threshold->format ||
230  base->format != min->format ||
231  base->format != max->format) {
232  av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
233  return AVERROR(EINVAL);
234  }
235  if (base->w != threshold->w ||
236  base->h != threshold->h ||
237  base->w != min->w ||
238  base->h != min->h ||
239  base->w != max->w ||
240  base->h != max->h) {
241  av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
242  "(size %dx%d) do not match the corresponding "
243  "second input link %s parameters (%dx%d) "
244  "and/or third input link %s parameters (%dx%d) "
245  "and/or fourth input link %s parameters (%dx%d)\n",
246  ctx->input_pads[0].name, base->w, base->h,
247  ctx->input_pads[1].name, threshold->w, threshold->h,
248  ctx->input_pads[2].name, min->w, min->h,
249  ctx->input_pads[3].name, max->w, max->h);
250  return AVERROR(EINVAL);
251  }
252 
253  outlink->w = base->w;
254  outlink->h = base->h;
255  outlink->time_base = base->time_base;
256  outlink->sample_aspect_ratio = base->sample_aspect_ratio;
257  outlink->frame_rate = base->frame_rate;
258 
259  if ((ret = ff_framesync_init(&s->fs, ctx, 4)) < 0)
260  return ret;
261 
262  in = s->fs.in;
263  in[0].time_base = base->time_base;
264  in[1].time_base = threshold->time_base;
265  in[2].time_base = min->time_base;
266  in[3].time_base = max->time_base;
267  in[0].sync = 1;
268  in[0].before = EXT_STOP;
269  in[0].after = EXT_STOP;
270  in[1].sync = 1;
271  in[1].before = EXT_STOP;
272  in[1].after = EXT_STOP;
273  in[2].sync = 1;
274  in[2].before = EXT_STOP;
275  in[2].after = EXT_STOP;
276  in[3].sync = 1;
277  in[3].before = EXT_STOP;
278  in[3].after = EXT_STOP;
279  s->fs.opaque = s;
281 
282  return ff_framesync_configure(&s->fs);
283 }
284 
285 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
286 {
287  ThresholdContext *s = inlink->dst->priv;
288  return ff_framesync_filter_frame(&s->fs, inlink, buf);
289 }
290 
291 static int request_frame(AVFilterLink *outlink)
292 {
293  ThresholdContext *s = outlink->src->priv;
294  return ff_framesync_request_frame(&s->fs, outlink);
295 }
296 
298 {
299  ThresholdContext *s = ctx->priv;
300 
301  ff_framesync_uninit(&s->fs);
302 }
303 
304 static const AVFilterPad inputs[] = {
305  {
306  .name = "default",
307  .type = AVMEDIA_TYPE_VIDEO,
308  .filter_frame = filter_frame,
309  .config_props = config_input,
310  },
311  {
312  .name = "threshold",
313  .type = AVMEDIA_TYPE_VIDEO,
314  .filter_frame = filter_frame,
315  },
316  {
317  .name = "min",
318  .type = AVMEDIA_TYPE_VIDEO,
319  .filter_frame = filter_frame,
320  },
321  {
322  .name = "max",
323  .type = AVMEDIA_TYPE_VIDEO,
324  .filter_frame = filter_frame,
325  },
326  { NULL }
327 };
328 
329 static const AVFilterPad outputs[] = {
330  {
331  .name = "default",
332  .type = AVMEDIA_TYPE_VIDEO,
333  .config_props = config_output,
334  .request_frame = request_frame,
335  },
336  { NULL }
337 };
338 
340  .name = "threshold",
341  .description = NULL_IF_CONFIG_SMALL("Threshold first video stream using other video streams."),
342  .priv_size = sizeof(ThresholdContext),
343  .priv_class = &threshold_class,
344  .uninit = uninit,
346  .inputs = inputs,
347  .outputs = outputs,
349 };
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:388
const char * s
Definition: avisynth_c.h:768
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:382
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2333
This structure describes decoded (raw) audio or video data.
Definition: frame.h:187
static int request_frame(AVFilterLink *outlink)
Definition: vf_threshold.c:291
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:384
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:385
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
misc image utilities
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2373
Main libavfilter public API header.
static int config_input(AVFilterLink *inlink)
Definition: vf_threshold.c:191
const char * desc
Definition: nvenc.c:60
int(* on_event)(struct FFFrameSync *fs)
Callback called when a frame event is ready.
Definition: framesync.h:175
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:180
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:367
static int config_output(AVFilterLink *outlink)
Definition: vf_threshold.c:218
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
Definition: framesync.c:80
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:92
int is_disabled
the enabled state from the last expression evaluation
Definition: avfilter.h:370
int64_t pts
Timestamp of the current event.
Definition: framesync.h:170
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
enum FFFrameSyncExtMode before
Extrapolation mode for timestamps before the first frame.
Definition: framesync.h:93
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:333
void(* threshold)(const uint8_t *in, const uint8_t *threshold, const uint8_t *min, const uint8_t *max, uint8_t *out, ptrdiff_t ilinesize, ptrdiff_t tlinesize, ptrdiff_t flinesize, ptrdiff_t slinesize, ptrdiff_t olinesize, int w, int h)
Definition: vf_threshold.c:44
const char * name
Pad name.
Definition: internal.h:60
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:334
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:331
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1125
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:102
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
AVOptions.
void * parent
Definition: framesync.h:155
static void threshold8(const uint8_t *in, const uint8_t *threshold, const uint8_t *min, const uint8_t *max, uint8_t *out, ptrdiff_t ilinesize, ptrdiff_t tlinesize, ptrdiff_t flinesize, ptrdiff_t slinesize, ptrdiff_t olinesize, int w, int h)
Definition: vf_threshold.c:140
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:271
static int query_formats(AVFilterContext *ctx)
Definition: vf_threshold.c:66
FFFrameSyncIn * in
Pointer to array of inputs.
Definition: framesync.h:206
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:381
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:366
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:101
static int flags
Definition: log.c:57
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:75
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:364
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_threshold.c:297
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
Definition: framesync.h:98
Input stream structure.
Definition: framesync.h:83
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:387
static const AVOption threshold_options[]
Definition: vf_threshold.c:59
#define av_log(a,...)
FFFrameSync fs
Definition: vf_threshold.c:53
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 ff_framesync_filter_frame(FFFrameSync *fs, AVFilterLink *inlink, AVFrame *in)
Accept a frame on a filter input.
Definition: framesync.c:303
static const AVFilterPad inputs[]
Definition: vf_threshold.c:304
AVFilterPad * input_pads
array of input pads
Definition: avfilter.h:330
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:188
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:568
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
Definition: framesync.c:269
Frame sync structure.
Definition: framesync.h:153
#define AVERROR(e)
Definition: error.h:43
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:179
void * priv
private data for use by the filter
Definition: avfilter.h:338
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:389
AVRational time_base
Time base for the incoming frames.
Definition: framesync.h:103
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:354
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:373
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
common internal API header
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:349
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:370
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:335
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
int ff_framesync_request_frame(FFFrameSync *fs, AVFilterLink *outlink)
Request a frame on the filter output.
Definition: framesync.c:317
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
AVFormatContext * ctx
Definition: movenc.c:48
AVRational time_base
Time base for the output events.
Definition: framesync.h:165
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:386
void * opaque
Opaque pointer, not used by the API.
Definition: framesync.h:180
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:350
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:369
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:485
static const AVFilterPad outputs[]
Definition: vf_threshold.c:329
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:362
AVFILTER_DEFINE_CLASS(threshold)
AVFilter ff_vf_threshold
Definition: vf_threshold.c:339
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:218
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:189
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
void * buf
Definition: avisynth_c.h:690
int ff_framesync_init(FFFrameSync *fs, void *parent, unsigned nb_in)
Initialize a frame sync structure.
Definition: framesync.c:52
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:351
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
unsigned sync
Synchronization level: frames on input at the highest sync level will generate output frame events...
Definition: framesync.h:146
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:348
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:133
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:335
#define OFFSET(x)
Definition: vf_threshold.c:56
static int process_frame(FFFrameSync *fs)
Definition: vf_threshold.c:91
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:368
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:352
AVFrame * frames[4]
Definition: vf_threshold.c:52
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:201
static void threshold16(const uint8_t *iin, const uint8_t *tthreshold, const uint8_t *ffirst, const uint8_t *ssecond, uint8_t *oout, ptrdiff_t ilinesize, ptrdiff_t tlinesize, ptrdiff_t flinesize, ptrdiff_t slinesize, ptrdiff_t olinesize, int w, int h)
Definition: vf_threshold.c:163
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
Y , 8bpp.
Definition: pixfmt.h:70
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:229
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:383
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:76
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:69
Completely stop all streams with this one.
Definition: framesync.h:67
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:272
An instance of a filter.
Definition: avfilter.h:323
FILE * out
Definition: movenc.c:54
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:100
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
Definition: imgutils.c:337
#define FLAGS
Definition: vf_threshold.c:57
internal API functions
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
Definition: framesync.c:232
int depth
Number of bits in the component.
Definition: pixdesc.h:58
float min
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
Definition: vf_threshold.c:285
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:363
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:596
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58