FFmpeg  4.3.8
vf_maskedthreshold.c
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1 /*
2  * Copyright (c) 2020 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 #include "libavutil/imgutils.h"
22 #include "libavutil/pixdesc.h"
23 #include "libavutil/opt.h"
24 #include "avfilter.h"
25 #include "formats.h"
26 #include "internal.h"
27 #include "video.h"
28 #include "framesync.h"
29 
30 typedef struct MaskedThresholdContext {
31  const AVClass *class;
32 
33  int threshold;
34  int planes;
35 
36  int linesize[4];
37  int planewidth[4], planeheight[4];
38  int nb_planes;
39  int depth;
41 
42  void (*maskedthreshold)(const uint8_t *src, const uint8_t *ref, uint8_t *dst, int threshold, int w);
44 
45 #define OFFSET(x) offsetof(MaskedThresholdContext, x)
46 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
47 
48 typedef struct ThreadData {
49  AVFrame *src, *ref, *dst;
50 } ThreadData;
51 
53  { "threshold", "set threshold", OFFSET(threshold), AV_OPT_TYPE_INT, {.i64=1}, 0, UINT16_MAX, FLAGS },
54  { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
55  { NULL }
56 };
57 
59 {
60  static const enum AVPixelFormat pix_fmts[] = {
80  };
81 
82  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
83 }
84 
85 static void threshold8(const uint8_t *src, const uint8_t *ref, uint8_t *dst, int threshold, int w)
86 {
87  for (int x = 0; x < w; x++)
88  dst[x] = FFABS(src[x] - ref[x]) <= threshold ? src[x] : ref[x];
89 }
90 
91 static void threshold16(const uint8_t *ssrc, const uint8_t *rref, uint8_t *ddst, int threshold, int w)
92 {
93  const uint16_t *src = (const uint16_t *)ssrc;
94  const uint16_t *ref = (const uint16_t *)rref;
95  uint16_t *dst = (uint16_t *)ddst;
96 
97  for (int x = 0; x < w; x++)
98  dst[x] = FFABS(src[x] - ref[x]) <= threshold ? src[x] : ref[x];
99 }
100 
101 static int config_input(AVFilterLink *inlink)
102 {
103  AVFilterContext *ctx = inlink->dst;
104  MaskedThresholdContext *s = ctx->priv;
106  int vsub, hsub, ret;
107 
109 
110  if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
111  return ret;
112 
113  hsub = desc->log2_chroma_w;
114  vsub = desc->log2_chroma_h;
115  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
116  s->planeheight[0] = s->planeheight[3] = inlink->h;
117  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
118  s->planewidth[0] = s->planewidth[3] = inlink->w;
119 
120  s->depth = desc->comp[0].depth;
121 
122  if (desc->comp[0].depth == 8)
124  else
126 
127  return 0;
128 }
129 
130 static int threshold_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
131 {
132  MaskedThresholdContext *s = ctx->priv;
133  const int threshold = s->threshold;
134  ThreadData *td = arg;
135 
136  for (int p = 0; p < s->nb_planes; p++) {
137  const ptrdiff_t src_linesize = td->src->linesize[p];
138  const ptrdiff_t ref_linesize = td->ref->linesize[p];
139  const ptrdiff_t dst_linesize = td->dst->linesize[p];
140  const int w = s->planewidth[p];
141  const int h = s->planeheight[p];
142  const int slice_start = (h * jobnr) / nb_jobs;
143  const int slice_end = (h * (jobnr+1)) / nb_jobs;
144  const uint8_t *src = td->src->data[p] + slice_start * src_linesize;
145  const uint8_t *ref = td->ref->data[p] + slice_start * ref_linesize;
146  uint8_t *dst = td->dst->data[p] + slice_start * dst_linesize;
147 
148  if (!((1 << p) & s->planes)) {
149  av_image_copy_plane(dst, dst_linesize, ref, ref_linesize,
150  s->linesize[p], slice_end - slice_start);
151  continue;
152  }
153 
154  for (int y = slice_start; y < slice_end; y++) {
155  s->maskedthreshold(src, ref, dst, threshold, w);
156 
157  dst += dst_linesize;
158  src += src_linesize;
159  ref += ref_linesize;
160  }
161  }
162 
163  return 0;
164 }
165 
167 {
168  AVFilterContext *ctx = fs->parent;
170  AVFilterLink *outlink = ctx->outputs[0];
171  AVFrame *out, *src, *ref;
172  int ret;
173 
174  if ((ret = ff_framesync_get_frame(&s->fs, 0, &src, 0)) < 0 ||
175  (ret = ff_framesync_get_frame(&s->fs, 1, &ref, 0)) < 0)
176  return ret;
177 
178  if (ctx->is_disabled) {
179  out = av_frame_clone(src);
180  if (!out)
181  return AVERROR(ENOMEM);
182  } else {
183  ThreadData td;
184 
185  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
186  if (!out)
187  return AVERROR(ENOMEM);
188  av_frame_copy_props(out, src);
189 
190  td.src = src;
191  td.ref = ref;
192  td.dst = out;
193 
194  ctx->internal->execute(ctx, threshold_slice, &td, NULL, FFMIN(s->planeheight[2],
196  }
197  out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
198 
199  return ff_filter_frame(outlink, out);
200 }
201 
202 static int config_output(AVFilterLink *outlink)
203 {
204  AVFilterContext *ctx = outlink->src;
205  MaskedThresholdContext *s = ctx->priv;
206  AVFilterLink *source = ctx->inputs[0];
207  AVFilterLink *ref = ctx->inputs[1];
208  FFFrameSyncIn *in;
209  int ret;
210 
211  if (source->format != ref->format) {
212  av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
213  return AVERROR(EINVAL);
214  }
215  if (source->w != ref->w || source->h != ref->h) {
216  av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
217  "(size %dx%d) do not match the corresponding "
218  "second input link %s parameters (%dx%d)\n",
219  ctx->input_pads[0].name, source->w, source->h,
220  ctx->input_pads[1].name, ref->w, ref->h);
221  return AVERROR(EINVAL);
222  }
223 
224  outlink->w = source->w;
225  outlink->h = source->h;
226  outlink->sample_aspect_ratio = source->sample_aspect_ratio;
227  outlink->frame_rate = source->frame_rate;
228 
229  if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
230  return ret;
231 
232  in = s->fs.in;
233  in[0].time_base = source->time_base;
234  in[1].time_base = ref->time_base;
235  in[0].sync = 1;
236  in[0].before = EXT_STOP;
237  in[0].after = EXT_INFINITY;
238  in[1].sync = 1;
239  in[1].before = EXT_STOP;
240  in[1].after = EXT_INFINITY;
241  s->fs.opaque = s;
243 
244  ret = ff_framesync_configure(&s->fs);
245  outlink->time_base = s->fs.time_base;
246 
247  return ret;
248 }
249 
251 {
252  MaskedThresholdContext *s = ctx->priv;
253  return ff_framesync_activate(&s->fs);
254 }
255 
257 {
258  MaskedThresholdContext *s = ctx->priv;
259 
260  ff_framesync_uninit(&s->fs);
261 }
262 
264  {
265  .name = "source",
266  .type = AVMEDIA_TYPE_VIDEO,
267  .config_props = config_input,
268  },
269  {
270  .name = "reference",
271  .type = AVMEDIA_TYPE_VIDEO,
272  },
273  { NULL }
274 };
275 
277  {
278  .name = "default",
279  .type = AVMEDIA_TYPE_VIDEO,
280  .config_props = config_output,
281  },
282  { NULL }
283 };
284 
286 
288  .name = "maskedthreshold",
289  .description = NULL_IF_CONFIG_SMALL("Pick pixels comparing absolute difference of two streams with threshold."),
290  .priv_class = &maskedthreshold_class,
291  .priv_size = sizeof(MaskedThresholdContext),
292  .uninit = uninit,
293  .activate = activate,
295  .inputs = maskedthreshold_inputs,
296  .outputs = maskedthreshold_outputs,
298 };
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:440
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:432
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:407
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:435
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
misc image utilities
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2589
Main libavfilter public API header.
const char * desc
Definition: nvenc.c:79
static const AVOption maskedthreshold_options[]
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
static int query_formats(AVFilterContext *ctx)
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:413
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:377
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:401
#define FLAGS
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
Definition: framesync.c:117
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104
static av_cold void uninit(AVFilterContext *ctx)
int is_disabled
the enabled state from the last expression evaluation
Definition: avfilter.h:385
int64_t pts
Timestamp of the current event.
Definition: framesync.h:167
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:86
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:300
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:378
const char * name
Pad name.
Definition: internal.h:60
AVFilterContext * parent
Parent filter context.
Definition: framesync.h:152
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:379
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:346
static const AVFilterPad maskedthreshold_inputs[]
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
void(* maskedthreshold)(const uint8_t *src, const uint8_t *ref, uint8_t *dst, int threshold, int w)
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
static int process_frame(FFFrameSync *fs)
uint8_t
#define av_cold
Definition: attributes.h:88
AVOptions.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:393
static void threshold16(const uint8_t *ssrc, const uint8_t *rref, uint8_t *ddst, int threshold, int w)
FFFrameSyncIn * in
Pointer to array of inputs.
Definition: framesync.h:203
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:431
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:412
AVFrame * dst
Definition: vf_blend.c:56
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:100
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:410
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
Definition: framesync.h:91
Input stream structure.
Definition: framesync.h:81
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:402
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:439
#define av_log(a,...)
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 src
Definition: vp8dsp.c:254
static int threshold_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
AVFilterPad * input_pads
array of input pads
Definition: avfilter.h:345
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
#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:605
#define td
Definition: regdef.h:70
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:283
Frame sync structure.
Definition: framesync.h:146
#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:188
const uint8_t * src
Definition: vf_bm3d.c:56
void * priv
private data for use by the filter
Definition: avfilter.h:353
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:116
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:441
const char * arg
Definition: jacosubdec.c:66
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:418
AVRational time_base
Time base for the incoming frames.
Definition: framesync.h:96
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter&#39;s input and try to produce output.
Definition: framesync.c:334
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:400
int(* on_event)(struct FFFrameSync *fs)
Callback called when a frame event is ready.
Definition: framesync.h:172
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:419
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:395
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:416
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:784
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:381
#define FFMIN(a, b)
Definition: common.h:96
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:438
uint8_t w
Definition: llviddspenc.c:38
AVFormatContext * ctx
Definition: movenc.c:48
AVRational time_base
Time base for the output events.
Definition: framesync.h:162
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
#define s(width, name)
Definition: cbs_vp9.c:257
AVFilter ff_vf_maskedthreshold
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:436
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
void * opaque
Opaque pointer, not used by the API.
Definition: framesync.h:177
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:415
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:541
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
static int config_output(AVFilterLink *outlink)
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:408
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:405
Extend the frame to infinity.
Definition: framesync.h:75
typedef void(RENAME(mix_any_func_type))
Used for passing data between threads.
Definition: dsddec.c:67
AVFILTER_DEFINE_CLASS(maskedthreshold)
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
Definition: framesync.c:77
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:380
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)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:397
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
unsigned sync
Synchronization level: frames on input at the highest sync level will generate output frame events...
Definition: framesync.h:139
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
Definition: imgutils.c:89
static void threshold8(const uint8_t *src, const uint8_t *ref, uint8_t *dst, int threshold, int w)
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:394
#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:350
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:406
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:414
#define flags(name, subs,...)
Definition: cbs_av1.c:576
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:404
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
static int activate(AVFilterContext *ctx)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:433
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
avfilter_execute_func * execute
Definition: internal.h:144
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2040
Completely stop all streams with this one.
Definition: framesync.h:65
const uint8_t * ref
Definition: vf_bm3d.c:58
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
An instance of a filter.
Definition: avfilter.h:338
FILE * out
Definition: movenc.c:54
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
static const AVFilterPad maskedthreshold_outputs[]
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:338
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:246
int depth
Number of bits in the component.
Definition: pixdesc.h:58
#define OFFSET(x)
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
static void hsub(htype *dst, const htype *src, int bins)
Definition: vf_median.c:75
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:409
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:659
static int config_input(AVFilterLink *inlink)
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:437
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58