FFmpeg
vf_cas.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 #include "libavutil/opt.h"
20 #include "libavutil/imgutils.h"
21 #include "avfilter.h"
22 #include "formats.h"
23 #include "internal.h"
24 #include "video.h"
25 
26 typedef struct CASContext {
27  const AVClass *class;
28 
29  float strength;
30  int planes;
31  int nb_planes;
32 
33  int depth;
34  int planeheight[4];
35  int planewidth[4];
36 
38 
40  int jobnr, int nb_jobs);
41 } CASContext;
42 
43 static inline float lerpf(float v0, float v1, float f)
44 {
45  return v0 + (v1 - v0) * f;
46 }
47 
48 static int cas_slice8(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
49 {
50  CASContext *s = avctx->priv;
51  const float strength = -lerpf(16.f, 4.01f, s->strength);
52  AVFrame *out = arg;
53  AVFrame *in = s->in;
54 
55  for (int p = 0; p < s->nb_planes; p++) {
56  const int slice_start = (s->planeheight[p] * jobnr) / nb_jobs;
57  const int slice_end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
58  const int linesize = out->linesize[p];
59  const int in_linesize = in->linesize[p];
60  const int w = s->planewidth[p];
61  const int w1 = w - 1;
62  const int h = s->planeheight[p];
63  const int h1 = h - 1;
64  uint8_t *dst = out->data[p] + slice_start * linesize;
65  const uint8_t *src = in->data[p];
66 
67  if (!((1 << p) & s->planes)) {
68  av_image_copy_plane(dst, linesize, src + slice_start * linesize, in_linesize,
69  w, slice_end - slice_start);
70  continue;
71  }
72 
73  for (int y = slice_start; y < slice_end; y++) {
74  const int y0 = FFMAX(y - 1, 0);
75  const int y1 = FFMIN(y + 1, h1);
76  for (int x = 0; x < w; x++) {
77  const int x0 = FFMAX(x - 1, 0);
78  const int x1 = FFMIN(x + 1, w1);
79  int a = src[y0 * in_linesize + x0];
80  int b = src[y0 * in_linesize + x];
81  int c = src[y0 * in_linesize + x1];
82  int d = src[y * in_linesize + x0];
83  int e = src[y * in_linesize + x];
84  int f = src[y * in_linesize + x1];
85  int g = src[y1 * in_linesize + x0];
86  int h = src[y1 * in_linesize + x];
87  int i = src[y1 * in_linesize + x1];
88  int mn, mn2, mx, mx2;
89  float amp, weight;
90 
91  mn = FFMIN3(FFMIN3( d, e, f), b, h);
92  mn2 = FFMIN3(FFMIN3(mn, a, c), g, i);
93 
94  mn = mn + mn2;
95 
96  mx = FFMAX3(FFMAX3( d, e, f), b, h);
97  mx2 = FFMAX3(FFMAX3(mx, a, c), g, i);
98 
99  mx = mx + mx2;
100 
101  amp = sqrtf(av_clipf(FFMIN(mn, 511 - mx) / (float)mx, 0.f, 1.f));
102 
103  weight = amp / strength;
104 
105  dst[x] = av_clip_uint8(((b + d + f + h) * weight + e) / (1.f + 4.f * weight));
106  }
107  dst += linesize;
108  }
109  }
110 
111  return 0;
112 }
113 
114 static int cas_slice16(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
115 {
116  CASContext *s = avctx->priv;
117  const float strength = -lerpf(16.f, 4.01f, s->strength);
118  const int max = 2 * (1 << s->depth) - 1;
119  AVFrame *out = arg;
120  AVFrame *in = s->in;
121 
122  for (int p = 0; p < s->nb_planes; p++) {
123  const int slice_start = (s->planeheight[p] * jobnr) / nb_jobs;
124  const int slice_end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
125  const int linesize = out->linesize[p] / 2;
126  const int in_linesize = in->linesize[p] / 2;
127  const int w = s->planewidth[p];
128  const int w1 = w - 1;
129  const int h = s->planeheight[p];
130  const int h1 = h - 1;
131  uint16_t *dst = (uint16_t *)out->data[p] + slice_start * linesize;
132  const uint16_t *src = (const uint16_t *)in->data[p];
133 
134  if (!((1 << p) & s->planes)) {
135  av_image_copy_plane((uint8_t *)dst, linesize, (uint8_t *)(src + slice_start * linesize),
136  in_linesize, w * 2, slice_end - slice_start);
137  continue;
138  }
139 
140  for (int y = slice_start; y < slice_end; y++) {
141  const int y0 = FFMAX(y - 1, 0);
142  const int y1 = FFMIN(y + 1, h1);
143  for (int x = 0; x < w; x++) {
144  const int x0 = FFMAX(x - 1, 0);
145  const int x1 = FFMIN(x + 1, w1);
146  int a = src[y0 * in_linesize + x0];
147  int b = src[y0 * in_linesize + x];
148  int c = src[y0 * in_linesize + x1];
149  int d = src[y * in_linesize + x0];
150  int e = src[y * in_linesize + x];
151  int f = src[y * in_linesize + x1];
152  int g = src[y1 * in_linesize + x0];
153  int h = src[y1 * in_linesize + x];
154  int i = src[y1 * in_linesize + x1];
155  int mn, mn2, mx, mx2;
156  float amp, weight;
157 
158  mn = FFMIN3(FFMIN3( d, e, f), b, h);
159  mn2 = FFMIN3(FFMIN3(mn, a, c), g, i);
160 
161  mn = mn + mn2;
162 
163  mx = FFMAX3(FFMAX3( d, e, f), b, h);
164  mx2 = FFMAX3(FFMAX3(mx, a, c), g, i);
165 
166  mx = mx + mx2;
167 
168  amp = sqrtf(av_clipf(FFMIN(mn, max - mx) / (float)mx, 0.f, 1.f));
169 
170  weight = amp / strength;
171 
172  dst[x] = av_clip_uintp2_c(((b + d + f + h) * weight + e) / (1.f + 4.f * weight), s->depth);
173  }
174  dst += linesize;
175  }
176  }
177 
178  return 0;
179 }
180 
182 {
183  AVFilterContext *ctx = inlink->dst;
184  AVFilterLink *outlink = ctx->outputs[0];
185  CASContext *s = ctx->priv;
186  AVFrame *out;
187 
188  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
189  if (!out) {
190  av_frame_free(&in);
191  return AVERROR(ENOMEM);
192  }
194 
195  s->in = in;
196  ctx->internal->execute(ctx, s->do_slice, out, NULL,
198  av_frame_free(&in);
199  s->in = NULL;
200 
201  return ff_filter_frame(ctx->outputs[0], out);
202 }
203 
205 {
206  static const enum AVPixelFormat pixel_fmts[] = {
231  };
232 
234 
235  formats = ff_make_format_list(pixel_fmts);
236  if (!formats)
237  return AVERROR(ENOMEM);
238 
239  return ff_set_common_formats(avctx, formats);
240 }
241 
243 {
244  AVFilterContext *avctx = inlink->dst;
245  CASContext *s = avctx->priv;
247 
248  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
249  s->planeheight[0] = s->planeheight[3] = inlink->h;
250  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
251  s->planewidth[0] = s->planewidth[3] = inlink->w;
252 
253  s->depth = desc->comp[0].depth;
254  s->nb_planes = desc->nb_components;
255  s->do_slice = s->depth <= 8 ? cas_slice8 : cas_slice16;
256 
257  return 0;
258 }
259 
260 static const AVFilterPad cas_inputs[] = {
261  {
262  .name = "default",
263  .type = AVMEDIA_TYPE_VIDEO,
264  .filter_frame = filter_frame,
265  .config_props = config_input,
266  },
267  { NULL }
268 };
269 
270 static const AVFilterPad cas_outputs[] = {
271  {
272  .name = "default",
273  .type = AVMEDIA_TYPE_VIDEO,
274  },
275  { NULL }
276 };
277 
278 #define OFFSET(x) offsetof(CASContext, x)
279 #define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
280 
281 static const AVOption cas_options[] = {
282  { "strength", "set the sharpening strength", OFFSET(strength), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, VF },
283  { "planes", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=7}, 0, 15, VF },
284  { NULL }
285 };
286 
288 
290  .name = "cas",
291  .description = NULL_IF_CONFIG_SMALL("Contrast Adaptive Sharpen."),
292  .priv_size = sizeof(CASContext),
293  .priv_class = &cas_class,
295  .inputs = cas_inputs,
296  .outputs = cas_outputs,
299 };
formats
formats
Definition: signature.h:48
ff_get_video_buffer
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
AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:432
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:411
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AVERROR
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
opt.h
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_cas.c:181
out
FILE * out
Definition: movenc.c:54
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:978
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2541
CASContext::nb_planes
int nb_planes
Definition: vf_cas.c:31
inlink
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
Definition: filter_design.txt:212
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(cas)
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:111
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:424
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:303
av_clip_uintp2_c
static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
Clip a signed integer to an unsigned power of two range.
Definition: common.h:302
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:431
w
uint8_t w
Definition: llviddspenc.c:39
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:426
AVOption
AVOption.
Definition: opt.h:248
b
#define b
Definition: input.c:41
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:389
CASContext::planeheight
int planeheight[4]
Definition: vf_cas.c:34
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
max
#define max(a, b)
Definition: cuda_runtime.h:33
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:149
video.h
AVFormatContext::internal
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1577
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:427
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:369
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:317
av_image_copy_plane
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:371
AVFilterFormats
A list of supported formats for one end of a filter link.
Definition: formats.h:65
formats.h
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:423
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:407
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
AVFilterContext::priv
void * priv
private data for use by the filter
Definition: avfilter.h:348
v0
#define v0
Definition: regdef.h:26
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:405
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:433
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:387
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:373
FFMIN3
#define FFMIN3(a, b, c)
Definition: common.h:106
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:54
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:392
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:248
av_cold
#define av_cold
Definition: attributes.h:90
inputs
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
Definition: filter_design.txt:243
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:401
ff_set_common_formats
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:580
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:409
FFMAX3
#define FFMAX3(a, b, c)
Definition: common.h:104
s
#define s(width, name)
Definition: cbs_vp9.c:257
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:410
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:402
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
cas_slice16
static int cas_slice16(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_cas.c:114
g
const char * g
Definition: vf_curves.c:117
slice_end
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2031
CASContext::planewidth
int planewidth[4]
Definition: vf_cas.c:35
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:430
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:386
config_input
static av_cold int config_input(AVFilterLink *inlink)
Definition: vf_cas.c:242
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:400
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:372
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
f
#define f(width, name)
Definition: cbs_vp9.c:255
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
arg
const char * arg
Definition: jacosubdec.c:67
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:370
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:408
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
NULL
#define NULL
Definition: coverity.c:32
av_frame_copy_props
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:536
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
av_clipf
#define av_clipf
Definition: common.h:170
lerpf
static float lerpf(float v0, float v1, float f)
Definition: vf_cas.c:43
src
#define src
Definition: vp8dsp.c:255
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:391
CASContext::planes
int planes
Definition: vf_cas.c:30
cas_options
static const AVOption cas_options[]
Definition: vf_cas.c:281
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:390
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:404
OFFSET
#define OFFSET(x)
Definition: vf_cas.c:278
c
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
weight
static int weight(int i, int blen, int offset)
Definition: diracdec.c:1561
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: af_acrusher.c:336
FFMAX
#define FFMAX(a, b)
Definition: common.h:103
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:394
CASContext::depth
int depth
Definition: vf_cas.c:33
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:396
CASContext::in
AVFrame * in
Definition: vf_cas.c:37
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:842
a
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:41
FFMIN
#define FFMIN(a, b)
Definition: common.h:105
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:167
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:428
internal.h
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:126
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
cas_outputs
static const AVFilterPad cas_outputs[]
Definition: vf_cas.c:270
i
int i
Definition: input.c:407
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:406
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:762
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
query_formats
static av_cold int query_formats(AVFilterContext *avctx)
Definition: vf_cas.c:204
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:60
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:388
cas_slice8
static int cas_slice8(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_cas.c:48
AVFilter
Filter definition.
Definition: avfilter.h:145
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:425
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:393
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:398
CASContext::do_slice
int(* do_slice)(AVFilterContext *s, void *arg, int jobnr, int nb_jobs)
Definition: vf_cas.c:39
AVFrame::height
int height
Definition: frame.h:361
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:429
avfilter.h
av_clip_uint8
#define av_clip_uint8
Definition: common.h:128
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
AVFilterContext
An instance of a filter.
Definition: avfilter.h:333
ff_vf_cas
const AVFilter ff_vf_cas
Definition: vf_cas.c:289
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
planes
static const struct @322 planes[]
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
desc
const char * desc
Definition: libsvtav1.c:79
CASContext
Definition: vf_cas.c:26
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:70
CASContext::strength
float strength
Definition: vf_cas.c:29
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
d
d
Definition: ffmpeg_filter.c:156
AV_OPT_TYPE_FLAGS
@ AV_OPT_TYPE_FLAGS
Definition: opt.h:224
imgutils.h
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:334
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:395
h
h
Definition: vp9dsp_template.c:2038
cas_inputs
static const AVFilterPad cas_inputs[]
Definition: vf_cas.c:260
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:399
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:371
VF
#define VF
Definition: vf_cas.c:279
int
int
Definition: ffmpeg_filter.c:156
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:166
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:397