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vf_maskedclamp.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 #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 #define OFFSET(x) offsetof(MaskedClampContext, x)
31 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
32 
33 typedef struct MaskedClampContext {
34  const AVClass *class;
35 
36  int planes;
38  int overshoot;
39 
40  int linesize[4];
41  int width[4], height[4];
42  int nb_planes;
43  int depth;
45 
46  void (*maskedclamp)(const uint8_t *bsrc, const uint8_t *osrc,
47  const uint8_t *msrc, uint8_t *dst,
48  ptrdiff_t blinesize, ptrdiff_t darklinesize,
49  ptrdiff_t brightlinesize, ptrdiff_t destlinesize,
50  int w, int h, int undershoot, int overshoot);
52 
53 static const AVOption maskedclamp_options[] = {
54  { "undershoot", "set undershoot", OFFSET(undershoot), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
55  { "overshoot", "set overshoot", OFFSET(overshoot), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
56  { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
57  { NULL }
58 };
59 
60 AVFILTER_DEFINE_CLASS(maskedclamp);
61 
63 {
64  static const enum AVPixelFormat pix_fmts[] = {
83  };
84 
85  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
86 }
87 
88 static int process_frame(FFFrameSync *fs)
89 {
90  AVFilterContext *ctx = fs->parent;
92  AVFilterLink *outlink = ctx->outputs[0];
93  AVFrame *out, *base, *dark, *bright;
94  int ret;
95 
96  if ((ret = ff_framesync_get_frame(&s->fs, 0, &base, 0)) < 0 ||
97  (ret = ff_framesync_get_frame(&s->fs, 1, &dark, 0)) < 0 ||
98  (ret = ff_framesync_get_frame(&s->fs, 2, &bright, 0)) < 0)
99  return ret;
100 
101  if (ctx->is_disabled) {
102  out = av_frame_clone(base);
103  if (!out)
104  return AVERROR(ENOMEM);
105  } else {
106  int p;
107 
108  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
109  if (!out)
110  return AVERROR(ENOMEM);
111  av_frame_copy_props(out, base);
112 
113  for (p = 0; p < s->nb_planes; p++) {
114  if (!((1 << p) & s->planes)) {
115  av_image_copy_plane(out->data[p], out->linesize[p], base->data[p], base->linesize[p],
116  s->linesize[p], s->height[p]);
117  continue;
118  }
119 
120  s->maskedclamp(base->data[p], dark->data[p],
121  bright->data[p], out->data[p],
122  base->linesize[p], dark->linesize[p],
123  bright->linesize[p], out->linesize[p],
124  s->width[p], s->height[p],
125  s->undershoot, s->overshoot);
126  }
127  }
128  out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
129 
130  return ff_filter_frame(outlink, out);
131 }
132 
133 static void maskedclamp8(const uint8_t *bsrc, const uint8_t *darksrc,
134  const uint8_t *brightsrc, uint8_t *dst,
135  ptrdiff_t blinesize, ptrdiff_t darklinesize,
136  ptrdiff_t brightlinesize, ptrdiff_t dlinesize,
137  int w, int h,
138  int undershoot, int overshoot)
139 {
140  int x, y;
141 
142  for (y = 0; y < h; y++) {
143  for (x = 0; x < w; x++) {
144  if (bsrc[x] < darksrc[x] - undershoot)
145  dst[x] = darksrc[x] - undershoot;
146  else if (bsrc[x] > brightsrc[x] + overshoot)
147  dst[x] = brightsrc[x] + overshoot;
148  else
149  dst[x] = bsrc[x];
150  }
151 
152  dst += dlinesize;
153  bsrc += blinesize;
154  darksrc += darklinesize;
155  brightsrc += brightlinesize;
156  }
157 }
158 
159 static void maskedclamp16(const uint8_t *bbsrc, const uint8_t *oosrc,
160  const uint8_t *mmsrc, uint8_t *ddst,
161  ptrdiff_t blinesize, ptrdiff_t darklinesize,
162  ptrdiff_t brightlinesize, ptrdiff_t dlinesize,
163  int w, int h,
164  int undershoot, int overshoot)
165 {
166  const uint16_t *bsrc = (const uint16_t *)bbsrc;
167  const uint16_t *darksrc = (const uint16_t *)oosrc;
168  const uint16_t *brightsrc = (const uint16_t *)mmsrc;
169  uint16_t *dst = (uint16_t *)ddst;
170  int x, y;
171 
172  dlinesize /= 2;
173  blinesize /= 2;
174  darklinesize /= 2;
175  brightlinesize /= 2;
176 
177  for (y = 0; y < h; y++) {
178  for (x = 0; x < w; x++) {
179  if (bsrc[x] < darksrc[x] - undershoot)
180  dst[x] = darksrc[x] - undershoot;
181  else if (bsrc[x] > brightsrc[x] + overshoot)
182  dst[x] = brightsrc[x] + overshoot;
183  else
184  dst[x] = bsrc[x];
185  }
186 
187  dst += dlinesize;
188  bsrc += blinesize;
189  darksrc += darklinesize;
190  brightsrc += brightlinesize;
191  }
192 }
193 
194 static int config_input(AVFilterLink *inlink)
195 {
196  AVFilterContext *ctx = inlink->dst;
197  MaskedClampContext *s = ctx->priv;
199  int vsub, hsub, ret;
200 
202 
203  if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
204  return ret;
205 
206  hsub = desc->log2_chroma_w;
207  vsub = desc->log2_chroma_h;
208  s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
209  s->height[0] = s->height[3] = inlink->h;
210  s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
211  s->width[0] = s->width[3] = inlink->w;
212 
213  s->depth = desc->comp[0].depth;
214 
215  if (desc->comp[0].depth == 8)
217  else
219 
220  return 0;
221 }
222 
223 static int config_output(AVFilterLink *outlink)
224 {
225  AVFilterContext *ctx = outlink->src;
226  MaskedClampContext *s = ctx->priv;
227  AVFilterLink *base = ctx->inputs[0];
228  AVFilterLink *dark = ctx->inputs[1];
229  AVFilterLink *bright = ctx->inputs[2];
230  FFFrameSyncIn *in;
231  int ret;
232 
233  if (base->format != dark->format ||
234  base->format != bright->format) {
235  av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
236  return AVERROR(EINVAL);
237  }
238  if (base->w != dark->w ||
239  base->h != dark->h ||
242  base->w != bright->w ||
243  base->h != bright->h ||
244  base->sample_aspect_ratio.num != bright->sample_aspect_ratio.num ||
245  base->sample_aspect_ratio.den != bright->sample_aspect_ratio.den) {
246  av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
247  "(size %dx%d, SAR %d:%d) do not match the corresponding "
248  "second input link %s parameters (%dx%d, SAR %d:%d) "
249  "and/or third input link %s parameters (%dx%d, SAR %d:%d)\n",
250  ctx->input_pads[0].name, base->w, base->h,
251  base->sample_aspect_ratio.num,
252  base->sample_aspect_ratio.den,
253  ctx->input_pads[1].name, dark->w, dark->h,
254  dark->sample_aspect_ratio.num,
255  dark->sample_aspect_ratio.den,
256  ctx->input_pads[2].name, bright->w, bright->h,
257  bright->sample_aspect_ratio.num,
258  bright->sample_aspect_ratio.den);
259  return AVERROR(EINVAL);
260  }
261 
262  outlink->w = base->w;
263  outlink->h = base->h;
264  outlink->time_base = base->time_base;
265  outlink->sample_aspect_ratio = base->sample_aspect_ratio;
266  outlink->frame_rate = base->frame_rate;
267 
268  if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
269  return ret;
270 
271  in = s->fs.in;
272  in[0].time_base = base->time_base;
273  in[1].time_base = dark->time_base;
274  in[2].time_base = bright->time_base;
275  in[0].sync = 1;
276  in[0].before = EXT_STOP;
277  in[0].after = EXT_INFINITY;
278  in[1].sync = 1;
279  in[1].before = EXT_STOP;
280  in[1].after = EXT_INFINITY;
281  in[2].sync = 1;
282  in[2].before = EXT_STOP;
283  in[2].after = EXT_INFINITY;
284  s->fs.opaque = s;
286 
287  return ff_framesync_configure(&s->fs);
288 }
289 
291 {
292  MaskedClampContext *s = ctx->priv;
293  return ff_framesync_activate(&s->fs);
294 }
295 
297 {
298  MaskedClampContext *s = ctx->priv;
299 
300  ff_framesync_uninit(&s->fs);
301 }
302 
303 static const AVFilterPad maskedclamp_inputs[] = {
304  {
305  .name = "base",
306  .type = AVMEDIA_TYPE_VIDEO,
307  .config_props = config_input,
308  },
309  {
310  .name = "dark",
311  .type = AVMEDIA_TYPE_VIDEO,
312  },
313  {
314  .name = "bright",
315  .type = AVMEDIA_TYPE_VIDEO,
316  },
317  { NULL }
318 };
319 
321  {
322  .name = "default",
323  .type = AVMEDIA_TYPE_VIDEO,
324  .config_props = config_output,
325  },
326  { NULL }
327 };
328 
330  .name = "maskedclamp",
331  .description = NULL_IF_CONFIG_SMALL("Clamp first stream with second stream and third stream."),
332  .priv_size = sizeof(MaskedClampContext),
333  .uninit = uninit,
334  .activate = activate,
336  .inputs = maskedclamp_inputs,
337  .outputs = maskedclamp_outputs,
338  .priv_class = &maskedclamp_class,
340 };
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:418
const char * s
Definition: avisynth_c.h:768
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:412
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2419
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:414
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:389
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:399
static const AVFilterPad maskedclamp_outputs[]
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:415
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:2459
Main libavfilter public API header.
const char * desc
Definition: nvenc.c:60
static int config_output(AVFilterLink *outlink)
int(* on_event)(struct FFFrameSync *fs)
Callback called when a frame event is ready.
Definition: framesync.h:172
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:180
int num
Numerator.
Definition: rational.h:59
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:395
void(* maskedclamp)(const uint8_t *bsrc, const uint8_t *osrc, const uint8_t *msrc, uint8_t *dst, ptrdiff_t blinesize, ptrdiff_t darklinesize, ptrdiff_t brightlinesize, ptrdiff_t destlinesize, int w, int h, int undershoot, int overshoot)
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:360
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:383
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:92
#define FLAGS
static void maskedclamp8(const uint8_t *bsrc, const uint8_t *darksrc, const uint8_t *brightsrc, uint8_t *dst, ptrdiff_t blinesize, ptrdiff_t darklinesize, ptrdiff_t brightlinesize, ptrdiff_t dlinesize, int w, int h, int undershoot, int overshoot)
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:283
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:361
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:362
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:346
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1151
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.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:294
FFFrameSyncIn * in
Pointer to array of inputs.
Definition: framesync.h:203
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:411
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:394
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:392
static const AVFilterPad maskedclamp_inputs[]
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:384
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:417
#define av_log(a,...)
#define OFFSET(x)
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
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: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:293
Frame sync structure.
Definition: framesync.h:146
static const AVOption maskedclamp_options[]
#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:353
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:419
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:400
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's input and try to produce output.
Definition: framesync.c:344
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:382
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:401
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
static int config_input(AVFilterLink *inlink)
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:377
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:398
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:363
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
static av_cold void uninit(AVFilterContext *ctx)
AVFormatContext * ctx
Definition: movenc.c:48
AVRational time_base
Time base for the output events.
Definition: framesync.h:162
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:416
static const AVFilterPad outputs[]
Definition: af_afftfilt.c:389
AVFilter ff_vf_maskedclamp
void * opaque
Opaque pointer, not used by the API.
Definition: framesync.h:177
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:378
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:397
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:492
static void maskedclamp16(const uint8_t *bbsrc, const uint8_t *oosrc, const uint8_t *mmsrc, uint8_t *ddst, ptrdiff_t blinesize, ptrdiff_t darklinesize, ptrdiff_t brightlinesize, ptrdiff_t dlinesize, int w, int h, int undershoot, int overshoot)
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:390
static const AVFilterPad inputs[]
Definition: af_afftfilt.c:379
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:387
Extend the frame to infinity.
Definition: framesync.h:75
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:232
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: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
static int query_formats(AVFilterContext *ctx)
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:379
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
AVFILTER_DEFINE_CLASS(maskedclamp)
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
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:385
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:376
#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:266
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:388
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:396
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:380
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:386
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:215
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:413
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
int den
Denominator.
Definition: rational.h:60
Completely stop all streams with this one.
Definition: framesync.h:65
static int process_frame(FFFrameSync *fs)
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:272
static int activate(AVFilterContext *ctx)
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: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
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:256
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:391
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:603
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58