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vf_maskedmerge.c
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1 /*
2  * Copyright (c) 2015 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 "maskedmerge.h"
29 
30 #define OFFSET(x) offsetof(MaskedMergeContext, x)
31 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
32 
33 static const AVOption maskedmerge_options[] = {
34  { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
35  { NULL }
36 };
37 
38 AVFILTER_DEFINE_CLASS(maskedmerge);
39 
41 {
42  static const enum AVPixelFormat pix_fmts[] = {
59  };
60 
61  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
62 }
63 
64 static int process_frame(FFFrameSync *fs)
65 {
66  AVFilterContext *ctx = fs->parent;
68  AVFilterLink *outlink = ctx->outputs[0];
69  AVFrame *out, *base, *overlay, *mask;
70  int ret;
71 
72  if ((ret = ff_framesync_get_frame(&s->fs, 0, &base, 0)) < 0 ||
73  (ret = ff_framesync_get_frame(&s->fs, 1, &overlay, 0)) < 0 ||
74  (ret = ff_framesync_get_frame(&s->fs, 2, &mask, 0)) < 0)
75  return ret;
76 
77  if (ctx->is_disabled) {
78  out = av_frame_clone(base);
79  if (!out)
80  return AVERROR(ENOMEM);
81  } else {
82  int p;
83 
84  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
85  if (!out)
86  return AVERROR(ENOMEM);
87  av_frame_copy_props(out, base);
88 
89  for (p = 0; p < s->nb_planes; p++) {
90  if (!((1 << p) & s->planes)) {
91  av_image_copy_plane(out->data[p], out->linesize[p], base->data[p], base->linesize[p],
92  s->width[p], s->height[p]);
93  continue;
94  }
95 
96  s->maskedmerge(base->data[p], overlay->data[p],
97  mask->data[p], out->data[p],
98  base->linesize[p], overlay->linesize[p],
99  mask->linesize[p], out->linesize[p],
100  s->width[p], s->height[p],
101  s->half, s->depth);
102  }
103  }
104  out->pts = av_rescale_q(base->pts, s->fs.time_base, outlink->time_base);
105 
106  return ff_filter_frame(outlink, out);
107 }
108 
109 static void maskedmerge8(const uint8_t *bsrc, const uint8_t *osrc,
110  const uint8_t *msrc, uint8_t *dst,
111  ptrdiff_t blinesize, ptrdiff_t olinesize,
112  ptrdiff_t mlinesize, ptrdiff_t dlinesize,
113  int w, int h,
114  int half, int shift)
115 {
116  int x, y;
117 
118  for (y = 0; y < h; y++) {
119  for (x = 0; x < w; x++) {
120  dst[x] = bsrc[x] + ((msrc[x] * (osrc[x] - bsrc[x]) + 128) >> 8);
121  }
122 
123  dst += dlinesize;
124  bsrc += blinesize;
125  osrc += olinesize;
126  msrc += mlinesize;
127  }
128 }
129 
130 static void maskedmerge16(const uint8_t *bbsrc, const uint8_t *oosrc,
131  const uint8_t *mmsrc, uint8_t *ddst,
132  ptrdiff_t blinesize, ptrdiff_t olinesize,
133  ptrdiff_t mlinesize, ptrdiff_t dlinesize,
134  int w, int h,
135  int half, int shift)
136 {
137  const uint16_t *bsrc = (const uint16_t *)bbsrc;
138  const uint16_t *osrc = (const uint16_t *)oosrc;
139  const uint16_t *msrc = (const uint16_t *)mmsrc;
140  uint16_t *dst = (uint16_t *)ddst;
141  int x, y;
142 
143  for (y = 0; y < h; y++) {
144  for (x = 0; x < w; x++) {
145  dst[x] = bsrc[x] + ((msrc[x] * (osrc[x] - bsrc[x]) + half) >> shift);
146  }
147 
148  dst += dlinesize / 2;
149  bsrc += blinesize / 2;
150  osrc += olinesize / 2;
151  msrc += mlinesize / 2;
152  }
153 }
154 
155 static int config_input(AVFilterLink *inlink)
156 {
157  AVFilterContext *ctx = inlink->dst;
158  MaskedMergeContext *s = ctx->priv;
160  int vsub, hsub;
161 
163 
164  hsub = desc->log2_chroma_w;
165  vsub = desc->log2_chroma_h;
166  s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
167  s->height[0] = s->height[3] = inlink->h;
168  s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
169  s->width[0] = s->width[3] = inlink->w;
170 
171  s->depth = desc->comp[0].depth;
172  s->half = (1 << s->depth) / 2;
173 
174  if (desc->comp[0].depth == 8)
176  else
178 
179  if (ARCH_X86)
181 
182  return 0;
183 }
184 
185 static int config_output(AVFilterLink *outlink)
186 {
187  AVFilterContext *ctx = outlink->src;
188  MaskedMergeContext *s = ctx->priv;
189  AVFilterLink *base = ctx->inputs[0];
190  AVFilterLink *overlay = ctx->inputs[1];
191  AVFilterLink *mask = ctx->inputs[2];
192  FFFrameSyncIn *in;
193  int ret;
194 
195  if (base->format != overlay->format ||
196  base->format != mask->format) {
197  av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
198  return AVERROR(EINVAL);
199  }
200  if (base->w != overlay->w ||
201  base->h != overlay->h ||
202  base->sample_aspect_ratio.num != overlay->sample_aspect_ratio.num ||
203  base->sample_aspect_ratio.den != overlay->sample_aspect_ratio.den ||
204  base->w != mask->w ||
205  base->h != mask->h ||
208  av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
209  "(size %dx%d, SAR %d:%d) do not match the corresponding "
210  "second input link %s parameters (%dx%d, SAR %d:%d) "
211  "and/or third input link %s parameters (%dx%d, SAR %d:%d)\n",
212  ctx->input_pads[0].name, base->w, base->h,
213  base->sample_aspect_ratio.num,
214  base->sample_aspect_ratio.den,
215  ctx->input_pads[1].name, overlay->w, overlay->h,
216  overlay->sample_aspect_ratio.num,
217  overlay->sample_aspect_ratio.den,
218  ctx->input_pads[2].name, mask->w, mask->h,
219  mask->sample_aspect_ratio.num,
220  mask->sample_aspect_ratio.den);
221  return AVERROR(EINVAL);
222  }
223 
224  outlink->w = base->w;
225  outlink->h = base->h;
226  outlink->time_base = base->time_base;
227  outlink->sample_aspect_ratio = base->sample_aspect_ratio;
228  outlink->frame_rate = base->frame_rate;
229 
230  if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
231  return ret;
232 
233  in = s->fs.in;
234  in[0].time_base = base->time_base;
235  in[1].time_base = overlay->time_base;
236  in[2].time_base = mask->time_base;
237  in[0].sync = 1;
238  in[0].before = EXT_STOP;
239  in[0].after = EXT_INFINITY;
240  in[1].sync = 1;
241  in[1].before = EXT_STOP;
242  in[1].after = EXT_INFINITY;
243  in[2].sync = 1;
244  in[2].before = EXT_STOP;
245  in[2].after = EXT_INFINITY;
246  s->fs.opaque = s;
248 
249  return ff_framesync_configure(&s->fs);
250 }
251 
252 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
253 {
254  MaskedMergeContext *s = inlink->dst->priv;
255  return ff_framesync_filter_frame(&s->fs, inlink, buf);
256 }
257 
258 static int request_frame(AVFilterLink *outlink)
259 {
260  MaskedMergeContext *s = outlink->src->priv;
261  return ff_framesync_request_frame(&s->fs, outlink);
262 }
263 
265 {
266  MaskedMergeContext *s = ctx->priv;
267 
268  ff_framesync_uninit(&s->fs);
269 }
270 
271 static const AVFilterPad maskedmerge_inputs[] = {
272  {
273  .name = "base",
274  .type = AVMEDIA_TYPE_VIDEO,
275  .filter_frame = filter_frame,
276  .config_props = config_input,
277  },
278  {
279  .name = "overlay",
280  .type = AVMEDIA_TYPE_VIDEO,
281  .filter_frame = filter_frame,
282  },
283  {
284  .name = "mask",
285  .type = AVMEDIA_TYPE_VIDEO,
286  .filter_frame = filter_frame,
287  },
288  { NULL }
289 };
290 
292  {
293  .name = "default",
294  .type = AVMEDIA_TYPE_VIDEO,
295  .config_props = config_output,
296  .request_frame = request_frame,
297  },
298  { NULL }
299 };
300 
302  .name = "maskedmerge",
303  .description = NULL_IF_CONFIG_SMALL("Merge first stream with second stream using third stream as mask."),
304  .priv_size = sizeof(MaskedMergeContext),
305  .uninit = uninit,
307  .inputs = maskedmerge_inputs,
308  .outputs = maskedmerge_outputs,
309  .priv_class = &maskedmerge_class,
311 };
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:378
const char * s
Definition: avisynth_c.h:631
static int shift(int a, int b)
Definition: sonic.c:82
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:372
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2222
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
AVOption.
Definition: opt.h:245
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:374
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:375
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:2262
Main libavfilter public API header.
const char * desc
Definition: nvenc.c:89
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
void ff_maskedmerge_init_x86(MaskedMergeContext *s)
int num
numerator
Definition: rational.h:44
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:357
static void maskedmerge16(const uint8_t *bbsrc, const uint8_t *oosrc, const uint8_t *mmsrc, uint8_t *ddst, ptrdiff_t blinesize, ptrdiff_t olinesize, ptrdiff_t mlinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift)
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
Definition: framesync.c:77
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:76
int is_disabled
the enabled state from the last expression evaluation
Definition: avfilter.h:361
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
const char * name
Pad name.
Definition: internal.h:59
static void maskedmerge8(const uint8_t *bsrc, const uint8_t *osrc, const uint8_t *msrc, uint8_t *dst, ptrdiff_t blinesize, ptrdiff_t olinesize, ptrdiff_t mlinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift)
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:313
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1180
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:102
static const AVFilterPad maskedmerge_outputs[]
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
AVFILTER_DEFINE_CLASS(maskedmerge)
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:268
FFFrameSyncIn * in
Pointer to array of inputs.
Definition: framesync.h:206
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:371
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:356
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 query_formats(AVFilterContext *ctx)
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:354
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:377
#define FLAGS
#define av_log(a,...)
A filter pad used for either input or output.
Definition: internal.h:53
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:300
AVFilterPad * input_pads
array of input pads
Definition: avfilter.h:312
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:187
#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:266
static const uint16_t mask[17]
Definition: lzw.c:38
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:176
void * priv
private data for use by the filter
Definition: avfilter.h:320
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:379
AVRational time_base
Time base for the incoming frames.
Definition: framesync.h:103
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:344
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:363
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:339
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:360
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:325
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:314
#define OFFSET(x)
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:376
static const AVFilterPad outputs[]
Definition: af_afftfilt.c:386
void * opaque
Opaque pointer, not used by the API.
Definition: framesync.h:180
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:340
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:359
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:471
static int process_frame(FFFrameSync *fs)
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:352
static const AVFilterPad inputs[]
Definition: af_afftfilt.c:376
static int config_input(AVFilterLink *inlink)
Extend the frame to infinity.
Definition: framesync.h:77
static const AVFilterPad maskedmerge_inputs[]
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:215
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:188
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:553
int ff_framesync_init(FFFrameSync *fs, void *parent, unsigned nb_in)
Initialize a frame sync structure.
Definition: framesync.c:49
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:341
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
Filter definition.
Definition: avfilter.h:142
static const AVOption maskedmerge_options[]
const char * name
Filter name.
Definition: avfilter.h:146
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:338
static int request_frame(AVFilterLink *outlink)
#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:131
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:317
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
void(* maskedmerge)(const uint8_t *bsrc, const uint8_t *osrc, const uint8_t *msrc, uint8_t *dst, ptrdiff_t blinesize, ptrdiff_t olinesize, ptrdiff_t mlinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift)
Definition: maskedmerge.h:35
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:358
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:342
static int flags
Definition: cpu.c:47
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:198
static int config_output(AVFilterLink *outlink)
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:228
static av_cold void uninit(AVFilterContext *ctx)
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:373
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:45
FFFrameSync fs
Definition: maskedmerge.h:33
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:271
An instance of a filter.
Definition: avfilter.h:305
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:287
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:229
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:353
AVFilter ff_vf_maskedmerge
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:580
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58