81 if (!strcmp(
ctx->filter->name,
"rgbashift"))
92 #define DEFINE_SMEAR(depth, type, div) \
93 static int smear_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
95 ChromaShiftContext *s = ctx->priv; \
96 AVFrame *in = s->in; \
98 const int sulinesize = in->linesize[1] / div; \
99 const int svlinesize = in->linesize[2] / div; \
100 const int ulinesize = out->linesize[1] / div; \
101 const int vlinesize = out->linesize[2] / div; \
102 const int cbh = s->cbh; \
103 const int cbv = s->cbv; \
104 const int crh = s->crh; \
105 const int crv = s->crv; \
106 const int h = s->height[1]; \
107 const int w = s->width[1]; \
108 const int slice_start = (h * jobnr) / nb_jobs; \
109 const int slice_end = (h * (jobnr+1)) / nb_jobs; \
110 const type *su = (const type *)in->data[1]; \
111 const type *sv = (const type *)in->data[2]; \
112 type *du = (type *)out->data[1] + slice_start * ulinesize; \
113 type *dv = (type *)out->data[2] + slice_start * vlinesize; \
115 for (int y = slice_start; y < slice_end; y++) { \
116 const int duy = av_clip(y - cbv, 0, h-1) * sulinesize; \
117 const int dvy = av_clip(y - crv, 0, h-1) * svlinesize; \
119 for (int x = 0; x < w; x++) { \
120 du[x] = su[av_clip(x - cbh, 0, w - 1) + duy]; \
121 dv[x] = sv[av_clip(x - crh, 0, w - 1) + dvy]; \
134 #define DEFINE_WRAP(depth, type, div) \
135 static int wrap_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
137 ChromaShiftContext *s = ctx->priv; \
138 AVFrame *in = s->in; \
139 AVFrame *out = arg; \
140 const int sulinesize = in->linesize[1] / div; \
141 const int svlinesize = in->linesize[2] / div; \
142 const int ulinesize = out->linesize[1] / div; \
143 const int vlinesize = out->linesize[2] / div; \
144 const int cbh = s->cbh; \
145 const int cbv = s->cbv; \
146 const int crh = s->crh; \
147 const int crv = s->crv; \
148 const int h = s->height[1]; \
149 const int w = s->width[1]; \
150 const int slice_start = (h * jobnr) / nb_jobs; \
151 const int slice_end = (h * (jobnr+1)) / nb_jobs; \
152 const type *su = (const type *)in->data[1]; \
153 const type *sv = (const type *)in->data[2]; \
154 type *du = (type *)out->data[1] + slice_start * ulinesize; \
155 type *dv = (type *)out->data[2] + slice_start * vlinesize; \
157 for (int y = slice_start; y < slice_end; y++) { \
158 int uy = (y - cbv) % h; \
159 int vy = (y - crv) % h; \
166 for (int x = 0; x < w; x++) { \
167 int ux = (x - cbh) % w; \
168 int vx = (x - crh) % w; \
175 du[x] = su[ux + uy * sulinesize]; \
176 dv[x] = sv[vx + vy * svlinesize]; \
189 #define DEFINE_RGBASMEAR(depth, type, div) \
190 static int rgbasmear_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
192 ChromaShiftContext *s = ctx->priv; \
193 AVFrame *in = s->in; \
194 AVFrame *out = arg; \
195 const int srlinesize = in->linesize[2] / div; \
196 const int sglinesize = in->linesize[0] / div; \
197 const int sblinesize = in->linesize[1] / div; \
198 const int salinesize = in->linesize[3] / div; \
199 const int rlinesize = out->linesize[2] / div; \
200 const int glinesize = out->linesize[0] / div; \
201 const int blinesize = out->linesize[1] / div; \
202 const int alinesize = out->linesize[3] / div; \
203 const int rh = s->rh; \
204 const int rv = s->rv; \
205 const int gh = s->gh; \
206 const int gv = s->gv; \
207 const int bh = s->bh; \
208 const int bv = s->bv; \
209 const int ah = s->ah; \
210 const int av = s->av; \
211 const int h = s->height[1]; \
212 const int w = s->width[1]; \
213 const int slice_start = (h * jobnr) / nb_jobs; \
214 const int slice_end = (h * (jobnr+1)) / nb_jobs; \
215 const type *sr = (const type *)in->data[2]; \
216 const type *sg = (const type *)in->data[0]; \
217 const type *sb = (const type *)in->data[1]; \
218 const type *sa = (const type *)in->data[3]; \
219 type *dr = (type *)out->data[2] + slice_start * rlinesize; \
220 type *dg = (type *)out->data[0] + slice_start * glinesize; \
221 type *db = (type *)out->data[1] + slice_start * blinesize; \
222 type *da = (type *)out->data[3] + slice_start * alinesize; \
224 for (int y = slice_start; y < slice_end; y++) { \
225 const int ry = av_clip(y - rv, 0, h-1) * srlinesize; \
226 const int gy = av_clip(y - gv, 0, h-1) * sglinesize; \
227 const int by = av_clip(y - bv, 0, h-1) * sblinesize; \
230 for (int x = 0; x < w; x++) { \
231 dr[x] = sr[av_clip(x - rh, 0, w - 1) + ry]; \
232 dg[x] = sg[av_clip(x - gh, 0, w - 1) + gy]; \
233 db[x] = sb[av_clip(x - bh, 0, w - 1) + by]; \
240 if (s->nb_planes < 4) \
242 ay = av_clip(y - av, 0, h-1) * salinesize; \
243 for (int x = 0; x < w; x++) { \
244 da[x] = sa[av_clip(x - ah, 0, w - 1) + ay]; \
256 #define DEFINE_RGBAWRAP(depth, type, div) \
257 static int rgbawrap_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
259 ChromaShiftContext *s = ctx->priv; \
260 AVFrame *in = s->in; \
261 AVFrame *out = arg; \
262 const int srlinesize = in->linesize[2] / div; \
263 const int sglinesize = in->linesize[0] / div; \
264 const int sblinesize = in->linesize[1] / div; \
265 const int salinesize = in->linesize[3] / div; \
266 const int rlinesize = out->linesize[2] / div; \
267 const int glinesize = out->linesize[0] / div; \
268 const int blinesize = out->linesize[1] / div; \
269 const int alinesize = out->linesize[3] / div; \
270 const int rh = s->rh; \
271 const int rv = s->rv; \
272 const int gh = s->gh; \
273 const int gv = s->gv; \
274 const int bh = s->bh; \
275 const int bv = s->bv; \
276 const int ah = s->ah; \
277 const int av = s->av; \
278 const int h = s->height[1]; \
279 const int w = s->width[1]; \
280 const int slice_start = (h * jobnr) / nb_jobs; \
281 const int slice_end = (h * (jobnr+1)) / nb_jobs; \
282 const type *sr = (const type *)in->data[2]; \
283 const type *sg = (const type *)in->data[0]; \
284 const type *sb = (const type *)in->data[1]; \
285 const type *sa = (const type *)in->data[3]; \
286 type *dr = (type *)out->data[2] + slice_start * rlinesize; \
287 type *dg = (type *)out->data[0] + slice_start * glinesize; \
288 type *db = (type *)out->data[1] + slice_start * blinesize; \
289 type *da = (type *)out->data[3] + slice_start * alinesize; \
291 for (int y = slice_start; y < slice_end; y++) { \
292 int ry = (y - rv) % h; \
293 int gy = (y - gv) % h; \
294 int by = (y - bv) % h; \
303 for (int x = 0; x < w; x++) { \
304 int rx = (x - rh) % w; \
305 int gx = (x - gh) % w; \
306 int bx = (x - bh) % w; \
314 dr[x] = sr[rx + ry * srlinesize]; \
315 dg[x] = sg[gx + gy * sglinesize]; \
316 db[x] = sb[bx + by * sblinesize]; \
323 if (s->nb_planes < 4) \
325 for (int x = 0; x < w; x++) { \
326 int ax = (x - ah) % w; \
327 int ay = (x - av) % h; \
333 da[x] = sa[ax + ay * salinesize]; \
360 if (!
s->is_rgbashift) {
363 in->data[0],
in->linesize[0],
364 s->linesize[0],
s->height[0]);
381 s->is_rgbashift = !strcmp(
ctx->filter->name,
"rgbashift");
382 s->depth =
desc->comp[0].depth;
383 s->nb_planes =
desc->nb_components;
384 if (
s->is_rgbashift) {
386 s->filter_slice =
s->depth > 8 ? rgbawrap_slice16 : rgbawrap_slice8;
388 s->filter_slice =
s->depth > 8 ? rgbasmear_slice16 : rgbasmear_slice8;
391 s->filter_slice =
s->depth > 8 ? wrap_slice16 : wrap_slice8;
393 s->filter_slice =
s->depth > 8 ? smear_slice16 : smear_slice8;
396 s->height[0] =
s->height[3] = inlink->
h;
398 s->width[0] =
s->width[3] = inlink->
w;
404 char *res,
int res_len,
int flags)
415 #define OFFSET(x) offsetof(ChromaShiftContext, x)
416 #define VFR AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
450 .
name =
"chromashift",
453 .priv_class = &chromashift_class,
482 .priv_class = &rgbashift_class,
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)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
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.
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Main libavfilter public API header.
#define flags(name, subs,...)
#define AV_CEIL_RSHIFT(a, b)
simple arithmetic expression evaluator
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
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.
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.
static enum AVPixelFormat rgb_pix_fmts[]
static enum AVPixelFormat yuv_pix_fmts[]
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static enum AVPixelFormat pix_fmts[]
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUV420P14
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
#define AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P10
Describe the class of an AVClass context structure.
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
This structure describes decoded (raw) audio or video data.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int(* filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define DEFINE_RGBASMEAR(depth, type, div)
static const AVOption rgbashift_options[]
AVFILTER_DEFINE_CLASS(chromashift)
AVFilter ff_vf_chromashift
static int query_formats(AVFilterContext *ctx)
#define DEFINE_RGBAWRAP(depth, type, div)
static int config_input(AVFilterLink *inlink)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
#define DEFINE_WRAP(depth, type, div)
static const AVOption chromashift_options[]
#define DEFINE_SMEAR(depth, type, div)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.