39 #define OFFSET(x) offsetof(GBlurContext, x)
40 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
60 for (
int i = 0;
i < length;
i++) {
67 float nu,
float bscale)
71 for (y = 0; y <
height; y++) {
72 for (step = 0; step < steps; step++) {
77 for (x = 1; x <
width; x++)
78 ptr[x] += nu * ptr[x - 1];
79 ptr[x =
width - 1] *= bscale;
83 ptr[x - 1] += nu * ptr[x];
94 const int slice_start = (
height * jobnr ) / nb_jobs;
96 const float boundaryscale =
s->boundaryscale;
97 const int steps =
s->steps;
98 const float nu =
s->nu;
102 steps, nu, boundaryscale);
108 int column_begin,
int column_end,
int steps,
109 float nu,
float boundaryscale,
int column_step)
114 for (x = column_begin; x < column_end;) {
115 for (step = 0; step < steps; step++) {
117 for (k = 0; k < column_step; k++) {
118 ptr[k] *= boundaryscale;
122 for (k = 0; k < column_step; k++) {
123 ptr[
i + k] += nu * ptr[
i -
width + k];
128 for (k = 0; k < column_step; k++)
129 ptr[
i + k] *= boundaryscale;
133 for (k = 0; k < column_step; k++)
134 ptr[
i -
width + k] += nu * ptr[
i + k];
147 const int slice_start = (
width * jobnr ) / nb_jobs;
149 const float boundaryscale =
s->boundaryscaleV;
150 const int steps =
s->steps;
151 const float nu =
s->nuV;
155 aligned_end = slice_start + (((
slice_end - slice_start) >> 3) << 3);
158 steps, nu, boundaryscale, 8);
162 steps, nu, boundaryscale, 1);
170 const float max =
s->flt ? FLT_MAX : (1 <<
s->depth) - 1;
171 const float min =
s->flt ? -FLT_MAX : 0.f;
175 const int slice_start = (
height * jobnr ) / nb_jobs;
177 const float postscale =
s->postscale *
s->postscaleV;
178 const int slice_size =
slice_end - slice_start;
180 s->postscale_slice(
s->buffer + slice_start * awidth,
189 const int width =
s->planewidth[plane];
190 const int height =
s->planeheight[plane];
194 if (
s->sigma <= 0 ||
s->steps < 0)
246 s->depth =
desc->comp[0].depth;
249 s->planewidth[0] =
s->planewidth[3] = inlink->
w;
251 s->planeheight[0] =
s->planeheight[3] = inlink->
h;
260 s->sigmaV =
s->sigma;
271 lambda = (sigma * sigma) / (2.0 * steps);
272 dnu = (1.0 + 2.0 * lambda - sqrt(1.0 + 4.0 * lambda)) / (2.0 * lambda);
274 *boundaryscale = 1.0 / (1.0 - dnu);
286 set_params(
s->sigma,
s->steps, &
s->postscale, &
s->boundaryscale, &
s->nu);
287 set_params(
s->sigmaV,
s->steps, &
s->postscaleV, &
s->boundaryscaleV, &
s->nuV);
300 for (plane = 0; plane <
s->nb_planes; plane++) {
301 const int height =
s->planeheight[plane];
302 const int width =
s->planewidth[plane];
303 float *bptr =
s->buffer;
305 const uint16_t *src16 = (
const uint16_t *)
in->data[plane];
307 uint16_t *dst16 = (uint16_t *)
out->data[plane];
310 if (!
s->sigma || !(
s->planes & (1 << plane))) {
313 in->data[plane],
in->linesize[plane],
320 in->data[plane],
in->linesize[plane],
322 }
else if (
s->depth == 8) {
323 for (y = 0; y <
height; y++) {
324 for (x = 0; x <
width; x++) {
328 src +=
in->linesize[plane];
331 for (y = 0; y <
height; y++) {
332 for (x = 0; x <
width; x++) {
336 src16 +=
in->linesize[plane] / 2;
347 }
else if (
s->depth == 8) {
348 for (y = 0; y <
height; y++) {
349 for (x = 0; x <
width; x++) {
353 dst +=
out->linesize[plane];
356 for (y = 0; y <
height; y++) {
357 for (x = 0; x <
width; x++) {
361 dst16 +=
out->linesize[plane] / 2;
400 .priv_class = &gblur_class,
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
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)
static const FLOAT postscale[64]
void ff_gblur_init_x86(GBlurContext *s)
#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...
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
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.
static const AVFilterPad gblur_outputs[]
AVFILTER_DEFINE_CLASS(gblur)
static int query_formats(AVFilterContext *ctx)
static void gaussianiir2d(AVFilterContext *ctx, int plane)
static int config_input(AVFilterLink *inlink)
static int filter_horizontally(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int filter_vertically(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static void do_vertical_columns(float *buffer, int width, int height, int column_begin, int column_end, int steps, float nu, float boundaryscale, int column_step)
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static const AVFilterPad gblur_inputs[]
static void set_params(float sigma, int steps, float *postscale, float *boundaryscale, float *nu)
static av_cold void uninit(AVFilterContext *ctx)
static const AVOption gblur_options[]
static int filter_postscale(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static void postscale_c(float *buffer, int length, float postscale, float min, float max)
static void horiz_slice_c(float *buffer, int width, int height, int steps, float nu, float bscale)
void ff_gblur_init(GBlurContext *s)
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[]
static const struct @322 planes[]
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_FLAG_FLOAT
The pixel format contains IEEE-754 floating point values.
#define AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_GBRPF32
#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_YUVA422P9
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_GRAYF32
#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_GRAY8
Y , 8bpp.
@ 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_GRAY10
#define AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_GRAY16
#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_YUVA444P9
#define AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_GBRAPF32
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P10
void * priv
private data for use by the filter
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...
Used for passing data between threads.
#define av_malloc_array(a, b)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.