diff --git a/libavfilter/gblur.h b/libavfilter/gblur.h index 3a66984b06..83f43c2c1e 100644 --- a/libavfilter/gblur.h +++ b/libavfilter/gblur.h @@ -57,6 +57,5 @@ typedef struct GBlurContext { void (*postscale_slice)(float *buffer, int length, float postscale, float min, float max); } GBlurContext; -void ff_gblur_init(GBlurContext *s); void ff_gblur_init_x86(GBlurContext *s); #endif diff --git a/libavfilter/vf_gblur.c b/libavfilter/vf_gblur.c index fd664db057..b88a9a6d26 100644 --- a/libavfilter/vf_gblur.c +++ b/libavfilter/vf_gblur.c @@ -34,6 +34,7 @@ #include "formats.h" #include "gblur.h" #include "internal.h" +#include "vf_gblur_init.h" #include "video.h" #define OFFSET(x) offsetof(GBlurContext, x) @@ -54,37 +55,6 @@ typedef struct ThreadData { int width; } ThreadData; -static void postscale_c(float *buffer, int length, - float postscale, float min, float max) -{ - for (int i = 0; i < length; i++) { - buffer[i] *= postscale; - buffer[i] = av_clipf(buffer[i], min, max); - } -} - -static void horiz_slice_c(float *buffer, int width, int height, int steps, - float nu, float bscale, float *localbuf) -{ - int step, x, y; - float *ptr; - for (y = 0; y < height; y++) { - for (step = 0; step < steps; step++) { - ptr = buffer + width * y; - ptr[0] *= bscale; - - /* Filter rightwards */ - for (x = 1; x < width; x++) - ptr[x] += nu * ptr[x - 1]; - ptr[x = width - 1] *= bscale; - - /* Filter leftwards */ - for (; x > 0; x--) - ptr[x - 1] += nu * ptr[x]; - } - } -} - static int filter_horizontally(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { GBlurContext *s = ctx->priv; @@ -108,53 +78,6 @@ static int filter_horizontally(AVFilterContext *ctx, void *arg, int jobnr, int n return 0; } -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) -{ - const int numpixels = width * height; - int i, x, k, step; - float *ptr; - for (x = column_begin; x < column_end;) { - for (step = 0; step < steps; step++) { - ptr = buffer + x; - for (k = 0; k < column_step; k++) { - ptr[k] *= boundaryscale; - } - /* Filter downwards */ - for (i = width; i < numpixels; i += width) { - for (k = 0; k < column_step; k++) { - ptr[i + k] += nu * ptr[i - width + k]; - } - } - i = numpixels - width; - - for (k = 0; k < column_step; k++) - ptr[i + k] *= boundaryscale; - - /* Filter upwards */ - for (; i > 0; i -= width) { - for (k = 0; k < column_step; k++) - ptr[i - width + k] += nu * ptr[i + k]; - } - } - x += column_step; - } -} - -static void verti_slice_c(float *buffer, int width, int height, - int slice_start, int slice_end, int steps, - float nu, float boundaryscale) -{ - int aligned_end = slice_start + (((slice_end - slice_start) >> 3) << 3); - /* Filter vertically along columns (process 8 columns in each step) */ - do_vertical_columns(buffer, width, height, slice_start, aligned_end, - steps, nu, boundaryscale, 8); - /* Filter un-aligned columns one by one */ - do_vertical_columns(buffer, width, height, aligned_end, slice_end, - steps, nu, boundaryscale, 1); -} - static int filter_vertically(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { GBlurContext *s = ctx->priv; @@ -239,16 +162,6 @@ static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_NONE }; -void ff_gblur_init(GBlurContext *s) -{ - s->localbuf = NULL; - s->horiz_slice = horiz_slice_c; - s->verti_slice = verti_slice_c; - s->postscale_slice = postscale_c; - if (ARCH_X86) - ff_gblur_init_x86(s); -} - static av_cold void uninit(AVFilterContext *ctx) { GBlurContext *s = ctx->priv; diff --git a/libavfilter/vf_gblur_init.h b/libavfilter/vf_gblur_init.h new file mode 100644 index 0000000000..0fee64bc98 --- /dev/null +++ b/libavfilter/vf_gblur_init.h @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2011 Pascal Getreuer + * Copyright (c) 2016 Paul B Mahol + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef AVFILTER_GBLUR_INIT_H +#define AVFILTER_GBLUR_INIT_H + +#include "config.h" +#include "libavutil/attributes.h" +#include "libavutil/common.h" +#include "gblur.h" + +static void postscale_c(float *buffer, int length, + float postscale, float min, float max) +{ + for (int i = 0; i < length; i++) { + buffer[i] *= postscale; + buffer[i] = av_clipf(buffer[i], min, max); + } +} + +static void horiz_slice_c(float *buffer, int width, int height, int steps, + float nu, float bscale, float *localbuf) +{ + int x; + for (int y = 0; y < height; y++) { + for (int step = 0; step < steps; step++) { + float *ptr = buffer + width * y; + ptr[0] *= bscale; + + /* Filter rightwards */ + for (x = 1; x < width; x++) + ptr[x] += nu * ptr[x - 1]; + ptr[x = width - 1] *= bscale; + + /* Filter leftwards */ + for (; x > 0; x--) + ptr[x - 1] += nu * ptr[x]; + } + } +} + +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) +{ + const int numpixels = width * height; + int i; + for (int x = column_begin; x < column_end;) { + for (int step = 0; step < steps; step++) { + float *ptr = buffer + x; + for (int k = 0; k < column_step; k++) { + ptr[k] *= boundaryscale; + } + /* Filter downwards */ + for (i = width; i < numpixels; i += width) { + for (int k = 0; k < column_step; k++) { + ptr[i + k] += nu * ptr[i - width + k]; + } + } + i = numpixels - width; + + for (int k = 0; k < column_step; k++) + ptr[i + k] *= boundaryscale; + + /* Filter upwards */ + for (; i > 0; i -= width) { + for (int k = 0; k < column_step; k++) + ptr[i - width + k] += nu * ptr[i + k]; + } + } + x += column_step; + } +} + +static void verti_slice_c(float *buffer, int width, int height, + int slice_start, int slice_end, int steps, + float nu, float boundaryscale) +{ + int aligned_end = slice_start + (((slice_end - slice_start) >> 3) << 3); + /* Filter vertically along columns (process 8 columns in each step) */ + do_vertical_columns(buffer, width, height, slice_start, aligned_end, + steps, nu, boundaryscale, 8); + /* Filter un-aligned columns one by one */ + do_vertical_columns(buffer, width, height, aligned_end, slice_end, + steps, nu, boundaryscale, 1); +} + +static av_unused void ff_gblur_init(GBlurContext *s) +{ + s->localbuf = NULL; + s->horiz_slice = horiz_slice_c; + s->verti_slice = verti_slice_c; + s->postscale_slice = postscale_c; + if (ARCH_X86) + ff_gblur_init_x86(s); +} + +#endif /* AVFILTER_GBLUR_INIT_H */ diff --git a/tests/checkasm/vf_gblur.c b/tests/checkasm/vf_gblur.c index a7a1c1a24e..3686a6c9f6 100644 --- a/tests/checkasm/vf_gblur.c +++ b/tests/checkasm/vf_gblur.c @@ -19,7 +19,7 @@ #include #include #include "checkasm.h" -#include "libavfilter/gblur.h" +#include "libavfilter/vf_gblur_init.h" #define WIDTH 256 #define HEIGHT 256