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-rw-r--r--third_party/aom/aom_scale/aom_scale.cmake38
-rw-r--r--third_party/aom/aom_scale/aom_scale.h23
-rw-r--r--third_party/aom/aom_scale/aom_scale_rtcd.c18
-rw-r--r--third_party/aom/aom_scale/aom_scale_rtcd.pl52
-rw-r--r--third_party/aom/aom_scale/generic/aom_scale.c506
-rw-r--r--third_party/aom/aom_scale/generic/gen_scalers.c201
-rw-r--r--third_party/aom/aom_scale/generic/yv12config.c203
-rw-r--r--third_party/aom/aom_scale/generic/yv12extend.c411
-rw-r--r--third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c142
-rw-r--r--third_party/aom/aom_scale/yv12config.h143
10 files changed, 1737 insertions, 0 deletions
diff --git a/third_party/aom/aom_scale/aom_scale.cmake b/third_party/aom/aom_scale/aom_scale.cmake
new file mode 100644
index 0000000000..197dea6bd2
--- /dev/null
+++ b/third_party/aom/aom_scale/aom_scale.cmake
@@ -0,0 +1,38 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_AOM_SCALE_AOM_SCALE_CMAKE_)
+ return()
+endif() # AOM_AOM_SCALE_AOM_SCALE_CMAKE_
+set(AOM_AOM_SCALE_AOM_SCALE_CMAKE_ 1)
+
+list(APPEND AOM_SCALE_SOURCES "${AOM_ROOT}/aom_scale/aom_scale.h"
+ "${AOM_ROOT}/aom_scale/generic/aom_scale.c"
+ "${AOM_ROOT}/aom_scale/generic/gen_scalers.c"
+ "${AOM_ROOT}/aom_scale/generic/yv12config.c"
+ "${AOM_ROOT}/aom_scale/generic/yv12extend.c"
+ "${AOM_ROOT}/aom_scale/yv12config.h")
+
+list(APPEND AOM_SCALE_INTRIN_DSPR2
+ "${AOM_ROOT}/aom_scale/mips/dspr2/yv12extend_dspr2.c")
+
+# Creates the aom_scale build target and makes libaom depend on it. The libaom
+# target must exist before this function is called.
+function(setup_aom_scale_targets)
+ add_library(aom_scale OBJECT ${AOM_SCALE_SOURCES})
+ target_sources(aom PRIVATE $<TARGET_OBJECTS:aom_scale>)
+
+ if(HAVE_DSPR2)
+ add_intrinsics_object_library("" "dspr2" "aom_scale"
+ "AOM_SCALE_INTRIN_DSPR2" "aom")
+ endif()
+
+ set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} aom_scale PARENT_SCOPE)
+endfunction()
diff --git a/third_party/aom/aom_scale/aom_scale.h b/third_party/aom/aom_scale/aom_scale.h
new file mode 100644
index 0000000000..11812a1453
--- /dev/null
+++ b/third_party/aom/aom_scale/aom_scale.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_SCALE_AOM_SCALE_H_
+#define AOM_AOM_SCALE_AOM_SCALE_H_
+
+#include "aom_scale/yv12config.h"
+
+extern void aom_scale_frame(YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
+ unsigned char *temp_area, unsigned char temp_height,
+ unsigned int hscale, unsigned int hratio,
+ unsigned int vscale, unsigned int vratio,
+ unsigned int interlaced, const int num_planes);
+
+#endif // AOM_AOM_SCALE_AOM_SCALE_H_
diff --git a/third_party/aom/aom_scale/aom_scale_rtcd.c b/third_party/aom/aom_scale/aom_scale_rtcd.c
new file mode 100644
index 0000000000..a04e053b0a
--- /dev/null
+++ b/third_party/aom/aom_scale/aom_scale_rtcd.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+#include "config/aom_config.h"
+
+#define RTCD_C
+#include "config/aom_scale_rtcd.h"
+
+#include "aom_ports/aom_once.h"
+
+void aom_scale_rtcd() { aom_once(setup_rtcd_internal); }
diff --git a/third_party/aom/aom_scale/aom_scale_rtcd.pl b/third_party/aom/aom_scale/aom_scale_rtcd.pl
new file mode 100644
index 0000000000..c5990b1bb3
--- /dev/null
+++ b/third_party/aom/aom_scale/aom_scale_rtcd.pl
@@ -0,0 +1,52 @@
+##
+## Copyright (c) 2017, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+sub aom_scale_forward_decls() {
+print <<EOF
+struct yv12_buffer_config;
+EOF
+}
+forward_decls qw/aom_scale_forward_decls/;
+
+# Scaler functions
+if (aom_config("CONFIG_SPATIAL_RESAMPLING") eq "yes") {
+ add_proto qw/void aom_horizontal_line_5_4_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
+ add_proto qw/void aom_vertical_band_5_4_scale/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
+ add_proto qw/void aom_horizontal_line_5_3_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
+ add_proto qw/void aom_vertical_band_5_3_scale/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
+ add_proto qw/void aom_horizontal_line_2_1_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
+ add_proto qw/void aom_vertical_band_2_1_scale/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
+ add_proto qw/void aom_vertical_band_2_1_scale_i/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
+}
+
+add_proto qw/void aom_yv12_extend_frame_borders/, "struct yv12_buffer_config *ybf, const int num_planes";
+
+add_proto qw/void aom_yv12_copy_frame/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc, const int num_planes";
+
+add_proto qw/void aom_yv12_copy_y/, "const struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc";
+
+add_proto qw/void aom_yv12_copy_u/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc";
+
+add_proto qw/void aom_yv12_copy_v/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc";
+
+add_proto qw/void aom_yv12_partial_copy_y/, "const struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc, int hstart, int hend, int vstart, int vend";
+
+add_proto qw/void aom_yv12_partial_copy_u/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc, int hstart, int hend, int vstart, int vend";
+
+add_proto qw/void aom_yv12_partial_copy_v/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc, int hstart, int hend, int vstart, int vend";
+
+add_proto qw/void aom_extend_frame_borders/, "struct yv12_buffer_config *ybf, const int num_planes";
+specialize qw/aom_extend_frame_borders dspr2/;
+
+add_proto qw/void aom_extend_frame_inner_borders/, "struct yv12_buffer_config *ybf, const int num_planes";
+specialize qw/aom_extend_frame_inner_borders dspr2/;
+
+add_proto qw/void aom_extend_frame_borders_y/, "struct yv12_buffer_config *ybf";
+1;
diff --git a/third_party/aom/aom_scale/generic/aom_scale.c b/third_party/aom/aom_scale/generic/aom_scale.c
new file mode 100644
index 0000000000..206c42c9f5
--- /dev/null
+++ b/third_party/aom/aom_scale/generic/aom_scale.c
@@ -0,0 +1,506 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+/****************************************************************************
+ *
+ * Module Title : scale.c
+ *
+ * Description : Image scaling functions.
+ *
+ ***************************************************************************/
+
+/****************************************************************************
+ * Header Files
+ ****************************************************************************/
+#include "config/aom_scale_rtcd.h"
+
+#include "aom_mem/aom_mem.h"
+#include "aom_scale/aom_scale.h"
+#include "aom_scale/yv12config.h"
+
+typedef struct {
+ int expanded_frame_width;
+ int expanded_frame_height;
+
+ int HScale;
+ int HRatio;
+ int VScale;
+ int VRatio;
+
+ YV12_BUFFER_CONFIG *src_yuv_config;
+ YV12_BUFFER_CONFIG *dst_yuv_config;
+
+} SCALE_VARS;
+
+/****************************************************************************
+ *
+ * ROUTINE : scale1d_2t1_i
+ *
+ * INPUTS : const unsigned char *source : Pointer to data to be scaled.
+ * int source_step : Number of pixels to step on
+ * in source.
+ * unsigned int source_scale : Scale for source (UNUSED).
+ * unsigned int source_length : Length of source (UNUSED).
+ * unsigned char *dest : Pointer to output data array.
+ * int dest_step : Number of pixels to step on
+ * in destination.
+ * unsigned int dest_scale : Scale for destination
+ * (UNUSED).
+ * unsigned int dest_length : Length of destination.
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Performs 2-to-1 interpolated scaling.
+ *
+ * SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+static void scale1d_2t1_i(const unsigned char *source, int source_step,
+ unsigned int source_scale, unsigned int source_length,
+ unsigned char *dest, int dest_step,
+ unsigned int dest_scale, unsigned int dest_length) {
+ const unsigned char *const dest_end = dest + dest_length * dest_step;
+ (void)source_length;
+ (void)source_scale;
+ (void)dest_scale;
+
+ source_step *= 2; // Every other row.
+
+ dest[0] = source[0]; // Special case: 1st pixel.
+ source += source_step;
+ dest += dest_step;
+
+ while (dest < dest_end) {
+ const unsigned int a = 3 * source[-source_step];
+ const unsigned int b = 10 * source[0];
+ const unsigned int c = 3 * source[source_step];
+ *dest = (unsigned char)((8 + a + b + c) >> 4);
+ source += source_step;
+ dest += dest_step;
+ }
+}
+
+/****************************************************************************
+ *
+ * ROUTINE : scale1d_2t1_ps
+ *
+ * INPUTS : const unsigned char *source : Pointer to data to be scaled.
+ * int source_step : Number of pixels to step on
+ * in source.
+ * unsigned int source_scale : Scale for source (UNUSED).
+ * unsigned int source_length : Length of source (UNUSED).
+ * unsigned char *dest : Pointer to output data array.
+ * int dest_step : Number of pixels to step on
+ * in destination.
+ * unsigned int dest_scale : Scale for destination
+ * (UNUSED).
+ * unsigned int dest_length : Length of destination.
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Performs 2-to-1 point subsampled scaling.
+ *
+ * SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+static void scale1d_2t1_ps(const unsigned char *source, int source_step,
+ unsigned int source_scale,
+ unsigned int source_length, unsigned char *dest,
+ int dest_step, unsigned int dest_scale,
+ unsigned int dest_length) {
+ const unsigned char *const dest_end = dest + dest_length * dest_step;
+ (void)source_length;
+ (void)source_scale;
+ (void)dest_scale;
+
+ source_step *= 2; // Every other row.
+
+ while (dest < dest_end) {
+ *dest = *source;
+ source += source_step;
+ dest += dest_step;
+ }
+}
+/****************************************************************************
+ *
+ * ROUTINE : scale1d_c
+ *
+ * INPUTS : const unsigned char *source : Pointer to data to be scaled.
+ * int source_step : Number of pixels to step on
+ * in source.
+ * unsigned int source_scale : Scale for source.
+ * unsigned int source_length : Length of source (UNUSED).
+ * unsigned char *dest : Pointer to output data array.
+ * int dest_step : Number of pixels to step on
+ * in destination.
+ * unsigned int dest_scale : Scale for destination.
+ * unsigned int dest_length : Length of destination.
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Performs linear interpolation in one dimension.
+ *
+ * SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+static void scale1d_c(const unsigned char *source, int source_step,
+ unsigned int source_scale, unsigned int source_length,
+ unsigned char *dest, int dest_step,
+ unsigned int dest_scale, unsigned int dest_length) {
+ const unsigned char *const dest_end = dest + dest_length * dest_step;
+ const unsigned int round_value = dest_scale / 2;
+ unsigned int left_modifier = dest_scale;
+ unsigned int right_modifier = 0;
+ unsigned char left_pixel = source[0];
+ unsigned char right_pixel = source[source_step];
+
+ (void)source_length;
+
+ /* These asserts are needed if there are boundary issues... */
+ /* assert ( dest_scale > source_scale );*/
+ /* assert ( (source_length - 1) * dest_scale >= (dest_length - 1) *
+ * source_scale);*/
+
+ while (dest < dest_end) {
+ *dest = (unsigned char)((left_modifier * left_pixel +
+ right_modifier * right_pixel + round_value) /
+ dest_scale);
+
+ right_modifier += source_scale;
+
+ while (right_modifier > dest_scale) {
+ right_modifier -= dest_scale;
+ source += source_step;
+ left_pixel = source[0];
+ right_pixel = source[source_step];
+ }
+
+ left_modifier = dest_scale - right_modifier;
+ }
+}
+
+/****************************************************************************
+ *
+ * ROUTINE : Scale2D
+ *
+ * INPUTS : const unsigned char *source : Pointer to data to be
+ * scaled.
+ * int source_pitch : Stride of source image.
+ * unsigned int source_width : Width of input image.
+ * unsigned int source_height : Height of input image.
+ * unsigned char *dest : Pointer to output data
+ * array.
+ * int dest_pitch : Stride of destination
+ * image.
+ * unsigned int dest_width : Width of destination image.
+ * unsigned int dest_height : Height of destination
+ * image.
+ * unsigned char *temp_area : Pointer to temp work area.
+ * unsigned char temp_area_height : Height of temp work area.
+ * unsigned int hscale : Horizontal scale factor
+ * numerator.
+ * unsigned int hratio : Horizontal scale factor
+ * denominator.
+ * unsigned int vscale : Vertical scale factor
+ * numerator.
+ * unsigned int vratio : Vertical scale factor
+ * denominator.
+ * unsigned int interlaced : Interlace flag.
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Performs 2-tap linear interpolation in two dimensions.
+ *
+ * SPECIAL NOTES : Expansion is performed one band at a time to help with
+ * caching.
+ *
+ ****************************************************************************/
+static void Scale2D(
+ /*const*/
+ unsigned char *source, int source_pitch, unsigned int source_width,
+ unsigned int source_height, unsigned char *dest, int dest_pitch,
+ unsigned int dest_width, unsigned int dest_height, unsigned char *temp_area,
+ unsigned char temp_area_height, unsigned int hscale, unsigned int hratio,
+ unsigned int vscale, unsigned int vratio, unsigned int interlaced) {
+ unsigned int i, j, k;
+ unsigned int bands;
+ unsigned int dest_band_height;
+ unsigned int source_band_height;
+
+ typedef void (*Scale1D)(const unsigned char *source, int source_step,
+ unsigned int source_scale, unsigned int source_length,
+ unsigned char *dest, int dest_step,
+ unsigned int dest_scale, unsigned int dest_length);
+
+ Scale1D Scale1Dv = scale1d_c;
+ Scale1D Scale1Dh = scale1d_c;
+
+ void (*horiz_line_scale)(const unsigned char *, unsigned int, unsigned char *,
+ unsigned int) = NULL;
+ void (*vert_band_scale)(unsigned char *, int, unsigned char *, int,
+ unsigned int) = NULL;
+
+ int ratio_scalable = 1;
+ int interpolation = 0;
+
+ unsigned char *source_base;
+ unsigned char *line_src;
+
+ source_base = (unsigned char *)source;
+
+ if (source_pitch < 0) {
+ int offset;
+
+ offset = (source_height - 1);
+ offset *= source_pitch;
+
+ source_base += offset;
+ }
+
+ /* find out the ratio for each direction */
+ switch (hratio * 10 / hscale) {
+ case 8:
+ /* 4-5 Scale in Width direction */
+ horiz_line_scale = aom_horizontal_line_5_4_scale;
+ break;
+ case 6:
+ /* 3-5 Scale in Width direction */
+ horiz_line_scale = aom_horizontal_line_5_3_scale;
+ break;
+ case 5:
+ /* 1-2 Scale in Width direction */
+ horiz_line_scale = aom_horizontal_line_2_1_scale;
+ break;
+ default:
+ /* The ratio is not acceptable now */
+ /* throw("The ratio is not acceptable for now!"); */
+ ratio_scalable = 0;
+ break;
+ }
+
+ switch (vratio * 10 / vscale) {
+ case 8:
+ /* 4-5 Scale in vertical direction */
+ vert_band_scale = aom_vertical_band_5_4_scale;
+ source_band_height = 5;
+ dest_band_height = 4;
+ break;
+ case 6:
+ /* 3-5 Scale in vertical direction */
+ vert_band_scale = aom_vertical_band_5_3_scale;
+ source_band_height = 5;
+ dest_band_height = 3;
+ break;
+ case 5:
+ /* 1-2 Scale in vertical direction */
+
+ if (interlaced) {
+ /* if the content is interlaced, point sampling is used */
+ vert_band_scale = aom_vertical_band_2_1_scale;
+ } else {
+ interpolation = 1;
+ /* if the content is progressive, interplo */
+ vert_band_scale = aom_vertical_band_2_1_scale_i;
+ }
+
+ source_band_height = 2;
+ dest_band_height = 1;
+ break;
+ default:
+ /* The ratio is not acceptable now */
+ /* throw("The ratio is not acceptable for now!"); */
+ ratio_scalable = 0;
+ break;
+ }
+
+ if (ratio_scalable) {
+ if (source_height == dest_height) {
+ /* for each band of the image */
+ for (k = 0; k < dest_height; ++k) {
+ horiz_line_scale(source, source_width, dest, dest_width);
+ source += source_pitch;
+ dest += dest_pitch;
+ }
+
+ return;
+ }
+
+ if (interpolation) {
+ if (source < source_base) source = source_base;
+
+ horiz_line_scale(source, source_width, temp_area, dest_width);
+ }
+
+ for (k = 0; k < (dest_height + dest_band_height - 1) / dest_band_height;
+ ++k) {
+ /* scale one band horizontally */
+ for (i = 0; i < source_band_height; ++i) {
+ /* Trap case where we could read off the base of the source buffer */
+
+ line_src = source + i * source_pitch;
+
+ if (line_src < source_base) line_src = source_base;
+
+ horiz_line_scale(line_src, source_width,
+ temp_area + (i + 1) * dest_pitch, dest_width);
+ }
+
+ /* Vertical scaling is in place */
+ vert_band_scale(temp_area + dest_pitch, dest_pitch, dest, dest_pitch,
+ dest_width);
+
+ if (interpolation)
+ memcpy(temp_area, temp_area + source_band_height * dest_pitch,
+ dest_width);
+
+ /* Next band... */
+ source += (unsigned long)source_band_height * source_pitch;
+ dest += (unsigned long)dest_band_height * dest_pitch;
+ }
+
+ return;
+ }
+
+ if (hscale == 2 && hratio == 1) Scale1Dh = scale1d_2t1_ps;
+
+ if (vscale == 2 && vratio == 1) {
+ if (interlaced)
+ Scale1Dv = scale1d_2t1_ps;
+ else
+ Scale1Dv = scale1d_2t1_i;
+ }
+
+ if (source_height == dest_height) {
+ /* for each band of the image */
+ for (k = 0; k < dest_height; ++k) {
+ Scale1Dh(source, 1, hscale, source_width + 1, dest, 1, hratio,
+ dest_width);
+ source += source_pitch;
+ dest += dest_pitch;
+ }
+
+ return;
+ }
+
+ if (dest_height > source_height) {
+ dest_band_height = temp_area_height - 1;
+ source_band_height = dest_band_height * source_height / dest_height;
+ } else {
+ source_band_height = temp_area_height - 1;
+ dest_band_height = source_band_height * vratio / vscale;
+ }
+
+ /* first row needs to be done so that we can stay one row ahead for vertical
+ * zoom */
+ Scale1Dh(source, 1, hscale, source_width + 1, temp_area, 1, hratio,
+ dest_width);
+
+ /* for each band of the image */
+ bands = (dest_height + dest_band_height - 1) / dest_band_height;
+
+ for (k = 0; k < bands; ++k) {
+ /* scale one band horizontally */
+ for (i = 1; i < source_band_height + 1; ++i) {
+ if (k * source_band_height + i < source_height) {
+ Scale1Dh(source + i * source_pitch, 1, hscale, source_width + 1,
+ temp_area + i * dest_pitch, 1, hratio, dest_width);
+ } else { /* Duplicate the last row */
+ /* copy temp_area row 0 over from last row in the past */
+ memcpy(temp_area + i * dest_pitch, temp_area + (i - 1) * dest_pitch,
+ dest_pitch);
+ }
+ }
+
+ /* scale one band vertically */
+ for (j = 0; j < dest_width; ++j) {
+ Scale1Dv(&temp_area[j], dest_pitch, vscale, source_band_height + 1,
+ &dest[j], dest_pitch, vratio, dest_band_height);
+ }
+
+ /* copy temp_area row 0 over from last row in the past */
+ memcpy(temp_area, temp_area + source_band_height * dest_pitch, dest_pitch);
+
+ /* move to the next band */
+ source += source_band_height * source_pitch;
+ dest += dest_band_height * dest_pitch;
+ }
+}
+
+/****************************************************************************
+ *
+ * ROUTINE : aom_scale_frame
+ *
+ * INPUTS : YV12_BUFFER_CONFIG *src : Pointer to frame to be
+ * scaled.
+ * YV12_BUFFER_CONFIG *dst : Pointer to buffer to hold
+ * scaled frame.
+ * unsigned char *temp_area : Pointer to temp work area.
+ * unsigned char temp_area_height : Height of temp work area.
+ * unsigned int hscale : Horizontal scale factor
+ * numerator.
+ * unsigned int hratio : Horizontal scale factor
+ * denominator.
+ * unsigned int vscale : Vertical scale factor
+ * numerator.
+ * unsigned int vratio : Vertical scale factor
+ * denominator.
+ * unsigned int interlaced : Interlace flag.
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Performs 2-tap linear interpolation in two dimensions.
+ *
+ * SPECIAL NOTES : Expansion is performed one band at a time to help with
+ * caching.
+ *
+ ****************************************************************************/
+void aom_scale_frame(YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
+ unsigned char *temp_area, unsigned char temp_height,
+ unsigned int hscale, unsigned int hratio,
+ unsigned int vscale, unsigned int vratio,
+ unsigned int interlaced, const int num_planes) {
+ const int dw = (hscale - 1 + src->y_width * hratio) / hscale;
+ const int dh = (vscale - 1 + src->y_height * vratio) / vscale;
+
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int plane_dw = dw >> is_uv;
+ const int plane_dh = dh >> is_uv;
+
+ Scale2D((unsigned char *)src->buffers[plane], src->strides[is_uv],
+ src->widths[is_uv], src->heights[is_uv],
+ (unsigned char *)dst->buffers[plane], dst->strides[is_uv], plane_dw,
+ plane_dh, temp_area, temp_height, hscale, hratio, vscale, vratio,
+ interlaced);
+
+ if (plane_dw < dst->widths[is_uv])
+ for (int i = 0; i < plane_dh; ++i)
+ memset(dst->buffers[plane] + i * dst->strides[is_uv] + plane_dw - 1,
+ dst->buffers[plane][i * dst->strides[is_uv] + plane_dw - 2],
+ dst->widths[is_uv] - plane_dw + 1);
+
+ if (plane_dh < dst->heights[is_uv])
+ for (int i = plane_dh - 1; i < dst->heights[is_uv]; ++i)
+ memcpy(dst->buffers[plane] + i * dst->strides[is_uv],
+ dst->buffers[plane] + (plane_dh - 2) * dst->strides[is_uv],
+ dst->widths[is_uv] + 1);
+ }
+}
diff --git a/third_party/aom/aom_scale/generic/gen_scalers.c b/third_party/aom/aom_scale/generic/gen_scalers.c
new file mode 100644
index 0000000000..549e2aa690
--- /dev/null
+++ b/third_party/aom/aom_scale/generic/gen_scalers.c
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include "config/aom_scale_rtcd.h"
+
+#include "aom_scale/aom_scale.h"
+#include "aom_mem/aom_mem.h"
+/****************************************************************************
+ * Imports
+ ****************************************************************************/
+
+/****************************************************************************
+ *
+ *
+ * INPUTS : const unsigned char *source : Pointer to source data.
+ * unsigned int source_width : Stride of source.
+ * unsigned char *dest : Pointer to destination data.
+ * unsigned int dest_width : Stride of destination
+ * (NOT USED).
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Copies horizontal line of pixels from source to
+ * destination scaling up by 4 to 5.
+ *
+ * SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+void aom_horizontal_line_5_4_scale_c(const unsigned char *source,
+ unsigned int source_width,
+ unsigned char *dest,
+ unsigned int dest_width) {
+ const unsigned char *const source_end = source + source_width;
+ (void)dest_width;
+
+ while (source < source_end) {
+ const unsigned int a = source[0];
+ const unsigned int b = source[1];
+ const unsigned int c = source[2];
+ const unsigned int d = source[3];
+ const unsigned int e = source[4];
+
+ dest[0] = (unsigned char)a;
+ dest[1] = (unsigned char)((b * 192 + c * 64 + 128) >> 8);
+ dest[2] = (unsigned char)((c * 128 + d * 128 + 128) >> 8);
+ dest[3] = (unsigned char)((d * 64 + e * 192 + 128) >> 8);
+
+ source += 5;
+ dest += 4;
+ }
+}
+
+void aom_vertical_band_5_4_scale_c(unsigned char *source, int src_pitch,
+ unsigned char *dest, int dest_pitch,
+ unsigned int dest_width) {
+ const unsigned char *const dest_end = dest + dest_width;
+ while (dest < dest_end) {
+ const unsigned int a = source[0 * src_pitch];
+ const unsigned int b = source[1 * src_pitch];
+ const unsigned int c = source[2 * src_pitch];
+ const unsigned int d = source[3 * src_pitch];
+ const unsigned int e = source[4 * src_pitch];
+
+ dest[0 * dest_pitch] = (unsigned char)a;
+ dest[1 * dest_pitch] = (unsigned char)((b * 192 + c * 64 + 128) >> 8);
+ dest[2 * dest_pitch] = (unsigned char)((c * 128 + d * 128 + 128) >> 8);
+ dest[3 * dest_pitch] = (unsigned char)((d * 64 + e * 192 + 128) >> 8);
+
+ ++source;
+ ++dest;
+ }
+}
+
+/*7***************************************************************************
+ *
+ * ROUTINE : aom_horizontal_line_3_5_scale_c
+ *
+ * INPUTS : const unsigned char *source : Pointer to source data.
+ * unsigned int source_width : Stride of source.
+ * unsigned char *dest : Pointer to destination data.
+ * unsigned int dest_width : Stride of destination
+ * (NOT USED).
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Copies horizontal line of pixels from source to
+ * destination scaling up by 3 to 5.
+ *
+ * SPECIAL NOTES : None.
+ *
+ *
+ ****************************************************************************/
+void aom_horizontal_line_5_3_scale_c(const unsigned char *source,
+ unsigned int source_width,
+ unsigned char *dest,
+ unsigned int dest_width) {
+ const unsigned char *const source_end = source + source_width;
+ (void)dest_width;
+ while (source < source_end) {
+ const unsigned int a = source[0];
+ const unsigned int b = source[1];
+ const unsigned int c = source[2];
+ const unsigned int d = source[3];
+ const unsigned int e = source[4];
+
+ dest[0] = (unsigned char)a;
+ dest[1] = (unsigned char)((b * 85 + c * 171 + 128) >> 8);
+ dest[2] = (unsigned char)((d * 171 + e * 85 + 128) >> 8);
+
+ source += 5;
+ dest += 3;
+ }
+}
+
+void aom_vertical_band_5_3_scale_c(unsigned char *source, int src_pitch,
+ unsigned char *dest, int dest_pitch,
+ unsigned int dest_width) {
+ const unsigned char *const dest_end = dest + dest_width;
+ while (dest < dest_end) {
+ const unsigned int a = source[0 * src_pitch];
+ const unsigned int b = source[1 * src_pitch];
+ const unsigned int c = source[2 * src_pitch];
+ const unsigned int d = source[3 * src_pitch];
+ const unsigned int e = source[4 * src_pitch];
+
+ dest[0 * dest_pitch] = (unsigned char)a;
+ dest[1 * dest_pitch] = (unsigned char)((b * 85 + c * 171 + 128) >> 8);
+ dest[2 * dest_pitch] = (unsigned char)((d * 171 + e * 85 + 128) >> 8);
+
+ ++source;
+ ++dest;
+ }
+}
+
+/****************************************************************************
+ *
+ * ROUTINE : aom_horizontal_line_1_2_scale_c
+ *
+ * INPUTS : const unsigned char *source : Pointer to source data.
+ * unsigned int source_width : Stride of source.
+ * unsigned char *dest : Pointer to destination data.
+ * unsigned int dest_width : Stride of destination
+ * (NOT USED).
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Copies horizontal line of pixels from source to
+ * destination scaling up by 1 to 2.
+ *
+ * SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+void aom_horizontal_line_2_1_scale_c(const unsigned char *source,
+ unsigned int source_width,
+ unsigned char *dest,
+ unsigned int dest_width) {
+ const unsigned char *const source_end = source + source_width;
+ (void)dest_width;
+ while (source < source_end) {
+ dest[0] = source[0];
+ source += 2;
+ ++dest;
+ }
+}
+
+void aom_vertical_band_2_1_scale_c(unsigned char *source, int src_pitch,
+ unsigned char *dest, int dest_pitch,
+ unsigned int dest_width) {
+ (void)dest_pitch;
+ (void)src_pitch;
+ memcpy(dest, source, dest_width);
+}
+
+void aom_vertical_band_2_1_scale_i_c(unsigned char *source, int src_pitch,
+ unsigned char *dest, int dest_pitch,
+ unsigned int dest_width) {
+ const unsigned char *const dest_end = dest + dest_width;
+ (void)dest_pitch;
+ while (dest < dest_end) {
+ const unsigned int a = source[-src_pitch] * 3;
+ const unsigned int b = source[0] * 10;
+ const unsigned int c = source[src_pitch] * 3;
+ dest[0] = (unsigned char)((8 + a + b + c) >> 4);
+ ++source;
+ ++dest;
+ }
+}
diff --git a/third_party/aom/aom_scale/generic/yv12config.c b/third_party/aom/aom_scale/generic/yv12config.c
new file mode 100644
index 0000000000..84705e2d8b
--- /dev/null
+++ b/third_party/aom/aom_scale/generic/yv12config.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <assert.h>
+
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/mem.h"
+#include "aom_scale/yv12config.h"
+#include "av1/common/enums.h"
+
+/****************************************************************************
+ * Exports
+ ****************************************************************************/
+
+/****************************************************************************
+ *
+ ****************************************************************************/
+#define yv12_align_addr(addr, align) \
+ (void *)(((size_t)(addr) + ((align)-1)) & (size_t) - (align))
+
+// TODO(jkoleszar): Maybe replace this with struct aom_image
+
+int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
+ if (ybf) {
+ if (ybf->buffer_alloc_sz > 0) {
+ aom_free(ybf->buffer_alloc);
+ }
+ if (ybf->y_buffer_8bit) aom_free(ybf->y_buffer_8bit);
+
+ /* buffer_alloc isn't accessed by most functions. Rather y_buffer,
+ u_buffer and v_buffer point to buffer_alloc and are used. Clear out
+ all of this so that a freed pointer isn't inadvertently used */
+ memset(ybf, 0, sizeof(YV12_BUFFER_CONFIG));
+ } else {
+ return -1;
+ }
+
+ return 0;
+}
+
+int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y, int use_highbitdepth,
+ int border, int byte_alignment,
+ aom_codec_frame_buffer_t *fb,
+ aom_get_frame_buffer_cb_fn_t cb, void *cb_priv) {
+#if CONFIG_SIZE_LIMIT
+ if (width > DECODE_WIDTH_LIMIT || height > DECODE_HEIGHT_LIMIT) return -1;
+#endif
+
+ if (ybf) {
+ const int aom_byte_align = (byte_alignment == 0) ? 1 : byte_alignment;
+ const int aligned_width = (width + 7) & ~7;
+ const int aligned_height = (height + 7) & ~7;
+ const int y_stride = ((aligned_width + 2 * border) + 31) & ~31;
+ const uint64_t yplane_size =
+ (aligned_height + 2 * border) * (uint64_t)y_stride + byte_alignment;
+ const int uv_width = aligned_width >> ss_x;
+ const int uv_height = aligned_height >> ss_y;
+ const int uv_stride = y_stride >> ss_x;
+ const int uv_border_w = border >> ss_x;
+ const int uv_border_h = border >> ss_y;
+ const uint64_t uvplane_size =
+ (uv_height + 2 * uv_border_h) * (uint64_t)uv_stride + byte_alignment;
+
+ const uint64_t frame_size =
+ (1 + use_highbitdepth) * (yplane_size + 2 * uvplane_size);
+
+ uint8_t *buf = NULL;
+
+#if defined AOM_MAX_ALLOCABLE_MEMORY
+ // The size of ybf->buffer_alloc.
+ uint64_t alloc_size = frame_size;
+ // The size of ybf->y_buffer_8bit.
+ if (use_highbitdepth) alloc_size += yplane_size;
+ // The decoder may allocate REF_FRAMES frame buffers in the frame buffer
+ // pool. Bound the total amount of allocated memory as if these REF_FRAMES
+ // frame buffers were allocated in a single allocation.
+ if (alloc_size > AOM_MAX_ALLOCABLE_MEMORY / REF_FRAMES) return -1;
+#endif
+
+ if (cb != NULL) {
+ const int align_addr_extra_size = 31;
+ const uint64_t external_frame_size = frame_size + align_addr_extra_size;
+
+ assert(fb != NULL);
+
+ if (external_frame_size != (size_t)external_frame_size) return -1;
+
+ // Allocation to hold larger frame, or first allocation.
+ if (cb(cb_priv, (size_t)external_frame_size, fb) < 0) return -1;
+
+ if (fb->data == NULL || fb->size < external_frame_size) return -1;
+
+ ybf->buffer_alloc = (uint8_t *)yv12_align_addr(fb->data, 32);
+
+#if defined(__has_feature)
+#if __has_feature(memory_sanitizer)
+ // This memset is needed for fixing the issue of using uninitialized
+ // value in msan test. It will cause a perf loss, so only do this for
+ // msan test.
+ memset(ybf->buffer_alloc, 0, (size_t)frame_size);
+#endif
+#endif
+ } else if (frame_size > (size_t)ybf->buffer_alloc_sz) {
+ // Allocation to hold larger frame, or first allocation.
+ aom_free(ybf->buffer_alloc);
+ ybf->buffer_alloc = NULL;
+
+ if (frame_size != (size_t)frame_size) return -1;
+
+ ybf->buffer_alloc = (uint8_t *)aom_memalign(32, (size_t)frame_size);
+ if (!ybf->buffer_alloc) return -1;
+
+ ybf->buffer_alloc_sz = (size_t)frame_size;
+
+ // This memset is needed for fixing valgrind error from C loop filter
+ // due to access uninitialized memory in frame border. It could be
+ // removed if border is totally removed.
+ memset(ybf->buffer_alloc, 0, ybf->buffer_alloc_sz);
+ }
+
+ /* Only support allocating buffers that have a border that's a multiple
+ * of 32. The border restriction is required to get 16-byte alignment of
+ * the start of the chroma rows without introducing an arbitrary gap
+ * between planes, which would break the semantics of things like
+ * aom_img_set_rect(). */
+ if (border & 0x1f) return -3;
+
+ ybf->y_crop_width = width;
+ ybf->y_crop_height = height;
+ ybf->y_width = aligned_width;
+ ybf->y_height = aligned_height;
+ ybf->y_stride = y_stride;
+
+ ybf->uv_crop_width = (width + ss_x) >> ss_x;
+ ybf->uv_crop_height = (height + ss_y) >> ss_y;
+ ybf->uv_width = uv_width;
+ ybf->uv_height = uv_height;
+ ybf->uv_stride = uv_stride;
+
+ ybf->border = border;
+ ybf->frame_size = (size_t)frame_size;
+ ybf->subsampling_x = ss_x;
+ ybf->subsampling_y = ss_y;
+
+ buf = ybf->buffer_alloc;
+ if (use_highbitdepth) {
+ // Store uint16 addresses when using 16bit framebuffers
+ buf = CONVERT_TO_BYTEPTR(ybf->buffer_alloc);
+ ybf->flags = YV12_FLAG_HIGHBITDEPTH;
+ } else {
+ ybf->flags = 0;
+ }
+
+ ybf->y_buffer = (uint8_t *)yv12_align_addr(
+ buf + (border * y_stride) + border, aom_byte_align);
+ ybf->u_buffer = (uint8_t *)yv12_align_addr(
+ buf + yplane_size + (uv_border_h * uv_stride) + uv_border_w,
+ aom_byte_align);
+ ybf->v_buffer =
+ (uint8_t *)yv12_align_addr(buf + yplane_size + uvplane_size +
+ (uv_border_h * uv_stride) + uv_border_w,
+ aom_byte_align);
+
+ ybf->use_external_reference_buffers = 0;
+
+ if (use_highbitdepth) {
+ if (ybf->y_buffer_8bit) aom_free(ybf->y_buffer_8bit);
+ ybf->y_buffer_8bit = (uint8_t *)aom_memalign(32, (size_t)yplane_size);
+ if (!ybf->y_buffer_8bit) return -1;
+ } else {
+ if (ybf->y_buffer_8bit) {
+ aom_free(ybf->y_buffer_8bit);
+ ybf->y_buffer_8bit = NULL;
+ ybf->buf_8bit_valid = 0;
+ }
+ }
+
+ ybf->corrupted = 0; /* assume not corrupted by errors */
+ return 0;
+ }
+ return -2;
+}
+
+int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y, int use_highbitdepth, int border,
+ int byte_alignment) {
+ if (ybf) {
+ aom_free_frame_buffer(ybf);
+ return aom_realloc_frame_buffer(ybf, width, height, ss_x, ss_y,
+ use_highbitdepth, border, byte_alignment,
+ NULL, NULL, NULL);
+ }
+ return -2;
+}
diff --git a/third_party/aom/aom_scale/generic/yv12extend.c b/third_party/aom/aom_scale/generic/yv12extend.c
new file mode 100644
index 0000000000..ba183520a0
--- /dev/null
+++ b/third_party/aom/aom_scale/generic/yv12extend.c
@@ -0,0 +1,411 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <assert.h>
+
+#include "config/aom_config.h"
+#include "config/aom_scale_rtcd.h"
+
+#include "aom/aom_integer.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/mem.h"
+#include "aom_scale/yv12config.h"
+
+static void extend_plane(uint8_t *const src, int src_stride, int width,
+ int height, int extend_top, int extend_left,
+ int extend_bottom, int extend_right) {
+ int i;
+ const int linesize = extend_left + extend_right + width;
+
+ /* copy the left and right most columns out */
+ uint8_t *src_ptr1 = src;
+ uint8_t *src_ptr2 = src + width - 1;
+ uint8_t *dst_ptr1 = src - extend_left;
+ uint8_t *dst_ptr2 = src + width;
+
+ for (i = 0; i < height; ++i) {
+ memset(dst_ptr1, src_ptr1[0], extend_left);
+ memset(dst_ptr2, src_ptr2[0], extend_right);
+ src_ptr1 += src_stride;
+ src_ptr2 += src_stride;
+ dst_ptr1 += src_stride;
+ dst_ptr2 += src_stride;
+ }
+
+ /* Now copy the top and bottom lines into each line of the respective
+ * borders
+ */
+ src_ptr1 = src - extend_left;
+ src_ptr2 = src + src_stride * (height - 1) - extend_left;
+ dst_ptr1 = src + src_stride * -extend_top - extend_left;
+ dst_ptr2 = src + src_stride * height - extend_left;
+
+ for (i = 0; i < extend_top; ++i) {
+ memcpy(dst_ptr1, src_ptr1, linesize);
+ dst_ptr1 += src_stride;
+ }
+
+ for (i = 0; i < extend_bottom; ++i) {
+ memcpy(dst_ptr2, src_ptr2, linesize);
+ dst_ptr2 += src_stride;
+ }
+}
+
+static void extend_plane_high(uint8_t *const src8, int src_stride, int width,
+ int height, int extend_top, int extend_left,
+ int extend_bottom, int extend_right) {
+ int i;
+ const int linesize = extend_left + extend_right + width;
+ uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+
+ /* copy the left and right most columns out */
+ uint16_t *src_ptr1 = src;
+ uint16_t *src_ptr2 = src + width - 1;
+ uint16_t *dst_ptr1 = src - extend_left;
+ uint16_t *dst_ptr2 = src + width;
+
+ for (i = 0; i < height; ++i) {
+ aom_memset16(dst_ptr1, src_ptr1[0], extend_left);
+ aom_memset16(dst_ptr2, src_ptr2[0], extend_right);
+ src_ptr1 += src_stride;
+ src_ptr2 += src_stride;
+ dst_ptr1 += src_stride;
+ dst_ptr2 += src_stride;
+ }
+
+ /* Now copy the top and bottom lines into each line of the respective
+ * borders
+ */
+ src_ptr1 = src - extend_left;
+ src_ptr2 = src + src_stride * (height - 1) - extend_left;
+ dst_ptr1 = src + src_stride * -extend_top - extend_left;
+ dst_ptr2 = src + src_stride * height - extend_left;
+
+ for (i = 0; i < extend_top; ++i) {
+ memcpy(dst_ptr1, src_ptr1, linesize * sizeof(uint16_t));
+ dst_ptr1 += src_stride;
+ }
+
+ for (i = 0; i < extend_bottom; ++i) {
+ memcpy(dst_ptr2, src_ptr2, linesize * sizeof(uint16_t));
+ dst_ptr2 += src_stride;
+ }
+}
+
+void aom_yv12_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf,
+ const int num_planes) {
+ assert(ybf->border % 2 == 0);
+ assert(ybf->y_height - ybf->y_crop_height < 16);
+ assert(ybf->y_width - ybf->y_crop_width < 16);
+ assert(ybf->y_height - ybf->y_crop_height >= 0);
+ assert(ybf->y_width - ybf->y_crop_width >= 0);
+
+ if (ybf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int plane_border = ybf->border >> is_uv;
+ extend_plane_high(
+ ybf->buffers[plane], ybf->strides[is_uv], ybf->crop_widths[is_uv],
+ ybf->crop_heights[is_uv], plane_border, plane_border,
+ plane_border + ybf->heights[is_uv] - ybf->crop_heights[is_uv],
+ plane_border + ybf->widths[is_uv] - ybf->crop_widths[is_uv]);
+ }
+ return;
+ }
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int plane_border = ybf->border >> is_uv;
+ extend_plane(ybf->buffers[plane], ybf->strides[is_uv],
+ ybf->crop_widths[is_uv], ybf->crop_heights[is_uv],
+ plane_border, plane_border,
+ plane_border + ybf->heights[is_uv] - ybf->crop_heights[is_uv],
+ plane_border + ybf->widths[is_uv] - ybf->crop_widths[is_uv]);
+ }
+}
+
+static void extend_frame(YV12_BUFFER_CONFIG *const ybf, int ext_size,
+ const int num_planes) {
+ const int ss_x = ybf->uv_width < ybf->y_width;
+ const int ss_y = ybf->uv_height < ybf->y_height;
+
+ assert(ybf->y_height - ybf->y_crop_height < 16);
+ assert(ybf->y_width - ybf->y_crop_width < 16);
+ assert(ybf->y_height - ybf->y_crop_height >= 0);
+ assert(ybf->y_width - ybf->y_crop_width >= 0);
+
+ if (ybf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int top = ext_size >> (is_uv ? ss_y : 0);
+ const int left = ext_size >> (is_uv ? ss_x : 0);
+ const int bottom = top + ybf->heights[is_uv] - ybf->crop_heights[is_uv];
+ const int right = left + ybf->widths[is_uv] - ybf->crop_widths[is_uv];
+ extend_plane_high(ybf->buffers[plane], ybf->strides[is_uv],
+ ybf->crop_widths[is_uv], ybf->crop_heights[is_uv], top,
+ left, bottom, right);
+ }
+ return;
+ }
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int top = ext_size >> (is_uv ? ss_y : 0);
+ const int left = ext_size >> (is_uv ? ss_x : 0);
+ const int bottom = top + ybf->heights[is_uv] - ybf->crop_heights[is_uv];
+ const int right = left + ybf->widths[is_uv] - ybf->crop_widths[is_uv];
+ extend_plane(ybf->buffers[plane], ybf->strides[is_uv],
+ ybf->crop_widths[is_uv], ybf->crop_heights[is_uv], top, left,
+ bottom, right);
+ }
+}
+
+void aom_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf, const int num_planes) {
+ extend_frame(ybf, ybf->border, num_planes);
+}
+
+void aom_extend_frame_inner_borders_c(YV12_BUFFER_CONFIG *ybf,
+ const int num_planes) {
+ const int inner_bw = (ybf->border > AOMINNERBORDERINPIXELS)
+ ? AOMINNERBORDERINPIXELS
+ : ybf->border;
+ extend_frame(ybf, inner_bw, num_planes);
+}
+
+void aom_extend_frame_borders_y_c(YV12_BUFFER_CONFIG *ybf) {
+ int ext_size = ybf->border;
+ assert(ybf->y_height - ybf->y_crop_height < 16);
+ assert(ybf->y_width - ybf->y_crop_width < 16);
+ assert(ybf->y_height - ybf->y_crop_height >= 0);
+ assert(ybf->y_width - ybf->y_crop_width >= 0);
+
+ if (ybf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ extend_plane_high(ybf->y_buffer, ybf->y_stride, ybf->y_crop_width,
+ ybf->y_crop_height, ext_size, ext_size,
+ ext_size + ybf->y_height - ybf->y_crop_height,
+ ext_size + ybf->y_width - ybf->y_crop_width);
+ return;
+ }
+ extend_plane(ybf->y_buffer, ybf->y_stride, ybf->y_crop_width,
+ ybf->y_crop_height, ext_size, ext_size,
+ ext_size + ybf->y_height - ybf->y_crop_height,
+ ext_size + ybf->y_width - ybf->y_crop_width);
+}
+
+static void memcpy_short_addr(uint8_t *dst8, const uint8_t *src8, int num) {
+ uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
+ uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+ memcpy(dst, src, num * sizeof(uint16_t));
+}
+
+// Copies the source image into the destination image and updates the
+// destination's UMV borders.
+// Note: The frames are assumed to be identical in size.
+void aom_yv12_copy_frame_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc, const int num_planes) {
+#if 0
+ /* These assertions are valid in the codec, but the libaom-tester uses
+ * this code slightly differently.
+ */
+ assert(src_bc->y_width == dst_bc->y_width);
+ assert(src_bc->y_height == dst_bc->y_height);
+#endif
+
+ assert((src_bc->flags & YV12_FLAG_HIGHBITDEPTH) ==
+ (dst_bc->flags & YV12_FLAG_HIGHBITDEPTH));
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const uint8_t *plane_src = src_bc->buffers[plane];
+ uint8_t *plane_dst = dst_bc->buffers[plane];
+ const int is_uv = plane > 0;
+
+ for (int row = 0; row < src_bc->heights[is_uv]; ++row) {
+ memcpy_short_addr(plane_dst, plane_src, src_bc->widths[is_uv]);
+ plane_src += src_bc->strides[is_uv];
+ plane_dst += dst_bc->strides[is_uv];
+ }
+ }
+ aom_yv12_extend_frame_borders_c(dst_bc, num_planes);
+ return;
+ }
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const uint8_t *plane_src = src_bc->buffers[plane];
+ uint8_t *plane_dst = dst_bc->buffers[plane];
+ const int is_uv = plane > 0;
+
+ for (int row = 0; row < src_bc->heights[is_uv]; ++row) {
+ memcpy(plane_dst, plane_src, src_bc->widths[is_uv]);
+ plane_src += src_bc->strides[is_uv];
+ plane_dst += dst_bc->strides[is_uv];
+ }
+ }
+ aom_yv12_extend_frame_borders_c(dst_bc, num_planes);
+}
+
+void aom_yv12_copy_y_c(const YV12_BUFFER_CONFIG *src_ybc,
+ YV12_BUFFER_CONFIG *dst_ybc) {
+ int row;
+ const uint8_t *src = src_ybc->y_buffer;
+ uint8_t *dst = dst_ybc->y_buffer;
+
+ if (src_ybc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (row = 0; row < src_ybc->y_height; ++row) {
+ memcpy(dst16, src16, src_ybc->y_width * sizeof(uint16_t));
+ src16 += src_ybc->y_stride;
+ dst16 += dst_ybc->y_stride;
+ }
+ return;
+ }
+
+ for (row = 0; row < src_ybc->y_height; ++row) {
+ memcpy(dst, src, src_ybc->y_width);
+ src += src_ybc->y_stride;
+ dst += dst_ybc->y_stride;
+ }
+}
+
+void aom_yv12_copy_u_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc) {
+ int row;
+ const uint8_t *src = src_bc->u_buffer;
+ uint8_t *dst = dst_bc->u_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst16, src16, src_bc->uv_width * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst, src, src_bc->uv_width);
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}
+
+void aom_yv12_copy_v_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc) {
+ int row;
+ const uint8_t *src = src_bc->v_buffer;
+ uint8_t *dst = dst_bc->v_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst16, src16, src_bc->uv_width * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst, src, src_bc->uv_width);
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}
+
+void aom_yv12_partial_copy_y_c(const YV12_BUFFER_CONFIG *src_ybc,
+ YV12_BUFFER_CONFIG *dst_ybc, int hstart,
+ int hend, int vstart, int vend) {
+ int row;
+ const uint8_t *src = src_ybc->y_buffer;
+ uint8_t *dst = dst_ybc->y_buffer;
+
+ if (src_ybc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 =
+ CONVERT_TO_SHORTPTR(src + vstart * src_ybc->y_stride + hstart);
+ uint16_t *dst16 =
+ CONVERT_TO_SHORTPTR(dst + vstart * dst_ybc->y_stride + hstart);
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst16, src16, (hend - hstart) * sizeof(uint16_t));
+ src16 += src_ybc->y_stride;
+ dst16 += dst_ybc->y_stride;
+ }
+ return;
+ }
+ src = (src + vstart * src_ybc->y_stride + hstart);
+ dst = (dst + vstart * dst_ybc->y_stride + hstart);
+
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst, src, (hend - hstart));
+ src += src_ybc->y_stride;
+ dst += dst_ybc->y_stride;
+ }
+}
+
+void aom_yv12_partial_copy_u_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc, int hstart, int hend,
+ int vstart, int vend) {
+ int row;
+ const uint8_t *src = src_bc->u_buffer;
+ uint8_t *dst = dst_bc->u_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 =
+ CONVERT_TO_SHORTPTR(src + vstart * src_bc->uv_stride + hstart);
+ uint16_t *dst16 =
+ CONVERT_TO_SHORTPTR(dst + vstart * dst_bc->uv_stride + hstart);
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst16, src16, (hend - hstart) * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ src = (src + vstart * src_bc->uv_stride + hstart);
+ dst = (dst + vstart * dst_bc->uv_stride + hstart);
+
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst, src, (hend - hstart));
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}
+
+void aom_yv12_partial_copy_v_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc, int hstart, int hend,
+ int vstart, int vend) {
+ int row;
+ const uint8_t *src = src_bc->v_buffer;
+ uint8_t *dst = dst_bc->v_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 =
+ CONVERT_TO_SHORTPTR(src + vstart * src_bc->uv_stride + hstart);
+ uint16_t *dst16 =
+ CONVERT_TO_SHORTPTR(dst + vstart * dst_bc->uv_stride + hstart);
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst16, src16, (hend - hstart) * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ src = (src + vstart * src_bc->uv_stride + hstart);
+ dst = (dst + vstart * dst_bc->uv_stride + hstart);
+
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst, src, (hend - hstart));
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}
diff --git a/third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c b/third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c
new file mode 100644
index 0000000000..869e594d79
--- /dev/null
+++ b/third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <assert.h>
+
+#include "config/aom_config.h"
+
+#include "aom_scale/yv12config.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_scale/aom_scale.h"
+
+#if HAVE_DSPR2
+static void extend_plane(uint8_t *const src, int src_stride, int width,
+ int height, int extend_top, int extend_left,
+ int extend_bottom, int extend_right) {
+ int i, j;
+ uint8_t *left_src, *right_src;
+ uint8_t *left_dst_start, *right_dst_start;
+ uint8_t *left_dst, *right_dst;
+ uint8_t *top_src, *bot_src;
+ uint8_t *top_dst, *bot_dst;
+ uint32_t left_pix;
+ uint32_t right_pix;
+ uint32_t linesize;
+
+ /* copy the left and right most columns out */
+ left_src = src;
+ right_src = src + width - 1;
+ left_dst_start = src - extend_left;
+ right_dst_start = src + width;
+
+ for (i = height; i--;) {
+ left_dst = left_dst_start;
+ right_dst = right_dst_start;
+
+ __asm__ __volatile__(
+ "lb %[left_pix], 0(%[left_src]) \n\t"
+ "lb %[right_pix], 0(%[right_src]) \n\t"
+ "replv.qb %[left_pix], %[left_pix] \n\t"
+ "replv.qb %[right_pix], %[right_pix] \n\t"
+
+ : [left_pix] "=&r"(left_pix), [right_pix] "=&r"(right_pix)
+ : [left_src] "r"(left_src), [right_src] "r"(right_src));
+
+ for (j = extend_left / 4; j--;) {
+ __asm__ __volatile__(
+ "sw %[left_pix], 0(%[left_dst]) \n\t"
+ "sw %[right_pix], 0(%[right_dst]) \n\t"
+
+ :
+ : [left_dst] "r"(left_dst), [left_pix] "r"(left_pix),
+ [right_dst] "r"(right_dst), [right_pix] "r"(right_pix));
+
+ left_dst += 4;
+ right_dst += 4;
+ }
+
+ for (j = extend_left % 4; j--;) {
+ __asm__ __volatile__(
+ "sb %[left_pix], 0(%[left_dst]) \n\t"
+ "sb %[right_pix], 0(%[right_dst]) \n\t"
+
+ :
+ : [left_dst] "r"(left_dst), [left_pix] "r"(left_pix),
+ [right_dst] "r"(right_dst), [right_pix] "r"(right_pix));
+
+ left_dst += 1;
+ right_dst += 1;
+ }
+
+ left_src += src_stride;
+ right_src += src_stride;
+ left_dst_start += src_stride;
+ right_dst_start += src_stride;
+ }
+
+ /* Now copy the top and bottom lines into each line of the respective
+ * borders
+ */
+ top_src = src - extend_left;
+ bot_src = src + src_stride * (height - 1) - extend_left;
+ top_dst = src + src_stride * (-extend_top) - extend_left;
+ bot_dst = src + src_stride * (height)-extend_left;
+ linesize = extend_left + extend_right + width;
+
+ for (i = 0; i < extend_top; i++) {
+ memcpy(top_dst, top_src, linesize);
+ top_dst += src_stride;
+ }
+
+ for (i = 0; i < extend_bottom; i++) {
+ memcpy(bot_dst, bot_src, linesize);
+ bot_dst += src_stride;
+ }
+}
+
+static void extend_frame(YV12_BUFFER_CONFIG *const ybf, int ext_size) {
+ const int c_w = ybf->uv_crop_width;
+ const int c_h = ybf->uv_crop_height;
+ const int ss_x = ybf->uv_width < ybf->y_width;
+ const int ss_y = ybf->uv_height < ybf->y_height;
+ const int c_et = ext_size >> ss_y;
+ const int c_el = ext_size >> ss_x;
+ const int c_eb = c_et + ybf->uv_height - ybf->uv_crop_height;
+ const int c_er = c_el + ybf->uv_width - ybf->uv_crop_width;
+
+ assert(ybf->y_height - ybf->y_crop_height < 16);
+ assert(ybf->y_width - ybf->y_crop_width < 16);
+ assert(ybf->y_height - ybf->y_crop_height >= 0);
+ assert(ybf->y_width - ybf->y_crop_width >= 0);
+
+ extend_plane(ybf->y_buffer, ybf->y_stride, ybf->y_crop_width,
+ ybf->y_crop_height, ext_size, ext_size,
+ ext_size + ybf->y_height - ybf->y_crop_height,
+ ext_size + ybf->y_width - ybf->y_crop_width);
+
+ extend_plane(ybf->u_buffer, ybf->uv_stride, c_w, c_h, c_et, c_el, c_eb, c_er);
+
+ extend_plane(ybf->v_buffer, ybf->uv_stride, c_w, c_h, c_et, c_el, c_eb, c_er);
+}
+
+void aom_extend_frame_borders_dspr2(YV12_BUFFER_CONFIG *ybf,
+ const int num_planes) {
+ extend_frame(ybf, ybf->border, num_planes);
+}
+
+void aom_extend_frame_inner_borders_dspr2(YV12_BUFFER_CONFIG *ybf,
+ const int num_planes) {
+ const int inner_bw = (ybf->border > AOMINNERBORDERINPIXELS)
+ ? AOMINNERBORDERINPIXELS
+ : ybf->border;
+ extend_frame(ybf, inner_bw, num_planes);
+}
+#endif
diff --git a/third_party/aom/aom_scale/yv12config.h b/third_party/aom/aom_scale/yv12config.h
new file mode 100644
index 0000000000..2fb81acd7c
--- /dev/null
+++ b/third_party/aom/aom_scale/yv12config.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_SCALE_YV12CONFIG_H_
+#define AOM_AOM_SCALE_YV12CONFIG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "config/aom_config.h"
+
+#include "aom/aom_codec.h"
+#include "aom/aom_frame_buffer.h"
+#include "aom/aom_integer.h"
+
+#define AOMINNERBORDERINPIXELS 160
+#define AOM_INTERP_EXTEND 4
+
+// TODO(jingning): Use unified inter predictor for encoder and
+// decoder during the development process. Revisit the frame border
+// to improve the decoder performance.
+#if CONFIG_REDUCED_ENCODER_BORDER
+#define AOM_BORDER_IN_PIXELS 160
+#else
+#define AOM_BORDER_IN_PIXELS 288
+#endif // CONFIG_REDUCED_ENCODER_BORDER
+
+typedef struct yv12_buffer_config {
+ union {
+ struct {
+ int y_width;
+ int uv_width;
+ int alpha_width;
+ };
+ int widths[3];
+ };
+ union {
+ struct {
+ int y_height;
+ int uv_height;
+ int alpha_height;
+ };
+ int heights[3];
+ };
+ union {
+ struct {
+ int y_crop_width;
+ int uv_crop_width;
+ };
+ int crop_widths[2];
+ };
+ union {
+ struct {
+ int y_crop_height;
+ int uv_crop_height;
+ };
+ int crop_heights[2];
+ };
+ union {
+ struct {
+ int y_stride;
+ int uv_stride;
+ int alpha_stride;
+ };
+ int strides[3];
+ };
+ union {
+ struct {
+ uint8_t *y_buffer;
+ uint8_t *u_buffer;
+ uint8_t *v_buffer;
+ uint8_t *alpha_buffer;
+ };
+ uint8_t *buffers[4];
+ };
+
+ // Indicate whether y_buffer, u_buffer, and v_buffer points to the internally
+ // allocated memory or external buffers.
+ int use_external_reference_buffers;
+ // This is needed to store y_buffer, u_buffer, and v_buffer when set reference
+ // uses an external refernece, and restore those buffer pointers after the
+ // external reference frame is no longer used.
+ uint8_t *store_buf_adr[3];
+
+ // If the frame is stored in a 16-bit buffer, this stores an 8-bit version
+ // for use in global motion detection. It is allocated on-demand.
+ uint8_t *y_buffer_8bit;
+ int buf_8bit_valid;
+
+ uint8_t *buffer_alloc;
+ size_t buffer_alloc_sz;
+ int border;
+ size_t frame_size;
+ int subsampling_x;
+ int subsampling_y;
+ unsigned int bit_depth;
+ aom_color_primaries_t color_primaries;
+ aom_transfer_characteristics_t transfer_characteristics;
+ aom_matrix_coefficients_t matrix_coefficients;
+ int monochrome;
+ aom_chroma_sample_position_t chroma_sample_position;
+ aom_color_range_t color_range;
+ int render_width;
+ int render_height;
+
+ int corrupted;
+ int flags;
+} YV12_BUFFER_CONFIG;
+
+#define YV12_FLAG_HIGHBITDEPTH 8
+
+int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y, int use_highbitdepth, int border,
+ int byte_alignment);
+
+// Updates the yv12 buffer config with the frame buffer. |byte_alignment| must
+// be a power of 2, from 32 to 1024. 0 sets legacy alignment. If cb is not
+// NULL, then libaom is using the frame buffer callbacks to handle memory.
+// If cb is not NULL, libaom will call cb with minimum size in bytes needed
+// to decode the current frame. If cb is NULL, libaom will allocate memory
+// internally to decode the current frame. Returns 0 on success. Returns < 0
+// on failure.
+int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y, int use_highbitdepth,
+ int border, int byte_alignment,
+ aom_codec_frame_buffer_t *fb,
+ aom_get_frame_buffer_cb_fn_t cb, void *cb_priv);
+int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // AOM_AOM_SCALE_YV12CONFIG_H_
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 21:26:40 +0000