summaryrefslogtreecommitdiffstats
path: root/media/libvpx/libvpx/vpx_scale
diff options
context:
space:
mode:
Diffstat (limited to 'media/libvpx/libvpx/vpx_scale')
-rw-r--r--media/libvpx/libvpx/vpx_scale/generic/gen_scalers.c228
-rw-r--r--media/libvpx/libvpx/vpx_scale/generic/vpx_scale.c529
-rw-r--r--media/libvpx/libvpx/vpx_scale/generic/yv12config.c308
-rw-r--r--media/libvpx/libvpx/vpx_scale/generic/yv12extend.c335
-rw-r--r--media/libvpx/libvpx/vpx_scale/mips/dspr2/yv12extend_dspr2.c138
-rw-r--r--media/libvpx/libvpx/vpx_scale/vpx_scale.h22
-rw-r--r--media/libvpx/libvpx/vpx_scale/vpx_scale.mk16
-rw-r--r--media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.c15
-rw-r--r--media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.pl44
-rw-r--r--media/libvpx/libvpx/vpx_scale/yv12config.h103
10 files changed, 1738 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_scale/generic/gen_scalers.c b/media/libvpx/libvpx/vpx_scale/generic/gen_scalers.c
new file mode 100644
index 0000000000..d8db4b3547
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/generic/gen_scalers.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "./vpx_scale_rtcd.h"
+#include "vpx_scale/vpx_scale.h"
+#include "vpx_mem/vpx_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 dest (UNUSED).
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Copies horizontal line of pixels from source to
+ * destination scaling up by 4 to 5.
+ *
+ * SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+void vp8_horizontal_line_5_4_scale_c(const unsigned char *source,
+ unsigned int source_width,
+ unsigned char *dest,
+ unsigned int dest_width) {
+ unsigned i;
+ unsigned int a, b, c, d, e;
+ unsigned char *des = dest;
+ const unsigned char *src = source;
+
+ (void)dest_width;
+
+ for (i = 0; i < source_width; i += 5) {
+ a = src[0];
+ b = src[1];
+ c = src[2];
+ d = src[3];
+ e = src[4];
+
+ des[0] = (unsigned char)a;
+ des[1] = (unsigned char)((b * 192 + c * 64 + 128) >> 8);
+ des[2] = (unsigned char)((c * 128 + d * 128 + 128) >> 8);
+ des[3] = (unsigned char)((d * 64 + e * 192 + 128) >> 8);
+
+ src += 5;
+ des += 4;
+ }
+}
+
+void vp8_vertical_band_5_4_scale_c(unsigned char *source,
+ unsigned int src_pitch, unsigned char *dest,
+ unsigned int dest_pitch,
+ unsigned int dest_width) {
+ unsigned int i;
+ unsigned int a, b, c, d, e;
+ unsigned char *des = dest;
+ unsigned char *src = source;
+
+ for (i = 0; i < dest_width; i++) {
+ a = src[0 * src_pitch];
+ b = src[1 * src_pitch];
+ c = src[2 * src_pitch];
+ d = src[3 * src_pitch];
+ e = src[4 * src_pitch];
+
+ des[0 * dest_pitch] = (unsigned char)a;
+ des[1 * dest_pitch] = (unsigned char)((b * 192 + c * 64 + 128) >> 8);
+ des[2 * dest_pitch] = (unsigned char)((c * 128 + d * 128 + 128) >> 8);
+ des[3 * dest_pitch] = (unsigned char)((d * 64 + e * 192 + 128) >> 8);
+
+ src++;
+ des++;
+ }
+}
+
+/*7***************************************************************************
+ *
+ * ROUTINE : vp8_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 dest (UNUSED).
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Copies horizontal line of pixels from source to
+ * destination scaling up by 3 to 5.
+ *
+ * SPECIAL NOTES : None.
+ *
+ *
+ ****************************************************************************/
+void vp8_horizontal_line_5_3_scale_c(const unsigned char *source,
+ unsigned int source_width,
+ unsigned char *dest,
+ unsigned int dest_width) {
+ unsigned int i;
+ unsigned int a, b, c, d, e;
+ unsigned char *des = dest;
+ const unsigned char *src = source;
+
+ (void)dest_width;
+
+ for (i = 0; i < source_width; i += 5) {
+ a = src[0];
+ b = src[1];
+ c = src[2];
+ d = src[3];
+ e = src[4];
+
+ des[0] = (unsigned char)a;
+ des[1] = (unsigned char)((b * 85 + c * 171 + 128) >> 8);
+ des[2] = (unsigned char)((d * 171 + e * 85 + 128) >> 8);
+
+ src += 5;
+ des += 3;
+ }
+}
+
+void vp8_vertical_band_5_3_scale_c(unsigned char *source,
+ unsigned int src_pitch, unsigned char *dest,
+ unsigned int dest_pitch,
+ unsigned int dest_width) {
+ unsigned int i;
+ unsigned int a, b, c, d, e;
+ unsigned char *des = dest;
+ unsigned char *src = source;
+
+ for (i = 0; i < dest_width; i++) {
+ a = src[0 * src_pitch];
+ b = src[1 * src_pitch];
+ c = src[2 * src_pitch];
+ d = src[3 * src_pitch];
+ e = src[4 * src_pitch];
+
+ des[0 * dest_pitch] = (unsigned char)a;
+ des[1 * dest_pitch] = (unsigned char)((b * 85 + c * 171 + 128) >> 8);
+ des[2 * dest_pitch] = (unsigned char)((d * 171 + e * 85 + 128) >> 8);
+
+ src++;
+ des++;
+ }
+}
+
+/****************************************************************************
+ *
+ * ROUTINE : vp8_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 dest (UNUSED).
+ *
+ * OUTPUTS : None.
+ *
+ * RETURNS : void
+ *
+ * FUNCTION : Copies horizontal line of pixels from source to
+ * destination scaling up by 1 to 2.
+ *
+ * SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+void vp8_horizontal_line_2_1_scale_c(const unsigned char *source,
+ unsigned int source_width,
+ unsigned char *dest,
+ unsigned int dest_width) {
+ unsigned int i;
+ unsigned int a;
+ unsigned char *des = dest;
+ const unsigned char *src = source;
+
+ (void)dest_width;
+
+ for (i = 0; i < source_width; i += 2) {
+ a = src[0];
+ des[0] = (unsigned char)(a);
+ src += 2;
+ des += 1;
+ }
+}
+
+void vp8_vertical_band_2_1_scale_c(unsigned char *source,
+ unsigned int src_pitch, unsigned char *dest,
+ unsigned int dest_pitch,
+ unsigned int dest_width) {
+ (void)dest_pitch;
+ (void)src_pitch;
+ memcpy(dest, source, dest_width);
+}
+
+void vp8_vertical_band_2_1_scale_i_c(unsigned char *source,
+ unsigned int src_pitch,
+ unsigned char *dest,
+ unsigned int dest_pitch,
+ unsigned int dest_width) {
+ int i;
+ int temp;
+ int width = dest_width;
+
+ (void)dest_pitch;
+
+ for (i = 0; i < width; i++) {
+ temp = 8;
+ temp += source[i - (int)src_pitch] * 3;
+ temp += source[i] * 10;
+ temp += source[i + src_pitch] * 3;
+ temp >>= 4;
+ dest[i] = (unsigned char)(temp);
+ }
+}
diff --git a/media/libvpx/libvpx/vpx_scale/generic/vpx_scale.c b/media/libvpx/libvpx/vpx_scale/generic/vpx_scale.c
new file mode 100644
index 0000000000..958bb320fc
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/generic/vpx_scale.c
@@ -0,0 +1,529 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+/****************************************************************************
+ *
+ * Module Title : scale.c
+ *
+ * Description : Image scaling functions.
+ *
+ ***************************************************************************/
+
+/****************************************************************************
+ * Header Files
+ ****************************************************************************/
+#include "./vpx_scale_rtcd.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_scale/vpx_scale.h"
+#include "vpx_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) {
+ unsigned int i, j;
+ unsigned int temp;
+ int source_pitch = source_step;
+ (void)source_length;
+ (void)source_scale;
+ (void)dest_scale;
+
+ source_step *= 2;
+ dest[0] = source[0];
+
+ for (i = dest_step, j = source_step; i < dest_length * dest_step;
+ i += dest_step, j += source_step) {
+ temp = 8;
+ temp += 3 * source[j - source_pitch];
+ temp += 10 * source[j];
+ temp += 3 * source[j + source_pitch];
+ temp >>= 4;
+ dest[i] = (char)(temp);
+ }
+}
+
+/****************************************************************************
+ *
+ * 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) {
+ unsigned int i, j;
+
+ (void)source_length;
+ (void)source_scale;
+ (void)dest_scale;
+
+ source_step *= 2;
+ j = 0;
+
+ for (i = 0; i < dest_length * dest_step; i += dest_step, j += source_step)
+ dest[i] = source[j];
+}
+/****************************************************************************
+ *
+ * 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) {
+ unsigned int i;
+ unsigned int round_value = dest_scale / 2;
+ unsigned int left_modifier = dest_scale;
+ unsigned int right_modifier = 0;
+ unsigned char left_pixel = *source;
+ 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
+ * );*/
+
+ for (i = 0; i < dest_length * dest_step; i += dest_step) {
+ dest[i] = (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;
+ 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;
+ int bands;
+ int dest_band_height;
+ 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 *, unsigned int, unsigned char *,
+ unsigned 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 = vp8_horizontal_line_5_4_scale;
+ break;
+ case 6:
+ /* 3-5 Scale in Width direction */
+ horiz_line_scale = vp8_horizontal_line_5_3_scale;
+ break;
+ case 5:
+ /* 1-2 Scale in Width direction */
+ horiz_line_scale = vp8_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 = vp8_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 = vp8_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 = vp8_vertical_band_2_1_scale;
+ } else {
+ interpolation = 1;
+ /* if the content is progressive, interplo */
+ vert_band_scale = vp8_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 < (int)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 < (int)(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 = (unsigned char *)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 < (int)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 < (int)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 < (int)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 : vpx_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 vpx_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) {
+ int i;
+ int dw = (hscale - 1 + src->y_width * hratio) / hscale;
+ int dh = (vscale - 1 + src->y_height * vratio) / vscale;
+
+ /* call our internal scaling routines!! */
+ Scale2D((unsigned char *)src->y_buffer, src->y_stride, src->y_width,
+ src->y_height, (unsigned char *)dst->y_buffer, dst->y_stride, dw, dh,
+ temp_area, temp_height, hscale, hratio, vscale, vratio, interlaced);
+
+ if (dw < (int)dst->y_width)
+ for (i = 0; i < dh; i++)
+ memset(dst->y_buffer + i * dst->y_stride + dw - 1,
+ dst->y_buffer[i * dst->y_stride + dw - 2], dst->y_width - dw + 1);
+
+ if (dh < (int)dst->y_height)
+ for (i = dh - 1; i < (int)dst->y_height; i++)
+ memcpy(dst->y_buffer + i * dst->y_stride,
+ dst->y_buffer + (dh - 2) * dst->y_stride, dst->y_width + 1);
+
+ Scale2D((unsigned char *)src->u_buffer, src->uv_stride, src->uv_width,
+ src->uv_height, (unsigned char *)dst->u_buffer, dst->uv_stride,
+ dw / 2, dh / 2, temp_area, temp_height, hscale, hratio, vscale,
+ vratio, interlaced);
+
+ if (dw / 2 < (int)dst->uv_width)
+ for (i = 0; i < dst->uv_height; i++)
+ memset(dst->u_buffer + i * dst->uv_stride + dw / 2 - 1,
+ dst->u_buffer[i * dst->uv_stride + dw / 2 - 2],
+ dst->uv_width - dw / 2 + 1);
+
+ if (dh / 2 < (int)dst->uv_height)
+ for (i = dh / 2 - 1; i < (int)dst->y_height / 2; i++)
+ memcpy(dst->u_buffer + i * dst->uv_stride,
+ dst->u_buffer + (dh / 2 - 2) * dst->uv_stride, dst->uv_width);
+
+ Scale2D((unsigned char *)src->v_buffer, src->uv_stride, src->uv_width,
+ src->uv_height, (unsigned char *)dst->v_buffer, dst->uv_stride,
+ dw / 2, dh / 2, temp_area, temp_height, hscale, hratio, vscale,
+ vratio, interlaced);
+
+ if (dw / 2 < (int)dst->uv_width)
+ for (i = 0; i < dst->uv_height; i++)
+ memset(dst->v_buffer + i * dst->uv_stride + dw / 2 - 1,
+ dst->v_buffer[i * dst->uv_stride + dw / 2 - 2],
+ dst->uv_width - dw / 2 + 1);
+
+ if (dh / 2 < (int)dst->uv_height)
+ for (i = dh / 2 - 1; i < (int)dst->y_height / 2; i++)
+ memcpy(dst->v_buffer + i * dst->uv_stride,
+ dst->v_buffer + (dh / 2 - 2) * dst->uv_stride, dst->uv_width);
+}
diff --git a/media/libvpx/libvpx/vpx_scale/generic/yv12config.c b/media/libvpx/libvpx/vpx_scale/generic/yv12config.c
new file mode 100644
index 0000000000..c52dab0588
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/generic/yv12config.c
@@ -0,0 +1,308 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+#include <limits.h>
+
+#include "vpx_scale/yv12config.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem.h"
+
+#if defined(VPX_MAX_ALLOCABLE_MEMORY)
+#include "vp9/common/vp9_onyxc_int.h"
+#endif // VPX_MAX_ALLOCABLE_MEMORY
+/****************************************************************************
+ * Exports
+ ****************************************************************************/
+
+/****************************************************************************
+ *
+ ****************************************************************************/
+#define yv12_align_addr(addr, align) \
+ (void *)(((size_t)(addr) + ((align)-1)) & (size_t) - (align))
+
+int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
+ if (ybf) {
+ // If libvpx is using frame buffer callbacks then buffer_alloc_sz must
+ // not be set.
+ if (ybf->buffer_alloc_sz > 0) {
+ vpx_free(ybf->buffer_alloc);
+ }
+
+ /* 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 vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width,
+ int height, int border) {
+ if (ybf) {
+ int aligned_width = (width + 15) & ~15;
+ int aligned_height = (height + 15) & ~15;
+ int y_stride = ((aligned_width + 2 * border) + 31) & ~31;
+ int yplane_size = (aligned_height + 2 * border) * y_stride;
+ int uv_width = aligned_width >> 1;
+ int uv_height = aligned_height >> 1;
+ /** There is currently a bunch of code which assumes
+ * uv_stride == y_stride/2, so enforce this here. */
+ int uv_stride = y_stride >> 1;
+ int uvplane_size = (uv_height + border) * uv_stride;
+ const size_t frame_size = yplane_size + 2 * uvplane_size;
+
+ if (!ybf->buffer_alloc) {
+ ybf->buffer_alloc = (uint8_t *)vpx_memalign(32, frame_size);
+ if (!ybf->buffer_alloc) {
+ ybf->buffer_alloc_sz = 0;
+ return -1;
+ }
+#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, frame_size);
+#endif
+#endif
+ ybf->buffer_alloc_sz = frame_size;
+ }
+
+ if (ybf->buffer_alloc_sz < frame_size) return -1;
+
+ /* 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
+ * vpx_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 + 1) / 2;
+ ybf->uv_crop_height = (height + 1) / 2;
+ ybf->uv_width = uv_width;
+ ybf->uv_height = uv_height;
+ ybf->uv_stride = uv_stride;
+
+ ybf->alpha_width = 0;
+ ybf->alpha_height = 0;
+ ybf->alpha_stride = 0;
+
+ ybf->border = border;
+ ybf->frame_size = frame_size;
+
+ ybf->y_buffer = ybf->buffer_alloc + (border * y_stride) + border;
+ ybf->u_buffer =
+ ybf->buffer_alloc + yplane_size + (border / 2 * uv_stride) + border / 2;
+ ybf->v_buffer = ybf->buffer_alloc + yplane_size + uvplane_size +
+ (border / 2 * uv_stride) + border / 2;
+ ybf->alpha_buffer = NULL;
+
+ ybf->corrupted = 0; /* assume not currupted by errors */
+ return 0;
+ }
+ return -2;
+}
+
+int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int border) {
+ if (ybf) {
+ vp8_yv12_de_alloc_frame_buffer(ybf);
+ return vp8_yv12_realloc_frame_buffer(ybf, width, height, border);
+ }
+ return -2;
+}
+
+#if CONFIG_VP9
+// TODO(jkoleszar): Maybe replace this with struct vpx_image
+
+int vpx_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
+ if (ybf) {
+ if (ybf->buffer_alloc_sz > 0) {
+ vpx_free(ybf->buffer_alloc);
+ }
+
+ /* 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 vpx_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ int use_highbitdepth,
+#endif
+ int border, int byte_alignment,
+ vpx_codec_frame_buffer_t *fb,
+ vpx_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
+
+ /* 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
+ * vpx_img_set_rect(). */
+ if (border & 0x1f) return -3;
+
+ if (ybf) {
+ const int vp9_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;
+
+#if CONFIG_VP9_HIGHBITDEPTH
+ const uint64_t frame_size =
+ (1 + use_highbitdepth) * (yplane_size + 2 * uvplane_size);
+#else
+ const uint64_t frame_size = yplane_size + 2 * uvplane_size;
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+ uint8_t *buf = NULL;
+
+#if defined(VPX_MAX_ALLOCABLE_MEMORY)
+ // 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 (frame_size > VPX_MAX_ALLOCABLE_MEMORY / REF_FRAMES) return -1;
+#endif // VPX_MAX_ALLOCABLE_MEMORY
+
+ // frame_size is stored in buffer_alloc_sz, which is a size_t. If it won't
+ // fit, fail early.
+ if (frame_size > SIZE_MAX) {
+ return -1;
+ }
+
+ 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 > ybf->buffer_alloc_sz) {
+ // Allocation to hold larger frame, or first allocation.
+ vpx_free(ybf->buffer_alloc);
+ ybf->buffer_alloc = NULL;
+ ybf->buffer_alloc_sz = 0;
+
+ ybf->buffer_alloc = (uint8_t *)vpx_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);
+ }
+
+ 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 CONFIG_VP9_HIGHBITDEPTH
+ 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;
+ }
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+ ybf->y_buffer = (uint8_t *)yv12_align_addr(
+ buf + (border * y_stride) + border, vp9_byte_align);
+ ybf->u_buffer = (uint8_t *)yv12_align_addr(
+ buf + yplane_size + (uv_border_h * uv_stride) + uv_border_w,
+ vp9_byte_align);
+ ybf->v_buffer =
+ (uint8_t *)yv12_align_addr(buf + yplane_size + uvplane_size +
+ (uv_border_h * uv_stride) + uv_border_w,
+ vp9_byte_align);
+
+ ybf->corrupted = 0; /* assume not corrupted by errors */
+ return 0;
+ }
+ return -2;
+}
+
+int vpx_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ int use_highbitdepth,
+#endif
+ int border, int byte_alignment) {
+ if (ybf) {
+ vpx_free_frame_buffer(ybf);
+ return vpx_realloc_frame_buffer(ybf, width, height, ss_x, ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ use_highbitdepth,
+#endif
+ border, byte_alignment, NULL, NULL, NULL);
+ }
+ return -2;
+}
+#endif
diff --git a/media/libvpx/libvpx/vpx_scale/generic/yv12extend.c b/media/libvpx/libvpx/vpx_scale/generic/yv12extend.c
new file mode 100644
index 0000000000..e231806505
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/generic/yv12extend.c
@@ -0,0 +1,335 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+#include "./vpx_config.h"
+#include "./vpx_scale_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem.h"
+#include "vpx_scale/yv12config.h"
+#if CONFIG_VP9_HIGHBITDEPTH
+#include "vp9/common/vp9_common.h"
+#endif
+
+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;
+ }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+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) {
+ vpx_memset16(dst_ptr1, src_ptr1[0], extend_left);
+ vpx_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;
+ }
+}
+#endif
+
+void vp8_yv12_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf) {
+ const int uv_border = ybf->border / 2;
+
+ 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);
+
+ extend_plane(ybf->y_buffer, ybf->y_stride, ybf->y_crop_width,
+ ybf->y_crop_height, ybf->border, ybf->border,
+ ybf->border + ybf->y_height - ybf->y_crop_height,
+ ybf->border + ybf->y_width - ybf->y_crop_width);
+
+ extend_plane(ybf->u_buffer, ybf->uv_stride, ybf->uv_crop_width,
+ ybf->uv_crop_height, uv_border, uv_border,
+ uv_border + ybf->uv_height - ybf->uv_crop_height,
+ uv_border + ybf->uv_width - ybf->uv_crop_width);
+
+ extend_plane(ybf->v_buffer, ybf->uv_stride, ybf->uv_crop_width,
+ ybf->uv_crop_height, uv_border, uv_border,
+ uv_border + ybf->uv_height - ybf->uv_crop_height,
+ uv_border + ybf->uv_width - ybf->uv_crop_width);
+}
+
+#if CONFIG_VP9
+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);
+
+#if CONFIG_VP9_HIGHBITDEPTH
+ 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);
+ extend_plane_high(ybf->u_buffer, ybf->uv_stride, c_w, c_h, c_et, c_el, c_eb,
+ c_er);
+ extend_plane_high(ybf->v_buffer, ybf->uv_stride, c_w, c_h, c_et, c_el, c_eb,
+ c_er);
+ return;
+ }
+#endif
+ 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 vpx_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf) {
+ extend_frame(ybf, ybf->border);
+}
+
+void vpx_extend_frame_inner_borders_c(YV12_BUFFER_CONFIG *ybf) {
+ const int inner_bw = (ybf->border > VP9INNERBORDERINPIXELS)
+ ? VP9INNERBORDERINPIXELS
+ : ybf->border;
+ extend_frame(ybf, inner_bw);
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+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));
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
+#endif // CONFIG_VP9
+
+// 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 vp8_yv12_copy_frame_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 0
+ /* These assertions are valid in the codec, but the libvpx-tester uses
+ * this code slightly differently.
+ */
+ assert(src_ybc->y_width == dst_ybc->y_width);
+ assert(src_ybc->y_height == dst_ybc->y_height);
+#endif
+
+ 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;
+ }
+
+ src = src_ybc->u_buffer;
+ dst = dst_ybc->u_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ src = src_ybc->v_buffer;
+ dst = dst_ybc->v_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ vp8_yv12_extend_frame_borders_c(dst_ybc);
+}
+
+#if CONFIG_VP9
+void vpx_yv12_copy_frame_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 0
+ /* These assertions are valid in the codec, but the libvpx-tester uses
+ * this code slightly differently.
+ */
+ assert(src_ybc->y_width == dst_ybc->y_width);
+ assert(src_ybc->y_height == dst_ybc->y_height);
+#endif
+
+#if CONFIG_VP9_HIGHBITDEPTH
+ if (src_ybc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ assert(dst_ybc->flags & YV12_FLAG_HIGHBITDEPTH);
+ for (row = 0; row < src_ybc->y_height; ++row) {
+ memcpy_short_addr(dst, src, src_ybc->y_width);
+ src += src_ybc->y_stride;
+ dst += dst_ybc->y_stride;
+ }
+
+ src = src_ybc->u_buffer;
+ dst = dst_ybc->u_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy_short_addr(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ src = src_ybc->v_buffer;
+ dst = dst_ybc->v_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy_short_addr(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ vpx_extend_frame_borders_c(dst_ybc);
+ return;
+ } else {
+ assert(!(dst_ybc->flags & YV12_FLAG_HIGHBITDEPTH));
+ }
+#endif
+
+ 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;
+ }
+
+ src = src_ybc->u_buffer;
+ dst = dst_ybc->u_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ src = src_ybc->v_buffer;
+ dst = dst_ybc->v_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ vpx_extend_frame_borders_c(dst_ybc);
+}
+#endif // CONFIG_VP9
+
+void vpx_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 CONFIG_VP9_HIGHBITDEPTH
+ 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;
+ }
+#endif
+
+ 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;
+ }
+}
diff --git a/media/libvpx/libvpx/vpx_scale/mips/dspr2/yv12extend_dspr2.c b/media/libvpx/libvpx/vpx_scale/mips/dspr2/yv12extend_dspr2.c
new file mode 100644
index 0000000000..d3d1b07f45
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/mips/dspr2/yv12extend_dspr2.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+
+#include "./vpx_config.h"
+#include "vpx_scale/yv12config.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_scale/vpx_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 vpx_extend_frame_borders_dspr2(YV12_BUFFER_CONFIG *ybf) {
+ extend_frame(ybf, ybf->border);
+}
+
+void vpx_extend_frame_inner_borders_dspr2(YV12_BUFFER_CONFIG *ybf) {
+ const int inner_bw = (ybf->border > VP9INNERBORDERINPIXELS)
+ ? VP9INNERBORDERINPIXELS
+ : ybf->border;
+ extend_frame(ybf, inner_bw);
+}
+#endif
diff --git a/media/libvpx/libvpx/vpx_scale/vpx_scale.h b/media/libvpx/libvpx/vpx_scale/vpx_scale.h
new file mode 100644
index 0000000000..fd5ba7ccdc
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/vpx_scale.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VPX_SCALE_VPX_SCALE_H_
+#define VPX_VPX_SCALE_VPX_SCALE_H_
+
+#include "vpx_scale/yv12config.h"
+
+extern void vpx_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);
+
+#endif // VPX_VPX_SCALE_VPX_SCALE_H_
diff --git a/media/libvpx/libvpx/vpx_scale/vpx_scale.mk b/media/libvpx/libvpx/vpx_scale/vpx_scale.mk
new file mode 100644
index 0000000000..a49abf3b4b
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/vpx_scale.mk
@@ -0,0 +1,16 @@
+SCALE_SRCS-yes += vpx_scale.mk
+SCALE_SRCS-yes += yv12config.h
+SCALE_SRCS-$(CONFIG_SPATIAL_RESAMPLING) += vpx_scale.h
+SCALE_SRCS-$(CONFIG_SPATIAL_RESAMPLING) += generic/vpx_scale.c
+SCALE_SRCS-yes += generic/yv12config.c
+SCALE_SRCS-yes += generic/yv12extend.c
+SCALE_SRCS-$(CONFIG_SPATIAL_RESAMPLING) += generic/gen_scalers.c
+SCALE_SRCS-yes += vpx_scale_rtcd.c
+SCALE_SRCS-yes += vpx_scale_rtcd.pl
+
+#mips(dspr2)
+SCALE_SRCS-$(HAVE_DSPR2) += mips/dspr2/yv12extend_dspr2.c
+
+SCALE_SRCS-no += $(SCALE_SRCS_REMOVE-yes)
+
+$(eval $(call rtcd_h_template,vpx_scale_rtcd,vpx_scale/vpx_scale_rtcd.pl))
diff --git a/media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.c b/media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.c
new file mode 100644
index 0000000000..dc4d9593a8
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.c
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2011 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#include "./vpx_config.h"
+#define RTCD_C
+#include "./vpx_scale_rtcd.h"
+#include "vpx_ports/vpx_once.h"
+
+void vpx_scale_rtcd() { once(setup_rtcd_internal); }
diff --git a/media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.pl b/media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.pl
new file mode 100644
index 0000000000..1281071a7d
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/vpx_scale_rtcd.pl
@@ -0,0 +1,44 @@
+##
+## Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+##
+## Use of this source code is governed by a BSD-style license
+## that can be found in the LICENSE file in the root of the source
+## tree. An additional intellectual property rights grant can be found
+## in the file PATENTS. All contributing project authors may
+## be found in the AUTHORS file in the root of the source tree.
+##
+
+sub vpx_scale_forward_decls() {
+print <<EOF
+struct yv12_buffer_config;
+EOF
+}
+forward_decls qw/vpx_scale_forward_decls/;
+
+# Scaler functions
+if (vpx_config("CONFIG_SPATIAL_RESAMPLING") eq "yes") {
+ add_proto qw/void vp8_horizontal_line_5_4_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
+ add_proto qw/void vp8_vertical_band_5_4_scale/, "unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width";
+ add_proto qw/void vp8_horizontal_line_5_3_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
+ add_proto qw/void vp8_vertical_band_5_3_scale/, "unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width";
+ add_proto qw/void vp8_horizontal_line_2_1_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
+ add_proto qw/void vp8_vertical_band_2_1_scale/, "unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width";
+ add_proto qw/void vp8_vertical_band_2_1_scale_i/, "unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width";
+}
+
+add_proto qw/void vp8_yv12_extend_frame_borders/, "struct yv12_buffer_config *ybf";
+
+add_proto qw/void vp8_yv12_copy_frame/, "const struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc";
+
+add_proto qw/void vpx_yv12_copy_y/, "const struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc";
+
+if (vpx_config("CONFIG_VP9") eq "yes") {
+ add_proto qw/void vpx_yv12_copy_frame/, "const struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc";
+
+ add_proto qw/void vpx_extend_frame_borders/, "struct yv12_buffer_config *ybf";
+ specialize qw/vpx_extend_frame_borders dspr2/;
+
+ add_proto qw/void vpx_extend_frame_inner_borders/, "struct yv12_buffer_config *ybf";
+ specialize qw/vpx_extend_frame_inner_borders dspr2/;
+}
+1;
diff --git a/media/libvpx/libvpx/vpx_scale/yv12config.h b/media/libvpx/libvpx/vpx_scale/yv12config.h
new file mode 100644
index 0000000000..2cf18217f6
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_scale/yv12config.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VPX_SCALE_YV12CONFIG_H_
+#define VPX_VPX_SCALE_YV12CONFIG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "./vpx_config.h"
+#include "vpx/vpx_codec.h"
+#include "vpx/vpx_frame_buffer.h"
+#include "vpx/vpx_integer.h"
+
+#define VP8BORDERINPIXELS 32
+#define VP9INNERBORDERINPIXELS 96
+#define VP9_INTERP_EXTEND 4
+#define VP9_ENC_BORDER_IN_PIXELS 160
+#define VP9_DEC_BORDER_IN_PIXELS 32
+
+typedef struct yv12_buffer_config {
+ int y_width;
+ int y_height;
+ int y_crop_width;
+ int y_crop_height;
+ int y_stride;
+
+ int uv_width;
+ int uv_height;
+ int uv_crop_width;
+ int uv_crop_height;
+ int uv_stride;
+
+ int alpha_width;
+ int alpha_height;
+ int alpha_stride;
+
+ uint8_t *y_buffer;
+ uint8_t *u_buffer;
+ uint8_t *v_buffer;
+ uint8_t *alpha_buffer;
+
+ 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;
+ vpx_color_space_t color_space;
+ vpx_color_range_t color_range;
+ int render_width;
+ int render_height;
+
+ int corrupted;
+ int flags;
+} YV12_BUFFER_CONFIG;
+
+#define YV12_FLAG_HIGHBITDEPTH 8
+
+int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int border);
+int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width,
+ int height, int border);
+int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+int vpx_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ int use_highbitdepth,
+#endif
+ 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 libvpx is using the frame buffer callbacks to handle memory.
+// If cb is not NULL, libvpx will call cb with minimum size in bytes needed
+// to decode the current frame. If cb is NULL, libvpx will allocate memory
+// internally to decode the current frame. Returns 0 on success. Returns < 0
+// on failure.
+int vpx_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ int use_highbitdepth,
+#endif
+ int border, int byte_alignment,
+ vpx_codec_frame_buffer_t *fb,
+ vpx_get_frame_buffer_cb_fn_t cb, void *cb_priv);
+int vpx_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VPX_VPX_SCALE_YV12CONFIG_H_
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-10 15:26:43 +0000