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Merge "Begin to refactor vpx_scale usage in VP9" into experimental

This commit is contained in:
Johann 2012-12-04 15:23:42 -08:00 коммит произвёл Gerrit Code Review
Родитель 806d05e1a8 c6bd29e2f5
Коммит d138262ac0
17 изменённых файлов: 5 добавлений и 3190 удалений
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1
vp9/common/vp9_postproc.c
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@ -16,6 +16,7 @@
#include "vpx_scale/vpxscale.h"
#include "vp9/common/vp9_systemdependent.h"
#include "./vp9_rtcd.h"
#include "./vpx_scale_rtcd.h"
#include <math.h>

36
vp9/common/vp9_rtcd_defs.sh
Просмотреть файл

@ -677,39 +677,3 @@ specialize vp9_yv12_copy_partial_frame
fi
# end encoder functions
# Scaler functions
if [ "$CONFIG_SPATIAL_RESAMPLING" = "yes" ]; then
prototype void vp8_horizontal_line_4_5_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_4_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_4_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_2_3_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_2_3_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_2_3_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_3_5_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_3_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_3_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_3_4_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_3_4_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_3_4_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_1_2_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_1_2_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_1_2_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_5_4_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype 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"
prototype void vp8_horizontal_line_5_3_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype 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"
prototype void vp8_horizontal_line_2_1_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype 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"
prototype 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"
fi
prototype void vp8_yv12_extend_frame_borders "struct yv12_buffer_config *ybf"
specialize vp8_yv12_extend_frame_borders
prototype void vp8_yv12_copy_frame "struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc"
specialize vp8_yv12_copy_frame
prototype void vp8_yv12_copy_y "struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc"
specialize vp8_yv12_copy_y

1
vp9/decoder/vp9_onyxd_if.c
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@ -28,6 +28,7 @@
#include "vpx_ports/vpx_timer.h"
#include "vp9/decoder/vp9_decodframe.h"
#include "vp9/decoder/vp9_detokenize.h"
#include "./vpx_scale_rtcd.h"
static int get_free_fb(VP9_COMMON *cm);
static void ref_cnt_fb(int *buf, int *idx, int new_idx);

1
vp9/encoder/vp9_firstpass.c
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@ -31,6 +31,7 @@
#include "vp9/common/vp9_quant_common.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/encoder/vp9_encodemv.h"
#include "./vpx_scale_rtcd.h"
#define OUTPUT_FPF 0

1
vp9/encoder/vp9_onyx_if.c
Просмотреть файл

@ -24,6 +24,7 @@
#include "vp9/common/vp9_quant_common.h"
#include "vp9/encoder/vp9_segmentation.h"
#include "./vp9_rtcd.h"
#include "./vpx_scale_rtcd.h"
#if CONFIG_POSTPROC
#include "vp9/common/vp9_postproc.h"
#endif

1
vp9/encoder/vp9_picklpf.c
Просмотреть файл

@ -17,6 +17,7 @@
#include "vpx_scale/vpxscale.h"
#include "vp9/common/vp9_alloccommon.h"
#include "vp9/common/vp9_loopfilter.h"
#include "./vpx_scale_rtcd.h"
void vp9_yv12_copy_partial_frame_c(YV12_BUFFER_CONFIG *src_ybc,
YV12_BUFFER_CONFIG *dst_ybc, int Fraction) {

569
vpx_scale/generic/bicubic_scaler.c
Просмотреть файл

@ -1,569 +0,0 @@
/*
* 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 <float.h>
#include <math.h>
#include <stdio.h>
#include "vpx_mem/vpx_mem.h"
#include "vpxscale_arbitrary.h"
#define FIXED_POINT
#define MAX_IN_WIDTH 800
#define MAX_IN_HEIGHT 600
#define MAX_OUT_WIDTH 800
#define MAX_OUT_HEIGHT 600
#define MAX_OUT_DIMENSION ((MAX_OUT_WIDTH > MAX_OUT_HEIGHT) ? \
MAX_OUT_WIDTH : MAX_OUT_HEIGHT)
BICUBIC_SCALER_STRUCT g_b_scaler;
static int g_first_time = 1;
#pragma DATA_SECTION(g_hbuf, "VP6_HEAP")
#pragma DATA_ALIGN (g_hbuf, 32);
unsigned char g_hbuf[MAX_OUT_DIMENSION];
#pragma DATA_SECTION(g_hbuf_uv, "VP6_HEAP")
#pragma DATA_ALIGN (g_hbuf_uv, 32);
unsigned char g_hbuf_uv[MAX_OUT_DIMENSION];
#ifdef FIXED_POINT
static int a_i = 0.6 * 65536;
#else
static float a = -0.6;
#endif
#ifdef FIXED_POINT
// 3 2
// C0 = a*t - a*t
//
static short c0_fixed(unsigned int t) {
// put t in Q16 notation
unsigned short v1, v2;
// Q16
v1 = (a_i * t) >> 16;
v1 = (v1 * t) >> 16;
// Q16
v2 = (a_i * t) >> 16;
v2 = (v2 * t) >> 16;
v2 = (v2 * t) >> 16;
// Q12
return -((v1 - v2) >> 4);
}
// 2 3
// C1 = a*t + (3-2*a)*t - (2-a)*t
//
static short c1_fixed(unsigned int t) {
unsigned short v1, v2, v3;
unsigned short two, three;
// Q16
v1 = (a_i * t) >> 16;
// Q13
two = 2 << 13;
v2 = two - (a_i >> 3);
v2 = (v2 * t) >> 16;
v2 = (v2 * t) >> 16;
v2 = (v2 * t) >> 16;
// Q13
three = 3 << 13;
v3 = three - (2 * (a_i >> 3));
v3 = (v3 * t) >> 16;
v3 = (v3 * t) >> 16;
// Q12
return (((v1 >> 3) - v2 + v3) >> 1);
}
// 2 3
// C2 = 1 - (3-a)*t + (2-a)*t
//
static short c2_fixed(unsigned int t) {
unsigned short v1, v2, v3;
unsigned short two, three;
// Q13
v1 = 1 << 13;
// Q13
three = 3 << 13;
v2 = three - (a_i >> 3);
v2 = (v2 * t) >> 16;
v2 = (v2 * t) >> 16;
// Q13
two = 2 << 13;
v3 = two - (a_i >> 3);
v3 = (v3 * t) >> 16;
v3 = (v3 * t) >> 16;
v3 = (v3 * t) >> 16;
// Q12
return (v1 - v2 + v3) >> 1;
}
// 2 3
// C3 = a*t - 2*a*t + a*t
//
static short c3_fixed(unsigned int t) {
int v1, v2, v3;
// Q16
v1 = (a_i * t) >> 16;
// Q15
v2 = 2 * (a_i >> 1);
v2 = (v2 * t) >> 16;
v2 = (v2 * t) >> 16;
// Q16
v3 = (a_i * t) >> 16;
v3 = (v3 * t) >> 16;
v3 = (v3 * t) >> 16;
// Q12
return ((v2 - (v1 >> 1) - (v3 >> 1)) >> 3);
}
#else
// 3 2
// C0 = -a*t + a*t
//
float C0(float t) {
return -a * t * t * t + a * t * t;
}
// 2 3
// C1 = -a*t + (2*a+3)*t - (a+2)*t
//
float C1(float t) {
return -(a + 2.0f) * t * t * t + (2.0f * a + 3.0f) * t * t - a * t;
}
// 2 3
// C2 = 1 - (a+3)*t + (a+2)*t
//
float C2(float t) {
return (a + 2.0f) * t * t * t - (a + 3.0f) * t * t + 1.0f;
}
// 2 3
// C3 = a*t - 2*a*t + a*t
//
float C3(float t) {
return a * t * t * t - 2.0f * a * t * t + a * t;
}
#endif
#if 0
int compare_real_fixed() {
int i, errors = 0;
float mult = 1.0 / 10000.0;
unsigned int fixed_mult = mult * 4294967296;// 65536;
unsigned int phase_offset_int;
float phase_offset_real;
for (i = 0; i < 10000; i++) {
int fixed0, fixed1, fixed2, fixed3, fixed_total;
int real0, real1, real2, real3, real_total;
phase_offset_real = (float)i * mult;
phase_offset_int = (fixed_mult * i) >> 16;
// phase_offset_int = phase_offset_real * 65536;
fixed0 = c0_fixed(phase_offset_int);
real0 = C0(phase_offset_real) * 4096.0;
if ((abs(fixed0) > (abs(real0) + 1)) || (abs(fixed0) < (abs(real0) - 1)))
errors++;
fixed1 = c1_fixed(phase_offset_int);
real1 = C1(phase_offset_real) * 4096.0;
if ((abs(fixed1) > (abs(real1) + 1)) || (abs(fixed1) < (abs(real1) - 1)))
errors++;
fixed2 = c2_fixed(phase_offset_int);
real2 = C2(phase_offset_real) * 4096.0;
if ((abs(fixed2) > (abs(real2) + 1)) || (abs(fixed2) < (abs(real2) - 1)))
errors++;
fixed3 = c3_fixed(phase_offset_int);
real3 = C3(phase_offset_real) * 4096.0;
if ((abs(fixed3) > (abs(real3) + 1)) || (abs(fixed3) < (abs(real3) - 1)))
errors++;
fixed_total = fixed0 + fixed1 + fixed2 + fixed3;
real_total = real0 + real1 + real2 + real3;
if ((fixed_total > 4097) || (fixed_total < 4094))
errors++;
if ((real_total > 4097) || (real_total < 4095))
errors++;
}
return errors;
}
#endif
// Find greatest common denominator between two integers. Method used here is
// slow compared to Euclid's algorithm, but does not require any division.
int gcd(int a, int b) {
// Problem with this algorithm is that if a or b = 0 this function
// will never exit. Don't want to return 0 because any computation
// that was based on a common denoninator and tried to reduce by
// dividing by 0 would fail. Best solution that could be thought of
// would to be fail by returing a 1;
if (a <= 0 || b <= 0)
return 1;
while (a != b) {
if (b > a)
b = b - a;
else {
int tmp = a;// swap large and
a = b; // small
b = tmp;
}
}
return b;
}
void bicubic_coefficient_init() {
vpx_memset(&g_b_scaler, 0, sizeof(BICUBIC_SCALER_STRUCT));
g_first_time = 0;
}
void bicubic_coefficient_destroy() {
if (!g_first_time) {
vpx_free(g_b_scaler.l_w);
vpx_free(g_b_scaler.l_h);
vpx_free(g_b_scaler.l_h_uv);
vpx_free(g_b_scaler.c_w);
vpx_free(g_b_scaler.c_h);
vpx_free(g_b_scaler.c_h_uv);
vpx_memset(&g_b_scaler, 0, sizeof(BICUBIC_SCALER_STRUCT));
}
}
// Create the coeffients that will be used for the cubic interpolation.
// Because scaling does not have to be equal in the vertical and horizontal
// regimes the phase offsets will be different. There are 4 coefficents
// for each point, two on each side. The layout is that there are the
// 4 coefficents for each phase in the array and then the next phase.
int bicubic_coefficient_setup(int in_width, int in_height, int out_width, int out_height) {
int i;
#ifdef FIXED_POINT
int phase_offset_int;
unsigned int fixed_mult;
int product_val = 0;
#else
float phase_offset;
#endif
int gcd_w, gcd_h, gcd_h_uv, d_w, d_h, d_h_uv;
if (g_first_time)
bicubic_coefficient_init();
// check to see if the coefficents have already been set up correctly
if ((in_width == g_b_scaler.in_width) && (in_height == g_b_scaler.in_height)
&& (out_width == g_b_scaler.out_width) && (out_height == g_b_scaler.out_height))
return 0;
g_b_scaler.in_width = in_width;
g_b_scaler.in_height = in_height;
g_b_scaler.out_width = out_width;
g_b_scaler.out_height = out_height;
// Don't want to allow crazy scaling, just try and prevent a catastrophic
// failure here. Want to fail after setting the member functions so if
// if the scaler is called the member functions will not scale.
if (out_width <= 0 || out_height <= 0)
return -1;
// reduce in/out width and height ratios using the gcd
gcd_w = gcd(out_width, in_width);
gcd_h = gcd(out_height, in_height);
gcd_h_uv = gcd(out_height, in_height / 2);
// the numerator width and height are to be saved in
// globals so they can be used during the scaling process
// without having to be recalculated.
g_b_scaler.nw = out_width / gcd_w;
d_w = in_width / gcd_w;
g_b_scaler.nh = out_height / gcd_h;
d_h = in_height / gcd_h;
g_b_scaler.nh_uv = out_height / gcd_h_uv;
d_h_uv = (in_height / 2) / gcd_h_uv;
// allocate memory for the coefficents
vpx_free(g_b_scaler.l_w);
vpx_free(g_b_scaler.l_h);
vpx_free(g_b_scaler.l_h_uv);
g_b_scaler.l_w = (short *)vpx_memalign(32, out_width * 2);
g_b_scaler.l_h = (short *)vpx_memalign(32, out_height * 2);
g_b_scaler.l_h_uv = (short *)vpx_memalign(32, out_height * 2);
vpx_free(g_b_scaler.c_w);
vpx_free(g_b_scaler.c_h);
vpx_free(g_b_scaler.c_h_uv);
g_b_scaler.c_w = (short *)vpx_memalign(32, g_b_scaler.nw * 4 * 2);
g_b_scaler.c_h = (short *)vpx_memalign(32, g_b_scaler.nh * 4 * 2);
g_b_scaler.c_h_uv = (short *)vpx_memalign(32, g_b_scaler.nh_uv * 4 * 2);
g_b_scaler.hbuf = g_hbuf;
g_b_scaler.hbuf_uv = g_hbuf_uv;
// Set up polyphase filter taps. This needs to be done before
// the scaling because of the floating point math required. The
// coefficients are multiplied by 2^12 so that fixed point math
// can be used in the main scaling loop.
#ifdef FIXED_POINT
fixed_mult = (1.0 / (float)g_b_scaler.nw) * 4294967296;
product_val = 0;
for (i = 0; i < g_b_scaler.nw; i++) {
if (product_val > g_b_scaler.nw)
product_val -= g_b_scaler.nw;
phase_offset_int = (fixed_mult * product_val) >> 16;
g_b_scaler.c_w[i * 4] = c3_fixed(phase_offset_int);
g_b_scaler.c_w[i * 4 + 1] = c2_fixed(phase_offset_int);
g_b_scaler.c_w[i * 4 + 2] = c1_fixed(phase_offset_int);
g_b_scaler.c_w[i * 4 + 3] = c0_fixed(phase_offset_int);
product_val += d_w;
}
fixed_mult = (1.0 / (float)g_b_scaler.nh) * 4294967296;
product_val = 0;
for (i = 0; i < g_b_scaler.nh; i++) {
if (product_val > g_b_scaler.nh)
product_val -= g_b_scaler.nh;
phase_offset_int = (fixed_mult * product_val) >> 16;
g_b_scaler.c_h[i * 4] = c0_fixed(phase_offset_int);
g_b_scaler.c_h[i * 4 + 1] = c1_fixed(phase_offset_int);
g_b_scaler.c_h[i * 4 + 2] = c2_fixed(phase_offset_int);
g_b_scaler.c_h[i * 4 + 3] = c3_fixed(phase_offset_int);
product_val += d_h;
}
fixed_mult = (1.0 / (float)g_b_scaler.nh_uv) * 4294967296;
product_val = 0;
for (i = 0; i < g_b_scaler.nh_uv; i++) {
if (product_val > g_b_scaler.nh_uv)
product_val -= g_b_scaler.nh_uv;
phase_offset_int = (fixed_mult * product_val) >> 16;
g_b_scaler.c_h_uv[i * 4] = c0_fixed(phase_offset_int);
g_b_scaler.c_h_uv[i * 4 + 1] = c1_fixed(phase_offset_int);
g_b_scaler.c_h_uv[i * 4 + 2] = c2_fixed(phase_offset_int);
g_b_scaler.c_h_uv[i * 4 + 3] = c3_fixed(phase_offset_int);
product_val += d_h_uv;
}
#else
for (i = 0; i < g_nw; i++) {
phase_offset = (float)((i * d_w) % g_nw) / (float)g_nw;
g_c_w[i * 4] = (C3(phase_offset) * 4096.0);
g_c_w[i * 4 + 1] = (C2(phase_offset) * 4096.0);
g_c_w[i * 4 + 2] = (C1(phase_offset) * 4096.0);
g_c_w[i * 4 + 3] = (C0(phase_offset) * 4096.0);
}
for (i = 0; i < g_nh; i++) {
phase_offset = (float)((i * d_h) % g_nh) / (float)g_nh;
g_c_h[i * 4] = (C0(phase_offset) * 4096.0);
g_c_h[i * 4 + 1] = (C1(phase_offset) * 4096.0);
g_c_h[i * 4 + 2] = (C2(phase_offset) * 4096.0);
g_c_h[i * 4 + 3] = (C3(phase_offset) * 4096.0);
}
for (i = 0; i < g_nh_uv; i++) {
phase_offset = (float)((i * d_h_uv) % g_nh_uv) / (float)g_nh_uv;
g_c_h_uv[i * 4] = (C0(phase_offset) * 4096.0);
g_c_h_uv[i * 4 + 1] = (C1(phase_offset) * 4096.0);
g_c_h_uv[i * 4 + 2] = (C2(phase_offset) * 4096.0);
g_c_h_uv[i * 4 + 3] = (C3(phase_offset) * 4096.0);
}
#endif
// Create an array that corresponds input lines to output lines.
// This doesn't require floating point math, but it does require
// a division and because hardware division is not present that
// is a call.
for (i = 0; i < out_width; i++) {
g_b_scaler.l_w[i] = (i * d_w) / g_b_scaler.nw;
if ((g_b_scaler.l_w[i] + 2) <= in_width)
g_b_scaler.max_usable_out_width = i;
}
for (i = 0; i < out_height + 1; i++) {
g_b_scaler.l_h[i] = (i * d_h) / g_b_scaler.nh;
g_b_scaler.l_h_uv[i] = (i * d_h_uv) / g_b_scaler.nh_uv;
}
return 0;
}
int bicubic_scale(int in_width, int in_height, int in_stride,
int out_width, int out_height, int out_stride,
unsigned char *input_image, unsigned char *output_image) {
short *RESTRICT l_w, * RESTRICT l_h;
short *RESTRICT c_w, * RESTRICT c_h;
unsigned char *RESTRICT ip, * RESTRICT op;
unsigned char *RESTRICT hbuf;
int h, w, lw, lh;
int temp_sum;
int phase_offset_w, phase_offset_h;
c_w = g_b_scaler.c_w;
c_h = g_b_scaler.c_h;
op = output_image;
l_w = g_b_scaler.l_w;
l_h = g_b_scaler.l_h;
phase_offset_h = 0;
for (h = 0; h < out_height; h++) {
// select the row to work on
lh = l_h[h];
ip = input_image + (in_stride * lh);
// vp8_filter the row vertically into an temporary buffer.
// If the phase offset == 0 then all the multiplication
// is going to result in the output equalling the input.
// So instead point the temporary buffer to the input.
// Also handle the boundry condition of not being able to
// filter that last lines.
if (phase_offset_h && (lh < in_height - 2)) {
hbuf = g_b_scaler.hbuf;
for (w = 0; w < in_width; w++) {
temp_sum = c_h[phase_offset_h * 4 + 3] * ip[w - in_stride];
temp_sum += c_h[phase_offset_h * 4 + 2] * ip[w];
temp_sum += c_h[phase_offset_h * 4 + 1] * ip[w + in_stride];
temp_sum += c_h[phase_offset_h * 4] * ip[w + 2 * in_stride];
hbuf[w] = temp_sum >> 12;
}
} else
hbuf = ip;
// increase the phase offset for the next time around.
if (++phase_offset_h >= g_b_scaler.nh)
phase_offset_h = 0;
// now filter and expand it horizontally into the final
// output buffer
phase_offset_w = 0;
for (w = 0; w < out_width; w++) {
// get the index to use to expand the image
lw = l_w[w];
temp_sum = c_w[phase_offset_w * 4] * hbuf[lw - 1];
temp_sum += c_w[phase_offset_w * 4 + 1] * hbuf[lw];
temp_sum += c_w[phase_offset_w * 4 + 2] * hbuf[lw + 1];
temp_sum += c_w[phase_offset_w * 4 + 3] * hbuf[lw + 2];
temp_sum = temp_sum >> 12;
if (++phase_offset_w >= g_b_scaler.nw)
phase_offset_w = 0;
// boundry conditions
if ((lw + 2) >= in_width)
temp_sum = hbuf[lw];
if (lw == 0)
temp_sum = hbuf[0];
op[w] = temp_sum;
}
op += out_stride;
}
return 0;
}
void bicubic_scale_frame_reset() {
g_b_scaler.out_width = 0;
g_b_scaler.out_height = 0;
}
void bicubic_scale_frame(YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
int new_width, int new_height) {
dst->y_width = new_width;
dst->y_height = new_height;
dst->uv_width = new_width / 2;
dst->uv_height = new_height / 2;
dst->y_stride = dst->y_width;
dst->uv_stride = dst->uv_width;
bicubic_scale(src->y_width, src->y_height, src->y_stride,
new_width, new_height, dst->y_stride,
src->y_buffer, dst->y_buffer);
bicubic_scale(src->uv_width, src->uv_height, src->uv_stride,
new_width / 2, new_height / 2, dst->uv_stride,
src->u_buffer, dst->u_buffer);
bicubic_scale(src->uv_width, src->uv_height, src->uv_stride,
new_width / 2, new_height / 2, dst->uv_stride,
src->v_buffer, dst->v_buffer);
}

682
vpx_scale/generic/gen_scalers.c
Просмотреть файл

@ -17,688 +17,6 @@
/****************************************************************************
*
* ROUTINE : vp8_horizontal_line_4_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 4 to 5.
*
* SPECIAL NOTES : None.
*
****************************************************************************/
void vp8_horizontal_line_4_5_scale_c(const unsigned char *source,
unsigned int source_width,
unsigned char *dest,
unsigned int dest_width) {
unsigned i;
unsigned int a, b, c;
unsigned char *des = dest;
const unsigned char *src = source;
(void) dest_width;
for (i = 0; i < source_width - 4; i += 4) {
a = src[0];
b = src[1];
des [0] = (unsigned char) a;
des [1] = (unsigned char)((a * 51 + 205 * b + 128) >> 8);
c = src[2] * 154;
a = src[3];
des [2] = (unsigned char)((b * 102 + c + 128) >> 8);
des [3] = (unsigned char)((c + 102 * a + 128) >> 8);
b = src[4];
des [4] = (unsigned char)((a * 205 + 51 * b + 128) >> 8);
src += 4;
des += 5;
}
a = src[0];
b = src[1];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a * 51 + 205 * b + 128) >> 8);
c = src[2] * 154;
a = src[3];
des [2] = (unsigned char)((b * 102 + c + 128) >> 8);
des [3] = (unsigned char)((c + 102 * a + 128) >> 8);
des [4] = (unsigned char)(a);
}
/****************************************************************************
*
* ROUTINE : vp8_vertical_band_4_5_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales vertical band of pixels by scale 4 to 5. The
* height of the band scaled is 4-pixels.
*
* SPECIAL NOTES : The routine uses the first line of the band below
* the current band.
*
****************************************************************************/
void vp8_vertical_band_4_5_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b, c, d;
unsigned char *des = dest;
for (i = 0; i < dest_width; i++) {
a = des [0];
b = des [dest_pitch];
des[dest_pitch] = (unsigned char)((a * 51 + 205 * b + 128) >> 8);
c = des[dest_pitch * 2] * 154;
d = des[dest_pitch * 3];
des [dest_pitch * 2] = (unsigned char)((b * 102 + c + 128) >> 8);
des [dest_pitch * 3] = (unsigned char)((c + 102 * d + 128) >> 8);
/* First line in next band */
a = des [dest_pitch * 5];
des [dest_pitch * 4] = (unsigned char)((d * 205 + 51 * a + 128) >> 8);
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_last_vertical_band_4_5_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales last vertical band of pixels by scale 4 to 5. The
* height of the band scaled is 4-pixels.
*
* SPECIAL NOTES : The routine does not have available the first line of
* the band below the current band, since this is the
* last band.
*
****************************************************************************/
void vp8_last_vertical_band_4_5_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b, c, d;
unsigned char *des = dest;
for (i = 0; i < dest_width; ++i) {
a = des[0];
b = des[dest_pitch];
des[dest_pitch] = (unsigned char)((a * 51 + 205 * b + 128) >> 8);
c = des[dest_pitch * 2] * 154;
d = des[dest_pitch * 3];
des [dest_pitch * 2] = (unsigned char)((b * 102 + c + 128) >> 8);
des [dest_pitch * 3] = (unsigned char)((c + 102 * d + 128) >> 8);
/* No other line for interplation of this line, so .. */
des[dest_pitch * 4] = (unsigned char) d;
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_horizontal_line_2_3_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 2 to 3.
*
* SPECIAL NOTES : None.
*
*
****************************************************************************/
void vp8_horizontal_line_2_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;
unsigned char *des = dest;
const unsigned char *src = source;
(void) dest_width;
for (i = 0; i < source_width - 2; i += 2) {
a = src[0];
b = src[1];
c = src[2];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a * 85 + 171 * b + 128) >> 8);
des [2] = (unsigned char)((b * 171 + 85 * c + 128) >> 8);
src += 2;
des += 3;
}
a = src[0];
b = src[1];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a * 85 + 171 * b + 128) >> 8);
des [2] = (unsigned char)(b);
}
/****************************************************************************
*
* ROUTINE : vp8_vertical_band_2_3_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales vertical band of pixels by scale 2 to 3. The
* height of the band scaled is 2-pixels.
*
* SPECIAL NOTES : The routine uses the first line of the band below
* the current band.
*
****************************************************************************/
void vp8_vertical_band_2_3_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b, c;
unsigned char *des = dest;
for (i = 0; i < dest_width; i++) {
a = des [0];
b = des [dest_pitch];
c = des[dest_pitch * 3];
des [dest_pitch ] = (unsigned char)((a * 85 + 171 * b + 128) >> 8);
des [dest_pitch * 2] = (unsigned char)((b * 171 + 85 * c + 128) >> 8);
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_last_vertical_band_2_3_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales last vertical band of pixels by scale 2 to 3. The
* height of the band scaled is 2-pixels.
*
* SPECIAL NOTES : The routine does not have available the first line of
* the band below the current band, since this is the
* last band.
*
****************************************************************************/
void vp8_last_vertical_band_2_3_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b;
unsigned char *des = dest;
for (i = 0; i < dest_width; ++i) {
a = des [0];
b = des [dest_pitch];
des [dest_pitch ] = (unsigned char)((a * 85 + 171 * b + 128) >> 8);
des [dest_pitch * 2] = (unsigned char)(b);
des++;
}
}
/****************************************************************************
*
* 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 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 vp8_horizontal_line_3_5_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;
unsigned char *des = dest;
const unsigned char *src = source;
(void) dest_width;
for (i = 0; i < source_width - 3; i += 3) {
a = src[0];
b = src[1];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a * 102 + 154 * b + 128) >> 8);
c = src[2];
des [2] = (unsigned char)((b * 205 + c * 51 + 128) >> 8);
des [3] = (unsigned char)((b * 51 + c * 205 + 128) >> 8);
a = src[3];
des [4] = (unsigned char)((c * 154 + a * 102 + 128) >> 8);
src += 3;
des += 5;
}
a = src[0];
b = src[1];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a * 102 + 154 * b + 128) >> 8);
c = src[2];
des [2] = (unsigned char)((b * 205 + c * 51 + 128) >> 8);
des [3] = (unsigned char)((b * 51 + c * 205 + 128) >> 8);
des [4] = (unsigned char)(c);
}
/****************************************************************************
*
* ROUTINE : vp8_vertical_band_3_5_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales vertical band of pixels by scale 3 to 5. The
* height of the band scaled is 3-pixels.
*
* SPECIAL NOTES : The routine uses the first line of the band below
* the current band.
*
****************************************************************************/
void vp8_vertical_band_3_5_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b, c;
unsigned char *des = dest;
for (i = 0; i < dest_width; i++) {
a = des [0];
b = des [dest_pitch];
des [dest_pitch] = (unsigned char)((a * 102 + 154 * b + 128) >> 8);
c = des[dest_pitch * 2];
des [dest_pitch * 2] = (unsigned char)((b * 205 + c * 51 + 128) >> 8);
des [dest_pitch * 3] = (unsigned char)((b * 51 + c * 205 + 128) >> 8);
/* First line in next band... */
a = des [dest_pitch * 5];
des [dest_pitch * 4] = (unsigned char)((c * 154 + a * 102 + 128) >> 8);
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_last_vertical_band_3_5_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales last vertical band of pixels by scale 3 to 5. The
* height of the band scaled is 3-pixels.
*
* SPECIAL NOTES : The routine does not have available the first line of
* the band below the current band, since this is the
* last band.
*
****************************************************************************/
void vp8_last_vertical_band_3_5_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b, c;
unsigned char *des = dest;
for (i = 0; i < dest_width; ++i) {
a = des [0];
b = des [dest_pitch];
des [ dest_pitch ] = (unsigned char)((a * 102 + 154 * b + 128) >> 8);
c = des[dest_pitch * 2];
des [dest_pitch * 2] = (unsigned char)((b * 205 + c * 51 + 128) >> 8);
des [dest_pitch * 3] = (unsigned char)((b * 51 + c * 205 + 128) >> 8);
/* No other line for interplation of this line, so .. */
des [ dest_pitch * 4 ] = (unsigned char)(c);
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_horizontal_line_3_4_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 4.
*
* SPECIAL NOTES : None.
*
*
****************************************************************************/
void vp8_horizontal_line_3_4_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;
unsigned char *des = dest;
const unsigned char *src = source;
(void) dest_width;
for (i = 0; i < source_width - 3; i += 3) {
a = src[0];
b = src[1];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a * 64 + b * 192 + 128) >> 8);
c = src[2];
des [2] = (unsigned char)((b + c + 1) >> 1);
a = src[3];
des [3] = (unsigned char)((c * 192 + a * 64 + 128) >> 8);
src += 3;
des += 4;
}
a = src[0];
b = src[1];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a * 64 + b * 192 + 128) >> 8);
c = src[2];
des [2] = (unsigned char)((b + c + 1) >> 1);
des [3] = (unsigned char)(c);
}
/****************************************************************************
*
* ROUTINE : vp8_vertical_band_3_4_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales vertical band of pixels by scale 3 to 4. The
* height of the band scaled is 3-pixels.
*
* SPECIAL NOTES : The routine uses the first line of the band below
* the current band.
*
****************************************************************************/
void vp8_vertical_band_3_4_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b, c;
unsigned char *des = dest;
for (i = 0; i < dest_width; i++) {
a = des [0];
b = des [dest_pitch];
des [dest_pitch] = (unsigned char)((a * 64 + b * 192 + 128) >> 8);
c = des[dest_pitch * 2];
des [dest_pitch * 2] = (unsigned char)((b + c + 1) >> 1);
/* First line in next band... */
a = des [dest_pitch * 4];
des [dest_pitch * 3] = (unsigned char)((c * 192 + a * 64 + 128) >> 8);
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_last_vertical_band_3_4_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales last vertical band of pixels by scale 3 to 4. The
* height of the band scaled is 3-pixels.
*
* SPECIAL NOTES : The routine does not have available the first line of
* the band below the current band, since this is the
* last band.
*
****************************************************************************/
void vp8_last_vertical_band_3_4_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b, c;
unsigned char *des = dest;
for (i = 0; i < dest_width; ++i) {
a = des [0];
b = des [dest_pitch];
des [dest_pitch] = (unsigned char)((a * 64 + b * 192 + 128) >> 8);
c = des[dest_pitch * 2];
des [dest_pitch * 2] = (unsigned char)((b + c + 1) >> 1);
/* No other line for interplation of this line, so .. */
des [dest_pitch * 3] = (unsigned char)(c);
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 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 vp8_horizontal_line_1_2_scale_c(const unsigned char *source,
unsigned int source_width,
unsigned char *dest,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b;
unsigned char *des = dest;
const unsigned char *src = source;
(void) dest_width;
for (i = 0; i < source_width - 1; i += 1) {
a = src[0];
b = src[1];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)((a + b + 1) >> 1);
src += 1;
des += 2;
}
a = src[0];
des [0] = (unsigned char)(a);
des [1] = (unsigned char)(a);
}
/****************************************************************************
*
* ROUTINE : vp8_vertical_band_1_2_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales vertical band of pixels by scale 1 to 2. The
* height of the band scaled is 1-pixel.
*
* SPECIAL NOTES : The routine uses the first line of the band below
* the current band.
*
****************************************************************************/
void vp8_vertical_band_1_2_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned int a, b;
unsigned char *des = dest;
for (i = 0; i < dest_width; i++) {
a = des [0];
b = des [dest_pitch * 2];
des[dest_pitch] = (unsigned char)((a + b + 1) >> 1);
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_last_vertical_band_1_2_scale_c
*
* INPUTS : unsigned char *dest : Pointer to destination data.
* unsigned int dest_pitch : Stride of destination data.
* unsigned int dest_width : Width of destination data.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Scales last vertical band of pixels by scale 1 to 2. The
* height of the band scaled is 1-pixel.
*
* SPECIAL NOTES : The routine does not have available the first line of
* the band below the current band, since this is the
* last band.
*
****************************************************************************/
void vp8_last_vertical_band_1_2_scale_c(unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width) {
unsigned int i;
unsigned char *des = dest;
for (i = 0; i < dest_width; ++i) {
des[dest_pitch] = des[0];
des++;
}
}
/****************************************************************************
*
* ROUTINE : vp8_horizontal_line_4_5_scale_c
*
* INPUTS : const unsigned char *source : Pointer to source data.
* unsigned int source_width : Stride of source.

480
vpx_scale/generic/vpxscale.c
Просмотреть файл

@ -23,7 +23,6 @@
#include "./vpx_scale_rtcd.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx_scale/yv12config.h"
#include "vpx_scale/scale_mode.h"
typedef struct {
int expanded_frame_width;
@ -39,66 +38,6 @@ typedef struct {
} SCALE_VARS;
/****************************************************************************
*
* ROUTINE : horizontal_line_copy
*
* INPUTS : None
*
*
* OUTPUTS : None.
*
* RETURNS : None
*
* FUNCTION : 1 to 1 scaling up for a horizontal line of pixles
*
* SPECIAL NOTES : None.
*
* ERRORS : None.
*
****************************************************************************/
static
void horizontal_line_copy(
const unsigned char *source,
unsigned int source_width,
unsigned char *dest,
unsigned int dest_width
) {
(void) dest_width;
duck_memcpy(dest, source, source_width);
}
/****************************************************************************
*
* ROUTINE : null_scale
*
* INPUTS : None
*
*
* OUTPUTS : None.
*
* RETURNS : None
*
* FUNCTION : 1 to 1 scaling up for a vertical band
*
* SPECIAL NOTES : None.
*
* ERRORS : None.
*
****************************************************************************/
static
void null_scale(
unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width
) {
(void) dest;
(void) dest_pitch;
(void) dest_width;
return;
}
/****************************************************************************
*
* ROUTINE : scale1d_2t1_i
@ -589,422 +528,3 @@ void vp8_scale_frame
for (i = dh / 2 - 1; i < (int)dst->y_height / 2; i++)
duck_memcpy(dst->v_buffer + i * dst->uv_stride, dst->v_buffer + (dh / 2 - 2)*dst->uv_stride, dst->uv_width);
}
/****************************************************************************
*
* ROUTINE : any_ratio_2d_scale
*
* INPUTS : SCALE_INSTANCE *si : Pointer to post-processor instance (NOT USED).
* const unsigned char *source : Pointer to source image.
* unsigned int source_pitch : Stride of source image.
* unsigned int source_width : Width of source image.
* unsigned int source_height : Height of source image (NOT USED).
* unsigned char *dest : Pointer to destination image.
* unsigned int dest_pitch : Stride of destination image.
* unsigned int dest_width : Width of destination image.
* unsigned int dest_height : Height of destination image.
*
* OUTPUTS : None.
*
* RETURNS : int: 1 if image scaled, 0 if image could not be scaled.
*
* FUNCTION : Scale the image with changing apect ratio.
*
* SPECIAL NOTES : This scaling is a bi-linear scaling. Need to re-work the
* whole function for new scaling algorithm.
*
****************************************************************************/
static
int any_ratio_2d_scale
(
SCALE_VARS *si,
const unsigned char *source,
int source_pitch,
unsigned int source_width,
unsigned int source_height,
unsigned char *dest,
unsigned int dest_pitch,
unsigned int dest_width,
unsigned int dest_height
) {
unsigned int i, k;
unsigned int src_band_height = 0;
unsigned int dest_band_height = 0;
/* suggested scale factors */
int hs = si->HScale;
int hr = si->HRatio;
int vs = si->VScale;
int vr = si->VRatio;
/* assume the ratios are scalable instead of should be centered */
int ratio_scalable = 1;
const unsigned char *source_base = ((source_pitch >= 0) ? source : (source + ((source_height - 1) * source_pitch)));
const unsigned char *line_src;
void (*horiz_line_scale)(const unsigned char *, unsigned int, unsigned char *, unsigned int) = NULL;
void (*vert_band_scale)(unsigned char *, unsigned int, unsigned int) = NULL;
void (*last_vert_band_scale)(unsigned char *, unsigned int, unsigned int) = NULL;
(void) si;
/* find out the ratio for each direction */
switch (hr * 30 / hs) {
case 24:
/* 4-5 Scale in Width direction */
horiz_line_scale = vp8_horizontal_line_4_5_scale;
break;
case 22:
/* 3-4 Scale in Width direction */
horiz_line_scale = vp8_horizontal_line_3_4_scale;
break;
case 20:
/* 4-5 Scale in Width direction */
horiz_line_scale = vp8_horizontal_line_2_3_scale;
break;
case 18:
/* 3-5 Scale in Width direction */
horiz_line_scale = vp8_horizontal_line_3_5_scale;
break;
case 15:
/* 1-2 Scale in Width direction */
horiz_line_scale = vp8_horizontal_line_1_2_scale;
break;
case 30:
/* no scale in Width direction */
horiz_line_scale = horizontal_line_copy;
break;
default:
/* The ratio is not acceptable now */
/* throw("The ratio is not acceptable for now!"); */
ratio_scalable = 0;
break;
}
switch (vr * 30 / vs) {
case 24:
/* 4-5 Scale in vertical direction */
vert_band_scale = vp8_vertical_band_4_5_scale;
last_vert_band_scale = vp8_last_vertical_band_4_5_scale;
src_band_height = 4;
dest_band_height = 5;
break;
case 22:
/* 3-4 Scale in vertical direction */
vert_band_scale = vp8_vertical_band_3_4_scale;
last_vert_band_scale = vp8_last_vertical_band_3_4_scale;
src_band_height = 3;
dest_band_height = 4;
break;
case 20:
/* 2-3 Scale in vertical direction */
vert_band_scale = vp8_vertical_band_2_3_scale;
last_vert_band_scale = vp8_last_vertical_band_2_3_scale;
src_band_height = 2;
dest_band_height = 3;
break;
case 18:
/* 3-5 Scale in vertical direction */
vert_band_scale = vp8_vertical_band_3_5_scale;
last_vert_band_scale = vp8_last_vertical_band_3_5_scale;
src_band_height = 3;
dest_band_height = 5;
break;
case 15:
/* 1-2 Scale in vertical direction */
vert_band_scale = vp8_vertical_band_1_2_scale;
last_vert_band_scale = vp8_last_vertical_band_1_2_scale;
src_band_height = 1;
dest_band_height = 2;
break;
case 30:
/* no scale in Width direction */
vert_band_scale = null_scale;
last_vert_band_scale = null_scale;
src_band_height = 4;
dest_band_height = 4;
break;
default:
/* The ratio is not acceptable now */
/* throw("The ratio is not acceptable for now!"); */
ratio_scalable = 0;
break;
}
if (ratio_scalable == 0)
return ratio_scalable;
horiz_line_scale(source, source_width, dest, dest_width);
/* except last band */
for (k = 0; k < (dest_height + dest_band_height - 1) / dest_band_height - 1; k++) {
/* scale one band horizontally */
for (i = 1; i < src_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,
dest + i * dest_pitch, dest_width);
}
/* first line of next band */
/* Trap case where we could read off the base of the source buffer */
line_src = source + src_band_height * source_pitch;
if (line_src < source_base)
line_src = source_base;
horiz_line_scale(line_src, source_width,
dest + dest_band_height * dest_pitch,
dest_width);
/* Vertical scaling is in place */
vert_band_scale(dest, dest_pitch, dest_width);
/* Next band... */
source += src_band_height * source_pitch;
dest += dest_band_height * dest_pitch;
}
/* scale one band horizontally */
for (i = 1; i < src_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,
dest + i * dest_pitch,
dest_width);
}
/* Vertical scaling is in place */
last_vert_band_scale(dest, dest_pitch, dest_width);
return ratio_scalable;
}
/****************************************************************************
*
* ROUTINE : any_ratio_frame_scale
*
* INPUTS : SCALE_INSTANCE *si : Pointer to post-processor instance (NOT USED).
* unsigned char *frame_buffer : Pointer to source image.
* int YOffset : Offset from start of buffer to Y samples.
* int UVOffset : Offset from start of buffer to UV samples.
*
* OUTPUTS : None.
*
* RETURNS : int: 1 if image scaled, 0 if image could not be scaled.
*
* FUNCTION : Scale the image with changing apect ratio.
*
* SPECIAL NOTES : None.
*
****************************************************************************/
static
int any_ratio_frame_scale(SCALE_VARS *scale_vars, int YOffset, int UVOffset) {
int i;
int ew;
int eh;
/* suggested scale factors */
int hs = scale_vars->HScale;
int hr = scale_vars->HRatio;
int vs = scale_vars->VScale;
int vr = scale_vars->VRatio;
int ratio_scalable = 1;
int sw = (scale_vars->expanded_frame_width * hr + hs - 1) / hs;
int sh = (scale_vars->expanded_frame_height * vr + vs - 1) / vs;
int dw = scale_vars->expanded_frame_width;
int dh = scale_vars->expanded_frame_height;
YV12_BUFFER_CONFIG *src_yuv_config = scale_vars->src_yuv_config;
YV12_BUFFER_CONFIG *dst_yuv_config = scale_vars->dst_yuv_config;
if (hr == 3)
ew = (sw + 2) / 3 * 3 * hs / hr;
else
ew = (sw + 7) / 8 * 8 * hs / hr;
if (vr == 3)
eh = (sh + 2) / 3 * 3 * vs / vr;
else
eh = (sh + 7) / 8 * 8 * vs / vr;
ratio_scalable = any_ratio_2d_scale(scale_vars,
(const unsigned char *)src_yuv_config->y_buffer,
src_yuv_config->y_stride, sw, sh,
(unsigned char *) dst_yuv_config->y_buffer + YOffset,
dst_yuv_config->y_stride, dw, dh);
for (i = 0; i < eh; i++)
duck_memset(dst_yuv_config->y_buffer + YOffset + i * dst_yuv_config->y_stride + dw, 0, ew - dw);
for (i = dh; i < eh; i++)
duck_memset(dst_yuv_config->y_buffer + YOffset + i * dst_yuv_config->y_stride, 0, ew);
if (ratio_scalable == 0)
return ratio_scalable;
sw = (sw + 1) >> 1;
sh = (sh + 1) >> 1;
dw = (dw + 1) >> 1;
dh = (dh + 1) >> 1;
any_ratio_2d_scale(scale_vars,
(const unsigned char *)src_yuv_config->u_buffer,
src_yuv_config->y_stride / 2, sw, sh,
(unsigned char *)dst_yuv_config->u_buffer + UVOffset,
dst_yuv_config->uv_stride, dw, dh);
any_ratio_2d_scale(scale_vars,
(const unsigned char *)src_yuv_config->v_buffer,
src_yuv_config->y_stride / 2, sw, sh,
(unsigned char *)dst_yuv_config->v_buffer + UVOffset,
dst_yuv_config->uv_stride, dw, dh);
return ratio_scalable;
}
/****************************************************************************
*
* ROUTINE : center_image
*
* INPUTS : SCALE_INSTANCE *si : Pointer to post-processor instance.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Centers the image without scaling in the output buffer.
*
* SPECIAL NOTES : None.
*
****************************************************************************/
static void
center_image(YV12_BUFFER_CONFIG *src_yuv_config, YV12_BUFFER_CONFIG *dst_yuv_config) {
int i;
int row_offset, col_offset;
unsigned char *src_data_pointer;
unsigned char *dst_data_pointer;
/* center values */
row_offset = (dst_yuv_config->y_height - src_yuv_config->y_height) / 2;
col_offset = (dst_yuv_config->y_width - src_yuv_config->y_width) / 2;
/* Y's */
src_data_pointer = src_yuv_config->y_buffer;
dst_data_pointer = (unsigned char *)dst_yuv_config->y_buffer + (row_offset * dst_yuv_config->y_stride) + col_offset;
for (i = 0; i < src_yuv_config->y_height; i++) {
duck_memcpy(dst_data_pointer, src_data_pointer, src_yuv_config->y_width);
dst_data_pointer += dst_yuv_config->y_stride;
src_data_pointer += src_yuv_config->y_stride;
}
row_offset /= 2;
col_offset /= 2;
/* U's */
src_data_pointer = src_yuv_config->u_buffer;
dst_data_pointer = (unsigned char *)dst_yuv_config->u_buffer + (row_offset * dst_yuv_config->uv_stride) + col_offset;
for (i = 0; i < src_yuv_config->uv_height; i++) {
duck_memcpy(dst_data_pointer, src_data_pointer, src_yuv_config->uv_width);
dst_data_pointer += dst_yuv_config->uv_stride;
src_data_pointer += src_yuv_config->uv_stride;
}
/* V's */
src_data_pointer = src_yuv_config->v_buffer;
dst_data_pointer = (unsigned char *)dst_yuv_config->v_buffer + (row_offset * dst_yuv_config->uv_stride) + col_offset;
for (i = 0; i < src_yuv_config->uv_height; i++) {
duck_memcpy(dst_data_pointer, src_data_pointer, src_yuv_config->uv_width);
dst_data_pointer += dst_yuv_config->uv_stride;
src_data_pointer += src_yuv_config->uv_stride;
}
}
/****************************************************************************
*
* ROUTINE : scale_or_center
*
* INPUTS : SCALE_INSTANCE *si : Pointer to post-processor instance.
*
*
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Decides to scale or center image in scale buffer for blit
*
* SPECIAL NOTES : None.
*
****************************************************************************/
void
vp8_yv12_scale_or_center
(
YV12_BUFFER_CONFIG *src_yuv_config,
YV12_BUFFER_CONFIG *dst_yuv_config,
int expanded_frame_width,
int expanded_frame_height,
int scaling_mode,
int HScale,
int HRatio,
int VScale,
int VRatio
) {
/*if ( ppi->post_processing_level )
update_umvborder ( ppi, frame_buffer );*/
switch (scaling_mode) {
case SCALE_TO_FIT:
case MAINTAIN_ASPECT_RATIO: {
SCALE_VARS scale_vars;
/* center values */
#if 1
int row = (dst_yuv_config->y_height - expanded_frame_height) / 2;
int col = (dst_yuv_config->y_width - expanded_frame_width) / 2;
/*int YOffset = row * dst_yuv_config->y_width + col;
int UVOffset = (row>>1) * dst_yuv_config->uv_width + (col>>1);*/
int YOffset = row * dst_yuv_config->y_stride + col;
int UVOffset = (row >> 1) * dst_yuv_config->uv_stride + (col >> 1);
#else
int row = (src_yuv_config->y_height - expanded_frame_height) / 2;
int col = (src_yuv_config->y_width - expanded_frame_width) / 2;
int YOffset = row * src_yuv_config->y_width + col;
int UVOffset = (row >> 1) * src_yuv_config->uv_width + (col >> 1);
#endif
scale_vars.dst_yuv_config = dst_yuv_config;
scale_vars.src_yuv_config = src_yuv_config;
scale_vars.HScale = HScale;
scale_vars.HRatio = HRatio;
scale_vars.VScale = VScale;
scale_vars.VRatio = VRatio;
scale_vars.expanded_frame_width = expanded_frame_width;
scale_vars.expanded_frame_height = expanded_frame_height;
/* perform center and scale */
any_ratio_frame_scale(&scale_vars, YOffset, UVOffset);
break;
}
case CENTER:
center_image(src_yuv_config, dst_yuv_config);
break;
default:
break;
}
}

55
vpx_scale/include/generic/vpxscale_arbitrary.h
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@ -1,55 +0,0 @@
/*
* 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_SCALE_ARBITRARY_H__
#define __VPX_SCALE_ARBITRARY_H__
#include "vpx_scale/yv12config.h"
typedef struct {
int in_width;
int in_height;
int out_width;
int out_height;
int max_usable_out_width;
// numerator for the width and height
int nw;
int nh;
int nh_uv;
// output to input correspondance array
short *l_w;
short *l_h;
short *l_h_uv;
// polyphase coefficients
short *c_w;
short *c_h;
short *c_h_uv;
// buffer for horizontal filtering.
unsigned char *hbuf;
unsigned char *hbuf_uv;
} BICUBIC_SCALER_STRUCT;
int bicubic_coefficient_setup(int in_width, int in_height, int out_width, int out_height);
int bicubic_scale(int in_width, int in_height, int in_stride,
int out_width, int out_height, int out_stride,
unsigned char *input_image, unsigned char *output_image);
void bicubic_scale_frame_reset();
void bicubic_scale_frame(YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
int new_width, int new_height);
void bicubic_coefficient_init();
void bicubic_coefficient_destroy();
#endif /* __VPX_SCALE_ARBITRARY_H__ */

34
vpx_scale/include/generic/vpxscale_depricated.h
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@ -1,34 +0,0 @@
/*
* 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 : postp.h
*
* Description : Post processor interface
*
****************************************************************************/
#ifndef VPXSCALE_H
#define VPXSCALE_H
extern void (*vp8_vertical_band_4_5_scale)(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
extern void (*vp8_last_vertical_band_4_5_scale)(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
extern void (*vp8_vertical_band_3_5_scale)(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
extern void (*vp8_last_vertical_band_3_5_scale)(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
extern void (*vp8_horizontal_line_1_2_scale)(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
extern void (*vp8_horizontal_line_3_5_scale)(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
extern void (*vp8_horizontal_line_4_5_scale)(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
extern void (*vp8_vertical_band_1_2_scale)(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
extern void (*vp8_last_vertical_band_1_2_scale)(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
extern void dmachine_specific_config(int mmx_enabled, int xmm_enabled, int wmt_enabled);
#endif

28
vpx_scale/scale_mode.h
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@ -1,28 +0,0 @@
/*
* 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 SCALE_MODE_H
#define SCALE_MODE_H
typedef enum {
MAINTAIN_ASPECT_RATIO = 0x0,
SCALE_TO_FIT = 0x1,
CENTER = 0x2,
OTHER = 0x3
} SCALE_MODE;
#endif

1
vpx_scale/vpx_scale.mk
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@ -1,5 +1,4 @@
SCALE_SRCS-yes += vpx_scale.mk
SCALE_SRCS-yes += scale_mode.h
SCALE_SRCS-yes += yv12config.h
SCALE_SRCS-yes += vpxscale.h
SCALE_SRCS-yes += generic/vpxscale.c

15
vpx_scale/vpx_scale_rtcd.sh
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@ -7,21 +7,6 @@ forward_decls vpx_scale_forward_decls
# Scaler functions
if [ "CONFIG_SPATIAL_RESAMPLING" != "yes" ]; then
prototype void vp8_horizontal_line_4_5_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_4_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_4_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_2_3_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_2_3_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_2_3_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_3_5_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_3_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_3_5_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_3_4_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_3_4_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_3_4_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_1_2_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype void vp8_vertical_band_1_2_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_last_vertical_band_1_2_scale "unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width"
prototype void vp8_horizontal_line_5_4_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"
prototype 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"
prototype void vp8_horizontal_line_5_3_scale "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width"

10
vpx_scale/vpxscale.h
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@ -14,16 +14,6 @@
#include "vpx_scale/yv12config.h"
extern void vp8_yv12_scale_or_center(YV12_BUFFER_CONFIG *src_yuv_config,
YV12_BUFFER_CONFIG *dst_yuv_config,
int expanded_frame_width,
int expanded_frame_height,
int scaling_mode,
int HScale,
int HRatio,
int VScale,
int VRatio);
extern void vp8_scale_frame(YV12_BUFFER_CONFIG *src,
YV12_BUFFER_CONFIG *dst,
unsigned char *temp_area,

1193
vpx_scale/win32/scaleopt.c
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Разница между файлами не показана из-за своего большого размера Загрузить разницу

87
vpx_scale/win32/scalesystemdependent.c
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@ -1,87 +0,0 @@
/*
* 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 : system_dependent.c
*
* Description : Miscellaneous system dependent functions
*
****************************************************************************/
/****************************************************************************
* Header Files
****************************************************************************/
#include "vpx_scale/vpxscale.h"
#include "cpuidlib.h"
/****************************************************************************
* Imports
*****************************************************************************/
extern void register_generic_scalers(void);
extern void register_mmxscalers(void);
/****************************************************************************
*
* ROUTINE : post_proc_machine_specific_config
*
* INPUTS : UINT32 Version : Codec version number.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Checks for machine specifc features such as MMX support
* sets appropriate flags and function pointers.
*
* SPECIAL NOTES : None.
*
****************************************************************************/
void
vp8_scale_machine_specific_config(void) {
// If MMX supported then set to use MMX versions of functions else
// use original 'C' versions.
int mmx_enabled;
int xmm_enabled;
int wmt_enabled;
vpx_get_processor_flags(&mmx_enabled, &xmm_enabled, &wmt_enabled);
if (mmx_enabled || xmm_enabled || wmt_enabled) {
register_mmxscalers();
} else {
vp8_horizontal_line_1_2_scale = vp8cx_horizontal_line_1_2_scale_c;
vp8_vertical_band_1_2_scale = vp8cx_vertical_band_1_2_scale_c;
vp8_last_vertical_band_1_2_scale = vp8cx_last_vertical_band_1_2_scale_c;
vp8_horizontal_line_3_5_scale = vp8cx_horizontal_line_3_5_scale_c;
vp8_vertical_band_3_5_scale = vp8cx_vertical_band_3_5_scale_c;
vp8_last_vertical_band_3_5_scale = vp8cx_last_vertical_band_3_5_scale_c;
vp8_horizontal_line_3_4_scale = vp8cx_horizontal_line_3_4_scale_c;
vp8_vertical_band_3_4_scale = vp8cx_vertical_band_3_4_scale_c;
vp8_last_vertical_band_3_4_scale = vp8cx_last_vertical_band_3_4_scale_c;
vp8_horizontal_line_2_3_scale = vp8cx_horizontal_line_2_3_scale_c;
vp8_vertical_band_2_3_scale = vp8cx_vertical_band_2_3_scale_c;
vp8_last_vertical_band_2_3_scale = vp8cx_last_vertical_band_2_3_scale_c;
vp8_horizontal_line_4_5_scale = vp8cx_horizontal_line_4_5_scale_c;
vp8_vertical_band_4_5_scale = vp8cx_vertical_band_4_5_scale_c;
vp8_last_vertical_band_4_5_scale = vp8cx_last_vertical_band_4_5_scale_c;
vp8_vertical_band_5_4_scale = vp8cx_vertical_band_5_4_scale_c;
vp8_vertical_band_5_3_scale = vp8cx_vertical_band_5_3_scale_c;
vp8_vertical_band_2_1_scale = vp8cx_vertical_band_2_1_scale_c;
vp8_vertical_band_2_1_scale_i = vp8cx_vertical_band_2_1_scale_i_c;
vp8_horizontal_line_2_1_scale = vp8cx_horizontal_line_2_1_scale_c;
vp8_horizontal_line_5_3_scale = vp8cx_horizontal_line_5_3_scale_c;
vp8_horizontal_line_5_4_scale = vp8cx_horizontal_line_5_4_scale_c;
}
}