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FFmpeg/tests/checkasm/vp9dsp.c
Rodger Combs df2a2643fe tests/checkasm: fix stack smash in check_loopfilter
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-09-20 20:26:09 +02:00

342 lines
14 KiB
C

/*
* Copyright (c) 2015 Ronald S. Bultje <rsbultje@gmail.com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string.h>
#include "checkasm.h"
#include "libavcodec/vp9dsp.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
static const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff };
#define SIZEOF_PIXEL ((bit_depth + 7) / 8)
#define randomize_buffers() \
do { \
uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
int k; \
for (k = -4; k < SIZEOF_PIXEL * FFMAX(8, size); k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(a + k, r); \
} \
for (k = 0; k < size * SIZEOF_PIXEL; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(l + k, r); \
} \
} while (0)
static void check_ipred(void)
{
LOCAL_ALIGNED_32(uint8_t, a_buf, [64 * 2]);
uint8_t *a = &a_buf[32 * 2];
LOCAL_ALIGNED_32(uint8_t, l, [32 * 2]);
LOCAL_ALIGNED_32(uint8_t, dst0, [32 * 32 * 2]);
LOCAL_ALIGNED_32(uint8_t, dst1, [32 * 32 * 2]);
VP9DSPContext dsp;
int tx, mode, bit_depth;
declare_func(void, uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, const uint8_t *top);
static const char *const mode_names[N_INTRA_PRED_MODES] = {
[VERT_PRED] = "vert",
[HOR_PRED] = "hor",
[DC_PRED] = "dc",
[DIAG_DOWN_LEFT_PRED] = "diag_downleft",
[DIAG_DOWN_RIGHT_PRED] = "diag_downright",
[VERT_RIGHT_PRED] = "vert_right",
[HOR_DOWN_PRED] = "hor_down",
[VERT_LEFT_PRED] = "vert_left",
[HOR_UP_PRED] = "hor_up",
[TM_VP8_PRED] = "tm",
[LEFT_DC_PRED] = "dc_left",
[TOP_DC_PRED] = "dc_top",
[DC_128_PRED] = "dc_128",
[DC_127_PRED] = "dc_127",
[DC_129_PRED] = "dc_129",
};
for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
ff_vp9dsp_init(&dsp, bit_depth, 0);
for (tx = 0; tx < 4; tx++) {
int size = 4 << tx;
for (mode = 0; mode < N_INTRA_PRED_MODES; mode++) {
if (check_func(dsp.intra_pred[tx][mode], "vp9_%s_%dx%d_%dbpp",
mode_names[mode], size, size, bit_depth)) {
randomize_buffers();
call_ref(dst0, size * SIZEOF_PIXEL, l, a);
call_new(dst1, size * SIZEOF_PIXEL, l, a);
if (memcmp(dst0, dst1, size * size * SIZEOF_PIXEL))
fail();
bench_new(dst1, size * SIZEOF_PIXEL,l, a);
}
}
}
}
report("ipred");
}
#undef randomize_buffers
#define setpx(a,b,c) \
do { \
if (SIZEOF_PIXEL == 1) { \
buf0[(a) + (b) * jstride] = c; \
} else { \
((uint16_t *)buf0)[(a) + (b) * jstride] = c; \
} \
} while (0)
#define setdx(a,b,c,d) setpx(a,b,(c)-(d)+(rnd()%((d)*2+1)))
#define setsx(a,b,c,d) setdx(a,b,c,(d) << (bit_depth - 8))
#define randomize_buffers(bidx, lineoff, str) \
do { \
uint32_t mask = (1 << bit_depth) - 1; \
int off = dir ? lineoff : lineoff * 16; \
int istride = dir ? 1 : 16; \
int jstride = dir ? str : 1; \
int i, j; \
for (i = 0; i < 2; i++) /* flat16 */ { \
int idx = off + i * istride, p0, q0; \
setpx(idx, 0, q0 = rnd() & mask); \
setsx(idx, -1, p0 = q0, E[bidx] >> 2); \
for (j = 1; j < 8; j++) { \
setsx(idx, -1 - j, p0, F[bidx]); \
setsx(idx, j, q0, F[bidx]); \
} \
} \
for (i = 2; i < 4; i++) /* flat8 */ { \
int idx = off + i * istride, p0, q0; \
setpx(idx, 0, q0 = rnd() & mask); \
setsx(idx, -1, p0 = q0, E[bidx] >> 2); \
for (j = 1; j < 4; j++) { \
setsx(idx, -1 - j, p0, F[bidx]); \
setsx(idx, j, q0, F[bidx]); \
} \
for (j = 4; j < 8; j++) { \
setpx(idx, -1 - j, rnd() & mask); \
setpx(idx, j, rnd() & mask); \
} \
} \
for (i = 4; i < 6; i++) /* regular */ { \
int idx = off + i * istride, p2, p1, p0, q0, q1, q2; \
setpx(idx, 0, q0 = rnd() & mask); \
setsx(idx, 1, q1 = q0, I[bidx]); \
setsx(idx, 2, q2 = q1, I[bidx]); \
setsx(idx, 3, q2, I[bidx]); \
setsx(idx, -1, p0 = q0, E[bidx] >> 2); \
setsx(idx, -2, p1 = p0, I[bidx]); \
setsx(idx, -3, p2 = p1, I[bidx]); \
setsx(idx, -4, p2, I[bidx]); \
for (j = 4; j < 8; j++) { \
setpx(idx, -1 - j, rnd() & mask); \
setpx(idx, j, rnd() & mask); \
} \
} \
for (i = 6; i < 8; i++) /* off */ { \
int idx = off + i * istride; \
for (j = 0; j < 8; j++) { \
setpx(idx, -1 - j, rnd() & mask); \
setpx(idx, j, rnd() & mask); \
} \
} \
} while (0)
static void check_loopfilter()
{
LOCAL_ALIGNED_32(uint8_t, base0, [32 + 16 * 16 * 2]);
LOCAL_ALIGNED_32(uint8_t, base1, [32 + 16 * 16 * 2]);
VP9DSPContext dsp;
int dir, wd, wd2, bit_depth;
static const char *const dir_name[2] = { "h", "v" };
int E[2] = { 20, 28 }, I[2] = { 10, 16 }, H[2] = { 7, 11 }, F[2] = { 1, 1 };
declare_func(void, uint8_t *dst, ptrdiff_t stride, int E, int I, int H);
for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
ff_vp9dsp_init(&dsp, bit_depth, 0);
for (dir = 0; dir < 2; dir++) {
uint8_t *buf0, *buf1;
int midoff = (dir ? 8 * 8 : 8) * SIZEOF_PIXEL;
int midoff_aligned = (dir ? 8 * 8 : 16) * SIZEOF_PIXEL;
buf0 = base0 + midoff_aligned;
buf1 = base1 + midoff_aligned;
for (wd = 0; wd < 3; wd++) {
// 4/8/16wd_8px
if (check_func(dsp.loop_filter_8[wd][dir],
"vp9_loop_filter_%s_%d_8_%dbpp",
dir_name[dir], 4 << wd, bit_depth)) {
randomize_buffers(0, 0, 8);
memcpy(buf1 - midoff, buf0 - midoff,
16 * 8 * SIZEOF_PIXEL);
call_ref(buf0, 16 * SIZEOF_PIXEL >> dir, E[0], I[0], H[0]);
call_new(buf1, 16 * SIZEOF_PIXEL >> dir, E[0], I[0], H[0]);
if (memcmp(buf0 - midoff, buf1 - midoff, 16 * 8 * SIZEOF_PIXEL))
fail();
bench_new(buf1, 16 * SIZEOF_PIXEL >> dir, E[0], I[0], H[0]);
}
}
midoff = (dir ? 16 * 8 : 8) * SIZEOF_PIXEL;
midoff_aligned = (dir ? 16 * 8 : 16) * SIZEOF_PIXEL;
buf0 = base0 + midoff_aligned;
buf1 = base1 + midoff_aligned;
// 16wd_16px loopfilter
if (check_func(dsp.loop_filter_16[dir],
"vp9_loop_filter_%s_16_16_%dbpp",
dir_name[dir], bit_depth)) {
randomize_buffers(0, 0, 16);
randomize_buffers(0, 8, 16);
memcpy(buf1 - midoff, buf0 - midoff, 16 * 16 * SIZEOF_PIXEL);
call_ref(buf0, 16 * SIZEOF_PIXEL, E[0], I[0], H[0]);
call_new(buf1, 16 * SIZEOF_PIXEL, E[0], I[0], H[0]);
if (memcmp(buf0 - midoff, buf1 - midoff, 16 * 16 * SIZEOF_PIXEL))
fail();
bench_new(buf1, 16 * SIZEOF_PIXEL, E[0], I[0], H[0]);
}
for (wd = 0; wd < 2; wd++) {
for (wd2 = 0; wd2 < 2; wd2++) {
// mix2 loopfilter
if (check_func(dsp.loop_filter_mix2[wd][wd2][dir],
"vp9_loop_filter_mix2_%s_%d%d_16_%dbpp",
dir_name[dir], 4 << wd, 4 << wd2, bit_depth)) {
randomize_buffers(0, 0, 16);
randomize_buffers(1, 8, 16);
memcpy(buf1 - midoff, buf0 - midoff, 16 * 16 * SIZEOF_PIXEL);
#define M(a) (((a)[1] << 8) | (a)[0])
call_ref(buf0, 16 * SIZEOF_PIXEL, M(E), M(I), M(H));
call_new(buf1, 16 * SIZEOF_PIXEL, M(E), M(I), M(H));
if (memcmp(buf0 - midoff, buf1 - midoff, 16 * 16 * SIZEOF_PIXEL))
fail();
bench_new(buf1, 16 * SIZEOF_PIXEL, M(E), M(I), M(H));
#undef M
}
}
}
}
}
report("loopfilter");
}
#undef setsx
#undef setpx
#undef setdx
#undef randomize_buffers
#define DST_BUF_SIZE (size * size * SIZEOF_PIXEL)
#define SRC_BUF_STRIDE 72
#define SRC_BUF_SIZE ((size + 7) * SRC_BUF_STRIDE * SIZEOF_PIXEL)
#define src (buf + 3 * SIZEOF_PIXEL * (SRC_BUF_STRIDE + 1))
#define randomize_buffers() \
do { \
uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
int k; \
for (k = 0; k < SRC_BUF_SIZE; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(buf + k, r); \
} \
if (op == 1) { \
for (k = 0; k < DST_BUF_SIZE; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(dst0 + k, r); \
AV_WN32A(dst1 + k, r); \
} \
} \
} while (0)
static void check_mc(void)
{
LOCAL_ALIGNED_32(uint8_t, buf, [72 * 72 * 2]);
LOCAL_ALIGNED_32(uint8_t, dst0, [64 * 64 * 2]);
LOCAL_ALIGNED_32(uint8_t, dst1, [64 * 64 * 2]);
VP9DSPContext dsp;
int op, hsize, bit_depth, filter, dx, dy;
declare_func(void, uint8_t *dst, ptrdiff_t dst_stride,
const uint8_t *ref, ptrdiff_t ref_stride,
int h, int mx, int my);
static const char *const filter_names[4] = {
"8tap_smooth", "8tap_regular", "8tap_sharp", "bilin"
};
static const char *const subpel_names[2][2] = { { "", "h" }, { "v", "hv" } };
static const char *const op_names[2] = { "put", "avg" };
char str[256];
for (op = 0; op < 2; op++) {
for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
ff_vp9dsp_init(&dsp, bit_depth, 0);
for (hsize = 0; hsize < 5; hsize++) {
int size = 64 >> hsize;
for (filter = 0; filter < 4; filter++) {
for (dx = 0; dx < 2; dx++) {
for (dy = 0; dy < 2; dy++) {
if (dx || dy) {
snprintf(str, sizeof(str),
"%s_%s_%d%s", op_names[op],
filter_names[filter], size,
subpel_names[dy][dx]);
} else {
snprintf(str, sizeof(str),
"%s%d", op_names[op], size);
}
if (check_func(dsp.mc[hsize][filter][op][dx][dy],
"vp9_%s_%dbpp", str, bit_depth)) {
int mx = dx ? 1 + (rnd() % 14) : 0;
int my = dy ? 1 + (rnd() % 14) : 0;
randomize_buffers();
call_ref(dst0, size * SIZEOF_PIXEL,
src, SRC_BUF_STRIDE * SIZEOF_PIXEL,
size, mx, my);
call_new(dst1, size * SIZEOF_PIXEL,
src, SRC_BUF_STRIDE * SIZEOF_PIXEL,
size, mx, my);
if (memcmp(dst0, dst1, DST_BUF_SIZE))
fail();
// simd implementations for each filter of subpel
// functions are identical
if (filter >= 1 && filter <= 2) continue;
// 10/12 bpp for bilin are identical
if (bit_depth == 12 && filter == 3) continue;
bench_new(dst1, size * SIZEOF_PIXEL,
src, SRC_BUF_STRIDE * SIZEOF_PIXEL,
size, mx, my);
}
}
}
}
}
}
}
report("mc");
}
void checkasm_check_vp9dsp(void)
{
check_ipred();
check_loopfilter();
check_mc();
}