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/*
*
* 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 "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libswscale/rgb2rgb.h"
#include "checkasm.h"
#define randomize_buffers(buf, size) \
do { \
int j; \
for (j = 0; j < size; j+=4) \
AV_WN32(buf + j, rnd()); \
} while (0)
static const uint8_t width[] = {12, 16, 20, 32, 36, 128};
static const struct {uint8_t w, h, s;} planes[] = {
{12,16,12}, {16,16,16}, {20,23,25}, {32,18,48}, {8,128,16}, {128,128,128}
};
#define MAX_STRIDE 128
#define MAX_HEIGHT 128
static void check_shuffle_bytes(void * func, const char * report)
{
int i;
LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE]);
declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *src, uint8_t *dst, int src_size);
memset(dst0, 0, MAX_STRIDE);
memset(dst1, 0, MAX_STRIDE);
randomize_buffers(src0, MAX_STRIDE);
memcpy(src1, src0, MAX_STRIDE);
if (check_func(func, "%s", report)) {
for (i = 0; i < 6; i ++) {
call_ref(src0, dst0, width[i]);
call_new(src1, dst1, width[i]);
if (memcmp(dst0, dst1, MAX_STRIDE))
fail();
}
bench_new(src0, dst0, width[5]);
}
}
static void check_uyvy_to_422p(void)
{
int i;
LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT * 2]);
LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT * 2]);
LOCAL_ALIGNED_32(uint8_t, dst_y_0, [MAX_STRIDE * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, dst_y_1, [MAX_STRIDE * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, dst_u_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, dst_u_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, dst_v_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, dst_v_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);
declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride);
randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT * 2);
memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT * 2);
if (check_func(uyvytoyuv422, "uyvytoyuv422")) {
for (i = 0; i < 6; i ++) {
memset(dst_y_0, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst_y_1, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst_u_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
memset(dst_u_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
memset(dst_v_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
memset(dst_v_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
call_ref(dst_y_0, dst_u_0, dst_v_0, src0, planes[i].w, planes[i].h,
MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);
call_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[i].w, planes[i].h,
MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);
if (memcmp(dst_y_0, dst_y_1, MAX_STRIDE * MAX_HEIGHT) ||
memcmp(dst_u_0, dst_u_1, (MAX_STRIDE/2) * MAX_HEIGHT) ||
memcmp(dst_v_0, dst_v_1, (MAX_STRIDE/2) * MAX_HEIGHT))
fail();
}
bench_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[5].w, planes[5].h,
MAX_STRIDE, MAX_STRIDE / 2, planes[5].s);
}
}
static void check_interleave_bytes(void)
{
LOCAL_ALIGNED_16(uint8_t, src0_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, src1_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst0_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
LOCAL_ALIGNED_16(uint8_t, dst1_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
// Intentionally using unaligned buffers, as this function doesn't have
// any alignment requirements.
uint8_t *src0 = src0_buf + 1;
uint8_t *src1 = src1_buf + 1;
uint8_t *dst0 = dst0_buf + 2;
uint8_t *dst1 = dst1_buf + 2;
declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *, const uint8_t *,
uint8_t *, int, int, int, int, int);
randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
randomize_buffers(src1, MAX_STRIDE * MAX_HEIGHT);
if (check_func(interleaveBytes, "interleave_bytes")) {
for (int i = 0; i <= 16; i++) {
// Try all widths [1,16], and try one random width.
int w = i > 0 ? i : (1 + (rnd() % (MAX_STRIDE-2)));
int h = 1 + (rnd() % (MAX_HEIGHT-2));
int src0_offset = 0, src0_stride = MAX_STRIDE;
int src1_offset = 0, src1_stride = MAX_STRIDE;
int dst_offset = 0, dst_stride = 2 * MAX_STRIDE;
memset(dst0, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
memset(dst1, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
// Try different combinations of negative strides
if (i & 1) {
src0_offset = (h-1)*src0_stride;
src0_stride = -src0_stride;
}
if (i & 2) {
src1_offset = (h-1)*src1_stride;
src1_stride = -src1_stride;
}
if (i & 4) {
dst_offset = (h-1)*dst_stride;
dst_stride = -dst_stride;
}
call_ref(src0 + src0_offset, src1 + src1_offset, dst0 + dst_offset,
w, h, src0_stride, src1_stride, dst_stride);
call_new(src0 + src0_offset, src1 + src1_offset, dst1 + dst_offset,
w, h, src0_stride, src1_stride, dst_stride);
// Check a one pixel-pair edge around the destination area,
// to catch overwrites past the end.
checkasm_check(uint8_t, dst0, 2*MAX_STRIDE, dst1, 2*MAX_STRIDE,
2 * w + 2, h + 1, "dst");
}
bench_new(src0, src1, dst1, 127, MAX_HEIGHT,
MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
}
if (check_func(interleaveBytes, "interleave_bytes_aligned")) {
// Bench the function in a more typical case, with aligned
// buffers and widths.
bench_new(src0_buf, src1_buf, dst1_buf, 128, MAX_HEIGHT,
MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
}
}
void checkasm_check_sw_rgb(void)
{
ff_sws_rgb2rgb_init();
check_shuffle_bytes(shuffle_bytes_2103, "shuffle_bytes_2103");
report("shuffle_bytes_2103");
check_shuffle_bytes(shuffle_bytes_0321, "shuffle_bytes_0321");
report("shuffle_bytes_0321");
check_shuffle_bytes(shuffle_bytes_1230, "shuffle_bytes_1230");
report("shuffle_bytes_1230");
check_shuffle_bytes(shuffle_bytes_3012, "shuffle_bytes_3012");
report("shuffle_bytes_3012");
check_shuffle_bytes(shuffle_bytes_3210, "shuffle_bytes_3210");
report("shuffle_bytes_3210");
check_uyvy_to_422p();
report("uyvytoyuv422");
check_interleave_bytes();
report("interleave_bytes");
}
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