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ffmpeg/tests/checkasm/sw_rgb.c
Zhao Zhili e18b46d95f swscale/aarch64: Fix rgb24toyv12 only works with aligned width 
Since c0666d8b, rgb24toyv12 is broken for width non-aligned to 16.
Add a simple wrapper to handle the non-aligned part.

Co-authored-by: johzzy <hellojinqiang@gmail.com>
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2024-09-24 10:24:14 +08:00

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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_internal.h"
#include "libavutil/pixdesc.h"
#include "libswscale/rgb2rgb.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.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(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(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);
}
}
#define NUM_LINES 5
#define MAX_LINE_SIZE 1920
#define BUFSIZE (NUM_LINES * MAX_LINE_SIZE)
static int cmp_off_by_n(const uint8_t *ref, const uint8_t *test, size_t n, int accuracy)
{
for (size_t i = 0; i < n; i++) {
if (abs(ref[i] - test[i]) > accuracy)
return 1;
}
return 0;
}
static void check_rgb24toyv12(struct SwsContext *ctx)
{
static const int input_sizes[] = {2, 16, 128, 540, MAX_LINE_SIZE, -MAX_LINE_SIZE};
LOCAL_ALIGNED_32(uint8_t, src, [BUFSIZE * 3]);
LOCAL_ALIGNED_32(uint8_t, buf_y_0, [BUFSIZE]);
LOCAL_ALIGNED_32(uint8_t, buf_y_1, [BUFSIZE]);
LOCAL_ALIGNED_32(uint8_t, buf_u_0, [BUFSIZE / 4]);
LOCAL_ALIGNED_32(uint8_t, buf_u_1, [BUFSIZE / 4]);
LOCAL_ALIGNED_32(uint8_t, buf_v_0, [BUFSIZE / 4]);
LOCAL_ALIGNED_32(uint8_t, buf_v_1, [BUFSIZE / 4]);
declare_func(void, const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst, int width, int height, int lumStride,
int chromStride, int srcStride, int32_t *rgb2yuv);
randomize_buffers(src, BUFSIZE * 3);
for (int isi = 0; isi < FF_ARRAY_ELEMS(input_sizes); isi++) {
int input_size = input_sizes[isi];
int negstride = input_size < 0;
const char *negstride_str = negstride ? "_negstride" : "";
int width = FFABS(input_size);
int linesize = width + 32;
/* calculate height based on specified width to use the entire buffer. */
int height = (BUFSIZE / linesize) & ~1;
uint8_t *src0 = src;
uint8_t *src1 = src;
uint8_t *dst_y_0 = buf_y_0;
uint8_t *dst_y_1 = buf_y_1;
uint8_t *dst_u_0 = buf_u_0;
uint8_t *dst_u_1 = buf_u_1;
uint8_t *dst_v_0 = buf_v_0;
uint8_t *dst_v_1 = buf_v_1;
if (negstride) {
src0 += (height - 1) * (linesize * 3);
src1 += (height - 1) * (linesize * 3);
dst_y_0 += (height - 1) * linesize;
dst_y_1 += (height - 1) * linesize;
dst_u_0 += ((height / 2) - 1) * (linesize / 2);
dst_u_1 += ((height / 2) - 1) * (linesize / 2);
dst_v_0 += ((height / 2) - 1) * (linesize / 2);
dst_v_1 += ((height / 2) - 1) * (linesize / 2);
linesize *= -1;
}
if (check_func(ff_rgb24toyv12, "rgb24toyv12_%d_%d%s", width, height, negstride_str)) {
memset(buf_y_0, 0xFF, BUFSIZE);
memset(buf_y_1, 0xFF, BUFSIZE);
memset(buf_u_0, 0xFF, BUFSIZE / 4);
memset(buf_u_1, 0xFF, BUFSIZE / 4);
memset(buf_v_0, 0xFF, BUFSIZE / 4);
memset(buf_v_1, 0xFF, BUFSIZE / 4);
call_ref(src0, dst_y_0, dst_u_0, dst_v_0, width, height,
linesize, linesize / 2, linesize * 3, ctx->input_rgb2yuv_table);
call_new(src1, dst_y_1, dst_u_1, dst_v_1, width, height,
linesize, linesize / 2, linesize * 3, ctx->input_rgb2yuv_table);
if (cmp_off_by_n(buf_y_0, buf_y_1, BUFSIZE, 1) ||
cmp_off_by_n(buf_u_0, buf_u_1, BUFSIZE / 4, 1) ||
cmp_off_by_n(buf_v_0, buf_v_1, BUFSIZE / 4, 1))
fail();
bench_new(src1, dst_y_1, dst_u_1, dst_v_1, width, height,
linesize, linesize / 2, linesize * 3, ctx->input_rgb2yuv_table);
}
}
}
#undef NUM_LINES
#undef MAX_LINE_SIZE
#undef BUFSIZE
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(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);
}
}
static void check_deinterleave_bytes(void)
{
LOCAL_ALIGNED_16(uint8_t, src_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
LOCAL_ALIGNED_16(uint8_t, dst0_u_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst0_v_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst1_u_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst1_v_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
// Intentionally using unaligned buffers, as this function doesn't have
// any alignment requirements.
uint8_t *src = src_buf + 2;
uint8_t *dst0_u = dst0_u_buf + 1;
uint8_t *dst0_v = dst0_v_buf + 1;
uint8_t *dst1_u = dst1_u_buf + 1;
uint8_t *dst1_v = dst1_v_buf + 1;
declare_func(void, const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
int width, int height, int srcStride,
int dst1Stride, int dst2Stride);
randomize_buffers(src, 2*MAX_STRIDE*MAX_HEIGHT+2);
if (check_func(deinterleaveBytes, "deinterleave_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 src_offset = 0, src_stride = 2 * MAX_STRIDE;
int dst_u_offset = 0, dst_u_stride = MAX_STRIDE;
int dst_v_offset = 0, dst_v_stride = MAX_STRIDE;
memset(dst0_u, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst0_v, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst1_u, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst1_v, 0, MAX_STRIDE * MAX_HEIGHT);
// Try different combinations of negative strides
if (i & 1) {
src_offset = (h-1)*src_stride;
src_stride = -src_stride;
}
if (i & 2) {
dst_u_offset = (h-1)*dst_u_stride;
dst_u_stride = -dst_u_stride;
}
if (i & 4) {
dst_v_offset = (h-1)*dst_v_stride;
dst_v_stride = -dst_v_stride;
}
call_ref(src + src_offset, dst0_u + dst_u_offset, dst0_v + dst_v_offset,
w, h, src_stride, dst_u_stride, dst_v_stride);
call_new(src + src_offset, dst1_u + dst_u_offset, dst1_v + dst_v_offset,
w, h, src_stride, dst_u_stride, dst_v_stride);
// Check a one pixel-pair edge around the destination area,
// to catch overwrites past the end.
checkasm_check(uint8_t, dst0_u, MAX_STRIDE, dst1_u, MAX_STRIDE,
w + 1, h + 1, "dst_u");
checkasm_check(uint8_t, dst0_v, MAX_STRIDE, dst1_v, MAX_STRIDE,
w + 1, h + 1, "dst_v");
}
bench_new(src, dst1_u, dst1_v, 127, MAX_HEIGHT,
2*MAX_STRIDE, MAX_STRIDE, MAX_STRIDE);
}
if (check_func(deinterleaveBytes, "deinterleave_bytes_aligned")) {
// Bench the function in a more typical case, with aligned
// buffers and widths.
bench_new(src_buf, dst1_u_buf, dst1_v_buf, 128, MAX_HEIGHT,
2*MAX_STRIDE, MAX_STRIDE, MAX_STRIDE);
}
}
#define MAX_LINE_SIZE 1920
static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE};
static const enum AVPixelFormat rgb_formats[] = {
AV_PIX_FMT_RGB24,
AV_PIX_FMT_BGR24,
AV_PIX_FMT_RGBA,
AV_PIX_FMT_BGRA,
AV_PIX_FMT_ABGR,
AV_PIX_FMT_ARGB,
};
static void check_rgb_to_y(struct SwsContext *ctx)
{
LOCAL_ALIGNED_16(uint8_t, src24, [MAX_LINE_SIZE * 3]);
LOCAL_ALIGNED_16(uint8_t, src32, [MAX_LINE_SIZE * 4]);
LOCAL_ALIGNED_32(uint8_t, dst0_y, [MAX_LINE_SIZE * 2]);
LOCAL_ALIGNED_32(uint8_t, dst1_y, [MAX_LINE_SIZE * 2]);
declare_func(void, uint8_t *dst, const uint8_t *src,
const uint8_t *unused1, const uint8_t *unused2, int width,
uint32_t *rgb2yuv, void *opq);
randomize_buffers(src24, MAX_LINE_SIZE * 3);
randomize_buffers(src32, MAX_LINE_SIZE * 4);
for (int i = 0; i < FF_ARRAY_ELEMS(rgb_formats); i++) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(rgb_formats[i]);
ctx->srcFormat = rgb_formats[i];
ff_sws_init_scale(ctx);
for (int j = 0; j < FF_ARRAY_ELEMS(input_sizes); j++) {
int w = input_sizes[j];
if (check_func(ctx->lumToYV12, "%s_to_y_%d", desc->name, w)) {
const uint8_t *src = desc->nb_components == 3 ? src24 : src32;
memset(dst0_y, 0xFA, MAX_LINE_SIZE * 2);
memset(dst1_y, 0xFA, MAX_LINE_SIZE * 2);
call_ref(dst0_y, src, NULL, NULL, w, ctx->input_rgb2yuv_table, NULL);
call_new(dst1_y, src, NULL, NULL, w, ctx->input_rgb2yuv_table, NULL);
if (memcmp(dst0_y, dst1_y, w * 2))
fail();
if (desc->nb_components == 3 ||
// only bench native endian formats
(ctx->srcFormat == AV_PIX_FMT_RGB32 || ctx->srcFormat == AV_PIX_FMT_RGB32_1))
bench_new(dst1_y, src, NULL, NULL, w, ctx->input_rgb2yuv_table, NULL);
}
}
}
}
static void check_rgb_to_uv(struct SwsContext *ctx)
{
LOCAL_ALIGNED_16(uint8_t, src24, [MAX_LINE_SIZE * 3]);
LOCAL_ALIGNED_16(uint8_t, src32, [MAX_LINE_SIZE * 4]);
LOCAL_ALIGNED_16(uint8_t, dst0_u, [MAX_LINE_SIZE * 2]);
LOCAL_ALIGNED_16(uint8_t, dst0_v, [MAX_LINE_SIZE * 2]);
LOCAL_ALIGNED_16(uint8_t, dst1_u, [MAX_LINE_SIZE * 2]);
LOCAL_ALIGNED_16(uint8_t, dst1_v, [MAX_LINE_SIZE * 2]);
declare_func(void, uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal, void *opq);
randomize_buffers(src24, MAX_LINE_SIZE * 3);
randomize_buffers(src32, MAX_LINE_SIZE * 4);
for (int i = 0; i < 2 * FF_ARRAY_ELEMS(rgb_formats); i++) {
enum AVPixelFormat src_fmt = rgb_formats[i / 2];
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(src_fmt);
ctx->chrSrcHSubSample = (i % 2) ? 0 : 1;
ctx->srcFormat = src_fmt;
ctx->dstFormat = ctx->chrSrcHSubSample ? AV_PIX_FMT_YUV420P : AV_PIX_FMT_YUV444P;
ff_sws_init_scale(ctx);
for (int j = 0; j < FF_ARRAY_ELEMS(input_sizes); j++) {
int w = input_sizes[j] >> ctx->chrSrcHSubSample;
if (check_func(ctx->chrToYV12, "%s_to_uv%s_%d", desc->name,
ctx->chrSrcHSubSample ? "_half" : "",
input_sizes[j])) {
const uint8_t *src = desc->nb_components == 3 ? src24 : src32;
memset(dst0_u, 0xFF, MAX_LINE_SIZE * 2);
memset(dst0_v, 0xFF, MAX_LINE_SIZE * 2);
memset(dst1_u, 0xFF, MAX_LINE_SIZE * 2);
memset(dst1_v, 0xFF, MAX_LINE_SIZE * 2);
call_ref(dst0_u, dst0_v, NULL, src, src, w, ctx->input_rgb2yuv_table, NULL);
call_new(dst1_u, dst1_v, NULL, src, src, w, ctx->input_rgb2yuv_table, NULL);
if (memcmp(dst0_u, dst1_u, w * 2) || memcmp(dst0_v, dst1_v, w * 2))
fail();
if (desc->nb_components == 3 ||
// only bench native endian formats
(ctx->srcFormat == AV_PIX_FMT_RGB32 || ctx->srcFormat == AV_PIX_FMT_RGB32_1))
bench_new(dst1_u, dst1_v, NULL, src, src, w, ctx->input_rgb2yuv_table, NULL);
}
}
}
}
void checkasm_check_sw_rgb(void)
{
struct SwsContext *ctx;
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");
check_deinterleave_bytes();
report("deinterleave_bytes");
ctx = sws_getContext(MAX_LINE_SIZE, MAX_LINE_SIZE, AV_PIX_FMT_RGB24,
MAX_LINE_SIZE, MAX_LINE_SIZE, AV_PIX_FMT_YUV420P,
SWS_ACCURATE_RND | SWS_BITEXACT, NULL, NULL, NULL);
if (!ctx)
fail();
check_rgb_to_y(ctx);
report("rgb_to_y");
check_rgb_to_uv(ctx);
report("rgb_to_uv");
check_rgb24toyv12(ctx);
report("rgb24toyv12");
sws_freeContext(ctx);
}
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