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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/swscale.h"
#include "libswscale/swscale_internal.h"
#include "checkasm.h"
#define randomize_buffers(buf, size) \
do { \
for (int j = 0; j < size; j += 4) \
AV_WN32(buf + j, rnd()); \
} while (0)
static const int dst_fmts[] = {
// AV_PIX_FMT_BGR48BE,
// AV_PIX_FMT_BGR48LE,
// AV_PIX_FMT_RGB48BE,
// AV_PIX_FMT_RGB48LE,
AV_PIX_FMT_ARGB,
AV_PIX_FMT_ABGR,
AV_PIX_FMT_RGBA,
AV_PIX_FMT_BGRA,
AV_PIX_FMT_RGB24,
AV_PIX_FMT_BGR24,
AV_PIX_FMT_RGB565,
AV_PIX_FMT_BGR565,
AV_PIX_FMT_RGB555,
AV_PIX_FMT_BGR555,
// AV_PIX_FMT_RGB444,
// AV_PIX_FMT_BGR444,
// AV_PIX_FMT_RGB8,
// AV_PIX_FMT_BGR8,
// AV_PIX_FMT_RGB4,
// AV_PIX_FMT_BGR4,
// AV_PIX_FMT_RGB4_BYTE,
// AV_PIX_FMT_BGR4_BYTE,
// AV_PIX_FMT_MONOBLACK,
AV_PIX_FMT_GBRP,
};
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 int cmp_555_by_n(const uint8_t *ref, const uint8_t *test, size_t n, int accuracy)
{
const uint16_t *ref16 = (const uint16_t *) ref;
const uint16_t *test16 = (const uint16_t *) test;
for (size_t i = 0; i < n; i++) {
if (abs(( ref16[i] & 0x1f) - ( test16[i] & 0x1f)) > accuracy)
return 1;
if (abs(((ref16[i] >> 5) & 0x1f) - ((test16[i] >> 5) & 0x1f)) > accuracy)
return 1;
if (abs(((ref16[i] >> 10) & 0x1f) - ((test16[i] >> 10) & 0x1f)) > accuracy)
return 1;
}
return 0;
}
static int cmp_565_by_n(const uint8_t *ref, const uint8_t *test, size_t n, int accuracy)
{
const uint16_t *ref16 = (const uint16_t *) ref;
const uint16_t *test16 = (const uint16_t *) test;
for (size_t i = 0; i < n; i++) {
if (abs(( ref16[i] & 0x1f) - ( test16[i] & 0x1f)) > accuracy)
return 1;
if (abs(((ref16[i] >> 5) & 0x3f) - ((test16[i] >> 5) & 0x3f)) > accuracy)
return 1;
if (abs(((ref16[i] >> 11) & 0x1f) - ((test16[i] >> 11) & 0x1f)) > accuracy)
return 1;
}
return 0;
}
static void check_yuv2rgb(int src_pix_fmt)
{
const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
#define MAX_LINE_SIZE 1920
static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE};
declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT,
int, SwsContext *c, const uint8_t *src[],
int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[]);
LOCAL_ALIGNED_8(uint8_t, src_y, [MAX_LINE_SIZE * 2]);
LOCAL_ALIGNED_8(uint8_t, src_u, [MAX_LINE_SIZE]);
LOCAL_ALIGNED_8(uint8_t, src_v, [MAX_LINE_SIZE]);
LOCAL_ALIGNED_8(uint8_t, src_a, [MAX_LINE_SIZE * 2]);
const uint8_t *src[4] = { src_y, src_u, src_v, src_a };
LOCAL_ALIGNED_8(uint8_t, dst0_0, [2 * MAX_LINE_SIZE * 6]);
LOCAL_ALIGNED_8(uint8_t, dst0_1, [2 * MAX_LINE_SIZE]);
LOCAL_ALIGNED_8(uint8_t, dst0_2, [2 * MAX_LINE_SIZE]);
uint8_t *dst0[4] = { dst0_0, dst0_1, dst0_2 };
uint8_t *lines0[4][2] = {
{ dst0_0, dst0_0 + MAX_LINE_SIZE * 6 },
{ dst0_1, dst0_1 + MAX_LINE_SIZE },
{ dst0_2, dst0_2 + MAX_LINE_SIZE }
};
LOCAL_ALIGNED_8(uint8_t, dst1_0, [2 * MAX_LINE_SIZE * 6]);
LOCAL_ALIGNED_8(uint8_t, dst1_1, [2 * MAX_LINE_SIZE]);
LOCAL_ALIGNED_8(uint8_t, dst1_2, [2 * MAX_LINE_SIZE]);
uint8_t *dst1[4] = { dst1_0, dst1_1, dst1_2 };
uint8_t *lines1[4][2] = {
{ dst1_0, dst1_0 + MAX_LINE_SIZE * 6 },
{ dst1_1, dst1_1 + MAX_LINE_SIZE },
{ dst1_2, dst1_2 + MAX_LINE_SIZE }
};
randomize_buffers(src_y, MAX_LINE_SIZE * 2);
randomize_buffers(src_u, MAX_LINE_SIZE);
randomize_buffers(src_v, MAX_LINE_SIZE);
randomize_buffers(src_a, MAX_LINE_SIZE * 2);
for (int dfi = 0; dfi < FF_ARRAY_ELEMS(dst_fmts); dfi++) {
int dst_pix_fmt = dst_fmts[dfi];
const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
int sample_size = av_get_padded_bits_per_pixel(dst_desc) >> 3;
for (int isi = 0; isi < FF_ARRAY_ELEMS(input_sizes); isi++) {
struct SwsContext *ctx;
int log_level;
int width = input_sizes[isi];
int srcSliceY = 0;
int srcSliceH = 2;
int srcStride[4] = {
width,
width >> src_desc->log2_chroma_w,
width >> src_desc->log2_chroma_w,
width,
};
int dstStride[4] = {
MAX_LINE_SIZE * 6,
MAX_LINE_SIZE,
MAX_LINE_SIZE,
};
// override log level to prevent spamming of the message
// "No accelerated colorspace conversion found from %s to %s"
log_level = av_log_get_level();
av_log_set_level(AV_LOG_ERROR);
ctx = sws_getContext(width, srcSliceH, src_pix_fmt,
width, srcSliceH, dst_pix_fmt,
0, NULL, NULL, NULL);
av_log_set_level(log_level);
if (!ctx)
fail();
if (check_func(ctx->convert_unscaled, "%s_%s_%d", src_desc->name, dst_desc->name, width)) {
memset(dst0_0, 0xFF, 2 * MAX_LINE_SIZE * 6);
memset(dst1_0, 0xFF, 2 * MAX_LINE_SIZE * 6);
if (dst_pix_fmt == AV_PIX_FMT_GBRP) {
memset(dst0_1, 0xFF, MAX_LINE_SIZE);
memset(dst0_2, 0xFF, MAX_LINE_SIZE);
memset(dst1_1, 0xFF, MAX_LINE_SIZE);
memset(dst1_2, 0xFF, MAX_LINE_SIZE);
}
call_ref(ctx, src, srcStride, srcSliceY,
srcSliceH, dst0, dstStride);
call_new(ctx, src, srcStride, srcSliceY,
srcSliceH, dst1, dstStride);
if (dst_pix_fmt == AV_PIX_FMT_ARGB ||
dst_pix_fmt == AV_PIX_FMT_ABGR ||
dst_pix_fmt == AV_PIX_FMT_RGBA ||
dst_pix_fmt == AV_PIX_FMT_BGRA ||
dst_pix_fmt == AV_PIX_FMT_RGB24 ||
dst_pix_fmt == AV_PIX_FMT_BGR24) {
if (cmp_off_by_n(lines0[0][0], lines1[0][0], width * sample_size, 3) ||
cmp_off_by_n(lines0[0][1], lines1[0][1], width * sample_size, 3))
fail();
} else if (dst_pix_fmt == AV_PIX_FMT_RGB565 ||
dst_pix_fmt == AV_PIX_FMT_BGR565) {
if (cmp_565_by_n(lines0[0][0], lines1[0][0], width, 2) ||
cmp_565_by_n(lines0[0][1], lines1[0][1], width, 2))
fail();
} else if (dst_pix_fmt == AV_PIX_FMT_RGB555 ||
dst_pix_fmt == AV_PIX_FMT_BGR555) {
if (cmp_555_by_n(lines0[0][0], lines1[0][0], width, 2) ||
cmp_555_by_n(lines0[0][1], lines1[0][1], width, 2))
fail();
} else if (dst_pix_fmt == AV_PIX_FMT_GBRP) {
for (int p = 0; p < 3; p++)
for (int l = 0; l < 2; l++)
if (cmp_off_by_n(lines0[p][l], lines1[p][l], width, 3))
fail();
} else {
fail();
}
bench_new(ctx, src, srcStride, srcSliceY,
srcSliceH, dst0, dstStride);
}
sws_freeContext(ctx);
}
}
}
#undef MAX_LINE_SIZE
void checkasm_check_sw_yuv2rgb(void)
{
check_yuv2rgb(AV_PIX_FMT_YUV420P);
report("yuv420p");
check_yuv2rgb(AV_PIX_FMT_YUV422P);
report("yuv422p");
check_yuv2rgb(AV_PIX_FMT_YUVA420P);
report("yuva420p");
}
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