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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 void check_semiplanar(int dst_pix_fmt)
{
static const int src_fmts[] = {
AV_PIX_FMT_NV24,
AV_PIX_FMT_NV42,
};
const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
#define NUM_LINES 4
#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 * NUM_LINES]);
LOCAL_ALIGNED_8(uint8_t, src_uv, [MAX_LINE_SIZE * NUM_LINES * 2]);
const uint8_t *src[4] = { src_y, src_uv };
LOCAL_ALIGNED_8(uint8_t, dst0_y, [MAX_LINE_SIZE * NUM_LINES]);
LOCAL_ALIGNED_8(uint8_t, dst0_u, [MAX_LINE_SIZE * NUM_LINES / 2]);
LOCAL_ALIGNED_8(uint8_t, dst0_v, [MAX_LINE_SIZE * NUM_LINES / 2]);
uint8_t *dst0[4] = { dst0_y, dst0_u, dst0_v };
LOCAL_ALIGNED_8(uint8_t, dst1_y, [MAX_LINE_SIZE * NUM_LINES]);
LOCAL_ALIGNED_8(uint8_t, dst1_u, [MAX_LINE_SIZE * NUM_LINES / 2]);
LOCAL_ALIGNED_8(uint8_t, dst1_v, [MAX_LINE_SIZE * NUM_LINES / 2]);
uint8_t *dst1[4] = { dst1_y, dst1_u, dst1_v };
randomize_buffers(src_y, MAX_LINE_SIZE * NUM_LINES);
randomize_buffers(src_uv, MAX_LINE_SIZE * NUM_LINES * 2);
for (int sfi = 0; sfi < FF_ARRAY_ELEMS(src_fmts); sfi++) {
int src_pix_fmt = src_fmts[sfi];
const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
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 = NUM_LINES;
int srcStride[4] = {
MAX_LINE_SIZE,
MAX_LINE_SIZE * 2,
};
int dstStride[4] = {
MAX_LINE_SIZE,
MAX_LINE_SIZE >> dst_desc->log2_chroma_w,
MAX_LINE_SIZE >> dst_desc->log2_chroma_w,
};
// 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_y, 0xFF, MAX_LINE_SIZE * NUM_LINES);
memset(dst0_u, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
memset(dst0_v, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
memset(dst1_y, 0xFF, MAX_LINE_SIZE * NUM_LINES);
memset(dst1_u, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
memset(dst1_v, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
call_ref(ctx, src, srcStride, srcSliceY,
srcSliceH, dst0, dstStride);
call_new(ctx, src, srcStride, srcSliceY,
srcSliceH, dst1, dstStride);
if (memcmp(dst0_y, dst1_y, MAX_LINE_SIZE * NUM_LINES) ||
memcmp(dst0_u, dst1_u, MAX_LINE_SIZE * NUM_LINES / 2) ||
memcmp(dst0_v, dst1_v, MAX_LINE_SIZE * NUM_LINES / 2))
fail();
bench_new(ctx, src, srcStride, srcSliceY,
srcSliceH, dst0, dstStride);
}
sws_freeContext(ctx);
}
}
}
#undef NUM_LINES
#undef MAX_LINE_SIZE
void checkasm_check_sw_yuv2yuv(void)
{
check_semiplanar(AV_PIX_FMT_YUV420P);
report("yuv420p");
}
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