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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 "libavutil/mem_internal.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
#include "checkasm.h"
static const enum AVPixelFormat pixel_formats[] = {
AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUV444P9,
AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_YUV444P12,
AV_PIX_FMT_YUV444P14,
AV_PIX_FMT_YUV444P16,
};
static void randomize_buffers(int16_t *buf0, int16_t *buf1, int bit_depth, int width)
{
int32_t *buf0_32 = (int32_t *) buf0;
int32_t *buf1_32 = (int32_t *) buf1;
int mask = (1 << bit_depth) - 1;
int src_shift = bit_depth <= 14 ? 15 - bit_depth : 19 - bit_depth;
for (int i = 0; i < width; i++) {
int32_t r = rnd() & mask;
if (bit_depth == 16) {
buf0_32[i] = r << src_shift;
buf1_32[i] = r << src_shift;
} else {
buf0[i] = r << src_shift;
buf1[i] = r << src_shift;
}
}
}
static void check_lumConvertRange(int from)
{
const char *func_str = from ? "lumRangeFromJpeg" : "lumRangeToJpeg";
#define LARGEST_INPUT_SIZE 1920
static const int input_sizes[] = {8, LARGEST_INPUT_SIZE};
SwsContext *sws;
SwsInternal *c;
LOCAL_ALIGNED_32(int16_t, dst0, [LARGEST_INPUT_SIZE * 2]);
LOCAL_ALIGNED_32(int16_t, dst1, [LARGEST_INPUT_SIZE * 2]);
declare_func(void, int16_t *dst, int width);
sws = sws_alloc_context();
if (sws_init_context(sws, NULL, NULL) < 0)
fail();
c = sws_internal(sws);
c->opts.src_range = from;
c->opts.dst_range = !from;
for (int pfi = 0; pfi < FF_ARRAY_ELEMS(pixel_formats); pfi++) {
enum AVPixelFormat pix_fmt = pixel_formats[pfi];
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
int bit_depth = desc->comp[0].depth;
int sample_size = bit_depth == 16 ? sizeof(int32_t) : sizeof(int16_t);
c->opts.src_format = pix_fmt;
c->opts.dst_format = pix_fmt;
c->dstBpc = bit_depth;
ff_sws_init_scale(c);
for (int dstWi = 0; dstWi < FF_ARRAY_ELEMS(input_sizes); dstWi++) {
int width = input_sizes[dstWi];
if (check_func(c->lumConvertRange, "%s%d_%d", func_str, bit_depth, width)) {
randomize_buffers(dst0, dst1, bit_depth, width);
call_ref(dst0, width);
call_new(dst1, width);
if (memcmp(dst0, dst1, width * sample_size))
fail();
if (width == LARGEST_INPUT_SIZE && (bit_depth == 8 || bit_depth == 16))
bench_new(dst1, width);
}
}
}
sws_freeContext(sws);
}
#undef LARGEST_INPUT_SIZE
static void check_chrConvertRange(int from)
{
const char *func_str = from ? "chrRangeFromJpeg" : "chrRangeToJpeg";
#define LARGEST_INPUT_SIZE 1920
static const int input_sizes[] = {8, LARGEST_INPUT_SIZE};
SwsContext *sws;
SwsInternal *c;
LOCAL_ALIGNED_32(int16_t, dstU0, [LARGEST_INPUT_SIZE * 2]);
LOCAL_ALIGNED_32(int16_t, dstV0, [LARGEST_INPUT_SIZE * 2]);
LOCAL_ALIGNED_32(int16_t, dstU1, [LARGEST_INPUT_SIZE * 2]);
LOCAL_ALIGNED_32(int16_t, dstV1, [LARGEST_INPUT_SIZE * 2]);
declare_func(void, int16_t *dstU, int16_t *dstV, int width);
sws = sws_alloc_context();
if (sws_init_context(sws, NULL, NULL) < 0)
fail();
c = sws_internal(sws);
c->opts.src_range = from;
c->opts.dst_range = !from;
for (int pfi = 0; pfi < FF_ARRAY_ELEMS(pixel_formats); pfi++) {
enum AVPixelFormat pix_fmt = pixel_formats[pfi];
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
int bit_depth = desc->comp[0].depth;
int sample_size = bit_depth == 16 ? sizeof(int32_t) : sizeof(int16_t);
c->opts.src_format = pix_fmt;
c->opts.dst_format = pix_fmt;
c->dstBpc = bit_depth;
ff_sws_init_scale(c);
for (int dstWi = 0; dstWi < FF_ARRAY_ELEMS(input_sizes); dstWi++) {
int width = input_sizes[dstWi];
if (check_func(c->chrConvertRange, "%s%d_%d", func_str, bit_depth, width)) {
randomize_buffers(dstU0, dstU1, bit_depth, width);
randomize_buffers(dstV0, dstV1, bit_depth, width);
call_ref(dstU0, dstV0, width);
call_new(dstU1, dstV1, width);
if (memcmp(dstU0, dstU1, width * sample_size) ||
memcmp(dstV0, dstV1, width * sample_size))
fail();
if (width == LARGEST_INPUT_SIZE && (bit_depth == 8 || bit_depth == 16))
bench_new(dstU1, dstV1, width);
}
}
}
sws_freeContext(sws);
}
#undef LARGEST_INPUT_SIZE
void checkasm_check_sw_range_convert(void)
{
check_lumConvertRange(1);
report("lumRangeFromJpeg");
check_chrConvertRange(1);
report("chrRangeFromJpeg");
check_lumConvertRange(0);
report("lumRangeToJpeg");
check_chrConvertRange(0);
report("chrRangeToJpeg");
}
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