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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 Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/mem_internal.h"
#include "libavcodec/mpegvideoencdsp.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_pix_sum(MpegvideoEncDSPContext *c)
{
LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
declare_func(int, const uint8_t *pix, ptrdiff_t line_size);
randomize_buffers(src, 16 * 16);
for (int n = 0; n < 2; n++) {
const char *negstride_str = n ? "_negstride" : "";
if (check_func(c->pix_sum, "pix_sum%s", negstride_str)) {
int sum0, sum1;
const uint8_t *pix = src + (n ? (15 * 16) : 0);
ptrdiff_t line_size = 16 * (n ? -1 : 1);
sum0 = call_ref(pix, line_size);
sum1 = call_new(pix, line_size);
if (sum0 != sum1)
fail();
bench_new(pix, line_size);
}
}
}
static void check_pix_norm1(MpegvideoEncDSPContext *c)
{
LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
declare_func(int, const uint8_t *pix, ptrdiff_t line_size);
randomize_buffers(src, 16 * 16);
for (int n = 0; n < 2; n++) {
const char *negstride_str = n ? "_negstride" : "";
if (check_func(c->pix_norm1, "pix_norm1%s", negstride_str)) {
int sum0, sum1;
const uint8_t *pix = src + (n ? (15 * 16) : 0);
ptrdiff_t line_size = 16 * (n ? -1 : 1);
sum0 = call_ref(pix, line_size);
sum1 = call_new(pix, line_size);
if (sum0 != sum1)
fail();
bench_new(pix, line_size);
}
}
}
#define NUM_LINES 4
#define MAX_LINE_SIZE 1920
#define EDGE_WIDTH 16
#define LINESIZE (EDGE_WIDTH + MAX_LINE_SIZE + EDGE_WIDTH)
#define BUFSIZE ((EDGE_WIDTH + NUM_LINES + EDGE_WIDTH) * LINESIZE)
static void check_draw_edges(MpegvideoEncDSPContext *c)
{
static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE, -MAX_LINE_SIZE};
LOCAL_ALIGNED_16(uint8_t, buf0, [BUFSIZE]);
LOCAL_ALIGNED_16(uint8_t, buf1, [BUFSIZE]);
declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *buf, ptrdiff_t wrap, int width, int height,
int w, int h, int sides);
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);
ptrdiff_t linesize = EDGE_WIDTH + width + EDGE_WIDTH;
/* calculate height based on specified width to use the entire buffer. */
int height = (BUFSIZE / linesize) - (2 * EDGE_WIDTH);
uint8_t *dst0 = buf0 + EDGE_WIDTH * linesize + EDGE_WIDTH;
uint8_t *dst1 = buf1 + EDGE_WIDTH * linesize + EDGE_WIDTH;
if (negstride) {
dst0 += (height - 1) * linesize;
dst1 += (height - 1) * linesize;
linesize *= -1;
}
for (int shift = 0; shift < 3; shift++) {
int edge = EDGE_WIDTH >> shift;
if (check_func(c->draw_edges, "draw_edges_%d_%d_%d%s", width, height, edge, negstride_str)) {
randomize_buffers(buf0, BUFSIZE);
memcpy(buf1, buf0, BUFSIZE);
call_ref(dst0, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
call_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
if (memcmp(buf0, buf1, BUFSIZE))
fail();
bench_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
}
}
}
}
#undef NUM_LINES
#undef MAX_LINE_SIZE
#undef EDGE_WIDTH
#undef LINESIZE
#undef BUFSIZE
void checkasm_check_mpegvideoencdsp(void)
{
AVCodecContext avctx = {
.bits_per_raw_sample = 8,
};
MpegvideoEncDSPContext c = { 0 };
ff_mpegvideoencdsp_init(&c, &avctx);
check_pix_sum(&c);
report("pix_sum");
check_pix_norm1(&c);
report("pix_norm1");
check_draw_edges(&c);
report("draw_edges");
}
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