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/*
* Copyright (c) 2019 - 2021 Andri Yngvason
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "zrle.h"
#include "rfb-proto.h"
#include "vec.h"
#include "neatvnc.h"
#include "pixels.h"
#include <stdio.h>
#include <stdlib.h>
#include <libdrm/drm_fourcc.h>
#include <pixman.h>
#include <time.h>
#include <inttypes.h>
static uint64_t gettime_us(clockid_t clock)
{
struct timespec ts = { 0 };
clock_gettime(clock, &ts);
return ts.tv_sec * 1000000ULL + ts.tv_nsec / 1000ULL;
}
#pragma GCC push_options
#pragma GCC optimize ("-O0")
static void memcpy_unoptimized(void* dst, const void* src, size_t len)
{
memcpy(dst, src, len);
}
#pragma GCC pop_options
struct nvnc_fb* read_png_file(const char *filename);
static int run_benchmark(const char *image)
{
int rc = -1;
struct nvnc_fb* fb = read_png_file(image);
if (!fb)
return -1;
void *addr = nvnc_fb_get_addr(fb);
int width = nvnc_fb_get_width(fb);
int height = nvnc_fb_get_height(fb);
int stride = nvnc_fb_get_stride(fb);
struct rfb_pixel_format pixfmt;
rfb_pixfmt_from_fourcc(&pixfmt, DRM_FORMAT_ARGB8888);
struct pixman_region16 region;
pixman_region_init(®ion);
pixman_region_union_rect(®ion, ®ion, 0, 0, width, height);
struct vec frame;
vec_init(&frame, stride * height * 3 / 2);
z_stream zs = { 0 };
deflateInit2(&zs, /* compression level: */ 1,
/* method: */ Z_DEFLATED,
/* window bits: */ 15,
/* mem level: */ 9,
/* strategy: */ Z_DEFAULT_STRATEGY);
void *dummy = malloc(stride * height * 4);
if (!dummy)
goto failure;
uint64_t start_time = gettime_us(CLOCK_PROCESS_CPUTIME_ID);
memcpy_unoptimized(dummy, addr, stride * height * 4);
uint64_t end_time = gettime_us(CLOCK_PROCESS_CPUTIME_ID);
printf("memcpy baseline for %s took %"PRIu64" micro seconds\n", image,
end_time - start_time);
free(dummy);
start_time = gettime_us(CLOCK_PROCESS_CPUTIME_ID);
rc = zrle_encode_frame(&zs, &frame, &pixfmt, fb, &pixfmt, ®ion);
end_time = gettime_us(CLOCK_PROCESS_CPUTIME_ID);
printf("Encoding %s took %"PRIu64" micro seconds\n", image,
end_time - start_time);
double orig_size = stride * height * 4;
double compressed_size = frame.len;
double reduction = (orig_size - compressed_size) / orig_size;
printf("Size reduction: %.1f %%\n", reduction * 100.0);
deflateEnd(&zs);
if (rc < 0)
goto failure;
rc = 0;
failure:
pixman_region_fini(®ion);
vec_destroy(&frame);
nvnc_fb_unref(fb);
return 0;
}
int main(int argc, char *argv[])
{
int rc = 0;
char *image = argv[1];
if (image)
return run_benchmark(image) < 0 ? 1 :0;
rc |= run_benchmark("test-images/tv-test-card.png") < 0 ? 1 : 0;
rc |= run_benchmark("test-images/lena-soderberg.png") < 0 ? 1 : 0;
return rc;
}
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