mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2025-12-19 13:30:03 +01:00
716c3986c6
Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
130 lines
3.8 KiB
C
130 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2025 Michael Niedermayer
|
|
*
|
|
* 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/frame.h"
|
|
#include "libavutil/adler32.h"
|
|
#include "libpostproc/postprocess.h"
|
|
|
|
typedef const uint8_t *cuint8;
|
|
|
|
static void strips(AVFrame *frame, int mul)
|
|
{
|
|
for(int y=0; y<frame->height; y++) {
|
|
for(int x=0; x<frame->width; x++) {
|
|
if (y&1) {
|
|
frame->data[0][x + y*frame->linesize[0]] = x*x + y*mul;
|
|
} else {
|
|
frame->data[0][x + y*frame->linesize[0]] = (y-x)*(y-x);
|
|
}
|
|
}
|
|
}
|
|
for(int y=0; y<(frame->height+1)/2; y++) {
|
|
for(int x=0; x<(frame->width+1)/2; x++) {
|
|
if (y&1) {
|
|
frame->data[1][x + y*frame->linesize[1]] = x + y + mul;
|
|
frame->data[2][x + y*frame->linesize[2]] = mul*x - y*x;
|
|
} else {
|
|
frame->data[1][x + y*frame->linesize[1]] = (x - y)/(mul+1);
|
|
frame->data[2][x + y*frame->linesize[2]] = (y + x)/(mul+1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int64_t chksum(AVFrame *f)
|
|
{
|
|
AVAdler a = 123;
|
|
|
|
for(int y=0; y<f->height; y++) {
|
|
a = av_adler32_update(a, &f->data[0][y*f->linesize[0]], f->width);
|
|
}
|
|
for(int y=0; y<(f->height+1)/2; y++) {
|
|
a = av_adler32_update(a, &f->data[1][y*f->linesize[1]], (f->width+1)/2);
|
|
a = av_adler32_update(a, &f->data[2][y*f->linesize[2]], (f->width+1)/2);
|
|
}
|
|
|
|
return a;
|
|
}
|
|
|
|
static int64_t test(int width, int height, const char *testname, int mul, int flags, int pict_type, int quality) {
|
|
AVFrame *in = av_frame_alloc();
|
|
AVFrame *out = av_frame_alloc();
|
|
pp_context *context = pp_get_context(width, height, flags);
|
|
pp_mode *mode = pp_get_mode_by_name_and_quality(testname, quality);
|
|
int64_t ret;
|
|
|
|
if (!in || !out || !context || !mode) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto end;
|
|
}
|
|
|
|
in-> width = out->width = width;
|
|
in->height = out->height = height;
|
|
in->format = out->format = AV_PIX_FMT_YUV420P;
|
|
|
|
ret = av_frame_get_buffer(in, 0);
|
|
if (ret < 0)
|
|
goto end;
|
|
|
|
ret = av_frame_get_buffer(out, 0);
|
|
if (ret < 0)
|
|
goto end;
|
|
|
|
strips(in, mul);
|
|
|
|
pp_postprocess( (cuint8[]){in->data[0], in->data[1], in->data[2]}, in->linesize,
|
|
out->data, out->linesize,
|
|
width, height, NULL, 0,
|
|
mode, context, pict_type);
|
|
|
|
ret = chksum(out);
|
|
end:
|
|
av_frame_free(&in);
|
|
av_frame_free(&out);
|
|
pp_free_context(context);
|
|
pp_free_mode(mode);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
const char *teststrings[] = {
|
|
"be,lb",
|
|
"be,li",
|
|
"be,ci",
|
|
"be,md",
|
|
"be,fd",
|
|
"be,l5",
|
|
};
|
|
|
|
for (int w=8; w< 352; w=w*3-1) {
|
|
for (int h=8; h< 352; h=h*5-7) {
|
|
for (int b=0; b<6; b++) {
|
|
for (int m=0; m<17; m = 2*m+1) {
|
|
int64_t ret = test(352, 288, teststrings[b], m, PP_FORMAT_420, 0, 11);
|
|
printf("striptest %dx%d T:%s m:%d result %"PRIX64"\n", w, h, teststrings[b], m, ret);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|