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/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../tools_common.h"
#include "../vp9/encoder/vp9_resize.h"
static const char *exec_name = NULL;
static void usage() {
printf("Usage:\n");
printf("%s <input_yuv> <width>x<height> <target_width>x<target_height> ",
exec_name);
printf("<output_yuv> [<frames>]\n");
}
void usage_exit(void) {
usage();
exit(EXIT_FAILURE);
}
static int parse_dim(char *v, int *width, int *height) {
char *x = strchr(v, 'x');
if (x == NULL) x = strchr(v, 'X');
if (x == NULL) return 0;
*width = atoi(v);
*height = atoi(&x[1]);
if (*width <= 0 || *height <= 0)
return 0;
else
return 1;
}
int main(int argc, char *argv[]) {
char *fin, *fout;
FILE *fpin, *fpout;
uint8_t *inbuf, *outbuf;
uint8_t *inbuf_u, *outbuf_u;
uint8_t *inbuf_v, *outbuf_v;
int f, frames;
int width, height, target_width, target_height;
int failed = 0;
exec_name = argv[0];
if (argc < 5) {
printf("Incorrect parameters:\n");
usage();
return 1;
}
fin = argv[1];
fout = argv[4];
if (!parse_dim(argv[2], &width, &height)) {
printf("Incorrect parameters: %s\n", argv[2]);
usage();
return 1;
}
if (!parse_dim(argv[3], &target_width, &target_height)) {
printf("Incorrect parameters: %s\n", argv[3]);
usage();
return 1;
}
fpin = fopen(fin, "rb");
if (fpin == NULL) {
printf("Can't open file %s to read\n", fin);
usage();
return 1;
}
fpout = fopen(fout, "wb");
if (fpout == NULL) {
fclose(fpin);
printf("Can't open file %s to write\n", fout);
usage();
return 1;
}
if (argc >= 6)
frames = atoi(argv[5]);
else
frames = INT_MAX;
printf("Input size: %dx%d\n", width, height);
printf("Target size: %dx%d, Frames: ", target_width, target_height);
if (frames == INT_MAX)
printf("All\n");
else
printf("%d\n", frames);
inbuf = (uint8_t *)malloc(width * height * 3 / 2);
outbuf = (uint8_t *)malloc(target_width * target_height * 3 / 2);
if (!(inbuf && outbuf)) {
printf("Failed to allocate buffers.\n");
failed = 1;
goto Error;
}
inbuf_u = inbuf + width * height;
inbuf_v = inbuf_u + width * height / 4;
outbuf_u = outbuf + target_width * target_height;
outbuf_v = outbuf_u + target_width * target_height / 4;
f = 0;
while (f < frames) {
if (fread(inbuf, width * height * 3 / 2, 1, fpin) != 1) break;
vp9_resize_frame420(inbuf, width, inbuf_u, inbuf_v, width / 2, height,
width, outbuf, target_width, outbuf_u, outbuf_v,
target_width / 2, target_height, target_width);
fwrite(outbuf, target_width * target_height * 3 / 2, 1, fpout);
f++;
}
printf("%d frames processed\n", f);
Error:
fclose(fpin);
fclose(fpout);
free(inbuf);
free(outbuf);
return failed;
}
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