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