1 /*
2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <assert.h>
12 #include <limits.h>
13 #include <math.h>
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <string.h>
17
18 #include "../tools_common.h"
19 #include "../vp9/encoder/vp9_resize.h"
20
21 static const char *exec_name = NULL;
22
usage()23 static void usage() {
24 printf("Usage:\n");
25 printf("%s <input_yuv> <width>x<height> <target_width>x<target_height> ",
26 exec_name);
27 printf("<output_yuv> [<frames>]\n");
28 }
29
usage_exit(void)30 void usage_exit(void) {
31 usage();
32 exit(EXIT_FAILURE);
33 }
34
parse_dim(char * v,int * width,int * height)35 static int parse_dim(char *v, int *width, int *height) {
36 char *x = strchr(v, 'x');
37 if (x == NULL) x = strchr(v, 'X');
38 if (x == NULL) return 0;
39 *width = atoi(v);
40 *height = atoi(&x[1]);
41 if (*width <= 0 || *height <= 0)
42 return 0;
43 else
44 return 1;
45 }
46
main(int argc,char * argv[])47 int main(int argc, char *argv[]) {
48 char *fin, *fout;
49 FILE *fpin, *fpout;
50 uint8_t *inbuf, *outbuf;
51 uint8_t *inbuf_u, *outbuf_u;
52 uint8_t *inbuf_v, *outbuf_v;
53 int f, frames;
54 int width, height, target_width, target_height;
55 int failed = 0;
56
57 exec_name = argv[0];
58
59 if (argc < 5) {
60 printf("Incorrect parameters:\n");
61 usage();
62 return 1;
63 }
64
65 fin = argv[1];
66 fout = argv[4];
67 if (!parse_dim(argv[2], &width, &height)) {
68 printf("Incorrect parameters: %s\n", argv[2]);
69 usage();
70 return 1;
71 }
72 if (!parse_dim(argv[3], &target_width, &target_height)) {
73 printf("Incorrect parameters: %s\n", argv[3]);
74 usage();
75 return 1;
76 }
77
78 fpin = fopen(fin, "rb");
79 if (fpin == NULL) {
80 printf("Can't open file %s to read\n", fin);
81 usage();
82 return 1;
83 }
84 fpout = fopen(fout, "wb");
85 if (fpout == NULL) {
86 fclose(fpin);
87 printf("Can't open file %s to write\n", fout);
88 usage();
89 return 1;
90 }
91 if (argc >= 6)
92 frames = atoi(argv[5]);
93 else
94 frames = INT_MAX;
95
96 printf("Input size: %dx%d\n", width, height);
97 printf("Target size: %dx%d, Frames: ", target_width, target_height);
98 if (frames == INT_MAX)
99 printf("All\n");
100 else
101 printf("%d\n", frames);
102
103 inbuf = (uint8_t *)malloc(width * height * 3 / 2);
104 outbuf = (uint8_t *)malloc(target_width * target_height * 3 / 2);
105 if (!(inbuf && outbuf)) {
106 printf("Failed to allocate buffers.\n");
107 failed = 1;
108 goto Error;
109 }
110 inbuf_u = inbuf + width * height;
111 inbuf_v = inbuf_u + width * height / 4;
112 outbuf_u = outbuf + target_width * target_height;
113 outbuf_v = outbuf_u + target_width * target_height / 4;
114 f = 0;
115 while (f < frames) {
116 if (fread(inbuf, width * height * 3 / 2, 1, fpin) != 1) break;
117 vp9_resize_frame420(inbuf, width, inbuf_u, inbuf_v, width / 2, height,
118 width, outbuf, target_width, outbuf_u, outbuf_v,
119 target_width / 2, target_height, target_width);
120 fwrite(outbuf, target_width * target_height * 3 / 2, 1, fpout);
121 f++;
122 }
123 printf("%d frames processed\n", f);
124 Error:
125 fclose(fpin);
126 fclose(fpout);
127
128 free(inbuf);
129 free(outbuf);
130 return failed;
131 }
132