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 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 30 void usage_exit(void) { 31 usage(); 32 exit(EXIT_FAILURE); 33 } 34 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 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 56 exec_name = argv[0]; 57 58 if (argc < 5) { 59 printf("Incorrect parameters:\n"); 60 usage(); 61 return 1; 62 } 63 64 fin = argv[1]; 65 fout = argv[4]; 66 if (!parse_dim(argv[2], &width, &height)) { 67 printf("Incorrect parameters: %s\n", argv[2]); 68 usage(); 69 return 1; 70 } 71 if (!parse_dim(argv[3], &target_width, &target_height)) { 72 printf("Incorrect parameters: %s\n", argv[3]); 73 usage(); 74 return 1; 75 } 76 77 fpin = fopen(fin, "rb"); 78 if (fpin == NULL) { 79 printf("Can't open file %s to read\n", fin); 80 usage(); 81 return 1; 82 } 83 fpout = fopen(fout, "wb"); 84 if (fpout == NULL) { 85 printf("Can't open file %s to write\n", fout); 86 usage(); 87 return 1; 88 } 89 if (argc >= 6) 90 frames = atoi(argv[5]); 91 else 92 frames = INT_MAX; 93 94 printf("Input size: %dx%d\n", width, height); 95 printf("Target size: %dx%d, Frames: ", target_width, target_height); 96 if (frames == INT_MAX) 97 printf("All\n"); 98 else 99 printf("%d\n", frames); 100 101 inbuf = (uint8_t *)malloc(width * height * 3 / 2); 102 outbuf = (uint8_t *)malloc(target_width * target_height * 3 / 2); 103 inbuf_u = inbuf + width * height; 104 inbuf_v = inbuf_u + width * height / 4; 105 outbuf_u = outbuf + target_width * target_height; 106 outbuf_v = outbuf_u + target_width * target_height / 4; 107 f = 0; 108 while (f < frames) { 109 if (fread(inbuf, width * height * 3 / 2, 1, fpin) != 1) break; 110 vp9_resize_frame420(inbuf, width, inbuf_u, inbuf_v, width / 2, height, 111 width, outbuf, target_width, outbuf_u, outbuf_v, 112 target_width / 2, target_height, target_width); 113 fwrite(outbuf, target_width * target_height * 3 / 2, 1, fpout); 114 f++; 115 } 116 printf("%d frames processed\n", f); 117 fclose(fpin); 118 fclose(fpout); 119 120 free(inbuf); 121 free(outbuf); 122 return 0; 123 } 124
