| /* |
| * 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; |
| |
| 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) { |
| 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); |
| 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); |
| fclose(fpin); |
| fclose(fpout); |
| |
| free(inbuf); |
| free(outbuf); |
| return 0; |
| } |