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Diffstat (limited to 'third_party/aom/examples/resize_util.c')
-rw-r--r-- | third_party/aom/examples/resize_util.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/third_party/aom/examples/resize_util.c b/third_party/aom/examples/resize_util.c new file mode 100644 index 000000000..6a84d5740 --- /dev/null +++ b/third_party/aom/examples/resize_util.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <assert.h> +#include <limits.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "av1/common/resize.h" +#include "common/tools_common.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; + av1_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; +} |