diff options
Diffstat (limited to 'misc/16_8_short.c')
| -rw-r--r-- | misc/16_8_short.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/misc/16_8_short.c b/misc/16_8_short.c deleted file mode 100644 index a23722c..0000000 --- a/misc/16_8_short.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - 16_8_short.c - David Rowe - October 2018 - - Utility for resampling raw files from 16 to 8 kHz. -*/ - -#include <assert.h> -#include <math.h> -#include <stdlib.h> -#include <stdio.h> -#include "codec2_fdmdv.h" - -#define N8 160 /* procssing buffer size at 8 kHz */ -#define N16 (N8*FDMDV_OS) - -int main(int argc, char *argv[]) { - short in16k_short[FDMDV_OS_TAPS_16K + N16]; - FILE *f16; - short out8k_short[N16]; - FILE *f8; - int i; - - if (argc != 3) { - fprintf(stderr, "usage: %s 16kHz.raw 8kHz.raw\n", argv[0]); - exit(1); - } - f16 = fopen(argv[1], "rb"); - assert(f16 != NULL); - f8 = fopen(argv[2], "wb"); - assert(f8 != NULL); - - /* clear filter memories */ - - for(i=0; i<FDMDV_OS_TAPS_16K; i++) - in16k_short[i] = 0; - - while(fread(&in16k_short[FDMDV_OS_TAPS_16K], sizeof(short), N16, f16) == N16) { - fdmdv_16_to_8_short(out8k_short, &in16k_short[FDMDV_OS_TAPS_16K], N8); - fwrite(out8k_short, sizeof(short), N8, f8); - } - - fclose(f16); - fclose(f8); - return 0; -} |
