FreeCalypso > hg > vband-misc
changeset 4:5aeebdcbddad
readone-efr program written
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Wed, 03 Apr 2024 20:07:50 +0000 |
parents | 82c2d1a2f608 |
children | 6ac30bef2b4b |
files | .hgignore amrdiff/Makefile amrdiff/readone-efr.c |
diffstat | 3 files changed, 51 insertions(+), 1 deletions(-) [+] |
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--- a/.hgignore Wed Apr 03 19:45:29 2024 +0000 +++ b/.hgignore Wed Apr 03 20:07:50 2024 +0000 @@ -4,3 +4,4 @@ ^amrdiff/amrdiff$ ^amrdiff/readone-amr$ +^amrdiff/readone-efr$
--- a/amrdiff/Makefile Wed Apr 03 19:45:29 2024 +0000 +++ b/amrdiff/Makefile Wed Apr 03 20:07:50 2024 +0000 @@ -1,9 +1,10 @@ CC= gcc CFLAGS= -O2 -PROGS= amrdiff readone-amr +PROGS= amrdiff readone-amr readone-efr AMRDIFF_OBJS= amrdiff.o etsi-bit-rd.o RD_AMR_OBJS= etsi-bit-rd.o readone-amr.o readone-common.o +RD_EFR_OBJS= etsi-bit-rd.o readone-common.o readone-efr.o all: ${PROGS} @@ -13,5 +14,8 @@ readone-amr: ${RD_AMR_OBJS} ${CC} ${CFLAGS} -o $@ ${RD_AMR_OBJS} +readone-efr: ${RD_EFR_OBJS} + ${CC} ${CFLAGS} -o $@ ${RD_EFR_OBJS} + clean: rm -f *.o ${PROGS}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/amrdiff/readone-efr.c Wed Apr 03 20:07:50 2024 +0000 @@ -0,0 +1,45 @@ +/* + * This program reads a single frame (the first one) from an EFR *.cod file + * and emits this frame of 244 bits as comma-separated ASCII. The intent is + * to extract the DHF in a form convenient for inclusion in amrdiff source. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include "etsi.h" + +main(argc, argv) + char **argv; +{ + char *filename; + int bigend, rc; + FILE *inf; + uint8_t efr_bits[ETSI_ENC_NWORDS]; + + if (argc != 3) { +usage: fprintf(stderr, "usage: %s efr-cod-file be|le\n", argv[0]); + exit(1); + } + filename = argv[1]; + if (!strcmp(argv[2], "be")) + bigend = 1; + else if (!strcmp(argv[2], "le")) + bigend = 0; + else + goto usage; + inf = fopen(filename, "r"); + if (!inf) { + perror(filename); + exit(1); + } + rc = read_etsi_bits(inf, bigend, efr_bits, ETSI_ENC_NWORDS, filename); + if (!rc) { + fprintf(stderr, "error: %s is empty\n", filename); + exit(1); + } + emit_frame244(efr_bits); + exit(0); +}