FreeCalypso > hg > gsm-codec-lib
changeset 23:baadb1cb744d
new debug utility gsmrec-dump
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 20 Nov 2022 08:05:32 +0000 |
| parents | 3db7af1249cb |
| children | 94f18b720f1e |
| files | .hgignore Makefile miscutil/Makefile miscutil/gsmrec-dump.c |
| diffstat | 4 files changed, 91 insertions(+), 2 deletions(-) [+] |
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--- a/.hgignore Sun Nov 20 06:48:54 2022 +0000 +++ b/.hgignore Sun Nov 20 08:05:32 2022 +0000 @@ -9,4 +9,6 @@ ^frtest/gsmfr-decode$ ^frtest/gsmfr-encode$ +^miscutil/gsmrec-dump$ + ^pcap/rtp-gsmfr-extr$
--- a/Makefile Sun Nov 20 06:48:54 2022 +0000 +++ b/Makefile Sun Nov 20 08:05:32 2022 +0000 @@ -2,14 +2,15 @@ CFLAGS= -O2 SUBDIR_LIBPROD= libgsmfrp -SUBDIR_UTILS= frtest pcap +SUBDIR_UTILS= frtest miscutil pcap SUBDIR_INT= dev libtest SUBDIR= ${SUBDIR_LIBPROD} ${SUBDIR_UTILS} ${SUBDIR_INT} all: ${SUBDIR} -frtest: libgsmfrp libtest +frtest: libgsmfrp libtest +miscutil: libtest ${SUBDIR}: FRC cd $@; ${MAKE} ${MFLAGS} CC=${CC} CFLAGS="${CFLAGS}"
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/miscutil/Makefile Sun Nov 20 08:05:32 2022 +0000 @@ -0,0 +1,17 @@ +CC= gcc +CFLAGS= -O2 +PROGS= gsmrec-dump +LIBTEST=../libtest/libtest.a +INSTBIN=/opt/freecalypso/bin + +all: ${PROGS} + +gsmrec-dump: gsmrec-dump.o ${LIBTEST} + ${CC} ${CFLAGS} -o $@ gsmrec-dump.o ${LIBTEST} -lgsm + +install: + mkdir -p ${INSTBIN} + install -c ${PROGS} ${INSTBIN} + +clean: + rm -f *.o *.out ${PROGS}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/miscutil/gsmrec-dump.c Sun Nov 20 08:05:32 2022 +0000 @@ -0,0 +1,69 @@ +/* + * This program reads a binary file in our extended-libgsm format + * and dumps all frames in human-readable form. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <gsm.h> +#include "../libtest/binreader.h" + +main(argc, argv) + char **argv; +{ + FILE *binf; + gsm dummy_state; + unsigned frame_index; + uint8_t frame[BINFILE_MAX_FRAME]; + gsm_signal fr_params[76]; + int rc, i, j, n; + + if (argc != 2) { + fprintf(stderr, "usage: %s bin-stream-file\n", argv[0]); + exit(1); + } + binf = fopen(argv[1], "r"); + if (!binf) { + perror(argv[1]); + exit(1); + } + dummy_state = gsm_create(); + if (!dummy_state) { + fprintf(stderr, "gsm_create() failed!\n"); + exit(1); + } + for (frame_index = 0; ; frame_index++) { + rc = binfile_read_frame(binf, frame); + if (rc < 0) { + fprintf(stderr, "error: garbage in %s\n", argv[1]); + exit(1); + } + if (!rc) + break; + printf("#%u: ", frame_index); + switch (frame[0] & 0xF0) { + case 0xB0: + printf("BFI TAF=%u\n", frame[1] & 1); + break; + case 0xC0: + puts("EFR (decoding not implemented)"); + break; + case 0xD0: + fputs("FR", stdout); + gsm_explode(dummy_state, frame, fr_params); + n = 0; + for (i = 0; i < 8; i++) + printf(" %u", fr_params[n++]); + putchar('\n'); + for (i = 0; i < 4; i++) { + putchar(' '); + for (j = 0; j < 17; j++) + printf(" %u", fr_params[n++]); + putchar('\n'); + } + break; + } + } + exit(0); +}