FreeCalypso > hg > gsm-codec-lib
changeset 546:b26df31124a4
frtest: new program gsmfr-tfo-xfrm
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 04 Oct 2024 19:07:52 +0000 |
parents | b07dba7b8a4f |
children | f9535c1fbf70 |
files | .hgignore frtest/Makefile frtest/tfo-xfrm.c |
diffstat | 3 files changed, 84 insertions(+), 1 deletions(-) [+] |
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--- a/.hgignore Thu Oct 03 09:26:04 2024 +0000 +++ b/.hgignore Fri Oct 04 19:07:52 2024 +0000 @@ -73,6 +73,7 @@ ^frtest/gsmfr-encode$ ^frtest/gsmfr-encode-r$ ^frtest/gsmfr-preproc$ +^frtest/gsmfr-tfo-xfrm$ ^hrutil/gsmhr-cod-parse$ ^hrutil/gsmhr-dec-craft$
--- a/frtest/Makefile Thu Oct 03 09:26:04 2024 +0000 +++ b/frtest/Makefile Fri Oct 04 19:07:52 2024 +0000 @@ -1,6 +1,7 @@ PROGS= gsmfr-cod2std gsmfr-decode gsmfr-decode-r gsmfr-decode-rb \ gsmfr-decode-tw5 gsmfr-decode-tw5-r gsmfr-dlcap-gsmx gsmfr-dlcap-parse \ - gsmfr-dlcap-sync gsmfr-encode gsmfr-encode-r gsmfr-preproc + gsmfr-dlcap-sync gsmfr-encode gsmfr-encode-r gsmfr-preproc \ + gsmfr-tfo-xfrm LIBFR2= ../libgsmfr2/libgsmfr2.a LIBTEST=../libtest/libtest.a @@ -45,6 +46,9 @@ gsmfr-preproc: preproc.o ${LIBTEST} ${LIBFR2} ${CC} ${CFLAGS} -o $@ $^ +gsmfr-tfo-xfrm: tfo-xfrm.o ${LIBTEST} ${LIBFR2} + ${CC} ${CFLAGS} -o $@ $^ + install: mkdir -p ${DESTDIR}${bindir} install -c ${PROGS} ${DESTDIR}${bindir}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/frtest/tfo-xfrm.c Fri Oct 04 19:07:52 2024 +0000 @@ -0,0 +1,78 @@ +/* + * This program exercises our ThemWi implementation of TFO transform for + * GSM-FR. It reads a stream of radio leg A Rx frames from a TW-TS-005 Annex A + * hex file and writes the "pristine" stream intended for radio leg B Tx + * into another TW-TS-005 Annex A hex file. The output is in basic RTP format. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include "../libgsmfr2/tw_gsmfr.h" +#include "../libtest/tw5reader.h" +#include "../libtest/tw5writer.h" + +main(argc, argv) + char **argv; +{ + char *infname, *outfname; + FILE *inf, *outf; + unsigned lineno; + struct gsmfr_preproc_state *pp_state; + uint8_t frame_in[TWTS005_MAX_FRAME], frame_out[GSMFR_RTP_FRAME_LEN]; + unsigned frame_in_len; + int dtxd, rc; + + if (argc == 3 && argv[1][0] != '-') { + dtxd = 0; + infname = argv[1]; + outfname = argv[2]; + } else if (argc == 4 && !strcmp(argv[1], "-d")) { + dtxd = 1; + infname = argv[2]; + outfname = argv[3]; + } else { + fprintf(stderr, "usage: %s [-d] input.hex output.hex\n", + argv[0]); + exit(1); + } + inf = fopen(infname, "r"); + if (!inf) { + perror(infname); + exit(1); + } + lineno = 0; + outf = fopen(outfname, "w"); + if (!outf) { + perror(outfname); + exit(1); + } + pp_state = gsmfr_preproc_create(); + if (!pp_state) { + fprintf(stderr, "gsmfr_preproc_create() failed!\n"); + exit(1); + } + for (;;) { + rc = twts005_read_frame(inf, &lineno, frame_in, &frame_in_len); + if (rc < 0) { + fprintf(stderr, "%s line %u: not valid TW-TS-005\n", + argv[1], lineno); + exit(1); + } + if (!rc) + break; + rc = gsmfr_tfo_xfrm_main(pp_state, frame_in, frame_in_len, + frame_out); + if (rc < 0) { + fprintf(stderr, + "%s line %u: not a valid GSM-FR frame\n", + argv[1], lineno); + exit(1); + } + if (dtxd) + gsmfr_tfo_xfrm_dtxd(pp_state, frame_out); + emit_hex_frame(outf, frame_out, GSMFR_RTP_FRAME_LEN); + } + fclose(outf); + exit(0); +}