FreeCalypso > hg > gsm-codec-lib
changeset 547:f9535c1fbf70
efrtest: new program gsmefr-decode-tw5
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 04 Oct 2024 20:17:36 +0000 |
parents | b26df31124a4 |
children | 583dc4cbee95 |
files | .hgignore efrtest/Makefile efrtest/decode-tw5.c |
diffstat | 3 files changed, 75 insertions(+), 3 deletions(-) [+] |
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--- a/.hgignore Fri Oct 04 19:07:52 2024 +0000 +++ b/.hgignore Fri Oct 04 20:17:36 2024 +0000 @@ -51,6 +51,7 @@ ^efrtest/gsmefr-dec-parse$ ^efrtest/gsmefr-decode$ ^efrtest/gsmefr-decode-r$ +^efrtest/gsmefr-decode-tw5$ ^efrtest/gsmefr-dlcap-dec$ ^efrtest/gsmefr-dlcap-gsmx$ ^efrtest/gsmefr-dlcap-parse$
--- a/efrtest/Makefile Fri Oct 04 19:07:52 2024 +0000 +++ b/efrtest/Makefile Fri Oct 04 20:17:36 2024 +0000 @@ -1,7 +1,7 @@ PROGS= gsmefr-cod-parse gsmefr-cod2gsmx gsmefr-dec-parse gsmefr-decode \ - gsmefr-decode-r gsmefr-dlcap-dec gsmefr-dlcap-gsmx gsmefr-dlcap-parse \ - gsmefr-dlcap-sync gsmefr-encode gsmefr-encode-r gsmefr-etsi-dec \ - gsmefr-etsi-enc gsmefr-rec2etsi + gsmefr-decode-r gsmefr-decode-tw5 gsmefr-dlcap-dec gsmefr-dlcap-gsmx \ + gsmefr-dlcap-parse gsmefr-dlcap-sync gsmefr-encode gsmefr-encode-r \ + gsmefr-etsi-dec gsmefr-etsi-enc gsmefr-rec2etsi LIBEFR= ../libgsmefr/libgsmefr.a LIBTEST=../libtest/libtest.a @@ -24,6 +24,9 @@ gsmefr-decode-r: decode-r.o ${LIBTEST} ${LIBEFR} ${CC} ${CFLAGS} -o $@ $^ +gsmefr-decode-tw5: decode-tw5.o ${LIBTEST} ${LIBEFR} + ${CC} ${CFLAGS} -o $@ $^ + gsmefr-dlcap-dec: dlcap-dec.o tidsp.o ${LIBTEST} ${LIBEFR} ${CC} ${CFLAGS} -o $@ $^
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/efrtest/decode-tw5.c Fri Oct 04 20:17:36 2024 +0000 @@ -0,0 +1,68 @@ +/* + * This file is the main module for gsmefr-decode-tw5 utility. It is just + * like the original gsmefr-decode, but reads the GSM-EFR speech recording + * from TW-TS-005 Annex A hexadecimal format instead of the old gsmx + * binary format. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include "../libgsmefr/gsm_efr.h" +#include "../libtest/tw5reader.h" +#include "../libtest/wavwriter.h" +#include "../libtest/pcmwrite.h" + +main(argc, argv) + char **argv; +{ + FILE *hexf; + void *wav; + unsigned lineno; + struct EFR_decoder_state *state; + uint8_t frame[TWTS005_MAX_FRAME]; + unsigned frame_len; + int16_t pcm[160]; + int rc; + + if (argc != 3) { + fprintf(stderr, "usage: %s input.hex output.wav\n", argv[0]); + exit(1); + } + hexf = fopen(argv[1], "r"); + if (!hexf) { + perror(argv[1]); + exit(1); + } + lineno = 0; + wav = wav_write_open(argv[2], 8000, 16, 1); + if (!wav) { + perror(argv[2]); + exit(1); + } + state = EFR_decoder_create(); + if (!state) { + perror("EFR_decoder_create()"); + exit(1); + } + for (;;) { + rc = twts005_read_frame(hexf, &lineno, frame, &frame_len); + if (rc < 0) { + fprintf(stderr, "%s line %u: not valid TW-TS-005\n", + argv[1], lineno); + exit(1); + } + if (!rc) + break; + rc = EFR_decode_rtp(state, frame, frame_len, pcm); + if (rc < 0) { + fprintf(stderr, + "%s line %u: not a valid GSM-EFR frame\n", + argv[1], lineno); + exit(1); + } + write_pcm_to_wav(wav, pcm); + } + wav_write_close(wav); + exit(0); +}