FreeCalypso > hg > gsm-codec-lib
changeset 12:f88817a233fb
gsmfr-decode test program written
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 20 Nov 2022 00:44:26 +0000 |
| parents | a3aa152c4653 |
| children | 30d1d0a705c0 |
| files | .hgignore Makefile frtest/Makefile frtest/decode.c |
| diffstat | 4 files changed, 93 insertions(+), 1 deletions(-) [+] |
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--- a/.hgignore Sun Nov 20 00:31:42 2022 +0000 +++ b/.hgignore Sun Nov 20 00:44:26 2022 +0000 @@ -4,3 +4,5 @@ ^dev/gsm0611-silence-fr$ ^dev/gsm0611-silence-fr\.out$ + +^frtest/gsmfr-decode$
--- a/Makefile Sun Nov 20 00:31:42 2022 +0000 +++ b/Makefile Sun Nov 20 00:44:26 2022 +0000 @@ -1,9 +1,11 @@ CC= gcc CFLAGS= -O2 -SUBDIR= dev libgsmfrp libtest +SUBDIR= dev frtest libgsmfrp libtest all: ${SUBDIR} +frtest: libgsmfrp libtest + ${SUBDIR}: FRC cd $@; ${MAKE} ${MFLAGS} CC=${CC} CFLAGS="${CFLAGS}"
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/frtest/Makefile Sun Nov 20 00:44:26 2022 +0000 @@ -0,0 +1,12 @@ +CC= gcc +CFLAGS= -O2 +PROGS= gsmfr-decode +LIBS= ../libtest/libtest.a ../libgsmfrp/libgsmfrp.a + +all: ${PROGS} + +gsmfr-decode: decode.o ${LIBS} + ${CC} ${CFLAGS} -o $@ decode.o ${LIBS} -lgsm + +clean: + rm -f *.o *.out ${PROGS}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/frtest/decode.c Sun Nov 20 00:44:26 2022 +0000 @@ -0,0 +1,76 @@ +/* + * This file is the main module for gsmfr-decode utility. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <gsm.h> +#include "../libgsmfrp/gsm_fr_preproc.h" +#include "../libtest/binreader.h" +#include "../libtest/wavwriter.h" +#include "../libtest/pcmwrite.h" + +main(argc, argv) + char **argv; +{ + FILE *binf; + void *wav; + gsm dec_state; + struct gsmfr_preproc_state *pp_state; + uint8_t frame[BINFILE_MAX_FRAME]; + int16_t pcm[160]; + int rc, bfi, taf; + + if (argc != 3) { + fprintf(stderr, "usage: %s input.gsm output.wav\n", argv[0]); + exit(1); + } + binf = fopen(argv[1], "r"); + if (!binf) { + perror(argv[1]); + exit(1); + } + wav = wav_write_open(argv[2], 8000, 16, 1); + if (!wav) { + perror(argv[2]); + exit(1); + } + dec_state = gsm_create(); + if (!dec_state) { + fprintf(stderr, "gsm_create() failed!\n"); + exit(1); + } + pp_state = gsmfr_preproc_create(); + if (!pp_state) { + fprintf(stderr, "gsmfr_preproc_create() failed!\n"); + exit(1); + } + for (;;) { + rc = binfile_read_frame(binf, frame); + if (rc < 0) { + fprintf(stderr, "error: garbage in %s\n", argv[1]); + exit(1); + } + if (!rc) + break; + if (frame[0] == 0xBF) { + bfi = 1; + taf = frame[1] & 1; + } else if ((frame[0] & 0xF0) == 0xD) + bfi = 0; + else { + fprintf(stderr, "error: %s is not in FR codec format\n", + argv[1]); + exit(1); + } + if (bfi) + gsmfr_preproc_bfi(pp_state, taf, frame); + else + gsmfr_preproc_good_frame(pp_state, frame); + gsm_decode(dec_state, frame, pcm); + write_pcm_to_wav(wav, pcm); + } + wav_write_close(wav); + exit(0); +}