FreeCalypso > hg > gsm-codec-lib
changeset 296:e0d42e87da96
frtest: new utility gsmfr-decode-rb
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 14 Apr 2024 20:36:29 +0000 |
| parents | 962861d46ccf |
| children | 6b479cfb06a4 |
| files | .hgignore frtest/Makefile frtest/decode-rb.c |
| diffstat | 3 files changed, 71 insertions(+), 2 deletions(-) [+] |
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--- a/.hgignore Sun Apr 14 20:05:58 2024 +0000 +++ b/.hgignore Sun Apr 14 20:36:29 2024 +0000 @@ -50,6 +50,7 @@ ^frtest/gsmfr-cod2std$ ^frtest/gsmfr-decode$ ^frtest/gsmfr-decode-r$ +^frtest/gsmfr-decode-rb$ ^frtest/gsmfr-dlcap-gsmx$ ^frtest/gsmfr-dlcap-parse$ ^frtest/gsmfr-encode$
--- a/frtest/Makefile Sun Apr 14 20:05:58 2024 +0000 +++ b/frtest/Makefile Sun Apr 14 20:36:29 2024 +0000 @@ -1,7 +1,8 @@ CC= gcc CFLAGS= -O2 -PROGS= gsmfr-cod2std gsmfr-decode gsmfr-decode-r gsmfr-dlcap-gsmx \ - gsmfr-dlcap-parse gsmfr-encode gsmfr-encode-r gsmfr-preproc +PROGS= gsmfr-cod2std gsmfr-decode gsmfr-decode-r gsmfr-decode-rb \ + gsmfr-dlcap-gsmx gsmfr-dlcap-parse gsmfr-encode gsmfr-encode-r \ + gsmfr-preproc LIBFR2= ../libgsmfr2/libgsmfr2.a LIBTEST=../libtest/libtest.a INSTBIN=/opt/freecalypso/bin @@ -17,6 +18,9 @@ gsmfr-decode-r: decode-r.o ${LIBTEST} ${LIBFR2} ${CC} ${CFLAGS} -o $@ decode-r.o ${LIBTEST} ${LIBFR2} +gsmfr-decode-rb: decode-rb.o ${LIBTEST} ${LIBFR2} + ${CC} ${CFLAGS} -o $@ decode-rb.o ${LIBTEST} ${LIBFR2} + gsmfr-dlcap-gsmx: dlcap-gsmx.o tidsp.o ${LIBTEST} ${CC} ${CFLAGS} -o $@ dlcap-gsmx.o tidsp.o ${LIBTEST}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/frtest/decode-rb.c Sun Apr 14 20:36:29 2024 +0000 @@ -0,0 +1,64 @@ +/* + * gsmfr-decode-rb is a "raw basic" decoder: only the basic GSM 06.10 decoder + * is applied (no Rx DTX preprocessor), and the output format is raw BE. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include "../libgsmfr2/tw_gsmfr.h" +#include "../libtest/binreader.h" +#include "../libtest/robewrite.h" + +main(argc, argv) + char **argv; +{ + FILE *binf, *outf; + struct gsmfr_0610_state *dec_state; + uint8_t frame[BINFILE_MAX_FRAME]; + int16_t pcm[160]; + int rc; + + if (argc != 3) { + fprintf(stderr, "usage: %s input.gsm output.robe\n", argv[0]); + exit(1); + } + binf = fopen(argv[1], "r"); + if (!binf) { + perror(argv[1]); + exit(1); + } + outf = fopen(argv[2], "w"); + if (!outf) { + perror(argv[2]); + exit(1); + } + dec_state = gsmfr_0610_create(); + if (!dec_state) { + fprintf(stderr, "gsmfr_0610_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) { + fprintf(stderr, "error: %s contains disallowed BFI\n", + argv[1]); + exit(1); + } + if ((frame[0] & 0xF0) != 0xD0) { + fprintf(stderr, "error: %s is not in FR codec format\n", + argv[1]); + exit(1); + } + gsmfr_0610_decode_frame(dec_state, frame, pcm); + write_pcm_to_robe(outf, pcm); + } + fclose(outf); + exit(0); +}