FreeCalypso > hg > gsm-codec-lib
changeset 155:9814041e8096
gsmfr-encode-r utility put together
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Thu, 15 Dec 2022 01:30:59 +0000 |
| parents | 01ce75ea1c8e |
| children | 3f3674c27840 |
| files | .hgignore frtest/Makefile frtest/encode-r.c libtest/Makefile libtest/roberead.c libtest/roberead.h |
| diffstat | 6 files changed, 86 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/.hgignore Wed Dec 14 23:18:18 2022 +0000 +++ b/.hgignore Thu Dec 15 01:30:59 2022 +0000 @@ -25,6 +25,7 @@ ^frtest/gsmfr-decode$ ^frtest/gsmfr-decode-r$ ^frtest/gsmfr-encode$ +^frtest/gsmfr-encode-r$ ^frtest/gsmfr-hand-test$ ^frtest/gsmfr-max-out$ ^frtest/gsmfr-preproc$
--- a/frtest/Makefile Wed Dec 14 23:18:18 2022 +0000 +++ b/frtest/Makefile Thu Dec 15 01:30:59 2022 +0000 @@ -1,6 +1,6 @@ CC= gcc CFLAGS= -O2 -PROGS= gsmfr-cvt-dlcap gsmfr-decode gsmfr-decode-r gsmfr-encode \ +PROGS= gsmfr-cvt-dlcap gsmfr-decode gsmfr-decode-r gsmfr-encode gsmfr-encode-r\ gsmfr-hand-test gsmfr-max-out gsmfr-preproc LIBPP= ../libgsmfrp/libgsmfrp.a LIBTEST=../libtest/libtest.a @@ -23,6 +23,9 @@ gsmfr-encode: encode.o ${LIBTEST} ${CC} ${CFLAGS} -o $@ encode.o ${LIBTEST} -lgsm +gsmfr-encode-r: encode-r.o ${LIBTEST} + ${CC} ${CFLAGS} -o $@ encode-r.o ${LIBTEST} -lgsm + gsmfr-hand-test: hand-test.o ${CC} ${CFLAGS} -o $@ hand-test.o -lgsm
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/frtest/encode-r.c Thu Dec 15 01:30:59 2022 +0000 @@ -0,0 +1,50 @@ +/* + * gsmfr-encode-r is just like gsmfr-encode, but reads the source + * linear PCM data to be encoded from a raw BE file ("robe") + * instead of WAV. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <gsm.h> +#include "../libtest/roberead.h" + +main(argc, argv) + char **argv; +{ + FILE *inf, *binf; + gsm enc_state; + int16_t pcm[160]; + uint8_t frame[33]; + int rc; + + if (argc != 3) { + fprintf(stderr, "usage: %s input.wav output.gsm\n", argv[0]); + exit(1); + } + inf = fopen(argv[1], "r"); + if (!inf) { + perror(argv[1]); + exit(1); + } + binf = fopen(argv[2], "w"); + if (!binf) { + perror(argv[2]); + exit(1); + } + enc_state = gsm_create(); + if (!enc_state) { + fprintf(stderr, "gsm_create() failed!\n"); + exit(1); + } + for (;;) { + rc = robe_get_pcm_block(inf, pcm); + if (!rc) + break; + gsm_encode(enc_state, pcm, frame); + fwrite(frame, 1, sizeof frame, binf); + } + fclose(binf); + exit(0); +}
--- a/libtest/Makefile Wed Dec 14 23:18:18 2022 +0000 +++ b/libtest/Makefile Thu Dec 15 01:30:59 2022 +0000 @@ -1,6 +1,6 @@ CC= gcc CFLAGS= -O2 -OBJS= binreader.o parse_dlcap.o pcmwrite.o robewrite.o wavrdhelp.o \ +OBJS= binreader.o parse_dlcap.o pcmwrite.o roberead.o robewrite.o wavrdhelp.o\ wavreader.o wavwriter.o LIB= libtest.a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtest/roberead.c Thu Dec 15 01:30:59 2022 +0000 @@ -0,0 +1,24 @@ +/* + * Here we implement our PCM read helper function for "robe" format. + */ + +#include <stdio.h> +#include <stdint.h> +#include "roberead.h" + +int robe_get_pcm_block(FILE *inf, int16_t *pcm) +{ + uint8_t bytes[320], *dp; + int cc, i; + + cc = fread(bytes, 1, 320, inf); + cc >>= 1; + dp = bytes; + for (i = 0; i < cc; i++) { + pcm[i] = (dp[0] << 8) | dp[1]; + dp += 2; + } + while (i < 160) + pcm[i++] = 0; + return cc; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtest/roberead.h Thu Dec 15 01:30:59 2022 +0000 @@ -0,0 +1,6 @@ +/* + * This header file declares the interface to our helper function + * for reading 16-bit linear PCM samples from a "robe" input file. + */ + +extern int robe_get_pcm_block(FILE *inf, int16_t *pcmbuf);