/* * broadvoice - a library for the BroadVoice 16 and 32 codecs * * bv16_tests.c - * * Adapted by Steve Underwood from code which is * Copyright 2000-2009 Broadcom Corporation * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $Id: bv16_tests.c,v 1.1.1.1 2009/11/19 12:10:48 steveu Exp $ */ /*! \file */ #if defined(HAVE_CONFIG_H) #include "config.h" #endif #include #include #include #define BROADVOICE_EXPOSE_INTERNAL_STRUCTURES #include "broadvoice.h" #include "g192_bit_stream.h" #define G192BITSTREAM int frame; int16_t bfi = 0; static void usage(const char *name) { fprintf(stderr, "usage: %s enc|dec input output\n", name); fprintf(stderr, "\nFormat for speech_file:\n Binary file of 8 kHz sampled 16-bit PCM data.\n"); #if defined(G192BITSTREAM) fprintf(stderr, "\nFormat for bitstream_file per frame: ITU-T G.192 format\n\ One (2-byte) synchronization word [0x6B21],\n\ One (2-byte) size word,\n\ 160 words (2-byte) containing 160 bits.\n\n"); #else fprintf(stderr, "\nFormat for bitstream_file per frame: Packed Bits\n"); #endif exit(1); } int main(int argc, char **argv) { FILE *fi; FILE *fo; FILE *fbdi = NULL; int enc = 1; int nread; int i; int len; int16_t x[BV16_FRAME_LEN]; bv16_encode_state_t *cs; bv16_decode_state_t *ds; uint8_t PackedStream[10]; int next_bad_frame = -1; int packing; if ((argc != 4) && (argc != 5)) usage(argv[0]); if (!strcmp(argv[1], "enc")) enc = 1; else if (!strcmp(argv[1], "dec")) enc = 0; else usage(argv[0]); if (!(fi = fopen(argv[2], "rb"))) { fprintf(stderr, "error: can't read %s\n", argv[2]); exit(2); } if (!(fo = fopen(argv[3], "wb"))) { fprintf(stderr, "error: can't write to %s\n", argv[3]); exit(3); } if (argc == 5) { if (!(fbdi = fopen(argv[4], "rb"))) { fprintf(stderr, "error: can't read %s\n", argv[4]); exit(3); } } if (enc) { fprintf(stderr, " BroadVoice16 Encoder V1.0 with ITU-T G.192\n"); fprintf(stderr, " Input speech file : %s\n", argv[2]); fprintf(stderr, " Output bit-stream file: %s\n", argv[3]); } else { fprintf(stderr, " BroadVoice16 Decoder V1.0 with ITU-T G.192\n"); fprintf(stderr, " Input bit-stream file : %s\n", argv[2]); fprintf(stderr, " Output speech file : %s\n", argv[3]); } #if defined(G192BITSTREAM) packing = ITU_CODEC_BITSTREAM_G192; #else packing = ITU_CODEC_BITSTREAM_PACKED; #endif cs = NULL; ds = NULL; if (enc) cs = bv16_encode_init(NULL); else ds = bv16_decode_init(NULL); frame = 0; /* Read for the 1st bad frame */ if (fbdi != NULL) fscanf(fbdi, "%d", &next_bad_frame); for (;;) { frame++; /* Read one speech frame */ if (enc == 1) { nread = fread(x, sizeof(int16_t), BV16_FRAME_LEN, fi); if (nread <= 0) break; for (i = nread; i < BV16_FRAME_LEN; i++) x[i] = 0; len = bv16_encode(cs, PackedStream, x, BV16_FRAME_LEN); itu_codec_bitstream_write(PackedStream, 8*len, packing, fo); } else { nread = itu_codec_bitstream_read(PackedStream, &bfi, 80, packing, fi); if (nread <= 0) break; if (frame == next_bad_frame) { fscanf(fbdi, "%d", &next_bad_frame); bfi = 1; } if (bfi) len = bv16_fillin(ds, x, BV16_FRAME_LEN); else len = bv16_decode(ds, x, PackedStream, 10); fwrite(x, sizeof(int16_t), len, fo); } } if (enc) bv16_encode_free(cs); else bv16_decode_free(ds); fprintf(stderr, "\r %d %d-sample frames processed.\n", --frame, BV16_FRAME_LEN); fclose(fi); fclose(fo); if (fbdi != NULL) fclose(fbdi); fprintf(stderr, "\n\n"); return 0; }