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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_test.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_test.c b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_test.c new file mode 100644 index 0000000000..e0ca075eda --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_test.c @@ -0,0 +1,238 @@ +/* + * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +/****************************************************************** + + iLBC Speech Coder ANSI-C Source Code + + iLBC_test.c + +******************************************************************/ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "modules/audio_coding/codecs/ilbc/ilbc.h" + +/*---------------------------------------------------------------* + * Main program to test iLBC encoding and decoding + * + * Usage: + * exefile_name.exe <infile> <bytefile> <outfile> <channel> + * + * <infile> : Input file, speech for encoder (16-bit pcm file) + * <bytefile> : Bit stream output from the encoder + * <outfile> : Output file, decoded speech (16-bit pcm file) + * <channel> : Bit error file, optional (16-bit) + * 1 - Packet received correctly + * 0 - Packet Lost + * + *--------------------------------------------------------------*/ + +#define BLOCKL_MAX 240 +#define ILBCNOOFWORDS_MAX 25 + + +int main(int argc, char* argv[]) +{ + + FILE *ifileid,*efileid,*ofileid, *cfileid; + int16_t data[BLOCKL_MAX]; + uint8_t encoded_data[2 * ILBCNOOFWORDS_MAX]; + int16_t decoded_data[BLOCKL_MAX]; + int len_int, mode; + short pli; + int blockcount = 0; + size_t frameLen, len, len_i16s; + int16_t speechType; + IlbcEncoderInstance *Enc_Inst; + IlbcDecoderInstance *Dec_Inst; + +#ifdef __ILBC_WITH_40BITACC + /* Doublecheck that long long exists */ + if (sizeof(long)>=sizeof(long long)) { + fprintf(stderr, "40-bit simulation is not be supported on this platform\n"); + exit(0); + } +#endif + + /* get arguments and open files */ + + if ((argc!=5) && (argc!=6)) { + fprintf(stderr, + "\n*-----------------------------------------------*\n"); + fprintf(stderr, + " %s <20,30> input encoded decoded (channel)\n\n", + argv[0]); + fprintf(stderr, + " mode : Frame size for the encoding/decoding\n"); + fprintf(stderr, + " 20 - 20 ms\n"); + fprintf(stderr, + " 30 - 30 ms\n"); + fprintf(stderr, + " input : Speech for encoder (16-bit pcm file)\n"); + fprintf(stderr, + " encoded : Encoded bit stream\n"); + fprintf(stderr, + " decoded : Decoded speech (16-bit pcm file)\n"); + fprintf(stderr, + " channel : Packet loss pattern, optional (16-bit)\n"); + fprintf(stderr, + " 1 - Packet received correctly\n"); + fprintf(stderr, + " 0 - Packet Lost\n"); + fprintf(stderr, + "*-----------------------------------------------*\n\n"); + exit(1); + } + mode=atoi(argv[1]); + if (mode != 20 && mode != 30) { + fprintf(stderr,"Wrong mode %s, must be 20, or 30\n", + argv[1]); + exit(2); + } + if ( (ifileid=fopen(argv[2],"rb")) == NULL) { + fprintf(stderr,"Cannot open input file %s\n", argv[2]); + exit(2);} + if ( (efileid=fopen(argv[3],"wb")) == NULL) { + fprintf(stderr, "Cannot open encoded file file %s\n", + argv[3]); exit(1);} + if ( (ofileid=fopen(argv[4],"wb")) == NULL) { + fprintf(stderr, "Cannot open decoded file %s\n", + argv[4]); exit(1);} + if (argc==6) { + if( (cfileid=fopen(argv[5],"rb")) == NULL) { + fprintf(stderr, "Cannot open channel file %s\n", + argv[5]); + exit(1); + } + } else { + cfileid=NULL; + } + + /* print info */ + + fprintf(stderr, "\n"); + fprintf(stderr, + "*---------------------------------------------------*\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "* iLBC test program *\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "*---------------------------------------------------*\n"); + fprintf(stderr,"\nMode : %2d ms\n", mode); + fprintf(stderr,"Input file : %s\n", argv[2]); + fprintf(stderr,"Encoded file : %s\n", argv[3]); + fprintf(stderr,"Output file : %s\n", argv[4]); + if (argc==6) { + fprintf(stderr,"Channel file : %s\n", argv[5]); + } + fprintf(stderr,"\n"); + + /* Create structs */ + WebRtcIlbcfix_EncoderCreate(&Enc_Inst); + WebRtcIlbcfix_DecoderCreate(&Dec_Inst); + + + /* Initialization */ + + WebRtcIlbcfix_EncoderInit(Enc_Inst, mode); + WebRtcIlbcfix_DecoderInit(Dec_Inst, mode); + frameLen = (size_t)(mode*8); + + /* loop over input blocks */ + + while (fread(data,sizeof(int16_t),frameLen,ifileid) == frameLen) { + + blockcount++; + + /* encoding */ + + fprintf(stderr, "--- Encoding block %i --- ",blockcount); + len_int = WebRtcIlbcfix_Encode(Enc_Inst, data, frameLen, encoded_data); + if (len_int < 0) { + fprintf(stderr, "Error encoding\n"); + exit(0); + } + len = (size_t)len_int; + fprintf(stderr, "\r"); + + /* write byte file */ + + len_i16s = (len + 1) / sizeof(int16_t); + if (fwrite(encoded_data, sizeof(int16_t), len_i16s, efileid) != len_i16s) { + return -1; + } + + /* get channel data if provided */ + if (argc==6) { + if (fread(&pli, sizeof(int16_t), 1, cfileid)) { + if ((pli!=0)&&(pli!=1)) { + fprintf(stderr, "Error in channel file\n"); + exit(0); + } + if (pli==0) { + /* Packet loss -> remove info from frame */ + memset(encoded_data, 0, + sizeof(int16_t)*ILBCNOOFWORDS_MAX); + } + } else { + fprintf(stderr, "Error. Channel file too short\n"); + exit(0); + } + } else { + pli=1; + } + + /* decoding */ + + fprintf(stderr, "--- Decoding block %i --- ",blockcount); + if (pli==1) { + len_int=WebRtcIlbcfix_Decode(Dec_Inst, encoded_data, + len, decoded_data,&speechType); + if (len_int < 0) { + fprintf(stderr, "Error decoding\n"); + exit(0); + } + len = (size_t)len_int; + } else { + len=WebRtcIlbcfix_DecodePlc(Dec_Inst, decoded_data, 1); + } + fprintf(stderr, "\r"); + + /* write output file */ + + if (fwrite(decoded_data, sizeof(int16_t), len, ofileid) != len) { + return -1; + } + } + + /* close files */ + + fclose(ifileid); fclose(efileid); fclose(ofileid); + if (argc==6) { + fclose(cfileid); + } + + /* Free structs */ + WebRtcIlbcfix_EncoderFree(Enc_Inst); + WebRtcIlbcfix_DecoderFree(Dec_Inst); + + + printf("\nDone with simulation\n\n"); + + return(0); +} |