git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
niklase@google.com
239
modules/audio_coding/codecs/iLBC/main/test/iLBC_test.c
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239
modules/audio_coding/codecs/iLBC/main/test/iLBC_test.c
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/******************************************************************
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iLBC Speech Coder ANSI-C Source Code
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iLBC_test.c
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******************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "ilbc.h"
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/*---------------------------------------------------------------*
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* Main program to test iLBC encoding and decoding
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*
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* Usage:
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* exefile_name.exe <infile> <bytefile> <outfile> <channel>
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*
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* <infile> : Input file, speech for encoder (16-bit pcm file)
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* <bytefile> : Bit stream output from the encoder
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* <outfile> : Output file, decoded speech (16-bit pcm file)
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* <channel> : Bit error file, optional (16-bit)
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* 1 - Packet received correctly
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* 0 - Packet Lost
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*
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*--------------------------------------------------------------*/
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#define BLOCKL_MAX 240
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#define ILBCNOOFWORDS_MAX 25
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#define ILBCSCRATCHMEMSIZE 2156
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#ifdef __ILBC_WITH_SCRATCHMEM
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WebRtc_Word16 iLBC_ScratchMem[ILBCSCRATCHMEMSIZE];
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WebRtc_Word16 size;
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#endif
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int main(int argc, char* argv[])
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{
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FILE *ifileid,*efileid,*ofileid, *cfileid;
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WebRtc_Word16 data[BLOCKL_MAX];
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WebRtc_Word16 encoded_data[ILBCNOOFWORDS_MAX], decoded_data[BLOCKL_MAX];
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int len;
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short pli, mode;
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int blockcount = 0;
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int packetlosscount = 0;
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int frameLen;
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WebRtc_Word16 speechType;
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iLBC_encinst_t *Enc_Inst;
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iLBC_decinst_t *Dec_Inst;
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#ifdef __ILBC_WITH_40BITACC
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/* Doublecheck that long long exists */
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if (sizeof(long)>=sizeof(long long)) {
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fprintf(stderr, "40-bit simulation is not be supported on this platform\n");
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exit(0);
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}
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#endif
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/* get arguments and open files */
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if ((argc!=5) && (argc!=6)) {
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fprintf(stderr,
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"\n*-----------------------------------------------*\n");
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fprintf(stderr,
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" %s <20,30> input encoded decoded (channel)\n\n",
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argv[0]);
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fprintf(stderr,
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" mode : Frame size for the encoding/decoding\n");
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fprintf(stderr,
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" 20 - 20 ms\n");
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fprintf(stderr,
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" 30 - 30 ms\n");
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fprintf(stderr,
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" input : Speech for encoder (16-bit pcm file)\n");
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fprintf(stderr,
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" encoded : Encoded bit stream\n");
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fprintf(stderr,
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" decoded : Decoded speech (16-bit pcm file)\n");
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fprintf(stderr,
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" channel : Packet loss pattern, optional (16-bit)\n");
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fprintf(stderr,
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" 1 - Packet received correctly\n");
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fprintf(stderr,
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" 0 - Packet Lost\n");
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fprintf(stderr,
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"*-----------------------------------------------*\n\n");
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exit(1);
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}
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mode=atoi(argv[1]);
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if (mode != 20 && mode != 30) {
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fprintf(stderr,"Wrong mode %s, must be 20, or 30\n",
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argv[1]);
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exit(2);
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}
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if ( (ifileid=fopen(argv[2],"rb")) == NULL) {
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fprintf(stderr,"Cannot open input file %s\n", argv[2]);
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exit(2);}
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if ( (efileid=fopen(argv[3],"wb")) == NULL) {
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fprintf(stderr, "Cannot open encoded file file %s\n",
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argv[3]); exit(1);}
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if ( (ofileid=fopen(argv[4],"wb")) == NULL) {
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fprintf(stderr, "Cannot open decoded file %s\n",
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argv[4]); exit(1);}
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if (argc==6) {
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if( (cfileid=fopen(argv[5],"rb")) == NULL) {
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fprintf(stderr, "Cannot open channel file %s\n",
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argv[5]);
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exit(1);
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}
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} else {
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cfileid=NULL;
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}
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/* print info */
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fprintf(stderr, "\n");
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fprintf(stderr,
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"*---------------------------------------------------*\n");
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fprintf(stderr,
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"* *\n");
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fprintf(stderr,
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"* iLBC test program *\n");
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fprintf(stderr,
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"* *\n");
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fprintf(stderr,
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"* *\n");
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fprintf(stderr,
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"*---------------------------------------------------*\n");
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fprintf(stderr,"\nMode : %2d ms\n", mode);
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fprintf(stderr,"Input file : %s\n", argv[2]);
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fprintf(stderr,"Encoded file : %s\n", argv[3]);
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fprintf(stderr,"Output file : %s\n", argv[4]);
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if (argc==6) {
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fprintf(stderr,"Channel file : %s\n", argv[5]);
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}
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fprintf(stderr,"\n");
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/* Create structs */
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WebRtcIlbcfix_EncoderCreate(&Enc_Inst);
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WebRtcIlbcfix_DecoderCreate(&Dec_Inst);
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#ifdef __ILBC_WITH_SCRATCHMEM
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/* Assign scratch memory. Note that Enc and Dec can use the same area */
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WebRtcIlbcfix_EncoderAssignScratchMem(Enc_Inst, iLBC_ScratchMem, &size);
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if (size>ILBCSCRATCHMEMSIZE) { fprintf(stderr,"Error: Scratch not big enough"); exit(0); }
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WebRtcIlbcfix_DecoderAssignScratchMem(Dec_Inst, iLBC_ScratchMem, &size);
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if (size>ILBCSCRATCHMEMSIZE) { fprintf(stderr,"Error: Scratch not big enough"); exit(0); }
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#endif
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/* Initialization */
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WebRtcIlbcfix_EncoderInit(Enc_Inst, mode);
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WebRtcIlbcfix_DecoderInit(Dec_Inst, mode);
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frameLen = mode*8;
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/* loop over input blocks */
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while (((WebRtc_Word16)fread(data,sizeof(WebRtc_Word16),frameLen,ifileid))==
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frameLen) {
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blockcount++;
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/* encoding */
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fprintf(stderr, "--- Encoding block %i --- ",blockcount);
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len=WebRtcIlbcfix_Encode(Enc_Inst, data, (WebRtc_Word16)frameLen, encoded_data);
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fprintf(stderr, "\r");
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/* write byte file */
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fwrite(encoded_data, sizeof(WebRtc_Word16), ((len+1)/sizeof(WebRtc_Word16)), efileid);
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/* get channel data if provided */
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if (argc==6) {
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if (fread(&pli, sizeof(WebRtc_Word16), 1, cfileid)) {
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if ((pli!=0)&&(pli!=1)) {
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fprintf(stderr, "Error in channel file\n");
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exit(0);
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}
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if (pli==0) {
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/* Packet loss -> remove info from frame */
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memset(encoded_data, 0,
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sizeof(WebRtc_Word16)*ILBCNOOFWORDS_MAX);
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packetlosscount++;
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}
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} else {
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fprintf(stderr, "Error. Channel file too short\n");
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exit(0);
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}
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} else {
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pli=1;
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}
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/* decoding */
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fprintf(stderr, "--- Decoding block %i --- ",blockcount);
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if (pli==1) {
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len=WebRtcIlbcfix_Decode(Dec_Inst, encoded_data,
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(WebRtc_Word16)len, decoded_data,&speechType);
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} else {
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len=WebRtcIlbcfix_DecodePlc(Dec_Inst, decoded_data, 1);
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}
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fprintf(stderr, "\r");
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/* write output file */
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fwrite(decoded_data,sizeof(WebRtc_Word16),len,ofileid);
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}
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/* close files */
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fclose(ifileid); fclose(efileid); fclose(ofileid);
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if (argc==6) {
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fclose(cfileid);
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}
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/* Free structs */
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WebRtcIlbcfix_EncoderFree(Enc_Inst);
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WebRtcIlbcfix_DecoderFree(Dec_Inst);
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printf("\nDone with simulation\n\n");
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return(0);
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}
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