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platform-external-webrtc/webrtc/modules/audio_coding/neteq4/test/RTPencode.cc
henrik.lundin@webrtc.org d94659dc27 Initial upload of NetEq4 
This is the first public upload of the new NetEq, version 4.

It has been through extensive internal review during the course of
the project.

TEST=trybots

Review URL: https://webrtc-codereview.appspot.com/1073005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3425 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-01-29 12:09:21 +00:00

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/*
* 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.
*/
//TODO(hlundin): Reformat file to meet style guide.
/* header includes */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <winsock2.h>
#endif
#ifdef WEBRTC_LINUX
#include <netinet/in.h>
#endif
#include <cassert>
#include "webrtc/typedefs.h"
// needed for NetEqDecoder
#include "webrtc/modules/audio_coding/neteq4/interface/audio_decoder.h"
#include "webrtc/modules/audio_coding/neteq4/interface/neteq.h"
/************************/
/* Define payload types */
/************************/
#include "PayloadTypes.h"
/*********************/
/* Misc. definitions */
/*********************/
#define STOPSENDTIME 3000
#define RESTARTSENDTIME 0 //162500
#define FIRSTLINELEN 40
#define CHECK_NOT_NULL(a) if((a)==0){printf("\n %s \n line: %d \nerror at %s\n",__FILE__,__LINE__,#a );return(-1);}
//#define MULTIPLE_SAME_TIMESTAMP
#define REPEAT_PACKET_DISTANCE 17
#define REPEAT_PACKET_COUNT 1 // number of extra packets to send
//#define INSERT_OLD_PACKETS
#define OLD_PACKET 5 // how many seconds too old should the packet be?
//#define TIMESTAMP_WRAPAROUND
//#define RANDOM_DATA
//#define RANDOM_PAYLOAD_DATA
#define RANDOM_SEED 10
//#define INSERT_DTMF_PACKETS
//#define NO_DTMF_OVERDUB
#define DTMF_PACKET_INTERVAL 2000
#define DTMF_DURATION 500
#define STEREO_MODE_FRAME 0
#define STEREO_MODE_SAMPLE_1 1 //1 octet per sample
#define STEREO_MODE_SAMPLE_2 2 //2 octets per sample
/*************************/
/* Function declarations */
/*************************/
void NetEQTest_GetCodec_and_PT(char * name, webrtc::NetEqDecoder *codec, int *PT, int frameLen, int *fs, int *bitrate, int *useRed);
int NetEQTest_init_coders(webrtc::NetEqDecoder coder, int enc_frameSize, int bitrate, int sampfreq , int vad, int numChannels);
void defineCodecs(webrtc::NetEqDecoder *usedCodec, int *noOfCodecs );
int NetEQTest_free_coders(webrtc::NetEqDecoder coder, int numChannels);
int NetEQTest_encode(int coder, WebRtc_Word16 *indata, int frameLen, unsigned char * encoded,int sampleRate , int * vad, int useVAD, int bitrate, int numChannels);
void makeRTPheader(unsigned char* rtp_data, int payloadType, int seqNo, WebRtc_UWord32 timestamp, WebRtc_UWord32 ssrc);
int makeRedundantHeader(unsigned char* rtp_data, int *payloadType, int numPayloads, WebRtc_UWord32 *timestamp, WebRtc_UWord16 *blockLen,
int seqNo, WebRtc_UWord32 ssrc);
int makeDTMFpayload(unsigned char* payload_data, int Event, int End, int Volume, int Duration);
void stereoDeInterleave(WebRtc_Word16* audioSamples, int numSamples);
void stereoInterleave(unsigned char* data, int dataLen, int stride);
/*********************/
/* Codec definitions */
/*********************/
#include "webrtc_vad.h"
#if ((defined CODEC_PCM16B)||(defined NETEQ_ARBITRARY_CODEC))
#include "pcm16b.h"
#endif
#ifdef CODEC_G711
#include "g711_interface.h"
#endif
#ifdef CODEC_G729
#include "G729Interface.h"
#endif
#ifdef CODEC_G729_1
#include "G729_1Interface.h"
#endif
#ifdef CODEC_AMR
#include "AMRInterface.h"
#include "AMRCreation.h"
#endif
#ifdef CODEC_AMRWB
#include "AMRWBInterface.h"
#include "AMRWBCreation.h"
#endif
#ifdef CODEC_ILBC
#include "ilbc.h"
#endif
#if (defined CODEC_ISAC || defined CODEC_ISAC_SWB)
#include "isac.h"
#endif
#ifdef NETEQ_ISACFIX_CODEC
#include "isacfix.h"
#ifdef CODEC_ISAC
#error Cannot have both ISAC and ISACfix defined. Please de-select one in the beginning of RTPencode.cpp
#endif
#endif
#ifdef CODEC_G722
#include "g722_interface.h"
#endif
#ifdef CODEC_G722_1_24
#include "G722_1Interface.h"
#endif
#ifdef CODEC_G722_1_32
#include "G722_1Interface.h"
#endif
#ifdef CODEC_G722_1_16
#include "G722_1Interface.h"
#endif
#ifdef CODEC_G722_1C_24
#include "G722_1Interface.h"
#endif
#ifdef CODEC_G722_1C_32
#include "G722_1Interface.h"
#endif
#ifdef CODEC_G722_1C_48
#include "G722_1Interface.h"
#endif
#ifdef CODEC_G726
#include "G726Creation.h"
#include "G726Interface.h"
#endif
#ifdef CODEC_GSMFR
#include "GSMFRInterface.h"
#include "GSMFRCreation.h"
#endif
#if (defined(CODEC_CNGCODEC8) || defined(CODEC_CNGCODEC16) || \
defined(CODEC_CNGCODEC32) || defined(CODEC_CNGCODEC48))
#include "webrtc_cng.h"
#endif
#if ((defined CODEC_SPEEX_8)||(defined CODEC_SPEEX_16))
#include "SpeexInterface.h"
#endif
#ifdef CODEC_CELT_32
#include "celt_interface.h"
#endif
/***********************************/
/* Global codec instance variables */
/***********************************/
WebRtcVadInst *VAD_inst[2];
#ifdef CODEC_G722
G722EncInst *g722EncState[2];
#endif
#ifdef CODEC_G722_1_24
G722_1_24_encinst_t *G722_1_24enc_inst[2];
#endif
#ifdef CODEC_G722_1_32
G722_1_32_encinst_t *G722_1_32enc_inst[2];
#endif
#ifdef CODEC_G722_1_16
G722_1_16_encinst_t *G722_1_16enc_inst[2];
#endif
#ifdef CODEC_G722_1C_24
G722_1C_24_encinst_t *G722_1C_24enc_inst[2];
#endif
#ifdef CODEC_G722_1C_32
G722_1C_32_encinst_t *G722_1C_32enc_inst[2];
#endif
#ifdef CODEC_G722_1C_48
G722_1C_48_encinst_t *G722_1C_48enc_inst[2];
#endif
#ifdef CODEC_G726
G726_encinst_t *G726enc_inst[2];
#endif
#ifdef CODEC_G729
G729_encinst_t *G729enc_inst[2];
#endif
#ifdef CODEC_G729_1
G729_1_inst_t *G729_1_inst[2];
#endif
#ifdef CODEC_AMR
AMR_encinst_t *AMRenc_inst[2];
WebRtc_Word16 AMR_bitrate;
#endif
#ifdef CODEC_AMRWB
AMRWB_encinst_t *AMRWBenc_inst[2];
WebRtc_Word16 AMRWB_bitrate;
#endif
#ifdef CODEC_ILBC
iLBC_encinst_t *iLBCenc_inst[2];
#endif
#ifdef CODEC_ISAC
ISACStruct *ISAC_inst[2];
#endif
#ifdef NETEQ_ISACFIX_CODEC
ISACFIX_MainStruct *ISAC_inst[2];
#endif
#ifdef CODEC_ISAC_SWB
ISACStruct *ISACSWB_inst[2];
#endif
#ifdef CODEC_GSMFR
GSMFR_encinst_t *GSMFRenc_inst[2];
#endif
#if (defined(CODEC_CNGCODEC8) || defined(CODEC_CNGCODEC16) || \
defined(CODEC_CNGCODEC32) || defined(CODEC_CNGCODEC48))
CNG_enc_inst *CNGenc_inst[2];
#endif
#ifdef CODEC_SPEEX_8
SPEEX_encinst_t *SPEEX8enc_inst[2];
#endif
#ifdef CODEC_SPEEX_16
SPEEX_encinst_t *SPEEX16enc_inst[2];
#endif
#ifdef CODEC_CELT_32
CELT_encinst_t *CELT32enc_inst[2];
#endif
#ifdef CODEC_G711
void *G711state[2]={NULL, NULL};
#endif
int main(int argc, char* argv[])
{
int packet_size, fs;
webrtc::NetEqDecoder usedCodec;
int payloadType;
int bitrate = 0;
int useVAD, vad;
int useRed=0;
int len, enc_len;
WebRtc_Word16 org_data[4000];
unsigned char rtp_data[8000];
WebRtc_Word16 seqNo=0xFFF;
WebRtc_UWord32 ssrc=1235412312;
WebRtc_UWord32 timestamp=0xAC1245;
WebRtc_UWord16 length, plen;
WebRtc_UWord32 offset;
double sendtime = 0;
int red_PT[2] = {0};
WebRtc_UWord32 red_TS[2] = {0};
WebRtc_UWord16 red_len[2] = {0};
int RTPheaderLen=12;
unsigned char red_data[8000];
#ifdef INSERT_OLD_PACKETS
WebRtc_UWord16 old_length, old_plen;
int old_enc_len;
int first_old_packet=1;
unsigned char old_rtp_data[8000];
int packet_age=0;
#endif
#ifdef INSERT_DTMF_PACKETS
int NTone = 1;
int DTMFfirst = 1;
WebRtc_UWord32 DTMFtimestamp;
bool dtmfSent = false;
#endif
bool usingStereo = false;
int stereoMode = 0;
int numChannels = 1;
/* check number of parameters */
if ((argc != 6) && (argc != 7)) {
/* print help text and exit */
printf("Application to encode speech into an RTP stream.\n");
printf("The program reads a PCM file and encodes is using the specified codec.\n");
printf("The coded speech is packetized in RTP packest and written to the output file.\n");
printf("The format of the RTP stream file is simlilar to that of rtpplay,\n");
printf("but with the receive time euqal to 0 for all packets.\n");
printf("Usage:\n\n");
printf("%s PCMfile RTPfile frameLen codec useVAD bitrate\n", argv[0]);
printf("where:\n");
printf("PCMfile : PCM speech input file\n\n");
printf("RTPfile : RTP stream output file\n\n");
printf("frameLen : 80...960... Number of samples per packet (limit depends on codec)\n\n");
printf("codecName\n");
#ifdef CODEC_PCM16B
printf(" : pcm16b 16 bit PCM (8kHz)\n");
#endif
#ifdef CODEC_PCM16B_WB
printf(" : pcm16b_wb 16 bit PCM (16kHz)\n");
#endif
#ifdef CODEC_PCM16B_32KHZ
printf(" : pcm16b_swb32 16 bit PCM (32kHz)\n");
#endif
#ifdef CODEC_PCM16B_48KHZ
printf(" : pcm16b_swb48 16 bit PCM (48kHz)\n");
#endif
#ifdef CODEC_G711
printf(" : pcma g711 A-law (8kHz)\n");
#endif
#ifdef CODEC_G711
printf(" : pcmu g711 u-law (8kHz)\n");
#endif
#ifdef CODEC_G729
printf(" : g729 G729 (8kHz and 8kbps) CELP (One-Three frame(s)/packet)\n");
#endif
#ifdef CODEC_G729_1
printf(" : g729.1 G729.1 (16kHz) variable rate (8--32 kbps)\n");
#endif
#ifdef CODEC_G722_1_16
printf(" : g722.1_16 G722.1 coder (16kHz) (g722.1 with 16kbps)\n");
#endif
#ifdef CODEC_G722_1_24
printf(" : g722.1_24 G722.1 coder (16kHz) (the 24kbps version)\n");
#endif
#ifdef CODEC_G722_1_32
printf(" : g722.1_32 G722.1 coder (16kHz) (the 32kbps version)\n");
#endif
#ifdef CODEC_G722_1C_24
printf(" : g722.1C_24 G722.1 C coder (32kHz) (the 24kbps version)\n");
#endif
#ifdef CODEC_G722_1C_32
printf(" : g722.1C_32 G722.1 C coder (32kHz) (the 32kbps version)\n");
#endif
#ifdef CODEC_G722_1C_48
printf(" : g722.1C_48 G722.1 C coder (32kHz) (the 48kbps)\n");
#endif
#ifdef CODEC_G726
printf(" : g726_16 G726 coder (8kHz) 16kbps\n");
printf(" : g726_24 G726 coder (8kHz) 24kbps\n");
printf(" : g726_32 G726 coder (8kHz) 32kbps\n");
printf(" : g726_40 G726 coder (8kHz) 40kbps\n");
#endif
#ifdef CODEC_AMR
printf(" : AMRXk Adaptive Multi Rate CELP codec (8kHz)\n");
printf(" X = 4.75, 5.15, 5.9, 6.7, 7.4, 7.95, 10.2 or 12.2\n");
#endif
#ifdef CODEC_AMRWB
printf(" : AMRwbXk Adaptive Multi Rate Wideband CELP codec (16kHz)\n");
printf(" X = 7, 9, 12, 14, 16, 18, 20, 23 or 24\n");
#endif
#ifdef CODEC_ILBC
printf(" : ilbc iLBC codec (8kHz and 13.8kbps)\n");
#endif
#ifdef CODEC_ISAC
printf(" : isac iSAC (16kHz and 32.0 kbps). To set rate specify a rate parameter as last parameter\n");
#endif
#ifdef CODEC_ISAC_SWB
printf(" : isacswb iSAC SWB (32kHz and 32.0-52.0 kbps). To set rate specify a rate parameter as last parameter\n");
#endif
#ifdef CODEC_GSMFR
printf(" : gsmfr GSM FR codec (8kHz and 13kbps)\n");
#endif
#ifdef CODEC_G722
printf(" : g722 g722 coder (16kHz) (the 64kbps version)\n");
#endif
#ifdef CODEC_SPEEX_8
printf(" : speex8 speex coder (8 kHz)\n");
#endif
#ifdef CODEC_SPEEX_16
printf(" : speex16 speex coder (16 kHz)\n");
#endif
#ifdef CODEC_CELT_32
printf(" : celt32 celt coder (32 kHz)\n");
#endif
#ifdef CODEC_RED
#ifdef CODEC_G711
printf(" : red_pcm Redundancy RTP packet with 2*G711A frames\n");
#endif
#ifdef CODEC_ISAC
printf(" : red_isac Redundancy RTP packet with 2*iSAC frames\n");
#endif
#endif
printf("\n");
#if (defined(CODEC_CNGCODEC8) || defined(CODEC_CNGCODEC16) || \
defined(CODEC_CNGCODEC32) || defined(CODEC_CNGCODEC48))
printf("useVAD : 0 Voice Activity Detection is switched off\n");
printf(" : 1 Voice Activity Detection is switched on\n\n");
#else
printf("useVAD : 0 Voice Activity Detection switched off (on not supported)\n\n");
#endif
printf("bitrate : Codec bitrate in bps (only applies to vbr codecs)\n\n");
return(0);
}
FILE* in_file=fopen(argv[1],"rb");
CHECK_NOT_NULL(in_file);
printf("Input file: %s\n",argv[1]);
FILE* out_file=fopen(argv[2],"wb");
CHECK_NOT_NULL(out_file);
printf("Output file: %s\n\n",argv[2]);
packet_size=atoi(argv[3]);
CHECK_NOT_NULL(packet_size);
printf("Packet size: %i\n",packet_size);
// check for stereo
if(argv[4][strlen(argv[4])-1] == '*') {
// use stereo
usingStereo = true;
numChannels = 2;
argv[4][strlen(argv[4])-1] = '\0';
}
NetEQTest_GetCodec_and_PT(argv[4], &usedCodec, &payloadType, packet_size, &fs, &bitrate, &useRed);
if(useRed) {
RTPheaderLen = 12 + 4 + 1; /* standard RTP = 12; 4 bytes per redundant payload, except last one which is 1 byte */
}
useVAD=atoi(argv[5]);
#if !(defined(CODEC_CNGCODEC8) || defined(CODEC_CNGCODEC16) || \
defined(CODEC_CNGCODEC32) || defined(CODEC_CNGCODEC48))
if (useVAD!=0) {
printf("Error: this simulation does not support VAD/DTX/CNG\n");
}
#endif
// check stereo type
if(usingStereo)
{
switch(usedCodec)
{
// sample based codecs
case webrtc::kDecoderPCMu:
case webrtc::kDecoderPCMa:
case webrtc::kDecoderG722:
{
// 1 octet per sample
stereoMode = STEREO_MODE_SAMPLE_1;
break;
}
case webrtc::kDecoderPCM16B:
case webrtc::kDecoderPCM16Bwb:
case webrtc::kDecoderPCM16Bswb32kHz:
case webrtc::kDecoderPCM16Bswb48kHz:
{
// 2 octets per sample
stereoMode = STEREO_MODE_SAMPLE_2;
break;
}
// fixed-rate frame codecs (with internal VAD)
default:
{
printf("Cannot use codec %s as stereo codec\n", argv[4]);
exit(0);
}
}
}
if ((usedCodec == webrtc::kDecoderISAC) || (usedCodec == webrtc::kDecoderISACswb))
{
if (argc != 7)
{
if (usedCodec == webrtc::kDecoderISAC)
{
bitrate = 32000;
printf(
"Running iSAC at default bitrate of 32000 bps (to specify explicitly add the bps as last parameter)\n");
}
else // (usedCodec==webrtc::kDecoderISACswb)
{
bitrate = 56000;
printf(
"Running iSAC at default bitrate of 56000 bps (to specify explicitly add the bps as last parameter)\n");
}
}
else
{
bitrate = atoi(argv[6]);
if (usedCodec == webrtc::kDecoderISAC)
{
if ((bitrate < 10000) || (bitrate > 32000))
{
printf(
"Error: iSAC bitrate must be between 10000 and 32000 bps (%i is invalid)\n",
bitrate);
exit(0);
}
printf("Running iSAC at bitrate of %i bps\n", bitrate);
}
else // (usedCodec==webrtc::kDecoderISACswb)
{
if ((bitrate < 32000) || (bitrate > 56000))
{
printf(
"Error: iSAC SWB bitrate must be between 32000 and 56000 bps (%i is invalid)\n",
bitrate);
exit(0);
}
}
}
}
else
{
if (argc == 7)
{
printf(
"Error: Bitrate parameter can only be specified for iSAC, G.723, and G.729.1\n");
exit(0);
}
}
if(useRed) {
printf("Redundancy engaged. ");
}
printf("Used codec: %i\n",usedCodec);
printf("Payload type: %i\n",payloadType);
NetEQTest_init_coders(usedCodec, packet_size, bitrate, fs, useVAD, numChannels);
/* write file header */
//fprintf(out_file, "#!RTPencode%s\n", "1.0");
fprintf(out_file, "#!rtpplay%s \n", "1.0"); // this is the string that rtpplay needs
WebRtc_UWord32 dummy_variable = 0; // should be converted to network endian format, but does not matter when 0
if (fwrite(&dummy_variable, 4, 1, out_file) != 1) {
return -1;
}
if (fwrite(&dummy_variable, 4, 1, out_file) != 1) {
return -1;
}
if (fwrite(&dummy_variable, 4, 1, out_file) != 1) {
return -1;
}
if (fwrite(&dummy_variable, 2, 1, out_file) != 1) {
return -1;
}
if (fwrite(&dummy_variable, 2, 1, out_file) != 1) {
return -1;
}
#ifdef TIMESTAMP_WRAPAROUND
timestamp = 0xFFFFFFFF - fs*10; /* should give wrap-around in 10 seconds */
#endif
#if defined(RANDOM_DATA) | defined(RANDOM_PAYLOAD_DATA)
srand(RANDOM_SEED);
#endif
/* if redundancy is used, the first redundant payload is zero length */
red_len[0] = 0;
/* read first frame */
len=fread(org_data,2,packet_size * numChannels,in_file) / numChannels;
/* de-interleave if stereo */
if ( usingStereo )
{
stereoDeInterleave(org_data, len * numChannels);
}
while (len==packet_size) {
#ifdef INSERT_DTMF_PACKETS
dtmfSent = false;
if ( sendtime >= NTone * DTMF_PACKET_INTERVAL ) {
if ( sendtime < NTone * DTMF_PACKET_INTERVAL + DTMF_DURATION ) {
// tone has not ended
if (DTMFfirst==1) {
DTMFtimestamp = timestamp; // save this timestamp
DTMFfirst=0;
}
makeRTPheader(rtp_data, NETEQ_CODEC_AVT_PT, seqNo,DTMFtimestamp, ssrc);
enc_len = makeDTMFpayload(&rtp_data[12], NTone % 12, 0, 4, (int) (sendtime - NTone * DTMF_PACKET_INTERVAL)*(fs/1000) + len);
}
else {
// tone has ended
makeRTPheader(rtp_data, NETEQ_CODEC_AVT_PT, seqNo,DTMFtimestamp, ssrc);
enc_len = makeDTMFpayload(&rtp_data[12], NTone % 12, 1, 4, DTMF_DURATION*(fs/1000));
NTone++;
DTMFfirst=1;
}
/* write RTP packet to file */
length = htons(12 + enc_len + 8);
plen = htons(12 + enc_len);
offset = (WebRtc_UWord32) sendtime; //(timestamp/(fs/1000));
offset = htonl(offset);
if (fwrite(&length, 2, 1, out_file) != 1) {
return -1;
}
if (fwrite(&plen, 2, 1, out_file) != 1) {
return -1;
}
if (fwrite(&offset, 4, 1, out_file) != 1) {
return -1;
}
if (fwrite(rtp_data, 12 + enc_len, 1, out_file) != 1) {
return -1;
}
dtmfSent = true;
}
#endif
#ifdef NO_DTMF_OVERDUB
/* If DTMF is sent, we should not send any speech packets during the same time */
if (dtmfSent) {
enc_len = 0;
}
else {
#endif
/* encode frame */
enc_len=NetEQTest_encode(usedCodec, org_data, packet_size, &rtp_data[12] ,fs,&vad, useVAD, bitrate, numChannels);
if (enc_len==-1) {
printf("Error encoding frame\n");
exit(0);
}
if ( usingStereo &&
stereoMode != STEREO_MODE_FRAME &&
vad == 1 )
{
// interleave the encoded payload for sample-based codecs (not for CNG)
stereoInterleave(&rtp_data[12], enc_len, stereoMode);
}
#ifdef NO_DTMF_OVERDUB
}
#endif
if (enc_len > 0 && (sendtime <= STOPSENDTIME || sendtime > RESTARTSENDTIME)) {
if(useRed) {
if(red_len[0] > 0) {
memmove(&rtp_data[RTPheaderLen+red_len[0]], &rtp_data[12], enc_len);
memcpy(&rtp_data[RTPheaderLen], red_data, red_len[0]);
red_len[1] = enc_len;
red_TS[1] = timestamp;
if(vad)
red_PT[1] = payloadType;
else
red_PT[1] = NETEQ_CODEC_CN_PT;
makeRedundantHeader(rtp_data, red_PT, 2, red_TS, red_len, seqNo++, ssrc);
enc_len += red_len[0] + RTPheaderLen - 12;
}
else { // do not use redundancy payload for this packet, i.e., only last payload
memmove(&rtp_data[RTPheaderLen-4], &rtp_data[12], enc_len);
//memcpy(&rtp_data[RTPheaderLen], red_data, red_len[0]);
red_len[1] = enc_len;
red_TS[1] = timestamp;
if(vad)
red_PT[1] = payloadType;
else
red_PT[1] = NETEQ_CODEC_CN_PT;
makeRedundantHeader(rtp_data, red_PT, 2, red_TS, red_len, seqNo++, ssrc);
enc_len += red_len[0] + RTPheaderLen - 4 - 12; // 4 is length of redundancy header (not used)
}
}
else {
/* make RTP header */
if (vad) // regular speech data
makeRTPheader(rtp_data, payloadType, seqNo++,timestamp, ssrc);
else // CNG data
makeRTPheader(rtp_data, NETEQ_CODEC_CN_PT, seqNo++,timestamp, ssrc);
}
#ifdef MULTIPLE_SAME_TIMESTAMP
int mult_pack=0;
do {
#endif //MULTIPLE_SAME_TIMESTAMP
/* write RTP packet to file */
length = htons(12 + enc_len + 8);
plen = htons(12 + enc_len);
offset = (WebRtc_UWord32) sendtime;
//(timestamp/(fs/1000));
offset = htonl(offset);
if (fwrite(&length, 2, 1, out_file) != 1) {
return -1;
}
if (fwrite(&plen, 2, 1, out_file) != 1) {
return -1;
}
if (fwrite(&offset, 4, 1, out_file) != 1) {
return -1;
}
#ifdef RANDOM_DATA
for (int k=0; k<12+enc_len; k++) {
rtp_data[k] = rand() + rand();
}
#endif
#ifdef RANDOM_PAYLOAD_DATA
for (int k=12; k<12+enc_len; k++) {
rtp_data[k] = rand() + rand();
}
#endif
if (fwrite(rtp_data, 12 + enc_len, 1, out_file) != 1) {
return -1;
}
#ifdef MULTIPLE_SAME_TIMESTAMP
} while ( (seqNo%REPEAT_PACKET_DISTANCE == 0) && (mult_pack++ < REPEAT_PACKET_COUNT) );
#endif //MULTIPLE_SAME_TIMESTAMP
#ifdef INSERT_OLD_PACKETS
if (packet_age >= OLD_PACKET*fs) {
if (!first_old_packet) {
// send the old packet
if (fwrite(&old_length, 2, 1,
out_file) != 1) {
return -1;
}
if (fwrite(&old_plen, 2, 1,
out_file) != 1) {
return -1;
}
if (fwrite(&offset, 4, 1,
out_file) != 1) {
return -1;
}
if (fwrite(old_rtp_data, 12 + old_enc_len,
1, out_file) != 1) {
return -1;
}
}
// store current packet as old
old_length=length;
old_plen=plen;
memcpy(old_rtp_data,rtp_data,12+enc_len);
old_enc_len=enc_len;
first_old_packet=0;
packet_age=0;
}
packet_age += packet_size;
#endif
if(useRed) {
/* move data to redundancy store */
#ifdef CODEC_ISAC
if(usedCodec==webrtc::kDecoderISAC)
{
assert(!usingStereo); // Cannot handle stereo yet
red_len[0] = WebRtcIsac_GetRedPayload(ISAC_inst[0], (WebRtc_Word16*)red_data);
}
else
{
#endif
memcpy(red_data, &rtp_data[RTPheaderLen+red_len[0]], enc_len);
red_len[0]=red_len[1];
#ifdef CODEC_ISAC
}
#endif
red_TS[0]=red_TS[1];
red_PT[0]=red_PT[1];
}
}
/* read next frame */
len=fread(org_data,2,packet_size * numChannels,in_file) / numChannels;
/* de-interleave if stereo */
if ( usingStereo )
{
stereoDeInterleave(org_data, len * numChannels);
}
if (payloadType==NETEQ_CODEC_G722_PT)
timestamp+=len>>1;
else
timestamp+=len;
sendtime += (double) len/(fs/1000);
}
NetEQTest_free_coders(usedCodec, numChannels);
fclose(in_file);
fclose(out_file);
printf("Done!\n");
return(0);
}
/****************/
/* Subfunctions */
/****************/
void NetEQTest_GetCodec_and_PT(char * name, webrtc::NetEqDecoder *codec, int *PT, int frameLen, int *fs, int *bitrate, int *useRed) {
*bitrate = 0; /* Default bitrate setting */
*useRed = 0; /* Default no redundancy */
if(!strcmp(name,"pcmu")){
*codec=webrtc::kDecoderPCMu;
*PT=NETEQ_CODEC_PCMU_PT;
*fs=8000;
}
else if(!strcmp(name,"pcma")){
*codec=webrtc::kDecoderPCMa;
*PT=NETEQ_CODEC_PCMA_PT;
*fs=8000;
}
else if(!strcmp(name,"pcm16b")){
*codec=webrtc::kDecoderPCM16B;
*PT=NETEQ_CODEC_PCM16B_PT;
*fs=8000;
}
else if(!strcmp(name,"pcm16b_wb")){
*codec=webrtc::kDecoderPCM16Bwb;
*PT=NETEQ_CODEC_PCM16B_WB_PT;
*fs=16000;
}
else if(!strcmp(name,"pcm16b_swb32")){
*codec=webrtc::kDecoderPCM16Bswb32kHz;
*PT=NETEQ_CODEC_PCM16B_SWB32KHZ_PT;
*fs=32000;
}
else if(!strcmp(name,"pcm16b_swb48")){
*codec=webrtc::kDecoderPCM16Bswb48kHz;
*PT=NETEQ_CODEC_PCM16B_SWB48KHZ_PT;
*fs=48000;
}
else if(!strcmp(name,"g722")){
*codec=webrtc::kDecoderG722;
*PT=NETEQ_CODEC_G722_PT;
*fs=16000;
}
else if((!strcmp(name,"ilbc"))&&((frameLen%240==0)||(frameLen%160==0))){
*fs=8000;
*codec=webrtc::kDecoderILBC;
*PT=NETEQ_CODEC_ILBC_PT;
}
else if(!strcmp(name,"isac")){
*fs=16000;
*codec=webrtc::kDecoderISAC;
*PT=NETEQ_CODEC_ISAC_PT;
}
else if(!strcmp(name,"isacswb")){
*fs=32000;
*codec=webrtc::kDecoderISACswb;
*PT=NETEQ_CODEC_ISACSWB_PT;
}
else if(!strcmp(name,"celt32")){
*fs=32000;
*codec=webrtc::kDecoderCELT_32;
*PT=NETEQ_CODEC_CELT32_PT;
}
else if(!strcmp(name,"red_pcm")){
*codec=webrtc::kDecoderPCMa;
*PT=NETEQ_CODEC_PCMA_PT; /* this will be the PT for the sub-headers */
*fs=8000;
*useRed = 1;
} else if(!strcmp(name,"red_isac")){
*codec=webrtc::kDecoderISAC;
*PT=NETEQ_CODEC_ISAC_PT; /* this will be the PT for the sub-headers */
*fs=16000;
*useRed = 1;
} else {
printf("Error: Not a supported codec (%s)\n", name);
exit(0);
}
}
int NetEQTest_init_coders(webrtc::NetEqDecoder coder, int enc_frameSize, int bitrate, int sampfreq , int vad, int numChannels){
int ok=0;
for (int k = 0; k < numChannels; k++)
{
ok=WebRtcVad_Create(&VAD_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for VAD instance\n");
exit(0);
}
ok=WebRtcVad_Init(VAD_inst[k]);
if (ok==-1) {
printf("Error: Initialization of VAD struct failed\n");
exit(0);
}
#if (defined(CODEC_CNGCODEC8) || defined(CODEC_CNGCODEC16) || \
defined(CODEC_CNGCODEC32) || defined(CODEC_CNGCODEC48))
ok=WebRtcCng_CreateEnc(&CNGenc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for CNG encoding instance\n");
exit(0);
}
if(sampfreq <= 16000) {
ok=WebRtcCng_InitEnc(CNGenc_inst[k],sampfreq, 200, 5);
if (ok==-1) {
printf("Error: Initialization of CNG struct failed. Error code %d\n",
WebRtcCng_GetErrorCodeEnc(CNGenc_inst[k]));
exit(0);
}
}
#endif
switch (coder) {
#ifdef CODEC_PCM16B
case webrtc::kDecoderPCM16B :
#endif
#ifdef CODEC_PCM16B_WB
case webrtc::kDecoderPCM16Bwb :
#endif
#ifdef CODEC_PCM16B_32KHZ
case webrtc::kDecoderPCM16Bswb32kHz :
#endif
#ifdef CODEC_PCM16B_48KHZ
case webrtc::kDecoderPCM16Bswb48kHz :
#endif
#ifdef CODEC_G711
case webrtc::kDecoderPCMu :
case webrtc::kDecoderPCMa :
#endif
// do nothing
break;
#ifdef CODEC_G729
case webrtc::kDecoderG729:
if (sampfreq==8000) {
if ((enc_frameSize==80)||(enc_frameSize==160)||(enc_frameSize==240)||(enc_frameSize==320)||(enc_frameSize==400)||(enc_frameSize==480)) {
ok=WebRtcG729_CreateEnc(&G729enc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G729 encoding instance\n");
exit(0);
}
} else {
printf("\nError: g729 only supports 10, 20, 30, 40, 50 or 60 ms!!\n\n");
exit(0);
}
WebRtcG729_EncoderInit(G729enc_inst[k], vad);
if ((vad==1)&&(enc_frameSize!=80)) {
printf("\nError - This simulation only supports VAD for G729 at 10ms packets (not %dms)\n", (enc_frameSize>>3));
}
} else {
printf("\nError - g729 is only developed for 8kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_G729_1
case webrtc::kDecoderG729_1:
if (sampfreq==16000) {
if ((enc_frameSize==320)||(enc_frameSize==640)||(enc_frameSize==960)
) {
ok=WebRtcG7291_Create(&G729_1_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G.729.1 codec instance\n");
exit(0);
}
} else {
printf("\nError: G.729.1 only supports 20, 40 or 60 ms!!\n\n");
exit(0);
}
if (!(((bitrate >= 12000) && (bitrate <= 32000) && (bitrate%2000 == 0)) || (bitrate == 8000))) {
/* must be 8, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, or 32 kbps */
printf("\nError: G.729.1 bitrate must be 8000 or 12000--32000 in steps of 2000 bps\n");
exit(0);
}
WebRtcG7291_EncoderInit(G729_1_inst[k], bitrate, 0 /* flag8kHz*/, 0 /*flagG729mode*/);
} else {
printf("\nError - G.729.1 input is always 16 kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_SPEEX_8
case webrtc::kDecoderSPEEX_8 :
if (sampfreq==8000) {
if ((enc_frameSize==160)||(enc_frameSize==320)||(enc_frameSize==480)) {
ok=WebRtcSpeex_CreateEnc(&SPEEX8enc_inst[k], sampfreq);
if (ok!=0) {
printf("Error: Couldn't allocate memory for Speex encoding instance\n");
exit(0);
}
} else {
printf("\nError: Speex only supports 20, 40, and 60 ms!!\n\n");
exit(0);
}
if ((vad==1)&&(enc_frameSize!=160)) {
printf("\nError - This simulation only supports VAD for Speex at 20ms packets (not %dms)\n", (enc_frameSize>>3));
vad=0;
}
ok=WebRtcSpeex_EncoderInit(SPEEX8enc_inst[k], 0/*vbr*/, 3 /*complexity*/, vad);
if (ok!=0) exit(0);
} else {
printf("\nError - Speex8 called with sample frequency other than 8 kHz.\n\n");
}
break;
#endif
#ifdef CODEC_SPEEX_16
case webrtc::kDecoderSPEEX_16 :
if (sampfreq==16000) {
if ((enc_frameSize==320)||(enc_frameSize==640)||(enc_frameSize==960)) {
ok=WebRtcSpeex_CreateEnc(&SPEEX16enc_inst[k], sampfreq);
if (ok!=0) {
printf("Error: Couldn't allocate memory for Speex encoding instance\n");
exit(0);
}
} else {
printf("\nError: Speex only supports 20, 40, and 60 ms!!\n\n");
exit(0);
}
if ((vad==1)&&(enc_frameSize!=320)) {
printf("\nError - This simulation only supports VAD for Speex at 20ms packets (not %dms)\n", (enc_frameSize>>4));
vad=0;
}
ok=WebRtcSpeex_EncoderInit(SPEEX16enc_inst[k], 0/*vbr*/, 3 /*complexity*/, vad);
if (ok!=0) exit(0);
} else {
printf("\nError - Speex16 called with sample frequency other than 16 kHz.\n\n");
}
break;
#endif
#ifdef CODEC_CELT_32
case webrtc::kDecoderCELT_32 :
if (sampfreq==32000) {
if (enc_frameSize==320) {
ok=WebRtcCelt_CreateEnc(&CELT32enc_inst[k], 1 /*mono*/);
if (ok!=0) {
printf("Error: Couldn't allocate memory for Celt encoding instance\n");
exit(0);
}
} else {
printf("\nError: Celt only supports 10 ms!!\n\n");
exit(0);
}
ok=WebRtcCelt_EncoderInit(CELT32enc_inst[k], 1 /*mono*/, 48000 /*bitrate*/);
if (ok!=0) exit(0);
} else {
printf("\nError - Celt32 called with sample frequency other than 32 kHz.\n\n");
}
break;
#endif
#ifdef CODEC_G722_1_16
case webrtc::kDecoderG722_1_16 :
if (sampfreq==16000) {
ok=WebRtcG7221_CreateEnc16(&G722_1_16enc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G.722.1 instance\n");
exit(0);
}
if (enc_frameSize==320) {
} else {
printf("\nError: G722.1 only supports 20 ms!!\n\n");
exit(0);
}
WebRtcG7221_EncoderInit16((G722_1_16_encinst_t*)G722_1_16enc_inst[k]);
} else {
printf("\nError - G722.1 is only developed for 16kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_G722_1_24
case webrtc::kDecoderG722_1_24 :
if (sampfreq==16000) {
ok=WebRtcG7221_CreateEnc24(&G722_1_24enc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G.722.1 instance\n");
exit(0);
}
if (enc_frameSize==320) {
} else {
printf("\nError: G722.1 only supports 20 ms!!\n\n");
exit(0);
}
WebRtcG7221_EncoderInit24((G722_1_24_encinst_t*)G722_1_24enc_inst[k]);
} else {
printf("\nError - G722.1 is only developed for 16kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_G722_1_32
case webrtc::kDecoderG722_1_32 :
if (sampfreq==16000) {
ok=WebRtcG7221_CreateEnc32(&G722_1_32enc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G.722.1 instance\n");
exit(0);
}
if (enc_frameSize==320) {
} else {
printf("\nError: G722.1 only supports 20 ms!!\n\n");
exit(0);
}
WebRtcG7221_EncoderInit32((G722_1_32_encinst_t*)G722_1_32enc_inst[k]);
} else {
printf("\nError - G722.1 is only developed for 16kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_G722_1C_24
case webrtc::kDecoderG722_1C_24 :
if (sampfreq==32000) {
ok=WebRtcG7221C_CreateEnc24(&G722_1C_24enc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G.722.1C instance\n");
exit(0);
}
if (enc_frameSize==640) {
} else {
printf("\nError: G722.1 C only supports 20 ms!!\n\n");
exit(0);
}
WebRtcG7221C_EncoderInit24((G722_1C_24_encinst_t*)G722_1C_24enc_inst[k]);
} else {
printf("\nError - G722.1 C is only developed for 32kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_G722_1C_32
case webrtc::kDecoderG722_1C_32 :
if (sampfreq==32000) {
ok=WebRtcG7221C_CreateEnc32(&G722_1C_32enc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G.722.1C instance\n");
exit(0);
}
if (enc_frameSize==640) {
} else {
printf("\nError: G722.1 C only supports 20 ms!!\n\n");
exit(0);
}
WebRtcG7221C_EncoderInit32((G722_1C_32_encinst_t*)G722_1C_32enc_inst[k]);
} else {
printf("\nError - G722.1 C is only developed for 32kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_G722_1C_48
case webrtc::kDecoderG722_1C_48 :
if (sampfreq==32000) {
ok=WebRtcG7221C_CreateEnc48(&G722_1C_48enc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for G.722.1C instance\n");
exit(0);
}
if (enc_frameSize==640) {
} else {
printf("\nError: G722.1 C only supports 20 ms!!\n\n");
exit(0);
}
WebRtcG7221C_EncoderInit48((G722_1C_48_encinst_t*)G722_1C_48enc_inst[k]);
} else {
printf("\nError - G722.1 C is only developed for 32kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_G722
case webrtc::kDecoderG722 :
if (sampfreq==16000) {
if (enc_frameSize%2==0) {
} else {
printf("\nError - g722 frames must have an even number of enc_frameSize\n");
exit(0);
}
WebRtcG722_CreateEncoder(&g722EncState[k]);
WebRtcG722_EncoderInit(g722EncState[k]);
} else {
printf("\nError - g722 is only developed for 16kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_AMR
case webrtc::kDecoderAMR :
if (sampfreq==8000) {
ok=WebRtcAmr_CreateEnc(&AMRenc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for AMR encoding instance\n");
exit(0);
}if ((enc_frameSize==160)||(enc_frameSize==320)||(enc_frameSize==480)) {
} else {
printf("\nError - AMR must have a multiple of 160 enc_frameSize\n");
exit(0);
}
WebRtcAmr_EncoderInit(AMRenc_inst[k], vad);
WebRtcAmr_EncodeBitmode(AMRenc_inst[k], AMRBandwidthEfficient);
AMR_bitrate = bitrate;
} else {
printf("\nError - AMR is only developed for 8kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_AMRWB
case webrtc::kDecoderAMRWB :
if (sampfreq==16000) {
ok=WebRtcAmrWb_CreateEnc(&AMRWBenc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for AMRWB encoding instance\n");
exit(0);
}
if (((enc_frameSize/320)<0)||((enc_frameSize/320)>3)||((enc_frameSize%320)!=0)) {
printf("\nError - AMRwb must have frameSize of 20, 40 or 60ms\n");
exit(0);
}
WebRtcAmrWb_EncoderInit(AMRWBenc_inst[k], vad);
if (bitrate==7000) {
AMRWB_bitrate = AMRWB_MODE_7k;
} else if (bitrate==9000) {
AMRWB_bitrate = AMRWB_MODE_9k;
} else if (bitrate==12000) {
AMRWB_bitrate = AMRWB_MODE_12k;
} else if (bitrate==14000) {
AMRWB_bitrate = AMRWB_MODE_14k;
} else if (bitrate==16000) {
AMRWB_bitrate = AMRWB_MODE_16k;
} else if (bitrate==18000) {
AMRWB_bitrate = AMRWB_MODE_18k;
} else if (bitrate==20000) {
AMRWB_bitrate = AMRWB_MODE_20k;
} else if (bitrate==23000) {
AMRWB_bitrate = AMRWB_MODE_23k;
} else if (bitrate==24000) {
AMRWB_bitrate = AMRWB_MODE_24k;
}
WebRtcAmrWb_EncodeBitmode(AMRWBenc_inst[k], AMRBandwidthEfficient);
} else {
printf("\nError - AMRwb is only developed for 16kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_ILBC
case webrtc::kDecoderILBC :
if (sampfreq==8000) {
ok=WebRtcIlbcfix_EncoderCreate(&iLBCenc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for iLBC encoding instance\n");
exit(0);
}
if ((enc_frameSize==160)||(enc_frameSize==240)||(enc_frameSize==320)||(enc_frameSize==480)) {
} else {
printf("\nError - iLBC only supports 160, 240, 320 and 480 enc_frameSize (20, 30, 40 and 60 ms)\n");
exit(0);
}
if ((enc_frameSize==160)||(enc_frameSize==320)) {
/* 20 ms version */
WebRtcIlbcfix_EncoderInit(iLBCenc_inst[k], 20);
} else {
/* 30 ms version */
WebRtcIlbcfix_EncoderInit(iLBCenc_inst[k], 30);
}
} else {
printf("\nError - iLBC is only developed for 8kHz \n");
exit(0);
}
break;
#endif
#ifdef CODEC_ISAC
case webrtc::kDecoderISAC:
if (sampfreq==16000) {
ok=WebRtcIsac_Create(&ISAC_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for iSAC instance\n");
exit(0);
}if ((enc_frameSize==480)||(enc_frameSize==960)) {
} else {
printf("\nError - iSAC only supports frameSize (30 and 60 ms)\n");
exit(0);
}
WebRtcIsac_EncoderInit(ISAC_inst[k],1);
if ((bitrate<10000)||(bitrate>32000)) {
printf("\nError - iSAC bitrate has to be between 10000 and 32000 bps (not %i)\n", bitrate);
exit(0);
}
WebRtcIsac_Control(ISAC_inst[k], bitrate, enc_frameSize>>4);
} else {
printf("\nError - iSAC only supports 480 or 960 enc_frameSize (30 or 60 ms)\n");
exit(0);
}
break;
#endif
#ifdef NETEQ_ISACFIX_CODEC
case webrtc::kDecoderISAC:
if (sampfreq==16000) {
ok=WebRtcIsacfix_Create(&ISAC_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for iSAC instance\n");
exit(0);
}if ((enc_frameSize==480)||(enc_frameSize==960)) {
} else {
printf("\nError - iSAC only supports frameSize (30 and 60 ms)\n");
exit(0);
}
WebRtcIsacfix_EncoderInit(ISAC_inst[k],1);
if ((bitrate<10000)||(bitrate>32000)) {
printf("\nError - iSAC bitrate has to be between 10000 and 32000 bps (not %i)\n", bitrate);
exit(0);
}
WebRtcIsacfix_Control(ISAC_inst[k], bitrate, enc_frameSize>>4);
} else {
printf("\nError - iSAC only supports 480 or 960 enc_frameSize (30 or 60 ms)\n");
exit(0);
}
break;
#endif
#ifdef CODEC_ISAC_SWB
case webrtc::kDecoderISACswb:
if (sampfreq==32000) {
ok=WebRtcIsac_Create(&ISACSWB_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for iSAC SWB instance\n");
exit(0);
}if (enc_frameSize==960) {
} else {
printf("\nError - iSAC SWB only supports frameSize 30 ms\n");
exit(0);
}
ok = WebRtcIsac_SetEncSampRate(ISACSWB_inst[k], 32000);
if (ok!=0) {
printf("Error: Couldn't set sample rate for iSAC SWB instance\n");
exit(0);
}
WebRtcIsac_EncoderInit(ISACSWB_inst[k],1);
if ((bitrate<32000)||(bitrate>56000)) {
printf("\nError - iSAC SWB bitrate has to be between 32000 and 56000 bps (not %i)\n", bitrate);
exit(0);
}
WebRtcIsac_Control(ISACSWB_inst[k], bitrate, enc_frameSize>>5);
} else {
printf("\nError - iSAC SWB only supports 960 enc_frameSize (30 ms)\n");
exit(0);
}
break;
#endif
#ifdef CODEC_GSMFR
case webrtc::kDecoderGSMFR:
if (sampfreq==8000) {
ok=WebRtcGSMFR_CreateEnc(&GSMFRenc_inst[k]);
if (ok!=0) {
printf("Error: Couldn't allocate memory for GSM FR encoding instance\n");
exit(0);
}
if ((enc_frameSize==160)||(enc_frameSize==320)||(enc_frameSize==480)) {
} else {
printf("\nError - GSM FR must have a multiple of 160 enc_frameSize\n");
exit(0);
}
WebRtcGSMFR_EncoderInit(GSMFRenc_inst[k], 0);
} else {
printf("\nError - GSM FR is only developed for 8kHz \n");
exit(0);
}
break;
#endif
default :
printf("Error: unknown codec in call to NetEQTest_init_coders.\n");
exit(0);
break;
}
if (ok != 0) {
return(ok);
}
} // end for
return(0);
}
int NetEQTest_free_coders(webrtc::NetEqDecoder coder, int numChannels) {
for (int k = 0; k < numChannels; k++)
{
WebRtcVad_Free(VAD_inst[k]);
#if (defined(CODEC_CNGCODEC8) || defined(CODEC_CNGCODEC16) || \
defined(CODEC_CNGCODEC32) || defined(CODEC_CNGCODEC48))
WebRtcCng_FreeEnc(CNGenc_inst[k]);
#endif
switch (coder)
{
#ifdef CODEC_PCM16B
case webrtc::kDecoderPCM16B :
#endif
#ifdef CODEC_PCM16B_WB
case webrtc::kDecoderPCM16Bwb :
#endif
#ifdef CODEC_PCM16B_32KHZ
case webrtc::kDecoderPCM16Bswb32kHz :
#endif
#ifdef CODEC_PCM16B_48KHZ
case webrtc::kDecoderPCM16Bswb48kHz :
#endif
#ifdef CODEC_G711
case webrtc::kDecoderPCMu :
case webrtc::kDecoderPCMa :
#endif
// do nothing
break;
#ifdef CODEC_G729
case webrtc::kDecoderG729:
WebRtcG729_FreeEnc(G729enc_inst[k]);
break;
#endif
#ifdef CODEC_G729_1
case webrtc::kDecoderG729_1:
WebRtcG7291_Free(G729_1_inst[k]);
break;
#endif
#ifdef CODEC_SPEEX_8
case webrtc::kDecoderSPEEX_8 :
WebRtcSpeex_FreeEnc(SPEEX8enc_inst[k]);
break;
#endif
#ifdef CODEC_SPEEX_16
case webrtc::kDecoderSPEEX_16 :
WebRtcSpeex_FreeEnc(SPEEX16enc_inst[k]);
break;
#endif
#ifdef CODEC_CELT_32
case webrtc::kDecoderCELT_32 :
WebRtcCelt_FreeEnc(CELT32enc_inst[k]);
break;
#endif
#ifdef CODEC_G722_1_16
case webrtc::kDecoderG722_1_16 :
WebRtcG7221_FreeEnc16(G722_1_16enc_inst[k]);
break;
#endif
#ifdef CODEC_G722_1_24
case webrtc::kDecoderG722_1_24 :
WebRtcG7221_FreeEnc24(G722_1_24enc_inst[k]);
break;
#endif
#ifdef CODEC_G722_1_32
case webrtc::kDecoderG722_1_32 :
WebRtcG7221_FreeEnc32(G722_1_32enc_inst[k]);
break;
#endif
#ifdef CODEC_G722_1C_24
case webrtc::kDecoderG722_1C_24 :
WebRtcG7221C_FreeEnc24(G722_1C_24enc_inst[k]);
break;
#endif
#ifdef CODEC_G722_1C_32
case webrtc::kDecoderG722_1C_32 :
WebRtcG7221C_FreeEnc32(G722_1C_32enc_inst[k]);
break;
#endif
#ifdef CODEC_G722_1C_48
case webrtc::kDecoderG722_1C_48 :
WebRtcG7221C_FreeEnc48(G722_1C_48enc_inst[k]);
break;
#endif
#ifdef CODEC_G722
case webrtc::kDecoderG722 :
WebRtcG722_FreeEncoder(g722EncState[k]);
break;
#endif
#ifdef CODEC_AMR
case webrtc::kDecoderAMR :
WebRtcAmr_FreeEnc(AMRenc_inst[k]);
break;
#endif
#ifdef CODEC_AMRWB
case webrtc::kDecoderAMRWB :
WebRtcAmrWb_FreeEnc(AMRWBenc_inst[k]);
break;
#endif
#ifdef CODEC_ILBC
case webrtc::kDecoderILBC :
WebRtcIlbcfix_EncoderFree(iLBCenc_inst[k]);
break;
#endif
#ifdef CODEC_ISAC
case webrtc::kDecoderISAC:
WebRtcIsac_Free(ISAC_inst[k]);
break;
#endif
#ifdef NETEQ_ISACFIX_CODEC
case webrtc::kDecoderISAC:
WebRtcIsacfix_Free(ISAC_inst[k]);
break;
#endif
#ifdef CODEC_ISAC_SWB
case webrtc::kDecoderISACswb:
WebRtcIsac_Free(ISACSWB_inst[k]);
break;
#endif
#ifdef CODEC_GSMFR
case webrtc::kDecoderGSMFR:
WebRtcGSMFR_FreeEnc(GSMFRenc_inst[k]);
break;
#endif
default :
printf("Error: unknown codec in call to NetEQTest_init_coders.\n");
exit(0);
break;
}
}
return(0);
}
int NetEQTest_encode(int coder, WebRtc_Word16 *indata, int frameLen, unsigned char * encoded,int sampleRate ,
int * vad, int useVAD, int bitrate, int numChannels){
short cdlen = 0;
WebRtc_Word16 *tempdata;
static int first_cng=1;
WebRtc_Word16 tempLen;
*vad =1;
// check VAD first
if(useVAD)
{
*vad = 0;
for (int k = 0; k < numChannels; k++)
{
tempLen = frameLen;
tempdata = &indata[k*frameLen];
int localVad=0;
/* Partition the signal and test each chunk for VAD.
All chunks must be VAD=0 to produce a total VAD=0. */
while (tempLen >= 10*sampleRate/1000) {
if ((tempLen % 30*sampleRate/1000) == 0) { // tempLen is multiple of 30ms
localVad |= WebRtcVad_Process(VAD_inst[k] ,sampleRate, tempdata, 30*sampleRate/1000);
tempdata += 30*sampleRate/1000;
tempLen -= 30*sampleRate/1000;
}
else if (tempLen >= 20*sampleRate/1000) { // tempLen >= 20ms
localVad |= WebRtcVad_Process(VAD_inst[k] ,sampleRate, tempdata, 20*sampleRate/1000);
tempdata += 20*sampleRate/1000;
tempLen -= 20*sampleRate/1000;
}
else { // use 10ms
localVad |= WebRtcVad_Process(VAD_inst[k] ,sampleRate, tempdata, 10*sampleRate/1000);
tempdata += 10*sampleRate/1000;
tempLen -= 10*sampleRate/1000;
}
}
// aggregate all VAD decisions over all channels
*vad |= localVad;
}
if(!*vad){
// all channels are silent
cdlen = 0;
for (int k = 0; k < numChannels; k++)
{
WebRtcCng_Encode(CNGenc_inst[k],&indata[k*frameLen], (frameLen <= 640 ? frameLen : 640) /* max 640 */,
encoded,&tempLen,first_cng);
encoded += tempLen;
cdlen += tempLen;
}
*vad=0;
first_cng=0;
return(cdlen);
}
}
// loop over all channels
int totalLen = 0;
for (int k = 0; k < numChannels; k++)
{
/* Encode with the selected coder type */
if (coder==webrtc::kDecoderPCMu) { /*g711 u-law */
#ifdef CODEC_G711
cdlen = WebRtcG711_EncodeU(G711state[k], indata, frameLen, (WebRtc_Word16*) encoded);
#endif
}
else if (coder==webrtc::kDecoderPCMa) { /*g711 A-law */
#ifdef CODEC_G711
cdlen = WebRtcG711_EncodeA(G711state[k], indata, frameLen, (WebRtc_Word16*) encoded);
}
#endif
#ifdef CODEC_PCM16B
else if ((coder==webrtc::kDecoderPCM16B)||(coder==webrtc::kDecoderPCM16Bwb)||
(coder==webrtc::kDecoderPCM16Bswb32kHz)||(coder==webrtc::kDecoderPCM16Bswb48kHz)) { /*pcm16b (8kHz, 16kHz, 32kHz or 48kHz) */
cdlen = WebRtcPcm16b_EncodeW16(indata, frameLen, (WebRtc_Word16*) encoded);
}
#endif
#ifdef CODEC_G722
else if (coder==webrtc::kDecoderG722) { /*g722 */
cdlen=WebRtcG722_Encode(g722EncState[k], indata, frameLen, (WebRtc_Word16*)encoded);
cdlen=frameLen>>1;
}
#endif
#ifdef CODEC_ILBC
else if (coder==webrtc::kDecoderILBC) { /*iLBC */
cdlen=WebRtcIlbcfix_Encode(iLBCenc_inst[k], indata,frameLen,(WebRtc_Word16*)encoded);
}
#endif
#if (defined(CODEC_ISAC) || defined(NETEQ_ISACFIX_CODEC)) // TODO(hlundin): remove all NETEQ_ISACFIX_CODEC
else if (coder==webrtc::kDecoderISAC) { /*iSAC */
int noOfCalls=0;
cdlen=0;
while (cdlen<=0) {
#ifdef CODEC_ISAC /* floating point */
cdlen=WebRtcIsac_Encode(ISAC_inst[k],&indata[noOfCalls*160],(WebRtc_Word16*)encoded);
#else /* fixed point */
cdlen=WebRtcIsacfix_Encode(ISAC_inst[k],&indata[noOfCalls*160],(WebRtc_Word16*)encoded);
#endif
noOfCalls++;
}
}
#endif
#ifdef CODEC_ISAC_SWB
else if (coder==webrtc::kDecoderISACswb) { /* iSAC SWB */
int noOfCalls=0;
cdlen=0;
while (cdlen<=0) {
cdlen=WebRtcIsac_Encode(ISACSWB_inst[k],&indata[noOfCalls*320],(WebRtc_Word16*)encoded);
noOfCalls++;
}
}
#endif
#ifdef CODEC_CELT_32
else if (coder==webrtc::kDecoderCELT_32) { /* Celt */
int encodedLen = 0;
cdlen = 0;
while (cdlen <= 0) {
cdlen = WebRtcCelt_Encode(CELT32enc_inst[k], &indata[encodedLen], encoded);
encodedLen += 10*32; /* 10 ms */
}
if( (encodedLen != frameLen) || cdlen < 0) {
printf("Error encoding Celt frame!\n");
exit(0);
}
}
#endif
indata += frameLen;
encoded += cdlen;
totalLen += cdlen;
} // end for
first_cng=1;
return(totalLen);
}
void makeRTPheader(unsigned char* rtp_data, int payloadType, int seqNo, WebRtc_UWord32 timestamp, WebRtc_UWord32 ssrc){
rtp_data[0]=(unsigned char)0x80;
rtp_data[1]=(unsigned char)(payloadType & 0xFF);
rtp_data[2]=(unsigned char)((seqNo>>8)&0xFF);
rtp_data[3]=(unsigned char)((seqNo)&0xFF);
rtp_data[4]=(unsigned char)((timestamp>>24)&0xFF);
rtp_data[5]=(unsigned char)((timestamp>>16)&0xFF);
rtp_data[6]=(unsigned char)((timestamp>>8)&0xFF);
rtp_data[7]=(unsigned char)(timestamp & 0xFF);
rtp_data[8]=(unsigned char)((ssrc>>24)&0xFF);
rtp_data[9]=(unsigned char)((ssrc>>16)&0xFF);
rtp_data[10]=(unsigned char)((ssrc>>8)&0xFF);
rtp_data[11]=(unsigned char)(ssrc & 0xFF);
}
int makeRedundantHeader(unsigned char* rtp_data, int *payloadType, int numPayloads, WebRtc_UWord32 *timestamp, WebRtc_UWord16 *blockLen,
int seqNo, WebRtc_UWord32 ssrc)
{
int i;
unsigned char *rtpPointer;
WebRtc_UWord16 offset;
/* first create "standard" RTP header */
makeRTPheader(rtp_data, NETEQ_CODEC_RED_PT, seqNo, timestamp[numPayloads-1], ssrc);
rtpPointer = &rtp_data[12];
/* add one sub-header for each redundant payload (not the primary) */
for(i=0; i<numPayloads-1; i++) { /* |0 1 2 3 4 5 6 7| */
if(blockLen[i] > 0) {
offset = (WebRtc_UWord16) (timestamp[numPayloads-1] - timestamp[i]);
rtpPointer[0] = (unsigned char) ( 0x80 | (0x7F & payloadType[i]) ); /* |F| block PT | */
rtpPointer[1] = (unsigned char) ((offset >> 6) & 0xFF); /* | timestamp- | */
rtpPointer[2] = (unsigned char) ( ((offset & 0x3F)<<2) |
( (blockLen[i]>>8) & 0x03 ) ); /* | -offset |bl-| */
rtpPointer[3] = (unsigned char) ( blockLen[i] & 0xFF ); /* | -ock length | */
rtpPointer += 4;
}
}
/* last sub-header */
rtpPointer[0]= (unsigned char) (0x00 | (0x7F&payloadType[numPayloads-1]));/* |F| block PT | */
rtpPointer += 1;
return(rtpPointer - rtp_data); /* length of header in bytes */
}
int makeDTMFpayload(unsigned char* payload_data, int Event, int End, int Volume, int Duration) {
unsigned char E,R,V;
R=0;
V=(unsigned char)Volume;
if (End==0) {
E = 0x00;
} else {
E = 0x80;
}
payload_data[0]=(unsigned char)Event;
payload_data[1]=(unsigned char)(E|R|V);
//Duration equals 8 times time_ms, default is 8000 Hz.
payload_data[2]=(unsigned char)((Duration>>8)&0xFF);
payload_data[3]=(unsigned char)(Duration&0xFF);
return(4);
}
void stereoDeInterleave(WebRtc_Word16* audioSamples, int numSamples)
{
WebRtc_Word16 *tempVec;
WebRtc_Word16 *readPtr, *writeL, *writeR;
if (numSamples <= 0)
return;
tempVec = (WebRtc_Word16 *) malloc(sizeof(WebRtc_Word16) * numSamples);
if (tempVec == NULL) {
printf("Error allocating memory\n");
exit(0);
}
memcpy(tempVec, audioSamples, numSamples*sizeof(WebRtc_Word16));
writeL = audioSamples;
writeR = &audioSamples[numSamples/2];
readPtr = tempVec;
for (int k = 0; k < numSamples; k += 2)
{
*writeL = *readPtr;
readPtr++;
*writeR = *readPtr;
readPtr++;
writeL++;
writeR++;
}
free(tempVec);
}
void stereoInterleave(unsigned char* data, int dataLen, int stride)
{
unsigned char *ptrL, *ptrR;
unsigned char temp[10];
if (stride > 10)
{
exit(0);
}
if (dataLen%1 != 0)
{
// must be even number of samples
printf("Error: cannot interleave odd sample number\n");
exit(0);
}
ptrL = data + stride;
ptrR = &data[dataLen/2];
while (ptrL < ptrR) {
// copy from right pointer to temp
memcpy(temp, ptrR, stride);
// shift data between pointers
memmove(ptrL + stride, ptrL, ptrR - ptrL);
// copy from temp to left pointer
memcpy(ptrL, temp, stride);
// advance pointers
ptrL += stride*2;
ptrR += stride;
}
}
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