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webrtc / src / webrtc / ee6f8a27fd52a1843cd0d4df570b91b8fd542b82 / . / modules / audio_coding / neteq4 / test / RTPencode.cc
blob: 2c38556488426b6f856a782d234a94dccd970976 [file] [log] [blame]
/*
* 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, int16_t *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, uint32_t timestamp, uint32_t ssrc);
int makeRedundantHeader(unsigned char* rtp_data, int *payloadType, int numPayloads, uint32_t *timestamp, uint16_t *blockLen,
int seqNo, uint32_t ssrc);
int makeDTMFpayload(unsigned char* payload_data, int Event, int End, int Volume, int Duration);
void stereoDeInterleave(int16_t* 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];
int16_t AMR_bitrate;
#endif
#ifdef CODEC_AMRWB
AMRWB_encinst_t *AMRWBenc_inst[2];
int16_t 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;
int16_t org_data[4000];
unsigned char rtp_data[8000];
int16_t seqNo=0xFFF;
uint32_t ssrc=1235412312;
uint32_t timestamp=0xAC1245;
uint16_t length, plen;
uint32_t offset;
double sendtime = 0;
int red_PT[2] = {0};
uint32_t red_TS[2] = {0};
uint16_t red_len[2] = {0};
int RTPheaderLen=12;
unsigned char red_data[8000];
#ifdef INSERT_OLD_PACKETS
uint16_t 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;
uint32_t 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
uint32_t 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 = (uint32_t) 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 = (uint32_t) 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], (int16_t*)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, int16_t *indata, int frameLen, unsigned char * encoded,int sampleRate ,
int * vad, int useVAD, int bitrate, int numChannels){
short cdlen = 0;
int16_t *tempdata;
static int first_cng=1;
int16_t 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, (int16_t*) encoded);
#endif
}
else if (coder==webrtc::kDecoderPCMa) { /*g711 A-law */
#ifdef CODEC_G711
cdlen = WebRtcG711_EncodeA(G711state[k], indata, frameLen, (int16_t*) 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, (int16_t*) encoded);
}
#endif
#ifdef CODEC_G722
else if (coder==webrtc::kDecoderG722) { /*g722 */
cdlen=WebRtcG722_Encode(g722EncState[k], indata, frameLen, (int16_t*)encoded);
cdlen=frameLen>>1;
}
#endif
#ifdef CODEC_ILBC
else if (coder==webrtc::kDecoderILBC) { /*iLBC */
cdlen=WebRtcIlbcfix_Encode(iLBCenc_inst[k], indata,frameLen,(int16_t*)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],(int16_t*)encoded);
#else /* fixed point */
cdlen=WebRtcIsacfix_Encode(ISAC_inst[k],&indata[noOfCalls*160],(int16_t*)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],(int16_t*)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, uint32_t timestamp, uint32_t 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, uint32_t *timestamp, uint16_t *blockLen,
int seqNo, uint32_t ssrc)
{
int i;
unsigned char *rtpPointer;
uint16_t 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 = (uint16_t) (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(int16_t* audioSamples, int numSamples)
{
int16_t *tempVec;
int16_t *readPtr, *writeL, *writeR;
if (numSamples <= 0)
return;
tempVec = (int16_t *) malloc(sizeof(int16_t) * numSamples);
if (tempVec == NULL) {
printf("Error allocating memory\n");
exit(0);
}
memcpy(tempVec, audioSamples, numSamples*sizeof(int16_t));
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;
}
}