aboutsummaryrefslogtreecommitdiff
path: root/webrtc/modules/audio_coding/neteq/test/RTPencode.cc
diff options
context:
space:
mode:
Diffstat (limited to 'webrtc/modules/audio_coding/neteq/test/RTPencode.cc')
-rw-r--r--webrtc/modules/audio_coding/neteq/test/RTPencode.cc1846
1 files changed, 1846 insertions, 0 deletions
diff --git a/webrtc/modules/audio_coding/neteq/test/RTPencode.cc b/webrtc/modules/audio_coding/neteq/test/RTPencode.cc
new file mode 100644
index 0000000000..cbb7436152
--- /dev/null
+++ b/webrtc/modules/audio_coding/neteq/test/RTPencode.cc
@@ -0,0 +1,1846 @@
+/*
+ * 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 <assert.h>
+
+#include <algorithm>
+
+#include "webrtc/typedefs.h"
+// needed for NetEqDecoder
+#include "webrtc/modules/audio_coding/neteq/audio_decoder_impl.h"
+#include "webrtc/modules/audio_coding/neteq/include/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,
+ size_t frameLen,
+ int* fs,
+ int* bitrate,
+ int* useRed);
+int NetEQTest_init_coders(webrtc::NetEqDecoder coder,
+ size_t enc_frameSize,
+ int bitrate,
+ int sampfreq,
+ int vad,
+ size_t numChannels);
+void defineCodecs(webrtc::NetEqDecoder* usedCodec, int* noOfCodecs);
+int NetEQTest_free_coders(webrtc::NetEqDecoder coder, size_t numChannels);
+size_t NetEQTest_encode(webrtc::NetEqDecoder coder,
+ int16_t* indata,
+ size_t frameLen,
+ unsigned char* encoded,
+ int sampleRate,
+ int* vad,
+ int useVAD,
+ int bitrate,
+ size_t 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);
+size_t makeDTMFpayload(unsigned char* payload_data,
+ int Event,
+ int End,
+ int Volume,
+ int Duration);
+void stereoDeInterleave(int16_t* audioSamples, size_t numSamples);
+void stereoInterleave(unsigned char* data, size_t dataLen, size_t 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.
+#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
+
+/***********************************/
+/* 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
+IlbcEncoderInstance* 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
+
+int main(int argc, char* argv[]) {
+ size_t packet_size;
+ int fs;
+ webrtc::NetEqDecoder usedCodec;
+ int payloadType;
+ int bitrate = 0;
+ int useVAD, vad;
+ int useRed = 0;
+ size_t 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};
+ size_t RTPheaderLen = 12;
+ uint8_t red_data[8000];
+#ifdef INSERT_OLD_PACKETS
+ uint16_t old_length, old_plen;
+ size_t old_enc_len;
+ int first_old_packet = 1;
+ unsigned char old_rtp_data[8000];
+ size_t packet_age = 0;
+#endif
+#ifdef INSERT_DTMF_PACKETS
+ int NTone = 1;
+ int DTMFfirst = 1;
+ uint32_t DTMFtimestamp;
+ bool dtmfSent = false;
+#endif
+ bool usingStereo = false;
+ size_t stereoMode = 0;
+ size_t 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 "
+ "version)\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_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]);
+ int packet_size_int = atoi(argv[3]);
+ if (packet_size_int <= 0) {
+ printf("Packet size %d must be positive", packet_size_int);
+ return -1;
+ }
+ printf("Packet size: %d\n", packet_size_int);
+ packet_size = static_cast<size_t>(packet_size_int);
+
+ // 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::NetEqDecoder::kDecoderPCMu:
+ case webrtc::NetEqDecoder::kDecoderPCMa:
+ case webrtc::NetEqDecoder::kDecoderG722: {
+ // 1 octet per sample
+ stereoMode = STEREO_MODE_SAMPLE_1;
+ break;
+ }
+ case webrtc::NetEqDecoder::kDecoderPCM16B:
+ case webrtc::NetEqDecoder::kDecoderPCM16Bwb:
+ case webrtc::NetEqDecoder::kDecoderPCM16Bswb32kHz:
+ case webrtc::NetEqDecoder::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::NetEqDecoder::kDecoderISAC) ||
+ (usedCodec == webrtc::NetEqDecoder::kDecoderISACswb)) {
+ if (argc != 7) {
+ if (usedCodec == webrtc::NetEqDecoder::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::NetEqDecoder::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", static_cast<int>(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(static_cast<unsigned short>(12 + enc_len + 8));
+ plen = htons(static_cast<unsigned short>(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 (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] = static_cast<uint16_t>(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] = static_cast<uint16_t>(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(static_cast<unsigned short>(12 + enc_len + 8));
+ plen = htons(static_cast<unsigned short>(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 (size_t k = 0; k < 12 + enc_len; k++) {
+ rtp_data[k] = rand() + rand();
+ }
+#endif
+#ifdef RANDOM_PAYLOAD_DATA
+ for (size_t 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::NetEqDecoder::kDecoderISAC) {
+ assert(!usingStereo); // Cannot handle stereo yet
+ red_len[0] = WebRtcIsac_GetRedPayload(ISAC_inst[0], 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,
+ size_t frameLen,
+ int* fs,
+ int* bitrate,
+ int* useRed) {
+ *bitrate = 0; /* Default bitrate setting */
+ *useRed = 0; /* Default no redundancy */
+
+ if (!strcmp(name, "pcmu")) {
+ *codec = webrtc::NetEqDecoder::kDecoderPCMu;
+ *PT = NETEQ_CODEC_PCMU_PT;
+ *fs = 8000;
+ } else if (!strcmp(name, "pcma")) {
+ *codec = webrtc::NetEqDecoder::kDecoderPCMa;
+ *PT = NETEQ_CODEC_PCMA_PT;
+ *fs = 8000;
+ } else if (!strcmp(name, "pcm16b")) {
+ *codec = webrtc::NetEqDecoder::kDecoderPCM16B;
+ *PT = NETEQ_CODEC_PCM16B_PT;
+ *fs = 8000;
+ } else if (!strcmp(name, "pcm16b_wb")) {
+ *codec = webrtc::NetEqDecoder::kDecoderPCM16Bwb;
+ *PT = NETEQ_CODEC_PCM16B_WB_PT;
+ *fs = 16000;
+ } else if (!strcmp(name, "pcm16b_swb32")) {
+ *codec = webrtc::NetEqDecoder::kDecoderPCM16Bswb32kHz;
+ *PT = NETEQ_CODEC_PCM16B_SWB32KHZ_PT;
+ *fs = 32000;
+ } else if (!strcmp(name, "pcm16b_swb48")) {
+ *codec = webrtc::NetEqDecoder::kDecoderPCM16Bswb48kHz;
+ *PT = NETEQ_CODEC_PCM16B_SWB48KHZ_PT;
+ *fs = 48000;
+ } else if (!strcmp(name, "g722")) {
+ *codec = webrtc::NetEqDecoder::kDecoderG722;
+ *PT = NETEQ_CODEC_G722_PT;
+ *fs = 16000;
+ } else if ((!strcmp(name, "ilbc")) &&
+ ((frameLen % 240 == 0) || (frameLen % 160 == 0))) {
+ *fs = 8000;
+ *codec = webrtc::NetEqDecoder::kDecoderILBC;
+ *PT = NETEQ_CODEC_ILBC_PT;
+ } else if (!strcmp(name, "isac")) {
+ *fs = 16000;
+ *codec = webrtc::NetEqDecoder::kDecoderISAC;
+ *PT = NETEQ_CODEC_ISAC_PT;
+ } else if (!strcmp(name, "isacswb")) {
+ *fs = 32000;
+ *codec = webrtc::NetEqDecoder::kDecoderISACswb;
+ *PT = NETEQ_CODEC_ISACSWB_PT;
+ } else if (!strcmp(name, "red_pcm")) {
+ *codec = webrtc::NetEqDecoder::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::NetEqDecoder::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,
+ size_t enc_frameSize,
+ int bitrate,
+ int sampfreq,
+ int vad,
+ size_t numChannels) {
+ int ok = 0;
+
+ for (size_t k = 0; k < numChannels; k++) {
+ VAD_inst[k] = WebRtcVad_Create();
+ if (!VAD_inst[k]) {
+ 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::NetEqDecoder::kDecoderPCM16B:
+#endif
+#ifdef CODEC_PCM16B_WB
+ case webrtc::NetEqDecoder::kDecoderPCM16Bwb:
+#endif
+#ifdef CODEC_PCM16B_32KHZ
+ case webrtc::NetEqDecoder::kDecoderPCM16Bswb32kHz:
+#endif
+#ifdef CODEC_PCM16B_48KHZ
+ case webrtc::NetEqDecoder::kDecoderPCM16Bswb48kHz:
+#endif
+#ifdef CODEC_G711
+ case webrtc::NetEqDecoder::kDecoderPCMu:
+ case webrtc::NetEqDecoder::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 %" PRIuS "ms)\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 %" PRIuS "ms)\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 %" PRIuS "ms)\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_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::NetEqDecoder::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) > 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::NetEqDecoder::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::NetEqDecoder::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,
+ static_cast<int>(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::NetEqDecoder::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,
+ static_cast<int>(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, size_t numChannels) {
+ for (size_t 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::NetEqDecoder::kDecoderPCM16B:
+#endif
+#ifdef CODEC_PCM16B_WB
+ case webrtc::NetEqDecoder::kDecoderPCM16Bwb:
+#endif
+#ifdef CODEC_PCM16B_32KHZ
+ case webrtc::NetEqDecoder::kDecoderPCM16Bswb32kHz:
+#endif
+#ifdef CODEC_PCM16B_48KHZ
+ case webrtc::NetEqDecoder::kDecoderPCM16Bswb48kHz:
+#endif
+#ifdef CODEC_G711
+ case webrtc::NetEqDecoder::kDecoderPCMu:
+ case webrtc::NetEqDecoder::kDecoderPCMa:
+#endif
+ // do nothing
+ break;
+#ifdef CODEC_G729
+ case webrtc::NetEqDecoder::kDecoderG729:
+ WebRtcG729_FreeEnc(G729enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_G729_1
+ case webrtc::NetEqDecoder::kDecoderG729_1:
+ WebRtcG7291_Free(G729_1_inst[k]);
+ break;
+#endif
+#ifdef CODEC_SPEEX_8
+ case webrtc::NetEqDecoder::kDecoderSPEEX_8:
+ WebRtcSpeex_FreeEnc(SPEEX8enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_SPEEX_16
+ case webrtc::NetEqDecoder::kDecoderSPEEX_16:
+ WebRtcSpeex_FreeEnc(SPEEX16enc_inst[k]);
+ break;
+#endif
+
+#ifdef CODEC_G722_1_16
+ case webrtc::NetEqDecoder::kDecoderG722_1_16:
+ WebRtcG7221_FreeEnc16(G722_1_16enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_G722_1_24
+ case webrtc::NetEqDecoder::kDecoderG722_1_24:
+ WebRtcG7221_FreeEnc24(G722_1_24enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_G722_1_32
+ case webrtc::NetEqDecoder::kDecoderG722_1_32:
+ WebRtcG7221_FreeEnc32(G722_1_32enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_G722_1C_24
+ case webrtc::NetEqDecoder::kDecoderG722_1C_24:
+ WebRtcG7221C_FreeEnc24(G722_1C_24enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_G722_1C_32
+ case webrtc::NetEqDecoder::kDecoderG722_1C_32:
+ WebRtcG7221C_FreeEnc32(G722_1C_32enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_G722_1C_48
+ case webrtc::NetEqDecoder::kDecoderG722_1C_48:
+ WebRtcG7221C_FreeEnc48(G722_1C_48enc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_G722
+ case webrtc::NetEqDecoder::kDecoderG722:
+ WebRtcG722_FreeEncoder(g722EncState[k]);
+ break;
+#endif
+#ifdef CODEC_AMR
+ case webrtc::NetEqDecoder::kDecoderAMR:
+ WebRtcAmr_FreeEnc(AMRenc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_AMRWB
+ case webrtc::NetEqDecoder::kDecoderAMRWB:
+ WebRtcAmrWb_FreeEnc(AMRWBenc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_ILBC
+ case webrtc::NetEqDecoder::kDecoderILBC:
+ WebRtcIlbcfix_EncoderFree(iLBCenc_inst[k]);
+ break;
+#endif
+#ifdef CODEC_ISAC
+ case webrtc::NetEqDecoder::kDecoderISAC:
+ WebRtcIsac_Free(ISAC_inst[k]);
+ break;
+#endif
+#ifdef NETEQ_ISACFIX_CODEC
+ case webrtc::NetEqDecoder::kDecoderISAC:
+ WebRtcIsacfix_Free(ISAC_inst[k]);
+ break;
+#endif
+#ifdef CODEC_ISAC_SWB
+ case webrtc::NetEqDecoder::kDecoderISACswb:
+ WebRtcIsac_Free(ISACSWB_inst[k]);
+ break;
+#endif
+#ifdef CODEC_GSMFR
+ case webrtc::NetEqDecoder::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);
+}
+
+size_t NetEQTest_encode(webrtc::NetEqDecoder coder,
+ int16_t* indata,
+ size_t frameLen,
+ unsigned char* encoded,
+ int sampleRate,
+ int* vad,
+ int useVAD,
+ int bitrate,
+ size_t numChannels) {
+ size_t cdlen = 0;
+ int16_t* tempdata;
+ static int first_cng = 1;
+ size_t tempLen;
+ *vad = 1;
+
+ // check VAD first
+ if (useVAD) {
+ *vad = 0;
+
+ size_t sampleRate_10 = static_cast<size_t>(10 * sampleRate / 1000);
+ size_t sampleRate_20 = static_cast<size_t>(20 * sampleRate / 1000);
+ size_t sampleRate_30 = static_cast<size_t>(30 * sampleRate / 1000);
+ for (size_t 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 >= sampleRate_10) {
+ if ((tempLen % sampleRate_30) == 0) { // tempLen is multiple of 30ms
+ localVad |= WebRtcVad_Process(VAD_inst[k], sampleRate, tempdata,
+ sampleRate_30);
+ tempdata += sampleRate_30;
+ tempLen -= sampleRate_30;
+ } else if (tempLen >= sampleRate_20) { // tempLen >= 20ms
+ localVad |= WebRtcVad_Process(VAD_inst[k], sampleRate, tempdata,
+ sampleRate_20);
+ tempdata += sampleRate_20;
+ tempLen -= sampleRate_20;
+ } else { // use 10ms
+ localVad |= WebRtcVad_Process(VAD_inst[k], sampleRate, tempdata,
+ sampleRate_10);
+ tempdata += sampleRate_10;
+ tempLen -= sampleRate_10;
+ }
+ }
+
+ // aggregate all VAD decisions over all channels
+ *vad |= localVad;
+ }
+
+ if (!*vad) {
+ // all channels are silent
+ cdlen = 0;
+ for (size_t 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
+ size_t totalLen = 0;
+
+ for (size_t k = 0; k < numChannels; k++) {
+ /* Encode with the selected coder type */
+ if (coder == webrtc::NetEqDecoder::kDecoderPCMu) { /*g711 u-law */
+#ifdef CODEC_G711
+ cdlen = WebRtcG711_EncodeU(indata, frameLen, encoded);
+#endif
+ } else if (coder == webrtc::NetEqDecoder::kDecoderPCMa) { /*g711 A-law */
+#ifdef CODEC_G711
+ cdlen = WebRtcG711_EncodeA(indata, frameLen, encoded);
+ }
+#endif
+#ifdef CODEC_PCM16B
+ else if ((coder == webrtc::NetEqDecoder::kDecoderPCM16B) ||
+ (coder == webrtc::NetEqDecoder::kDecoderPCM16Bwb) ||
+ (coder == webrtc::NetEqDecoder::kDecoderPCM16Bswb32kHz) ||
+ (coder == webrtc::NetEqDecoder::
+ kDecoderPCM16Bswb48kHz)) { /*pcm16b (8kHz, 16kHz,
+ 32kHz or 48kHz) */
+ cdlen = WebRtcPcm16b_Encode(indata, frameLen, encoded);
+ }
+#endif
+#ifdef CODEC_G722
+ else if (coder == webrtc::NetEqDecoder::kDecoderG722) { /*g722 */
+ cdlen = WebRtcG722_Encode(g722EncState[k], indata, frameLen, encoded);
+ assert(cdlen == frameLen >> 1);
+ }
+#endif
+#ifdef CODEC_ILBC
+ else if (coder == webrtc::NetEqDecoder::kDecoderILBC) { /*iLBC */
+ cdlen = static_cast<size_t>(std::max(
+ WebRtcIlbcfix_Encode(iLBCenc_inst[k], indata, frameLen, encoded), 0));
+ }
+#endif
+#if (defined(CODEC_ISAC) || \
+ defined(NETEQ_ISACFIX_CODEC)) // TODO(hlundin): remove all
+ // NETEQ_ISACFIX_CODEC
+ else if (coder == webrtc::NetEqDecoder::kDecoderISAC) { /*iSAC */
+ int noOfCalls = 0;
+ int res = 0;
+ while (res <= 0) {
+#ifdef CODEC_ISAC /* floating point */
+ res =
+ WebRtcIsac_Encode(ISAC_inst[k], &indata[noOfCalls * 160], encoded);
+#else /* fixed point */
+ res = WebRtcIsacfix_Encode(ISAC_inst[k], &indata[noOfCalls * 160],
+ encoded);
+#endif
+ noOfCalls++;
+ }
+ cdlen = static_cast<size_t>(res);
+ }
+#endif
+#ifdef CODEC_ISAC_SWB
+ else if (coder == webrtc::NetEqDecoder::kDecoderISACswb) { /* iSAC SWB */
+ int noOfCalls = 0;
+ int res = 0;
+ while (res <= 0) {
+ res = WebRtcIsac_Encode(ISACSWB_inst[k], &indata[noOfCalls * 320],
+ encoded);
+ noOfCalls++;
+ }
+ cdlen = static_cast<size_t>(res);
+ }
+#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] = 0x80;
+ rtp_data[1] = payloadType & 0xFF;
+ rtp_data[2] = (seqNo >> 8) & 0xFF;
+ rtp_data[3] = seqNo & 0xFF;
+ rtp_data[4] = timestamp >> 24;
+ rtp_data[5] = (timestamp >> 16) & 0xFF;
+ rtp_data[6] = (timestamp >> 8) & 0xFF;
+ rtp_data[7] = timestamp & 0xFF;
+ rtp_data[8] = ssrc >> 24;
+ rtp_data[9] = (ssrc >> 16) & 0xFF;
+ rtp_data[10] = (ssrc >> 8) & 0xFF;
+ rtp_data[11] = 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++) {
+ if (blockLen[i] > 0) {
+ offset = static_cast<uint16_t>(timestamp[numPayloads - 1] - timestamp[i]);
+
+ // Byte |0| |1 2 | 3 |
+ // Bit |0|1234567|01234567012345|6701234567|
+ // |F|payload| timestamp | block |
+ // | | type | offset | length |
+ rtpPointer[0] = (payloadType[i] & 0x7F) | 0x80;
+ rtpPointer[1] = (offset >> 6) & 0xFF;
+ rtpPointer[2] = ((offset & 0x3F) << 2) | ((blockLen[i] >> 8) & 0x03);
+ rtpPointer[3] = blockLen[i] & 0xFF;
+
+ rtpPointer += 4;
+ }
+ }
+
+ // Bit |0|1234567|
+ // |0|payload|
+ // | | type |
+ rtpPointer[0] = payloadType[numPayloads - 1] & 0x7F;
+ ++rtpPointer;
+
+ return rtpPointer - rtp_data; // length of header in bytes
+}
+
+size_t 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, size_t 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 (size_t k = 0; k < numSamples; k += 2) {
+ *writeL = *readPtr;
+ readPtr++;
+ *writeR = *readPtr;
+ readPtr++;
+ writeL++;
+ writeR++;
+ }
+
+ free(tempVec);
+}
+
+void stereoInterleave(unsigned char* data, size_t dataLen, size_t 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;
+ }
+}