Add even more of the source
This should be about everything needed to build so far?
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218
QTFileTools/QTRTPGen.tproj/QTRTPGen.cpp
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QTFileTools/QTRTPGen.tproj/QTRTPGen.cpp
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "SafeStdLib.h"
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#include <string.h>
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#include <time.h>
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#include <fcntl.h>
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#ifndef __MacOSX__
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#include "getopt.h"
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#include <unistd.h>
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#endif
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#include "QTFile.h"
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#include "QTTrack.h"
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#include "QTHintTrack.h"
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int main(int argc, char *argv[]) {
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// Temporary vars
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int ch;
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UInt16 tempInt16;
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UInt32 tempInt32;
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Float32 tempFloat32;
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Float64 tempFloat64;
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// General vars
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int fd;
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const char *MovieFilename;
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int TrackNumber;
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QTTrack *Track;
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QTHintTrack *HintTrack;
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bool Debug = false, DeepDebug = false;
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UInt16 NumPackets;
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extern int optind;
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//
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// Read our command line options
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while( (ch = getopt(argc, argv, "dD")) != -1 ) {
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switch( ch ) {
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case 'd':
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Debug = true;
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break;
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case 'D':
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Debug = true;
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DeepDebug = true;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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//
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// Validate our arguments.
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if( argc != 2 ) {
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qtss_printf("usage: QTRTPGen [-d] [-D] <filename> <track number>\n");
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exit(1);
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}
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MovieFilename = *argv++;
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TrackNumber = atoi(*argv++);
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//
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// Open the movie.
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QTFile file(Debug, DeepDebug);
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file.Open(MovieFilename);
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//
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// Find the specified track and dump out information about its' samples.
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if( !file.FindTrack(TrackNumber, &Track) ) {
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qtss_printf("Error! Could not find track number %d in file \"%s\"!",
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TrackNumber, MovieFilename);
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exit(1);
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}
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//
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// Make sure that this is a hint track.
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if( !file.IsHintTrack(Track) ) {
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qtss_printf("Error! Track number %d is not a hint track!\n", TrackNumber);
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exit(1);
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}
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HintTrack = (QTHintTrack *)Track;
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//
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// Initialize this track.
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HintTrack->Initialize();
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//
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// Dump some information about this track.
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{
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time_t unixCreationTime = (time_t)HintTrack->GetCreationTime() + (time_t)QT_TIME_TO_LOCAL_TIME;
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time_t unixModificationTime = (time_t)HintTrack->GetModificationTime() + (time_t)QT_TIME_TO_LOCAL_TIME;
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char buffer[kTimeStrSize];
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struct tm timeResult;
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qtss_printf("-- Track #%02"_S32BITARG_" ---------------------------\n", HintTrack->GetTrackID());
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qtss_printf(" Name : %s\n", HintTrack->GetTrackName());
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qtss_printf(" Created on : %s", qtss_asctime(qtss_gmtime(&unixCreationTime, &timeResult),buffer, sizeof(buffer)));
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qtss_printf(" Modified on : %s", qtss_asctime(qtss_gmtime(&unixModificationTime, &timeResult),buffer, sizeof(buffer)));
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qtss_printf(" Total RTP bytes : %"_64BITARG_"u\n", HintTrack->GetTotalRTPBytes());
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qtss_printf(" Total RTP packets : %"_64BITARG_"u\n", HintTrack->GetTotalRTPPackets());
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qtss_printf(" Average bitrate : %.2f Kbps\n",(float) ((HintTrack->GetTotalRTPBytes() << 3) / file.GetDurationInSeconds()) / 1024);
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qtss_printf(" Average packet size: %"_64BITARG_"u\n", HintTrack->GetTotalRTPBytes() / HintTrack->GetTotalRTPPackets());
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UInt32 UDPIPHeaderSize = (56 * HintTrack->GetTotalRTPPackets());
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UInt32 RTPUDPIPHeaderSize = ((56+12) * HintTrack->GetTotalRTPPackets());
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qtss_printf(" Percentage of stream wasted on UDP/IP headers : %.2f\n", (float)UDPIPHeaderSize / (float)(HintTrack->GetTotalRTPBytes() + UDPIPHeaderSize) * 100);
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qtss_printf(" Percentage of stream wasted on RTP/UDP/IP headers: %.2f\n", (float)RTPUDPIPHeaderSize / (float)(HintTrack->GetTotalRTPBytes() + RTPUDPIPHeaderSize) * 100);
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qtss_printf("\n");
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qtss_printf("\n");
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}
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//
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// Open our file to write the packets out to.
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fd = open("track.cache", O_CREAT | O_TRUNC | O_WRONLY, 0666);
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if( fd == -1 ) {
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qtss_printf("Error! Could not create output file!\n");
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exit(1);
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}
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//
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// Write out the header.
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tempInt16 = 1;
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write(fd, (char *)&tempInt16, 2); // isCompletelyWritten
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tempInt16 = 0;
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write(fd, (char *)&tempInt16, 2); // padding1
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tempFloat64 = file.GetDurationInSeconds();
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write(fd, (char *)&tempFloat64, 8); // movieLength
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tempInt32 = HintTrack->GetRTPTimescale();
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write(fd, (char *)&tempInt32, 4); // rtpTimescale
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tempInt16 = HintTrack->GetRTPSequenceNumberRandomOffset();
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write(fd, (char *)&tempInt16, 2); // seqNumRandomOffset
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tempInt16 = 0;
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write(fd, (char *)&tempInt16, 2); // padding2
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tempFloat32 = HintTrack->GetTotalRTPBytes() / file.GetDurationInSeconds();
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write(fd, (char *)&tempFloat32, 4); // dataRate
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//
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// Go through all of the samples in this track, printing out their offsets
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// and sizes.
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qtss_printf("Sample # NPkts\n");
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qtss_printf("-------- -----\n");
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UInt32 curSample = 1;
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QTHintTrack_HintTrackControlBlock HCB;
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while( HintTrack->GetNumPackets(curSample, &NumPackets) == QTTrack::errNoError ) {
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//
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// Generate all of the packets.
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qtss_printf("Generating %u packet(s) in sample #%"_U32BITARG_"..\n", NumPackets, curSample);
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for( UInt16 curPacket = 1; curPacket <= NumPackets; curPacket++ ) {
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// General vars
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#define MAX_PACKET_LEN 2048
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char Packet[MAX_PACKET_LEN];
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UInt32 PacketLength;
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Float64 TransmitTime;
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//
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// Generate this packet.
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PacketLength = MAX_PACKET_LEN;
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HintTrack->GetPacket(curSample, curPacket,
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Packet, &PacketLength,
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&TransmitTime, false, false, 0,&HCB);
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//
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// Write out the packet header.
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write(fd, (char *)&TransmitTime, 8); // transmitTime
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tempInt16 = PacketLength;
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write(fd, (char *)&tempInt16, 2); // packetLength
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tempInt16 = 0;
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write(fd, (char *)&tempInt16, 2); // padding1
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//
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// Write out the packet.
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write(fd, Packet, PacketLength);
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}
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//
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// Next sample.
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curSample++;
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}
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//
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// Close the output file.
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close(fd);
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return 0;
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}
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