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annotate modules/bluespec/Pygar/core/AudioCoreSystem.cpp @ 74:31fef269ae58 pygar svn.75

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[svn r75] presentation for wednesdaty
author rlm
date Wed, 12 May 2010 02:25:34 -0400
parents 34fc182a1daa
children a15cc186e07d
rev   line source
punk@13 1 #include <stdio.h>
punk@13 2 #include <pthread.h>
punk@13 3 #include <semaphore.h>
punk@13 4
punk@13 5 #include "asim/provides/connected_application.h"
punk@13 6 #include "asim/provides/stats_device.h"
punk@13 7 //#include "asim/provides/SndfileWavUtil.h"
punk@13 8
punk@13 9 #include "asim/rrr/client_stub_AUDIOCORERRR.h"
punk@13 10
punk@13 11 using namespace std;
punk@13 12
punk@68 13 #define NUM_VOICES 2
punk@68 14
punk@13 15 pthread_mutex_t CONNECTED_APPLICATION_CLASS::lock;
punk@13 16 pthread_cond_t CONNECTED_APPLICATION_CLASS::cond;
punk@13 17 sem_t CONNECTED_APPLICATION_CLASS::throttle;
punk@13 18
punk@68 19
punk@13 20 // constructor
punk@13 21 CONNECTED_APPLICATION_CLASS::CONNECTED_APPLICATION_CLASS(VIRTUAL_PLATFORM vp) :
rlm@23 22
rlm@23 23 clientStub(new AUDIOCORERRR_CLIENT_STUB_CLASS(this))
punk@13 24 {
punk@64 25 printf("SendSide Created\n");
punk@13 26 }
punk@13 27
punk@13 28 // destructor
punk@13 29 CONNECTED_APPLICATION_CLASS::~CONNECTED_APPLICATION_CLASS()
punk@13 30 {
punk@13 31 }
punk@13 32
punk@13 33 // init
punk@13 34 void
punk@13 35 CONNECTED_APPLICATION_CLASS::Init()
punk@13 36 {
punk@13 37
punk@64 38 printf("InitSend Side\n");
punk@13 39 pthread_mutex_init(&lock, NULL);
punk@13 40 pthread_cond_init(&cond, NULL);
punk@65 41 sem_init(&throttle, 0, 256);
punk@13 42
punk@13 43 // enable stats
punk@64 44 //STATS_DEVICE_SERVER_CLASS::GetInstance()->SetupStats();
punk@13 45 }
punk@13 46
punk@57 47 //This isn't called.
punk@13 48 void
punk@13 49 CONNECTED_APPLICATION_CLASS::UpdateSemaphore()
punk@13 50 {
punk@64 51 printf("UpdateSemaphore\n");
punk@13 52 sem_post(&throttle);
punk@13 53 }
punk@13 54
punk@13 55 void
punk@13 56 CONNECTED_APPLICATION_CLASS::EndSimulation()
punk@13 57 {
punk@13 58 printf("EndSimulation Called\n");
punk@13 59 fflush(stdout);
punk@13 60 pthread_mutex_lock(&lock);
punk@13 61 // Do something about the race occuring here
punk@13 62 pthread_cond_signal(&cond);
punk@13 63 pthread_mutex_unlock(&lock);
punk@13 64 printf("EndSimulation done\n");
punk@13 65 fflush(stdout);
punk@13 66 }
punk@13 67
punk@13 68 // main
punk@13 69 void
punk@13 70 CONNECTED_APPLICATION_CLASS::Main()
punk@13 71 {
rlm@34 72 //rlm: two files
punk@13 73 FILE *inputFile;
punk@52 74 FILE *inputFile1;
punk@13 75 UINT16 sample;
punk@52 76 UINT16 sample1;
rlm@34 77
punk@72 78 bool fileFini[NUM_VOICES];
punk@72 79 for (int n = 0; n < NUM_VOICES; n++)
punk@72 80 fileFini[n] = false;
punk@72 81
rlm@34 82 //rlm: not sure if normal ints are ok here; using UINT16 because I know it works
punk@52 83 UINT16 channel0 = 0;
punk@52 84 UINT16 channel1 = 1;
punk@31 85
punk@31 86 //init processor
punk@31 87 int sleepCount = 0;
punk@31 88 int result = 0;
punk@31 89
punk@72 90 int numCoreFini = 0;
punk@31 91
punk@64 92 printf("SendSide Main\n");
punk@31 93 fflush(stdout);
punk@31 94
punk@13 95 // Convert input wav to pcm
rlm@34 96
rlm@34 97 //rlm: for now we are going to going to just have 2 files with "common names"
rlm@34 98
punk@13 99 generate_pcm("input.wav","input.pcm");
punk@52 100 generate_pcm("input1.wav", "input1.pcm");
rlm@34 101
punk@13 102
punk@13 103 //Send data to the machine here.
rlm@34 104 //rlm: two files
punk@13 105 inputFile = fopen("input.pcm","r");
punk@53 106 inputFile1 = fopen("input1.pcm", "r");
rlm@34 107
punk@52 108 assert(inputFile1);
punk@13 109 assert(inputFile);
punk@13 110
punk@13 111 int count = 0;
punk@13 112
punk@65 113 sleep(1);
punk@57 114 printf("main:samples about to start sending %d\n", count);
punk@13 115
rlm@34 116 //rlm: here we read both files. later refactor into a function.
rlm@34 117 // also, this will terminate when the FIRST file reaches its end.
punk@68 118 while( !feof(inputFile) || !feof(inputFile1))
punk@72 119 {
punk@72 120
punk@65 121 sem_wait(&throttle);
punk@65 122
punk@37 123 if(count%1000 == 0)
punk@37 124 printf("main: %d\n", count);
punk@37 125 count++;
punk@37 126
rlm@34 127 //rlm: two files.
punk@68 128
punk@68 129 if (!fileFini[0])
punk@68 130 {
punk@68 131 if (fread(&sample, 2, 1, inputFile))
punk@68 132 clientStub->SendUnprocessedStream((UINT32)channel0 , Data,(UINT32)sample);
punk@68 133 else{
punk@68 134 fileFini[0] = true;
punk@68 135 numCoreFini++;
punk@68 136 if (numCoreFini >= NUM_VOICES) // Need lock on last eof
punk@68 137 // Need to put lock here to prevent potential race condition
punk@68 138 pthread_mutex_lock(&lock);
punk@68 139 clientStub->SendUnprocessedStream((UINT32)channel0, EndOfFile,0);
punk@68 140 }
punk@68 141 }
punk@72 142
punk@72 143 if (!fileFini[1])
punk@68 144 {
punk@68 145 if (fread(&sample1, 2 , 1, inputFile1))
punk@68 146 clientStub->SendUnprocessedStream((UINT32)channel1 , Data,(UINT32)sample1);
punk@72 147 else
punk@72 148 {
punk@68 149 fileFini[1] = true;
punk@72 150 numCoreFini++;
punk@68 151 if (numCoreFini >= NUM_VOICES) // Need lock on last eof
punk@68 152 // Need to put lock here to prevent potential race condition
punk@68 153 pthread_mutex_lock(&lock);
punk@68 154 clientStub->SendUnprocessedStream((UINT32)channel1, EndOfFile,0);
punk@72 155 }
punk@72 156 }
punk@72 157 }
punk@13 158
punk@13 159 printf("main: out of loop\n");
punk@13 160 printf("main: wait for end of file\n");
punk@13 161
punk@13 162 pthread_cond_wait(&cond, &lock);
punk@13 163 pthread_mutex_unlock(&lock);
punk@13 164
rlm@23 165 printf("main: last data out\n");
punk@13 166
punk@13 167 // Convert input wav to pcm
rlm@34 168 // this part is ok because there is always only one input file.
punk@13 169 generate_wav("out_hw.pcm","input.wav","out_hw.wav");
punk@13 170
punk@13 171 printf("generate wav done\n");
punk@13 172
punk@50 173 // printf("If you missed it, core %s", coreFin ? "PASSED\n" : "FAILED\n");
punk@13 174 // Dump the stats file
punk@13 175
punk@13 176 STATS_DEVICE_SERVER_CLASS::GetInstance()->DumpStats();
punk@13 177 STATS_DEVICE_SERVER_CLASS::GetInstance()->EmitFile();
punk@13 178
punk@31 179 fflush(stdout);
punk@53 180 // exit(0);
punk@31 181 }