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

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