void *melp_rec(void)
{
int length, frame,count, melp_file_count;
int eof_reached = 0;
//int num_frames = 0;
//short speech_in[11];
short speech_out[FRM];
unsigned char enc_speech[11];
FILE *fp_in, *fp_out;
melpe_i();
melp_file_count = 0;
printf("\n1.2 kb/s Proposed Federal Standard MELP speech coder by Jawad\n");
printf(" C simulation, version 1.0\n\n");
while (1)
{
sem_wait(&melp_start);
melp_file_count = melp_file_count + 1;
if(melp_file_count % 2 == 1)
{
fp_in = fopen("out1.bit" ,"rb");
fp_out = fopen("record0.raw","wb");
}
else
{
fp_in = fopen("out2.bit" ,"rb");
fp_out = fopen("record1.raw","wb");
}
eof_reached = 0;
while (eof_reached == 0)
{
length = fread(&enc_speech,sizeof(char),11,fp_in);
melpe_s(speech_out, enc_speech);
fwrite(speech_out,sizeof(short),FRM,fp_out);
///if (length < FRAME)
if (length < 11)
{
eof_reached = 1;
printf("eof reached \n");
}
}
fclose(fp_in);
fclose(fp_out);
eof_reached = 0;
sem_post(&play_start);
}
pthread_exit(NULL);
}
//----------------------Setup----------------------------------
//*****************************************************************************
//initialize audio devices
int audio_init(void)
{
if(!_soundinit()) //init audio8 play/rec Headset and audio48 play/rec Line
{
printf("Error of 'Line' audio device initialization, application terminated\r\n");
return 1; //init Headset side 8KHz audio device
}
if(!soundinit())
{
return 2; //init Line side 48KHz audio device
printf("Error of 'Headset' audio device initialization, application terminated\r\n");
}
printf("\r\n");
_soundrec(1); //start records from Line
soundrec(1); //start recrds from Mike
melpe_i(); //init MELPE1200 codec engine
return 0; //success
}
void test_melpe(void)
{
int length, frame,count;
int eof_reached = 0;
int num_frames = 0;
short speech_in[FRAME];
short speech_out[FRAME];
unsigned char enc_speech[11];
//static struct melp_param melp_par; /* melp parameters */
// unsigned int chbuf[CHSIZE];
FILE *fp_in, *fp_out, *fp_out_raw;
melpe_i();
/* Print user message */
printf("\n2.4 kb/s Proposed Federal Standard MELP speech coder\n");
printf(" C simulation, version 1.2\n\n");
/* Open input, output, and parameter files */
/* if (( fp_in = fopen(in_name,"rb")) == NULL ) {
printf(" ERROR: cannot read file %s.\n",in_name);
exit(1);
}
if (( fp_out = fopen(out_bit,"wb")) == NULL ) {
printf(" ERROR: cannot write file %s.\n",out_name);
exit(1);
}
if (( fp_out_raw = fopen(out_name,"wb")) == NULL ) {
printf(" ERROR: cannot write file %s.\n",out_name);
exit(1);
}
count = 0;
while (eof_reached == 0)
{
count = count + 1;
//read input speech
length = fread(&speech_in,sizeof(short),FRAME,fp_in);
printf("length number %d is : %d\n",count, length);
melpe_a(enc_speech, speech_in);
melpe_s(speech_out, enc_speech);
fwrite(enc_speech,sizeof(char),11,fp_out);
fwrite(speech_out,sizeof(short),FRAME,fp_out_raw);
if (length < FRAME)
{
eof_reached = 1;
printf("eof reached \n");
}
}
count = 0;
fclose(fp_in);
fclose(fp_out);
fclose(fp_out_raw);
printf("files are closed\n");*/
}
