Miguel Ruiz
H261 decoder
Dependencies: SDL_lib2 SX1276Lib mbed
Diff: main.cpp
- Revision:
- 1:1ed97958d0f3
- Parent:
- 0:5bd441b8ab2d
--- a/main.cpp Thu Sep 22 00:04:30 2016 +0000
+++ b/main.cpp Wed Jan 11 20:18:38 2017 +0000
@@ -1,3 +1,4 @@
+
/*
@@ -15,11 +16,12 @@
#include "mbed.h"
#include "functions_dec.h"
#include "lora.h"
+//#include "debug.h"
#define BPS 128000
#define BITS 8
#define STOP_BITS 1
-
+//DigitalOut myled(LED1);
int main(int argc, char *argv[]){
Serial pc(USBTX, USBRX);
@@ -27,50 +29,98 @@
pc.format (BITS,SerialBase::None, STOP_BITS) ;
int i=0,j=0,p_x=0,p_y=0,k=0;
-
+ //myled=1;
short int m[HEIGHT][WIDTH][3];
short int *matriz=(short int *)malloc(sizeof(short int)*WIDTH*HEIGHT*3);
-
+ short int index1,index2,index3;
short int acumulador[3]={0,0,0};
+int veces=0;
+
+for(veces=0; veces < 30;veces++){
short int *temp1,*temp2,*temp3;//these are vectors. Memory allocations are done at lora function.
- lora(temp1,acumulador[0],temp2,acumulador[1],temp3,acumulador[2]);//acumulador tells the length of the respective vector(acumulador[0] -> temp1,...)
+ temp3=(short int *)malloc(sizeof(short int)*380);
+ temp2=(short int *)malloc(sizeof(short int)*300);
+ temp1=(short int *)malloc(sizeof(short int)*300);
+//debug("lora\r\n");
+ lora(temp1,index1,temp2,index2,temp3,index3,acumulador);//acumulador tells the length of the respective vector(acumulador[0] -> temp1,...)
int indice=0;
-
+ // debug("paquete numero %i\r\n",veces+1);
//We must "unroll" the vectors after being processed with the RLC (in the encoder)
- for(i=0;i<acumulador[0]>>1;i++){
- for(j=k;j<*(temp1+indice)+k;j++){
- *(matriz+j*3)=*(temp1+indice+1);
+
+/* debug("return from lora function...\r\n");
+ debug("acumulador[0]= %i\r\n",acumulador[0]);
+ debug("acumulador[0]= %i\r\n",acumulador[1]);
+ debug("acumulador[0]= %i\r\n",acumulador[2]);
+ debug("Paquete numero %i\r\n",veces+1);*/
+ k=0;
+ short int acc1=0,acc2=0,acc3=0;
+ for(i=0;i<acumulador[0]/2;i++){//Se divide entre 2 poque se cuentan por pares (longitud,valor).
+ for(j=k;j<(*(temp1+indice)*3+k);j+=3){
+
+ *(matriz+j)=*(temp1+indice+1);
+ acc1++;
+ if(j>HEIGHT*WIDTH*3) break;
+ //debug("iteracion\r\n");
+ }
+ k=j;
+ indice+=2;
+
+ }
+ for(i=(acc1-1)*3;i<HEIGHT*WIDTH*3;i++){
+ *(matriz+i)=0;
+
+ }
+
+//debug("*(temp1+indice)= %i\r\n",*(temp1+0));
+ indice=0;
+ k=0;
+ for(i=0;i<acumulador[1]/2;i++){
+
+ for(j=k;j<(*(temp2+indice)*3+k);j+=3){
+
+ *(matriz+j+1)=*(temp2+indice+1);
+ acc2++;
+ if(j>HEIGHT*WIDTH*3) break;
}
k=j;
indice+=2;
}
+ for(i=(acc2-1)*3;i<HEIGHT*WIDTH*3;i++){
+ *(matriz+i+1)=0;
+ }
+
+//debug("*(temp2+indice)= %i\r\n",*(temp2+indice));
indice=0;
k=0;
- for(i=0;i<acumulador[1]>>1;i++){
- for(j=k;j<*(temp2+indice)+k;j++){
- *(matriz+j*3+1)=*(temp2+indice+1);
+ for(i=0;i<acumulador[2]/2;i++){
+ for(j=k;j<(*(temp3+indice)*3+k);j+=3){
+
+ *(matriz+j+2)=*(temp3+indice+1);
+ acc3++;
+ if(j>HEIGHT*WIDTH*3) break;
}
k=j;
indice+=2;
}
- indice=0;
- k=0;
- for(i=0;i<acumulador[2]>>1;i++){
- for(j=k;j<*(temp3+indice)+k;j++){
- *(matriz+j*3+2)=*(temp3+indice+1);
- }
- k=j;
- indice+=2;
+ for(i=(acc3-1)*3;i<HEIGHT*WIDTH*3;i++){
+ *(matriz+i+2)=0;
}
-
-
+
+
+ free(temp1);
+ free(temp2);
+ free(temp3);
+ //debug("zig-zag\r\n");
+
zig_zag_dec(m,matriz);
+ //debug("acumulador\r\n");
cuantizador_dec(m);
+
-
+ //debug("idct\r\n");
int matrix[8][8][3];
for(i=0;i<HEIGHT;i+=8){
for(j=0;j<WIDTH;j+=8){
@@ -97,7 +147,7 @@
int bpp=3;
- for(i=0;i<HEIGHT;i++){
+/* for(i=0;i<HEIGHT;i++){
for(j=0;j<WIDTH;j++){
if(m[i][j][0]>235) m[i][j][0]=235;
@@ -108,22 +158,131 @@
if(m[i][j][1]<16) m[i][j][1]=16;
if(m[i][j][2]<16) m[i][j][2]=16;
}
+ }*/
+//debug("yuv\r\n");
+ yuv_to_rgb(m);
+ unsigned char var;
+/* for(i=0;i<HEIGHT;i++){
+ for(j=0;j<WIDTH;j++){
+ while(!pc.writeable());
+ pc.printf("%c",(char)m[i][j][0]);
}
-
- yuv_to_rgb(m);
+}*/
for(i=0;i<8;i++){
for(j=0;j<320;j++){
+
+ var=0xff & m[i][j][0];
+ if(j>311){
+ while(!pc.writeable());
+ pc.printf("%c",(char)m[i][j-8][0]);
- while(!pc.writeable());
- pc.printf("%u",(unsigned char)m[i][j][0]);
-
- while(!pc.writeable());
- pc.printf("%u",(unsigned char)m[i][j][1]);
- while(!pc.writeable());
- pc.printf("%u",(unsigned char)m[i][j][2]);
+
+ while(!pc.writeable());
+ pc.printf("%c",(char)m[i][j-8][1]);
+
+
+ while(!pc.writeable());
+ pc.printf("%c",(char)m[i][j-8][2]);
+ }
+ else{
+ while(!pc.writeable());
+ pc.printf("%c",(char)m[i][j][0]);
+
+
+ while(!pc.writeable());
+ pc.printf("%c",(char)m[i][j][1]);
+
+
+ while(!pc.writeable());
+ pc.printf("%c",(char)m[i][j][2]);
+ }
+
+ //var=255;
+
}
}
+
+ while(!pc.writeable());
+ pc.printf("2");//OJO con ponerlo aqui arriba
+
+
+ char h;
+ h=acc1&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+ h=(acc1>>8) & 0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+
+
+ h=acc2&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+ h=(acc2>>8)&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+
+ h=acc3&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+ h=(acc3>>8)&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+ /* char h;
+ h=acumulador[0]&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+ h=(acumulador[0]>>8) & 0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+
+
+ h=acumulador[1]&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+ h=(acumulador[1]>>8)&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+
+ h=acumulador[2]&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);
+
+ h=(acumulador[2]>>8)&0xff;
+
+ while(!pc.writeable());
+ pc.printf("%c",h);*/
+}
+
+ DigitalOut led(LED1);
+ while(1){
+
+ led=1;
+ wait(0.5);
+ led=0;
+ wait(0.5);
+ }
return 0;
}