mpv/TOOLS/realcodecs/drv4.c

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/*
GPL v2 blah blah
This is a small dll that works as a wrapper for the actual cook.so.6.0
dll from real player 8.0.
*/
/*
Assuming that RACloseCodec is the last call.
*/
#include <stddef.h>
#include <stdio.h>
#include <dlfcn.h>
#include <sys/time.h>
typedef unsigned long ulong;
//000000000000a410 g DF .text 0000000000000043 G2 RV20toYUV420Free
//000000000000a6c0 g DF .text 0000000000000060 G2 RV20toYUV420CustomMessage
//000000000000a200 g DF .text 000000000000020c G2 RV20toYUV420Init
//000000000000a724 g DF .text 0000000000000132 G2 RV20toYUV420HiveMessage
//000000000000a458 g DF .text 0000000000000262 G2 RV20toYUV420Transform
ulong (*rvyuvCustomMessage)(ulong,ulong);
ulong (*rvyuvFree)(ulong);
ulong (*rvyuvHiveMessage)(ulong,ulong);
ulong (*rvyuvInit)(ulong,ulong);
ulong (*rvyuvTransform)(ulong,ulong,ulong,ulong,ulong);
//void (*setDLLAccessPath)(ulong);
int b_dlOpened=0;
void *handle=NULL;
/* exits program when failure */
void loadSyms() {
fputs("loadSyms()\n", stderr);
if (!b_dlOpened) {
char *error;
fputs("opening dll...\n",stderr);
handle = dlopen ("/usr/local/RealPlayer8/Codecs/realdrv4.so.6.0", RTLD_LAZY);
if (!handle) {
fputs (dlerror(), stderr);
exit(1);
}
rvyuvCustomMessage = dlsym(handle, "RV20toYUV420CustomMessage");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvCustomMessage): %s\n", error);
exit(1);
}
fprintf(stderr, "RV20toYUV420CustomMessage()=0x%0x\n", rvyuvCustomMessage);
rvyuvFree = dlsym(handle, "RV20toYUV420Free");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvFree): %s\n", error);
exit(1);
}
fprintf(stderr, "RV20toYUV420Free()=0x%0x\n", rvyuvFree);
rvyuvHiveMessage = dlsym(handle, "RV20toYUV420HiveMessage");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvHiveMessage): %s\n", error);
exit(1);
}
fprintf(stderr, "RV20toYUV420HiveMessage()=0x%0x\n", rvyuvHiveMessage);
rvyuvInit = dlsym(handle, "RV20toYUV420Init");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvInit): %s\n", error);
exit(1);
}
fprintf(stderr, "RV20toYUV420Init()=0x%0x\n", rvyuvInit);
rvyuvTransform = dlsym(handle, "RV20toYUV420Transform");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvTransform): %s\n", error);
exit(1);
}
fprintf(stderr, "RV20toYUV420Transform()=0x%0x\n", rvyuvTransform);
b_dlOpened=1;
}
}
void closeDll() {
if (handle) {
b_dlOpened=0;
dlclose(handle);
handle=NULL;
}
}
void _init(void) {
loadSyms();
}
struct timezone tz;
struct timeval tv1, tv2;
void tic() {
gettimeofday(&tv1, &tz);
}
void toc() {
long secs, usecs;
gettimeofday(&tv2, &tz);
secs=tv2.tv_sec-tv1.tv_sec;
usecs=tv2.tv_usec-tv1.tv_usec;
if (usecs<0) {
usecs+=1000000;
--secs;
}
// fprintf(stderr, "Duration: %d.%0.6ds\n", secs, usecs);
}
static void hexdump(void *pos, int len) {
unsigned char *cpos=pos, *cpos1;
int lines=(len+15)>>4;
while(lines--) {
int len1=len, i;
fprintf(stderr, "#R# %0x ", (int)cpos-(int)pos);
cpos1=cpos;
for (i=0;i<16;i++) {
if (len1>0) {
fprintf(stderr, "%02x ", *(cpos++));
} else {
fprintf(stderr, " ");
}
len1--;
}
fputs(" ", stderr);
cpos=cpos1;
for (i=0;i<16;i++) {
if (len>0) {
unsigned char ch=(*(cpos++));
if ((ch<32)||(ch>127)) ch='.';
fputc(ch, stderr);
}
len--;
}
fputs("\n", stderr);
}
fputc('\n', stderr);
}
ulong RV20toYUV420CustomMessage(ulong* p1,ulong p2) {
ulong result;
ulong *pp1=p1;
ulong temp[16];
fprintf(stderr, "#R# => RV20toYUV420CustomMessage(%p,%p) [%d,%d,%d] \n", p1, p2, p1[0],p1[1],p1[2]);
#if 0
if(p1[0]==0x24){
hexdump(p1[2],64);
memset(temp,0x77,16*4);
memcpy(temp,p1[2],16);
p1[2]=temp;
} else {
return 0;
}
#endif
// fprintf(stderr, "ulong p2=0x%0x(%d))\n", p2, p2);
// hexdump((void*)p1, 12);
// if (pp1[0]==0x24) {
// hexdump((void*)(pp1[2]),128);
// }
// tic();
result=(*rvyuvCustomMessage)(p1,p2);
// toc();
fprintf(stderr, "#R# <= RV20toYUV420CustomMessage --> 0x%0x(%d)\n", result, result);
return result;
}
ulong RV20toYUV420Free(ulong p1) {
ulong result;
fprintf(stderr, "RV20toYUV420Free(ulong p1=0x%0x(%d))\n", p1, p1);
// hexdump((void*)p1, 44);
tic();
result=(*rvyuvFree)(p1);
toc();
// hexdump((void*)p1, 44);
fprintf(stderr, "RV20toYUV420Free --> 0x%0x(%d)\n\n\n", result, result);
return result;
}
char h_temp[32768];
ulong RV20toYUV420HiveMessage(ulong *p1,ulong p2) {
ulong result;
fprintf(stderr, "#R# RV20toYUV420HiveMessage(%p,%p)\n", p1, p2);
// p1->constant,p1->width,p1->height,p1->format1,p1->format2);
// fprintf(stderr, "ulong p2=0x%0x(%d))\n", p2, p2);
// hexdump((void*)p1, sizeof(struct init_data));
fprintf(stderr,">HIVE %d %p\n",p1[0],p1[1]);
fprintf(stderr,"COPY INIT DATA!\n");
memset(h_temp,0x77,1000);
memcpy(h_temp,p1,4);
fprintf(stderr,"COPY OK!\n");
// tic();
// result=(*rvyuvHiveMessage)(p1,p2);
result=(*rvyuvHiveMessage)(h_temp,p2);
// toc();
fprintf(stderr,"COPY INIT DATA!\n");
memcpy(p1,h_temp,8);
fprintf(stderr,"COPY OK!\n");
memset(h_temp,0x77,1000);
// p1[0]=0;
// p1[1]=0x20000000;
fprintf(stderr,"<HIVE %d %p\n",p1[0],p1[1]);
// hexdump((void*)p1, sizeof(struct init_data));
// hexdump((void*)p1, 8);
fprintf(stderr, "#R# RV20toYUV420HiveMessage --> 0x%0x(%d)\n\n", result, result);
return result;
}
struct init_data {
short constant; //=0xb;
short width, height;
short x1,x2,x3;
// 12
ulong format1;
long x4;
ulong format2;
// long unknown[32];
};
static char i_temp[32768];
ulong RV20toYUV420Init(ulong p1,ulong p2) {
ulong result;
fprintf(stderr, "#R# RV20toYUV420Init(ulong p1=0x%0x(%d), ", p1, p1);
fprintf(stderr, "ulong p2=0x%0x(%d))\n", p2, p2);
fprintf(stderr,"COPY INIT DATA!\n");
memcpy(i_temp,p1,24);
p1=i_temp;
fprintf(stderr,"COPY OK!\n");
hexdump((void*)p1, 24);
tic();
result=(*rvyuvInit)(p1,p2);
toc();
hexdump((void*)p1, 24);
memset(i_temp,0x77,1000);
// hexdump(*((void**)p2), 512);
fprintf(stderr, "#R# RV20toYUV420Init --> 0x%0x(%d)\n\n\n", result, result);
return result;
}
unsigned long build_crc(unsigned char *pch, unsigned long len) {
unsigned long crc=0, a, b;
// it's not the real crc function, but so what...
while (len--) {
a=*(pch++);
// a=a+(a<<6);
// a^=0x555;
// b=(crc>>29)&7;
// crc=((crc<<3)+b)^a;
crc^=a;
}
return crc;
}
#define MIN(a,b) ((a)<(b)?(a):(b))
// p1=input data (stream)
// p2=output buffer
// p3=input struct
// p4=output struct
// p5=rvyuv_main
ulong RV20toYUV420Transform(ulong p1,ulong p2,ulong p3,ulong p4,ulong p5) {
//result=RV20toYUV420Transform(char *input_stream, char *output_data,
// struct transin *, struct transout *, struct rvyuvMain *);
ulong result;
ulong *pp3=p3;
ulong *pp4=p4;
void *v;
ulong temp[128];
int i;
unsigned long len,crc_src, crc0, crc1, crc2;
unsigned char *pch=(char *)p1;
fprintf(stderr, "#R# RV20toYUV420Transform(in=%p,out=%p,tin=%p,tout=%p,yuv=%p)\n",p1,p2,p3,p4,p5);
// input data, length=*p3
// hexdump((void*)p1, /*MIN(64,*/ *((ulong*)p3) /*)*/ );
// v=p5;
// v+=0x3c;
// v=*((void **)v);
// pp3=v;
// len=pp3[3]*pp3[4]*3/2;
// pch=p2;
// while(--len) *(pch++)=0;
// hexdump((char*)p2, 64);
// hexdump((void*)p3, 32);
// hexdump((void*)p5, 64);
// pp3=p3;
// if (pp3[3]>1024) {
// hexdump((void*)(pp3[3]),32);
// pp3=pp3[3];
// }
pp3=p3;
// it's not the real crc function, but so what...
pch=p1;
crc_src=build_crc(pch, pp3[0]);
pp4=pp3[3];
fprintf(stderr,"transin1[%p]: {%d/%d} ",pp4,pp3[2],pp3[0]);
// pp4[0],pp4[1],pp4[2],pp4[3],
// pp4[4],pp4[5],pp4[6],pp4[7]);
memset(temp,0x77,128*4);
memcpy(temp,pp4,8*(pp3[2]+1));
for(i=0;i<=pp3[2];i++){
fprintf(stderr," %p(%d)",temp[i*2],temp[i*2+1]);
}
fprintf(stderr,"\n");
pp3[3]=pp4=temp;
// pp4[2]=
// pp4[3]=
// pp4[4]=NULL;
//pp4[6]=pp4[5];
v=p5;
/* fprintf(stderr, "rvyuvMain=0x%0x\n", v);
v+=0x3c;
v=*((void **)v);
fprintf(stderr, "[$+3ch]=0x%0x\n", v);
hexdump(v, 512);
v+=0x60;
v=*((void **)v);
fprintf(stderr, "[$+60h]=0x%0x\n", v);
hexdump(v, 512);
v+=0x28;
v=*((void **)v);
fprintf(stderr, "[$+28h]=0x%0x\n", v);
hexdump(v, 512);
*/
/* v+=0x178;
hexdump(v, 16);
v=*((void **)v);
if (v>0x8000000) {
fprintf(stderr, "[$+178h]=0x%0x\n", v);
hexdump(v, 128);
}
*/
// tic();
result=(*rvyuvTransform)(p1,p2,p3,p4,p5);
// toc();
crc0=build_crc(p2, 176*144);
// crc1=build_crc(p2+pp4[3]*pp4[4]/2, pp4[3]*pp4[4]/2);
// crc2=build_crc(p2+pp4[3]*pp4[4], pp4[3]*pp4[4]/2);
// pp3=p3;
// TRANSFORM: <timestamp> <numblocks> <len> <crc_src> <crc_dest> <p4[4]>
// fprintf(stderr, "TRAFO:\t%d\t%d\t%d\t%.8X\t%.8X\t%d\n",
// pp3[5], pp3[2], pp3[0], crc_src, crc0, pp3[4]);
fprintf(stderr, "#R# Decode: %d(%d) [%08X] pts=%d -> %d [%08X]\n",
pp3[0],pp3[2],crc_src,pp3[5],
result,crc0);
// output
// hexdump((char*)p2, /*64*/ pp4[3]*pp4[4]/2);
// hexdump((void*)p4, 20);
// hexdump((void*)p5, 512);
// fprintf(stderr, "RV20toYUV420Transform --> 0x%0x(%d)\n\n\n", result, result);
return result;
}