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#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#ifdef USE_REALCODECS
#include <dlfcn.h>
#include "mp_msg.h"
#include "help_mp.h"
#include "vd_internal.h"
static vd_info_t info = {
"RealVideo decoder",
"realvid",
"Florian Schneider & A'rpi",
"using original closed source codecs for Linux",
"binary real video codecs"
};
LIBVD_EXTERN(realvid)
static unsigned long (*rvyuv_custom_message)(unsigned long*,void*);
static unsigned long (*rvyuv_free)(void*);
static unsigned long (*rvyuv_hive_message)(unsigned long,unsigned long);
static unsigned long (*rvyuv_init)(void*, void*); // initdata,context
static unsigned long (*rvyuv_transform)(char*, char*,unsigned long*,unsigned long*,void*);
static void *rv_handle=NULL;
void *__builtin_vec_new(unsigned long size) {
return malloc(size);
}
void __builtin_vec_delete(void *mem) {
free(mem);
}
void __pure_virtual(void) {
printf("FATAL: __pure_virtual() called!\n");
// exit(1);
}
#if defined(__FreeBSD__) || defined(__NetBSD__)
void ___brk_addr(void) {exit(0);}
char **__environ={NULL};
#undef stderr
FILE *stderr=NULL;
#endif
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
// switch(cmd){
// case VDCTRL_QUERY_MAX_PP_LEVEL:
// return 9;
// case VDCTRL_SET_PP_LEVEL:
// vfw_set_postproc(sh,10*(*((int*)arg)));
// return CONTROL_OK;
// }
return CONTROL_UNKNOWN;
}
/* exits program when failure */
static int load_syms_linux(char *path) {
void *handle;
mp_msg(MSGT_DECVIDEO,MSGL_INFO, "opening shared obj '%s'\n", path);
rv_handle = dlopen (path, RTLD_LAZY);
handle=rv_handle;
if (!handle) {
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error: %s\n",dlerror());
return 0;
}
rvyuv_custom_message = dlsym(handle, "RV20toYUV420CustomMessage");
rvyuv_free = dlsym(handle, "RV20toYUV420Free");
rvyuv_hive_message = dlsym(handle, "RV20toYUV420HiveMessage");
rvyuv_init = dlsym(handle, "RV20toYUV420Init");
rvyuv_transform = dlsym(handle, "RV20toYUV420Transform");
if(rvyuv_custom_message &&
rvyuv_free &&
rvyuv_hive_message &&
rvyuv_init &&
rvyuv_transform) return 1;
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error resolving symbols! (version incompatibility?)\n");
return 0;
}
#ifdef USE_WIN32DLL
#include "../loader/ldt_keeper.h"
void* LoadLibraryA(char* name);
void* GetProcAddress(void* handle,char* func);
static int load_syms_windows(char *path) {
void *handle;
Setup_LDT_Keeper();
rv_handle = handle = LoadLibraryA(path);
mp_msg(MSGT_DECVIDEO,MSGL_V,"win32 real codec handle=%p \n",handle);
rvyuv_custom_message = GetProcAddress(handle, "RV20toYUV420CustomMessage");
rvyuv_free = GetProcAddress(handle, "RV20toYUV420Free");
rvyuv_hive_message = GetProcAddress(handle, "RV20toYUV420HiveMessage");
rvyuv_init = GetProcAddress(handle, "RV20toYUV420Init");
rvyuv_transform = GetProcAddress(handle, "RV20toYUV420Transform");
if(rvyuv_custom_message &&
rvyuv_free &&
rvyuv_hive_message &&
rvyuv_init &&
rvyuv_transform) return 1;
return 0; // error
}
#endif
/* we need exact positions */
struct rv_init_t {
short unk1;
short w;
short h;
short unk3;
int unk2;
int subformat;
int unk5;
int format;
} rv_init_t;
// init driver
static int init(sh_video_t *sh){
//unsigned int out_fmt;
char path[4096];
int result;
// we export codec id and sub-id from demuxer in bitmapinfohdr:
unsigned int* extrahdr=(unsigned int*)(sh->bih+1);
struct rv_init_t init_data={
11, sh->disp_w, sh->disp_h,0,0,extrahdr[0],
1,extrahdr[1]}; // rv30
mp_msg(MSGT_DECVIDEO,MSGL_V,"realvideo codec id: 0x%08X sub-id: 0x%08X\n",extrahdr[1],extrahdr[0]);
sprintf(path, REALCODEC_PATH "/%s", sh->codec->dll);
/* first try to load linux dlls, if failed and we're supporting win32 dlls,
then try to load the windows ones */
if(!load_syms_linux(path))
#ifdef USE_WIN32DLL
if (!load_syms_windows(path))
#endif
{
mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingDLLcodec,sh->codec->dll);
mp_msg(MSGT_DECVIDEO,MSGL_HINT,"You need to copy the contents from the RealPlayer codecs directory\n");
mp_msg(MSGT_DECVIDEO,MSGL_HINT,"into " REALCODEC_PATH "/ !\n");
return 0;
}
// only I420 supported
if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_I420)) return 0;
// init codec:
sh->context=NULL;
result=(*rvyuv_init)(&init_data, &sh->context);
if (result){
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Couldn't open RealVideo codec, error code: 0x%X \n",result);
return 0;
}
// setup rv30 codec (codec sub-type and image dimensions):
if(extrahdr[1]>=0x20200002){
unsigned long cmsg24[4]={sh->disp_w,sh->disp_h,sh->disp_w,sh->disp_h};
unsigned long cmsg_data[3]={0x24,1+((extrahdr[0]>>16)&7),(unsigned long) &cmsg24};
(*rvyuv_custom_message)(cmsg_data,sh->context);
}
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: RealVideo codec init OK!\n");
return 1;
}
// uninit driver
static void uninit(sh_video_t *sh){
if(rvyuv_free) rvyuv_free(sh->context);
if(rv_handle) dlclose(rv_handle);
rv_handle=NULL;
}
// copypaste from demux_real.c - it should match to get it working!
typedef struct dp_hdr_s {
uint32_t chunks; // number of chunks
uint32_t timestamp; // timestamp from packet header
uint32_t len; // length of actual data
uint32_t chunktab; // offset to chunk offset array
} dp_hdr_t;
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
mp_image_t* mpi;
unsigned long result;
dp_hdr_t* dp_hdr=(dp_hdr_t*)data;
unsigned char* dp_data=((unsigned char*)data)+sizeof(dp_hdr_t);
uint32_t* extra=(uint32_t*)(((char*)data)+dp_hdr->chunktab);
unsigned long transform_out[5];
unsigned long transform_in[6]={
dp_hdr->len, // length of the packet (sub-packets appended)
0, // unknown, seems to be unused
dp_hdr->chunks, // number of sub-packets - 1
(unsigned long) extra, // table of sub-packet offsets
0, // unknown, seems to be unused
dp_hdr->timestamp,// timestamp (the integer value from the stream)
};
if(len<=0 || flags&2) return NULL; // skipped frame || hardframedrop
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, 0 /*MP_IMGFLAG_ACCEPT_STRIDE*/,
sh->disp_w, sh->disp_h);
if(!mpi) return NULL;
result=(*rvyuv_transform)(dp_data, mpi->planes[0], transform_in,
transform_out, sh->context);
return (result?NULL:mpi);
}
#endif
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