mpv/libmpcodecs/vd_real.c

188 lines
4.7 KiB
C

#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 = {
"RealPlayer 8 video codecs",
"real",
VFM_REAL,
"Florian Schneider",
"using original closed source codecs for Linux",
"binary real video codecs"
};
LIBVD_EXTERN(real)
typedef unsigned long ulong;
ulong (*rvyuv_custom_message)(ulong,ulong);
ulong (*rvyuv_free)(ulong);
ulong (*rvyuv_hive_message)(ulong,ulong);
ulong (*rvyuv_init)(ulong,ulong);
ulong (*rvyuv_transform)(ulong,ulong,ulong,ulong,ulong);
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) {
fprintf(stderr, "I'm outa here!\n");
exit(1);
}
// 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 */
int load_syms(char *path) {
void *handle;
char *error;
fprintf(stderr, "opening dll %s\n", path);
rv_handle = dlopen (path, RTLD_LAZY);
handle=rv_handle;
if (!handle) {
fputs (dlerror(), stderr);
return 0;
}
rvyuv_custom_message = dlsym(handle, "RV20toYUV420CustomMessage");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvCustomMessage): %s\n", error);
return 0;
}
rvyuv_free = dlsym(handle, "RV20toYUV420Free");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvFree): %s\n", error);
return 0;
}
rvyuv_hive_message = dlsym(handle, "RV20toYUV420HiveMessage");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvHiveMessage): %s\n", error);
return 0;
}
rvyuv_init = dlsym(handle, "RV20toYUV420Init");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvInit): %s\n", error);
return 0;
}
rvyuv_transform = dlsym(handle, "RV20toYUV420Transform");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "dlsym(rvyuvTransform): %s\n", error);
return 0;
}
return 1;
}
/* 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, LIBDIR "/real/%s", sh->codec->dll);
if(!load_syms(path)){
mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingDLLcodec,sh->codec->dll);
mp_msg(MSGT_DECVIDEO,MSGL_HINT,"You need to copy the contents of the codecs directory from RealPlayer8\n");
mp_msg(MSGT_DECVIDEO,MSGL_HINT,"into " LIBDIR "/real/ !\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]>=0x30000000){
ulong cmsg24[4]={sh->disp_w,sh->disp_h,sh->disp_w,sh->disp_h};
ulong cmsg_data[3]={0x24,1+((extrahdr[0]>>16)&3),&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(rv_handle) dlclose(rv_handle);
rv_handle=NULL;
}
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
mp_image_t* mpi;
ulong result;
int *buff=(unsigned int *)((char*)data+len);
ulong transform_out[5];
ulong transform_in[6]={
len, // length of the packet (sub-packets appended)
0, // unknown, seems to be unused
buff[0], // number of sub-packets - 1
&buff[2], // table of sub-packet offsets
0, // unknown, seems to be unused
buff[1], // 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)(data, mpi->planes[0], transform_in,
transform_out, sh->context);
return (result?NULL:mpi);
}
#endif