mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 01:22:30 +00:00
36e1974be0
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17013 b3059339-0415-0410-9bf9-f77b7e298cf2
361 lines
10 KiB
C
361 lines
10 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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#ifdef USE_REALCODECS
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#ifdef HAVE_LIBDL
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#include <dlfcn.h>
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#endif
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#include "mp_msg.h"
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#include "help_mp.h"
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#include "vd_internal.h"
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#include "wine/windef.h"
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static vd_info_t info = {
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"RealVideo decoder",
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"realvid",
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"Alex Beregszaszi",
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"Florian Schneider, Arpad Gereoffy, Alex Beregszaszi, Donnie Smith",
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"binary real video codecs"
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};
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LIBVD_EXTERN(realvid)
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/*
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* Structures for data packets. These used to be tables of unsigned ints, but
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* that does not work on 64 bit platforms (e.g. Alpha). The entries that are
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* pointers get truncated. Pointers on 64 bit platforms are 8 byte longs.
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* So we have to use structures so the compiler will assign the proper space
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* for the pointer.
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*/
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typedef struct cmsg_data_s {
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uint32_t data1;
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uint32_t data2;
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uint32_t* dimensions;
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} cmsg_data_t;
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typedef struct transform_in_s {
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uint32_t len;
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uint32_t unknown1;
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uint32_t chunks;
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uint32_t* extra;
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uint32_t unknown2;
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uint32_t timestamp;
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} transform_in_t;
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static unsigned long (*rvyuv_custom_message)(cmsg_data_t* ,void*);
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static unsigned long (*rvyuv_free)(void*);
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static unsigned long (*rvyuv_hive_message)(unsigned long,unsigned long);
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static unsigned long (*rvyuv_init)(void*, void*); // initdata,context
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static unsigned long (*rvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
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#ifdef USE_WIN32DLL
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static unsigned long WINAPI (*wrvyuv_custom_message)(cmsg_data_t* ,void*);
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static unsigned long WINAPI (*wrvyuv_free)(void*);
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static unsigned long WINAPI (*wrvyuv_hive_message)(unsigned long,unsigned long);
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static unsigned long WINAPI (*wrvyuv_init)(void*, void*); // initdata,context
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static unsigned long WINAPI (*wrvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
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#endif
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static void *rv_handle=NULL;
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static int inited=0;
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#ifdef USE_WIN32DLL
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static int dll_type = 0; /* 0 = unix dlopen, 1 = win32 dll */
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#endif
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void *__builtin_vec_new(unsigned long size) {
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return malloc(size);
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}
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void __builtin_vec_delete(void *mem) {
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free(mem);
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}
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void __pure_virtual(void) {
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printf("FATAL: __pure_virtual() called!\n");
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// exit(1);
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}
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#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
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void ___brk_addr(void) {exit(0);}
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char **__environ={NULL};
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#undef stderr
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FILE *stderr=NULL;
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#endif
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// to set/get/query special features/parameters
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static int control(sh_video_t *sh,int cmd,void* arg,...){
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// switch(cmd){
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// case VDCTRL_QUERY_MAX_PP_LEVEL:
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// return 9;
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// case VDCTRL_SET_PP_LEVEL:
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// vfw_set_postproc(sh,10*(*((int*)arg)));
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// return CONTROL_OK;
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// }
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return CONTROL_UNKNOWN;
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}
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/* exits program when failure */
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#ifdef HAVE_LIBDL
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static int load_syms_linux(char *path) {
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void *handle;
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mp_msg(MSGT_DECVIDEO,MSGL_INFO, "opening shared obj '%s'\n", path);
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handle = dlopen (path, RTLD_LAZY);
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if (!handle) {
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mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error: %s\n",dlerror());
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return 0;
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}
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rvyuv_custom_message = dlsym(handle, "RV20toYUV420CustomMessage");
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rvyuv_free = dlsym(handle, "RV20toYUV420Free");
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rvyuv_hive_message = dlsym(handle, "RV20toYUV420HiveMessage");
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rvyuv_init = dlsym(handle, "RV20toYUV420Init");
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rvyuv_transform = dlsym(handle, "RV20toYUV420Transform");
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if(rvyuv_custom_message &&
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rvyuv_free &&
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rvyuv_hive_message &&
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rvyuv_init &&
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rvyuv_transform)
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{
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rv_handle = handle;
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return 1;
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}
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rvyuv_custom_message = dlsym(handle, "RV40toYUV420CustomMessage");
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rvyuv_free = dlsym(handle, "RV40toYUV420Free");
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rvyuv_hive_message = dlsym(handle, "RV40toYUV420HiveMessage");
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rvyuv_init = dlsym(handle, "RV40toYUV420Init");
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rvyuv_transform = dlsym(handle, "RV40toYUV420Transform");
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if(rvyuv_custom_message &&
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rvyuv_free &&
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rvyuv_hive_message &&
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rvyuv_init &&
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rvyuv_transform)
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{
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rv_handle = handle;
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return 1;
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}
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mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error resolving symbols! (version incompatibility?)\n");
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dlclose(handle);
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return 0;
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}
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#endif
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#ifdef USE_WIN32DLL
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#ifdef WIN32_LOADER
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#include "loader/ldt_keeper.h"
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#endif
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void* WINAPI LoadLibraryA(char* name);
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void* WINAPI GetProcAddress(void* handle,char* func);
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int WINAPI FreeLibrary(void *handle);
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static int load_syms_windows(char *path) {
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void *handle;
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mp_msg(MSGT_DECVIDEO,MSGL_INFO, "opening win32 dll '%s'\n", path);
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#ifdef WIN32_LOADER
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Setup_LDT_Keeper();
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#endif
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handle = LoadLibraryA(path);
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mp_msg(MSGT_DECVIDEO,MSGL_V,"win32 real codec handle=%p \n",handle);
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if (!handle) {
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mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error loading dll\n");
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return 0;
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}
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wrvyuv_custom_message = GetProcAddress(handle, "RV20toYUV420CustomMessage");
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wrvyuv_free = GetProcAddress(handle, "RV20toYUV420Free");
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wrvyuv_hive_message = GetProcAddress(handle, "RV20toYUV420HiveMessage");
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wrvyuv_init = GetProcAddress(handle, "RV20toYUV420Init");
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wrvyuv_transform = GetProcAddress(handle, "RV20toYUV420Transform");
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if(wrvyuv_custom_message &&
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wrvyuv_free &&
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wrvyuv_hive_message &&
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wrvyuv_init &&
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wrvyuv_transform)
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{
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dll_type = 1;
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rv_handle = handle;
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return 1;
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}
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mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error resolving symbols! (version incompatibility?)\n");
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FreeLibrary(handle);
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return 0; // error
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}
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#endif
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/* we need exact positions */
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struct rv_init_t {
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short unk1;
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short w;
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short h;
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short unk3;
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int unk2;
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int subformat;
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int unk5;
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int format;
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} rv_init_t;
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// init driver
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static int init(sh_video_t *sh){
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//unsigned int out_fmt;
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char *path;
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int result;
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// we export codec id and sub-id from demuxer in bitmapinfohdr:
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unsigned int* extrahdr=(unsigned int*)(sh->bih+1);
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struct rv_init_t init_data={
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11, sh->disp_w, sh->disp_h,0,0,extrahdr[0],
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1,extrahdr[1]}; // rv30
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mp_msg(MSGT_DECVIDEO,MSGL_V,"realvideo codec id: 0x%08X sub-id: 0x%08X\n",extrahdr[1],extrahdr[0]);
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path = malloc(strlen(REALCODEC_PATH)+strlen(sh->codec->dll)+2);
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if (!path) return 0;
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sprintf(path, REALCODEC_PATH "/%s", sh->codec->dll);
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/* first try to load linux dlls, if failed and we're supporting win32 dlls,
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then try to load the windows ones */
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#ifdef HAVE_LIBDL
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if(strstr(sh->codec->dll,".dll") || !load_syms_linux(path))
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#endif
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#ifdef USE_WIN32DLL
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if (!load_syms_windows(sh->codec->dll))
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#endif
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{
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingDLLcodec,sh->codec->dll);
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mp_msg(MSGT_DECVIDEO,MSGL_HINT,"Read the RealVideo section of the DOCS!\n");
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free(path);
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return 0;
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}
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free(path);
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// only I420 supported
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// if((sh->format!=0x30335652) && !mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_I420)) return 0;
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// init codec:
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sh->context=NULL;
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#ifdef USE_WIN32DLL
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if (dll_type == 1)
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result=(*wrvyuv_init)(&init_data, &sh->context);
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else
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#endif
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result=(*rvyuv_init)(&init_data, &sh->context);
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if (result){
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Couldn't open RealVideo codec, error code: 0x%X \n",result);
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return 0;
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}
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// setup rv30 codec (codec sub-type and image dimensions):
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if((sh->format<=0x30335652) && (extrahdr[1]>=0x20200002)){
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// We could read nonsense data while filling this, but input is big enough so no sig11
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uint32_t cmsg24[8]={sh->disp_w,sh->disp_h,((unsigned char *)extrahdr)[8]*4,((unsigned char *)extrahdr)[9]*4,
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((unsigned char *)extrahdr)[10]*4,((unsigned char *)extrahdr)[11]*4,
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((unsigned char *)extrahdr)[12]*4,((unsigned char *)extrahdr)[13]*4};
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cmsg_data_t cmsg_data={0x24,1+((extrahdr[0]>>16)&7), &cmsg24[0]};
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#ifdef USE_WIN32DLL
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if (dll_type == 1)
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(*wrvyuv_custom_message)(&cmsg_data,sh->context);
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else
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#endif
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(*rvyuv_custom_message)(&cmsg_data,sh->context);
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: RealVideo codec init OK!\n");
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return 1;
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}
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// uninit driver
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static void uninit(sh_video_t *sh){
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#ifdef USE_WIN32DLL
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if (dll_type == 1)
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{
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if (wrvyuv_free) wrvyuv_free(sh->context);
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} else
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#endif
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if(rvyuv_free) rvyuv_free(sh->context);
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#ifdef USE_WIN32DLL
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if (dll_type == 1)
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{
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if (rv_handle) FreeLibrary(rv_handle);
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} else
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#endif
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#ifdef HAVE_LIBDL
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if(rv_handle) dlclose(rv_handle);
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#endif
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rv_handle=NULL;
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inited = 0;
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}
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// copypaste from demux_real.c - it should match to get it working!
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typedef struct dp_hdr_s {
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uint32_t chunks; // number of chunks
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uint32_t timestamp; // timestamp from packet header
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uint32_t len; // length of actual data
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uint32_t chunktab; // offset to chunk offset array
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} dp_hdr_t;
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// decode a frame
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static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
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mp_image_t* mpi;
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unsigned long result;
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dp_hdr_t* dp_hdr=(dp_hdr_t*)data;
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unsigned char* dp_data=((unsigned char*)data)+sizeof(dp_hdr_t);
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uint32_t* extra=(uint32_t*)(((char*)data)+dp_hdr->chunktab);
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unsigned char* buffer;
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unsigned int transform_out[5];
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transform_in_t transform_in={
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dp_hdr->len, // length of the packet (sub-packets appended)
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0, // unknown, seems to be unused
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dp_hdr->chunks, // number of sub-packets - 1
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extra, // table of sub-packet offsets
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0, // unknown, seems to be unused
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dp_hdr->timestamp,// timestamp (the integer value from the stream)
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};
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if(len<=0 || flags&2) return NULL; // skipped frame || hardframedrop
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if(inited){ // rv30 width/height not yet known
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, 0 /*MP_IMGFLAG_ACCEPT_STRIDE*/,
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sh->disp_w, sh->disp_h);
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if(!mpi) return NULL;
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buffer=mpi->planes[0];
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} else {
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buffer=malloc(sh->disp_w*sh->disp_h*3/2);
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if (!buffer) return 0;
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}
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#ifdef USE_WIN32DLL
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if (dll_type == 1)
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result=(*wrvyuv_transform)(dp_data, buffer, &transform_in,
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transform_out, sh->context);
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else
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#endif
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result=(*rvyuv_transform)(dp_data, buffer, &transform_in,
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transform_out, sh->context);
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if(!inited){ // rv30 width/height now known
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sh->aspect=(float)sh->disp_w/(float)sh->disp_h;
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sh->disp_w=transform_out[3];
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sh->disp_h=transform_out[4];
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if (!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_I420)) return 0;
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, 0 /*MP_IMGFLAG_ACCEPT_STRIDE*/,
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sh->disp_w, sh->disp_h);
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if(!mpi) return NULL;
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memcpy(mpi->planes[0],buffer,sh->disp_w*sh->disp_h*3/2);
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free(buffer);
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inited=1;
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}
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return (result?NULL:mpi);
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}
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#endif
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