1 /*****************************************************************************
2 * realvideo.c: a realvideo decoder that uses the real's dll
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
5 * Copyright (C) 2008 Wang Bo
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
20 *****************************************************************************/
22 /*****************************************************************************
24 *****************************************************************************/
29 #include <vlc_common.h>
30 #include <vlc_plugin.h>
32 #include <vlc_codec.h>
35 /* Need the w32dll loader from mplayer */
36 # include <wine/winerror.h>
37 # include <ldt_keeper.h>
38 # include <wine/windef.h>
40 void *WINAPI LoadLibraryA( char *name );
41 void *WINAPI GetProcAddress( void *handle, char *func );
42 int WINAPI FreeLibrary( void *handle );
49 #if defined(HAVE_DL_DLOPEN)
50 # if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
53 # if defined(HAVE_SYS_DL_H)
58 typedef struct cmsg_data_s
65 typedef struct transform_in_s
75 // copypaste from demux_real.c - it should match to get it working!
76 typedef struct dp_hdr_s
78 uint32_t chunks; // number of chunks
79 uint32_t timestamp; // timestamp from packet header
80 uint32_t len; // length of actual data
81 uint32_t chunktab; // offset to chunk offset array
84 /* we need exact positions */
92 unsigned int * subformat;
94 unsigned int * format;
111 static unsigned long (*rvyuv_custom_message)(cmsg_data_t* ,void*);
112 static unsigned long (*rvyuv_free)(void*);
113 static unsigned long (*rvyuv_init)(void*, void*); // initdata,context
114 static unsigned long (*rvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
116 static unsigned long WINAPI (*wrvyuv_custom_message)(cmsg_data_t* ,void*);
117 static unsigned long WINAPI (*wrvyuv_free)(void*);
118 static unsigned long WINAPI (*wrvyuv_init)(void*, void*); // initdata,context
119 static unsigned long WINAPI (*wrvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
122 /*****************************************************************************
124 *****************************************************************************/
125 static int Open ( vlc_object_t * );
126 static void Close( vlc_object_t * );
128 //static int OpenPacketizer( vlc_object_t * );
129 static picture_t *DecodeVideo( decoder_t *, block_t ** );
132 set_description( N_("RealVideo library decoder") );
133 set_capability( "decoder", 10 );
134 set_category( CAT_INPUT );
135 set_subcategory( SUBCAT_INPUT_VCODEC );
136 set_callbacks( Open, Close );
140 /*****************************************************************************
142 *****************************************************************************/
145 static void * load_syms(decoder_t *p_dec, const char *path)
149 msg_Dbg( p_dec, "opening win32 dll '%s'\n", path);
153 handle = LoadLibraryA(path);
154 msg_Dbg( p_dec, "win32 real codec handle=%p \n",handle);
157 msg_Err( p_dec, "Error loading dll\n");
161 wrvyuv_custom_message = GetProcAddress(handle, "RV20toYUV420CustomMessage");
162 wrvyuv_free = GetProcAddress(handle, "RV20toYUV420Free");
163 wrvyuv_init = GetProcAddress(handle, "RV20toYUV420Init");
164 wrvyuv_transform = GetProcAddress(handle, "RV20toYUV420Transform");
166 if (wrvyuv_custom_message && wrvyuv_free && wrvyuv_init && wrvyuv_transform)
171 msg_Err( p_dec, "Error resolving symbols! (version incompatibility?)\n");
173 return NULL; // error
176 static void * load_syms_linux(decoder_t *p_dec, const char *path)
180 msg_Dbg( p_dec, "opening shared obj '%s'\n", path);
182 handle = dlopen (path, RTLD_LAZY);
185 msg_Err( p_dec,"Error: %s\n",dlerror());
189 rvyuv_custom_message = dlsym(handle, "RV20toYUV420CustomMessage");
190 rvyuv_free = dlsym(handle, "RV20toYUV420Free");
191 rvyuv_init = dlsym(handle, "RV20toYUV420Init");
192 rvyuv_transform = dlsym(handle, "RV20toYUV420Transform");
194 if(rvyuv_custom_message && rvyuv_free && rvyuv_init && rvyuv_transform)
200 msg_Err( p_dec,"Error resolving symbols! (version incompatibility?)\n");
206 static int InitVideo(decoder_t *p_dec)
209 struct rv_init_t init_data;
214 int i_vide = p_dec->fmt_in.i_extra;
215 unsigned int *p_vide = p_dec->fmt_in.p_extra;
216 decoder_sys_t *p_sys = malloc( sizeof( decoder_sys_t ) );
217 memset(p_sys,0,sizeof( decoder_sys_t ) );
221 msg_Err( p_dec, "missing extra info" );
225 if (p_sys->plane) free(p_sys->plane);
226 p_sys->plane = malloc (p_dec->fmt_in.video.i_width*p_dec->fmt_in.video.i_height*3/2 + 1024 );
227 if (NULL == p_sys->plane)
229 msg_Err( p_dec, "cannot alloc plane buffer" );
234 p_dec->p_sys = p_sys;
235 p_dec->pf_decode_video = DecodeVideo;
237 memcpy( fcc, &p_dec->fmt_in.i_codec, 4 );
239 init_data.w = p_dec->fmt_in.video.i_width ;
240 init_data.h = p_dec->fmt_in.video.i_height ;
243 init_data.subformat = (unsigned int*)p_vide[0];
245 init_data.format = (unsigned int*)p_vide[1];
247 /* first try to load linux dlls, if failed and we're supporting win32 dlls,
248 then try to load the windows ones */
249 bool b_so_opened = false;
252 g_decode_path="plugins\\drv43260.dll";
254 if( (p_sys->rv_handle = load_syms(p_dec, g_decode_path)) )
257 static const char psz_paths[] =
261 "/usr/local/RealPlayer8/Codecs\0"
262 "/usr/RealPlayer8/Codecs\0"
263 "/usr/lib/RealPlayer8/Codecs\0"
264 "/opt/RealPlayer8/Codecs\0"
265 "/usr/lib/RealPlayer9/users/Real/Codecs\0"
266 "/usr/lib/RealPlayer10/codecs\0"
267 "/usr/lib/RealPlayer10GOLD/codecs\0"
268 "/usr/lib/helix/player/codecs\0"
269 "/usr/lib64/RealPlayer8/Codecs\0"
270 "/usr/lib64/RealPlayer9/users/Real/Codecs\0"
271 "/usr/lib64/RealPlayer10/codecs\0"
272 "/usr/lib64/RealPlayer10GOLD/codecs\0"
273 "/usr/local/lib/codecs\0"
277 for( size_t i = 0; psz_paths[i]; i += strlen( psz_paths + i ) + 1 )
279 if( asprintf( &g_decode_path, "%s/drv4.so.6.0", psz_paths + i ) != -1 )
281 p_sys->rv_handle = load_syms_linux(p_dec, g_decode_path);
282 free( g_decode_path );
284 if( p_sys->rv_handle )
290 if( asprintf( &g_decode_path, "%s/drv3.so.6.0", psz_paths + i ) != -1 )
292 p_sys->rv_handle = load_syms_linux(p_dec, g_decode_path);
293 free( g_decode_path );
295 if( p_sys->rv_handle )
301 msg_Dbg( p_dec, "Cannot load real decoder library: %s", g_decode_path);
307 msg_Err( p_dec, "Cannot any real decoder library" );
312 lock = var_AcquireMutex( "rm_mutex" );
319 result=(*wrvyuv_init)(&init_data, &p_sys->handle);
322 result=(*rvyuv_init)(&init_data, &p_sys->handle);
325 msg_Err( p_dec, "Cannot Init real decoder library: %s", g_decode_path);
330 /* setup rv30 codec (codec sub-type and image dimensions): */
331 /*if ( p_dec->fmt_in.i_codec == VLC_FOURCC('R','V','3','0') )*/
332 if (p_vide[1]>=0x20200002)
335 uint32_t cmsg24[16]={p_dec->fmt_in.video.i_width,p_dec->fmt_in.video.i_height};
336 cmsg_data_t cmsg_data={0x24,1+(p_vide[1]&7), &cmsg24[0]};
337 cmsg_cnt = (p_vide[1]&7)*2;
338 if (i_vide - 8 < cmsg_cnt) {
339 cmsg_cnt = i_vide - 8;
341 for (i = 0; i < cmsg_cnt; i++)
342 cmsg24[2+i] = p_vide[8+i]*4;
345 (*wrvyuv_custom_message)(&cmsg_data,p_sys->handle);
348 (*rvyuv_custom_message)(&cmsg_data,p_sys->handle);
351 es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','V','1','2' ));
352 es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','U','Y','2' ));
354 es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'I', '4', '2', '0'));
356 p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
357 p_dec->fmt_out.video.i_height= p_dec->fmt_in.video.i_height;
358 p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
361 vlc_mutex_unlock( lock );
365 /*****************************************************************************
366 * Open: probe the decoder and return score
367 *****************************************************************************
368 * Tries to launch a decoder and return score so that the interface is able
370 *****************************************************************************/
371 static int Open( vlc_object_t *p_this )
373 decoder_t *p_dec = (decoder_t*)p_this;
376 var_Create( p_this->p_libvlc, "rm_mutex", VLC_VAR_MUTEX );
378 switch ( p_dec->fmt_in.i_codec )
380 case VLC_FOURCC('R','V','1','0'):
381 case VLC_FOURCC('R','V','2','0'):
382 case VLC_FOURCC('R','V','3','0'):
383 case VLC_FOURCC('R','V','4','0'):
385 p_dec->pf_decode_video = DecodeVideo;
386 return InitVideo(p_dec);
393 /*****************************************************************************
395 *****************************************************************************/
396 static void Close( vlc_object_t *p_this )
398 decoder_t *p_dec = (decoder_t*)p_this;
399 decoder_sys_t *p_sys = p_dec->p_sys;
402 /* get lock, avoid segfault */
403 lock = var_AcquireMutex( "rm_mutex" );
409 wrvyuv_free(p_sys->handle);
414 rvyuv_free(p_sys->handle);
418 if (p_sys->rv_handle)
419 FreeLibrary(p_sys->rv_handle);
423 p_sys->rv_handle=NULL;
431 msg_Dbg( p_dec, "FreeLibrary ok." );
433 Restore_LDT_Keeper( p_sys->ldt_fs );
434 msg_Dbg( p_dec, "Restore_LDT_Keeper" );
439 vlc_mutex_unlock( lock );
445 /*****************************************************************************
447 *****************************************************************************/
448 static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
450 decoder_sys_t *p_sys = p_dec->p_sys;
457 /* We must do open and close in the same thread (unless we do
458 * Setup_LDT_Keeper in the main thread before all others */
459 if ( pp_block == NULL || *pp_block == NULL )
466 i_pts = p_block->i_pts ? p_block->i_pts : p_block->i_dts;
468 lock = var_AcquireMutex( "rm_mutex" );
472 p_pic = p_dec->pf_vout_buffer_new( p_dec );
476 unsigned int transform_out[5];
478 transform_in_t transform_in;
479 uint32_t pkg_len = ((uint32_t*)p_block->p_buffer)[0];
480 unsigned char* dp_data=((unsigned char*)p_block->p_buffer)+8;
481 uint32_t* extra=(uint32_t*)(((char*)p_block->p_buffer)+8+pkg_len);
485 dp_hdr.len = pkg_len;
486 dp_hdr.chunktab = 8 + pkg_len;
487 dp_hdr.chunks = ((uint32_t*)p_block->p_buffer)[1]-1;
488 dp_hdr.timestamp = i_pts;
490 memset(&transform_in, 0, sizeof(transform_in_t));
492 transform_in.len = dp_hdr.len;
493 transform_in.extra = extra;
494 transform_in.chunks = dp_hdr.chunks;
495 transform_in.timestamp = dp_hdr.timestamp;
497 memset (p_sys->plane, 0, p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height *3/2 );
501 result=(*wrvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
504 result=(*rvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
506 /* msg_Warn(p_dec, "Real Size %d X %d", transform_out[3],
507 transform_out[4]); */
508 /* some bug rm file will print the messages :
509 [00000551] realvideo decoder warning: Real Size 320 X 240
510 [00000551] realvideo decoder warning: Real Size 480 X 272
511 [00000551] realvideo decoder warning: Real Size 320 X 240
512 [00000551] realvideo decoder warning: Real Size 320 X 240
516 if ( p_sys->inited == 0 )
518 /* fix and get the correct image size! */
519 if ( p_dec->fmt_in.video.i_width != transform_out[3]
520 || p_dec->fmt_in.video.i_height != transform_out[4] )
522 msg_Warn(p_dec, "Warning, Real's Header give a wrong "
523 "information about media's width and height!\n"
524 "\tRealHeader: \t %d X %d \t %d X %d",
525 p_dec->fmt_in.video.i_width,
526 p_dec->fmt_in.video.i_height,
527 transform_out[3],transform_out[4]);
529 if ( p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height >= transform_out[3] * transform_out[4] )
531 p_dec->fmt_out.video.i_width =
532 p_dec->fmt_out.video.i_visible_width =
533 p_dec->fmt_in.video.i_width = transform_out[3] ;
535 p_dec->fmt_out.video.i_height=
536 p_dec->fmt_out.video.i_visible_height =
537 p_dec->fmt_in.video.i_height= transform_out[4];
539 p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
543 // TODO: realloc plane's size! but [in fact] it maybe not happen!
544 msg_Err(p_dec,"plane space not enough ,skip");
550 img_size = p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height;
551 memcpy( p_pic->p[0].p_pixels, p_sys->plane, img_size);
552 memcpy( p_pic->p[1].p_pixels, p_sys->plane + img_size, img_size/4);
553 memcpy( p_pic->p[2].p_pixels, p_sys->plane + img_size * 5/4, img_size/4);
554 p_pic->date = i_pts ;
556 /* real video frame is small( frame and frame's time-shift is short),
557 so it will become late picture easier (when render-time changed)and
558 droped by video-output.*/
562 vlc_mutex_unlock( lock );
564 block_Release( p_block );