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 const char *g_decode_path="plugins\\drv43260.dll";
113 const char *g_decode_path="../lib/vlc/codec/drv4.so.6.0";
116 static unsigned long (*rvyuv_custom_message)(cmsg_data_t* ,void*);
117 static unsigned long (*rvyuv_free)(void*);
118 static unsigned long (*rvyuv_init)(void*, void*); // initdata,context
119 static unsigned long (*rvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
121 static unsigned long WINAPI (*wrvyuv_custom_message)(cmsg_data_t* ,void*);
122 static unsigned long WINAPI (*wrvyuv_free)(void*);
123 static unsigned long WINAPI (*wrvyuv_init)(void*, void*); // initdata,context
124 static unsigned long WINAPI (*wrvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
126 /*****************************************************************************
128 *****************************************************************************/
129 static int Open ( vlc_object_t * );
130 static void Close( vlc_object_t * );
132 //static int OpenPacketizer( vlc_object_t * );
133 static picture_t *DecodeVideo( decoder_t *, block_t ** );
136 set_description( N_("RealVideo library decoder") );
137 set_capability( "decoder", 10 );
138 set_category( CAT_INPUT );
139 set_subcategory( SUBCAT_INPUT_VCODEC );
140 set_callbacks( Open, Close );
144 /*****************************************************************************
146 *****************************************************************************/
149 static void * load_syms(decoder_t *p_dec, const char *path)
153 msg_Dbg( p_dec, "opening win32 dll '%s'\n", path);
157 handle = LoadLibraryA(path);
158 msg_Dbg( p_dec, "win32 real codec handle=%p \n",handle);
161 msg_Err( p_dec, "Error loading dll\n");
165 wrvyuv_custom_message = GetProcAddress(handle, "RV20toYUV420CustomMessage");
166 wrvyuv_free = GetProcAddress(handle, "RV20toYUV420Free");
167 wrvyuv_init = GetProcAddress(handle, "RV20toYUV420Init");
168 wrvyuv_transform = GetProcAddress(handle, "RV20toYUV420Transform");
170 if (wrvyuv_custom_message && wrvyuv_free && wrvyuv_init && wrvyuv_transform)
175 msg_Err( p_dec, "Error resolving symbols! (version incompatibility?)\n");
177 return NULL; // error
180 static void * load_syms_linux(decoder_t *p_dec, const char *path)
184 msg_Dbg( p_dec, "opening shared obj '%s'\n", path);
186 handle = dlopen (path, RTLD_LAZY);
189 msg_Err( p_dec,"Error: %s\n",dlerror());
193 rvyuv_custom_message = dlsym(handle, "RV20toYUV420CustomMessage");
194 rvyuv_free = dlsym(handle, "RV20toYUV420Free");
195 rvyuv_init = dlsym(handle, "RV20toYUV420Init");
196 rvyuv_transform = dlsym(handle, "RV20toYUV420Transform");
198 if(rvyuv_custom_message && rvyuv_free && rvyuv_init && rvyuv_transform)
204 msg_Err( p_dec,"Error resolving symbols! (version incompatibility?)\n");
210 static int InitVideo(decoder_t *p_dec)
213 struct rv_init_t init_data;
216 int i_vide = p_dec->fmt_in.i_extra;
217 unsigned int *p_vide = p_dec->fmt_in.p_extra;
218 decoder_sys_t *p_sys = malloc( sizeof( decoder_sys_t ) );
219 memset(p_sys,0,sizeof( decoder_sys_t ) );
223 msg_Err( p_dec, "missing extra info" );
227 if (p_sys->plane) free(p_sys->plane);
228 p_sys->plane = malloc (p_dec->fmt_in.video.i_width*p_dec->fmt_in.video.i_height*3/2 + 1024 );
229 if (NULL == p_sys->plane)
231 msg_Err( p_dec, "cannot alloc plane buffer" );
236 p_dec->p_sys = p_sys;
237 p_dec->pf_decode_video = DecodeVideo;
239 memcpy( fcc, &p_dec->fmt_in.i_codec, 4 );
241 init_data.w = p_dec->fmt_in.video.i_width ;
242 init_data.h = p_dec->fmt_in.video.i_height ;
245 init_data.subformat = (unsigned int*)p_vide[0];
247 init_data.format = (unsigned int*)p_vide[1];
249 /* first try to load linux dlls, if failed and we're supporting win32 dlls,
250 then try to load the windows ones */
252 if ( NULL== (p_sys->rv_handle = load_syms(p_dec, g_decode_path)) )
254 if ( NULL== (p_sys->rv_handle = load_syms_linux(p_dec, g_decode_path)) )
257 msg_Err( p_dec, "Cannot load real decoder library: %s", g_decode_path);
262 lock = var_AcquireMutex( "rm_mutex" );
269 result=(*wrvyuv_init)(&init_data, &p_sys->handle);
272 result=(*rvyuv_init)(&init_data, &p_sys->handle);
275 msg_Err( p_dec, "Cannot Init real decoder library: %s", g_decode_path);
280 /* setup rv30 codec (codec sub-type and image dimensions): */
281 /*if ( p_dec->fmt_in.i_codec == VLC_FOURCC('R','V','3','0') )*/
282 if (p_vide[1]>=0x20200002)
285 uint32_t cmsg24[16]={p_dec->fmt_in.video.i_width,p_dec->fmt_in.video.i_height};
286 cmsg_data_t cmsg_data={0x24,1+(p_vide[1]&7), &cmsg24[0]};
287 cmsg_cnt = (p_vide[1]&7)*2;
288 if (i_vide - 8 < cmsg_cnt) {
289 cmsg_cnt = i_vide - 8;
291 for (i = 0; i < cmsg_cnt; i++)
292 cmsg24[2+i] = p_vide[8+i]*4;
295 (*wrvyuv_custom_message)(&cmsg_data,p_sys->handle);
298 (*rvyuv_custom_message)(&cmsg_data,p_sys->handle);
301 es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','V','1','2' ));
302 es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','U','Y','2' ));
304 es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'I', '4', '2', '0'));
306 p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
307 p_dec->fmt_out.video.i_height= p_dec->fmt_in.video.i_height;
308 p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
311 vlc_mutex_unlock( lock );
315 /*****************************************************************************
316 * Open: probe the decoder and return score
317 *****************************************************************************
318 * Tries to launch a decoder and return score so that the interface is able
320 *****************************************************************************/
321 static int Open( vlc_object_t *p_this )
323 decoder_t *p_dec = (decoder_t*)p_this;
326 var_Create( p_this->p_libvlc, "rm_mutex", VLC_VAR_MUTEX );
328 switch ( p_dec->fmt_in.i_codec )
330 case VLC_FOURCC('R','V','1','0'):
331 case VLC_FOURCC('R','V','2','0'):
332 case VLC_FOURCC('R','V','3','0'):
333 case VLC_FOURCC('R','V','4','0'):
335 p_dec->pf_decode_video = DecodeVideo;
336 return InitVideo(p_dec);
343 /*****************************************************************************
345 *****************************************************************************/
346 static void Close( vlc_object_t *p_this )
348 decoder_t *p_dec = (decoder_t*)p_this;
349 decoder_sys_t *p_sys = p_dec->p_sys;
352 /* get lock, avoid segfault */
353 lock = var_AcquireMutex( "rm_mutex" );
359 wrvyuv_free(p_sys->handle);
364 rvyuv_free(p_sys->handle);
368 if (p_sys->rv_handle)
369 FreeLibrary(p_sys->rv_handle);
373 p_sys->rv_handle=NULL;
381 msg_Dbg( p_dec, "FreeLibrary ok." );
383 Restore_LDT_Keeper( p_sys->ldt_fs );
384 msg_Dbg( p_dec, "Restore_LDT_Keeper" );
389 vlc_mutex_unlock( lock );
395 /*****************************************************************************
397 *****************************************************************************/
398 static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
400 decoder_sys_t *p_sys = p_dec->p_sys;
407 /* We must do open and close in the same thread (unless we do
408 * Setup_LDT_Keeper in the main thread before all others */
409 if ( pp_block == NULL || *pp_block == NULL )
416 i_pts = p_block->i_pts ? p_block->i_pts : p_block->i_dts;
418 lock = var_AcquireMutex( "rm_mutex" );
422 p_pic = p_dec->pf_vout_buffer_new( p_dec );
426 unsigned int transform_out[5];
428 transform_in_t transform_in;
429 uint32_t pkg_len = ((uint32_t*)p_block->p_buffer)[0];
430 unsigned char* dp_data=((unsigned char*)p_block->p_buffer)+8;
431 uint32_t* extra=(uint32_t*)(((char*)p_block->p_buffer)+8+pkg_len);
435 dp_hdr.len = pkg_len;
436 dp_hdr.chunktab = 8 + pkg_len;
437 dp_hdr.chunks = ((uint32_t*)p_block->p_buffer)[1]-1;
438 dp_hdr.timestamp = i_pts;
440 memset(&transform_in, 0, sizeof(transform_in_t));
442 transform_in.len = dp_hdr.len;
443 transform_in.extra = extra;
444 transform_in.chunks = dp_hdr.chunks;
445 transform_in.timestamp = dp_hdr.timestamp;
447 memset (p_sys->plane, 0, p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height *3/2 );
451 result=(*wrvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
454 result=(*rvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
456 /* msg_Warn(p_dec, "Real Size %d X %d", transform_out[3],
457 transform_out[4]); */
458 /* some bug rm file will print the messages :
459 [00000551] realvideo decoder warning: Real Size 320 X 240
460 [00000551] realvideo decoder warning: Real Size 480 X 272
461 [00000551] realvideo decoder warning: Real Size 320 X 240
462 [00000551] realvideo decoder warning: Real Size 320 X 240
466 if ( p_sys->inited == 0 )
468 /* fix and get the correct image size! */
469 if ( p_dec->fmt_in.video.i_width != transform_out[3]
470 || p_dec->fmt_in.video.i_height != transform_out[4] )
472 msg_Warn(p_dec, "Warning, Real's Header give a wrong "
473 "information about media's width and height!\n"
474 "\tRealHeader: \t %d X %d \t %d X %d",
475 p_dec->fmt_in.video.i_width,
476 p_dec->fmt_in.video.i_height,
477 transform_out[3],transform_out[4]);
479 if ( p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height >= transform_out[3] * transform_out[4] )
481 p_dec->fmt_out.video.i_width =
482 p_dec->fmt_out.video.i_visible_width =
483 p_dec->fmt_in.video.i_width = transform_out[3] ;
485 p_dec->fmt_out.video.i_height=
486 p_dec->fmt_out.video.i_visible_height =
487 p_dec->fmt_in.video.i_height= transform_out[4];
489 p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
493 // TODO: realloc plane's size! but [in fact] it maybe not happen!
494 msg_Err(p_dec,"plane space not enough ,skip");
500 img_size = p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height;
501 memcpy( p_pic->p[0].p_pixels, p_sys->plane, img_size);
502 memcpy( p_pic->p[1].p_pixels, p_sys->plane + img_size, img_size/4);
503 memcpy( p_pic->p[2].p_pixels, p_sys->plane + img_size * 5/4, img_size/4);
504 p_pic->date = i_pts ;
506 /* real video frame is small( frame and frame's time-shift is short),
507 so it will become late picture easier (when render-time changed)and
508 droped by video-output.*/
512 vlc_mutex_unlock( lock );
514 block_Release( p_block );