1 /*****************************************************************************
2 * realaudio.c: a realaudio decoder that uses the realaudio library/dll
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
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 /*****************************************************************************
60 *****************************************************************************/
61 static int Open ( vlc_object_t * );
62 static void Close( vlc_object_t * );
65 set_description( N_("RealAudio library decoder") );
66 set_capability( "decoder", 10 );
67 set_category( CAT_INPUT );
68 set_subcategory( SUBCAT_INPUT_VCODEC );
69 set_callbacks( Open, Close );
72 /*****************************************************************************
74 *****************************************************************************/
75 static int OpenDll( decoder_t * );
76 static int OpenNativeDll( decoder_t *, char *, char * );
77 static int OpenWin32Dll( decoder_t *, char *, char * );
78 static void CloseDll( decoder_t * );
80 static aout_buffer_t *Decode( decoder_t *, block_t ** );
84 audio_date_t end_date;
92 short int i_codec_flavor;
95 unsigned long (*raCloseCodec)(void*);
96 unsigned long (*raDecode)(void*, char*, unsigned long, char*,
98 unsigned long (*raFlush)(unsigned long, unsigned long, unsigned long);
99 unsigned long (*raFreeDecoder)(void*);
100 void* (*raGetFlavorProperty)(void*, unsigned long,
101 unsigned long, int*);
102 unsigned long (*raInitDecoder)(void*, void*);
103 unsigned long (*raOpenCodec)(void*);
104 unsigned long (*raOpenCodec2)(void*, void*);
105 unsigned long (*raSetFlavor)(void*, unsigned long);
106 void (*raSetDLLAccessPath)(char*);
107 void (*raSetPwd)(char*, char*);
114 unsigned long (WINAPI *wraCloseCodec)(void*);
115 unsigned long (WINAPI *wraDecode)(void*, char*, unsigned long, char*,
116 unsigned int*, long);
117 unsigned long (WINAPI *wraFlush)(unsigned long, unsigned long,
119 unsigned long (WINAPI *wraFreeDecoder)(void*);
120 void* (WINAPI *wraGetFlavorProperty)(void*, unsigned long,
121 unsigned long, int*);
122 unsigned long (WINAPI *wraInitDecoder)(void*, void*);
123 unsigned long (WINAPI *wraOpenCodec)(void*);
124 unsigned long (WINAPI *wraOpenCodec2)(void*, void*);
125 unsigned long (WINAPI *wraSetFlavor)(void*, unsigned long);
126 void (WINAPI *wraSetDLLAccessPath)(char*);
127 void (WINAPI *wraSetPwd)(char*, char*);
130 /* linux dlls doesn't need packing */
131 typedef struct /*__attribute__((__packed__))*/ {
136 /* 2bytes padding here, by gcc */
143 /* windows dlls need packed structs (no padding) */
144 typedef struct __attribute__((__packed__)) {
155 void *__builtin_new(unsigned long size) {return malloc(size);}
156 void __builtin_delete(void *p) {free(p);}
158 static int pi_channels_maps[7] =
162 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
163 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
164 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
165 | AOUT_CHAN_REARRIGHT,
166 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
167 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
168 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
169 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
172 /*****************************************************************************
173 * Open: probe the decoder and return score
174 *****************************************************************************
175 * Tries to launch a decoder and return score so that the interface is able
177 *****************************************************************************/
178 static int Open( vlc_object_t *p_this )
180 decoder_t *p_dec = (decoder_t*)p_this;
181 decoder_sys_t *p_sys = p_dec->p_sys;
183 switch( p_dec->fmt_in.i_codec )
185 case VLC_FOURCC('c','o','o','k'):
186 case VLC_FOURCC('a','t','r','c'):
187 case VLC_FOURCC('s','i','p','r'):
194 /* Channel detection */
195 if( p_dec->fmt_in.audio.i_channels <= 0 ||
196 p_dec->fmt_in.audio.i_channels > 6 )
198 msg_Err( p_dec, "invalid number of channels (not between 1 and 6): %i",
199 p_dec->fmt_in.audio.i_channels );
203 p_dec->p_sys = p_sys = malloc( sizeof( decoder_sys_t ) );
206 memset( p_sys, 0, sizeof(decoder_sys_t) );
208 /* Flavor for SIPR codecs */
209 p_sys->i_codec_flavor = -1;
210 if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','i','p','r') )
212 p_sys->i_codec_flavor = p_dec->fmt_in.audio.i_flavor;
213 msg_Dbg( p_dec, "Got sipr flavor %d", p_sys->i_codec_flavor );
216 if( OpenDll( p_dec ) != VLC_SUCCESS )
223 if( p_sys->win32_dll ) Close( p_this );
226 es_format_Init( &p_dec->fmt_out, AUDIO_ES, AOUT_FMT_S16_NE );
227 p_dec->fmt_out.audio.i_rate = p_dec->fmt_in.audio.i_rate;
228 p_dec->fmt_out.audio.i_channels = p_dec->fmt_in.audio.i_channels;
229 p_dec->fmt_out.audio.i_bitspersample =
230 p_dec->fmt_in.audio.i_bitspersample;
231 p_dec->fmt_out.audio.i_physical_channels =
232 p_dec->fmt_out.audio.i_original_channels =
233 pi_channels_maps[p_dec->fmt_out.audio.i_channels];
235 aout_DateInit( &p_sys->end_date, p_dec->fmt_out.audio.i_rate );
236 aout_DateSet( &p_sys->end_date, 0 );
238 p_dec->pf_decode_audio = Decode;
240 p_sys->p_out = malloc( 4096 * 10 );
251 /*****************************************************************************
253 *****************************************************************************/
254 static void Close( vlc_object_t *p_this )
256 decoder_t *p_dec = (decoder_t*)p_this;
259 free( p_dec->p_sys->p_out );
260 free( p_dec->p_sys );
263 /*****************************************************************************
265 *****************************************************************************/
266 static int OpenDll( decoder_t *p_dec )
271 /** Find the good path for the dlls.**/
276 "/usr/local/RealPlayer8/Codecs",
277 "/usr/RealPlayer8/Codecs",
278 "/usr/lib/RealPlayer8/Codecs",
279 "/opt/RealPlayer8/Codecs",
280 "/usr/lib/RealPlayer9/users/Real/Codecs",
281 "/usr/lib/RealPlayer10/codecs",
282 "/usr/lib/RealPlayer10GOLD/codecs",
283 "/usr/lib/helix/player/codecs",
284 "/usr/lib64/RealPlayer8/Codecs",
285 "/usr/lib64/RealPlayer9/users/Real/Codecs",
286 "/usr/lib64/RealPlayer10/codecs",
287 "/usr/lib64/RealPlayer10GOLD/codecs",
290 "/usr/local/lib/codecs",
298 char psz_win32_real_codecs[MAX_PATH + 1];
299 char psz_win32_helix_codecs[MAX_PATH + 1];
303 DWORD i_type, i_data = MAX_PATH + 1, i_index = 1;
306 p_data = psz_win32_real_codecs;
307 if( RegOpenKeyEx( HKEY_CLASSES_ROOT,
308 _T("Software\\RealNetworks\\Preferences\\DT_Codecs"),
309 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
311 if( RegQueryValueEx( h_key, _T(""), 0, &i_type,
312 (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS &&
315 int i_len = strlen( p_data );
316 if( i_len && p_data[i_len-1] == '\\' ) p_data[i_len-1] = 0;
317 ppsz_path[i_index++] = p_data;
318 msg_Err( p_dec, "Real: %s", p_data );
320 RegCloseKey( h_key );
323 p_data = psz_win32_helix_codecs;
324 if( RegOpenKeyEx( HKEY_CLASSES_ROOT,
325 _T("Helix\\HelixSDK\\10.0\\Preferences\\DT_Codecs"),
326 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
328 if( RegQueryValueEx( h_key, _T(""), 0, &i_type,
329 (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS &&
332 int i_len = strlen( p_data );
333 if( i_len && p_data[i_len-1] == '\\' ) p_data[i_len-1] = 0;
334 ppsz_path[i_index++] = p_data;
335 msg_Err( p_dec, "Real: %s", p_data );
337 RegCloseKey( h_key );
343 /** Try the native libraries first **/
345 for( i = 0; ppsz_path[i]; i++ )
348 asprintf( &psz_dll, "%s/%4.4s.so.6.0", ppsz_path[i],
349 (char *)&p_dec->fmt_in.i_codec );
350 i_result = OpenNativeDll( p_dec, ppsz_path[i], psz_dll );
352 if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
355 asprintf( &psz_dll, "%s/%4.4s.so", ppsz_path[i],
356 (char *)&p_dec->fmt_in.i_codec );
357 i_result = OpenNativeDll( p_dec, ppsz_path[i], psz_dll );
359 if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
364 /** Or use the WIN32 dlls **/
365 #if defined(LOADER) || defined(WIN32)
366 for( i = 0; ppsz_path[i]; i++ )
369 asprintf( &psz_dll, "%s\\%4.4s.dll", ppsz_path[i],
370 (char *)&p_dec->fmt_in.i_codec );
371 i_result = OpenWin32Dll( p_dec, ppsz_path[i], psz_dll );
373 if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
376 asprintf( &psz_dll, "%s\\%4.4s3260.dll", ppsz_path[i],
377 (char *)&p_dec->fmt_in.i_codec );
378 i_result = OpenWin32Dll( p_dec, ppsz_path[i], psz_dll );
380 if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
387 static int OpenNativeDll( decoder_t *p_dec, char *psz_path, char *psz_dll )
389 #if defined(HAVE_DL_DLOPEN)
390 decoder_sys_t *p_sys = p_dec->p_sys;
391 void *handle = 0, *context = 0;
392 unsigned int i_result;
396 ra_init_t init_data =
398 p_dec->fmt_in.audio.i_rate,
399 p_dec->fmt_in.audio.i_bitspersample,
400 p_dec->fmt_in.audio.i_channels,
402 p_dec->fmt_in.audio.i_blockalign, /* subpacket size */
403 p_dec->fmt_in.audio.i_blockalign, /* coded frame size */
404 p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra
407 msg_Dbg( p_dec, "opening library '%s'", psz_dll );
408 if( !(handle = dlopen( psz_dll, RTLD_LAZY )) )
410 msg_Dbg( p_dec, "couldn't load library '%s' (%s)",
411 psz_dll, dlerror() );
415 p_sys->raCloseCodec = dlsym( handle, "RACloseCodec" );
416 p_sys->raDecode = dlsym( handle, "RADecode" );
417 p_sys->raFlush = dlsym( handle, "RAFlush" );
418 p_sys->raFreeDecoder = dlsym( handle, "RAFreeDecoder" );
419 p_sys->raGetFlavorProperty = dlsym( handle, "RAGetFlavorProperty" );
420 p_sys->raOpenCodec = dlsym( handle, "RAOpenCodec" );
421 p_sys->raOpenCodec2 = dlsym( handle, "RAOpenCodec2" );
422 p_sys->raInitDecoder = dlsym( handle, "RAInitDecoder" );
423 p_sys->raSetFlavor = dlsym( handle, "RASetFlavor" );
424 p_sys->raSetDLLAccessPath = dlsym( handle, "SetDLLAccessPath" );
425 p_sys->raSetPwd = dlsym( handle, "RASetPwd" ); // optional, used by SIPR
427 if( !(p_sys->raOpenCodec || p_sys->raOpenCodec2) ||
428 !p_sys->raCloseCodec || !p_sys->raInitDecoder ||
429 !p_sys->raDecode || !p_sys->raFreeDecoder ||
430 !p_sys->raGetFlavorProperty || !p_sys->raSetFlavor
431 /* || !p_sys->raFlush || !p_sys->raSetDLLAccessPath */ )
436 if( p_sys->raOpenCodec2 )
437 i_result = p_sys->raOpenCodec2( &context, psz_path );
439 i_result = p_sys->raOpenCodec( &context );
443 msg_Err( p_dec, "decoder open failed, error code: 0x%x", i_result );
447 i_result = p_sys->raInitDecoder( context, &init_data );
450 msg_Err( p_dec, "decoder init failed, error code: 0x%x", i_result );
454 if( p_sys->i_codec_flavor >= 0 )
456 i_result = p_sys->raSetFlavor( context, p_sys->i_codec_flavor );
459 msg_Err( p_dec, "decoder flavor setup failed, error code: 0x%x",
464 p_prop = p_sys->raGetFlavorProperty( context, p_sys->i_codec_flavor,
466 msg_Dbg( p_dec, "audio codec: [%d] %s",
467 p_sys->i_codec_flavor, (char *)p_prop );
469 p_prop = p_sys->raGetFlavorProperty( context, p_sys->i_codec_flavor,
473 int i_bps = ((*((int*)p_prop))+4)/8;
474 msg_Dbg( p_dec, "audio bitrate: %5.3f kbit/s (%d bps)",
475 (*((int*)p_prop))*0.001f, i_bps );
479 p_sys->context = context;
484 if( context ) p_sys->raFreeDecoder( context );
485 if( context ) p_sys->raCloseCodec( context );
492 static int OpenWin32Dll( decoder_t *p_dec, char *psz_path, char *psz_dll )
494 #if defined(LOADER) || defined(WIN32)
495 decoder_sys_t *p_sys = p_dec->p_sys;
496 void *handle = 0, *context = 0;
497 unsigned int i_result;
501 wra_init_t init_data =
503 p_dec->fmt_in.audio.i_rate,
504 p_dec->fmt_in.audio.i_bitspersample,
505 p_dec->fmt_in.audio.i_channels,
507 p_dec->fmt_in.audio.i_blockalign, /* subpacket size */
508 p_dec->fmt_in.audio.i_blockalign, /* coded frame size */
509 p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra
512 msg_Dbg( p_dec, "opening win32 dll '%s'", psz_dll );
518 if( !(handle = LoadLibraryA( psz_dll )) )
520 msg_Dbg( p_dec, "couldn't load dll '%s'", psz_dll );
524 p_sys->wraCloseCodec = GetProcAddress( handle, "RACloseCodec" );
525 p_sys->wraDecode = GetProcAddress( handle, "RADecode" );
526 p_sys->wraFlush = GetProcAddress( handle, "RAFlush" );
527 p_sys->wraFreeDecoder = GetProcAddress( handle, "RAFreeDecoder" );
528 p_sys->wraGetFlavorProperty =
529 GetProcAddress( handle, "RAGetFlavorProperty" );
530 p_sys->wraOpenCodec = GetProcAddress( handle, "RAOpenCodec" );
531 p_sys->wraOpenCodec2 = GetProcAddress( handle, "RAOpenCodec2" );
532 p_sys->wraInitDecoder = GetProcAddress( handle, "RAInitDecoder" );
533 p_sys->wraSetFlavor = GetProcAddress( handle, "RASetFlavor" );
534 p_sys->wraSetDLLAccessPath = GetProcAddress( handle, "SetDLLAccessPath" );
536 GetProcAddress( handle, "RASetPwd" ); // optional, used by SIPR
538 if( !(p_sys->wraOpenCodec || p_sys->wraOpenCodec2) ||
539 !p_sys->wraCloseCodec || !p_sys->wraInitDecoder ||
540 !p_sys->wraDecode || !p_sys->wraFreeDecoder ||
541 !p_sys->wraGetFlavorProperty || !p_sys->wraSetFlavor
542 /* || !p_sys->wraFlush || !p_sys->wraSetDLLAccessPath */ )
544 FreeLibrary( handle );
548 if( p_sys->wraOpenCodec2 )
549 i_result = p_sys->wraOpenCodec2( &context, psz_path );
551 i_result = p_sys->wraOpenCodec( &context );
555 msg_Err( p_dec, "decoder open failed, error code: 0x%x", i_result );
559 i_result = p_sys->wraInitDecoder( context, &init_data );
562 msg_Err( p_dec, "decoder init failed, error code: 0x%x", i_result );
566 if( p_sys->i_codec_flavor >= 0 )
568 i_result = p_sys->wraSetFlavor( context, p_sys->i_codec_flavor );
571 msg_Err( p_dec, "decoder flavor setup failed, error code: 0x%x",
576 p_prop = p_sys->wraGetFlavorProperty( context, p_sys->i_codec_flavor,
578 msg_Dbg( p_dec, "audio codec: [%d] %s",
579 p_sys->i_codec_flavor, (char *)p_prop );
581 p_prop = p_sys->wraGetFlavorProperty( context, p_sys->i_codec_flavor,
585 int i_bps = ((*((int*)p_prop))+4)/8;
586 msg_Dbg( p_dec, "audio bitrate: %5.3f kbit/s (%d bps)",
587 (*((int*)p_prop))*0.001f, i_bps );
591 p_sys->context = context;
592 p_sys->win32_dll = handle;
596 if( context ) p_sys->wraFreeDecoder( context );
597 if( context ) p_sys->wraCloseCodec( context );
598 FreeLibrary( handle );
604 /*****************************************************************************
606 *****************************************************************************/
607 static void CloseDll( decoder_t *p_dec )
609 decoder_sys_t *p_sys = p_dec->p_sys;
611 if( p_sys->context && p_sys->dll )
613 p_sys->raFreeDecoder( p_sys->context );
614 p_sys->raCloseCodec( p_sys->context );
617 if( p_sys->context && p_sys->win32_dll )
619 p_sys->wraFreeDecoder( p_sys->context );
620 p_sys->wraCloseCodec( p_sys->context );
623 #if defined(HAVE_DL_DLOPEN)
624 if( p_sys->dll ) dlclose( p_sys->dll );
627 #if defined(LOADER) || defined(WIN32)
628 if( p_sys->win32_dll ) FreeLibrary( p_sys->win32_dll );
630 #if 0 //def LOADER /* Segfaults */
631 Restore_LDT_Keeper( p_sys->ldt_fs );
632 msg_Dbg( p_dec, "Restore_LDT_Keeper" );
637 p_sys->win32_dll = 0;
641 /*****************************************************************************
643 *****************************************************************************/
644 static aout_buffer_t *Decode( decoder_t *p_dec, block_t **pp_block )
646 decoder_sys_t *p_sys = p_dec->p_sys;
647 aout_buffer_t *p_aout_buffer = 0;
648 unsigned int i_result;
653 if( !p_sys->win32_dll && !p_sys->dll )
655 /* We must do open and close in the same thread (unless we do
656 * Setup_LDT_Keeper in the main thread before all others */
657 if( OpenDll( p_dec ) != VLC_SUCCESS )
660 p_dec->b_error = true;
666 if( pp_block == NULL || *pp_block == NULL ) return NULL;
670 i_result = p_sys->raDecode( p_sys->context, (char *)p_block->p_buffer,
671 (unsigned long)p_block->i_buffer,
672 p_sys->p_out, &p_sys->i_out, -1 );
674 i_result = p_sys->wraDecode( p_sys->context, (char *)p_block->p_buffer,
675 (unsigned long)p_block->i_buffer,
676 p_sys->p_out, &p_sys->i_out, -1 );
679 msg_Err( p_dec, "decoded: %i samples (%i)",
680 p_sys->i_out * 8 / p_dec->fmt_out.audio.i_bitspersample /
681 p_dec->fmt_out.audio.i_channels, i_result );
684 /* Date management */
685 if( p_block->i_pts > 0 &&
686 p_block->i_pts != aout_DateGet( &p_sys->end_date ) )
688 aout_DateSet( &p_sys->end_date, p_block->i_pts );
691 if( !aout_DateGet( &p_sys->end_date ) )
693 /* We've just started the stream, wait for the first PTS. */
694 if( p_block ) block_Release( p_block );
698 i_samples = p_sys->i_out * 8 /
699 p_dec->fmt_out.audio.i_bitspersample /p_dec->fmt_out.audio.i_channels;
702 p_dec->pf_aout_buffer_new( p_dec, i_samples );
705 memcpy( p_aout_buffer->p_buffer, p_sys->p_out, p_sys->i_out );
707 /* Date management */
708 p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
709 p_aout_buffer->end_date =
710 aout_DateIncrement( &p_sys->end_date, i_samples );
713 block_Release( p_block );
715 return p_aout_buffer;