git.sesse.net Git - vlc/blob - modules/codec/quicktime.c

   1 /*****************************************************************************
   2  * quicktime.c: a quicktime decoder that uses the QT library/dll
   3  *****************************************************************************
   4  * Copyright (C) 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir at via.ecp.fr>
   8  *          Derk-Jan Hartman <hartman at videolan.org>>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <vlc_common.h>
  34 #include <vlc_plugin.h>
  35 #include <vlc_aout.h>
  36 #include <vlc_vout.h>
  37 #include <vlc_codec.h>
  38
  39 #if !defined (__APPLE__) && !defined(WIN32)
  40 # define LOADER 1
  41 #endif
  42
  43 #ifdef __APPLE__
  44 #include <QuickTime/QuickTimeComponents.h>
  45 #include <QuickTime/Movies.h>
  46 #include <QuickTime/ImageCodec.h>
  47 #endif
  48
  49 /* for windows do we require Quicktime compents header? */
  50 #ifdef LOADER
  51 #include "qtx/qtxsdk/components.h"
  52 #include "wine/windef.h"
  53 #include "ldt_keeper.h"
  54
  55 HMODULE   WINAPI LoadLibraryA(LPCSTR);
  56 FARPROC   WINAPI GetProcAddress(HMODULE,LPCSTR);
  57 int       WINAPI FreeLibrary(HMODULE);
  58
  59 #endif
  60
  61 /*****************************************************************************
  62  * Module descriptor
  63  *****************************************************************************/
  64 static int  Open ( vlc_object_t * );
  65 static void Close( vlc_object_t * );
  66
  67 vlc_module_begin ()
  68     set_description( N_("QuickTime library decoder") )
  69     set_capability( "decoder", 0 )
  70     set_category( CAT_INPUT )
  71     set_subcategory( SUBCAT_INPUT_VCODEC )
  72     set_callbacks( Open, Close )
  73
  74 vlc_module_end ()
  75
  76
  77 /*****************************************************************************
  78  * Local prototypes
  79  *****************************************************************************/
  80 static int           OpenAudio( decoder_t * );
  81 static int           OpenVideo( decoder_t * );
  82
  83 static aout_buffer_t *DecodeAudio( decoder_t *, block_t ** );
  84 static picture_t     *DecodeVideo( decoder_t *, block_t ** );
  85
  86 #define FCC( a, b , c, d ) \
  87     ((uint32_t)( ((a)<<24)|((b)<<16)|((c)<<8)|(d)))
  88
  89 #ifndef __APPLE__
  90 typedef struct OpaqueSoundConverter*    SoundConverter;
  91 #ifndef LOADER
  92 typedef long                            OSType;
  93 typedef int                             OSErr;
  94 #endif
  95 typedef unsigned long                   UnsignedFixed;
  96 typedef uint8_t                         Byte;
  97
  98 typedef struct SoundComponentData {
  99     long                            flags;
 100     OSType                          format;
 101     short                           numChannels;
 102     short                           sampleSize;
 103     UnsignedFixed                   sampleRate;
 104     long                            sampleCount;
 105     Byte *                          buffer;
 106     long                            reserved;
 107 } SoundComponentData;
 108
 109 #endif /* __APPLE__ */
 110
 111 struct decoder_sys_t
 112 {
 113     /* library */
 114 #ifndef __APPLE__
 115 #ifdef LOADER
 116     ldt_fs_t    *ldt_fs;
 117 #endif /* LOADER */
 118
 119     HMODULE qtml;
 120     HINSTANCE qts;
 121     OSErr (*InitializeQTML)             ( long flags );
 122     OSErr (*TerminateQTML)              ( void );
 123 #endif /* __APPLE__ */
 124
 125     /* Audio */
 126     int (*SoundConverterOpen)           ( const SoundComponentData *,
 127                                           const SoundComponentData *,
 128                                           SoundConverter* );
 129     int (*SoundConverterClose)          ( SoundConverter );
 130     int (*SoundConverterSetInfo)        ( SoundConverter , OSType, void * );
 131     int (*SoundConverterGetBufferSizes) ( SoundConverter, unsigned long,
 132                                           unsigned long*, unsigned long*,
 133                                           unsigned long* );
 134     int (*SoundConverterBeginConversion)( SoundConverter );
 135     int (*SoundConverterEndConversion)  ( SoundConverter, void *,
 136                                           unsigned long *, unsigned long *);
 137     int (*SoundConverterConvertBuffer)  ( SoundConverter, const void *,
 138                                           unsigned long, void *,
 139                                           unsigned long *, unsigned long * );
 140     SoundConverter      myConverter;
 141     SoundComponentData  InputFormatInfo, OutputFormatInfo;
 142
 143     unsigned long   FramesToGet;
 144     unsigned int    InFrameSize;
 145     unsigned int    OutFrameSize;
 146
 147 #ifndef WIN32
 148     /* Video */
 149     Component         (*FindNextComponent)
 150         ( Component prev, ComponentDescription* desc );
 151
 152     ComponentInstance (*OpenComponent)
 153         ( Component c );
 154
 155     ComponentResult   (*ImageCodecInitialize)
 156         ( ComponentInstance ci, ImageSubCodecDecompressCapabilities * cap);
 157
 158     ComponentResult   (*ImageCodecGetCodecInfo)
 159         ( ComponentInstance ci, CodecInfo *info );
 160
 161     ComponentResult   (*ImageCodecPreDecompress)
 162         ( ComponentInstance ci, CodecDecompressParams * params );
 163
 164     ComponentResult   (*ImageCodecBandDecompress)
 165         ( ComponentInstance ci, CodecDecompressParams * params );
 166
 167     PixMapHandle      (*GetGWorldPixMap)
 168         ( GWorldPtr offscreenGWorld );
 169
 170     OSErr             (*QTNewGWorldFromPtr)
 171         ( GWorldPtr *gw, OSType pixelFormat, const Rect *boundsRect,
 172           CTabHandle cTable, /*GDHandle*/ void *aGDevice, /*unused*/
 173           GWorldFlags flags, void *baseAddr, long rowBytes );
 174
 175     OSErr             (*NewHandleClear)( Size byteCount );
 176
 177     ComponentInstance       ci;
 178     Rect                    OutBufferRect;   /* the dimensions of our GWorld */
 179     GWorldPtr               OutBufferGWorld; /* a GWorld is some kind of
 180                                                 description for a drawing
 181                                                 environment */
 182     ImageDescriptionHandle  framedescHandle;
 183
 184     CodecDecompressParams   decpar;          /* for ImageCodecPreDecompress()*/
 185     CodecCapabilities       codeccap;        /* for decpar */
 186 #endif
 187
 188     /* Output properties */
 189     uint8_t *           plane;
 190     mtime_t             pts;
 191     audio_date_t        date;
 192
 193     int                 i_late; /* video */
 194
 195     /* buffer */
 196     unsigned int        i_buffer;
 197     unsigned int        i_buffer_size;
 198     uint8_t             *p_buffer;
 199
 200     /* Audio only */
 201     uint8_t             out_buffer[1000000];    /* FIXME */
 202     int                 i_out_frames;
 203     int                 i_out;
 204 };
 205
 206 static const int pi_channels_maps[6] =
 207 {
 208     0,
 209     AOUT_CHAN_CENTER,
 210     AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 211     AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER,
 212     AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARLEFT,
 213     AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 214      | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARLEFT
 215 };
 216
 217 static int QTAudioInit( decoder_t * );
 218 static int QTVideoInit( decoder_t * );
 219
 220 /*****************************************************************************
 221  * Open: probe the decoder and return score
 222  *****************************************************************************
 223  * Tries to launch a decoder and return score so that the interface is able
 224  * to choose.
 225  *****************************************************************************/
 226 static int Open( vlc_object_t *p_this )
 227 {
 228     decoder_t *p_dec = (decoder_t*)p_this;
 229
 230 #ifdef __APPLE__
 231     OSErr err;
 232     SInt32 qtVersion, macosversion;
 233
 234     err = Gestalt(gestaltQuickTimeVersion, &qtVersion);
 235     err = Gestalt(gestaltSystemVersion, &macosversion);
 236 #ifndef NDEBUG
 237     msg_Dbg( p_this, "mac os version is %#lx", macosversion );
 238     msg_Dbg( p_this, "quicktime version is %#lx", qtVersion );
 239 #endif
 240 #endif
 241
 242     switch( p_dec->fmt_in.i_codec )
 243     {
 244         case VLC_FOURCC('h','2','6','4'): /* H.264 */
 245         case VLC_FOURCC('c','v','i','d'): /* Cinepak */
 246         case VLC_FOURCC('I','V','4','1'): /* Indeo Video IV */
 247         case VLC_FOURCC('i','v','4','1'): /* dto. */
 248 #ifdef __APPLE__
 249         case VLC_FOURCC('p','x','l','t'): /* Pixlet */
 250 #endif
 251         case VLC_FOURCC('d','v','1','n'): /* DVC Pro 100 NTSC */
 252         case VLC_FOURCC('d','v','1','p'): /* DVC Pro 100 PAL */
 253         case VLC_FOURCC('d','v','h','p'): /* DVC PRO HD 720p */
 254         case VLC_FOURCC('d','v','h','6'): /* DVC PRO HD 1080i 60 */
 255         case VLC_FOURCC('d','v','h','5'): /* DVC PRO HD 1080i 50 */
 256
 257         case VLC_FOURCC('S','V','Q','3'): /* Sorenson v3 */
 258     /*    case VLC_FOURCC('S','V','Q','1'):  Sorenson v1
 259         case VLC_FOURCC('Z','y','G','o'):
 260         case VLC_FOURCC('V','P','3','1'):
 261         case VLC_FOURCC('3','I','V','1'): */
 262         case VLC_FOURCC('r','l','e',' '): /* QuickTime animation (RLE) */
 263         case VLC_FOURCC('r','p','z','a'): /* QuickTime Apple Video */
 264         case VLC_FOURCC('a','z','p','r'): /* QuickTime animation (RLE) */
 265 #ifdef LOADER
 266         p_dec->p_sys = NULL;
 267         p_dec->pf_decode_video = DecodeVideo;
 268         p_dec->fmt_out.i_cat = VIDEO_ES;
 269         return VLC_SUCCESS;
 270 #else
 271         return OpenVideo( p_dec );
 272 #endif
 273
 274 #ifdef __APPLE__
 275         case VLC_FOURCC('I','L','B','C'): /* iLBC */
 276             if ((err != noErr) || (qtVersion < 0x07500000))
 277                 return VLC_EGENERIC;
 278         case VLC_FOURCC('i','l','b','c'): /* iLBC */
 279             if ((err != noErr) || (qtVersion < 0x07500000))
 280                 return VLC_EGENERIC;
 281 #endif
 282         case VLC_FOURCC('s','a','m','r'): /* 3GPP AMR audio */
 283         case VLC_FOURCC('s','a','m','b'): /* 3GPP AMR-WB audio */
 284         case VLC_FOURCC('m','p','4','a'): /* MPEG-4 audio */
 285         case VLC_FOURCC('Q','D','M','C'): /* QDesign */
 286         case VLC_FOURCC('Q','D','M','2'): /* QDesign* 2 */
 287         case VLC_FOURCC('Q','c','l','p'): /* Qualcomm Purevoice Codec */
 288         case VLC_FOURCC('Q','C','L','P'): /* Qualcomm Purevoice Codec */
 289         case VLC_FOURCC('M','A','C','3'): /* MACE3 audio decoder */
 290         case VLC_FOURCC('M','A','C','6'): /* MACE6 audio decoder */
 291         case VLC_FOURCC('d','v','c','a'): /* DV Audio */
 292         case VLC_FOURCC('s','o','w','t'): /* 16-bit Little Endian */
 293         case VLC_FOURCC('t','w','o','s'): /* 16-bit Big Endian */
 294         case VLC_FOURCC('a','l','a','w'): /* ALaw 2:1 */
 295         case VLC_FOURCC('u','l','a','w'): /* mu-Law 2:1 */
 296         case VLC_FOURCC('r','a','w',' '): /* 8-bit offset binaries */
 297         case VLC_FOURCC('f','l','3','2'): /* 32-bit Floating Point */
 298         case VLC_FOURCC('f','l','6','4'): /* 64-bit Floating Point */
 299         case VLC_FOURCC('i','n','2','4'): /* 24-bit Interger */
 300         case VLC_FOURCC('i','n','3','2'): /* 32-bit Integer */
 301         case 0x0011:                            /* DVI IMA */
 302         case 0x6D730002:                        /* Microsoft ADPCM-ACM */
 303         case 0x6D730011:                        /* DVI Intel IMAADPCM-ACM */
 304 #ifdef LOADER
 305         p_dec->p_sys = NULL;
 306         p_dec->pf_decode_audio = DecodeAudio;
 307         p_dec->fmt_out.i_cat = AUDIO_ES;
 308         return VLC_SUCCESS;
 309 #else
 310
 311 #ifdef __APPLE__
 312         /* FIXME: right now, we don't support audio decoding on 10.5 and later
 313          because we are still using the hardcore-outdated SoundManager API,
 314          which was removed after 10.4 */
 315
 316         if( macosversion >= 0x1050 || err != noErr )
 317         {
 318             msg_Warn( p_dec, "Your Mac OS version doesn't have SoundManager anymore. "
 319                      "You can't use this plugin for audio." );
 320             return VLC_EGENERIC;
 321         }
 322 #endif
 323         return OpenAudio( p_dec );
 324 #endif
 325
 326         default:
 327             return VLC_EGENERIC;
 328     }
 329 }
 330
 331 static vlc_mutex_t qt_mutex = VLC_STATIC_MUTEX;
 332
 333 /*****************************************************************************
 334  * Close:
 335  *****************************************************************************/
 336 static void Close( vlc_object_t *p_this )
 337 {
 338     decoder_t     *p_dec = (decoder_t*)p_this;
 339     decoder_sys_t *p_sys = p_dec->p_sys;
 340
 341     /* get lock, avoid segfault */
 342     vlc_mutex_lock( &qt_mutex );
 343
 344     if( p_dec->fmt_out.i_cat == AUDIO_ES )
 345     {
 346         int i_error;
 347         unsigned long ConvertedFrames=0;
 348         unsigned long ConvertedBytes=0;
 349
 350         i_error = p_sys->SoundConverterEndConversion( p_sys->myConverter, NULL,
 351                                                       &ConvertedFrames,
 352                                                       &ConvertedBytes );
 353         msg_Dbg( p_dec, "SoundConverterEndConversion => %d", i_error );
 354
 355         i_error = p_sys->SoundConverterClose( p_sys->myConverter );
 356         msg_Dbg( p_dec, "SoundConverterClose => %d", i_error );
 357
 358         free( p_sys->p_buffer );
 359     }
 360     else if( p_dec->fmt_out.i_cat == VIDEO_ES )
 361     {
 362         free( p_sys->plane );
 363     }
 364
 365 #ifndef __APPLE__
 366     FreeLibrary( p_sys->qtml );
 367     FreeLibrary( p_sys->qts );
 368     msg_Dbg( p_dec, "FreeLibrary ok." );
 369 #else
 370     ExitMovies();
 371 #endif
 372
 373 #if 0
 374     /* Segfault */
 375 #ifdef LOADER
 376     Restore_LDT_Keeper( p_sys->ldt_fs );
 377     msg_Dbg( p_dec, "Restore_LDT_Keeper" );
 378 #endif
 379 #endif
 380
 381     vlc_mutex_unlock( &qt_mutex );
 382
 383     free( p_sys );
 384 }
 385
 386 /*****************************************************************************
 387  * OpenAudio:
 388  *****************************************************************************/
 389 static int OpenAudio( decoder_t *p_dec )
 390 {
 391     decoder_sys_t *p_sys;
 392
 393     int             i_error;
 394     char            fcc[4];
 395     unsigned long   WantedBufferSize;
 396     unsigned long   InputBufferSize = 0;
 397     unsigned long   OutputBufferSize = 0;
 398
 399     /* get lock, avoid segfault */
 400     vlc_mutex_lock( &qt_mutex );
 401
 402     p_sys = calloc( 1, sizeof( decoder_sys_t ) );
 403     p_dec->p_sys = p_sys;
 404     p_dec->pf_decode_audio = DecodeAudio;
 405
 406     memcpy( fcc, &p_dec->fmt_in.i_codec, 4 );
 407
 408 #ifdef __APPLE__
 409     EnterMovies();
 410 #endif
 411
 412     if( QTAudioInit( p_dec ) )
 413     {
 414         msg_Err( p_dec, "cannot initialize QT");
 415         goto exit_error;
 416     }
 417
 418 #ifndef __APPLE__
 419     if( ( i_error = p_sys->InitializeQTML( 6 + 16 ) ) )
 420     {
 421         msg_Dbg( p_dec, "error on InitializeQTML = %d", i_error );
 422         goto exit_error;
 423     }
 424 #endif
 425
 426     /* input format settings */
 427     p_sys->InputFormatInfo.flags       = 0;
 428     p_sys->InputFormatInfo.sampleCount = 0;
 429     p_sys->InputFormatInfo.buffer      = NULL;
 430     p_sys->InputFormatInfo.reserved    = 0;
 431     p_sys->InputFormatInfo.numChannels = p_dec->fmt_in.audio.i_channels;
 432     p_sys->InputFormatInfo.sampleSize  = p_dec->fmt_in.audio.i_bitspersample;
 433     p_sys->InputFormatInfo.sampleRate  = p_dec->fmt_in.audio.i_rate;
 434     p_sys->InputFormatInfo.format      = FCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 435
 436     /* output format settings */
 437     p_sys->OutputFormatInfo.flags       = 0;
 438     p_sys->OutputFormatInfo.sampleCount = 0;
 439     p_sys->OutputFormatInfo.buffer      = NULL;
 440     p_sys->OutputFormatInfo.reserved    = 0;
 441     p_sys->OutputFormatInfo.numChannels = p_dec->fmt_in.audio.i_channels;
 442     p_sys->OutputFormatInfo.sampleSize  = 16;
 443     p_sys->OutputFormatInfo.sampleRate  = p_dec->fmt_in.audio.i_rate;
 444     p_sys->OutputFormatInfo.format      = FCC( 'N', 'O', 'N', 'E' );
 445
 446
 447     i_error = p_sys->SoundConverterOpen( &p_sys->InputFormatInfo,
 448                                          &p_sys->OutputFormatInfo,
 449                                          &p_sys->myConverter );
 450     if( i_error )
 451     {
 452         msg_Err( p_dec, "error on SoundConverterOpen = %d", i_error );
 453         goto exit_error;
 454     }
 455
 456 #if 0
 457     /* tell the sound converter we accept VBR formats */
 458     i_error = SoundConverterSetInfo( p_dec->myConverter, siClientAcceptsVBR,
 459                                      (void *)true );
 460 #endif
 461
 462     if( p_dec->fmt_in.i_extra > 36 + 8 )
 463     {
 464         i_error = p_sys->SoundConverterSetInfo( p_sys->myConverter,
 465                                                 FCC( 'w', 'a', 'v', 'e' ),
 466                                                 ((uint8_t*)p_dec->fmt_in.p_extra) + 36 + 8 );
 467
 468         msg_Dbg( p_dec, "error on SoundConverterSetInfo = %d", i_error );
 469     }
 470
 471     WantedBufferSize = p_sys->OutputFormatInfo.numChannels *
 472                        p_sys->OutputFormatInfo.sampleRate * 2;
 473     p_sys->FramesToGet = 0;
 474
 475     i_error = p_sys->SoundConverterGetBufferSizes( p_sys->myConverter,
 476                                                    WantedBufferSize,
 477                                                    &p_sys->FramesToGet,
 478                                                    &InputBufferSize,
 479                                                    &OutputBufferSize );
 480
 481     msg_Dbg( p_dec, "WantedBufferSize=%li InputBufferSize=%li "
 482              "OutputBufferSize=%li FramesToGet=%li",
 483              WantedBufferSize, InputBufferSize, OutputBufferSize,
 484              p_sys->FramesToGet );
 485
 486     p_sys->InFrameSize  = (InputBufferSize + p_sys->FramesToGet - 1 ) /
 487                             p_sys->FramesToGet;
 488     p_sys->OutFrameSize = OutputBufferSize / p_sys->FramesToGet;
 489
 490     msg_Dbg( p_dec, "frame size %d -> %d",
 491              p_sys->InFrameSize, p_sys->OutFrameSize );
 492
 493     if( (i_error = p_sys->SoundConverterBeginConversion(p_sys->myConverter)) )
 494     {
 495         msg_Err( p_dec,
 496                  "error on SoundConverterBeginConversion = %d", i_error );
 497         goto exit_error;
 498     }
 499
 500
 501     es_format_Init( &p_dec->fmt_out, AUDIO_ES, AOUT_FMT_S16_NE );
 502     p_dec->fmt_out.audio.i_rate = p_sys->OutputFormatInfo.sampleRate;
 503     p_dec->fmt_out.audio.i_channels = p_sys->OutputFormatInfo.numChannels;
 504     p_dec->fmt_out.audio.i_physical_channels =
 505     p_dec->fmt_out.audio.i_original_channels =
 506         pi_channels_maps[p_sys->OutputFormatInfo.numChannels];
 507
 508     aout_DateInit( &p_sys->date, p_dec->fmt_out.audio.i_rate );
 509
 510     p_sys->i_buffer      = 0;
 511     p_sys->i_buffer_size = 100*1000;
 512     p_sys->p_buffer      = malloc( p_sys->i_buffer_size );
 513     if( !p_sys->p_buffer )
 514         goto exit_error;
 515
 516     p_sys->i_out = 0;
 517     p_sys->i_out_frames = 0;
 518
 519     vlc_mutex_unlock( &qt_mutex );
 520     return VLC_SUCCESS;
 521
 522 exit_error:
 523
 524 #ifdef LOADER
 525     Restore_LDT_Keeper( p_sys->ldt_fs );
 526 #endif
 527     vlc_mutex_unlock( &qt_mutex );
 528
 529     free( p_sys );
 530     return VLC_EGENERIC;
 531 }
 532
 533 /*****************************************************************************
 534  * DecodeAudio:
 535  *****************************************************************************/
 536 static aout_buffer_t *DecodeAudio( decoder_t *p_dec, block_t **pp_block )
 537 {
 538     decoder_sys_t *p_sys = p_dec->p_sys;
 539
 540     block_t     *p_block;
 541     int         i_error;
 542
 543 #ifdef LOADER
 544     /* We must do open and close in the same thread (unless we do
 545      * Setup_LDT_Keeper in the main thread before all others */
 546     if( p_sys == NULL )
 547     {
 548         if( OpenAudio( p_dec ) )
 549         {
 550             /* Fatal */
 551             p_dec->b_error = true;
 552             return NULL;
 553         }
 554
 555         p_sys = p_dec->p_sys;
 556     }
 557 #endif
 558
 559     if( pp_block == NULL || *pp_block == NULL )
 560     {
 561         return NULL;
 562     }
 563     p_block = *pp_block;
 564
 565     if( p_sys->i_out_frames > 0 && p_sys->i_out >= p_sys->i_out_frames )
 566     {
 567         /* Ask new data */
 568         p_sys->i_out = 0;
 569         p_sys->i_out_frames = 0;
 570
 571         *pp_block = NULL;
 572         return NULL;
 573     }
 574
 575     if( p_sys->i_out_frames <= 0 )
 576     {
 577         p_sys->pts = p_block->i_pts;
 578
 579         mtime_t i_display_date = 0;
 580         if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
 581             i_display_date = decoder_GetDisplayDate( p_dec, p_block->i_pts );
 582
 583         if( i_display_date > 0 && i_display_date < mdate() )
 584         {
 585             block_Release( p_block );
 586             *pp_block = NULL;
 587             return NULL;
 588         }
 589
 590         /* Append data */
 591         if( p_sys->i_buffer_size < p_sys->i_buffer + p_block->i_buffer )
 592         {
 593             p_sys->i_buffer_size = p_sys->i_buffer + p_block->i_buffer + 1024;
 594             p_sys->p_buffer = realloc( p_sys->p_buffer, p_sys->i_buffer_size );
 595         }
 596         memcpy( &p_sys->p_buffer[p_sys->i_buffer], p_block->p_buffer,
 597                 p_block->i_buffer );
 598         p_sys->i_buffer += p_block->i_buffer;
 599
 600         if( p_sys->i_buffer > p_sys->InFrameSize )
 601         {
 602             int i_frames = p_sys->i_buffer / p_sys->InFrameSize;
 603             unsigned long i_out_frames, i_out_bytes;
 604             vlc_mutex_lock( &qt_mutex );
 605
 606             i_error = p_sys->SoundConverterConvertBuffer( p_sys->myConverter,
 607                                                           p_sys->p_buffer,
 608                                                           i_frames,
 609                                                           p_sys->out_buffer,
 610                                                           &i_out_frames,
 611                                                           &i_out_bytes );
 612             vlc_mutex_unlock( &qt_mutex );
 613
 614             /*
 615             msg_Dbg( p_dec, "decoded %d frames -> %ld frames (error=%d)",
 616                      i_frames, i_out_frames, i_error );
 617
 618             msg_Dbg( p_dec, "decoded %ld frames = %ld bytes",
 619                      i_out_frames, i_out_bytes );
 620             */
 621
 622             p_sys->i_buffer -= i_frames * p_sys->InFrameSize;
 623             if( p_sys->i_buffer > 0 )
 624             {
 625                 memmove( &p_sys->p_buffer[0],
 626                          &p_sys->p_buffer[i_frames * p_sys->InFrameSize],
 627                          p_sys->i_buffer );
 628             }
 629
 630             if( p_sys->pts != 0 &&
 631                 p_sys->pts != aout_DateGet( &p_sys->date ) )
 632             {
 633                 aout_DateSet( &p_sys->date, p_sys->pts );
 634             }
 635             else if( !aout_DateGet( &p_sys->date ) )
 636             {
 637                 return NULL;
 638             }
 639
 640             if( !i_error && i_out_frames > 0 )
 641             {
 642                 /* we have others samples */
 643                 p_sys->i_out_frames = i_out_frames;
 644                 p_sys->i_out = 0;
 645             }
 646         }
 647     }
 648
 649     if( p_sys->i_out < p_sys->i_out_frames )
 650     {
 651         aout_buffer_t *p_out;
 652         int  i_frames = __MIN( p_sys->i_out_frames - p_sys->i_out, 1000 );
 653
 654         p_out = decoder_NewAudioBuffer( p_dec, i_frames );
 655
 656         if( p_out )
 657         {
 658             p_out->start_date = aout_DateGet( &p_sys->date );
 659             p_out->end_date = aout_DateIncrement( &p_sys->date, i_frames );
 660
 661             memcpy( p_out->p_buffer,
 662                     &p_sys->out_buffer[2 * p_sys->i_out * p_dec->fmt_out.audio.i_channels],
 663                     p_out->i_nb_bytes );
 664
 665             p_sys->i_out += i_frames;
 666         }
 667         return p_out;
 668     }
 669
 670     return NULL;
 671 }
 672
 673 /*****************************************************************************
 674  * OpenVideo:
 675  *****************************************************************************/
 676 static int OpenVideo( decoder_t *p_dec )
 677 {
 678 #ifndef WIN32
 679     decoder_sys_t *p_sys = malloc( sizeof( decoder_sys_t ) );
 680     if( !p_sys )
 681         return VLC_ENOMEM;
 682
 683     long                                i_result;
 684     ComponentDescription                desc;
 685     Component                           prev;
 686     ComponentResult                     cres;
 687     ImageSubCodecDecompressCapabilities icap;   /* for ImageCodecInitialize() */
 688     CodecInfo                           cinfo;  /* for ImageCodecGetCodecInfo() */
 689     ImageDescription                    *id;
 690
 691     char                fcc[4];
 692     int     i_vide = p_dec->fmt_in.i_extra;
 693     uint8_t *p_vide = p_dec->fmt_in.p_extra;
 694
 695     p_dec->p_sys = p_sys;
 696     p_dec->pf_decode_video = DecodeVideo;
 697     p_sys->i_late = 0;
 698
 699     if( i_vide <= 0 )
 700     {
 701         msg_Err( p_dec, "missing extra info" );
 702         free( p_sys );
 703         return VLC_EGENERIC;
 704     }
 705
 706     memcpy( fcc, &p_dec->fmt_in.i_codec, 4 );
 707     msg_Dbg( p_dec, "quicktime_video %4.4s %dx%d",
 708              fcc, p_dec->fmt_in.video.i_width, p_dec->fmt_in.video.i_height );
 709
 710     /* get lock, avoid segfault */
 711     vlc_mutex_lock( &qt_mutex );
 712
 713 #ifdef __APPLE__
 714     EnterMovies();
 715 #endif
 716
 717     if( QTVideoInit( p_dec ) )
 718     {
 719         msg_Err( p_dec, "cannot initialize QT");
 720         goto exit_error;
 721     }
 722
 723 #ifndef __APPLE__
 724     if( ( i_result = p_sys->InitializeQTML( 6 + 16 ) ) )
 725     {
 726         msg_Dbg( p_dec, "error on InitializeQTML = %d", (int)i_result );
 727         goto exit_error;
 728     }
 729 #endif
 730
 731     /* init ComponentDescription */
 732     memset( &desc, 0, sizeof( ComponentDescription ) );
 733     desc.componentType      = FCC( 'i', 'm', 'd', 'c' );
 734     desc.componentSubType   = FCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 735     desc.componentManufacturer = 0;
 736     desc.componentFlags        = 0;
 737     desc.componentFlagsMask    = 0;
 738
 739     if( !( prev = p_sys->FindNextComponent( NULL, &desc ) ) )
 740     {
 741         msg_Err( p_dec, "cannot find requested component" );
 742         goto exit_error;
 743     }
 744     msg_Dbg( p_dec, "component id=0x%p", prev );
 745
 746     p_sys->ci =  p_sys->OpenComponent( prev );
 747     msg_Dbg( p_dec, "component instance p=0x%p", p_sys->ci );
 748
 749     memset( &icap, 0, sizeof( ImageSubCodecDecompressCapabilities ) );
 750     cres =  p_sys->ImageCodecInitialize( p_sys->ci, &icap );
 751     msg_Dbg( p_dec, "ImageCodecInitialize->0x%X size=%d (%d)",
 752              (int)cres, (int)icap.recordSize, (int)icap.decompressRecordSize);
 753
 754     memset( &cinfo, 0, sizeof( CodecInfo ) );
 755     cres =  p_sys->ImageCodecGetCodecInfo( p_sys->ci, &cinfo );
 756     msg_Dbg( p_dec,
 757              "Flags: compr: 0x%x decomp: 0x%x format: 0x%x",
 758              (unsigned int)cinfo.compressFlags,
 759              (unsigned int)cinfo.decompressFlags,
 760              (unsigned int)cinfo.formatFlags );
 761     msg_Dbg( p_dec, "quicktime_video: Codec name: %.*s",
 762              ((unsigned char*)&cinfo.typeName)[0],
 763              ((unsigned char*)&cinfo.typeName)+1 );
 764
 765     /* make a yuy2 gworld */
 766     p_sys->OutBufferRect.top    = 0;
 767     p_sys->OutBufferRect.left   = 0;
 768     p_sys->OutBufferRect.right  = p_dec->fmt_in.video.i_width;
 769     p_sys->OutBufferRect.bottom = p_dec->fmt_in.video.i_height;
 770
 771
 772     /* codec data FIXME use codec not SVQ3 */
 773     msg_Dbg( p_dec, "vide = %d", i_vide  );
 774     id = malloc( sizeof( ImageDescription ) + ( i_vide - 70 ) );
 775     if( !id )
 776         goto exit_error;
 777     id->idSize          = sizeof( ImageDescription ) + ( i_vide - 70 );
 778     id->cType           = FCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 779     id->version         = GetWBE ( p_vide +  0 );
 780     id->revisionLevel   = GetWBE ( p_vide +  2 );
 781     id->vendor          = GetDWBE( p_vide +  4 );
 782     id->temporalQuality = GetDWBE( p_vide +  8 );
 783     id->spatialQuality  = GetDWBE( p_vide + 12 );
 784     id->width           = GetWBE ( p_vide + 16 );
 785     id->height          = GetWBE ( p_vide + 18 );
 786     id->hRes            = GetDWBE( p_vide + 20 );
 787     id->vRes            = GetDWBE( p_vide + 24 );
 788     id->dataSize        = GetDWBE( p_vide + 28 );
 789     id->frameCount      = GetWBE ( p_vide + 32 );
 790     memcpy( &id->name, p_vide + 34, 32 );
 791     id->depth           = GetWBE ( p_vide + 66 );
 792     id->clutID          = GetWBE ( p_vide + 68 );
 793     if( i_vide > 70 )
 794     {
 795         memcpy( ((char*)&id->clutID) + 2, p_vide + 70, i_vide - 70 );
 796     }
 797
 798     msg_Dbg( p_dec, "idSize=%d ver=%d rev=%d vendor=%d tempQ=%d "
 799              "spaQ=%d w=%d h=%d dpi=%d%d dataSize=%d depth=%d frameCount=%d clutID=%d",
 800              (int)id->idSize, id->version, id->revisionLevel, (int)id->vendor,
 801              (int)id->temporalQuality, (int)id->spatialQuality,
 802              (int)id->width, (int)id->height,
 803              (int)id->hRes, (int)id->vRes,
 804              (int)id->dataSize,
 805              id->depth,
 806              id->frameCount,
 807              id->clutID );
 808
 809     p_sys->framedescHandle = (ImageDescriptionHandle) NewHandleClear( id->idSize );
 810     memcpy( *p_sys->framedescHandle, id, id->idSize );
 811
 812     if( p_dec->fmt_in.video.i_width != 0 && p_dec->fmt_in.video.i_height != 0)
 813         p_sys->plane = malloc( p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height * 3 );
 814     if( !p_sys->plane )
 815         goto exit_error;
 816
 817     i_result = p_sys->QTNewGWorldFromPtr( &p_sys->OutBufferGWorld,
 818                                           /*pixel format of new GWorld==YUY2 */
 819                                           kYUVSPixelFormat,
 820                                           /* we should benchmark if yvu9 is
 821                                            * faster for svq3, too */
 822                                           &p_sys->OutBufferRect,
 823                                           0, 0, 0,
 824                                           p_sys->plane,
 825                                           p_dec->fmt_in.video.i_width * 2 );
 826
 827     msg_Dbg( p_dec, "NewGWorldFromPtr returned:%ld",
 828              65536 - ( i_result&0xffff ) );
 829
 830     memset( &p_sys->decpar, 0, sizeof( CodecDecompressParams ) );
 831     p_sys->decpar.imageDescription = p_sys->framedescHandle;
 832     p_sys->decpar.startLine        = 0;
 833     p_sys->decpar.stopLine         = ( **p_sys->framedescHandle ).height;
 834     p_sys->decpar.frameNumber      = 1;
 835     p_sys->decpar.matrixFlags      = 0;
 836     p_sys->decpar.matrixType       = 0;
 837     p_sys->decpar.matrix           = 0;
 838     p_sys->decpar.capabilities     = &p_sys->codeccap;
 839     p_sys->decpar.accuracy         = codecNormalQuality;
 840     p_sys->decpar.srcRect          = p_sys->OutBufferRect;
 841     p_sys->decpar.transferMode     = srcCopy;
 842     p_sys->decpar.dstPixMap        = **p_sys->GetGWorldPixMap( p_sys->OutBufferGWorld );/*destPixmap;  */
 843
 844     cres =  p_sys->ImageCodecPreDecompress( p_sys->ci, &p_sys->decpar );
 845     msg_Dbg( p_dec, "quicktime_video: ImageCodecPreDecompress cres=0x%X",
 846              (int)cres );
 847
 848     es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y', 'U', 'Y', '2' ));
 849     p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
 850     p_dec->fmt_out.video.i_height= p_dec->fmt_in.video.i_height;
 851     p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
 852
 853     vlc_mutex_unlock( &qt_mutex );
 854     return VLC_SUCCESS;
 855
 856 exit_error:
 857 #ifdef LOADER
 858     Restore_LDT_Keeper( p_sys->ldt_fs );
 859 #endif
 860     vlc_mutex_unlock( &qt_mutex );
 861
 862 #endif /* !WIN32 */
 863
 864     return VLC_EGENERIC;
 865 }
 866
 867 #ifndef WIN32
 868 /*****************************************************************************
 869  * DecodeVideo:
 870  *****************************************************************************/
 871 static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
 872 {
 873     decoder_sys_t *p_sys = p_dec->p_sys;
 874     block_t       *p_block;
 875     picture_t     *p_pic;
 876     mtime_t       i_pts;
 877
 878     ComponentResult cres;
 879
 880 #ifdef LOADER
 881     /* We must do open and close in the same thread (unless we do
 882      * Setup_LDT_Keeper in the main thread before all others */
 883     if( p_sys == NULL )
 884     {
 885         if( OpenVideo( p_dec ) )
 886         {
 887             /* Fatal */
 888             p_dec->b_error = true;
 889             return NULL;
 890         }
 891         p_sys = p_dec->p_sys;
 892     }
 893 #endif
 894
 895     if( pp_block == NULL || *pp_block == NULL )
 896     {
 897         return NULL;
 898     }
 899     p_block = *pp_block;
 900     *pp_block = NULL;
 901
 902     i_pts = p_block->i_pts ? p_block->i_pts : p_block->i_dts;
 903
 904     mtime_t i_display_date = 0;
 905     if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
 906         i_display_date = decoder_GetDisplayDate( p_dec, i_pts );
 907
 908     if( i_display_date > 0 && i_display_date < mdate() )
 909     {
 910         p_sys->i_late++;
 911     }
 912     else
 913     {
 914         p_sys->i_late = 0;
 915     }
 916 #ifndef NDEBUG
 917     msg_Dbg( p_dec, "bufsize: %d", (int)p_block->i_buffer);
 918 #endif
 919
 920     if( p_sys->i_late > 10 )
 921     {
 922         msg_Dbg( p_dec, "late buffer dropped (%"PRId64")", i_pts );
 923         block_Release( p_block );
 924         return NULL;
 925     }
 926
 927     vlc_mutex_lock( &qt_mutex );
 928
 929     if( ( p_pic = decoder_NewPicture( p_dec ) ) )
 930     {
 931         p_sys->decpar.data                  = (Ptr)p_block->p_buffer;
 932         p_sys->decpar.bufferSize            = p_block->i_buffer;
 933         (**p_sys->framedescHandle).dataSize = p_block->i_buffer;
 934
 935         cres = p_sys->ImageCodecBandDecompress( p_sys->ci, &p_sys->decpar );
 936
 937         ++p_sys->decpar.frameNumber;
 938
 939         if( cres &0xFFFF )
 940         {
 941             msg_Dbg( p_dec, "quicktime_video: ImageCodecBandDecompress"
 942                      " cres=0x%X (-0x%X) %d :(",
 943                      (int)cres,(int)-cres, (int)cres );
 944         }
 945
 946         memcpy( p_pic->p[0].p_pixels, p_sys->plane,
 947                 p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height * 2 );
 948         p_pic->date = i_pts;
 949     }
 950
 951     vlc_mutex_unlock( &qt_mutex );
 952
 953     block_Release( p_block );
 954     return p_pic;
 955 }
 956 #endif /* !WIN32 */
 957
 958 /*****************************************************************************
 959  * QTAudioInit:
 960  *****************************************************************************/
 961 static int QTAudioInit( decoder_t *p_dec )
 962 {
 963     decoder_sys_t *p_sys = p_dec->p_sys;
 964
 965 #ifdef __APPLE__
 966     p_sys->SoundConverterOpen       = (void*)SoundConverterOpen;
 967     p_sys->SoundConverterClose      = (void*)SoundConverterClose;
 968     p_sys->SoundConverterSetInfo    = (void*)SoundConverterSetInfo;
 969     p_sys->SoundConverterGetBufferSizes = (void*)SoundConverterGetBufferSizes;
 970     p_sys->SoundConverterConvertBuffer  = (void*)SoundConverterConvertBuffer;
 971     p_sys->SoundConverterBeginConversion= (void*)SoundConverterBeginConversion;
 972     p_sys->SoundConverterEndConversion  = (void*)SoundConverterEndConversion;
 973 #else
 974
 975 #ifdef LOADER
 976     p_sys->ldt_fs = Setup_LDT_Keeper();
 977 #endif /* LOADER */
 978
 979     p_sys->qts = LoadLibraryA( "QuickTime.qts" );
 980     if( p_sys->qts == NULL )
 981     {
 982         msg_Dbg( p_dec, "failed loading QuickTime.qts" );
 983         return VLC_EGENERIC;
 984     }
 985     p_sys->qtml = LoadLibraryA( "qtmlClient.dll" );
 986     if( p_sys->qtml == NULL )
 987     {
 988         msg_Dbg( p_dec, "failed loading qtmlClient.dll" );
 989         return VLC_EGENERIC;
 990     }
 991
 992     p_sys->InitializeQTML               = (void *)GetProcAddress( p_sys->qtml, "InitializeQTML" );
 993     p_sys->TerminateQTML                = (void *)GetProcAddress( p_sys->qtml, "TerminateQTML" );
 994     p_sys->SoundConverterOpen           = (void *)GetProcAddress( p_sys->qtml, "SoundConverterOpen" );
 995     p_sys->SoundConverterClose          = (void *)GetProcAddress( p_sys->qtml, "SoundConverterClose" );
 996     p_sys->SoundConverterSetInfo        = (void *)GetProcAddress( p_sys->qtml, "SoundConverterSetInfo" );
 997     p_sys->SoundConverterGetBufferSizes = (void *)GetProcAddress( p_sys->qtml, "SoundConverterGetBufferSizes" );
 998     p_sys->SoundConverterConvertBuffer  = (void *)GetProcAddress( p_sys->qtml, "SoundConverterConvertBuffer" );
 999     p_sys->SoundConverterEndConversion  = (void *)GetProcAddress( p_sys->qtml, "SoundConverterEndConversion" );
1000     p_sys->SoundConverterBeginConversion= (void *)GetProcAddress( p_sys->qtml, "SoundConverterBeginConversion");
1001
1002     if( p_sys->InitializeQTML == NULL )
1003     {
1004         msg_Err( p_dec, "failed getting proc address InitializeQTML" );
1005         return VLC_EGENERIC;
1006     }
1007     if( p_sys->SoundConverterOpen == NULL ||
1008         p_sys->SoundConverterClose == NULL ||
1009         p_sys->SoundConverterSetInfo == NULL ||
1010         p_sys->SoundConverterGetBufferSizes == NULL ||
1011         p_sys->SoundConverterConvertBuffer == NULL ||
1012         p_sys->SoundConverterEndConversion == NULL ||
1013         p_sys->SoundConverterBeginConversion == NULL )
1014     {
1015         msg_Err( p_dec, "failed getting proc address" );
1016         return VLC_EGENERIC;
1017     }
1018
1019     msg_Dbg( p_dec, "standard init done" );
1020 #endif /* else __APPLE__ */
1021
1022     return VLC_SUCCESS;
1023 }
1024
1025 #ifndef WIN32
1026 /*****************************************************************************
1027  * QTVideoInit:
1028  *****************************************************************************/
1029 static int QTVideoInit( decoder_t *p_dec )
1030 {
1031     decoder_sys_t *p_sys = p_dec->p_sys;
1032
1033 #ifdef __APPLE__
1034     p_sys->FindNextComponent        = (void*)FindNextComponent;
1035     p_sys->OpenComponent            = (void*)OpenComponent;
1036     p_sys->ImageCodecInitialize     = (void*)ImageCodecInitialize;
1037     p_sys->ImageCodecGetCodecInfo   = (void*)ImageCodecGetCodecInfo;
1038     p_sys->ImageCodecPreDecompress  = (void*)ImageCodecPreDecompress;
1039     p_sys->ImageCodecBandDecompress = (void*)ImageCodecBandDecompress;
1040     p_sys->GetGWorldPixMap          = (void*)GetGWorldPixMap;
1041     p_sys->QTNewGWorldFromPtr       = (void*)QTNewGWorldFromPtr;
1042     p_sys->NewHandleClear           = (void*)NewHandleClear;
1043 #else
1044
1045 #ifdef LOADER
1046     p_sys->ldt_fs = Setup_LDT_Keeper();
1047 #endif /* LOADER */
1048     p_sys->qts = LoadLibraryA( "QuickTime.qts" );
1049     if( p_sys->qts == NULL )
1050     {
1051         msg_Dbg( p_dec, "failed loading QuickTime.qts" );
1052         return VLC_EGENERIC;
1053     }
1054     msg_Dbg( p_dec, "QuickTime.qts loaded" );
1055     p_sys->qtml = LoadLibraryA( "qtmlClient.dll" );
1056     if( p_sys->qtml == NULL )
1057     {
1058         msg_Dbg( p_dec, "failed loading qtmlClient.dll" );
1059         return VLC_EGENERIC;
1060     }
1061     msg_Dbg( p_dec, "qtmlClient.dll loaded" );
1062
1063     /* (void*) to shut up gcc */
1064     p_sys->InitializeQTML           = (void*)GetProcAddress( p_sys->qtml, "InitializeQTML" );
1065     p_sys->FindNextComponent        = (void*)GetProcAddress( p_sys->qtml, "FindNextComponent" );
1066     p_sys->OpenComponent            = (void*)GetProcAddress( p_sys->qtml, "OpenComponent" );
1067     p_sys->ImageCodecInitialize     = (void*)GetProcAddress( p_sys->qtml, "ImageCodecInitialize" );
1068     p_sys->ImageCodecGetCodecInfo   = (void*)GetProcAddress( p_sys->qtml, "ImageCodecGetCodecInfo" );
1069     p_sys->ImageCodecPreDecompress  = (void*)GetProcAddress( p_sys->qtml, "ImageCodecPreDecompress" );
1070     p_sys->ImageCodecBandDecompress = (void*)GetProcAddress( p_sys->qtml, "ImageCodecBandDecompress" );
1071     p_sys->GetGWorldPixMap          = (void*)GetProcAddress( p_sys->qtml, "GetGWorldPixMap" );
1072     p_sys->QTNewGWorldFromPtr       = (void*)GetProcAddress( p_sys->qtml, "QTNewGWorldFromPtr" );
1073     p_sys->NewHandleClear           = (void*)GetProcAddress( p_sys->qtml, "NewHandleClear" );
1074
1075     if( p_sys->InitializeQTML == NULL )
1076     {
1077         msg_Dbg( p_dec, "failed getting proc address InitializeQTML" );
1078         return VLC_EGENERIC;
1079     }
1080     if( p_sys->FindNextComponent == NULL ||
1081         p_sys->OpenComponent == NULL ||
1082         p_sys->ImageCodecInitialize == NULL ||
1083         p_sys->ImageCodecGetCodecInfo == NULL ||
1084         p_sys->ImageCodecPreDecompress == NULL ||
1085         p_sys->ImageCodecBandDecompress == NULL ||
1086         p_sys->GetGWorldPixMap == NULL ||
1087         p_sys->QTNewGWorldFromPtr == NULL ||
1088         p_sys->NewHandleClear == NULL )
1089     {
1090         msg_Err( p_dec, "failed getting proc address" );
1091         return VLC_EGENERIC;
1092     }
1093 #endif /* __APPLE__ */
1094
1095     return VLC_SUCCESS;
1096 }
1097 #endif /* !WIN32 */