+++ /dev/null
-/*****************************************************************************
- * realaudio.c: a realaudio decoder that uses the realaudio library/dll
- *****************************************************************************
- * Copyright (C) 2005 the VideoLAN team
- * $Id$
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_aout.h>
-#include <vlc_codec.h>
-
-#ifdef LOADER
-/* Need the w32dll loader from mplayer */
-# include <wine/winerror.h>
-# include <ldt_keeper.h>
-# include <wine/windef.h>
-
-void *WINAPI LoadLibraryA( char *name );
-void *WINAPI GetProcAddress( void *handle, char *func );
-int WINAPI FreeLibrary( void *handle );
-#endif
-
-#ifndef WINAPI
-# define WINAPI
-#endif
-
-#if defined(HAVE_DL_DLOPEN)
-# if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
-# include <dlfcn.h>
-# endif
-# if defined(HAVE_SYS_DL_H)
-# include <sys/dl.h>
-# endif
-#endif
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-static int Open ( vlc_object_t * );
-static void Close( vlc_object_t * );
-
-vlc_module_begin ()
- set_description( N_("RealAudio library decoder") )
- set_capability( "decoder", 10 )
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_VCODEC )
- set_callbacks( Open, Close )
-vlc_module_end ()
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int OpenDll( decoder_t * );
-#ifndef WIN32
-static int OpenNativeDll( decoder_t *, char *, char * );
-#endif
-#if defined(LOADER) || defined(WIN32)
-static int OpenWin32Dll( decoder_t *, char *, char * );
-#endif
-static void CloseDll( decoder_t * );
-
-static aout_buffer_t *Decode( decoder_t *, block_t ** );
-
-struct decoder_sys_t
-{
- date_t end_date;
-
- /* Output buffer */
- char *p_out;
- unsigned int i_out;
-
- /* Codec params */
- void *context;
- short int i_codec_flavor;
-
- void *dll;
- unsigned long (*raCloseCodec)(void*);
- unsigned long (*raDecode)(void*, char*, unsigned long, char*,
- unsigned int*, long);
- unsigned long (*raFlush)(unsigned long, unsigned long, unsigned long);
- unsigned long (*raFreeDecoder)(void*);
- void* (*raGetFlavorProperty)(void*, unsigned long,
- unsigned long, int*);
- unsigned long (*raInitDecoder)(void*, void*);
- unsigned long (*raOpenCodec)(void*);
- unsigned long (*raOpenCodec2)(void*, void*);
- unsigned long (*raSetFlavor)(void*, unsigned long);
- void (*raSetDLLAccessPath)(char*);
- void (*raSetPwd)(char*, char*);
-
-#if defined(LOADER)
- ldt_fs_t *ldt_fs;
-#endif
-
- void *win32_dll;
- unsigned long (WINAPI *wraCloseCodec)(void*);
- unsigned long (WINAPI *wraDecode)(void*, char*, unsigned long, char*,
- unsigned int*, long);
- unsigned long (WINAPI *wraFlush)(unsigned long, unsigned long,
- unsigned long);
- unsigned long (WINAPI *wraFreeDecoder)(void*);
- void* (WINAPI *wraGetFlavorProperty)(void*, unsigned long,
- unsigned long, int*);
- unsigned long (WINAPI *wraInitDecoder)(void*, void*);
- unsigned long (WINAPI *wraOpenCodec)(void*);
- unsigned long (WINAPI *wraOpenCodec2)(void*, void*);
- unsigned long (WINAPI *wraSetFlavor)(void*, unsigned long);
- void (WINAPI *wraSetDLLAccessPath)(char*);
- void (WINAPI *wraSetPwd)(char*, char*);
-};
-
-/* linux dlls doesn't need packing */
-typedef struct /*__attribute__((__packed__))*/ {
- int samplerate;
- short bits;
- short channels;
- short quality;
- /* 2bytes padding here, by gcc */
- int bits_per_frame;
- int packetsize;
- int extradata_len;
- void* extradata;
-} ra_init_t;
-
-/* windows dlls need packed structs (no padding) */
-typedef struct __attribute__((__packed__)) {
- int samplerate;
- short bits;
- short channels;
- short quality;
- int bits_per_frame;
- int packetsize;
- int extradata_len;
- void* extradata;
-} wra_init_t;
-
-#if 0 /* I have no idea what this is doing here */
-void *__builtin_new(unsigned long size) {return malloc(size);}
-void __builtin_delete(void *p) {free(p);}
-#endif
-
-static const int pi_channels_maps[7] =
-{
- 0,
- AOUT_CHAN_CENTER,
- AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
- AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
- AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
- | AOUT_CHAN_REARRIGHT,
- AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
- | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
- AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
- | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
-};
-
-/*****************************************************************************
- * Open: probe the decoder and return score
- *****************************************************************************
- * Tries to launch a decoder and return score so that the interface is able
- * to choose.
- *****************************************************************************/
-static int Open( vlc_object_t *p_this )
-{
- decoder_t *p_dec = (decoder_t*)p_this;
- decoder_sys_t *p_sys = p_dec->p_sys;
-
- switch( p_dec->fmt_in.i_codec )
- {
- case VLC_CODEC_COOK:
- case VLC_CODEC_ATRAC3:
- case VLC_CODEC_SIPR:
- break;
-
- default:
- return VLC_EGENERIC;
- }
-
- /* Channel detection */
- if( p_dec->fmt_in.audio.i_channels <= 0 ||
- p_dec->fmt_in.audio.i_channels > 6 )
- {
- msg_Err( p_dec, "invalid number of channels (not between 1 and 6): %i",
- p_dec->fmt_in.audio.i_channels );
- return VLC_EGENERIC;
- }
-
- p_dec->p_sys = p_sys = calloc( 1, sizeof( *p_sys ) );
- if( !p_sys )
- return VLC_ENOMEM;
-
- /* Flavor for SIPR codecs */
- p_sys->i_codec_flavor = -1;
- if( p_dec->fmt_in.i_codec == VLC_CODEC_SIPR )
- {
- p_sys->i_codec_flavor = p_dec->fmt_in.audio.i_flavor;
- msg_Dbg( p_dec, "Got sipr flavor %d", p_sys->i_codec_flavor );
- }
-
- if( OpenDll( p_dec ) != VLC_SUCCESS )
- {
- free( p_sys );
- return VLC_EGENERIC;
- }
-
-#ifdef LOADER
- if( p_sys->win32_dll ) Close( p_this );
-#endif
-
- es_format_Init( &p_dec->fmt_out, AUDIO_ES, VLC_CODEC_S16N );
- p_dec->fmt_out.audio.i_rate = p_dec->fmt_in.audio.i_rate;
- p_dec->fmt_out.audio.i_channels = p_dec->fmt_in.audio.i_channels;
- p_dec->fmt_out.audio.i_bitspersample =
- p_dec->fmt_in.audio.i_bitspersample;
- p_dec->fmt_out.audio.i_physical_channels =
- p_dec->fmt_out.audio.i_original_channels =
- pi_channels_maps[p_dec->fmt_out.audio.i_channels];
-
- date_Init( &p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1 );
- date_Set( &p_sys->end_date, 0 );
-
- p_dec->pf_decode_audio = Decode;
-
- p_sys->p_out = malloc( 4096 * 10 );
- if( !p_sys->p_out )
- {
- free( p_sys );
- return VLC_ENOMEM;
- }
- p_sys->i_out = 0;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Close:
- *****************************************************************************/
-static void Close( vlc_object_t *p_this )
-{
- decoder_t *p_dec = (decoder_t*)p_this;
-
- CloseDll( p_dec );
- free( p_dec->p_sys->p_out );
- free( p_dec->p_sys );
-}
-
-/*****************************************************************************
- * OpenDll:
- *****************************************************************************/
-static int OpenDll( decoder_t *p_dec )
-{
- char *psz_dll;
- int i, i_result;
-
- /** Find the good path for the dlls.**/
- const char *ppsz_path[] =
- {
- ".",
-#ifndef WIN32
- "/usr/local/RealPlayer8/Codecs",
- "/usr/RealPlayer8/Codecs",
- "/usr/lib/RealPlayer8/Codecs",
- "/opt/RealPlayer8/Codecs",
- "/usr/lib/RealPlayer9/users/Real/Codecs",
- "/usr/lib/RealPlayer10/codecs",
- "/usr/lib/RealPlayer10GOLD/codecs",
- "/usr/lib/helix/player/codecs",
- "/usr/lib64/RealPlayer8/Codecs",
- "/usr/lib64/RealPlayer9/users/Real/Codecs",
- "/usr/lib64/RealPlayer10/codecs",
- "/usr/lib64/RealPlayer10GOLD/codecs",
- "/usr/lib/win32",
- "/usr/lib/codecs",
- "/usr/local/lib/codecs",
-#endif
- NULL,
- NULL,
- NULL
- };
-
-#ifdef WIN32
- char psz_win32_real_codecs[MAX_PATH + 1];
- char psz_win32_helix_codecs[MAX_PATH + 1];
-
- {
- HKEY h_key;
- DWORD i_type, i_data = MAX_PATH + 1, i_index = 1;
- char *p_data;
-
- p_data = psz_win32_real_codecs;
- if( RegOpenKeyEx( HKEY_CLASSES_ROOT,
- _T("Software\\RealNetworks\\Preferences\\DT_Codecs"),
- 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
- {
- if( RegQueryValueEx( h_key, _T(""), 0, &i_type,
- (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS &&
- i_type == REG_SZ )
- {
- int i_len = strlen( p_data );
- if( i_len && p_data[i_len-1] == '\\' ) p_data[i_len-1] = 0;
- ppsz_path[i_index++] = p_data;
- msg_Err( p_dec, "Real: %s", p_data );
- }
- RegCloseKey( h_key );
- }
-
- p_data = psz_win32_helix_codecs;
- if( RegOpenKeyEx( HKEY_CLASSES_ROOT,
- _T("Helix\\HelixSDK\\10.0\\Preferences\\DT_Codecs"),
- 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
- {
- if( RegQueryValueEx( h_key, _T(""), 0, &i_type,
- (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS &&
- i_type == REG_SZ )
- {
- int i_len = strlen( p_data );
- if( i_len && p_data[i_len-1] == '\\' ) p_data[i_len-1] = 0;
- ppsz_path[i_index++] = p_data;
- msg_Err( p_dec, "Real: %s", p_data );
- }
- RegCloseKey( h_key );
- }
- }
-#endif
-
-
- /** Try the native libraries first **/
-#ifndef WIN32
- for( i = 0; ppsz_path[i]; i++ )
- {
- /* Old format */
- if( asprintf( &psz_dll, "%s/%4.4s.so.6.0", ppsz_path[i],
- (char *)&p_dec->fmt_in.i_codec ) != -1 )
- {
- i_result = OpenNativeDll( p_dec, (char *)ppsz_path[i], psz_dll );
- free( psz_dll );
- if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
- }
-
- /* New format */
- if( asprintf( &psz_dll, "%s/%4.4s.so", ppsz_path[i],
- (char *)&p_dec->fmt_in.i_codec ) != -1 )
- {
- i_result = OpenNativeDll( p_dec, (char *)ppsz_path[i], psz_dll );
- free( psz_dll );
- if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
- }
- }
-#endif
-
- /** Or use the WIN32 dlls **/
-#if defined(LOADER) || defined(WIN32)
- for( i = 0; ppsz_path[i]; i++ )
- {
- /* New format */
- if( asprintf( &psz_dll, "%s\\%4.4s.dll", ppsz_path[i],
- (char *)&p_dec->fmt_in.i_codec ) != -1 )
- {
- i_result = OpenWin32Dll( p_dec, ppsz_path[i], psz_dll );
- free( psz_dll );
- if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
- }
-
- /* Old format */
- if( asprintf( &psz_dll, "%s\\%4.4s3260.dll", ppsz_path[i],
- (char *)&p_dec->fmt_in.i_codec ) != -1 )
- {
- i_result = OpenWin32Dll( p_dec, ppsz_path[i], psz_dll );
- free( psz_dll );
- if( i_result == VLC_SUCCESS ) return VLC_SUCCESS;
- }
- }
-#endif
-
- return VLC_EGENERIC;
-}
-
-#ifndef WIN32
-static int OpenNativeDll( decoder_t *p_dec, char *psz_path, char *psz_dll )
-{
-#if defined(HAVE_DL_DLOPEN)
- decoder_sys_t *p_sys = p_dec->p_sys;
- void *handle = 0, *context = 0;
- unsigned int i_result;
- void *p_prop;
- int i_prop;
-
- ra_init_t init_data =
- {
- p_dec->fmt_in.audio.i_rate,
- p_dec->fmt_in.audio.i_bitspersample,
- p_dec->fmt_in.audio.i_channels,
- 100, /* quality */
- p_dec->fmt_in.audio.i_blockalign, /* subpacket size */
- p_dec->fmt_in.audio.i_blockalign, /* coded frame size */
- p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra
- };
-
- msg_Dbg( p_dec, "opening library '%s'", psz_dll );
- if( !(handle = dlopen( psz_dll, RTLD_LAZY )) )
- {
- msg_Dbg( p_dec, "couldn't load library '%s' (%s)",
- psz_dll, dlerror() );
- return VLC_EGENERIC;
- }
-
- p_sys->raCloseCodec = dlsym( handle, "RACloseCodec" );
- p_sys->raDecode = dlsym( handle, "RADecode" );
- p_sys->raFlush = dlsym( handle, "RAFlush" );
- p_sys->raFreeDecoder = dlsym( handle, "RAFreeDecoder" );
- p_sys->raGetFlavorProperty = dlsym( handle, "RAGetFlavorProperty" );
- p_sys->raOpenCodec = dlsym( handle, "RAOpenCodec" );
- p_sys->raOpenCodec2 = dlsym( handle, "RAOpenCodec2" );
- p_sys->raInitDecoder = dlsym( handle, "RAInitDecoder" );
- p_sys->raSetFlavor = dlsym( handle, "RASetFlavor" );
- p_sys->raSetDLLAccessPath = dlsym( handle, "SetDLLAccessPath" );
- p_sys->raSetPwd = dlsym( handle, "RASetPwd" ); // optional, used by SIPR
-
- if( !(p_sys->raOpenCodec || p_sys->raOpenCodec2) ||
- !p_sys->raCloseCodec || !p_sys->raInitDecoder ||
- !p_sys->raDecode || !p_sys->raFreeDecoder ||
- !p_sys->raGetFlavorProperty || !p_sys->raSetFlavor
- /* || !p_sys->raFlush || !p_sys->raSetDLLAccessPath */ )
- {
- goto error_native;
- }
-
- if( p_sys->raOpenCodec2 )
- i_result = p_sys->raOpenCodec2( &context, psz_path );
- else
- i_result = p_sys->raOpenCodec( &context );
-
- if( i_result )
- {
- msg_Err( p_dec, "decoder open failed, error code: 0x%x", i_result );
- goto error_native;
- }
-
- i_result = p_sys->raInitDecoder( context, &init_data );
- if( i_result )
- {
- msg_Err( p_dec, "decoder init failed, error code: 0x%x", i_result );
- goto error_native;
- }
-
- if( p_sys->i_codec_flavor >= 0 )
- {
- i_result = p_sys->raSetFlavor( context, p_sys->i_codec_flavor );
- if( i_result )
- {
- msg_Err( p_dec, "decoder flavor setup failed, error code: 0x%x",
- i_result );
- goto error_native;
- }
-
- p_prop = p_sys->raGetFlavorProperty( context, p_sys->i_codec_flavor,
- 0, &i_prop );
- msg_Dbg( p_dec, "audio codec: [%d] %s",
- p_sys->i_codec_flavor, (char *)p_prop );
-
- p_prop = p_sys->raGetFlavorProperty( context, p_sys->i_codec_flavor,
- 1, &i_prop );
- if( p_prop )
- {
- int i_bps = ((*((int*)p_prop))+4)/8;
- msg_Dbg( p_dec, "audio bitrate: %5.3f kbit/s (%d bps)",
- (*((int*)p_prop))*0.001f, i_bps );
- }
- }
-
- p_sys->context = context;
- p_sys->dll = handle;
- return VLC_SUCCESS;
-
- error_native:
- if( context ) p_sys->raFreeDecoder( context );
- if( context ) p_sys->raCloseCodec( context );
- dlclose( handle );
-#else
- VLC_UNUSED( p_dec );
- VLC_UNUSED( psz_path);
- VLC_UNUSED( psz_dll );
-#endif
-
- return VLC_EGENERIC;
-}
-#endif /* Win32 */
-
-#if defined(LOADER) || defined(WIN32)
-static int OpenWin32Dll( decoder_t *p_dec, char *psz_path, char *psz_dll )
-{
- decoder_sys_t *p_sys = p_dec->p_sys;
- void *handle = 0, *context = 0;
- unsigned int i_result;
- void *p_prop;
- int i_prop;
-
- wra_init_t init_data =
- {
- p_dec->fmt_in.audio.i_rate,
- p_dec->fmt_in.audio.i_bitspersample,
- p_dec->fmt_in.audio.i_channels,
- 100, /* quality */
- p_dec->fmt_in.audio.i_blockalign, /* subpacket size */
- p_dec->fmt_in.audio.i_blockalign, /* coded frame size */
- p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra
- };
-
- msg_Dbg( p_dec, "opening win32 dll '%s'", psz_dll );
-
-#ifdef LOADER
- Setup_LDT_Keeper();
-#endif
-
- if( !(handle = LoadLibraryA( psz_dll )) )
- {
- msg_Dbg( p_dec, "couldn't load dll '%s'", psz_dll );
- return VLC_EGENERIC;
- }
-
- p_sys->wraCloseCodec = GetProcAddress( handle, "RACloseCodec" );
- p_sys->wraDecode = GetProcAddress( handle, "RADecode" );
- p_sys->wraFlush = GetProcAddress( handle, "RAFlush" );
- p_sys->wraFreeDecoder = GetProcAddress( handle, "RAFreeDecoder" );
- p_sys->wraGetFlavorProperty =
- GetProcAddress( handle, "RAGetFlavorProperty" );
- p_sys->wraOpenCodec = GetProcAddress( handle, "RAOpenCodec" );
- p_sys->wraOpenCodec2 = GetProcAddress( handle, "RAOpenCodec2" );
- p_sys->wraInitDecoder = GetProcAddress( handle, "RAInitDecoder" );
- p_sys->wraSetFlavor = GetProcAddress( handle, "RASetFlavor" );
- p_sys->wraSetDLLAccessPath = GetProcAddress( handle, "SetDLLAccessPath" );
- p_sys->wraSetPwd =
- GetProcAddress( handle, "RASetPwd" ); // optional, used by SIPR
-
- if( !(p_sys->wraOpenCodec || p_sys->wraOpenCodec2) ||
- !p_sys->wraCloseCodec || !p_sys->wraInitDecoder ||
- !p_sys->wraDecode || !p_sys->wraFreeDecoder ||
- !p_sys->wraGetFlavorProperty || !p_sys->wraSetFlavor
- /* || !p_sys->wraFlush || !p_sys->wraSetDLLAccessPath */ )
- {
- FreeLibrary( handle );
- return VLC_EGENERIC;
- }
-
- if( p_sys->wraOpenCodec2 )
- i_result = p_sys->wraOpenCodec2( &context, psz_path );
- else
- i_result = p_sys->wraOpenCodec( &context );
-
- if( i_result )
- {
- msg_Err( p_dec, "decoder open failed, error code: 0x%x", i_result );
- goto error_win32;
- }
-
- i_result = p_sys->wraInitDecoder( context, &init_data );
- if( i_result )
- {
- msg_Err( p_dec, "decoder init failed, error code: 0x%x", i_result );
- goto error_win32;
- }
-
- if( p_sys->i_codec_flavor >= 0 )
- {
- i_result = p_sys->wraSetFlavor( context, p_sys->i_codec_flavor );
- if( i_result )
- {
- msg_Err( p_dec, "decoder flavor setup failed, error code: 0x%x",
- i_result );
- goto error_win32;
- }
-
- p_prop = p_sys->wraGetFlavorProperty( context, p_sys->i_codec_flavor,
- 0, &i_prop );
- msg_Dbg( p_dec, "audio codec: [%d] %s",
- p_sys->i_codec_flavor, (char *)p_prop );
-
- p_prop = p_sys->wraGetFlavorProperty( context, p_sys->i_codec_flavor,
- 1, &i_prop );
- if( p_prop )
- {
- int i_bps = ((*((int*)p_prop))+4)/8;
- msg_Dbg( p_dec, "audio bitrate: %5.3f kbit/s (%d bps)",
- (*((int*)p_prop))*0.001f, i_bps );
- }
- }
-
- p_sys->context = context;
- p_sys->win32_dll = handle;
- return VLC_SUCCESS;
-
- error_win32:
- if( context ) p_sys->wraFreeDecoder( context );
- if( context ) p_sys->wraCloseCodec( context );
- FreeLibrary( handle );
-
- return VLC_EGENERIC;
-}
-#endif
-
-/*****************************************************************************
- * CloseDll:
- *****************************************************************************/
-static void CloseDll( decoder_t *p_dec )
-{
- decoder_sys_t *p_sys = p_dec->p_sys;
-
- if( p_sys->context && p_sys->dll )
- {
- p_sys->raFreeDecoder( p_sys->context );
- p_sys->raCloseCodec( p_sys->context );
- }
-
- if( p_sys->context && p_sys->win32_dll )
- {
- p_sys->wraFreeDecoder( p_sys->context );
- p_sys->wraCloseCodec( p_sys->context );
- }
-
-#if defined(HAVE_DL_DLOPEN)
- if( p_sys->dll ) dlclose( p_sys->dll );
-#endif
-
-#if defined(LOADER) || defined(WIN32)
- if( p_sys->win32_dll ) FreeLibrary( p_sys->win32_dll );
-
-#if 0 //def LOADER /* Segfaults */
- Restore_LDT_Keeper( p_sys->ldt_fs );
- msg_Dbg( p_dec, "Restore_LDT_Keeper" );
-#endif
-#endif
-
- p_sys->dll = 0;
- p_sys->win32_dll = 0;
- p_sys->context = 0;
-}
-
-/*****************************************************************************
- * DecodeAudio:
- *****************************************************************************/
-static aout_buffer_t *Decode( decoder_t *p_dec, block_t **pp_block )
-{
- decoder_sys_t *p_sys = p_dec->p_sys;
- aout_buffer_t *p_aout_buffer = 0;
- unsigned int i_result;
- int i_samples;
- block_t *p_block;
-
-#ifdef LOADER
- if( !p_sys->win32_dll && !p_sys->dll )
- {
- /* We must do open and close in the same thread (unless we do
- * Setup_LDT_Keeper in the main thread before all others */
- if( OpenDll( p_dec ) != VLC_SUCCESS )
- {
- /* Fatal */
- p_dec->b_error = true;
- return NULL;
- }
- }
-#endif
-
- if( pp_block == NULL || *pp_block == NULL ) return NULL;
- p_block = *pp_block;
-
- if( p_sys->dll )
- i_result = p_sys->raDecode( p_sys->context, (char *)p_block->p_buffer,
- (unsigned long)p_block->i_buffer,
- p_sys->p_out, &p_sys->i_out, -1 );
- else
- i_result = p_sys->wraDecode( p_sys->context, (char *)p_block->p_buffer,
- (unsigned long)p_block->i_buffer,
- p_sys->p_out, &p_sys->i_out, -1 );
-
-#if 0
- msg_Err( p_dec, "decoded: %i samples (%i)",
- p_sys->i_out * 8 / p_dec->fmt_out.audio.i_bitspersample /
- p_dec->fmt_out.audio.i_channels, i_result );
-#endif
-
- /* Date management */
- if( p_block->i_pts > VLC_TS_INVALID &&
- p_block->i_pts != date_Get( &p_sys->end_date ) )
- {
- date_Set( &p_sys->end_date, p_block->i_pts );
- }
-
- if( !date_Get( &p_sys->end_date ) )
- {
- /* We've just started the stream, wait for the first PTS. */
- if( p_block ) block_Release( p_block );
- return NULL;
- }
-
- i_samples = p_sys->i_out * 8 /
- p_dec->fmt_out.audio.i_bitspersample /p_dec->fmt_out.audio.i_channels;
-
- p_aout_buffer =
- decoder_NewAudioBuffer( p_dec, i_samples );
- if( p_aout_buffer )
- {
- memcpy( p_aout_buffer->p_buffer, p_sys->p_out, p_sys->i_out );
-
- /* Date management */
- p_aout_buffer->i_pts = date_Get( &p_sys->end_date );
- p_aout_buffer->i_length = date_Increment( &p_sys->end_date, i_samples )
- - p_aout_buffer->i_pts;
- }
-
- block_Release( p_block );
- *pp_block = 0;
- return p_aout_buffer;
-}
projects / vlc / commitdiff