/***************************************************************************** * VCDOpen: open vcd *****************************************************************************/ static int Open( vlc_object_t *p_this ) { access_t *p_access = (access_t *)p_this; access_sys_t *p_sys; if( p_access->psz_filepath == NULL ) return VLC_EGENERIC; char *psz_dup = ToLocaleDup( p_access->psz_filepath ); char *psz; int i_title = 0; int i_chapter = 0; vcddev_t *vcddev; /* Command line: vcd://[dev_path][#title[,chapter]] */ if( ( psz = strchr( psz_dup, '#' ) ) ) { *psz++ = '\0'; i_title = strtol( psz, &psz, 0 ); if( *psz ) i_chapter = strtol( psz+1, &psz, 0 ); } if( *psz_dup == '\0' ) { free( psz_dup ); /* Only when selected */ if( strcmp( p_access->psz_access, "vcd" ) && strcmp( p_access->psz_access, "svcd" ) ) return VLC_EGENERIC; psz_dup = var_CreateGetString( p_access, "vcd" ); if( *psz_dup == '\0' ) { free( psz_dup ); return VLC_EGENERIC; } } #if defined( WIN32 ) || defined( __OS2__ ) if( psz_dup[0] && psz_dup[1] == ':' && psz_dup[2] == '\\' && psz_dup[3] == '\0' ) psz_dup[2] = '\0'; #endif /* Open VCD */ vcddev = ioctl_Open( p_this, psz_dup ); free( psz_dup ); if( !vcddev ) return VLC_EGENERIC; /* Set up p_access */ p_access->p_sys = p_sys = calloc( 1, sizeof( access_sys_t ) ); if( unlikely(!p_sys )) goto error; p_sys->vcddev = vcddev; /* We read the Table Of Content information */ p_sys->i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access), p_sys->vcddev, &p_sys->p_sectors ); if( p_sys->i_titles < 0 ) { msg_Err( p_access, "unable to count tracks" ); goto error; } else if( p_sys->i_titles <= 1 ) { msg_Err( p_access, "no movie tracks found" ); goto error; } /* The first title isn't usable */ p_sys->i_titles--; /* Build title table */ for( int i = 0; i < p_sys->i_titles; i++ ) { input_title_t *t = p_sys->title[i] = vlc_input_title_New(); msg_Dbg( p_access, "title[%d] start=%d", i, p_sys->p_sectors[1+i] ); msg_Dbg( p_access, "title[%d] end=%d", i, p_sys->p_sectors[i+2] ); t->i_size = ( p_sys->p_sectors[i+2] - p_sys->p_sectors[i+1] ) * (int64_t)VCD_DATA_SIZE; } /* Map entry points into chapters */ if( EntryPoints( p_access ) ) { msg_Warn( p_access, "could not read entry points, will not use them" ); } /* Starting title/chapter and sector */ if( i_title >= p_sys->i_titles ) i_title = 0; if( i_chapter >= p_sys->title[i_title]->i_seekpoint ) i_chapter = 0; p_sys->i_sector = p_sys->p_sectors[1+i_title]; if( i_chapter > 0 ) { p_sys->i_sector += ( p_sys->title[i_title]->seekpoint[i_chapter]->i_byte_offset / VCD_DATA_SIZE ); } /* p_access */ p_access->pf_read = NULL; p_access->pf_block = Block; p_access->pf_control = Control; p_access->pf_seek = Seek; p_access->info.i_update = 0; p_access->info.b_eof = false; p_access->info.i_title = i_title; p_access->info.i_seekpoint = i_chapter; p_access->info.i_size = p_sys->title[i_title]->i_size; p_access->info.i_pos = (uint64_t)( p_sys->i_sector - p_sys->p_sectors[1+i_title] ) * VCD_DATA_SIZE; free( p_access->psz_demux ); p_access->psz_demux = strdup( "ps" ); return VLC_SUCCESS; error: ioctl_Close( VLC_OBJECT(p_access), vcddev ); free( p_sys ); return VLC_EGENERIC; }
/***************************************************************************** * Open: open cdda *****************************************************************************/ static int Open( vlc_object_t *p_this ) { access_t *p_access = (access_t*)p_this; access_sys_t *p_sys; vcddev_t *vcddev; char *psz_name; if( !p_access->psz_filepath || !*p_access->psz_filepath ) { /* Only when selected */ if( !p_access->psz_access || !*p_access->psz_access ) return VLC_EGENERIC; psz_name = var_InheritString( p_this, "cd-audio" ); if( !psz_name ) return VLC_EGENERIC; } else psz_name = ToLocaleDup( p_access->psz_filepath ); #if defined( _WIN32 ) || defined( __OS2__ ) if( psz_name[0] && psz_name[1] == ':' && psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0'; #endif /* Open CDDA */ if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name ) ) == NULL ) { msg_Warn( p_access, "could not open %s", psz_name ); free( psz_name ); return VLC_EGENERIC; } free( psz_name ); /* Set up p_access */ STANDARD_BLOCK_ACCESS_INIT p_sys->vcddev = vcddev; /* Do we play a single track ? */ p_sys->i_track = var_InheritInteger( p_access, "cdda-track" ) - 1; if( p_sys->i_track < 0 ) { /* We only do separate items if the whole disc is requested */ input_thread_t *p_input = access_GetParentInput( p_access ); int i_ret = -1; if( p_input ) { input_item_t *p_current = input_GetItem( p_input ); if( p_current ) i_ret = GetTracks( p_access, p_current ); vlc_object_release( p_input ); } if( i_ret < 0 ) goto error; } else { /* Build a WAV header for the output data */ memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) ); SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/ SetWLE( &p_sys->waveheader.BitsPerSample, 16); p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F'); p_sys->waveheader.Length = 0; /* we just don't know */ p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E'); p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' '); SetDWLE( &p_sys->waveheader.SubChunkLength, 16); SetWLE( &p_sys->waveheader.Modus, 2); SetDWLE( &p_sys->waveheader.SampleFreq, 44100); SetWLE( &p_sys->waveheader.BytesPerSample, 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 ); SetDWLE( &p_sys->waveheader.BytesPerSec, 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ ); p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a'); p_sys->waveheader.DataLength = 0; /* we just don't know */ p_sys->i_first_sector = var_InheritInteger( p_access, "cdda-first-sector" ); p_sys->i_last_sector = var_InheritInteger( p_access, "cdda-last-sector" ); /* Tracknumber in MRL */ if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 ) { const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access), p_sys->vcddev, &p_sys->p_sectors ); if( p_sys->i_track >= i_titles ) { msg_Err( p_access, "invalid track number" ); goto error; } p_sys->i_first_sector = p_sys->p_sectors[p_sys->i_track]; p_sys->i_last_sector = p_sys->p_sectors[p_sys->i_track+1]; } p_sys->i_sector = p_sys->i_first_sector; p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector) * (int64_t)CDDA_DATA_SIZE; } return VLC_SUCCESS; error: free( p_sys->p_sectors ); ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev ); free( p_sys ); return VLC_EGENERIC; }