Exemplo n.º 1
0
Arquivo: vcd.c Projeto: Ackhuman/vlc
/*****************************************************************************
 * Close: closes vcd
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    access_t     *p_access = (access_t *)p_this;
    access_sys_t *p_sys = p_access->p_sys;

    ioctl_Close( p_this, p_sys->vcddev );
    free( p_sys );
}
Exemplo n.º 2
0
Arquivo: vcd.c Projeto: mstorsjo/vlc
/*****************************************************************************
 * Close: closes vcd
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    stream_t     *p_access = (stream_t *)p_this;
    access_sys_t *p_sys = p_access->p_sys;

    for( size_t i = 0; i < ARRAY_SIZE(p_sys->titles); i++ )
        free( p_sys->titles[i].seekpoints );

    ioctl_Close( p_this, p_sys->vcddev );
    free( p_sys );
}
Exemplo n.º 3
0
Arquivo: vcd.c Projeto: Ackhuman/vlc
/*****************************************************************************
 * 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;
}