#include "cdrom_internals.h"
#include "cdrom.h"
#include <vlc_charset.h>
+#include <vlc_meta.h>
/*****************************************************************************
* ioctl_Open: Opens a VCD device or file and returns an opaque handle
}
#endif /* WIN32 */
+
+/* */
+static void astrcat( char **ppsz_dst, char *psz_src )
+{
+ char *psz_old = *ppsz_dst;
+
+ if( !psz_old )
+ {
+ *ppsz_dst = strdup( psz_src );
+ }
+ else if( psz_src )
+ {
+ if( asprintf( ppsz_dst, "%s%s", psz_old, psz_src ) < 0 )
+ *ppsz_dst = psz_old;
+ else
+ free( psz_old );
+ }
+}
+
+/* */
+static int CdTextParse( vlc_meta_t ***ppp_tracks, int *pi_tracks,
+ const uint8_t *p_buffer, int i_buffer )
+{
+ char *pppsz_info[128][0x10];
+ int i_track_last = -1;
+ if( i_buffer < 4 )
+ return -1;
+
+ memset( pppsz_info, 0, sizeof(pppsz_info) );
+
+ for( int i = 0; i < (i_buffer-4)/18; i++ )
+ {
+ const uint8_t *p_block = &p_buffer[4 + 18*i];
+ char psz_text[12+1];
+
+ const int i_pack_type = p_block[0];
+ if( i_pack_type < 0x80 || i_pack_type > 0x8f )
+ continue;
+
+ const int i_track_number = (p_block[1] >> 0)&0x7f;
+ const int i_extension_flag = ( p_block[1] >> 7)& 0x01;
+ if( i_extension_flag )
+ continue;
+
+ //const int i_sequence_number = p_block[2];
+ //const int i_charater_position = (p_block[3] >> 0) &0x0f;
+ //const int i_block_number = (p_block[3] >> 4) &0x07;
+ /* TODO unicode support
+ * I need a sample */
+ //const int i_unicode = ( p_block[3] >> 7)&0x01;
+ //const int i_crc = (p_block[4+12] << 8) | (p_block[4+13] << 0);
+
+ /* */
+ memcpy( psz_text, &p_block[4], 12 );
+ psz_text[12] = '\0';
+
+ /* */
+ int i_track = i_track_number;
+ char *psz_track = &psz_text[0];
+ while( i_track <= 127 && psz_track < &psz_text[12] )
+ {
+ //fprintf( stderr, "t=%d psz_track=%p end=%p", i_track, psz_track, &psz_text[12] );
+ if( *psz_track )
+ {
+ astrcat( &pppsz_info[i_track][i_pack_type-0x80], psz_track );
+ i_track_last = __MAX( i_track_last, i_track );
+ }
+
+ i_track++;
+ psz_track += 1 + strlen(psz_track);
+ }
+ }
+
+ if( i_track_last < 0 )
+ return -1;
+
+ vlc_meta_t **pp_tracks = calloc( i_track_last+1, sizeof(*pp_tracks) );
+ if( !pp_tracks )
+ goto exit;
+
+ for( int j = 0; j < 0x10; j++ )
+ {
+ const char *psz_default = pppsz_info[0][j];
+ for( int i = 0; i <= i_track_last; i++ )
+ {
+ const char *psz_value = pppsz_info[i][j];
+
+ if( !psz_value && !psz_default )
+ continue;
+ vlc_meta_t *p_track = pp_tracks[i];
+ if( !p_track )
+ {
+ p_track = pp_tracks[i] = vlc_meta_New();
+ if( !p_track )
+ continue;
+ }
+ switch( j )
+ {
+ case 0x00: /* Album/Title */
+ if( i == 0 )
+ {
+ vlc_meta_SetAlbum( p_track, psz_value );
+ }
+ else
+ {
+ if( psz_value )
+ vlc_meta_SetTitle( p_track, psz_value );
+ if( psz_default )
+ vlc_meta_SetAlbum( p_track, psz_default );
+ }
+ break;
+ case 0x01: /* Performer */
+ vlc_meta_SetArtist( p_track, psz_value ?: psz_default );
+ break;
+ case 0x05: /* Messages */
+ vlc_meta_SetDescription( p_track, psz_value ?: psz_default );
+ break;
+ case 0x07: /* Genre */
+ vlc_meta_SetGenre( p_track, psz_value ?: psz_default );
+ break;
+ /* FIXME unsupported:
+ * 0x02: songwriter
+ * 0x03: composer
+ * 0x04: arrenger
+ * 0x06: disc id */
+ }
+ }
+ }
+ /* */
+exit:
+ for( int j = 0; j < 0x10; j++ )
+ for( int i = 0; i <= i_track_last; i++ )
+ free( pppsz_info[i][j] );
+
+ *ppp_tracks = pp_tracks;
+ *pi_tracks = i_track_last+1;
+ return pp_tracks ? 0 : -1;
+}
+
+#if defined( __APPLE__ ) || \
+ defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H ) || \
+ defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
+static int CdTextRead( vlc_object_t *p_object, const vcddev_t *p_vcddev,
+ uint8_t **pp_buffer, int *pi_buffer )
+{
+ VLC_UNUSED( p_object );
+ return -1;
+}
+#elif defined( WIN32 )
+static int CdTextRead( vlc_object_t *p_object, const vcddev_t *p_vcddev,
+ uint8_t **pp_buffer, int *pi_buffer )
+{
+ if( p_vcddev->hASPI )
+ {
+ msg_Err( p_object, "mode ASPI unsupported for CD-TEXT" );
+ return -1;
+ }
+
+ CDROM_READ_TOC_EX TOCEx;
+ memset(&TOCEx, 0, sizeof(TOCEx));
+ TOCEx.Format = CDROM_READ_TOC_EX_FORMAT_CDTEXT;
+
+ const int i_header_size = __MAX( 4, MINIMUM_CDROM_READ_TOC_EX_SIZE );
+ uint8_t header[i_header_size];
+ DWORD i_read;
+ if( !DeviceIoControl( p_vcddev->h_device_handle, IOCTL_CDROM_READ_TOC_EX,
+ &TOCEx, sizeof(TOCEx), header, i_header_size, &i_read, 0 ) )
+ return -1;
+
+ const int i_text = 2 + (header[0] << 8) + header[1];
+ if( i_text <= 4 )
+ return -1;
+
+ /* Read complete CD-TEXT */
+ uint8_t *p_text = calloc( 1, i_text );
+ if( !p_text )
+ return VLC_EGENERIC;
+
+ if( !DeviceIoControl( p_vcddev->h_device_handle, IOCTL_CDROM_READ_TOC_EX,
+ &TOCEx, sizeof(TOCEx), p_text, i_text, &i_read, 0 ) )
+ {
+ free( p_text );
+ return VLC_EGENERIC;
+ }
+
+ /* */
+ *pp_buffer = p_text;
+ *pi_buffer = i_text;
+ return VLC_SUCCESS;
+}
+#else
+static int CdTextRead( vlc_object_t *p_object, const vcddev_t *p_vcddev,
+ uint8_t **pp_buffer, int *pi_buffer )
+{
+ VLC_UNUSED( p_object );
+
+ if( p_vcddev->i_device_handle == -1 )
+ return -1;
+
+ struct cdrom_generic_command gc;
+ uint8_t header[4];
+
+ /* Read CD-TEXT size */
+ memset( header, 0, sizeof(header) );
+ memset( &gc, 0, sizeof(gc) );
+ gc.cmd[0] = 0x43; /* Read TOC */
+ gc.cmd[1] = 0x02; /* MSF */
+ gc.cmd[2] = 5; /* CD-Text */
+ gc.cmd[7] = ( sizeof(header) >> 8 ) & 0xff;
+ gc.cmd[8] = ( sizeof(header) >> 0 ) & 0xff;
+
+ gc.buflen = sizeof(header);
+ gc.buffer = header;
+ gc.data_direction = CGC_DATA_READ;
+ gc.timeout = 1000;
+
+ if( ioctl( p_vcddev->i_device_handle, CDROM_SEND_PACKET, &gc ) == -1 )
+ return VLC_EGENERIC;
+
+ /* If the size is less than 4 it is an error, if it 4 then
+ * it means no text data */
+ const int i_text = 2 + (header[0] << 8) + header[1];
+ if( i_text <= 4 )
+ return VLC_EGENERIC;
+
+ /* Read complete CD-TEXT */
+ uint8_t *p_text = calloc( 1, i_text );
+ if( !p_text )
+ return VLC_EGENERIC;
+
+ memset( &gc, 0, sizeof(gc) );
+ gc.cmd[0] = 0x43; /* Read TOC */
+ gc.cmd[1] = 0x02; /* MSF */
+ gc.cmd[2] = 5; /* CD-Text */
+ gc.cmd[7] = ( i_text >> 8 ) & 0xff;
+ gc.cmd[8] = ( i_text >> 0 ) & 0xff;
+
+ gc.buflen = i_text;
+ gc.buffer = p_text;
+ gc.data_direction = CGC_DATA_READ;
+ gc.timeout = 1000;
+
+ if( ioctl( p_vcddev->i_device_handle, CDROM_SEND_PACKET, &gc ) == -1 )
+ {
+ free( p_text );
+ return VLC_EGENERIC;
+ }
+
+ /* */
+ *pp_buffer = p_text;
+ *pi_buffer = i_text;
+ return VLC_SUCCESS;
+}
+#endif
+
+int ioctl_GetCdText( vlc_object_t *p_object, const vcddev_t *p_vcddev,
+ vlc_meta_t ***ppp_tracks, int *pi_tracks )
+{
+ uint8_t *p_text;
+ int i_text;
+
+ if( p_vcddev->i_vcdimage_handle != -1 )
+ return -1;
+
+ if( CdTextRead( p_object, p_vcddev, &p_text, &i_text ) )
+ return -1;
+
+ CdTextParse( ppp_tracks, pi_tracks, p_text, i_text );
+ free( p_text );
+ return 0;
+}
+
projects / vlc / commitdiff