User:bdinfo/mpls
Note: All multi-byte integers are in big-endian format.
| Field | Position in file | Size (in bytes) | Description |
|---|---|---|---|
| Header | $00-$03 | 4 | Consists of the ASCII text "MPLS". |
| Version Number | $04-$07 | 4 | Version number in ASCII format. Usually this will be "0200". |
| Playlist start address | $08-$0B | 4 | Offset of the Playlist section. Measured from the beginning of the file. This address should be on a word boundary. |
| Playlist Mark start address | $0C-$0F | 4 | Offset of the Playlist Mark section. Measured from the beginning of the file. This address should be on a word boundary. |
| Extension Data start address | $10-$13 | 4 | Offset of the Extension Data section. Measured from the beginning of the file. A value of $00000000 means that the Extension Data section is not present. If used, this address should be on a word boundary. |
| Reserved | $14-$27 | 20 | Currently unused. All bytes in this section should be set to zero. |
| Application Info Playlist length | $28-$2B | 4 | Length of the Application Info Playlist section, not counting the four length bytes themselves. This value will almost always be set to $0000000E (14 bytes). |
| Reserved | $2C | 1 | Currently unused. This byte should be set to zero. |
| Playback type | $2D | 1 | $01 = Standard play $02 = Random play $03 = Shuffle play |
| Playback count | $2E-$2F | 2 | Only used if Random or Shuffle mode is selected via the previous byte. If Standard mode is selected, this value is disregarded (and usually will be set to $0000). |
| User operation mask table | $30-$37 | 8 | Description pending. |
| Miscellaneous flags | $38 | 1 | Bit 7: Playlist random access flag (1 = this playlist cannot be accessed by user navigation commands) Bit 6: Allow mixing of sound effects with stream audio (1 = yes) Bit 5: Lossless sound may bypass mixer (1 = yes) Bits 4-0: Reserved (set to 0) |
| Reserved | $39 | 1 | Currently unused. This byte should be set to zero. |
| Playlist section | Starts at address specified in $08-$0B | Varies | See table below for details. |
| Playlist Mark section | Starts at address specified in $0C-$0F | Varies | See table below for details. |
| Extension Data section | Starts at address specified in $10-$13 | Varies | No information is available on this segment, which is almost always omitted. |
| Field | Offset | Size (in bytes) | Description |
|---|---|---|---|
| Length | $00-$03 | 4 | Length of the Playlist section, not counting the four length bytes themselves. |
| Reserved | $04-$05 | 2 | Currently unused. These bytes should be set to zero. |
| Number of Play Items | $06-$07 | 2 | Number of Play Items to follow. |
| Number of Subpaths | $08-$09 | 2 | Number of Subpaths to follow. If there are no Subpaths, this value will be set to $0000. |
| Play Item entries | Starts at $0A | Varies | See table below for details. |
| Subpath entries | Varies | Varies | See table below for details. |
| Field | Offset | Size (in bytes) | Description |
|---|---|---|---|
| Length | $00-$03 | 4 | Length of the Playlist Mark section, not counting the four length bytes themselves. This value should equal (Number of Playlist Marks * 14) + 2. |
| Number of Playlist Marks | $04-$05 | 2 | Number of marks to follow. Each mark is 14 bytes long. |
| Playlist Mark entries | Starts at $06 | Varies | Playlist Mark entries follow the section header. See table below for details. |
| Field | Offset | Size (in bytes) | Description |
|---|---|---|---|
| Reserved | $00 | 1 | Currently unused. This byte should be set to zero. |
| Mark Type | $01 | 1 | 1 = Entry Mark 2 = Link Point |
| Play Item ID | $02-$03 | 2 | Determines which Play Item the mark is associated with. |
| Time Stamp | $04-$07 | 4 | Time offset associated with this chapter mark. This is measured in 45000ths of a second. |
| Entry ESPID | $08-$09 | 2 | Exact purpose unknown. This value will usually be set to $FFFF. |
| Duration | $0A-$0D | 4 | Duration of this chapter. This is measured in 45000ths of a second. A value of $00000000 indicates that there is no fixed duration. |