New API call burn_write_opts_set_leadin_text()
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@ -1 +1 @@
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#define Cdrskin_timestamP "2011.12.03.113345"
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#define Cdrskin_timestamP "2011.12.05.203600"
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@ -20,6 +20,7 @@ Content:
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Guided by reading mmc-r10a.pdf , O.8 "Write a Track"
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from http://www.t10.org/ftp/t10/drafts/mmc/
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backed by reading mmc5r03c.pdf from http://www.t10.org/ftp/t10/drafts/mmc5/
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by reading mmc3r10g.pdf from http://www.t10.org/ftp/t10/drafts/mmc3/
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by reading spc3r23.pdf from http://www.t10.org/ftp/t10/drafts/spc3/
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by reading libburn/* from http://icculus.org/burn
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and by experiments with drives NEC ND-4570A, LG GSA-4082B, LITE-ON LTR48125S
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@ -193,7 +194,9 @@ If POINT is >= 1 and <= 99 (63h) then the descriptor is about the track of
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which POINT tells the number.
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The start address of this track can be read from PMIN, PSEC, PFRAME where
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it is encoded in MSF format:
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blocks = frames - 150, 75 frames = 1 sec , 60 sec = 1 min.
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If M is smaller than 90: LBA = (M * 60 + S) * 75 + F - 150
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Else : LBA = (M * 60 + S) * 75 + F - 450150
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The length of the track is given by MIN,SEC,FRAME in the same format.
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If POINT = A0h then the descriptor tells in PMIN the first track number of its
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@ -267,8 +270,8 @@ TNO is the track number (1 to 99).
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INDEX is a subaddress within tracks. This recipe uses only INDEX 01h within
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tracks.
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(mmc5r03c.pdf 4.2.3.5.2)
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DATA FORM is 00h for audio payload , 10h for data. (01h for audio pause is not
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used in libburn).
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DATA FORM is 00h for audio payload, 01h for audio pause, 10h for data,
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41h for CD-TEXT in Lead-in.
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(mmc5r03c.pdf 6.33.3.11 CD-DA Data Form, 6.33.3.12 CD-ROM mode 1 Form)
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SCMS is always 00h.
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MIN, SEC, FRAME give the MSF address where the described data entity starts.
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@ -277,8 +280,9 @@ This address must increase from entry to entry (or at least stay equal).
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The first entry describes the Lead-in. Its content is
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(CTL|ADR ,00h,00h,01h,00h,00h,00h,00h)
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(CTL|ADR ,00h,00h, DATA FORM ,00h,00h,00h,00h)
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With the CTL|ADR for the first track: 41h for data, 01h for audio.
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DATA FORM is 41h if CD-TEXT shall be stored in Lean-in. Else it is 01h.
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The LBA for the first write is negative: -150. This corresponds to MSF address
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00h:00h:00h. All addresses are to be given in MSF format.
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@ -312,6 +316,12 @@ next lower possible value by the drive. So it is helpful to add a few
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kbytes/sec just in case the drive has rounding problems.
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(mmc5r03c.pdf 6.37)
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If CD-TEXT shall be written into Lead-in, then it is necessary to obtain the
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Start Time of Lead-in by 43h READ TOC/PMA/ATIP Format 0100b. It is an MFS
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address which varies from media manufacturer to media manufacturer.
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Minute will be >= 90. Therefore this conversion applies:
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LBA = (M * 60 + S) * 75 + F - 450150
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A Write Parameters mode page 05h has to be composed and transmitted via
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55h MODE SELECT. This page describes the following parameters:
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BUFE Buffer Underrun protection 0=off, 1=on
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@ -338,15 +348,31 @@ blocks written. I.e the Transfer Length of the previous 2Ah WRITE has to be
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added to the Logical Block Address for the next 2Ah WRITE. Only full blocks
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can be written.
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(mmc5r03c.pdf, 6.44)
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Writing begins at LBA -150 which is to be transmitted as 4-byte, Big-endian,
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two's-complement. E.g: -150 = FFh FFh FFh 6Ah. This is the natural form found
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with about any 32-bit processor, so only the endianness has to be taken into
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respect when converting a 32-bit integer into a LBA for command 2Ah WRITE.
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Block addresses may be negative for areas before the normally readable
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data. Data representation of addresses is 4-byte, big-endian, two's-complement.
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E.g: -150 = FFh FFh FFh 6Ah.
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This is the natural form found with about any 32-bit processor, so only
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the endianness has to be taken into respect when converting a 32-bit
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integer into a LBA for command 2Ah WRITE.
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If CD-TEXT shall be written into Lead-in, then writing begins at the start
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address of Lead-in, which was obtained above.
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The 18 bytes of each text pack have to be split up to 24 bytes with only the
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lowest six bits used in each byte. E.g. text pack
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8F 00 2A 00 01 01 03 00 06 05 04 05 07 06 01 02 48 65
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becomes
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23 30 00 2A 00 00 04 01 00 30 00 06 01 10 10 05 01 30 18 01 00 24 21 25
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4 of these 24 byte packs form a block of DATA FORM 41h. I.e. only 96 bytes
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payload per block. The whole range from Lead-in start to LBA -150 has to be
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filled with blocks of this form. Therefore it is necessary to write the
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list of given packs in repeated cycles.
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A typical Lead-in start address is -11635 = FFh FFh D2h 8Dh.
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At first the mandatory pause preceding the first track has to be written as
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150 blocks of the matching sector size: 2048 for data, 2352 for audio.
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By this, the LBA increases from -150 to 0.
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Writing without CD-TEXT begins at LBA -150 = FFh FFh FFh 6Ah.
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In both cases, the mandatory pause preceding the first track has to be
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written as 150 blocks of the matching sector size: 2048 for data,
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2352 for audio. By this, the LBA increases from -150 to 0.
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Next the tracks' payload is sent. For each track exactly the number of blocks
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has to be transmitted as is announced in the Cue Sheet by the difference
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@ -370,6 +396,58 @@ to media by 35h SYNCHRONIZE CACHE.
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No further finalization is necessary. (I.e. no 5Bh CLOSE TRACK SESSION.)
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-------------------------------------------------------------------------------
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Obtaining CD-TEXT from Lead-in :
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Audio CDs may contain CD-TEXT information in their Lead-in. It is gained by
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43h READ TOC/PMA/ATIP, Format 0101b. The reply consists of 4 bytes header,
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of which the first two bytes give the number of following bytes as big-endian
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16 bit number. The other two bytes are 0.
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Following are text packs of 18 bytes each.
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(mmc5r03c.pdf 6.26.3.7.1 table 495)
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The format of a text pack is explained in (mmc3r10g.pdf, appendix J).
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Each pack of a 4-bytes are header, 12 byte pieces of 0-terminated texts
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or binary data, and 2 bytes of CRC.
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The first byte of each pack tells the pack type (text meaning):
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0x80 = Title
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0x81 = Names of performers
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0x82 = Songwriters
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0x83 = Composers,
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0x84 = Arrangers
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0x85 = Messages
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0x86 = text-and-binary: Disc Identification
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0x87 = text-and-binary: Genre Identification
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0x88 = binary: Table of Content information
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0x89 = binary: Second Table of Content information
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0x8e = UPC/EAN code of the album and ISRC code of each track
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0x8f = binary: Size Information of the Block
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The second byte tells the track number to which the first text piece in
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a pack is associated. Number 0 means the whole album. Higher numbers are
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valid for types 0x80 to 0x85, and 0x8e. With these types, there should be
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one text for the disc and one for each track.
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The third byte is a sequential counter.
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The fourth byte is the Block Number and Character Position Indicator.
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It consists of three bit fields:
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bit7 = Double Bytes Character Code (0= single byte characters)
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bit4-6 = Block Number (groups text packs in language blocks)
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bit0-3 = Character position. Either the number of characters which
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the current text inherited from the previous pack, or
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15 if the current text started before the previous pack.
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A text may span over several packs. Unused characters in a pack are used for
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the next text of the same pack type. If no text of the same type follows,
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then the remaining text bytes are set to 0.
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The CRC algorithm is known as CRC-16-CCITT with divisor 0x11021.
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MMC-3 says: "All bits shall be inverted."
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----------------------------------------------------------------------------
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What is known about mixed mode sessions :
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@ -1310,8 +1310,8 @@ int burn_disc_get_cd_info(struct burn_drive *d, char disc_type[80],
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0x8f = binary: Size Information of the Block
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The second byte tells the track number to which the first text piece in
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a pack is associated. Number 0 means the whole album. Higher numbers are
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valid for types 0x80 to 0x85, and 0x8e. There should be one text for each
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track with these types.
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valid for types 0x80 to 0x85, and 0x8e. With these types, there should be
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one text for the disc and one for each track.
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The third byte is a sequential counter.
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The fourth byte is the Block Number and Character Position Indicator.
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It consists of three bit fields:
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@ -1321,13 +1321,14 @@ int burn_disc_get_cd_info(struct burn_drive *d, char disc_type[80],
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the current text inherited from the previous pack, or
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15 if the current text started before the previous pack.
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The two CRC bytes are optional. Polynomial is x^16 + x^12 + x^5 + 1.
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"All bits shall be inverted."
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@param d The drive to query.
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@param text_packs Will point to an allocated memory buffer with CD-TEXT.
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It will only contain text packs, and not be prepended
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by the TOC header of four bytes, which gets stored with
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file cdtext.dat by cdrecord -vv -toc. The first two of
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these bytes are supposed hold the number of CD-TEXT
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these bytes are supposed to hold the number of CD-TEXT
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bytes + 2. The other two bytes are supposed to be 0.
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Dispose this buffer by free(), when no longer needed.
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@param num_packs Will tell the number of text packs, i.e. the number of
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@ -2431,6 +2432,23 @@ void burn_write_opts_set_mediacatalog(struct burn_write_opts *opts, unsigned cha
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*/
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void burn_write_opts_set_multi(struct burn_write_opts *opts, int multi);
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/* ts B11204 */
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/** Submit an array of CD-TEXT packs which shall be written to the Lead-in
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of a SAO write run on CD.
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@param opts The option object to be manipulated
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@param text_packs Array of bytes which form CD-TEXT packs of 18 bytes
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each. See burn_disc_get_leadin_text() for a description
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of the text pack format.
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No header of 4 bytes must be prepended which would
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tell the number of pack bytes + 2.
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@param num_packs The number of 18 byte packs in text_packs.
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@param flag Bitfield for control purposes. Unused yet. Submit 0.
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@return 1 on success, <= 0 on failure
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@since 1.2.0
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*/
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int burn_write_opts_set_leadin_text(struct burn_write_opts *opts,
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unsigned char *text_packs,
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int num_packs, int flag);
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/* ts A61222 */
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/** Sets a start address for writing to media and write modes which allow to
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@ -154,6 +154,7 @@ burn_write_opts_set_fillup;
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burn_write_opts_set_force;
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burn_write_opts_set_format;
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burn_write_opts_set_has_mediacatalog;
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burn_write_opts_set_leadin_text;
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burn_write_opts_set_mediacatalog;
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burn_write_opts_set_multi;
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burn_write_opts_set_perform_opc;
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@ -577,6 +577,7 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
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0x00020188 (FAILURE,HIGH) = Cannot close damaged track on given media type
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0x00020189 (FATAL,HIGH) = Drive is already grabbed by libburn
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0x0002018a (SORRY,HIGH) = Timeout exceeded. Retry cancled.
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0x0002018b (FAILURE,HIGH) = Too many CD-TEXT packs
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libdax_audioxtr:
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0x00020200 (SORRY,HIGH) = Cannot open audio source file
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@ -945,7 +945,7 @@ int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
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#ifdef Libburn_log_in_and_out_streaM
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/* <<< ts A61031 */
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if(tee_fd!=-1) {
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write(tee_fd,c->page->data,len*2048);
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write(tee_fd, c->page->data, c->page->bytes);
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}
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#endif /* Libburn_log_in_and_out_streaM */
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@ -12,6 +12,7 @@
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#include "options.h"
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#include "drive.h"
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#include "transport.h"
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#include "init.h"
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/* ts A61007 */
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/* #include <a ssert.h> */
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@ -51,6 +52,8 @@ struct burn_write_opts *burn_write_opts_new(struct burn_drive *drive)
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opts->do_stream_recording = 0;
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opts->dvd_obs_override = 0;
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opts->stdio_fsync_size = Libburn_stdio_fsync_limiT;
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opts->text_packs = NULL;
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opts->num_text_packs = 0;
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opts->has_mediacatalog = 0;
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opts->format = BURN_CDROM;
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opts->multi = 0;
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@ -60,8 +63,11 @@ struct burn_write_opts *burn_write_opts_new(struct burn_drive *drive)
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void burn_write_opts_free(struct burn_write_opts *opts)
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{
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if (--opts->refcount <= 0)
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free(opts);
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if (--opts->refcount > 0)
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return;
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if (opts->text_packs != NULL)
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free(opts->text_packs);
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free(opts);
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}
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struct burn_read_opts *burn_read_opts_new(struct burn_drive *drive)
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@ -189,6 +195,41 @@ void burn_write_opts_set_multi(struct burn_write_opts *opts, int multi)
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}
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/* ts B11204 */
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int burn_write_opts_set_leadin_text(struct burn_write_opts *opts,
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unsigned char *text_packs,
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int num_packs, int flag)
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{
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int ret;
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unsigned char *pack_buffer = NULL;
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if (num_packs > 3640) {
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/* READ TOC/PMA/ATIP can at most return 3640.7 packs */
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libdax_msgs_submit(libdax_messenger, opts->drive->global_index,
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0x0002018b,
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LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
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"Too many CD-TEXT packs (> 3640)", 0, 0);
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ret= 0; goto ex;
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}
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if (num_packs > 0)
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BURN_ALLOC_MEM(pack_buffer, unsigned char, num_packs * 18);
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if (opts->text_packs != NULL) {
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free(opts->text_packs);
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opts->text_packs = NULL;
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}
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if (num_packs > 0) {
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memcpy(pack_buffer, text_packs, num_packs * 18);
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opts->text_packs = pack_buffer;
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}
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opts->num_text_packs = num_packs;
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ret = 1;
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ex:;
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return ret;
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}
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/* ts A61222 */
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void burn_write_opts_set_start_byte(struct burn_write_opts *opts, off_t value)
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{
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@ -296,6 +337,10 @@ do_sao:;
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{wt = BURN_WRITE_SAO; goto ex;}
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no_sao:;
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try_tao:;
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if (opts->num_text_packs > 0) {
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strcat(reasons, "CD-TEXT: write type SAO required, ");
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{wt = BURN_WRITE_NONE; goto ex;}
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}
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if ((flag & 1) && opts->write_type != BURN_WRITE_TAO)
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goto try_raw;
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reason_pt = reasons + strlen(reasons);
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@ -69,6 +69,9 @@ struct burn_write_opts
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Values 0 or >= 32 counted in 2 KB blocks. */
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int stdio_fsync_size;
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/* ts B11203 : CD-TEXT */
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unsigned char *text_packs;
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int num_text_packs;
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/** A disc can have a media catalog number */
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int has_mediacatalog;
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@ -368,6 +368,7 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
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int nwa)
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{
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int i, m, s, f, form, pform, runtime = -150, ret, track_length;
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int leadin_form;
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unsigned char ctladr;
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struct burn_drive *d;
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struct burn_toc_entry *e;
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@ -404,7 +405,11 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
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"Track mode has unusable value", 0, 0);
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goto failed;
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}
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ret = add_cue(sheet, ctladr | 1, 0, 0, 1, 0, runtime);
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if (o->num_text_packs > 0)
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leadin_form = 0x41;
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else
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leadin_form = 0x01;
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ret = add_cue(sheet, ctladr | 1, 0, 0, leadin_form, 0, runtime);
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if (ret <= 0)
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goto failed;
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ret = add_cue(sheet, ctladr | 1, 1, 0, form, 0, runtime);
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@ -650,11 +655,110 @@ int burn_write_leadout(struct burn_write_opts *o,
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return 1;
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}
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int burn_write_leadin_cdtext(struct burn_write_opts *o, struct burn_session *s,
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int flag)
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{
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int ret, i, j, si, lba, sub_cursor = 0, err, write_lba, sectors = 0;
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unsigned char *subdata = NULL;
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struct burn_drive *d = o->drive;
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struct buffer *buf = NULL;
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enum burn_drive_status was_busy;
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#ifdef Libburn_debug_cd_texT
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unsigned char *packs;
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#endif
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if (o->num_text_packs <= 0)
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{ret = 1; goto ex;}
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was_busy = d->busy;
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d->busy = BURN_DRIVE_WRITING_LEADIN;
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#ifdef Libburn_debug_cd_texT
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packs = o->text_packs;
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fprintf(stderr,
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"libburn_DEBUG: 8 bit CD-TEXT packs to be transmitted:\n");
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for (i = 0; i < 18 * o->num_text_packs; i += 18) {
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fprintf(stderr, "%4d :", i / 18);
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for (j = 0; j < 18; j++) {
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if (j >= 4 && j <= 15 && packs[i + j] >= 32 &&
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packs[i + j] <= 126 && packs[i] != 0x88 &&
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packs[i] != 0x89 && packs[i] != 0x8f)
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fprintf(stderr, " %c", packs[i + j]);
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else
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fprintf(stderr, " %2.2X", packs[i + j]);
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}
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fprintf(stderr, "\n");
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}
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#endif /* Libburn_debug_cd_texT */
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/* Chop from 8 bit text pack to 6 bit subchannel */
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||||
BURN_ALLOC_MEM(subdata, unsigned char, o->num_text_packs * 24);
|
||||
for (i = 0; i < 18 * o->num_text_packs; i += 3) {
|
||||
si = i / 3 * 4;
|
||||
subdata[si + 0] = (o->text_packs[i + 0] >> 2) & 0x3f;
|
||||
subdata[si + 1] = (o->text_packs[i + 0] << 4) & 0x30;
|
||||
subdata[si + 1] |= (o->text_packs[i + 1] >> 4) & 0x0f;
|
||||
subdata[si + 2] = (o->text_packs[i + 1] << 2) & 0x3c;
|
||||
subdata[si + 2] |= (o->text_packs[i + 2] >> 6) & 0x03;
|
||||
subdata[si + 3] = (o->text_packs[i + 2] >> 0) & 0x3f;
|
||||
}
|
||||
|
||||
/* Start at Lead-in address of ATIP and write blocks up to -150 */
|
||||
BURN_ALLOC_MEM(buf, struct buffer, 1);
|
||||
write_lba = d->start_lba;
|
||||
for (lba = d->start_lba; lba < -150; lba++) {
|
||||
/* Collect subdata in buf */
|
||||
for (j = 0; j < 4; j++) {
|
||||
memcpy(buf->data + buf->bytes,
|
||||
subdata + sub_cursor * 24, 24);
|
||||
sub_cursor = (sub_cursor + 1) % o->num_text_packs;
|
||||
buf->bytes += 24;
|
||||
}
|
||||
buf->sectors++;
|
||||
sectors++;
|
||||
|
||||
/* When full or last sector : perform WRITE */
|
||||
if (buf->bytes + 96 >= 32768 || lba == -151) {
|
||||
|
||||
#ifdef Libburn_debug_cd_texT
|
||||
fprintf(stderr,
|
||||
"libburn_DEBUG: 6 bit data to be transmitted:\n");
|
||||
for (i = 0; i < buf->bytes; i += 24) {
|
||||
fprintf(stderr, "%4d :", i / 24);
|
||||
for (j = 0; j < 24; j++)
|
||||
fprintf(stderr, " %2.2X",
|
||||
buf->data[i + j]);
|
||||
fprintf(stderr, "\n");
|
||||
}
|
||||
#endif /* Libburn_debug_cd_texT */
|
||||
|
||||
err = d->write(d, write_lba, buf);
|
||||
if (err == BE_CANCELLED)
|
||||
{ ret = 0; goto ex; }
|
||||
write_lba += sectors;
|
||||
sectors = buf->sectors = buf->bytes = 0;
|
||||
}
|
||||
}
|
||||
ret = 1;
|
||||
ex:;
|
||||
BURN_FREE_MEM(subdata);
|
||||
BURN_FREE_MEM(buf);
|
||||
d->busy = was_busy;
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
int burn_write_session(struct burn_write_opts *o, struct burn_session *s)
|
||||
{
|
||||
struct burn_drive *d = o->drive;
|
||||
int i, ret;
|
||||
|
||||
if (o->write_type == BURN_WRITE_SAO) {
|
||||
ret = burn_write_leadin_cdtext(o, s, 0);
|
||||
if (ret <= 0)
|
||||
goto ex;
|
||||
}
|
||||
d->rlba = 0;
|
||||
for (i = 0; i < s->tracks; i++) {
|
||||
if (!burn_write_track(o, s, i))
|
||||
@ -1001,6 +1105,10 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
|
||||
reason_pt= reasons + strlen(reasons);
|
||||
if (d->status == BURN_DISC_UNSUITABLE)
|
||||
goto unsuitable_profile;
|
||||
if (d->current_profile != 0x09 && d->current_profile != 0x0a)
|
||||
if (o->num_text_packs > 0)
|
||||
strcat(reasons,
|
||||
"CD-TEXT supported only with write CD media, ");
|
||||
if (d->drive_role == 2 || d->drive_role == 5 ||
|
||||
d->current_profile == 0x1a || d->current_profile == 0x12 ||
|
||||
d->current_profile == 0x43) {
|
||||
@ -1014,6 +1122,14 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
|
||||
strcat(reasons, "unsuitable track mode found, ");
|
||||
if (o->start_byte >= 0)
|
||||
strcat(reasons, "write start address not supported, ");
|
||||
if (o->num_text_packs > 0) {
|
||||
if (o->write_type != BURN_WRITE_SAO)
|
||||
strcat(reasons,
|
||||
"CD-TEXT supported only with write type SAO, ");
|
||||
if (d->start_lba == -2000000000)
|
||||
strcat(reasons,
|
||||
"No Lead-in start address known with CD-TEXT, ");
|
||||
}
|
||||
} else if (d->current_profile == 0x13) {
|
||||
/* DVD-RW Restricted Overwrite */
|
||||
if (o->start_byte >= 0 && (o->start_byte % 32768))
|
||||
|
Loading…
Reference in New Issue
Block a user