Changes between Version 8 and Version 9 of SV8Specification

Timestamp:

10/25/06 00:51:01 (18 years ago)

Author:

r2d

Comment:

--

SV8Specification

@@ -9 +9 @@
 New value so old decoders will happily skip such files.
 
-
 == Block formatting ==
 
 All blocks are formated using Key / Length / Value.[[BR]]
 Key is 16 bits long. It's the block ID.[[BR]]
-Variable block length encoding ([http://svn.mplayerhq.hu/mplayer/trunk/DOCS/tech/nut.txt?view=markup NUT] way) :
+Length is a variable size field using the same values as [http://svn.mplayerhq.hu/mplayer/trunk/DOCS/tech/nut.txt?view=markup nut] :[[BR]]
 {{{
 bits, big-endian
@@ -37 +36 @@
 
 This block key is "SI".[[BR]]
-This block contain the informations needed to decode the stream. This block is mandatory and must be written before the first audio block.[[BR]]
+This block contains the informations needed to decode the stream. This block is mandatory and must be written before the first audio block.[[BR]]
 
 || '''Field''' || '''length (bits)''' || '''Value''' || '''comment''' ||
 || CRC || 32 ||  || CRC 32 of the block (this field excluded). 0 = invalid ||
+|| Version || 8 || 0x08 || bitstream version ||
 || Sample count || n*8; 0 < n < 10 ||  || number of samples in the stream. 0 = unknow ||
 || Sample Frequency || 4 ||  || see table below ||
@@ -83 +83 @@
 || profile used || 4 || 0..15 ||  ||
 || unused || 4 ||  ||  ||
-|| encoder version || 24 || 0-255.0-255.a-z ||  ||
-
-( 32 bits for encoder version like MajorNumber.MinorNumber.Implementation.Build ? )
+|| encoder version || 32 ||  || MajorNumber.MinorNumber.Implementation.Build ||
 
 == Audio block ==
 
 This block key is "AB".[[BR]]
-This block contain audio frames. The first frame is a key frame.[[BR]]
+This block contains audio frames. The first frame is a key frame.[[BR]]
 
 The seek elements allow to jump back or forward. The block size can be used to seek 1 block forward.[[BR]]
@@ -96 +94 @@
 
 || '''Field''' || '''length (bits)''' || '''Value''' || '''comment''' ||
+|| header length || 8 || 4 || number of bytes before audio data (after this byte) ||
 || ~~seek block nb~~ || 4 || 2..17 || the number of blocks that can be skiped is 2^Value^ ||
 || ~~seek offset~~ || 28 || -2^27^..2^27^-1 || number of bytes to jump the blocks from the beginning of this block. 0 = invalid ||
@@ -112 +111 @@
 To be defined later. May be better to keep security features external only.
 
+
 == Tags ==