3dbrew

Changes

BCWAV (edit)

Revision as of 14:38, 20 December 2020

285 bytes added ,  14:38, 20 December 2020
B doesn't stand for Banner, but for Binary (same all of the other NW4C related file formats).
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[[Category:File formats]]
 
[[Category:File formats]]
−
This document is about the format of Banner's CTR Wave files (BCWAV).
+
This document is about the format of Binary CTR Wave files (BCWAV). The structure is very similar to Microsoft's Wave file.
−
 
  −
The structure is very similar to Microsoft's Wave file.
  −
 
  −
Banner CWAV total channels must be 2, and the length of the audio in seconds must be 3 seconds or less.
      
=== Overview ===
 
=== Overview ===
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| 0x018 || 4 || Reserved
 
| 0x018 || 4 || Reserved
 
|-
 
|-
−
| 0x01C || 4 + Count * 8 || [[#Channel Info|Channel Info]] [[#Reference Table|Reference Table]] (Offsets relative to this field)
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| 0x01C || X || [[#Channel Info|Channel Info]] [[#Reference Table|Reference Table]]
 +
|-
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| X || X || [[#Channel Info|Channel Info]] Entries
 
|}
 
|}
   −
The info block is aligned to 0x20 bytes.
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If encoding is DSP ADPCM:
 +
 
 +
{| class="wikitable" border="1"
 +
|-
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! OFFSET !! SIZE !!  DESCRIPTION
 +
|-
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| X || X || [[#DSP ADPCM Info|DSP ADPCM Info]] Entries
 +
|}
   −
=== Data Block ===
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If encoding is IMA ADPCM:
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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! OFFSET !! SIZE !!  DESCRIPTION
 
! OFFSET !! SIZE !!  DESCRIPTION
 
|-
 
|-
−
| 0x000 || 8 || [[#Block Header|Block Header]]
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| X || X || [[#IMA ADPCM Info|IMA ADPCM Info]] Entries
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|-
  −
| 0x008 || [[#Block Header|Block Header]] Size - 8 || Data
   
|}
 
|}
   −
The data block is aligned to 0x20 bytes, as well as the data field's actual sample data.
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The info block is aligned to 0x20 bytes.
   −
=== Encoding ===
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==== Encoding ====
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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|}
 
|}
   −
=== Channel Info ===
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==== Channel Info ====
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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|}
 
|}
   −
=== DSP ADPCM Info ===
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===== DSP ADPCM Info =====
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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|}
 
|}
   −
=== DSP ADPCM Param ===
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====== DSP ADPCM Param ======
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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|}
 
|}
   −
=== DSP ADPCM Context ===
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====== DSP ADPCM Context ======
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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|}
 
|}
   −
=== IMA ADPCM Info ===
+
===== IMA ADPCM Info =====
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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|}
 
|}
   −
=== IMA ADPCM Context ===
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====== IMA ADPCM Context ======
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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| 0x003 || 1 || Padding
 
| 0x003 || 1 || Padding
 
|}
 
|}
 +
 +
=== Data Block ===
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 +
{| class="wikitable" border="1"
 +
|-
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! OFFSET !! SIZE !!  DESCRIPTION
 +
|-
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| 0x000 || 8 || [[#Block Header|Block Header]]
 +
|-
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| 0x008 || [[#Block Header|Block Header]] Size Value - 8 || Data
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|}
 +
 +
The data block is aligned to 0x20 bytes, as well as the data field's actual sample data.
    
=== Reference Table ===
 
=== Reference Table ===
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| 0x000 || 4 || Count
 
| 0x000 || 4 || Count
 
|-
 
|-
−
| 0x004 || Count * 8 || [[#Reference|References]]
+
| 0x004 || Count * 8 || [[#Reference|References]] (Offsets relative to Count field)
 
|}
 
|}
  
PabloMK7
24

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