Hi,
I've facing some problems with kAudioChannelLayoutTag_UseChannelDescriptions
implementation.
When I report this layout tag for output in my plugin, I receive the error
while trying to pass AU validation:
# # AudioChannelLayouts (1), Output Scope:
ChannelLayout is Writable: T
The Unit publishes the following Channel Layouts:
0x0 (Use_Channel_Descriptions)
Is Audio Channel Layout Available:
Mono Stereo Binau. AU_4 Ambi. AU_5 AU_5_0
AU_6 AU_6_0 AU_7_0 AU_7_0F AU_8 AU_5_1 AU_6_1 AU_7_1 AU_7_1F
X X X X X X X
X X X X X X X X X
ERROR: Mismatch between reported channel layouts and
reported numChannels
(*please see the full report at the end of this message)
When I use the “regular” layout tag (like kAudioChannelLayoutTag_MPEG_7_1_C)
for my plugin output, it's passing AU validation successfully.
In fact, I need kAudioChannelLayoutTag_MPEG_7_1_C instead of
kAudioChannelLayoutTag_UseChannelDescriptions, but I can’t use this tag
because I need it will be supported by Logic and Logic currently doesn’t
support kAudioChannelLayoutTag_MPEG_7_1_C.
(kAudioChannelLayoutTag_MPEG_7_1_A and kAudioChannelLayoutTag_MPEG_7_1_B
supported only)
How can I avoid this validation error with
kAudioChannelLayoutTag_UseChannelDescriptions used?
When can I read information about the
kAudioChannelLayoutTag_UseChannelDescriptions implementation and the error
above? (or, no less importance, to see implementation examples?)
I tried to search (internet/SDK’s/…) some info about all above but can’t find
anything really helps.
Any explanations/instructions/help will be highly appreciated.
Please advise.
Thank you,
Alexander.
* My System:
Mac Pro, OS X 10.9.5 Mavericks.
CoreAudio 4.2.1
** AU validation fail log:
--------------------------------------------------
FORMAT TESTS:
Reported Channel Capabilities (explicit):
[2, 8]
Input/Output Channel Handling:
1-1 1-2 1-4 1-5 1-6 1-7 1-8 2-2 2-4 2-5 2-6 2-7 2-8
4-4 4-5 5-5 6-6 7-7 8-8
X
ca_require: IsStreamFormatWritable(inScope, inElement) NotWritable
/Volumes/Data/p4client_Mavericks/ProAudio/SDKs/CoreAudio/1.1/AudioUnits/AUPublic/AUBase/AUBase.cpp:871
# # AudioChannelLayouts (3), Input Scope:
ChannelLayout is Writable: T
The Unit publishes the following Channel Layouts:
0x650002, 0x660002, 0x6A0002,
Is Audio Channel Layout Available:
Mono Stereo Binau. AU_4 Ambi. AU_5 AU_5_0 AU_6 AU_6_0 AU_7_0
AU_7_0F AU_8 AU_5_1 AU_6_1 AU_7_1 AU_7_1F
X X
Current Format:AudioStreamBasicDescription: 2 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x650002, New Format Tag = 0x650002, Successsful
Current Format:AudioStreamBasicDescription: 2 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x650002, New Format Tag = 0x6A0002, Successsful
# # AudioChannelLayouts (1), Output Scope:
ChannelLayout is Writable: T
The Unit publishes the following Channel Layouts:
0x0 (Use_Channel_Descriptions)
Is Audio Channel Layout Available:
Mono Stereo Binau. AU_4 Ambi. AU_5 AU_5_0 AU_6 AU_6_0 AU_7_0
AU_7_0F AU_8 AU_5_1 AU_6_1 AU_7_1 AU_7_1F
X X X X X X X X X X
X X X X X X
ERROR: Mismatch between reported channel layouts and reported numChannels
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x640001, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x650002, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x6A0002, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x6C0004, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x6B0004, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x6D0005, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x760005, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x6E0006, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x8B0006, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x8C0007, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x940007, Success - did not reset
format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x0, New Format Tag = 0x6F0008, Successsful
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x6F0008, New Format Tag = 0x790006, Success - did not
reset format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x6F0008, New Format Tag = 0x7D0007, Success - did not
reset format with mis-matched layout
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x6F0008, New Format Tag = 0x800008, Successsful
Current Format:AudioStreamBasicDescription: 8 ch, 44100 Hz, 'lpcm'
(0x00000029) 32-bit little-endian float, deinterleaved
Current Format Tag = 0x800008, New Format Tag = 0x7E0008, Successsful
* * FAIL
--------------------------------------------------
AU VALIDATION FAILED: CORRECT THE ERRORS ABOVE.
--------------------------------------------------
validation result: failed validation
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