Audio Mixer: Technical Specs - Revision history

Rod at 17:16, 26 September 2018

2018-09-26T17:16:38Z

2018-09-26T12:32:50Z

2018-09-26T12:32:07Z

2011-01-25T11:29:44Z

2011-01-25T11:29:21Z

2011-01-25T11:26:33Z

2010-05-27T10:24:04Z

2010-05-27T10:21:07Z

2010-05-27T10:19:16Z

2010-05-27T10:18:55Z

← Older revision		Revision as of 17:16, 26 September 2018
Line 1:		Line 1:
−	[[Audio Mixer]] DirectShow specs.	+	==[[Audio Mixer]] DirectShow specs==

	Audio mixer is a standard DirectShow filter.		Audio mixer is a standard DirectShow filter.

← Older revision		Revision as of 12:32, 26 September 2018
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	The filter has IMLAudioMixer interface and property page for set/get parameters of mixing (Input/channel -> Output/channel) and other parameters.		The filter has IMLAudioMixer interface and property page for set/get parameters of mixing (Input/channel -> Output/channel) and other parameters.
		+
		+	[[Category: Technical Specs]]
		+	__NOTOC__

@@ Line 25: / Line 25: @@
 WAVEFORMATEX::nSamplesPerSec: the same for all inputs and outputs.
 WAVEFORMATEX::nChannels from 1 to 32. Can be different for different input/output pins.
 WAVEFORMATEX::wBitsPerSample: from 8 to 32. Can be different for different input/output pins.

@@ Line 24: / Line 24: @@
 Parameters of format:
-WAVEFORMATEX::nSamplesPerSec and WAVEFORMATEX::wBitsPerSample: the same for all inputs/outputs.
+WAVEFORMATEX::nSamplesPerSec: the same for all inputs and outputs.
-−
 WAVEFORMATEX::nChannels from 1 to 32. Can be different for different input/output pins.
 Any channel(s) of any input pin(s) can be mixed with any other channel(s) of same or other input pin(s). Mixing coefficients can be changed in play time
@@ Line 33: / Line 33: @@
 Notes:
-* All input frequencies and bits per mono samples should be identical (resampling not implemented in current version).
+* All input frequencies should be identical (resampling not implemented in current version).
-−
-* Only 8 or 16 bits per mono audio sample supported in current version
 * After start of graph the media type of output pins cannot be changed.
 The filter has IMLAudioMixer interface and property page for set/get parameters of mixing (Input/channel -> Output/channel) and other parameters.

@@ Line 8: / Line 8: @@
 Number of output pins = 1 for stereo and mono modes and from 1 to 64 for custom mode (new pin will be added after connection of all
 free output pins).
 Input/output media type:

@@ Line 3: / Line 3: @@
 Audio mixer is a standard DirectShow filter.
-Number of input pins >= 1 (new pin will be added after connection of all
+Number of input pins = 2 for stereo and mono modes and from 1 to 64 for custom mode (new pin will be added after connection of all
 free input pins).
-Number of output pins >= 1 (new pin will be added after connection of all
+Number of output pins = 1 for stereo and mono modes and from 1 to 64 for custom mode (new pin will be added after connection of all
 free output pins).

← Older revision		Revision as of 10:21, 27 May 2010
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	* After start of graph the media type of output pins cannot be changed.		* After start of graph the media type of output pins cannot be changed.

−	The filter ~~will have a COM~~ interface and property page for set/get parameters of mixing (Input/channel -> Output/channel).	+	The filter has IMLAudioMixer interface and property page for set/get parameters of mixing (Input/channel -> Output/channel) and other parameters.

@@ Line 31: / Line 31: @@
 Notes:
-* All input frequencies should be identical (resampling not implemented in current version).
+* All input frequencies and bits per mono samples should be identical (resampling not implemented in current version).
-* After start of graph the media type of output pins cannot be changed (mono to stereo and vice versa).
+* Only 8 or 16 bits per mono samples supported in current version
 The filter will have a COM interface and property page for set/get parameters of mixing (Input/channel -> Output/channel).