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filter-graph: add gain option to sofa

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So that we can apply the gain to the IR. This is more efficient than
doing a volume after the convolution.

See #5098
This commit is contained in:
Wim Taymans 2026-02-02 16:21:03 +01:00
parent f60e03b4ef
commit 3c80f0fb3e
3 changed files with 50 additions and 21 deletions
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8
src/modules/module-filter-chain.c
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@ -717,6 +717,7 @@ extern struct spa_handle_factory spa_filter_graph_factory;
* blocksize = ...
* tailsize = ...
* filename = ...
* gain = ...
* }
* control = {
* "Azimuth" = ...
@ -733,9 +734,10 @@ extern struct spa_handle_factory spa_filter_graph_factory;
* - `blocksize` specifies the size of the blocks to use in the FFT. It is a value
* between 64 and 256. When not specified, this value is
* computed automatically from the number of samples in the file.
* - `tailsize` specifies the size of the tail blocks to use in the FFT.
* - `filename` The SOFA file to load. SOFA files usually end in the .sofa extension
* and contain the HRTF for the various spatial positions.
* - `tailsize` specifies the size of the tail blocks to use in the FFT.
* - `filename` The SOFA file to load. SOFA files usually end in the .sofa extension
* and contain the HRTF for the various spatial positions.
* - `gain` the overall gain to apply to the IR file.
*
* - `Azimuth` controls the azimuth, this is the direction the sound is coming from
* in degrees between 0 and 360. 0 is straight ahead. 90 is left, 180