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The default of choosing the fixed-point implementation if the target hardware does not have floating-point unit is not always the best choice. Modern ARM hardware has floating point support but most likely the fixed-point implementation in Opus will still perform better. In particular if your CPU supports the NEON extension. This commit allows to select the fixed-point implementation manually and sets the default based on the availability of a floating-point unit. [Peter: force option for sw float, slightly reword] Signed-off-by: Sven Neumann <neumann@teufel.de> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
27 lines
802 B
Plaintext
27 lines
802 B
Plaintext
config BR2_PACKAGE_OPUS
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bool "opus"
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help
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The Opus codec is designed for interactive speech and audio
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transmission over the Internet. It is designed by the IETF
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Codec Working Group and incorporates technology from Skype's
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SILK codec and Xiph.Org's CELT codec.
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It is intended to suit a wide range of interactive audio
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applications, including Voice over IP, videoconferencing,
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in-game chat, and even remote live music performances. It
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can scale from low bit-rate narrowband speech to very high
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quality stereo music.
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http://opus-codec.org
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if BR2_PACKAGE_OPUS
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config BR2_PACKAGE_OPUS_FIXED_POINT
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bool "use fixed-point" if !BR2_SOFT_FLOAT
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default y if BR2_SOFT_FLOAT
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help
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Compile without floating point operations (for machines
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without a fast enough FPU).
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endif
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