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CHANGELOG.rst

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lib_src change log

2.7.0

  • CHANGED: Documentation updates
  • CHANGED: Build examples and tests using XCommon CMake instead of XCommon
  • FIXED: Warning about "ASRC_TASK using defaults" if using lib_src without using asrc_task
  • Changes to dependencies:
    • lib_logging: 3.2.0 -> 3.3.1

2.6.0

  • ADDED: Documentation characterising latency for ASRC and associated subsystems
  • ADDED: Return code on asynchronous_fifo_consumer_get() to indicate if samples are valid or not
  • CHANGED: ASRC task zeros pulled samples if FIFO get is not valid

2.5.0

  • FIXED: Double buffer asrc_io.input_timestamp to prevent producer timestamp getting overwritten during asrc processing
  • REMOVED: xscope_used argument from the asynchronous_fifo_producer_put() API
  • ADDED: VPU enabled ASRC and SSRC providing a 2x speed improvement
  • ADDED: Asynchronous FIFO with phase detector and PID rate controller for ASRC usage
  • ADDED: Support for XCommon CMake build system
  • FIXED: Function pointer annotation avoid stack corruption when using multiple instances of SSRC or ASRC.
  • ADDED: ASRC task wrapper to simplify integration of ASRC blocks
  • Changes to dependencies:
    • lib_logging: 3.1.1 -> 3.2.0
    • lib_xassert: Removed dependency

2.4.0

  • ADDED: Support for building the core ASRC code in the C emulator as a library
  • ADDED: Auto-generated ASRC and SSRC performance plots in documentation
  • ADDED: Documentation warning about overflow in XS3 optimized SRC components
  • CHANGED: Documents built under Jenkins instead of Github Actions
  • CHANGED: Tested against fwk_core v1.0.2 updated from v1.0.0

2.3.0

  • ADDED: XS3 VPU optimised voice fixed factor of 3 upsampling/downsampling
  • ADDED: XS3 VPU optimised voice fixed factor of 3/2 upsampling/downsampling
  • CHANGED: OS3 uses firos3_144.dat coefficients by default inline with model
  • CHANGED: Replaced xmostest with pytest for all SRC automated tests
  • CHANGED: Used XMOS doc builder for documentation
  • CHANGED: Golden reference test signals now generated automatically by CI
  • RESOLVED: Linker warning on channel ends
  • REMOVED: AN00231 ASRC App Note. See github.com/xmos/sln_voice/examples
  • CHANGED: Increased precision of the fFsRatioDeviation used in the C emulator from float to double
  • CHANGED: Allow for 64 bits in the rate ratio passed to asrc_process() for extra precision
  • Changes to dependencies:
    • lib_logging: 2.0.1 -> 3.1.1
    • lib_xassert: 2.0.1 -> 4.1.0

2.2.0

  • CHANGED: Made the FIR coefficient array that is used with the voice fixed factor of 3 up and down sampling functions usable from within C files as well as XC files.
  • CHANGED: Aligned the FIR coefficient array to an 8-byte boundary. This ensures that the voice fixed factor of 3 up and down sampling functions do not crash with a LOAD_STORE exception.
  • ADDED: Missing device attributes to the .xn file of the AN00231 app note.
  • ADDED: Minimal cmake support.

2.1.0

  • CHANGED: Use XMOS Public License Version 1

2.0.1

  • CHANGED: Pin Python package versions
  • REMOVED: not necessary cpanfile

2.0.0

  • CHANGED: Build files updated to support new "xcommon" behavior in xwaf.

1.1.2

  • CHANGED: initialisation lists to avoid warnings when building

1.1.1

  • RESOLVED: correct compensation factor for voice upsampling
  • ADDED: test of voice unity gain

1.1.0

  • ADDED: Fixed factor of 3 conversion functions for downsampling and oversampling
  • ADDED: Fixed factor of 3 downsampling function optimised for use with voice (reduced memory and compute footprint)
  • ADDED: Fixed factor of 3 upsampling function optimised for use with voice (reduced memory and compute footprint)

1.0.0

  • Initial version
  • Changes to dependencies:
    • lib_logging: Added dependency 2.0.1
    • lib_xassert: Added dependency 2.0.1