MCUXpresso SDK Documentation
Open on Repo Open an Issue
Source (.md/.rst) Page PDF (.pdf)

Maestro encoder sample

Maestro encoder sample#

Description#

Tests and demonstrates encoder functionality in Maestro pipeline.

Supported encoders:

  • OPUS with OGG envelop - TBD

  • RAW OPUS - TBD

Input:

  • Prepared decoded audio data (RAW PCM format, part of Maestro repository)

  • Prepared encoded audio data (part of Maestro repository)

Function:

  1. Loads RAW data into source buffer stored in RAM

  2. Encodes audio data using selected encoder and stores data in RAM

  3. Compares prepared data with decoded data if same

  4. Prints Demo result: OK or Demo result: FAIL via UART

Dependencies#

  • Audio voice component library (pulled in by Maestro’s west), containing Encoder libraries

User Input/Output#

Input:

  • None

Output:

  • UART Output

    • Demo result: OK if everything went OK

    • Demo result: FAIL otherwise

Configuration#

  • See prj.conf for user input sections

    • Selecting encoder may be done by enabling CONFIG_MAESTRO_EXAMPLE_ENCODER_SELECTED_<ENCODER_NAME> in prj.conf file. When no encoder is selected, default one (OPUS) is used instead.

    • System settings should be modified (stack size, heap size) based on selected encoder and system capabilities/requirements in prj.conf file.

  • For other configuration options, see example’s Kconfig and prj.conf.

Supported platforms#

Currently tested for:

  • RD_RW612_BGA - Working encoders: None.

Contents