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Audio: MFCC: Use the MFCC module as compress PCM encoder with discontinuous stream #10814

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Audio: MFCC: Use the MFCC module as compress PCM encoder with discontinuous stream #10814

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6d13c9d
Audio: MFCC: Add Voice Activity Detection based on Mel spectrum
singalsu May 12, 2026
76b5e3e
Audio: MFCC: Add Python script for speech to text with Whisper model
singalsu May 19, 2026
475346a
Audio: MFCC: Add VAD switch control notification to user space
singalsu May 19, 2026
cc94891
Audio: MFCC: Fix memory leak on reset-prepare cycles
singalsu May 22, 2026
c848236
audio: mfcc: switch to source/sink API, int32 output, and DTX
singalsu May 22, 2026
d9e590a
base_fw: advertise BESPOKE codec for MFCC compress capture
singalsu May 26, 2026
e831268
audio: mfcc: update decode tools and add Python compress scripts
singalsu May 26, 2026
d5267b3
tools: topology: add MFCC compress capture for jack and DMIC
singalsu May 26, 2026
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4 changes: 4 additions & 0 deletions src/audio/base_fw.c
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,10 @@ static void get_codec_info(struct sof_tlv **tuple)
codec_info.items[codec_info.count++] =
SET_CODEC_INFO_ITEM(SND_AUDIOCODEC_VORBIS, SOF_IPC_STREAM_PLAYBACK);
#endif
#ifdef CONFIG_COMP_MFCC
codec_info.items[codec_info.count++] =
SET_CODEC_INFO_ITEM(SND_AUDIOCODEC_BESPOKE, SOF_IPC_STREAM_CAPTURE);
#endif

if (!codec_info.count)
return;
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5 changes: 4 additions & 1 deletion src/audio/mfcc/CMakeLists.txt
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Expand Up @@ -4,5 +4,8 @@ if(CONFIG_COMP_MFCC STREQUAL "m" AND DEFINED CONFIG_LLEXT)
add_subdirectory(llext ${PROJECT_BINARY_DIR}/mfcc_llext)
add_dependencies(app mfcc)
else()
add_local_sources(sof mfcc.c mfcc_setup.c mfcc_common.c mfcc_generic.c mfcc_hifi4.c mfcc_hifi3.c)
add_local_sources(sof mfcc.c mfcc_setup.c mfcc_common.c mfcc_generic.c mfcc_hifi4.c mfcc_hifi3.c mfcc_vad.c)
if(CONFIG_IPC_MAJOR_4)
add_local_sources(sof mfcc_ipc4.c)
endif()
endif()
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