soft/topology/sof/pipe-src-playback.m4

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# Low Latency Passthrough with volume Pipeline and PCM
#
# Pipeline Endpoints for connection are :-
#
# host PCM_P --> SRC --> sink DAI0
# Include topology builder
include(`utils.m4')
include(`src.m4')
include(`buffer.m4')
include(`pcm.m4')
include(`dai.m4')
include(`pipeline.m4')
#
# Components and Buffers
#
# Host "Passthrough Playback" PCM
# with 3 sink and 0 source periods
W_PCM_PLAYBACK(PCM_ID, Passthrough Playback, 3, 0, 2)
#
# SRC Configuration
#
W_VENDORTUPLES(media_src_tokens, sof_src_tokens, LIST(` ', `SOF_TKN_SRC_RATE_OUT "48000"'))
W_DATA(media_src_conf, media_src_tokens)
# "SRC" has 3 source and 3 sink periods
W_SRC(0, PIPELINE_FORMAT, 3, 3, media_src_conf, 2)
# Playback Buffers
W_BUFFER(0, COMP_BUFFER_SIZE(3,
COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
PLATFORM_HOST_MEM_CAP)
W_BUFFER(1, COMP_BUFFER_SIZE(3,
COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
PLATFORM_DAI_MEM_CAP)
#
# Pipeline Graph
#
# host PCM_P --> B0 --> SRC 0 --> B1 --> sink DAI0
P_GRAPH(pipe-pass-src-playback-PIPELINE_ID, PIPELINE_ID,
LIST(` ',
`dapm(N_PCMP(PCM_ID), Passthrough Playback PCM_ID)',
`dapm(N_BUFFER(0), N_PCMP(PCM_ID))',
`dapm(N_SRC(0), N_BUFFER(0))',
`dapm(N_BUFFER(1), N_SRC(0))'))
#
# Pipeline Source and Sinks
#
indir(`define', concat(`PIPELINE_SOURCE_', PIPELINE_ID), N_BUFFER(1))
indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Playback PCM_ID)
#
# PCM Configuration
#
PCM_CAPABILITIES(Passthrough Playback PCM_ID, `S32_LE,S24_LE,S16_LE', 8000, 192000, 2, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)