48 lines
1.1 KiB
Plaintext
48 lines
1.1 KiB
Plaintext
# Low Latency Passthrough Pipeline and PCM
|
|
#
|
|
# Pipeline Endpoints for connection are :-
|
|
#
|
|
# host PCM_P --> B0 --> sink DAI0
|
|
|
|
# Include topology builder
|
|
include(`utils.m4')
|
|
include(`buffer.m4')
|
|
include(`pcm.m4')
|
|
include(`dai.m4')
|
|
include(`pipeline.m4')
|
|
|
|
#
|
|
# Components and Buffers
|
|
#
|
|
|
|
# Host "Passthrough Playback" PCM
|
|
# with 2 sink and 0 source periods
|
|
W_PCM_PLAYBACK(PCM_ID, Passthrough Playback, 2, 0, 2)
|
|
|
|
# Playback Buffers
|
|
W_BUFFER(0, COMP_BUFFER_SIZE(2,
|
|
COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
|
|
PLATFORM_PASS_MEM_CAP)
|
|
|
|
#
|
|
# Pipeline Graph
|
|
#
|
|
# host PCM_P --> B0 --> sink DAI0
|
|
|
|
P_GRAPH(pipe-pass-playback-PIPELINE_ID, PIPELINE_ID,
|
|
LIST(` ',
|
|
`dapm(N_PCMP(PCM_ID), Passthrough Playback PCM_ID)',
|
|
`dapm(N_BUFFER(0), N_PCMP(PCM_ID))'))
|
|
|
|
#
|
|
# Pipeline Source and Sinks
|
|
#
|
|
indir(`define', concat(`PIPELINE_SOURCE_', PIPELINE_ID), N_BUFFER(0))
|
|
indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Playback PCM_ID)
|
|
|
|
#
|
|
# PCM Configuration
|
|
#
|
|
|
|
PCM_CAPABILITIES(Passthrough Playback PCM_ID, COMP_FORMAT_NAME(PIPELINE_FORMAT), 48000, 48000, 2, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)
|