gstreamer_pcm.yml
device-connector-intdashとともにインストールされる /etc/dc_conf/gstreamer_pcm.yml
は、GStreamerから出力される音声を送信するためのパイプライン設定ファイルです。
tasks:
- id: 1
element: process-src
conf:
# Example of VTC 1910-S onboard audio:
# DC_PROCESS_SRC_CONF_COMMAND="gst-launch-1.0 -q alsasrc device=hw:0 ! audioconvert ! audio/x-raw,format=S16LE,rate=48000,channels=1 ! fdsink fd=1"
# DC_PCM_SPLIT_FILTER_CONF_PATH="/dev/snd/by-path/pci-0000:00:1b.0"
# Example of EDGEPLANT T1 onboard audio:
# DC_PROCESS_SRC_CONF_COMMAND="gst-launch-1.0 -q alsasrc device=hw:1 ! audioconvert ! audio/x-raw,format=S16LE,rate=48000,channels=1 ! fdsink fd=1"
# DC_PCM_SPLIT_FILTER_CONF_PATH="/dev/snd/by-path/platform-sound"
command: /etc/dc_conf/scripts/gstreamer_pcm.sh "$(DC_PROCESS_SRC_CONF_COMMAND)" "$(DC_PCM_SPLIT_FILTER_CONF_PATH)"
- id: 2
element: pcm-split-filter
from: [ [1] ]
conf:
clock_id: CLOCK_MONOTONIC
delay_ms: $(DC_PCM_SPLIT_FILTER_CONF_DELAY_MS)
audio_element: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_ELEMENT)
audio_iface: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_IFACE)
audio_format: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_FORMAT)
audio_rate: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_RATE)
audio_channels: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_CHANNELS)
audio_volume_iface: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_VOLUME_IFACE)
audio_volume_element: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_VOLUME_ELEMENT)
audio_volume_value: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_VOLUME_VALUE)
audio_boost_element: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_BOOST_ELEMENT)
audio_boost_value: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_BOOST_VALUE)
audio_sync_period_s: $(DC_PCM_SPLIT_FILTER_CONF_AUDIO_SYNC_PERIOD_S)
path: $(DC_PCM_SPLIT_FILTER_CONF_PATH)
- id: 3
element: print-log-filter
from: [ [2] ]
conf:
interval_ms: 10000
tag: $(DC_PRINT_LOG_FILTER_CONF_TAG)
output: stderr
- id: 4
element: file-sink
from: [ [3] ]
conf:
create: true
flush_size: 100
path: $(DC_FILE_SINK_CONF_PATH)