add a audio card resource

providers/base/bin/audiocard_resource.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+#
+# This file is part of Checkbox.
+#
+# Copyright 2023 Canonical Ltd.
+# Authors: Dio He <dio.he@canonical.com>
+#
+# Checkbox is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3,
+# as published by the Free Software Foundation.
+#
+# Checkbox is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
+
+import os
+
+
+def get_audio_cards():
+ """Retrieve audio card information."""
+ audio_cards = []
+ PCM_FILE = '/proc/asound/pcm'
+ if os.path.exists(PCM_FILE):
+ with open(PCM_FILE, 'r') as f:
+ for line in f:
+ t = [device_line.strip() for device_line in line.split(':')]
+ ids = t[0].split('-')
+ card_id = ids[0]
+ device_id = ids[1]
+ device_name = t[1]
+ capabilities = t[3:]
+ audio_cards.append({
+ 'Card': card_id,
+ 'Device': device_id,
+ 'Name': device_name,
+ 'Playback': 1 if any(cap.startswith('playback') for cap in capabilities) else 0,
+ 'Capture': 1 if any(cap.startswith('capture') for cap in capabilities) else 0
+ })
+ return audio_cards
+
+
+def print_audio_cards(cards):
+ """Print audio card information."""
+ print("Audio Cards:")
+ for card in cards:
+ print(f"Card: {card['Card']}")
+ print(f"Device: {card['Device']}")
+ print(f"Name: {card['Name']}")
+ if card['Playback']:
+ print("Playback: 1")
+ if card['Capture']:
+ print("Capture: 1")
+ print()
+
+
+def main():
+ cards = get_audio_cards()
+
+ if cards:
+ print_audio_cards(cards)
+ else:
+ print("No audio cards found.")
+
+
+if __name__ == "__main__":
+ main()

providers/base/units/audio/jobs.pxu

@@ -697,7 +697,7 @@ category_id: com.canonical.plainbox::audio
 flags: also-after-suspend
 imports: from com.canonical.plainbox import manifest
 requires:
- manifest.has_audio_playback == 'True'
+ audio_card.Playback == '1'
 command:
  COUNT=$(alsa_pcm_info.py | grep -c Playback)
  echo "Count: $COUNT"
@@ -713,7 +713,7 @@ category_id: com.canonical.plainbox::audio
 flags: also-after-suspend
 imports: from com.canonical.plainbox import manifest
 requires:
- manifest.has_audio_capture == 'True'
+ audio_card.Capture == '1'
 command:
  COUNT=$(alsa_pcm_info.py | grep -c Capture)
  echo "Count: $COUNT"
@@ -920,4 +920,4 @@ plugin: manual
 flags: also-after-suspend
 requires: snap.name == 'pulseaudio'
 category_id: com.canonical.plainbox::audio
-estimated_duration: 1m
+estimated_duration: 1m

providers/base/units/audio/resource.pxu

@@ -7,3 +7,11 @@ _description: Gather device info about alsa sound devices
 command: alsa_pcm_info.py
 estimated_duration: 1s
 flags: preserve-locale
+
+id: audio_card
+category_id: com.canonical.plainbox::audio
+plugin: resource
+_summary: Collect information about the audio card
+_description: Gets audio resource info from /proc/asound/pcm
+command: audiocard_resource.py
+estimated_duration: 1s

providers/base/units/audio/test-plan.pxu

@@ -128,6 +128,8 @@ include:
  audio/detect-playback-devices
  audio/detect-capture-devices
  audio/alsa-loopback-automated
+bootstrap_include:
+ audio_card
 
 id: after-suspend-audio-full
 unit: test plan
@@ -164,4 +166,6 @@ _description: Automated audio tests for Snappy Ubuntu Core devices
 include:
  after-suspend-audio/detect-playback-devices
  after-suspend-audio/detect-capture-devices
- after-suspend-audio/alsa-loopback-automated
+ after-suspend-audio/alsa-loopback-automated
+bootstrap_include:
+ audio_card