media: refactor sound_node, introduce camera_node

1 files changed, 79 insertions, 0 deletions

diff --git a/test/test_amixer.py b/test/test_amixer.py
new file mode 100755
index 0000000..c8bd546
--- /dev/null
+++ b/test/test_amixer.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+import sys, os.path
+sys.path.extend([
+    os.path.realpath(os.path.join(os.path.dirname(os.path.join(__file__)), '..')),
+])
+
+from argparse import ArgumentParser
+from src.home.config import config
+from src.home.audio import amixer
+
+
+def validate_control(input: str):
+    for control in config['amixer']['controls']:
+        if control['name'] == input:
+            return
+    raise ValueError(f'invalid control name: {input}')
+
+
+if __name__ == '__main__':
+    parser = ArgumentParser()
+    parser.add_argument('--get-all', action='store_true')
+    parser.add_argument('--mute', type=str)
+    parser.add_argument('--unmute', type=str)
+    parser.add_argument('--cap', type=str)
+    parser.add_argument('--nocap', type=str)
+    parser.add_argument('--get', type=str)
+    parser.add_argument('--incr', type=str)
+    parser.add_argument('--decr', type=str)
+    # parser.add_argument('--dump-config', action='store_true')
+
+    args = config.load('test_amixer', parser=parser)
+
+    # if args.dump_config:
+    #     print(config.data)
+    #     sys.exit()
+
+    if args.get_all:
+        for control in amixer.get_all():
+            print(f'control = {control["name"]}')
+            for line in control['info'].split('\n'):
+                print(f'    {line}')
+            print()
+        sys.exit()
+
+    if args.get:
+        info = amixer.get(args.get)
+        print(info)
+        sys.exit()
+
+    for action in ['incr', 'decr']:
+        if hasattr(args, action):
+            control = getattr(args, action)
+            if control is None:
+                continue
+
+            print(f'attempting to {action} {control}')
+            validate_control(control)
+            func = getattr(amixer, action)
+            try:
+                func(control, step=5)
+            except amixer.AmixerError as e:
+                print('error: ' + str(e))
+            sys.exit()
+
+    for action in ['mute', 'unmute', 'cap', 'nocap']:
+        if hasattr(args, action):
+            control = getattr(args, action)
+            if control is None:
+                continue
+
+            print(f"attempting to {action} {control}")
+
+            validate_control(control)
+            func = getattr(amixer, action)
+            try:
+                func(control)
+            except amixer.AmixerError as e:
+                print('error: ' + str(e))
+            sys.exit()