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Adds indipendent control to ch1 aand ch2 input gain.

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This commit is contained in:
Pbopbo
2026-04-08 13:08:00 +02:00
parent 384bcbc843
commit 539d3be546
1 changed files with 52 additions and 21 deletions
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73
src/auracast/server/multicast_frontend.py
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@@ -198,33 +198,64 @@ else:
start_stream, stop_stream = render_stream_controls(is_streaming, "Start Auracast", "Stop Auracast", running_mode, secondary_is_streaming)
# Analog gain control (only for Analog mode, placed below start button)
analog_gain_db = 0 # default (dB)
analog_gain_db_left = 0 # default (dB)
analog_gain_db_right = 0 # default (dB)
if audio_mode == "Analog":
if '_analog_gain_db' not in st.session_state:
saved_analog_gain_db = saved_settings.get('analog_gain_db_left', 0)
st.session_state['_analog_gain_db'] = max(-12, min(18, int(saved_analog_gain_db)))
analog_gain_db = st.slider(
"Analog Input Gain",
min_value=-12,
max_value=18,
key='_analog_gain_db',
step=1,
format="%d dB",
help="ADC gain level for analog inputs (-12 to 18 dB). Default is 0 dB."
if '_analog_gain_db_left' not in st.session_state:
st.session_state['_analog_gain_db_left'] = max(-12, min(18, int(saved_settings.get('analog_gain_db_left', 0))))
if '_analog_gain_db_right' not in st.session_state:
st.session_state['_analog_gain_db_right'] = max(-12, min(18, int(saved_settings.get('analog_gain_db_right', 0))))
if '_gain_link_channels' not in st.session_state:
st.session_state['_gain_link_channels'] = True
link_channels = st.checkbox(
"Link audio channel gain",
key='_gain_link_channels',
help="When enabled, Ch 2 mirrors Ch 1."
)
# Apply gain live while streaming whenever the slider value changes
_gain_col1, _gain_col2 = st.columns(2)
with _gain_col1:
analog_gain_db_left = st.slider(
"Ch 1 Input Gain",
min_value=-12,
max_value=18,
key='_analog_gain_db_left',
step=1,
format="%d dB",
help="ADC gain for channel 1 (-12 to 18 dB). Default is 0 dB."
)
with _gain_col2:
if link_channels:
st.session_state['_analog_gain_db_right'] = analog_gain_db_left
elif st.session_state.get('_prev_gain_link_channels', True):
# Transition: just unlinked — seed Ch 2 from Ch 1 so it doesn't jump to min
st.session_state['_analog_gain_db_right'] = analog_gain_db_left
st.session_state['_prev_gain_link_channels'] = link_channels
analog_gain_db_right = st.slider(
"Ch 2 Input Gain",
min_value=-12,
max_value=18,
key='_analog_gain_db_right',
step=1,
format="%d dB",
disabled=link_channels,
help="Uncheck 'Link audio channel gain' to adjust Ch 2 independently." if link_channels else "ADC gain for channel 2 (-12 to 18 dB). Default is 0 dB."
)
# Apply gain live while streaming whenever either slider value changes
if is_streaming:
prev_gain = st.session_state.get('_prev_analog_gain_db')
if prev_gain != analog_gain_db:
prev_left = st.session_state.get('_prev_analog_gain_db_left')
prev_right = st.session_state.get('_prev_analog_gain_db_right')
if prev_left != analog_gain_db_left or prev_right != analog_gain_db_right:
try:
requests.post(
f"{BACKEND_URL}/adc_gain",
json={"gain_db_left": analog_gain_db, "gain_db_right": analog_gain_db},
json={"gain_db_left": analog_gain_db_left, "gain_db_right": analog_gain_db_right},
timeout=1,
)
except Exception:
pass
st.session_state['_prev_analog_gain_db'] = analog_gain_db
st.session_state['_prev_analog_gain_db_left'] = analog_gain_db_left
st.session_state['_prev_analog_gain_db_right'] = analog_gain_db_right
# Audio level monitor (checkbox, not persisted across reloads)
show_level_monitor = st.checkbox("Audio level monitor", value=False, disabled=not is_streaming,
@@ -682,8 +713,8 @@ else:
'immediate_rendering': immediate_rendering2,
'presentation_delay_ms': presentation_delay_ms2,
'qos_preset': qos_preset2,
'analog_gain_db_left': analog_gain_db,
'analog_gain_db_right': analog_gain_db,
'analog_gain_db_left': analog_gain_db_left,
'analog_gain_db_right': analog_gain_db_right,
}
radio1_cfg = {
@@ -699,8 +730,8 @@ else:
'presentation_delay_ms': presentation_delay_ms1,
'qos_preset': qos_preset1,
'stereo_mode': stereo_enabled,
'analog_gain_db_left': analog_gain_db,
'analog_gain_db_right': analog_gain_db,
'analog_gain_db_left': analog_gain_db_left,
'analog_gain_db_right': analog_gain_db_right,
}
if audio_mode == "Network - Dante":