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make m-p-e-s use pa_cvolume_set_balance()

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This commit is contained in:
Lennart Poettering 2009-01-27 23:52:35 +01:00
parent d1b754d998
commit e439c18785
1 changed files with 3 additions and 31 deletions
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34
src/modules/module-position-event-sounds.c
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@ -58,30 +58,9 @@ struct userdata {
pa_hook_slot *sink_input_fixate_hook_slot; pa_hook_slot *sink_input_fixate_hook_slot;
}; };
static pa_bool_t is_left(pa_channel_position_t p) {
return
p == PA_CHANNEL_POSITION_FRONT_LEFT ||
p == PA_CHANNEL_POSITION_REAR_LEFT ||
p == PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER ||
p == PA_CHANNEL_POSITION_SIDE_LEFT ||
p == PA_CHANNEL_POSITION_TOP_FRONT_LEFT ||
p == PA_CHANNEL_POSITION_TOP_REAR_LEFT;
}
static pa_bool_t is_right(pa_channel_position_t p) {
return
p == PA_CHANNEL_POSITION_FRONT_RIGHT ||
p == PA_CHANNEL_POSITION_REAR_RIGHT||
p == PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER ||
p == PA_CHANNEL_POSITION_SIDE_RIGHT ||
p == PA_CHANNEL_POSITION_TOP_FRONT_RIGHT ||
p == PA_CHANNEL_POSITION_TOP_REAR_RIGHT;
}
static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *core, pa_sink_input_new_data *data, struct userdata *u) { static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *core, pa_sink_input_new_data *data, struct userdata *u) {
const char *hpos; const char *hpos;
double f; double f;
unsigned c;
char t[PA_CVOLUME_SNPRINT_MAX]; char t[PA_CVOLUME_SNPRINT_MAX];
pa_assert(data); pa_assert(data);
@ -104,18 +83,11 @@ static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *core, pa_sink_i
if (!data->virtual_volume_is_set) { if (!data->virtual_volume_is_set) {
pa_cvolume_reset(&data->virtual_volume, data->sample_spec.channels); pa_cvolume_reset(&data->virtual_volume, data->sample_spec.channels);
data->virtual_volume_is_set = TRUE; data->virtual_volume_is_set = TRUE;
data->virtual_volume_is_absolute = FALSE;
} }
for (c = 0; c < data->sample_spec.channels; c++) { pa_cvolume_set_balance(&data->virtual_volume, &data->channel_map, f*2.0-1.0);
data->save_volume = FALSE;
if (is_left(data->channel_map.map[c]))
data->virtual_volume.values[c] =
pa_sw_volume_multiply(data->virtual_volume.values[c], (pa_volume_t) (PA_VOLUME_NORM * (1.0 - f)));
if (is_right(data->channel_map.map[c]))
data->virtual_volume.values[c] =
pa_sw_volume_multiply(data->virtual_volume.values[c], (pa_volume_t) (PA_VOLUME_NORM * f));
}
pa_log_debug("Final volume %s.", pa_cvolume_snprint(t, sizeof(t), &data->virtual_volume)); pa_log_debug("Final volume %s.", pa_cvolume_snprint(t, sizeof(t), &data->virtual_volume));