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/* PipeWire
*
* Copyright © 2020 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <spa/param/props.h>
#include <spa/param/audio/raw.h>
#include <spa/pod/iter.h>
#include <spa/utils/defs.h>
#include <pipewire/log.h>
#include "log.h"
#include "volume.h"
int volume_compare(struct volume *vol, struct volume *other)
{
uint8_t i;
if (vol->channels != other->channels) {
pw_log_info("channels %d<>%d", vol->channels, other->channels);
return -1;
}
for (i = 0; i < vol->channels; i++) {
if (vol->values[i] != other->values[i]) {
pw_log_info("%d: val %f<>%f", i, vol->values[i], other->values[i]);
return -1;
}
}
return 0;
}
int volume_parse_param(const struct spa_pod *param, struct volume_info *info, bool monitor)
{
struct spa_pod_object *obj = (struct spa_pod_object *) param;
struct spa_pod_prop *prop;
SPA_POD_OBJECT_FOREACH(obj, prop) {
switch (prop->key) {
case SPA_PROP_volume:
if (spa_pod_get_float(&prop->value, &info->level) < 0)
continue;
SPA_FLAG_UPDATE(info->flags, VOLUME_HW_VOLUME,
prop->flags & SPA_POD_PROP_FLAG_HARDWARE);
break;
case SPA_PROP_mute:
if (monitor)
continue;
if (spa_pod_get_bool(&prop->value, &info->mute) < 0)
continue;
SPA_FLAG_UPDATE(info->flags, VOLUME_HW_MUTE,
prop->flags & SPA_POD_PROP_FLAG_HARDWARE);
break;
case SPA_PROP_channelVolumes:
if (monitor)
continue;
info->volume.channels = spa_pod_copy_array(&prop->value, SPA_TYPE_Float,
info->volume.values, SPA_AUDIO_MAX_CHANNELS);
SPA_FLAG_UPDATE(info->flags, VOLUME_HW_VOLUME,
prop->flags & SPA_POD_PROP_FLAG_HARDWARE);
break;
case SPA_PROP_monitorMute:
if (!monitor)
continue;
if (spa_pod_get_bool(&prop->value, &info->mute) < 0)
continue;
SPA_FLAG_CLEAR(info->flags, VOLUME_HW_MUTE);
break;
case SPA_PROP_monitorVolumes:
if (!monitor)
continue;
info->volume.channels = spa_pod_copy_array(&prop->value, SPA_TYPE_Float,
info->volume.values, SPA_AUDIO_MAX_CHANNELS);
SPA_FLAG_CLEAR(info->flags, VOLUME_HW_VOLUME);
break;
case SPA_PROP_volumeBase:
if (spa_pod_get_float(&prop->value, &info->base) < 0)
continue;
break;
case SPA_PROP_volumeStep:
{
float step;
if (spa_pod_get_float(&prop->value, &step) >= 0)
info->steps = 0x10000u * step;
break;
}
case SPA_PROP_channelMap:
info->map.channels = spa_pod_copy_array(&prop->value, SPA_TYPE_Id,
info->map.map, SPA_AUDIO_MAX_CHANNELS);
break;
default:
break;
}
}
return 0;
}
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