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bluez5: Implement routes

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Implement routes on the device. This makes it possible for the
session manager to restore the device volumes.
Use validate_config to get the negotiated channels for the route
volumes.
This commit is contained in:
Wim Taymans 2021-01-07 18:10:22 +01:00
parent 5bb7a0f573
commit e91fbd2721
4 changed files with 473 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

70
spa/plugins/bluez5/a2dp-codec-sbc.c
View file

@ -185,6 +185,75 @@ static int codec_select_config(const struct a2dp_codec *codec, uint32_t flags,
return sizeof(conf);
}
static int codec_validate_config(const struct a2dp_codec *codec, uint32_t flags,
const void *caps, size_t caps_size,
struct spa_audio_info *info)
{
const a2dp_sbc_t *conf;
if (caps == NULL || caps_size < sizeof(conf))
return -EINVAL;
conf = caps;
spa_zero(*info);
info->media_type = SPA_MEDIA_TYPE_audio;
info->media_subtype = SPA_MEDIA_SUBTYPE_raw;
info->info.raw.format = SPA_AUDIO_FORMAT_S16;
switch (conf->frequency) {
case SBC_SAMPLING_FREQ_16000:
info->info.raw.rate = 16000;
break;
case SBC_SAMPLING_FREQ_32000:
info->info.raw.rate = 32000;
break;
case SBC_SAMPLING_FREQ_44100:
info->info.raw.rate = 44100;
break;
case SBC_SAMPLING_FREQ_48000:
info->info.raw.rate = 48000;
break;
default:
return -EINVAL;
}
switch (conf->channel_mode) {
case SBC_CHANNEL_MODE_MONO:
info->info.raw.channels = 1;
info->info.raw.position[0] = SPA_AUDIO_CHANNEL_MONO;
break;
case SBC_CHANNEL_MODE_DUAL_CHANNEL:
case SBC_CHANNEL_MODE_STEREO:
case SBC_CHANNEL_MODE_JOINT_STEREO:
info->info.raw.channels = 2;
info->info.raw.position[0] = SPA_AUDIO_CHANNEL_FL;
info->info.raw.position[1] = SPA_AUDIO_CHANNEL_FR;
break;
default:
return -EINVAL;
}
switch (conf->subbands) {
case SBC_SUBBANDS_4:
case SBC_SUBBANDS_8:
break;
default:
return -EINVAL;
}
switch (conf->block_length) {
case SBC_BLOCK_LENGTH_4:
case SBC_BLOCK_LENGTH_8:
case SBC_BLOCK_LENGTH_12:
case SBC_BLOCK_LENGTH_16:
break;
default:
return -EINVAL;
}
return 0;
}
static int codec_set_bitpool(struct impl *this, int bitpool)
{
this->sbc.bitpool = SPA_CLAMP(bitpool, this->min_bitpool, this->max_bitpool);
@ -494,6 +563,7 @@ const struct a2dp_codec a2dp_codec_sbc = {
.fill_caps = codec_fill_caps,
.select_config = codec_select_config,
.enum_config = codec_enum_config,
.validate_config = codec_validate_config,
.init = codec_init,
.deinit = codec_deinit,
.get_block_size = codec_get_block_size,