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a2dp: generate format info from config in init

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This commit is contained in:
Wim Taymans 2020-10-19 10:38:22 +02:00
parent 574c0afc93
commit 5c5b9f61bb
2 changed files with 70 additions and 66 deletions
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2
spa/plugins/bluez5/a2dp-codecs.h
View file

@ -155,6 +155,8 @@
#define LDAC_VENDOR_ID 0x0000012d
#define LDAC_CODEC_ID 0x00aa
#define A2DP_MAX_CONFIG_SIZE 254
typedef struct {
uint32_t vendor_id;
uint16_t codec_id;

134
spa/plugins/bluez5/a2dp-sink.c
View file

@ -129,6 +129,7 @@ struct impl {
struct codec *codec;
void *codec_data;
struct spa_audio_info codec_format;
int block_size;
int num_blocks;
@ -144,7 +145,12 @@ struct impl {
struct codec {
void *(*init) (void *config, size_t config_len);
void *(*fill_caps) (uint32_t flags, uint8_t caps[A2DP_MAX_CONFIG_SIZE]);
void *(*select_config) (uint32_t flags, const void *caps, size_t caps_size,
const struct spa_audio_info *info, uint8_t config[A2DP_MAX_CONFIG_SIZE]);
void *(*init) (uint32_t flags, void *config, size_t config_size, struct spa_audio_info *info);
void (*deinit) (void *data);
int (*reduce_bitpool) (void *data);
int (*increase_bitpool) (void *data);
@ -173,19 +179,9 @@ struct impl_sbc {
static int codec_sbc_set_bitpool(struct impl_sbc *this, int bitpool)
{
if (bitpool < this->min_bitpool)
bitpool = this->min_bitpool;
if (bitpool > this->max_bitpool)
bitpool = this->max_bitpool;
if (this->sbc.bitpool == bitpool)
return 0;
this->sbc.bitpool = bitpool;
this->sbc.bitpool = SPA_CLAMP(bitpool, this->min_bitpool, this->max_bitpool);
this->codesize = sbc_get_codesize(&this->sbc);
this->frame_length = sbc_get_frame_length(&this->sbc);
return 0;
}
@ -219,7 +215,7 @@ static int codec_sbc_get_block_size(void *data)
return this->codesize;
}
static void *codec_sbc_init(void *config, size_t config_len)
static void *codec_sbc_init(uint32_t flags, void *config, size_t config_len, struct spa_audio_info *info)
{
struct impl_sbc *this;
a2dp_sbc_t *conf = config;
@ -234,30 +230,63 @@ static void *codec_sbc_init(void *config, size_t config_len)
sbc_init(&this->sbc, 0);
this->sbc.endian = SBC_LE;
if (conf->frequency & SBC_SAMPLING_FREQ_48000)
this->sbc.frequency = SBC_FREQ_48000;
else if (conf->frequency & SBC_SAMPLING_FREQ_44100)
this->sbc.frequency = SBC_FREQ_44100;
else if (conf->frequency & SBC_SAMPLING_FREQ_32000)
this->sbc.frequency = SBC_FREQ_32000;
else if (conf->frequency & SBC_SAMPLING_FREQ_16000)
this->sbc.frequency = SBC_FREQ_16000;
else {
res = -EINVAL;
goto error;
}
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;
if (conf->channel_mode & SBC_CHANNEL_MODE_JOINT_STEREO)
this->sbc.mode = SBC_MODE_JOINT_STEREO;
else if (conf->channel_mode & SBC_CHANNEL_MODE_STEREO)
this->sbc.mode = SBC_MODE_STEREO;
else if (conf->channel_mode & SBC_CHANNEL_MODE_DUAL_CHANNEL)
this->sbc.mode = SBC_MODE_DUAL_CHANNEL;
else if (conf->channel_mode & SBC_CHANNEL_MODE_MONO)
this->sbc.mode = SBC_MODE_MONO;
else {
switch (conf->frequency) {
case SBC_SAMPLING_FREQ_16000:
this->sbc.frequency = SBC_FREQ_16000;
info->info.raw.rate = 16000;
break;
case SBC_SAMPLING_FREQ_32000:
this->sbc.frequency = SBC_FREQ_32000;
info->info.raw.rate = 32000;
break;
case SBC_SAMPLING_FREQ_44100:
this->sbc.frequency = SBC_FREQ_44100;
info->info.raw.rate = 44100;
break;
case SBC_SAMPLING_FREQ_48000:
this->sbc.frequency = SBC_FREQ_48000;
info->info.raw.rate = 48000;
break;
default:
res = -EINVAL;
goto error;
goto error;
}
switch (conf->channel_mode) {
case SBC_CHANNEL_MODE_MONO:
this->sbc.mode = SBC_MODE_MONO;
info->info.raw.channels = 1;
break;
case SBC_CHANNEL_MODE_DUAL_CHANNEL:
this->sbc.mode = SBC_MODE_DUAL_CHANNEL;
info->info.raw.channels = 2;
break;
case SBC_CHANNEL_MODE_STEREO:
this->sbc.mode = SBC_MODE_STEREO;
info->info.raw.channels = 2;
break;
case SBC_CHANNEL_MODE_JOINT_STEREO:
this->sbc.mode = SBC_MODE_JOINT_STEREO;
info->info.raw.channels = 2;
break;
default:
res = -EINVAL;
goto error;
}
switch (info->info.raw.channels) {
case 1:
info->info.raw.position[0] = SPA_AUDIO_CHANNEL_MONO;
break;
case 2:
info->info.raw.position[0] = SPA_AUDIO_CHANNEL_FL;
info->info.raw.position[1] = SPA_AUDIO_CHANNEL_FR;
break;
}
switch (conf->subbands) {
@ -1074,42 +1103,14 @@ impl_node_port_enum_params(void *object, int seq,
switch (this->transport->codec) {
case A2DP_CODEC_SBC:
{
a2dp_sbc_t *config = this->transport->configuration;
struct spa_audio_info_raw info = { 0, };
int res;
info.format = SPA_AUDIO_FORMAT_S16;
if ((res = a2dp_sbc_get_frequency(config)) < 0)
return -EIO;
info.rate = res;
if ((res = a2dp_sbc_get_channels(config)) < 0)
return -EIO;
info.channels = res;
switch (info.channels) {
case 1:
info.position[0] = SPA_AUDIO_CHANNEL_MONO;
break;
case 2:
info.position[0] = SPA_AUDIO_CHANNEL_FL;
info.position[1] = SPA_AUDIO_CHANNEL_FR;
break;
default:
return -EIO;
}
param = spa_format_audio_raw_build(&b, id, &info);
param = spa_format_audio_raw_build(&b, id, &this->codec_format.info.raw);
break;
}
case A2DP_CODEC_MPEG24:
{
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_Format, id,
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_audio),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_aac));
break;
}
default:
return -EIO;
}
@ -1502,8 +1503,9 @@ impl_init(const struct spa_handle_factory *factory,
this->codec = &codec_sbc;
this->codec_data = this->codec->init(this->transport->configuration,
this->transport->configuration_len);
this->codec_data = this->codec->init(0, this->transport->configuration,
this->transport->configuration_len,
&this->codec_format);
return 0;
}