mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-12-16 08:56:45 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

a2dp: allow codec to hold Props params

Browse source 
Initial Props value are parsed from device settings, further changes are triggered by 'set_param' on a2dp node.
Codec can then use props to tweak its transcoder.
This commit is contained in:
Huang-Huang Bao 2021-03-20 14:53:18 +08:00 • committed by Wim Taymans
parent 6512c2b5f6
commit 1d390addb1
7 changed files with 123 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

44
spa/plugins/bluez5/a2dp-codec-ldac.c
View file

@ -39,6 +39,8 @@
#include "rtp.h"
#include "a2dp-codecs.h"
#define LDACBT_EQMID_AUTO -1
#define LDAC_ABR_MAX_PACKET_NBYTES 1280
#define LDAC_ABR_INTERVAL_MS 5 /* 2 frames * 128 lsu / 48000 */
@ -51,6 +53,10 @@
#define LDAC_ABR_SOCK_BUFFER_SIZE (LDAC_ABR_THRESHOLD_CRITICAL * LDAC_ABR_MAX_PACKET_NBYTES)
struct props {
int eqmid;
};
struct impl {
HANDLE_LDAC_BT ldac;
#ifdef ENABLE_LDAC_ABR
@ -317,7 +323,7 @@ static int codec_get_block_size(void *data)
static int string_to_eqmid(const char * eqmid)
{
if (!strcmp("auto", eqmid))
return LDACBT_EQMID_ABR;
return LDACBT_EQMID_AUTO;
else if (!strcmp("hq", eqmid))
return LDACBT_EQMID_HQ;
else if (!strcmp("sq", eqmid))
@ -325,17 +331,37 @@ static int string_to_eqmid(const char * eqmid)
else if (!strcmp("mq", eqmid))
return LDACBT_EQMID_MQ;
else
return LDACBT_EQMID_ABR;
return LDACBT_EQMID_AUTO;
}
static void *codec_init_props(const struct a2dp_codec *codec, const struct spa_dict *settings)
{
struct props *p = calloc(1, sizeof(struct props));
const char *str;
if (p == NULL)
return NULL;
if (settings == NULL || (str = spa_dict_lookup(settings, "bluez5.a2dp.ldac.quality")) == NULL)
str = "auto";
p->eqmid = string_to_eqmid(str);
return p;
}
static void codec_clear_props(void *props)
{
free(props);
}
static void *codec_init(const struct a2dp_codec *codec, uint32_t flags,
void *config, size_t config_len, const struct spa_audio_info *info,
const struct spa_dict *settings, size_t mtu)
void *props, size_t mtu)
{
struct impl *this;
a2dp_ldac_t *conf = config;
int res;
const char *str;
struct props *p = props;
this = calloc(1, sizeof(struct impl));
if (this == NULL)
@ -351,12 +377,12 @@ static void *codec_init(const struct a2dp_codec *codec, uint32_t flags,
goto error_errno;
#endif
if ((str = spa_dict_lookup(settings, "bluez5.a2dp.ldac.quality")) == NULL)
str = "auto";
if ((this->eqmid = string_to_eqmid(str)) == LDACBT_EQMID_ABR) {
if (p == NULL || p->eqmid == LDACBT_EQMID_AUTO) {
this->eqmid = LDACBT_EQMID_SQ;
this->enable_abr = true;
} else {
this->eqmid = p->eqmid;
this->enable_abr = false;
}
this->mtu = mtu;
@ -520,6 +546,8 @@ const struct a2dp_codec a2dp_codec_ldac = {
.fill_caps = codec_fill_caps,
.select_config = codec_select_config,
.enum_config = codec_enum_config,
.init_props = codec_init_props,
.clear_props = codec_clear_props,
.init = codec_init,
.deinit = codec_deinit,
.get_block_size = codec_get_block_size,