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bluez5: add properties for A2DP codec sample rate & channel mode configuration

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Those properties are set as reference sample rate and channels number for A2DP configuration selecting.
This commit is contained in:
Huang-Huang Bao 2021-05-03 15:40:13 +08:00 • committed by Wim Taymans
parent 15239ff74d
commit 9384ba5500
8 changed files with 234 additions and 132 deletions
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49
spa/plugins/bluez5/a2dp-codecs.h
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@ -293,35 +293,13 @@ typedef struct {
#error "Unknown byte order"
#endif
static inline int a2dp_sbc_get_channels(a2dp_sbc_t *config)
{
switch (config->channel_mode) {
case SBC_CHANNEL_MODE_MONO:
return 1;
case SBC_CHANNEL_MODE_DUAL_CHANNEL:
case SBC_CHANNEL_MODE_STEREO:
case SBC_CHANNEL_MODE_JOINT_STEREO:
return 2;
default:
return -1;
}
}
#define A2DP_CODEC_DEFAULT_RATE 48000
#define A2DP_CODEC_DEFAULT_CHANNELS 2
static inline int a2dp_sbc_get_frequency(a2dp_sbc_t *config)
{
switch (config->frequency) {
case SBC_SAMPLING_FREQ_16000:
return 16000;
case SBC_SAMPLING_FREQ_32000:
return 32000;
case SBC_SAMPLING_FREQ_44100:
return 44100;
case SBC_SAMPLING_FREQ_48000:
return 48000;
default:
return -1;
}
}
struct a2dp_codec_audio_info {
uint32_t rate;
uint32_t channels;
};
struct a2dp_codec_handle;
@ -342,6 +320,7 @@ struct a2dp_codec {
uint8_t caps[A2DP_MAX_CAPS_SIZE]);
int (*select_config) (const struct a2dp_codec *codec, uint32_t flags,
const void *caps, size_t caps_size,
const struct a2dp_codec_audio_info *info,
const struct spa_dict *settings, uint8_t config[A2DP_MAX_CAPS_SIZE]);
int (*enum_config) (const struct a2dp_codec *codec,
const void *caps, size_t caps_size, uint32_t id, uint32_t idx,
@ -356,7 +335,7 @@ struct a2dp_codec {
* otherwise not checked beforehand.
*/
int (*caps_preference_cmp) (const struct a2dp_codec *codec, const void *caps1, size_t caps1_size,
const void *caps2, size_t caps2_size);
const void *caps2, size_t caps2_size, const struct a2dp_codec_audio_info *info);
void *(*init_props) (const struct a2dp_codec *codec, const struct spa_dict *settings);
void (*clear_props) (void *);
@ -394,6 +373,16 @@ struct a2dp_codec {
extern const struct a2dp_codec **a2dp_codecs;
bool a2dp_codec_check_caps(const struct a2dp_codec *codec, unsigned int codec_id, const void *caps, size_t caps_size);
struct a2dp_codec_config {
uint32_t config;
int value;
unsigned int priority;
};
int a2dp_codec_select_config(const struct a2dp_codec_config configs[], size_t n,
uint32_t cap, int preferred_value);
bool a2dp_codec_check_caps(const struct a2dp_codec *codec, unsigned int codec_id,
const void *caps, size_t caps_size, const struct a2dp_codec_audio_info *info);
#endif