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Merge branch 'lhdc' into 'master'

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Draft: bluez5: add LHDC V3 A2DP vendor codec

See merge request pipewire/pipewire!1786
This commit is contained in:
anonymix007 2025-10-27 19:41:59 +00:00
commit 9f830293b5
8 changed files with 1097 additions and 0 deletions
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87
spa/plugins/bluez5/a2dp-codec-caps.h
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@ -194,6 +194,53 @@
#define LDAC_SAMPLING_FREQ_176400 0x02
#define LDAC_SAMPLING_FREQ_192000 0x01
#define LHDC_V3_VENDOR_ID 0x0000053a
#define LHDC_V3_CODEC_ID 0x4c33
#define LHDC_V5_VENDOR_ID 0x0000053a
#define LHDC_V5_CODEC_ID 0x4c35
#define LHDC_CHANNEL_MODE_STEREO 0x03
#define LHDC_BIT_DEPTH_16 0x02
#define LHDC_BIT_DEPTH_24 0x01
#define LHDC_VER3 0x01
#define LHDC_SAMPLING_FREQ_44100 0x08
#define LHDC_SAMPLING_FREQ_48000 0x04
#define LHDC_SAMPLING_FREQ_88200 0x02
#define LHDC_SAMPLING_FREQ_96000 0x01
#define LHDC_MAX_BIT_RATE_400K 0x02
#define LHDC_MAX_BIT_RATE_500K 0x01
#define LHDC_MAX_BIT_RATE_900K 0x00
#define LHDC_CH_SPLIT_MODE_NONE 0x01
#define LHDC_CH_SPLIT_MODE_TWS 0x02
#define LHDC_CH_SPLIT_MODE_TWS_PLUS 0x04
#define LHDCV5_SAMPLING_FREQ_44100 (1 << 5)
#define LHDCV5_SAMPLING_FREQ_48000 (1 << 4)
#define LHDCV5_SAMPLING_FREQ_96000 (1 << 2)
#define LHDCV5_SAMPLING_FREQ_192000 (1 << 0)
#define LHDCV5_BIT_DEPTH_16 (1 << 2)
#define LHDCV5_BIT_DEPTH_24 (1 << 1)
#define LHDCV5_BIT_DEPTH_32 (1 << 0)
#define LHDCV5_MAX_BITRATE_900K (3)
#define LHDCV5_MAX_BITRATE_500K (2)
#define LHDCV5_MAX_BITRATE_400K (1)
#define LHDCV5_MAX_BITRATE_1000K (0)
#define LHDCV5_MIN_BITRATE_400K (3)
#define LHDCV5_MIN_BITRATE_256K (2)
#define LHDCV5_MIN_BITRATE_160K (1)
#define LHDCV5_MIN_BITRATE_64K (0)
#define LHDCV5_VER_1 (1 << 0)
#define FASTSTREAM_VENDOR_ID 0x0000000a
#define FASTSTREAM_CODEC_ID 0x0001
@ -378,6 +425,46 @@ typedef struct {
uint8_t source_frequency:4;
} __attribute__ ((packed)) a2dp_faststream_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t frequency:4;
uint8_t bit_depth:2;
uint8_t jas:1;
uint8_t ar:1;
uint8_t version:4;
uint8_t max_bit_rate:2;
uint8_t low_latency:1;
uint8_t llac:1;
uint8_t ch_split_mode:4;
uint8_t meta:1;
uint8_t min_bitrate:1;
uint8_t larc:1;
uint8_t lhdc_v4:1;
} __attribute__ ((packed)) a2dp_lhdc_v3_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t sampling_freq:6;
uint8_t rfa1:2;
uint8_t bit_depth:3;
uint8_t rfa2:1;
uint8_t max_bitrate:2;
uint8_t min_bitrate:2;
uint8_t version:4;
uint8_t frame_len_5ms:1;
uint8_t rfa3:3;
uint8_t ar:1;
uint8_t jas:1;
uint8_t meta:1;
uint8_t rfa4:1;
uint8_t lossless_96k:1;
uint8_t lossless_24b:1;
uint8_t low_latency:1;
uint8_t lossless_48k:1;
uint8_t rfa5:7;
uint8_t lossless_raw_48k:1;
} __attribute__ ((packed)) a2dp_lhdc_v5_t;
#elif __BYTE_ORDER == __BIG_ENDIAN
typedef struct {