Support parsing Opus (Google) A2DP vendor codec capabilities. Transport /org/bluez/hci0/dev_B8_7B_D4_32_44_15/sep3/fd2 UUID: 0000110a-0000-1000-8000-00805f9b34fb Codec: 0xff (255) Media Codec: Vendor Specific A2DP Codec Vendor ID 0x000000e0 Vendor Specific Codec ID 0x0001 Vendor Specific Data: 0x92 Vendor Specific Value (Opus [Google]) Frequencies: 48kHz Channel modes: Stereo Frame durations: 20 ms Device: /org/bluez/hci0/dev_B8_7B_D4_32_44_15 State: idle Delay: 0x0898 (2200) Volume: 0x001e (30) Endpoint: /org/bluez/hci0/dev_B8_7B_D4_32_44_15/sep3 --- client/player.c | 32 ++++++++++++++++++++++++++++++++ profiles/audio/a2dp-codecs.h | 17 +++++++++++++++++ 2 files changed, 49 insertions(+) diff --git a/client/player.c b/client/player.c index b43b4b867..a40bf66e3 100644 --- a/client/player.c +++ b/client/player.c @@ -2471,6 +2471,36 @@ static void print_ldac(a2dp_ldac_t *ldac, uint8_t size) bt_shell_printf("\n"); } +static void print_opus_g(a2dp_opus_g_t *opus, uint8_t size) +{ + bt_shell_printf("\t\tVendor Specific Value (Opus [Google])"); + + if (size < sizeof(*opus)) { + bt_shell_printf(" (broken)\n"); + return; + } + + bt_shell_printf("\n\t\tFrequencies: "); + if (opus->data & OPUS_G_FREQUENCY_48000) + bt_shell_printf("48kHz "); + + bt_shell_printf("\n\t\tChannel modes: "); + if (opus->data & OPUS_G_CHANNELS_MONO) + bt_shell_printf("Mono "); + if (opus->data & OPUS_G_CHANNELS_STEREO) + bt_shell_printf("Stereo "); + if (opus->data & OPUS_G_CHANNELS_DUAL) + bt_shell_printf("Dual Mono "); + + bt_shell_printf("\n\t\tFrame durations: "); + if (opus->data & OPUS_G_DURATION_100) + bt_shell_printf("10 ms "); + if (opus->data & OPUS_G_DURATION_200) + bt_shell_printf("20 ms "); + + bt_shell_printf("\n"); +} + static void print_vendor(a2dp_vendor_codec_t *vendor, uint8_t size) { uint32_t vendor_id; @@ -2508,6 +2538,8 @@ static void print_vendor(a2dp_vendor_codec_t *vendor, uint8_t size) print_aptx_hd((void *) vendor, size); else if (vendor_id == LDAC_VENDOR_ID && codec_id == LDAC_CODEC_ID) print_ldac((void *) vendor, size); + else if (vendor_id == OPUS_G_VENDOR_ID && codec_id == OPUS_G_CODEC_ID) + print_opus_g((void *) vendor, size); } static void print_mpeg24(a2dp_aac_t *aac, uint8_t size) diff --git a/profiles/audio/a2dp-codecs.h b/profiles/audio/a2dp-codecs.h index 6f5670947..38b9038f8 100644 --- a/profiles/audio/a2dp-codecs.h +++ b/profiles/audio/a2dp-codecs.h @@ -250,6 +250,18 @@ #define LDAC_CHANNEL_MODE_DUAL 0x02 #define LDAC_CHANNEL_MODE_STEREO 0x01 +#define OPUS_G_VENDOR_ID 0x000000e0 +#define OPUS_G_CODEC_ID 0x0001 + +#define OPUS_G_FREQUENCY_48000 0x80 + +#define OPUS_G_DURATION_100 0x08 +#define OPUS_G_DURATION_200 0x10 + +#define OPUS_G_CHANNELS_MONO 0x01 +#define OPUS_G_CHANNELS_STEREO 0x02 +#define OPUS_G_CHANNELS_DUAL 0x04 + typedef struct { uint8_t vendor_id4; uint8_t vendor_id3; @@ -420,3 +432,8 @@ typedef struct { uint8_t reserved2; uint8_t reserved3; } __attribute__ ((packed)) a2dp_aptx_hd_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t data; +} __attribute__ ((packed)) a2dp_opus_g_t; -- 2.43.0