diff options
| -rw-r--r-- | monitor/avdtp.c | 66 |
1 files changed, 62 insertions, 4 deletions
diff --git a/monitor/avdtp.c b/monitor/avdtp.c index 3b2271e6e..8041d35f6 100644 --- a/monitor/avdtp.c +++ b/monitor/avdtp.c @@ -181,6 +181,24 @@ static const char *mediatype2str(uint8_t media_type) } } +static const char *mediacodec2str(uint8_t codec) +{ + switch (codec) { + case 0x00: + return "SBC"; + case 0x01: + return "MPEG-1,2 Audio"; + case 0x02: + return "MPEG-2,4 AAC"; + case 0x04: + return "ATRAC Family"; + case 0xff: + return "Non-A2DP"; + default: + return "Reserved"; + } +} + static const char *servicecat2str(uint8_t service_cat) { switch (service_cat) { @@ -218,6 +236,34 @@ static bool avdtp_reject_common(struct avdtp_frame *avdtp_frame) return true; } +static bool service_media_codec(struct avdtp_frame *avdtp_frame, uint8_t losc) +{ + struct l2cap_frame *frame = &avdtp_frame->l2cap_frame; + uint8_t type = 0; + uint8_t codec = 0; + + if (losc < 2) + return false; + + l2cap_frame_get_u8(frame, &type); + l2cap_frame_get_u8(frame, &codec); + + losc -= 2; + + print_field("%*cMedia Type: %s (0x%02x)", 2, ' ', + mediatype2str(type >> 4), type >> 4); + + print_field("%*cMedia Codec: %s (0x%02x)", 2, ' ', + mediacodec2str(codec), codec); + + /* TODO: decode codec specific information */ + + packet_hexdump(frame->data, losc); + l2cap_frame_pull(frame, frame, losc); + + return true; +} + static bool decode_capabilities(struct avdtp_frame *avdtp_frame) { struct l2cap_frame *frame = &avdtp_frame->l2cap_frame; @@ -234,11 +280,23 @@ static bool decode_capabilities(struct avdtp_frame *avdtp_frame) if (frame->size < losc) return false; - /* TODO: decode service capabilities */ - - packet_hexdump(frame->data, losc); + switch (service_cat) { + case AVDTP_MEDIA_CODEC: + if (!service_media_codec(avdtp_frame, losc)) + return false; + break; + case AVDTP_MEDIA_TRANSPORT: + case AVDTP_REPORTING: + case AVDTP_RECOVERY: + case AVDTP_CONTENT_PROTECTION: + case AVDTP_HEADER_COMPRESSION: + case AVDTP_MULTIPLEXING: + case AVDTP_DELAY_REPORTING: + default: + packet_hexdump(frame->data, losc); + l2cap_frame_pull(frame, frame, losc); + } - l2cap_frame_pull(frame, frame, losc); } return true; |