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monitor/avctp: Decode player features

Browse Source 
This decodes the bits related to browsing channel which is useful to
debug:

> ACL Data RX: Handle 256 flags 0x02 dlen 68
      Channel: 69 len 64 ctrl 0x0100 [PSM 27 mode 3] {chan 5}
      I-frame: Unsegmented TxSeq 0 ReqSeq 1
      AVCTP Browsing: Response: type 0x00 label 0 PID 0x110e
        AVRCP: GetFolderItems: len 0x0036
          Status: 0x04 (Success)
          UIDCounter: 0x0000 (0)
          NumOfItems: 0x0001 (1)
          Item: 0x01 (Media Player)
          Length: 0x002e (46)
          PlayerID: 0x0001 (1)
          PlayerType: 0x0001 (Audio)
          PlayerSubType: 0x00000000 (None)
          PlayStatus: 0x01 (PLAYING)
          Features: 0x00000000003700050000000000000000
            Advanced Control Player
            Browsing
            NowPlaying
This commit is contained in:
Luiz Augusto von Dentz 2015-10-12 17:14:00 +03:00
parent 6e7700c002
commit 9a5d081148
1 changed files with 41 additions and 0 deletions
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41
monitor/avctp.c
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@ -1813,6 +1813,45 @@ response:
return true;
}
static struct {
const char *str;
bool reserved;
} features_table[] = {
/* Ignore passthrough bits */
[58] = { "Advanced Control Player" },
[59] = { "Browsing" },
[60] = { "Searching" },
[61] = { "AddToNowPlaying" },
[62] = { "Unique UIDs" },
[63] = { "OnlyBrowsableWhenAddressed" },
[64] = { "OnlySearchableWhenAddressed" },
[65] = { "NowPlaying" },
[66] = { "UIDPersistency" },
/* 67-127 reserved */
[67 ... 127] = { .reserved = true },
};
static void print_features(uint8_t features[16], uint8_t indent)
{
int i;
for (i = 0; i < 127; i++) {
if (!(features[i / 8] & (1 << (i % 8))))
continue;
if (features_table[i].reserved) {
print_text(COLOR_WHITE_BG, "Unknown bit %u", i);
continue;
}
if (!features_table[i].str)
continue;
print_field("%*c%s", indent, ' ', features_table[i].str);
}
}
static bool avrcp_media_player_item(struct avctp_frame *avctp_frame,
uint8_t indent)
{
@ -1856,6 +1895,8 @@ static bool avrcp_media_player_item(struct avctp_frame *avctp_frame,
printf("\n");
print_features(features, indent + 2);
if (!l2cap_frame_get_be16(frame, &charset))
return false;