[PATCH BlueZ v1] client: Add prompt to enter metadata for custom presets

[Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>]

From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

When adding a custom preset prompt the user to enter metadata for it
e.g.:

[bluetoothctl]> endpoint.presets 00002bcb-0000-1000-8000-00805f9b34fb 0x06 custom
[Codec] Enter frequency (Khz): **
[Codec] Enter frame duration (ms): *
[Codec] Enter channel allocation: *
[Codec] Enter frame length: **
[Metadata] Enter Metadata (value/no): <len> <type> <value...>
---
 client/player.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/client/player.c b/client/player.c
index 0314cd303e79..2702ea54247b 100644
--- a/client/player.c
+++ b/client/player.c
@@ -3900,6 +3900,24 @@ fail:
 	return bt_shell_noninteractive_quit(EXIT_FAILURE);
 }
 
+static void custom_metadata(const char *input, void *user_data)
+{
+	struct codec_preset *p = user_data;
+	struct iovec *meta = (void *)&p->meta;
+
+	if (!strcasecmp(input, "n") || !strcasecmp(input, "no"))
+		goto done;
+
+	meta->iov_base = str2bytearray((void *)input, &meta->iov_len);
+	if (!meta->iov_base) {
+		bt_shell_printf("Invalid metadata %s\n", input);
+		return bt_shell_noninteractive_quit(EXIT_FAILURE);
+	}
+
+done:
+	return bt_shell_noninteractive_quit(EXIT_SUCCESS);
+}
+
 static void custom_delay(const char *input, void *user_data)
 {
 	struct codec_preset *p = user_data;
@@ -3916,7 +3934,8 @@ static void custom_delay(const char *input, void *user_data)
 		return bt_shell_noninteractive_quit(EXIT_FAILURE);
 	}
 
-	return bt_shell_noninteractive_quit(EXIT_SUCCESS);
+	bt_shell_prompt_input("Metadata", "Enter Metadata (value/no):",
+				custom_metadata, user_data);
 }
 
 static void custom_latency(const char *input, void *user_data)
-- 
2.49.0