521 lines
9.6 KiB
C
521 lines
9.6 KiB
C
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/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2011 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include "parser.h"
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static char *si2str(uint8_t si)
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{
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switch (si & 0x7f) {
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case 0x01:
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return "Discover";
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case 0x02:
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return "Capabilities";
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case 0x03:
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return "Set config";
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case 0x04:
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return "Get config";
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case 0x05:
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return "Reconfigure";
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case 0x06:
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return "Open";
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case 0x07:
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return "Start";
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case 0x08:
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return "Close";
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case 0x09:
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return "Suspend";
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case 0x0a:
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return "Abort";
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case 0x0b:
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return "Security";
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case 0x0c:
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return "All Capabilities";
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case 0x0d:
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return "Delay Report";
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default:
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return "Unknown";
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}
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}
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static char *pt2str(uint8_t hdr)
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{
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switch (hdr & 0x0c) {
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case 0x00:
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return "Single";
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case 0x04:
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return "Start";
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case 0x08:
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return "Cont";
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case 0x0c:
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return "End";
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default:
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return "Unk";
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}
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}
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static char *mt2str(uint8_t hdr)
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{
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switch (hdr & 0x03) {
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case 0x00:
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return "cmd";
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case 0x02:
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return "rsp";
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case 0x03:
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return "rej";
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default:
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return "rfd";
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}
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}
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static char *media2str(uint8_t type)
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{
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switch (type) {
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case 0:
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return "Audio";
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case 1:
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return "Video";
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case 2:
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return "Multimedia";
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default:
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return "Reserved";
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}
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}
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static char *codec2str(uint8_t type, uint8_t codec)
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{
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switch (type) {
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case 0:
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switch (codec) {
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case 0:
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return "SBC";
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case 1:
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return "MPEG-1,2 Audio";
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case 2:
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return "MPEG-2,4 AAC";
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case 4:
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return "ATRAC family";
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case 255:
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return "non-A2DP";
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default:
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return "Reserved";
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}
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break;
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case 1:
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switch (codec) {
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case 1:
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return "H.263 baseline";
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case 2:
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return "MPEG-4 Visual Simple Profile";
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case 3:
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return "H.263 profile 3";
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case 4:
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return "H.263 profile 8";
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case 255:
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return "Non-VDP";
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default:
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return "Reserved";
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}
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break;
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}
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return "Unknown";
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}
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static char *cat2str(uint8_t cat)
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{
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switch (cat) {
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case 1:
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return "Media Transport";
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case 2:
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return "Reporting";
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case 3:
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return "Recovery";
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case 4:
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return "Content Protection";
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case 5:
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return "Header Compression";
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case 6:
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return "Multiplexing";
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case 7:
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return "Media Codec";
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case 8:
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return "Delay Reporting";
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default:
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return "Reserved";
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}
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}
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static void errorcode(int level, struct frame *frm)
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{
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uint8_t code;
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p_indent(level, frm);
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code = get_u8(frm);
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printf("Error code %d\n", code);
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}
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static void acp_seid(int level, struct frame *frm)
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{
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uint8_t seid;
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p_indent(level, frm);
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seid = get_u8(frm);
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printf("ACP SEID %d\n", seid >> 2);
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}
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static void acp_int_seid(int level, struct frame *frm)
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{
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uint8_t acp_seid, int_seid;
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p_indent(level, frm);
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acp_seid = get_u8(frm);
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int_seid = get_u8(frm);
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printf("ACP SEID %d - INT SEID %d\n", acp_seid >> 2, int_seid >> 2);
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}
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static void capabilities(int level, struct frame *frm)
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{
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uint8_t cat, len;
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while (frm->len > 1) {
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p_indent(level, frm);
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cat = get_u8(frm);
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len = get_u8(frm);
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if (cat == 7) {
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uint8_t type, codec, tmp;
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type = get_u8(frm);
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codec = get_u8(frm);
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printf("%s - %s\n", cat2str(cat), codec2str(type, codec));
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switch (codec) {
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case 0:
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tmp = get_u8(frm);
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p_indent(level + 1, frm);
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if (tmp & 0x80)
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printf("16kHz ");
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if (tmp & 0x40)
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printf("32kHz ");
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if (tmp & 0x20)
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printf("44.1kHz ");
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if (tmp & 0x10)
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printf("48kHz ");
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printf("\n");
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p_indent(level + 1, frm);
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if (tmp & 0x08)
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printf("Mono ");
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if (tmp & 0x04)
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printf("DualChannel ");
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if (tmp & 0x02)
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printf("Stereo ");
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if (tmp & 0x01)
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printf("JointStereo ");
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printf("\n");
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tmp = get_u8(frm);
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p_indent(level + 1, frm);
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if (tmp & 0x80)
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printf("4 ");
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if (tmp & 0x40)
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printf("8 ");
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if (tmp & 0x20)
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printf("12 ");
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if (tmp & 0x10)
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printf("16 ");
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printf("Blocks\n");
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p_indent(level + 1, frm);
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if (tmp & 0x08)
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printf("4 ");
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if (tmp & 0x04)
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printf("8 ");
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printf("Subbands\n");
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p_indent(level + 1, frm);
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if (tmp & 0x02)
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printf("SNR ");
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if (tmp & 0x01)
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printf("Loudness ");
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printf("\n");
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tmp = get_u8(frm);
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p_indent(level + 1, frm);
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printf("Bitpool Range %d-%d\n", tmp, get_u8(frm));
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break;
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default:
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hex_dump(level + 1, frm, len - 2);
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frm->ptr += (len - 2);
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frm->len -= (len - 2);
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break;
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}
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} else {
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printf("%s\n", cat2str(cat));
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hex_dump(level + 1, frm, len);
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frm->ptr += len;
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frm->len -= len;
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}
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}
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}
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static inline void discover(int level, uint8_t hdr, struct frame *frm)
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{
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uint8_t seid, type;
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switch (hdr & 0x03) {
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case 0x02:
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while (frm->len > 1) {
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p_indent(level, frm);
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seid = get_u8(frm);
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type = get_u8(frm);
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printf("ACP SEID %d - %s %s%s\n",
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seid >> 2, media2str(type >> 4),
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type & 0x08 ? "Sink" : "Source",
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seid & 0x02 ? " (InUse)" : "");
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}
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break;
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case 0x03:
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errorcode(level, frm);
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break;
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}
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}
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static inline void get_capabilities(int level, uint8_t hdr, struct frame *frm)
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{
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switch (hdr & 0x03) {
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case 0x00:
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acp_seid(level, frm);
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break;
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case 0x02:
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capabilities(level, frm);
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break;
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case 0x03:
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errorcode(level, frm);
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break;
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}
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}
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static inline void set_configuration(int level, uint8_t hdr, struct frame *frm)
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{
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uint8_t cat;
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switch (hdr & 0x03) {
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case 0x00:
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acp_int_seid(level, frm);
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capabilities(level, frm);
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break;
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case 0x03:
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p_indent(level, frm);
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cat = get_u8(frm);
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printf("%s\n", cat2str(cat));
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errorcode(level, frm);
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break;
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}
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}
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static inline void get_configuration(int level, uint8_t hdr, struct frame *frm)
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{
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switch (hdr & 0x03) {
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case 0x00:
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acp_seid(level, frm);
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case 0x02:
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capabilities(level, frm);
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break;
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case 0x03:
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errorcode(level, frm);
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break;
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}
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}
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static inline void reconfigure(int level, uint8_t hdr, struct frame *frm)
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{
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uint8_t cat;
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switch (hdr & 0x03) {
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case 0x00:
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acp_seid(level, frm);
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capabilities(level, frm);
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break;
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case 0x03:
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p_indent(level, frm);
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cat = get_u8(frm);
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printf("%s\n", cat2str(cat));
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errorcode(level, frm);
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break;
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}
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}
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static inline void open_close_stream(int level, uint8_t hdr, struct frame *frm)
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{
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switch (hdr & 0x03) {
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case 0x00:
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acp_seid(level, frm);
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break;
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case 0x03:
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errorcode(level, frm);
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break;
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}
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}
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static inline void start_suspend_stream(int level, uint8_t hdr, struct frame *frm)
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{
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switch (hdr & 0x03) {
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case 0x00:
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while (frm->len > 0)
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acp_seid(level, frm);
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break;
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case 0x03:
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acp_seid(level, frm);
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errorcode(level, frm);
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break;
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}
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}
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static inline void abort_streaming(int level, uint8_t hdr, struct frame *frm)
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{
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switch (hdr & 0x03) {
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case 0x00:
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acp_seid(level, frm);
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break;
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}
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}
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static inline void security(int level, uint8_t hdr, struct frame *frm)
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{
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switch (hdr & 0x03) {
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case 0x00:
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acp_seid(level, frm);
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case 0x02:
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hex_dump(level + 1, frm, frm->len);
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frm->ptr += frm->len;
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frm->len = 0;
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break;
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case 0x03:
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errorcode(level, frm);
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break;
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}
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}
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static inline void delay_report(int level, uint8_t hdr, struct frame *frm)
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{
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uint8_t seid;
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uint16_t delay;
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switch (hdr & 0x03) {
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case 0x00:
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p_indent(level, frm);
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seid = get_u8(frm);
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delay = get_u16(frm);
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printf("ACP SEID %d delay %u.%ums\n", seid >> 2,
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delay / 10, delay % 10);
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break;
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case 0x03:
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errorcode(level, frm);
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break;
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}
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}
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void avdtp_dump(int level, struct frame *frm)
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{
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uint8_t hdr, sid, nsp, type;
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uint16_t seqn;
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uint32_t time, ssrc;
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switch (frm->num) {
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case 1:
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p_indent(level, frm);
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hdr = get_u8(frm);
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nsp = (hdr & 0x0c) == 0x04 ? get_u8(frm) : 0;
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sid = hdr & 0x08 ? 0x00 : get_u8(frm);
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printf("AVDTP(s): %s %s: transaction %d nsp 0x%02x\n",
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hdr & 0x08 ? pt2str(hdr) : si2str(sid),
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mt2str(hdr), hdr >> 4, nsp);
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switch (sid & 0x7f) {
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case 0x01:
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discover(level + 1, hdr, frm);
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break;
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case 0x02:
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case 0x0c:
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get_capabilities(level + 1, hdr, frm);
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break;
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case 0x03:
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set_configuration(level + 1, hdr, frm);
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break;
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case 0x04:
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get_configuration(level + 1, hdr, frm);
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break;
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case 0x05:
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reconfigure(level + 1, hdr, frm);
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break;
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case 0x06:
|
||
|
open_close_stream(level + 1, hdr, frm);
|
||
|
break;
|
||
|
case 0x07:
|
||
|
start_suspend_stream(level + 1, hdr, frm);
|
||
|
break;
|
||
|
case 0x08:
|
||
|
open_close_stream(level + 1, hdr, frm);
|
||
|
break;
|
||
|
case 0x09:
|
||
|
start_suspend_stream(level + 1, hdr, frm);
|
||
|
break;
|
||
|
case 0x0a:
|
||
|
abort_streaming(level + 1, hdr, frm);
|
||
|
break;
|
||
|
case 0x0b:
|
||
|
security(level + 1, hdr, frm);
|
||
|
break;
|
||
|
case 0x0d:
|
||
|
delay_report(level + 1, hdr, frm);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
break;
|
||
|
|
||
|
case 2:
|
||
|
p_indent(level, frm);
|
||
|
hdr = get_u8(frm);
|
||
|
type = get_u8(frm);
|
||
|
seqn = get_u16(frm);
|
||
|
time = get_u32(frm);
|
||
|
ssrc = get_u32(frm);
|
||
|
|
||
|
printf("AVDTP(m): ver %d %s%scc %d %spt %d seqn %d time %d ssrc %d\n",
|
||
|
hdr >> 6, hdr & 0x20 ? "pad " : "", hdr & 0x10 ? "ext " : "",
|
||
|
hdr & 0xf, type & 0x80 ? "mark " : "", type & 0x7f, seqn, time, ssrc);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
raw_dump(level, frm);
|
||
|
}
|