[pulseaudio-discuss] [RFC 4/5] bluetooth: Removed library for IPC to BlueZ
Mikel Astiz
mikel.astiz at bmw-carit.de
Wed Nov 16 07:12:17 PST 2011
---
src/Makefile.am | 15 +---
src/modules/bluetooth/ipc.c | 134 -----------------------
src/modules/bluetooth/ipc.h | 244 +------------------------------------------
3 files changed, 2 insertions(+), 391 deletions(-)
delete mode 100644 src/modules/bluetooth/ipc.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 5d63aec..43b0c0c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1197,7 +1197,6 @@ modlibexec_LTLIBRARIES += \
libbluetooth-util.la \
module-bluetooth-proximity.la \
module-bluetooth-discover.la \
- libbluetooth-ipc.la \
libbluetooth-sbc.la \
module-bluetooth-device.la
@@ -1856,14 +1855,6 @@ libbluetooth_sbc_la_LIBADD = $(MODULE_LIBADD)
libbluetooth_sbc_la_CFLAGS = $(AM_CFLAGS) -I$(top_srcdir)/src/modules/bluetooth/sbc
BLUETOOTH_SBC_FILES = $(subst modules/bluetooth/,,$(libbluetooth_sbc_la_SOURCES))
-libbluetooth_ipc_la_SOURCES = \
- modules/bluetooth/a2dp-codecs.h \
- modules/bluetooth/ipc.c modules/bluetooth/ipc.h
-libbluetooth_ipc_la_LDFLAGS = -avoid-version
-libbluetooth_ipc_la_LIBADD = $(AM_LIBADD) libpulsecore- at PA_MAJORMINOR@.la libpulsecommon- at PA_MAJORMINOR@.la libpulse.la
-libbluetooth_ipc_la_CFLAGS = $(AM_CFLAGS)
-BLUETOOTH_IPC_FILES = $(subst modules/bluetooth/,,$(libbluetooth_ipc_la_SOURCES)) rtp.h
-
libbluetooth_util_la_SOURCES = modules/bluetooth/bluetooth-util.c modules/bluetooth/bluetooth-util.h
libbluetooth_util_la_LDFLAGS = -avoid-version
libbluetooth_util_la_LIBADD = $(MODULE_LIBADD) $(DBUS_LIBS)
@@ -1871,7 +1862,7 @@ libbluetooth_util_la_CFLAGS = $(AM_CFLAGS) $(DBUS_CFLAGS)
module_bluetooth_device_la_SOURCES = modules/bluetooth/module-bluetooth-device.c modules/bluetooth/rtp.h
module_bluetooth_device_la_LDFLAGS = $(MODULE_LDFLAGS)
-module_bluetooth_device_la_LIBADD = $(MODULE_LIBADD) $(DBUS_LIBS) libbluetooth-util.la libbluetooth-ipc.la libbluetooth-sbc.la
+module_bluetooth_device_la_LIBADD = $(MODULE_LIBADD) $(DBUS_LIBS) libbluetooth-util.la libbluetooth-sbc.la
module_bluetooth_device_la_CFLAGS = $(AM_CFLAGS) $(DBUS_CFLAGS) -I$(top_srcdir)/src/modules/bluetooth/sbc
# Apple Airtunes/RAOP
@@ -1935,10 +1926,6 @@ update-sbc:
wget -O /dev/null http://git.kernel.org/\?p=bluetooth/bluez.git\;a=blob_plain\;f=$$i ; \
wget -O $(top_srcdir)/src/modules/bluetooth/$$i http://git.kernel.org/\?p=bluetooth/bluez.git\;a=blob_plain\;f=$$i ; \
done
- for i in $(BLUETOOTH_IPC_FILES); do \
- wget -O /dev/null http://git.kernel.org/\?p=bluetooth/bluez.git\;a=blob_plain\;f=audio/$$i ; \
- wget -O $(top_srcdir)/src/modules/bluetooth/$$i http://git.kernel.org/\?p=bluetooth/bluez.git\;a=blob_plain\;f=audio/$$i ; \
- done
update-reserve:
for i in reserve.c reserve.h reserve-monitor.c reserve-monitor.h ; do \
diff --git a/src/modules/bluetooth/ipc.c b/src/modules/bluetooth/ipc.c
deleted file mode 100644
index 669eeef..0000000
--- a/src/modules/bluetooth/ipc.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- *
- * BlueZ - Bluetooth protocol stack for Linux
- *
- * Copyright (C) 2004-2010 Marcel Holtmann <marcel at holtmann.org>
- *
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#include "ipc.h"
-
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-
-/* This table contains the string representation for messages types */
-static const char *strtypes[] = {
- "BT_REQUEST",
- "BT_RESPONSE",
- "BT_INDICATION",
- "BT_ERROR",
-};
-
-/* This table contains the string representation for messages names */
-static const char *strnames[] = {
- "BT_GET_CAPABILITIES",
- "BT_OPEN",
- "BT_SET_CONFIGURATION",
- "BT_NEW_STREAM",
- "BT_START_STREAM",
- "BT_STOP_STREAM",
- "BT_SUSPEND_STREAM",
- "BT_RESUME_STREAM",
- "BT_CONTROL",
-};
-
-int bt_audio_service_open(void)
-{
- int sk;
- int err;
- struct sockaddr_un addr = {
- AF_UNIX, BT_IPC_SOCKET_NAME
- };
-
- sk = socket(PF_LOCAL, SOCK_STREAM, 0);
- if (sk < 0) {
- err = errno;
- fprintf(stderr, "%s: Cannot open socket: %s (%d)\n",
- __FUNCTION__, strerror(err), err);
- errno = err;
- return -1;
- }
-
- if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- err = errno;
- fprintf(stderr, "%s: connect() failed: %s (%d)\n",
- __FUNCTION__, strerror(err), err);
- close(sk);
- errno = err;
- return -1;
- }
-
- return sk;
-}
-
-int bt_audio_service_close(int sk)
-{
- return close(sk);
-}
-
-int bt_audio_service_get_data_fd(int sk)
-{
- char cmsg_b[CMSG_SPACE(sizeof(int))], m;
- int err, ret;
- struct iovec iov = { &m, sizeof(m) };
- struct msghdr msgh;
- struct cmsghdr *cmsg;
-
- memset(&msgh, 0, sizeof(msgh));
- msgh.msg_iov = &iov;
- msgh.msg_iovlen = 1;
- msgh.msg_control = &cmsg_b;
- msgh.msg_controllen = CMSG_LEN(sizeof(int));
-
- ret = recvmsg(sk, &msgh, 0);
- if (ret < 0) {
- err = errno;
- fprintf(stderr, "%s: Unable to receive fd: %s (%d)\n",
- __FUNCTION__, strerror(err), err);
- errno = err;
- return -1;
- }
-
- /* Receive auxiliary data in msgh */
- for (cmsg = CMSG_FIRSTHDR(&msgh); cmsg != NULL;
- cmsg = CMSG_NXTHDR(&msgh, cmsg)) {
- if (cmsg->cmsg_level == SOL_SOCKET
- && cmsg->cmsg_type == SCM_RIGHTS) {
- memcpy(&ret, CMSG_DATA(cmsg), sizeof(int));
- return ret;
- }
- }
-
- errno = EINVAL;
- return -1;
-}
-
-const char *bt_audio_strtype(uint8_t type)
-{
- if (type >= ARRAY_SIZE(strtypes))
- return NULL;
-
- return strtypes[type];
-}
-
-const char *bt_audio_strname(uint8_t name)
-{
- if (name >= ARRAY_SIZE(strnames))
- return NULL;
-
- return strnames[name];
-}
diff --git a/src/modules/bluetooth/ipc.h b/src/modules/bluetooth/ipc.h
index 77c57d3..fcaef64 100644
--- a/src/modules/bluetooth/ipc.h
+++ b/src/modules/bluetooth/ipc.h
@@ -3,6 +3,7 @@
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2010 Marcel Holtmann <marcel at holtmann.org>
+ * Copyright (C) 2011 BMW Car IT GmbH. All rights reserved.
*
*
* This library is free software; you can redistribute it and/or
@@ -21,43 +22,6 @@
*
*/
-/*
- Message sequence chart of streaming sequence for A2DP transport
-
- Audio daemon User
- on snd_pcm_open
- <--BT_GET_CAPABILITIES_REQ
-
- BT_GET_CAPABILITIES_RSP-->
-
- on snd_pcm_hw_params
- <--BT_SETCONFIGURATION_REQ
-
- BT_SET_CONFIGURATION_RSP-->
-
- on snd_pcm_prepare
- <--BT_START_STREAM_REQ
-
- <Moves to streaming state>
- BT_START_STREAM_RSP-->
-
- BT_NEW_STREAM_IND -->
-
- < streams data >
- ..........
-
- on snd_pcm_drop/snd_pcm_drain
-
- <--BT_STOP_STREAM_REQ
-
- <Moves to open state>
- BT_STOP_STREAM_RSP-->
-
- on IPC close or appl crash
- <Moves to idle>
-
- */
-
#ifndef BT_AUDIOCLIENT_H
#define BT_AUDIOCLIENT_H
@@ -72,58 +36,6 @@ extern "C" {
#include <sys/un.h>
#include <errno.h>
-#define BT_SUGGESTED_BUFFER_SIZE 512
-#define BT_IPC_SOCKET_NAME "\0/org/bluez/audio"
-
-/* Generic message header definition, except for RESPONSE messages */
-typedef struct {
- uint8_t type;
- uint8_t name;
- uint16_t length;
-} __attribute__ ((packed)) bt_audio_msg_header_t;
-
-typedef struct {
- bt_audio_msg_header_t h;
- uint8_t posix_errno;
-} __attribute__ ((packed)) bt_audio_error_t;
-
-/* Message types */
-#define BT_REQUEST 0
-#define BT_RESPONSE 1
-#define BT_INDICATION 2
-#define BT_ERROR 3
-
-/* Messages names */
-#define BT_GET_CAPABILITIES 0
-#define BT_OPEN 1
-#define BT_SET_CONFIGURATION 2
-#define BT_NEW_STREAM 3
-#define BT_START_STREAM 4
-#define BT_STOP_STREAM 5
-#define BT_CLOSE 6
-#define BT_CONTROL 7
-#define BT_DELAY_REPORT 8
-
-#define BT_CAPABILITIES_TRANSPORT_A2DP 0
-#define BT_CAPABILITIES_TRANSPORT_SCO 1
-#define BT_CAPABILITIES_TRANSPORT_ANY 2
-
-#define BT_CAPABILITIES_ACCESS_MODE_READ 1
-#define BT_CAPABILITIES_ACCESS_MODE_WRITE 2
-#define BT_CAPABILITIES_ACCESS_MODE_READWRITE 3
-
-#define BT_FLAG_AUTOCONNECT 1
-
-struct bt_get_capabilities_req {
- bt_audio_msg_header_t h;
- char source[18]; /* Address of the local Device */
- char destination[18];/* Address of the remote Device */
- char object[128]; /* DBus object path */
- uint8_t transport; /* Requested transport */
- uint8_t flags; /* Requested flags */
- uint8_t seid; /* Requested capability configuration */
-} __attribute__ ((packed));
-
/**
* SBC Codec parameters as per A2DP profile 1.0 § 4.3
*/
@@ -163,25 +75,6 @@ struct bt_get_capabilities_req {
#define BT_A2DP_ALLOCATION_SNR (1 << 1)
#define BT_A2DP_ALLOCATION_LOUDNESS 1
-#define BT_MPEG_SAMPLING_FREQ_16000 (1 << 5)
-#define BT_MPEG_SAMPLING_FREQ_22050 (1 << 4)
-#define BT_MPEG_SAMPLING_FREQ_24000 (1 << 3)
-#define BT_MPEG_SAMPLING_FREQ_32000 (1 << 2)
-#define BT_MPEG_SAMPLING_FREQ_44100 (1 << 1)
-#define BT_MPEG_SAMPLING_FREQ_48000 1
-
-#define BT_MPEG_LAYER_1 (1 << 2)
-#define BT_MPEG_LAYER_2 (1 << 1)
-#define BT_MPEG_LAYER_3 1
-
-#define BT_HFP_CODEC_PCM 0x00
-
-#define BT_PCM_FLAG_NREC 0x01
-#define BT_PCM_FLAG_PCM_ROUTING 0x02
-
-#define BT_WRITE_LOCK (1 << 1)
-#define BT_READ_LOCK 1
-
typedef struct {
uint8_t seid;
uint8_t transport;
@@ -219,141 +112,6 @@ typedef struct {
uint16_t sampling_rate;
} __attribute__ ((packed)) pcm_capabilities_t;
-struct bt_get_capabilities_rsp {
- bt_audio_msg_header_t h;
- char source[18]; /* Address of the local Device */
- char destination[18];/* Address of the remote Device */
- char object[128]; /* DBus object path */
- uint8_t data[0]; /* First codec_capabilities_t */
-} __attribute__ ((packed));
-
-struct bt_open_req {
- bt_audio_msg_header_t h;
- char source[18]; /* Address of the local Device */
- char destination[18];/* Address of the remote Device */
- char object[128]; /* DBus object path */
- uint8_t seid; /* Requested capability configuration to lock */
- uint8_t lock; /* Requested lock */
-} __attribute__ ((packed));
-
-struct bt_open_rsp {
- bt_audio_msg_header_t h;
- char source[18]; /* Address of the local Device */
- char destination[18];/* Address of the remote Device */
- char object[128]; /* DBus object path */
-} __attribute__ ((packed));
-
-struct bt_set_configuration_req {
- bt_audio_msg_header_t h;
- codec_capabilities_t codec; /* Requested codec */
-} __attribute__ ((packed));
-
-struct bt_set_configuration_rsp {
- bt_audio_msg_header_t h;
- uint16_t link_mtu; /* Max length that transport supports */
-} __attribute__ ((packed));
-
-#define BT_STREAM_ACCESS_READ 0
-#define BT_STREAM_ACCESS_WRITE 1
-#define BT_STREAM_ACCESS_READWRITE 2
-struct bt_start_stream_req {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-struct bt_start_stream_rsp {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-/* This message is followed by one byte of data containing the stream data fd
- as ancilliary data */
-struct bt_new_stream_ind {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-struct bt_stop_stream_req {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-struct bt_stop_stream_rsp {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-struct bt_close_req {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-struct bt_close_rsp {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-struct bt_suspend_stream_ind {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-struct bt_resume_stream_ind {
- bt_audio_msg_header_t h;
-} __attribute__ ((packed));
-
-#define BT_CONTROL_KEY_POWER 0x40
-#define BT_CONTROL_KEY_VOL_UP 0x41
-#define BT_CONTROL_KEY_VOL_DOWN 0x42
-#define BT_CONTROL_KEY_MUTE 0x43
-#define BT_CONTROL_KEY_PLAY 0x44
-#define BT_CONTROL_KEY_STOP 0x45
-#define BT_CONTROL_KEY_PAUSE 0x46
-#define BT_CONTROL_KEY_RECORD 0x47
-#define BT_CONTROL_KEY_REWIND 0x48
-#define BT_CONTROL_KEY_FAST_FORWARD 0x49
-#define BT_CONTROL_KEY_EJECT 0x4A
-#define BT_CONTROL_KEY_FORWARD 0x4B
-#define BT_CONTROL_KEY_BACKWARD 0x4C
-
-struct bt_control_req {
- bt_audio_msg_header_t h;
- uint8_t mode; /* Control Mode */
- uint8_t key; /* Control Key */
-} __attribute__ ((packed));
-
-struct bt_control_rsp {
- bt_audio_msg_header_t h;
- uint8_t mode; /* Control Mode */
- uint8_t key; /* Control Key */
-} __attribute__ ((packed));
-
-struct bt_control_ind {
- bt_audio_msg_header_t h;
- uint8_t mode; /* Control Mode */
- uint8_t key; /* Control Key */
-} __attribute__ ((packed));
-
-struct bt_delay_report_req {
- bt_audio_msg_header_t h;
- uint16_t delay;
-} __attribute__ ((packed));
-
-struct bt_delay_report_ind {
- bt_audio_msg_header_t h;
- uint16_t delay;
-} __attribute__ ((packed));
-
-/* Function declaration */
-
-/* Opens a connection to the audio service: return a socket descriptor */
-int bt_audio_service_open(void);
-
-/* Closes a connection to the audio service */
-int bt_audio_service_close(int sk);
-
-/* Receives stream data file descriptor : must be called after a
-BT_STREAMFD_IND message is returned */
-int bt_audio_service_get_data_fd(int sk);
-
-/* Human readable message type string */
-const char *bt_audio_strtype(uint8_t type);
-
-/* Human readable message name string */
-const char *bt_audio_strname(uint8_t name);
-
#ifdef __cplusplus
}
#endif
--
1.7.6.4
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