Move bluetooth discover and device modules to src/modules/bluetooth

1 files changed, 0 insertions, 949 deletions

diff --git a/src/modules/module-bt-device.c b/src/modules/module-bt-device.c
deleted file mode 100644
index 654130bf..00000000
--- a/src/modules/module-bt-device.c
+++ /dev/null
@@ -1,949 +0,0 @@
-/***
-    This file is part of PulseAudio.
-
-    Copyright 2008 Joao Paulo Rechi Vita
-
-    PulseAudio 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 of the License,
-    or (at your option) any later version.
-
-    PulseAudio 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
-    General Public License for more details.
-
-    You should have received a copy of the GNU Lesser General Public License
-    along with PulseAudio; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-    USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <errno.h>
-#include <poll.h>
-#include <sys/ioctl.h>
-#include <linux/sockios.h>
-#include <arpa/inet.h>
-
-#include <pulse/xmalloc.h>
-#include <pulse/timeval.h>
-#include <pulse/sample.h>
-#include <pulsecore/module.h>
-#include <pulsecore/modargs.h>
-#include <pulsecore/core-util.h>
-#include <pulsecore/core-error.h>
-#include <pulsecore/socket-util.h>
-#include <pulsecore/thread.h>
-#include <pulsecore/thread-mq.h>
-#include <pulsecore/rtpoll.h>
-#include <pulsecore/time-smoother.h>
-#include <pulsecore/rtclock.h>
-
-#include "dbus-util.h"
-#include "module-bt-device-symdef.h"
-#include "bt-ipc.h"
-#include "bt-sbc.h"
-#include "bt-rtp.h"
-
-#define DEFAULT_SINK_NAME "bluetooth_sink"
-#define BUFFER_SIZE 2048
-#define MAX_BITPOOL 64
-#define MIN_BITPOOL 2
-#define SOL_SCO 17
-#define SCO_TXBUFS 0x03
-#define SCO_RXBUFS 0x04
-
-PA_MODULE_AUTHOR("Joao Paulo Rechi Vita");
-PA_MODULE_DESCRIPTION("Bluetooth audio sink and source");
-PA_MODULE_VERSION(PACKAGE_VERSION);
-PA_MODULE_LOAD_ONCE(FALSE);
-PA_MODULE_USAGE(
-        "name=<name of the device> "
-        "addr=<address of the device> "
-        "profile=<a2dp|hsp>");
-
-struct bt_a2dp {
-    sbc_capabilities_t sbc_capabilities;
-    sbc_t sbc;                           /* Codec data */
-    pa_bool_t sbc_initialized;           /* Keep track if the encoder is initialized */
-    int codesize;                        /* SBC codesize */
-    int samples;                         /* Number of encoded samples */
-    uint8_t buffer[BUFFER_SIZE];         /* Codec transfer buffer */
-    int count;                           /* Codec transfer buffer counter */
-
-    uint32_t nsamples;                   /* Cumulative number of codec samples */
-    uint16_t seq_num;                    /* Cumulative packet sequence */
-    int frame_count;                     /* Current frames in buffer*/
-};
-
-struct userdata {
-    pa_core *core;
-    pa_module *module;
-    pa_sink *sink;
-
-    pa_thread_mq thread_mq;
-    pa_rtpoll *rtpoll;
-    pa_rtpoll_item *rtpoll_item;
-    pa_thread *thread;
-
-    int64_t offset;
-    pa_smoother *smoother;
-
-    pa_memchunk memchunk;
-    pa_mempool *mempool;
-
-    char *name;
-    char *addr;
-    char *profile;
-    pa_sample_spec ss;
-
-    int audioservice_fd;
-    int stream_fd;
-
-    int transport;
-    char *strtransport;
-    int link_mtu;
-    size_t block_size;
-    pa_usec_t latency;
-
-    struct bt_a2dp a2dp;
-};
-
-static const char* const valid_modargs[] = {
-    "name",
-    "addr",
-    "profile",
-    "rate",
-    "channels",
-    NULL
-};
-
-static int bt_audioservice_send(int sk, const bt_audio_msg_header_t *msg) {
-    int e;
-    pa_log_debug("sending %s", bt_audio_strmsg(msg->msg_type));
-    if (send(sk, msg, BT_AUDIO_IPC_PACKET_SIZE, 0) > 0)
-        e = 0;
-    else {
-        e = -errno;
-        pa_log_error("Error sending data to audio service: %s(%d)", pa_cstrerror(errno), errno);
-    }
-    return e;
-}
-
-static int bt_audioservice_recv(int sk, bt_audio_msg_header_t *inmsg) {
-    int e;
-    const char *type;
-
-    pa_log_debug("trying to receive msg from audio service...");
-    if (recv(sk, inmsg, BT_AUDIO_IPC_PACKET_SIZE, 0) > 0) {
-        type = bt_audio_strmsg(inmsg->msg_type);
-        if (type) {
-            pa_log_debug("Received %s", type);
-            e = 0;
-        }
-        else {
-            e = -EINVAL;
-            pa_log_error("Bogus message type %d received from audio service", inmsg->msg_type);
-        }
-    }
-    else {
-        e = -errno;
-        pa_log_error("Error receiving data from audio service: %s(%d)", pa_cstrerror(errno), errno);
-    }
-
-    return e;
-}
-
-static int bt_audioservice_expect(int sk, bt_audio_msg_header_t *rsp_hdr, int expected_type) {
-    int e = bt_audioservice_recv(sk, rsp_hdr);
-    if (e == 0) {
-        if (rsp_hdr->msg_type != expected_type) {
-            e = -EINVAL;
-            pa_log_error("Bogus message %s received while %s was expected", bt_audio_strmsg(rsp_hdr->msg_type),
-                    bt_audio_strmsg(expected_type));
-        }
-    }
-    return e;
-}
-
-static int bt_getcaps(struct userdata *u) {
-    int e;
-    union {
-        bt_audio_rsp_msg_header_t rsp_hdr;
-        struct bt_getcapabilities_req getcaps_req;
-        struct bt_getcapabilities_rsp getcaps_rsp;
-        uint8_t buf[BT_AUDIO_IPC_PACKET_SIZE];
-    } msg;
-
-    memset(msg.buf, 0, BT_AUDIO_IPC_PACKET_SIZE);
-    msg.getcaps_req.h.msg_type = BT_GETCAPABILITIES_REQ;
-    strncpy(msg.getcaps_req.device, u->addr, 18);
-    if (strcasecmp(u->profile, "a2dp") == 0)
-        msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_A2DP;
-    else if (strcasecmp(u->profile, "hsp") == 0)
-        msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_SCO;
-    else {
-        pa_log_error("invalid profile argument: %s", u->profile);
-        return -1;
-    }
-    msg.getcaps_req.flags = BT_FLAG_AUTOCONNECT;
-
-    e = bt_audioservice_send(u->audioservice_fd, &msg.getcaps_req.h);
-    if (e < 0) {
-        pa_log_error("failed to send GETCAPABILITIES_REQ");
-        return e;
-    }
-
-    e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_GETCAPABILITIES_RSP);
-    if (e < 0) {
-        pa_log_error("failed to expect for GETCAPABILITIES_RSP");
-        return e;
-    }
-    if (msg.rsp_hdr.posix_errno != 0) {
-        pa_log_error("BT_GETCAPABILITIES failed : %s (%d)", pa_cstrerror(msg.rsp_hdr.posix_errno), msg.rsp_hdr.posix_errno);
-        return -msg.rsp_hdr.posix_errno;
-    }
-
-    if ((u->transport = msg.getcaps_rsp.transport) == BT_CAPABILITIES_TRANSPORT_A2DP)
-        u->a2dp.sbc_capabilities = msg.getcaps_rsp.sbc_capabilities;
-
-    return 0;
-}
-
-static uint8_t default_bitpool(uint8_t freq, uint8_t mode) {
-    switch (freq) {
-        case BT_SBC_SAMPLING_FREQ_16000:
-        case BT_SBC_SAMPLING_FREQ_32000:
-            return 53;
-        case BT_SBC_SAMPLING_FREQ_44100:
-            switch (mode) {
-                case BT_A2DP_CHANNEL_MODE_MONO:
-                case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
-                    return 31;
-                case BT_A2DP_CHANNEL_MODE_STEREO:
-                case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
-                    return 53;
-                default:
-                    pa_log_warn("Invalid channel mode %u", mode);
-                    return 53;
-            }
-        case BT_SBC_SAMPLING_FREQ_48000:
-            switch (mode) {
-                case BT_A2DP_CHANNEL_MODE_MONO:
-                case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
-                    return 29;
-                case BT_A2DP_CHANNEL_MODE_STEREO:
-                case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
-                    return 51;
-                default:
-                    pa_log_warn("Invalid channel mode %u", mode);
-                    return 51;
-            }
-        default:
-            pa_log_warn("Invalid sampling freq %u", freq);
-            return 53;
-    }
-}
-
-static int bt_a2dp_init(struct userdata *u) {
-    sbc_capabilities_t *cap = &u->a2dp.sbc_capabilities;
-    unsigned int max_bitpool, min_bitpool;
-
-    switch (u->ss.rate) {
-        case 48000:
-            cap->frequency = BT_SBC_SAMPLING_FREQ_48000;
-            break;
-        case 44100:
-            cap->frequency = BT_SBC_SAMPLING_FREQ_44100;
-            break;
-        case 32000:
-            cap->frequency = BT_SBC_SAMPLING_FREQ_32000;
-            break;
-        case 16000:
-            cap->frequency = BT_SBC_SAMPLING_FREQ_16000;
-            break;
-        default:
-            pa_log_error("Rate %d not supported", u->ss.rate);
-            return -1;
-    }
-
-    if (u->ss.channels == 2) {
-        if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
-            cap->channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
-        else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
-            cap->channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
-        else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
-            cap->channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
-    } else {
-        if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
-            cap->channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
-    }
-
-    if (!cap->channel_mode) {
-        pa_log_error("No supported channel modes");
-        return -1;
-    }
-
-    if (cap->block_length & BT_A2DP_BLOCK_LENGTH_16)
-        cap->block_length = BT_A2DP_BLOCK_LENGTH_16;
-    else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_12)
-        cap->block_length = BT_A2DP_BLOCK_LENGTH_12;
-    else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_8)
-        cap->block_length = BT_A2DP_BLOCK_LENGTH_8;
-    else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4)
-        cap->block_length = BT_A2DP_BLOCK_LENGTH_4;
-    else {
-        pa_log_error("No supported block lengths");
-        return -1;
-    }
-
-    if (cap->subbands & BT_A2DP_SUBBANDS_8)
-        cap->subbands = BT_A2DP_SUBBANDS_8;
-    else if (cap->subbands & BT_A2DP_SUBBANDS_4)
-        cap->subbands = BT_A2DP_SUBBANDS_4;
-    else {
-        pa_log_error("No supported subbands");
-        return -1;
-    }
-
-    if (cap->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS)
-        cap->allocation_method = BT_A2DP_ALLOCATION_LOUDNESS;
-    else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR)
-        cap->allocation_method = BT_A2DP_ALLOCATION_SNR;
-
-    min_bitpool = PA_MAX(MIN_BITPOOL, cap->min_bitpool);
-    max_bitpool = PA_MIN(default_bitpool(cap->frequency, cap->channel_mode), cap->max_bitpool);
-
-    cap->min_bitpool = min_bitpool;
-    cap->max_bitpool = max_bitpool;
-
-    return 0;
-}
-
-static void bt_a2dp_setup(struct bt_a2dp *a2dp) {
-    sbc_capabilities_t active_capabilities = a2dp->sbc_capabilities;
-
-    if (a2dp->sbc_initialized)
-        sbc_reinit(&a2dp->sbc, 0);
-    else
-        sbc_init(&a2dp->sbc, 0);
-    a2dp->sbc_initialized = TRUE;
-
-    if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_16000)
-        a2dp->sbc.frequency = SBC_FREQ_16000;
-
-    if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_32000)
-        a2dp->sbc.frequency = SBC_FREQ_32000;
-
-    if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_44100)
-        a2dp->sbc.frequency = SBC_FREQ_44100;
-
-    if (active_capabilities.frequency & BT_SBC_SAMPLING_FREQ_48000)
-        a2dp->sbc.frequency = SBC_FREQ_48000;
-
-    if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
-        a2dp->sbc.mode = SBC_MODE_MONO;
-
-    if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
-        a2dp->sbc.mode = SBC_MODE_DUAL_CHANNEL;
-
-    if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
-        a2dp->sbc.mode = SBC_MODE_STEREO;
-
-    if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
-        a2dp->sbc.mode = SBC_MODE_JOINT_STEREO;
-
-    a2dp->sbc.allocation = (active_capabilities.allocation_method == BT_A2DP_ALLOCATION_SNR ? SBC_AM_SNR : SBC_AM_LOUDNESS);
-
-    switch (active_capabilities.subbands) {
-        case BT_A2DP_SUBBANDS_4:
-            a2dp->sbc.subbands = SBC_SB_4;
-            break;
-        case BT_A2DP_SUBBANDS_8:
-            a2dp->sbc.subbands = SBC_SB_8;
-            break;
-    }
-
-    switch (active_capabilities.block_length) {
-        case BT_A2DP_BLOCK_LENGTH_4:
-            a2dp->sbc.blocks = SBC_BLK_4;
-            break;
-        case BT_A2DP_BLOCK_LENGTH_8:
-            a2dp->sbc.blocks = SBC_BLK_8;
-            break;
-        case BT_A2DP_BLOCK_LENGTH_12:
-            a2dp->sbc.blocks = SBC_BLK_12;
-            break;
-        case BT_A2DP_BLOCK_LENGTH_16:
-            a2dp->sbc.blocks = SBC_BLK_16;
-            break;
-    }
-
-    a2dp->sbc.bitpool = active_capabilities.max_bitpool;
-    a2dp->codesize = sbc_get_codesize(&a2dp->sbc);
-    a2dp->count = sizeof(struct rtp_header) + sizeof(struct rtp_payload);
-}
-
-static int bt_setconf(struct userdata *u) {
-    int e;
-    union {
-        bt_audio_rsp_msg_header_t rsp_hdr;
-        struct bt_setconfiguration_req setconf_req;
-        struct bt_setconfiguration_rsp setconf_rsp;
-        uint8_t buf[BT_AUDIO_IPC_PACKET_SIZE];
-    } msg;
-
-    if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
-        e = bt_a2dp_init(u);
-        if (e < 0) {
-            pa_log_error("a2dp_init error");
-            return e;
-        }
-        u->ss.format = PA_SAMPLE_S16LE;
-    }
-    else
-        u->ss.format = PA_SAMPLE_U8;
-
-    memset(msg.buf, 0, BT_AUDIO_IPC_PACKET_SIZE);
-    msg.setconf_req.h.msg_type = BT_SETCONFIGURATION_REQ;
-    strncpy(msg.setconf_req.device, u->addr, 18);
-    msg.setconf_req.transport = u->transport;
-    if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP)
-        msg.setconf_req.sbc_capabilities = u->a2dp.sbc_capabilities;
-    msg.setconf_req.access_mode = BT_CAPABILITIES_ACCESS_MODE_WRITE;
-
-    e = bt_audioservice_send(u->audioservice_fd, &msg.setconf_req.h);
-    if (e < 0) {
-        pa_log_error("failed to send BT_SETCONFIGURATION_REQ");
-        return e;
-    }
-
-    e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_SETCONFIGURATION_RSP);
-    if (e < 0) {
-        pa_log_error("failed to expect BT_SETCONFIGURATION_RSP");
-        return e;
-    }
-
-    if (msg.rsp_hdr.posix_errno != 0) {
-        pa_log_error("BT_SETCONFIGURATION failed : %s(%d)", pa_cstrerror(msg.rsp_hdr.posix_errno), msg.rsp_hdr.posix_errno);
-        return -msg.rsp_hdr.posix_errno;
-    }
-
-    u->transport = msg.setconf_rsp.transport;
-    u->strtransport = (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP ? pa_xstrdup("A2DP") : pa_xstrdup("SCO"));
-    u->link_mtu = msg.setconf_rsp.link_mtu;
-
-    /* setup SBC encoder now we agree on parameters */
-    if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
-        bt_a2dp_setup(&u->a2dp);
-        u->block_size = u->a2dp.codesize;
-        pa_log_info("sbc parameters:\n\tallocation=%u\n\tsubbands=%u\n\tblocks=%u\n\tbitpool=%u\n",
-                u->a2dp.sbc.allocation, u->a2dp.sbc.subbands, u->a2dp.sbc.blocks, u->a2dp.sbc.bitpool);
-    }
-    else
-        u->block_size = u->link_mtu;
-
-    return 0;
-}
-
-static int bt_getstreamfd(struct userdata *u) {
-    int e;
-//    uint32_t period_count = io->buffer_size / io->period_size;
-    union {
-        bt_audio_rsp_msg_header_t rsp_hdr;
-        struct bt_streamstart_req start_req;
-        struct bt_streamfd_ind streamfd_ind;
-        uint8_t buf[BT_AUDIO_IPC_PACKET_SIZE];
-    } msg;
-
-    memset(msg.buf, 0, BT_AUDIO_IPC_PACKET_SIZE);
-    msg.start_req.h.msg_type = BT_STREAMSTART_REQ;
-
-    e = bt_audioservice_send(u->audioservice_fd, &msg.start_req.h);
-    if (e < 0) {
-        pa_log_error("failed to send BT_STREAMSTART_REQ");
-        return e;
-    }
-
-    e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_STREAMSTART_RSP);
-    if (e < 0) {
-        pa_log_error("failed to expect BT_STREAMSTART_RSP");
-        return e;
-    }
-
-    if (msg.rsp_hdr.posix_errno != 0) {
-        pa_log_error("BT_START failed : %s(%d)", pa_cstrerror(msg.rsp_hdr.posix_errno), msg.rsp_hdr.posix_errno);
-        return -msg.rsp_hdr.posix_errno;
-    }
-
-    e = bt_audioservice_expect(u->audioservice_fd, &msg.streamfd_ind.h, BT_STREAMFD_IND);
-    if (e < 0) {
-        pa_log_error("failed to expect BT_STREAMFD_IND");
-        return e;
-    }
-
-    if (u->stream_fd >= 0)
-        pa_close(u->stream_fd);
-
-    u->stream_fd = bt_audio_service_get_data_fd(u->audioservice_fd);
-    if (u->stream_fd < 0) {
-        pa_log_error("failed to get data fd: %s (%d)",pa_cstrerror(errno), errno);
-        return -errno;
-    }
-
-    if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
-        if (pa_socket_set_sndbuf(u->stream_fd, 10*u->link_mtu) < 0) {
-            pa_log_error("failed to set socket options for A2DP: %s (%d)",pa_cstrerror(errno), errno);
-            return -errno;
-        }
-    }
-
-//   if (setsockopt(u->stream_fd, SOL_SCO, SCO_TXBUFS, &period_count, sizeof(period_count)) == 0)
-//       return 0;
-//   if (setsockopt(u->stream_fd, SOL_SCO, SO_SNDBUF, &period_count, sizeof(period_count)) == 0)
-//       return 0;
-//   /* FIXME : handle error codes */
-    pa_make_fd_nonblock(u->stream_fd);
-//    pa_make_socket_low_delay(u->stream_fd);
-
-    return 0;
-}
-
-static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
-    struct userdata *u = PA_SINK(o)->userdata;
-
-    pa_log_debug("got message: %d", code);
-    switch (code) {
-
-        case PA_SINK_MESSAGE_SET_STATE:
-            switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
-                case PA_SINK_SUSPENDED:
-                    pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
-                    pa_smoother_pause(u->smoother, pa_rtclock_usec());
-                    break;
-                case PA_SINK_IDLE:
-                case PA_SINK_RUNNING:
-                    if (u->sink->thread_info.state == PA_SINK_SUSPENDED)
-                        pa_smoother_resume(u->smoother, pa_rtclock_usec());
-                    break;
-                case PA_SINK_UNLINKED:
-                case PA_SINK_INIT:
-                    ;
-            }
-            break;
-
-        case PA_SINK_MESSAGE_GET_LATENCY: {
-            pa_usec_t w, r;
-            r = pa_smoother_get(u->smoother, pa_rtclock_usec());
-            w = pa_bytes_to_usec(u->offset + u->memchunk.length, &u->sink->sample_spec);
-            *((pa_usec_t*) data) = w > r ? w - r : 0;
-            return 0;
-        }
-
-    }
-
-    return pa_sink_process_msg(o, code, data, offset, chunk);
-}
-
-static int sco_process_render(struct userdata *u) {
-    void *p;
-    ssize_t l;
-    int write_type = 0;
-
-    u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
-    pa_log_debug("memblock asked size %d", u->block_size);
-    u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
-    pa_log_debug("memchunk length %d", u->memchunk.length);
-    pa_sink_render_into_full(u->sink, &u->memchunk);
-
-    pa_assert(u->memchunk.length > 0);
-
-    p = pa_memblock_acquire(u->memchunk.memblock);
-
-sco_write:
-    l = pa_write(u->stream_fd, (uint8_t*) p, u->memchunk.length, &write_type);
-    pa_log_debug("memblock written to socket: %d bytes", l);
-
-    pa_assert(l != 0);
-
-    if (l < 0) {
-        if (errno == EINTR) {
-            pa_log_debug("EINTR");
-            goto sco_write;
-        }
-        else if (errno == EAGAIN) {
-            pa_log_debug("EAGAIN");
-            goto sco_write;
-        }
-        else {
-            pa_memblock_release(u->memchunk.memblock);
-            pa_memblock_unref(u->memchunk.memblock);
-            pa_memchunk_reset(&u->memchunk);
-            pa_log_debug("memchunk reseted");
-            pa_log_error("Failed to write data to FIFO: %s", pa_cstrerror(errno));
-            return -1;
-        }
-    } else {
-        pa_memblock_release(u->memchunk.memblock);
-        pa_memblock_unref(u->memchunk.memblock);
-        pa_memchunk_reset(&u->memchunk);
-        pa_log_debug("memchunk reseted");
-        u->offset += l;
-        return 0;
-    }
-}
-
-static int a2dp_process_render(struct userdata *u) {
-    ssize_t l;
-    int write_type = 0, written;
-    struct bt_a2dp *a2dp = &u->a2dp;
-    struct rtp_header *header = (void *) a2dp->buffer;
-    struct rtp_payload *payload = (void *) (a2dp->buffer + sizeof(*header));
-
-    pa_assert(u);
-
-    do {
-        /* Render some data */
-        int frame_size, encoded;
-        void *p;
-
-        u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
-        pa_log_debug("memblock asked size %d", u->block_size);
-        u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
-        pa_log_debug("memchunk length %d", u->memchunk.length);
-        pa_sink_render_into_full(u->sink, &u->memchunk);
-
-        pa_assert(u->memchunk.length > 0);
-
-        p = pa_memblock_acquire(u->memchunk.memblock);
-        frame_size = sbc_get_frame_length(&a2dp->sbc);
-        pa_log_debug("SBC frame_size: %d", frame_size);
-
-        encoded = sbc_encode(&a2dp->sbc, (uint8_t*) p, a2dp->codesize, a2dp->buffer + a2dp->count,
-                sizeof(a2dp->buffer) - a2dp->count, &written);
-        pa_log_debug("SBC: encoded: %d; written: %d", encoded, written);
-        if (encoded <= 0) {
-            pa_log_error("SBC encoding error (%d)", encoded);
-            return -1;
-        }
-        pa_memblock_release(u->memchunk.memblock);
-        pa_memblock_unref(u->memchunk.memblock);
-        pa_memchunk_reset(&u->memchunk);
-        pa_log_debug("memchunk reseted");
-
-        a2dp->count += written;
-        a2dp->frame_count++;
-        a2dp->samples += encoded / frame_size;
-        a2dp->nsamples += encoded / frame_size;
-
-    } while (a2dp->count + written <= u->link_mtu);
-
-    /* write it to the fifo */
-    memset(a2dp->buffer, 0, sizeof(*header) + sizeof(*payload));
-    payload->frame_count = a2dp->frame_count;
-    header->v = 2;
-    header->pt = 1;
-    header->sequence_number = htons(a2dp->seq_num);
-    header->timestamp = htonl(a2dp->nsamples);
-    header->ssrc = htonl(1);
-
-avdtp_write:
-    l = pa_write(u->stream_fd, a2dp->buffer, a2dp->count, &write_type);
-    pa_log_debug("avdtp_write: requested %d bytes; written %d bytes", a2dp->count, l);
-
-    pa_assert(l != 0);
-
-    if (l < 0) {
-        if (errno == EINTR) {
-            pa_log_debug("EINTR");
-            goto avdtp_write;
-        }
-        else if (errno == EAGAIN) {
-            pa_log_debug("EAGAIN");
-            goto avdtp_write;
-        }
-        else {
-            pa_log_error("Failed to write data to FIFO: %s", pa_cstrerror(errno));
-            return -1;
-        }
-    }
-
-    u->offset += a2dp->codesize*a2dp->frame_count;
-
-    /* Reset buffer of data to send */
-    a2dp->count = sizeof(struct rtp_header) + sizeof(struct rtp_payload);
-    a2dp->frame_count = 0;
-    a2dp->samples = 0;
-    a2dp->seq_num++;
-
-    return 0;
-}
-
-static void thread_func(void *userdata) {
-    struct userdata *u = userdata;
-
-    pa_assert(u);
-
-    pa_log_debug("IO Thread starting up");
-
-    pa_thread_mq_install(&u->thread_mq);
-    pa_rtpoll_install(u->rtpoll);
-
-    pa_smoother_set_time_offset(u->smoother, pa_rtclock_usec());
-
-    for (;;) {
-        int ret, l;
-        struct pollfd *pollfd;
-        uint64_t n;
-        pa_usec_t usec;
-
-        if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
-            if (u->sink->thread_info.rewind_requested) {
-                pa_sink_process_rewind(u->sink, 0);
-            }
-        }
-
-        pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
-
-        if (PA_SINK_IS_OPENED(u->sink->thread_info.state) && pollfd->revents) {
-            if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
-                if ((l = a2dp_process_render(u)) < 0)
-                    goto fail;
-            }
-            else {
-                if ((l = sco_process_render(u)) < 0)
-                    goto fail;
-            }
-            pollfd->revents = 0;
-
-            /* feed the time smoother */
-            n = u->offset;
-            if (ioctl(u->stream_fd, SIOCOUTQ, &l) >= 0 && l > 0)
-                n -= l;
-            usec = pa_bytes_to_usec(n, &u->sink->sample_spec);
-            if (usec > u->latency)
-                usec -= u->latency;
-            else
-                usec = 0;
-            pa_smoother_put(u->smoother, pa_rtclock_usec(), usec);
-        }
-
-        /* Hmm, nothing to do. Let's sleep */
-        pa_log_debug("IO thread going to sleep");
-        pollfd->events = PA_SINK_IS_OPENED(u->sink->thread_info.state) ? POLLOUT : 0;
-        if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) {
-            pa_log_error("rtpoll_run < 0");
-            goto fail;
-        }
-        pa_log_debug("IO thread waking up");
-
-        if (ret == 0) {
-            pa_log_debug("rtpoll_run == 0");
-            goto finish;
-        }
-
-        pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
-        if (pollfd->revents & ~POLLOUT) {
-            pa_log_error("FIFO shutdown.");
-            goto fail;
-        }
-    }
-
-fail:
-    /* If this was no regular exit from the loop we have to continue processing messages until we receive PA_MESSAGE_SHUTDOWN */
-    pa_log_debug("IO thread failed");
-    pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
-    pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
-
-finish:
-    pa_log_debug("IO thread shutting down");
-}
-
-int pa__init(pa_module* m) {
-    int e;
-    pa_modargs *ma;
-    uint32_t channels;
-    pa_sink_new_data data;
-    struct pollfd *pollfd;
-    struct userdata *u;
-
-    pa_assert(m);
-    m->userdata = u = pa_xnew0(struct userdata, 1);
-    u->module = m;
-    u->core = m->core;
-    u->audioservice_fd = -1;
-    u->stream_fd = -1;
-    u->transport = -1;
-    u->offset = 0;
-    u->latency = 0;
-    u->a2dp.sbc_initialized = FALSE;
-    u->smoother = pa_smoother_new(PA_USEC_PER_SEC, PA_USEC_PER_SEC*2, TRUE, 10);
-    u->mempool = pa_mempool_new(FALSE);
-    pa_memchunk_reset(&u->memchunk);
-    u->rtpoll = pa_rtpoll_new();
-    pa_thread_mq_init(&u->thread_mq, u->core->mainloop, u->rtpoll);
-    u->rtpoll_item = NULL;
-
-    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
-        pa_log_error("failed to parse module arguments");
-        goto fail;
-    }
-    if (!(u->name = pa_xstrdup(pa_modargs_get_value(ma, "name", DEFAULT_SINK_NAME)))) {
-        pa_log_error("failed to get device name from module arguments");
-        goto fail;
-    }
-    if (!(u->addr = pa_xstrdup(pa_modargs_get_value(ma, "addr", NULL)))) {
-        pa_log_error("failed to get device address from module arguments");
-        goto fail;
-    }
-    if (!(u->profile = pa_xstrdup(pa_modargs_get_value(ma, "profile", NULL)))) {
-        pa_log_error("failed to get profile from module arguments");
-        goto fail;
-    }
-    if (pa_modargs_get_value_u32(ma, "rate", &u->ss.rate) < 0) {
-        pa_log_error("failed to get rate from module arguments");
-        goto fail;
-    }
-    if (pa_modargs_get_value_u32(ma, "channels", &channels) < 0) {
-        pa_log_error("failed to get channels from module arguments");
-        goto fail;
-    }
-    u->ss.channels = (uint8_t) channels;
-
-    /* connect to the bluez audio service */
-    u->audioservice_fd = bt_audio_service_open();
-    if (u->audioservice_fd <= 0) {
-        pa_log_error("couldn't connect to bluetooth audio service");
-        goto fail;
-    }
-    pa_log_debug("connected to the bluetooth audio service");
-
-    /* queries device capabilities */
-    e = bt_getcaps(u);
-    if (e < 0) {
-        pa_log_error("failed to get device capabilities");
-        goto fail;
-    }
-    pa_log_debug("got device capabilities");
-
-    /* configures the connection */
-    e = bt_setconf(u);
-    if (e < 0) {
-        pa_log_error("failed to set config");
-        goto fail;
-    }
-    pa_log_debug("connection to the device configured");
-
-    /* gets the device socket */
-    e = bt_getstreamfd(u);
-    if (e < 0) {
-        pa_log_error("failed to get stream fd (%d)", e);
-        goto fail;
-    }
-    pa_log_debug("got the device socket");
-
-    /* create sink */
-    pa_sink_new_data_init(&data);
-    data.driver = __FILE__;
-    data.module = m;
-    pa_sink_new_data_set_name(&data, u->name);
-    pa_sink_new_data_set_sample_spec(&data, &u->ss);
-    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->name);
-    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Bluetooth %s '%s' (%s)", u->strtransport, u->name, u->addr);
-    pa_proplist_setf(data.proplist, "bluetooth.protocol", u->profile);
-    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_API, "bluez");
-    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_CLASS, "sound");
-    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_CONNECTOR, "bluetooth");
-    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_FORM_FACTOR, "headset"); /*FIXME*/
-    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_VENDOR_PRODUCT_ID, "product_id"); /*FIXME*/
-    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_SERIAL, "serial"); /*FIXME*/
-    u->sink = pa_sink_new(m->core, &data, PA_SINK_HARDWARE|PA_SINK_LATENCY);
-    pa_sink_new_data_done(&data);
-    if (!u->sink) {
-        pa_log_error("failed to create sink");
-        goto fail;
-    }
-    u->sink->userdata = u;
-    u->sink->parent.process_msg = sink_process_msg;
-    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
-    pa_sink_set_rtpoll(u->sink, u->rtpoll);
-
-    u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
-    pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
-    pollfd->fd = u->stream_fd;
-    pollfd->events = pollfd->revents = 0;
-
-    /* start rt thread */
-    if (!(u->thread = pa_thread_new(thread_func, u))) {
-        pa_log_error("failed to create IO thread");
-        goto fail;
-    }
-    pa_sink_put(u->sink);
-
-    pa_modargs_free(ma);
-    return 0;
-
-fail:
-    if (ma)
-        pa_modargs_free(ma);
-    pa__done(m);
-    return -1;
-}
-
-void pa__done(pa_module *m) {
-    struct userdata *u;
-    pa_assert(m);
-
-    if (!(u = m->userdata))
-        return;
-
-    if (u->sink)
-        pa_sink_unlink(u->sink);
-
-    if (u->thread) {
-        pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
-        pa_thread_free(u->thread);
-    }
-
-    pa_thread_mq_done(&u->thread_mq);
-
-    if (u->sink)
-        pa_sink_unref(u->sink);
-
-    if (u->rtpoll_item)
-        pa_rtpoll_item_free(u->rtpoll_item);
-
-    if (u->rtpoll)
-        pa_rtpoll_free(u->rtpoll);
-
-    if (u->memchunk.memblock)
-        pa_memblock_unref(u->memchunk.memblock);
-
-    if (u->mempool)
-        pa_mempool_free(u->mempool);
-
-    if (u->smoother)
-        pa_smoother_free(u->smoother);
-
-    if (u->name)
-        pa_xfree(u->name);
-
-    if (u->addr)
-        pa_xfree(u->addr);
-
-    if (u->profile)
-        pa_xfree(u->profile);
-
-    if (u->stream_fd >= 0)
-        pa_close(u->stream_fd);
-
-    if (u->audioservice_fd >= 0)
-        pa_close(u->audioservice_fd);
-
-    pa_xfree(u);
-}