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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
Merge A2DP and SCO thread functions
This commit is contained in:
João Paulo Rechi Vita
Lennart Poettering
parent
199bdf2f45
commit
8769bf455f
1 changed files with 52 additions and 121 deletions
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@ -563,119 +563,52 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
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return pa_sink_process_msg(o, code, data, offset, chunk);
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}
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static void sco_thread_func(void *userdata) {
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struct userdata *u = userdata;
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static int sco_process_render(struct userdata *u) {
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void *p;
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ssize_t l;
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int write_type = 0;
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pa_assert(u);
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u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
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pa_log_debug("memblock asked size %d", u->block_size);
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u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
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pa_log_debug("memchunk length %d", u->memchunk.length);
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pa_sink_render_into_full(u->sink, &u->memchunk);
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pa_log_debug("SCO thread starting up");
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pa_assert(u->memchunk.length > 0);
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pa_thread_mq_install(&u->thread_mq);
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pa_rtpoll_install(u->rtpoll);
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p = pa_memblock_acquire(u->memchunk.memblock);
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pa_smoother_set_time_offset(u->smoother, pa_rtclock_usec());
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sco_write:
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l = pa_write(u->stream_fd, (uint8_t*) p, u->memchunk.length, &write_type);
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pa_log_debug("memblock written to socket: %d bytes", l);
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for (;;) {
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int ret;
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struct pollfd *pollfd;
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pa_assert(l != 0);
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if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
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if (u->sink->thread_info.rewind_requested) {
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pa_sink_process_rewind(u->sink, 0);
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}
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if (l < 0) {
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if (errno == EINTR) {
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pa_log_debug("EINTR");
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goto sco_write;
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}
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pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
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if (PA_SINK_IS_OPENED(u->sink->thread_info.state) && pollfd->revents) {
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pa_usec_t usec;
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int64_t n;
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ssize_t l;
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for (;;) {
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/* Render some data and write it to the fifo */
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void *p;
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u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
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pa_log_debug("memblock asked size %d", u->block_size);
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u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
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pa_log_debug("memchunk length %d", u->memchunk.length);
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pa_sink_render_into_full(u->sink, &u->memchunk);
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pa_assert(u->memchunk.length > 0);
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p = pa_memblock_acquire(u->memchunk.memblock);
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l = pa_write(u->stream_fd, (uint8_t*) p, u->memchunk.length, &write_type);
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pa_log_debug("memblock written to socket: %d bytes", l);
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pa_memblock_release(u->memchunk.memblock);
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pa_memblock_unref(u->memchunk.memblock);
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pa_memchunk_reset(&u->memchunk);
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pa_log("memchunk reseted");
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pa_assert(l != 0);
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if (l < 0) {
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if (errno == EINTR) {
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pa_log_debug("EINTR");
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continue;
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}
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else if (errno == EAGAIN) {
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pa_log_debug("EAGAIN");
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goto filled_up;
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}
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else {
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pa_log("Failed to write data to FIFO: %s", pa_cstrerror(errno));
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goto fail;
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}
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} else {
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u->offset += l;
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pollfd->revents = 0;
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}
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}
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filled_up:
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n = u->offset;
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if (ioctl(u->stream_fd, SIOCOUTQ, &l) >= 0 && l > 0)
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n -= l;
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usec = pa_bytes_to_usec(n, &u->sink->sample_spec);
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if (usec > u->latency)
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usec -= u->latency;
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else
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usec = 0;
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pa_smoother_put(u->smoother, pa_rtclock_usec(), usec);
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else if (errno == EAGAIN) {
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pa_log_debug("EAGAIN");
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goto sco_write;
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}
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/* Hmm, nothing to do. Let's sleep */
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pa_log_debug("SCO thread going to sleep");
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pollfd->events = PA_SINK_IS_OPENED(u->sink->thread_info.state) ? POLLOUT : 0;
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if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) {
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pa_log("rtpoll_run < 0");
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goto fail;
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}
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pa_log_debug("SCO thread waking up");
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if (ret == 0) {
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pa_log_debug("rtpoll_run == 0");
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goto finish;
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}
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pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
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if (pollfd->revents & ~POLLOUT) {
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pa_log_error("FIFO shutdown.");
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goto fail;
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else {
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pa_memblock_release(u->memchunk.memblock);
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pa_memblock_unref(u->memchunk.memblock);
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pa_memchunk_reset(&u->memchunk);
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pa_log_debug("memchunk reseted");
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pa_log_error("Failed to write data to FIFO: %s", pa_cstrerror(errno));
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return -1;
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}
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} else {
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pa_memblock_release(u->memchunk.memblock);
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pa_memblock_unref(u->memchunk.memblock);
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pa_memchunk_reset(&u->memchunk);
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pa_log_debug("memchunk reseted");
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u->offset += l;
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return 0;
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}
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fail:
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/* If this was no regular exit from the loop we have to continue processing messages until we receive PA_MESSAGE_SHUTDOWN */
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pa_log_debug("SCO thread failed");
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pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
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pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
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finish:
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pa_log_debug("SCO thread shutting down");
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}
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static int a2dp_process_render(struct userdata *u) {
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@ -764,12 +697,12 @@ avdtp_write:
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return 0;
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}
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static void a2dp_thread_func(void *userdata) {
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static void thread_func(void *userdata) {
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struct userdata *u = userdata;
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pa_assert(u);
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pa_log_debug("A2DP Thread starting up");
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pa_log_debug("IO Thread starting up");
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pa_thread_mq_install(&u->thread_mq);
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pa_rtpoll_install(u->rtpoll);
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@ -791,8 +724,14 @@ static void a2dp_thread_func(void *userdata) {
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pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
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if (PA_SINK_IS_OPENED(u->sink->thread_info.state) && pollfd->revents) {
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if (l = a2dp_process_render(u) < 0)
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goto fail;
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if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
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if (l = a2dp_process_render(u) < 0)
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goto fail;
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}
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else {
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if ((l = sco_process_render(u)) < 0)
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goto fail;
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}
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pollfd->revents = 0;
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/* feed the time smoother */
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@ -808,13 +747,13 @@ static void a2dp_thread_func(void *userdata) {
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}
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/* Hmm, nothing to do. Let's sleep */
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pa_log_debug("A2DP thread going to sleep");
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pa_log_debug("IO thread going to sleep");
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pollfd->events = PA_SINK_IS_OPENED(u->sink->thread_info.state) ? POLLOUT : 0;
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if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) {
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pa_log_error("rtpoll_run < 0");
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goto fail;
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}
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pa_log_debug("A2DP thread waking up");
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pa_log_debug("IO thread waking up");
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if (ret == 0) {
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pa_log_debug("rtpoll_run == 0");
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@ -830,12 +769,12 @@ static void a2dp_thread_func(void *userdata) {
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fail:
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/* If this was no regular exit from the loop we have to continue processing messages until we receive PA_MESSAGE_SHUTDOWN */
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pa_log_debug("A2DP thread failed");
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pa_log_debug("IO thread failed");
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pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
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pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
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finish:
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pa_log_debug("A2DP thread shutting down");
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pa_log_debug("IO thread shutting down");
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}
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int pa__init(pa_module* m) {
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@ -951,17 +890,9 @@ int pa__init(pa_module* m) {
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pollfd->events = pollfd->revents = 0;
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/* start rt thread */
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if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
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if (!(u->thread = pa_thread_new(a2dp_thread_func, u))) {
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pa_log_error("failed to create A2DP thread");
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goto fail;
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}
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}
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else {
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if (!(u->thread = pa_thread_new(sco_thread_func, u))) {
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pa_log_error("failed to create SCO thread");
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goto fail;
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}
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if (!(u->thread = pa_thread_new(thread_func, u))) {
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pa_log_error("failed to create IO thread");
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goto fail;
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}
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pa_sink_put(u->sink);
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