diff options
Diffstat (limited to 'src/modules/module-bt-device.c')
-rw-r--r-- | src/modules/module-bt-device.c | 173 |
1 files changed, 52 insertions, 121 deletions
diff --git a/src/modules/module-bt-device.c b/src/modules/module-bt-device.c index e6763f9b..aa67d611 100644 --- a/src/modules/module-bt-device.c +++ b/src/modules/module-bt-device.c @@ -563,119 +563,52 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse return pa_sink_process_msg(o, code, data, offset, chunk); } -static void sco_thread_func(void *userdata) { - struct userdata *u = userdata; +static int sco_process_render(struct userdata *u) { + void *p; + ssize_t l; int write_type = 0; - pa_assert(u); + 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_log_debug("SCO thread starting up"); - - pa_thread_mq_install(&u->thread_mq); - pa_rtpoll_install(u->rtpoll); + pa_assert(u->memchunk.length > 0); - pa_smoother_set_time_offset(u->smoother, pa_rtclock_usec()); + p = pa_memblock_acquire(u->memchunk.memblock); - for (;;) { - int ret; - struct pollfd *pollfd; +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); - 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) { - pa_usec_t usec; - int64_t n; - ssize_t l; - - for (;;) { - /* Render some data and write it to the fifo */ - 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); - - 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_memblock_release(u->memchunk.memblock); - pa_memblock_unref(u->memchunk.memblock); - pa_memchunk_reset(&u->memchunk); - pa_log("memchunk reseted"); - - pa_assert(l != 0); - - if (l < 0) { - if (errno == EINTR) { - pa_log_debug("EINTR"); - continue; - } - else if (errno == EAGAIN) { - pa_log_debug("EAGAIN"); - goto filled_up; - } - else { - pa_log("Failed to write data to FIFO: %s", pa_cstrerror(errno)); - goto fail; - } - } else { - u->offset += l; - pollfd->revents = 0; - } - } - -filled_up: - 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); - } + pa_assert(l != 0); - /* Hmm, nothing to do. Let's sleep */ - pa_log_debug("SCO 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("rtpoll_run < 0"); - goto fail; + if (l < 0) { + if (errno == EINTR) { + pa_log_debug("EINTR"); + goto sco_write; } - pa_log_debug("SCO thread waking up"); - - if (ret == 0) { - pa_log_debug("rtpoll_run == 0"); - goto finish; + else if (errno == EAGAIN) { + pa_log_debug("EAGAIN"); + goto sco_write; } - - pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL); - if (pollfd->revents & ~POLLOUT) { - pa_log_error("FIFO shutdown."); - goto fail; + 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; } - -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("SCO 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("SCO thread shutting down"); } static int a2dp_process_render(struct userdata *u) { @@ -764,12 +697,12 @@ avdtp_write: return 0; } -static void a2dp_thread_func(void *userdata) { +static void thread_func(void *userdata) { struct userdata *u = userdata; pa_assert(u); - pa_log_debug("A2DP Thread starting up"); + pa_log_debug("IO Thread starting up"); pa_thread_mq_install(&u->thread_mq); pa_rtpoll_install(u->rtpoll); @@ -791,8 +724,14 @@ static void a2dp_thread_func(void *userdata) { pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL); if (PA_SINK_IS_OPENED(u->sink->thread_info.state) && pollfd->revents) { - if (l = a2dp_process_render(u) < 0) - goto fail; + 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 */ @@ -808,13 +747,13 @@ static void a2dp_thread_func(void *userdata) { } /* Hmm, nothing to do. Let's sleep */ - pa_log_debug("A2DP thread going to 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("A2DP thread waking up"); + pa_log_debug("IO thread waking up"); if (ret == 0) { pa_log_debug("rtpoll_run == 0"); @@ -830,12 +769,12 @@ static void a2dp_thread_func(void *userdata) { 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("A2DP thread failed"); + 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("A2DP thread shutting down"); + pa_log_debug("IO thread shutting down"); } int pa__init(pa_module* m) { @@ -951,17 +890,9 @@ int pa__init(pa_module* m) { pollfd->events = pollfd->revents = 0; /* start rt thread */ - if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) { - if (!(u->thread = pa_thread_new(a2dp_thread_func, u))) { - pa_log_error("failed to create A2DP thread"); - goto fail; - } - } - else { - if (!(u->thread = pa_thread_new(sco_thread_func, u))) { - pa_log_error("failed to create SCO thread"); - goto fail; - } + if (!(u->thread = pa_thread_new(thread_func, u))) { + pa_log_error("failed to create IO thread"); + goto fail; } pa_sink_put(u->sink); |