/* Called from main context */
static void adjust_rates(struct userdata *u) {
    size_t buffer, fs;
    uint32_t old_rate, base_rate, new_rate;
    pa_usec_t buffer_latency;

    pa_assert(u);
    pa_assert_ctl_context();

    pa_asyncmsgq_send(u->source_output->source->asyncmsgq, PA_MSGOBJECT(u->source_output), SOURCE_OUTPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
    pa_asyncmsgq_send(u->sink_input->sink->asyncmsgq, PA_MSGOBJECT(u->sink_input), SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);

    buffer =
        u->latency_snapshot.sink_input_buffer +
        u->latency_snapshot.source_output_buffer;

    if (u->latency_snapshot.recv_counter <= u->latency_snapshot.send_counter)
        buffer += (size_t) (u->latency_snapshot.send_counter - u->latency_snapshot.recv_counter);
    else
        buffer += PA_CLIP_SUB(buffer, (size_t) (u->latency_snapshot.recv_counter - u->latency_snapshot.send_counter));

    buffer_latency = pa_bytes_to_usec(buffer, &u->sink_input->sample_spec);

    pa_log_debug("Loopback overall latency is %0.2f ms + %0.2f ms + %0.2f ms = %0.2f ms",
                (double) u->latency_snapshot.sink_latency / PA_USEC_PER_MSEC,
                (double) buffer_latency / PA_USEC_PER_MSEC,
                (double) u->latency_snapshot.source_latency / PA_USEC_PER_MSEC,
                ((double) u->latency_snapshot.sink_latency + buffer_latency + u->latency_snapshot.source_latency) / PA_USEC_PER_MSEC);

    pa_log_debug("Should buffer %zu bytes, buffered at minimum %zu bytes",
                u->latency_snapshot.max_request*2,
                u->latency_snapshot.min_memblockq_length);

    fs = pa_frame_size(&u->sink_input->sample_spec);
    old_rate = u->sink_input->sample_spec.rate;
    base_rate = u->source_output->sample_spec.rate;

    if (u->latency_snapshot.min_memblockq_length < u->latency_snapshot.max_request*2)
        new_rate = base_rate - (((u->latency_snapshot.max_request*2 - u->latency_snapshot.min_memblockq_length) / fs) *PA_USEC_PER_SEC)/u->adjust_time;
    else
        new_rate = base_rate + (((u->latency_snapshot.min_memblockq_length - u->latency_snapshot.max_request*2) / fs) *PA_USEC_PER_SEC)/u->adjust_time;

    if (new_rate < (uint32_t) (base_rate*0.8) || new_rate > (uint32_t) (base_rate*1.25)) {
        pa_log_warn("Sample rates too different, not adjusting (%u vs. %u).", base_rate, new_rate);
        new_rate = base_rate;
    } else {
        if (base_rate < new_rate + 20 && new_rate < base_rate + 20)
          new_rate = base_rate;
        /* Do the adjustment in small steps; 2‰ can be considered inaudible */
        if (new_rate < (uint32_t) (old_rate*0.998) || new_rate > (uint32_t) (old_rate*1.002)) {
            pa_log_info("New rate of %u Hz not within 2‰ of %u Hz, forcing smaller adjustment", new_rate, old_rate);
            new_rate = PA_CLAMP(new_rate, (uint32_t) (old_rate*0.998), (uint32_t) (old_rate*1.002));
        }
    }

    pa_sink_input_set_rate(u->sink_input, new_rate);
    pa_log_debug("[%s] Updated sampling rate to %lu Hz.", u->sink_input->sink->name, (unsigned long) new_rate);

    pa_core_rttime_restart(u->core, u->time_event, pa_rtclock_now() + u->adjust_time);
}
コード例 #2
0
ファイル: pa_module_sink.c プロジェクト: gavv/snippets
void pa__done(pa_module *m)
{
    pa_assert(m);

    struct example_sink_userdata *u = m->userdata;
    if (!u) {
        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) {
        pa_rtpoll_free(u->rtpoll);
    }

    if (u->output_fd != -1) {
        close(u->output_fd);
    }

    pa_xfree(u);
}
コード例 #3
0
void pa__done(pa_module*m) {
    struct userdata *u;

    pa_assert(m);

    if (!(u = m->userdata))
        return;

    if (u->client)
        jack_client_close(u->client);

    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->jack_msgq)
        pa_asyncmsgq_unref(u->jack_msgq);

    if (u->rtpoll)
        pa_rtpoll_free(u->rtpoll);

    pa_xfree(u);
}
コード例 #4
0
void pa__done(pa_module *module)
{
	struct context *context;

	pa_assert(module);

	context = module->userdata;
	if (!context) return;

	if (context->sink)
	{
		pa_sink_unlink(context->sink);
	}

	if (context->thread)
	{
		pa_asyncmsgq_send(context->thread_mq.inq, NULL,
			PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
		pa_thread_free(context->thread);
	}

	pa_thread_mq_done(&context->thread_mq);

	if (context->sink)
	{
		pa_sink_unref(context->sink);
	}

	if (context->rtpoll)
	{
		pa_rtpoll_free(context->rtpoll);
	}

	pa_xfree(context);
}
コード例 #5
0
int main(int argc, char *argv[]) {
    pa_asyncmsgq *q;
    pa_thread *t;

    pa_assert_se(q = pa_asyncmsgq_new(0));

    pa_assert_se(t = pa_thread_new("test", the_thread, q));

    pa_log_info("Operation A post");
    pa_asyncmsgq_post(q, NULL, OPERATION_A, NULL, 0, NULL, NULL);

    pa_thread_yield();

    pa_log_info("Operation B post");
    pa_asyncmsgq_post(q, NULL, OPERATION_B, NULL, 0, NULL, NULL);

    pa_thread_yield();

    pa_log_info("Operation C send");
    pa_asyncmsgq_send(q, NULL, OPERATION_C, NULL, 0, NULL);

    pa_thread_yield();

    pa_log_info("Quit post");
    pa_asyncmsgq_post(q, NULL, QUIT, NULL, 0, NULL, NULL);

    pa_thread_free(t);

    pa_asyncmsgq_unref(q);

    return 0;
}
コード例 #6
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
int pa_source_output_start_move(pa_source_output *o) {
    pa_source *origin;
    int r;

    pa_source_output_assert_ref(o);
    pa_assert_ctl_context();
    pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
    pa_assert(o->source);

    if (!pa_source_output_may_move(o))
        return -PA_ERR_NOTSUPPORTED;

    if ((r = pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START], o)) < 0)
        return r;

    origin = o->source;

    pa_idxset_remove_by_data(o->source->outputs, o, NULL);

    if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
        pa_assert_se(origin->n_corked-- >= 1);

    pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);

    pa_source_update_status(o->source);
    o->source = NULL;

    pa_source_output_unref(o);

    return 0;
}
コード例 #7
0
/* Called from main context */
static void time_callback(pa_mainloop_api *a, pa_time_event *e, const struct timeval *t, void *userdata) {
    struct userdata *u = userdata;

    pa_assert(u);
    pa_assert(a);
    pa_assert(u->time_event == e);

    /* Restart timer right away */
    pa_core_rttime_restart(u->core, u->time_event, pa_rtclock_now() + u->adjust_time);

    /* Get sink and source latency snapshot */
    pa_asyncmsgq_send(u->sink_input->sink->asyncmsgq, PA_MSGOBJECT(u->sink_input), SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
    pa_asyncmsgq_send(u->source_output->source->asyncmsgq, PA_MSGOBJECT(u->source_output), SOURCE_OUTPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);

    adjust_rates(u);
}
コード例 #8
0
void pa__done(pa_module*m) {
    struct userdata *u;

    pa_assert(m);

    if (!(u = m->userdata))
        return;

    if (u->source)
        pa_source_unlink(u->source);

    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->source)
        pa_source_unref(u->source);

    if (u->memchunk.memblock)
        pa_memblock_unref(u->memchunk.memblock);

    if (u->rtpoll)
        pa_rtpoll_free(u->rtpoll);

    pa_xfree(u);
}
コード例 #9
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t usec) {
    pa_source_output_assert_ref(o);
    pa_assert_ctl_context();

    if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && o->source) {
        pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
        return usec;
    }

    /* If this source output is not realized yet or is being moved, we
     * have to touch the thread info data directly */

    if (o->source) {
        if (!(o->source->flags & PA_SOURCE_DYNAMIC_LATENCY))
            usec = pa_source_get_fixed_latency(o->source);

        if (usec != (pa_usec_t) -1) {
            pa_usec_t min_latency, max_latency;
            pa_source_get_latency_range(o->source, &min_latency, &max_latency);
            usec = PA_CLAMP(usec, min_latency, max_latency);
        }
    }

    o->thread_info.requested_source_latency = usec;

    return usec;
}
コード例 #10
0
ファイル: module-loopback.c プロジェクト: KimT/pulseaudio_kt
/* Called from main context */
static void adjust_rates(struct userdata *u) {
    size_t buffer, fs;
    uint32_t old_rate, base_rate, new_rate;
    pa_usec_t buffer_latency;

    pa_assert(u);
    pa_assert_ctl_context();

    pa_asyncmsgq_send(u->source_output->source->asyncmsgq, PA_MSGOBJECT(u->source_output), SOURCE_OUTPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
    pa_asyncmsgq_send(u->sink_input->sink->asyncmsgq, PA_MSGOBJECT(u->sink_input), SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);

    buffer =
        u->latency_snapshot.sink_input_buffer +
        u->latency_snapshot.source_output_buffer;

    if (u->latency_snapshot.recv_counter <= u->latency_snapshot.send_counter)
        buffer += (size_t) (u->latency_snapshot.send_counter - u->latency_snapshot.recv_counter);
    else
        buffer += PA_CLIP_SUB(buffer, (size_t) (u->latency_snapshot.recv_counter - u->latency_snapshot.send_counter));

    buffer_latency = pa_bytes_to_usec(buffer, &u->sink_input->sample_spec);

    pa_log_info("Loopback overall latency is %0.2f ms + %0.2f ms + %0.2f ms = %0.2f ms",
                (double) u->latency_snapshot.sink_latency / PA_USEC_PER_MSEC,
                (double) buffer_latency / PA_USEC_PER_MSEC,
                (double) u->latency_snapshot.source_latency / PA_USEC_PER_MSEC,
                ((double) u->latency_snapshot.sink_latency + buffer_latency + u->latency_snapshot.source_latency) / PA_USEC_PER_MSEC);

    pa_log_info("Should buffer %zu bytes, buffered at minimum %zu bytes",
                u->latency_snapshot.max_request*2,
                u->latency_snapshot.min_memblockq_length);

    fs = pa_frame_size(&u->sink_input->sample_spec);
    old_rate = u->sink_input->sample_spec.rate;
    base_rate = u->source_output->sample_spec.rate;

    if (u->latency_snapshot.min_memblockq_length < u->latency_snapshot.max_request*2)
        new_rate = base_rate - (((u->latency_snapshot.max_request*2 - u->latency_snapshot.min_memblockq_length) / fs) *PA_USEC_PER_SEC)/u->adjust_time;
    else
        new_rate = base_rate + (((u->latency_snapshot.min_memblockq_length - u->latency_snapshot.max_request*2) / fs) *PA_USEC_PER_SEC)/u->adjust_time;

    pa_log_info("Old rate %lu Hz, new rate %lu Hz", (unsigned long) old_rate, (unsigned long) new_rate);

    pa_sink_input_set_rate(u->sink_input, new_rate);

    pa_core_rttime_restart(u->core, u->time_event, pa_rtclock_now() + u->adjust_time);
}
コード例 #11
0
ファイル: module-solaris.c プロジェクト: Elemecca/pulseaudio
void pa__done(pa_module *m) {
    struct userdata *u;

    pa_assert(m);

    if (!(u = m->userdata))
        return;

    if (u->sig) {
        ioctl(u->fd, I_SETSIG, 0);
        pa_signal_free(u->sig);
    }

    if (u->sink)
        pa_sink_unlink(u->sink);

    if (u->source)
        pa_source_unlink(u->source);

    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->source)
        pa_source_unref(u->source);

    if (u->memchunk.memblock)
        pa_memblock_unref(u->memchunk.memblock);

    if (u->rtpoll_item)
        pa_rtpoll_item_free(u->rtpoll_item);

    if (u->rtpoll)
        pa_rtpoll_free(u->rtpoll);

    if (u->fd >= 0)
        close(u->fd);

    if (u->smoother)
        pa_smoother_free(u->smoother);

    pa_xfree(u->device_name);

    pa_xfree(u);
}
コード例 #12
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
void pa_source_output_unlink(pa_source_output*o) {
    pa_bool_t linked;
    pa_assert(o);
    pa_assert_ctl_context();

    /* See pa_sink_unlink() for a couple of comments how this function
     * works */

    pa_source_output_ref(o);

    linked = PA_SOURCE_OUTPUT_IS_LINKED(o->state);

    if (linked)
        pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], o);

    if (o->direct_on_input)
        pa_idxset_remove_by_data(o->direct_on_input->direct_outputs, o, NULL);

    pa_idxset_remove_by_data(o->core->source_outputs, o, NULL);

    if (o->source)
        if (pa_idxset_remove_by_data(o->source->outputs, o, NULL))
            pa_source_output_unref(o);

    if (o->client)
        pa_idxset_remove_by_data(o->client->source_outputs, o, NULL);

    update_n_corked(o, PA_SOURCE_OUTPUT_UNLINKED);
    o->state = PA_SOURCE_OUTPUT_UNLINKED;

    if (linked && o->source)
        if (o->source->asyncmsgq)
            pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);

    reset_callbacks(o);

    if (linked) {
        pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
        pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], o);
    }

    if (o->source) {
        pa_source_update_status(o->source);
        o->source = NULL;
    }

    pa_core_maybe_vacuum(o->core);

    pa_source_output_unref(o);
}
コード例 #13
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o) {
    pa_source_output_assert_ref(o);
    pa_assert_ctl_context();

    if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && o->source) {
        pa_usec_t usec = 0;
        pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
        return usec;
    }

    /* If this source output is not realized yet or is being moved, we
     * have to touch the thread info data directly */

    return o->thread_info.requested_source_latency;
}
コード例 #14
0
static int jack_process(jack_nframes_t nframes, void *arg) {
    struct userdata *u = arg;
    unsigned c;
    jack_nframes_t frame_time;
    pa_assert(u);

    /* We just forward the request to our other RT thread */

    for (c = 0; c < u->channels; c++)
        pa_assert_se(u->buffer[c] = jack_port_get_buffer(u->port[c], nframes));

    frame_time = jack_frame_time(u->client);

    pa_assert_se(pa_asyncmsgq_send(u->jack_msgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_RENDER, &frame_time, nframes, NULL) == 0);
    return 0;
}
コード例 #15
0
ファイル: module-raop-sink.c プロジェクト: lebauce/pulseaudio
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->raw_memchunk.memblock)
        pa_memblock_unref(u->raw_memchunk.memblock);

    if (u->encoded_memchunk.memblock)
        pa_memblock_unref(u->encoded_memchunk.memblock);

    if (u->raop)
        pa_raop_client_free(u->raop);

    pa_xfree(u->read_data);
    pa_xfree(u->write_data);

    if (u->smoother)
        pa_smoother_free(u->smoother);

    if (u->fd >= 0)
        pa_close(u->fd);

    pa_xfree(u);
}
コード例 #16
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
pa_usec_t pa_source_output_get_latency(pa_source_output *o, pa_usec_t *source_latency) {
    pa_usec_t r[2] = { 0, 0 };

    pa_source_output_assert_ref(o);
    pa_assert_ctl_context();
    pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));

    pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0);

    if (o->get_latency)
        r[0] += o->get_latency(o);

    if (source_latency)
        *source_latency = r[1];

    return r[0];
}
コード例 #17
0
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);
    }

    if (u->thread_mq) {
        pa_thread_mq_done(u->thread_mq);
        pa_xfree(u->thread_mq);
    }

    if (u->thread_mainloop)
        pa_mainloop_free(u->thread_mainloop);

    if (u->cookie_file)
        pa_xfree(u->cookie_file);

    if (u->remote_sink_name)
        pa_xfree(u->remote_sink_name);

    if (u->remote_server)
        pa_xfree(u->remote_server);

    if (u->sink)
        pa_sink_unref(u->sink);
        
     if(u->transcode.encoding != -1)
         pa_transcode_free(&u->transcode);

    pa_xfree(u);
}
コード例 #18
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
static void source_output_set_state(pa_source_output *o, pa_source_output_state_t state) {
    pa_assert(o);
    pa_assert_ctl_context();

    if (o->state == state)
        return;

    pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);

    update_n_corked(o, state);
    o->state = state;

    if (state != PA_SOURCE_OUTPUT_UNLINKED) {
        pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], o);

        if (PA_SOURCE_OUTPUT_IS_LINKED(state))
            pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
    }

    pa_source_update_status(o->source);
}
コード例 #19
0
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->memchunk.memblock)
        pa_memblock_unref(u->memchunk.memblock);

    if (u->rtpoll_item)
        pa_rtpoll_item_free(u->rtpoll_item);

    if (u->rtpoll)
        pa_rtpoll_free(u->rtpoll);

    if (u->filename) {
        unlink(u->filename);
        pa_xfree(u->filename);
    }

    if (u->fd >= 0)
        pa_assert_se(pa_close(u->fd) == 0);

    pa_xfree(u);
}
コード例 #20
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
void pa_source_output_put(pa_source_output *o) {
    pa_source_output_state_t state;

    pa_source_output_assert_ref(o);
    pa_assert_ctl_context();

    pa_assert(o->state == PA_SOURCE_OUTPUT_INIT);

    /* The following fields must be initialized properly */
    pa_assert(o->push);
    pa_assert(o->kill);

    state = o->flags & PA_SOURCE_OUTPUT_START_CORKED ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING;

    update_n_corked(o, state);
    o->state = state;

    pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);

    pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
    pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], o);

    pa_source_update_status(o->source);
}
コード例 #21
0
ファイル: module-solaris.c プロジェクト: thewb/mokoiax
int pa__init(pa_module *m) {
    struct userdata *u = NULL;
    const char *p;
    int fd = -1;
    int buffer_size;
    int mode;
    int record = 1, playback = 1;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    char *t;
    struct pollfd *pollfd;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("failed to parse module arguments.");
        goto fail;
    }

    if (pa_modargs_get_value_boolean(ma, "record", &record) < 0 || pa_modargs_get_value_boolean(ma, "playback", &playback) < 0) {
        pa_log("record= and playback= expect numeric argument.");
        goto fail;
    }

    if (!playback && !record) {
        pa_log("neither playback nor record enabled for device.");
        goto fail;
    }

    mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));

    buffer_size = 16384;
    if (pa_modargs_get_value_s32(ma, "buffer_size", &buffer_size) < 0) {
        pa_log("failed to parse buffer size argument");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
        pa_log("failed to parse sample specification");
        goto fail;
    }

    if ((fd = open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), mode | O_NONBLOCK)) < 0)
        goto fail;

    pa_log_info("device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));

    if (pa_solaris_auto_format(fd, mode, &ss) < 0)
        goto fail;

    if (pa_solaris_set_buffer(fd, buffer_size) < 0)
        goto fail;

    u = pa_xmalloc(sizeof(struct userdata));
    u->core = m->core;

    u->fd = fd;

    pa_memchunk_reset(&u->memchunk);

    /* We use this to get a reasonable chunk size */
    u->page_size = PA_PAGE_SIZE;

    u->frame_size = pa_frame_size(&ss);
    u->buffer_size = buffer_size;

    u->written_bytes = 0;
    u->read_bytes = 0;

    u->module = m;
    m->userdata = u;

    pa_thread_mq_init(&u->thread_mq, m->core->mainloop);

    u->rtpoll = pa_rtpoll_new();
    pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);

    pa_rtpoll_set_timer_periodic(u->rtpoll, pa_bytes_to_usec(u->buffer_size / 10, &ss));

    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 = fd;
    pollfd->events = 0;
    pollfd->revents = 0;

    if (mode != O_WRONLY) {
        u->source = pa_source_new(m->core, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, &map);
        pa_assert(u->source);

        u->source->userdata = u;
        u->source->parent.process_msg = source_process_msg;

        pa_source_set_module(u->source, m);
        pa_source_set_description(u->source, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
        pa_xfree(t);
        pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
        pa_source_set_rtpoll(u->source, u->rtpoll);

        u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|PA_SOURCE_HW_VOLUME_CTRL;
        u->source->refresh_volume = 1;
    } else
        u->source = NULL;

    if (mode != O_RDONLY) {
        u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map);
        pa_assert(u->sink);

        u->sink->userdata = u;
        u->sink->parent.process_msg = sink_process_msg;

        pa_sink_set_module(u->sink, m);
        pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
        pa_xfree(t);
        pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
        pa_sink_set_rtpoll(u->sink, u->rtpoll);

        u->sink->flags = PA_SINK_HARDWARE|PA_SINK_LATENCY|PA_SINK_HW_VOLUME_CTRL;
        u->sink->refresh_volume = 1;
        u->sink->refresh_mute = 1;
    } else
        u->sink = NULL;

    pa_assert(u->source || u->sink);

    u->sig = pa_signal_new(SIGPOLL, sig_callback, u);
    pa_assert(u->sig);
    ioctl(u->fd, I_SETSIG, S_MSG);

    if (!(u->thread = pa_thread_new(thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }

    /* Read mixer settings */
    if (u->source)
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->source), PA_SOURCE_MESSAGE_GET_VOLUME, &u->source->volume, 0, NULL);
    if (u->sink) {
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_VOLUME, &u->sink->volume, 0, NULL);
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_MUTE, &u->sink->muted, 0, NULL);
    }

    if (u->sink)
        pa_sink_put(u->sink);
    if (u->source)
        pa_source_put(u->source);

    pa_modargs_free(ma);

    return 0;

fail:
    if (u)
        pa__done(m);
    else if (fd >= 0)
        close(fd);

    if (ma)
        pa_modargs_free(ma);

    return -1;
}
コード例 #22
0
ファイル: source-output.c プロジェクト: felfert/pulseaudio
/* Called from main context */
int pa_source_output_finish_move(pa_source_output *o, pa_source *dest, pa_bool_t save) {
    pa_resampler *new_resampler;

    pa_source_output_assert_ref(o);
    pa_assert_ctl_context();
    pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
    pa_assert(!o->source);
    pa_source_assert_ref(dest);

    if (!pa_source_output_may_move_to(o, dest))
        return -1;

    if (o->thread_info.resampler &&
        pa_sample_spec_equal(pa_resampler_input_sample_spec(o->thread_info.resampler), &dest->sample_spec) &&
        pa_channel_map_equal(pa_resampler_input_channel_map(o->thread_info.resampler), &dest->channel_map))

        /* Try to reuse the old resampler if possible */
        new_resampler = o->thread_info.resampler;

    else if ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
             !pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) ||
             !pa_channel_map_equal(&o->channel_map, &dest->channel_map)) {

        /* Okey, we need a new resampler for the new source */

        if (!(new_resampler = pa_resampler_new(
                      o->core->mempool,
                      &dest->sample_spec, &dest->channel_map,
                      &o->sample_spec, &o->channel_map,
                      o->requested_resample_method,
                      ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
                      ((o->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
                      (o->core->disable_remixing || (o->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) {
            pa_log_warn("Unsupported resampling operation.");
            return -PA_ERR_NOTSUPPORTED;
        }
    } else
        new_resampler = NULL;

    if (o->moving)
        o->moving(o, dest);

    o->source = dest;
    o->save_source = save;
    pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL);

    if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
        o->source->n_corked++;

    /* Replace resampler */
    if (new_resampler != o->thread_info.resampler) {
        if (o->thread_info.resampler)
            pa_resampler_free(o->thread_info.resampler);
        o->thread_info.resampler = new_resampler;

        pa_memblockq_free(o->thread_info.delay_memblockq);

        o->thread_info.delay_memblockq = pa_memblockq_new(
                0,
                MEMBLOCKQ_MAXLENGTH,
                0,
                pa_frame_size(&o->source->sample_spec),
                0,
                1,
                0,
                &o->source->silence);
        o->actual_resample_method = new_resampler ? pa_resampler_get_method(new_resampler) : PA_RESAMPLER_INVALID;
    }

    pa_source_update_status(dest);

    pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);

    pa_log_debug("Successfully moved source output %i to %s.", o->index, dest->name);

    /* Notify everyone */
    pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], o);
    pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);

    return 0;
}
コード例 #23
0
int pa__init(pa_module * m)
{
    struct userdata *u;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma;
    struct pollfd *pollfd;
    pa_sink_new_data data_sink;
    pa_source_new_data data_source;

    pa_assert(m);

    pa_log("vchan module loading");
    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_channel_map;
    if (pa_modargs_get_sample_spec_and_channel_map
            (ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
        pa_log
        ("Invalid sample format specification or channel map");
        goto fail;
    }

    u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    m->userdata = u;
    pa_memchunk_reset(&u->memchunk_sink);
    pa_memchunk_reset(&u->memchunk_source);
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    if ((do_conn(u)) < 0) {

        pa_log("get_early_allocated_vchan: %s",
               pa_cstrerror(errno));
        goto fail;
    }
    /* SINK preparation */
    pa_sink_new_data_init(&data_sink);
    data_sink.driver = __FILE__;
    data_sink.module = m;
    pa_sink_new_data_set_name(&data_sink,
                              pa_modargs_get_value(ma,
                                      "sink_name",
                                      DEFAULT_SINK_NAME));
    pa_proplist_sets(data_sink.proplist,
                     PA_PROP_DEVICE_STRING, DEFAULT_SINK_NAME);
    pa_proplist_setf(data_sink.proplist,
                     PA_PROP_DEVICE_DESCRIPTION,
                     "Qubes VCHAN sink");
    pa_sink_new_data_set_sample_spec(&data_sink, &ss);
    pa_sink_new_data_set_channel_map(&data_sink, &map);

    if (pa_modargs_get_proplist
            (ma, "sink_properties", data_sink.proplist, PA_UPDATE_REPLACE) < 0) {
        pa_log("Invalid properties");
        pa_sink_new_data_done(&data_sink);
        goto fail;
    }

    u->sink = pa_sink_new(m->core, &data_sink, PA_SINK_LATENCY);
    pa_sink_new_data_done(&data_sink);

    if (!u->sink) {
        pa_log("Failed to create sink.");
        goto fail;
    }

    u->sink->parent.process_msg = sink_process_msg;
    u->sink->userdata = u;

    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);
    pa_sink_set_max_request(u->sink, VCHAN_BUF);
    pa_sink_set_fixed_latency(u->sink,
                              pa_bytes_to_usec
                              (VCHAN_BUF,
                               &u->sink->sample_spec));

    u->play_rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
    pollfd = pa_rtpoll_item_get_pollfd(u->play_rtpoll_item, NULL);
    pollfd->fd = libvchan_fd_for_select(u->play_ctrl);
    pollfd->events = POLLIN;
    pollfd->revents = 0;

    /* SOURCE preparation */
    pa_source_new_data_init(&data_source);
    data_source.driver = __FILE__;
    data_source.module = m;
    pa_source_new_data_set_name(&data_source, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME));
    pa_proplist_sets(data_source.proplist, PA_PROP_DEVICE_STRING, DEFAULT_SOURCE_NAME);
    pa_proplist_setf(data_source.proplist, PA_PROP_DEVICE_DESCRIPTION, "Qubes VCHAN source");
    pa_source_new_data_set_sample_spec(&data_source, &ss);
    pa_source_new_data_set_channel_map(&data_source, &map);

    if (pa_modargs_get_proplist(ma, "source_properties", data_source.proplist, PA_UPDATE_REPLACE) < 0) {
        pa_log("Invalid properties");
        pa_source_new_data_done(&data_source);
        goto fail;
    }

    u->source = pa_source_new(m->core, &data_source, PA_SOURCE_LATENCY);
    pa_source_new_data_done(&data_source);

    if (!u->source) {
        pa_log("Failed to create source.");
        goto fail;
    }

    u->source->parent.process_msg = source_process_msg;
    u->source->userdata = u;

    pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
    pa_source_set_rtpoll(u->source, u->rtpoll);
    pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(PIPE_BUF, &u->source->sample_spec));

    u->rec_rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
    pollfd = pa_rtpoll_item_get_pollfd(u->rec_rtpoll_item, NULL);
    pollfd->fd = libvchan_fd_for_select(u->rec_ctrl);
    pollfd->events = POLLIN;
    pollfd->revents = 0;

#if PA_CHECK_VERSION(0,9,22)
    if (!(u->thread = pa_thread_new("vchan-sink", thread_func, u))) {
#else
    if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
        pa_log("Failed to create thread.");
        goto fail;
    }

    pa_sink_put(u->sink);
    pa_source_put(u->source);

    pa_modargs_free(ma);

    return 0;

fail:
    if (ma)
        pa_modargs_free(ma);

    pa__done(m);

    return -1;
}

int pa__get_n_used(pa_module * m)
{
    struct userdata *u;

    pa_assert(m);
    pa_assert_se(u = m->userdata);

    return pa_sink_linked_by(u->sink);
}

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->source)
        pa_source_unlink(u->source);

    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->source)
        pa_source_unref(u->source);

    if (u->memchunk_sink.memblock)
        pa_memblock_unref(u->memchunk_sink.memblock);

    if (u->memchunk_source.memblock)
        pa_memblock_unref(u->memchunk_source.memblock);

    if (u->play_rtpoll_item)
        pa_rtpoll_item_free(u->play_rtpoll_item);

    if (u->rec_rtpoll_item)
        pa_rtpoll_item_free(u->rec_rtpoll_item);

    if (u->rtpoll)
        pa_rtpoll_free(u->rtpoll);

    if (u->play_ctrl)
        libvchan_close(u->play_ctrl);

    if (u->rec_ctrl)
        libvchan_close(u->rec_ctrl);

    pa_xfree(u);
}
コード例 #24
0
ファイル: module-xrdp-sink.c プロジェクト: Hanchao-Wang/xrdp
int pa__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    pa_sink_new_data data;
    size_t nbytes;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_channel_map;
    if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map,
                         PA_CHANNEL_MAP_DEFAULT) < 0) {
        pa_log("Invalid sample format specification or channel map");
        goto fail;
    }

    m->userdata = u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    pa_sink_new_data_init(&data);
    data.driver = __FILE__;
    data.module = m;
    pa_sink_new_data_set_name(&data,
          pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME));
    pa_sink_new_data_set_sample_spec(&data, &ss);
    pa_sink_new_data_set_channel_map(&data, &map);
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "xrdp sink");
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");

    if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist,
                                PA_UPDATE_REPLACE) < 0) {
        pa_log("Invalid properties");
        pa_sink_new_data_done(&data);
        goto fail;
    }

    u->sink = pa_sink_new(m->core, &data,
                          PA_SINK_LATENCY | PA_SINK_DYNAMIC_LATENCY);
    pa_sink_new_data_done(&data);

    if (!u->sink) {
        pa_log("Failed to create sink object.");
        goto fail;
    }

    u->sink->parent.process_msg = sink_process_msg;
    u->sink->update_requested_latency = sink_update_requested_latency_cb;
    u->sink->userdata = u;

    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    u->block_usec = BLOCK_USEC;
    pa_log_debug("3 block_usec %d", u->block_usec);
    nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
    pa_sink_set_max_rewind(u->sink, nbytes);
    pa_sink_set_max_request(u->sink, nbytes);

    u->display_num = get_display_num_from_display(getenv("DISPLAY"));

#if defined(PA_CHECK_VERSION)
#if PA_CHECK_VERSION(0, 9, 22)
    if (!(u->thread = pa_thread_new("xrdp-sink", thread_func, u))) {
#else
    if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
#else
    if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
        pa_log("Failed to create 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;
}

int pa__get_n_used(pa_module *m) {
    struct userdata *u;

    pa_assert(m);
    pa_assert_se(u = m->userdata);

    return pa_sink_linked_by(u->sink);
}

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) {
        pa_rtpoll_free(u->rtpoll);
    }

    pa_xfree(u);
}
コード例 #25
0
ファイル: droid-source.c プロジェクト: morphis/pulseaudio
pa_source *pa_droid_source_new(pa_module *m,
                                 pa_modargs *ma,
                                 const char *driver,
                                 pa_droid_card_data *card_data,
                                 pa_droid_mapping *am,
                                 pa_card *card) {

    struct userdata *u = NULL;
    char *thread_name = NULL;
    pa_source_new_data data;
    const char *module_id = NULL;
    /* const char *tmp; */
    uint32_t sample_rate;
    uint32_t alternate_sample_rate;
    audio_devices_t dev_in;
    pa_sample_spec sample_spec;
    pa_channel_map channel_map;
    bool namereg_fail = false;
    pa_droid_config_audio *config = NULL; /* Only used when source is created without card */
    uint32_t source_buffer = 0;
    char audio_source[32];
    int ret;

    audio_format_t hal_audio_format = 0;
    audio_channel_mask_t hal_channel_mask = 0;

    pa_assert(m);
    pa_assert(ma);
    pa_assert(driver);

    /* When running under card use hw module name for source by default. */
    if (card && ma)
        module_id = am->input->module->name;
    else
        module_id = pa_modargs_get_value(ma, "module_id", DEFAULT_MODULE_ID);

    sample_spec = m->core->default_sample_spec;
    channel_map = m->core->default_channel_map;

    if (pa_modargs_get_sample_spec_and_channel_map(ma, &sample_spec, &channel_map, PA_CHANNEL_MAP_AIFF) < 0) {
        pa_log("Failed to parse sample specification and channel map.");
        goto fail;
    }

    alternate_sample_rate = m->core->alternate_sample_rate;
    if (pa_modargs_get_alternate_sample_rate(ma, &alternate_sample_rate) < 0) {
        pa_log("Failed to parse alternate sample rate.");
        goto fail;
    }

    if (pa_modargs_get_value_u32(ma, "source_buffer", &source_buffer) < 0) {
        pa_log("Failed to parse source_buffer. Needs to be integer >= 0.");
        goto fail;
    }

    u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    u->card = card;
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    /* Enabled routing changes by default. */
    u->routing_changes_enabled = true;

    if (card_data) {
        pa_assert(card);
        u->card_data = card_data;
        pa_assert_se((u->hw_module = pa_droid_hw_module_get(u->core, NULL, card_data->module_id)));
    } else {
        /* Stand-alone source */

        if (!(config = pa_droid_config_load(ma)))
            goto fail;

        /* Ownership of config transfers to hw_module if opening of hw module succeeds. */
        if (!(u->hw_module = pa_droid_hw_module_get(u->core, config, module_id)))
            goto fail;
    }

    if (!pa_convert_format(sample_spec.format, CONV_FROM_PA, &hal_audio_format)) {
        pa_log("Sample spec format %u not supported.", sample_spec.format);
        goto fail;
    }

    for (int i = 0; i < channel_map.channels; i++) {
        audio_channel_mask_t c;
        if (!pa_convert_input_channel(channel_map.map[i], CONV_FROM_PA, &c)) {
            pa_log("Failed to convert channel map.");
            goto fail;
        }
        hal_channel_mask |= c;
    }

    struct audio_config config_in = {
        .sample_rate = sample_spec.rate,
        .channel_mask = hal_channel_mask,
        .format = hal_audio_format
    };

    /* Default routing */
    /* FIXME So while setting routing through stream with HALv2 API fails, creation of stream
     * requires HALv2 style device to work properly. So until that oddity is resolved we always
     * set AUDIO_DEVICE_IN_BUILTIN_MIC as initial device here. */
#if 0
    pa_assert_se(pa_string_convert_input_device_str_to_num("AUDIO_DEVICE_IN_BUILTIN_MIC", &dev_in));

    if ((tmp = pa_modargs_get_value(ma, "input_devices", NULL))) {
        audio_devices_t tmp_dev;

        if (parse_device_list(tmp, &tmp_dev) && tmp_dev)
            dev_in = tmp_dev;

        pa_log_debug("Set initial devices %s", tmp);
    }
#else
    pa_log_info("FIXME: Setting AUDIO_DEVICE_IN_BUILTIN_MIC as initial device.");
    dev_in = AUDIO_DEVICE_IN_BUILTIN_MIC;
#endif
    pa_droid_hw_module_lock(u->hw_module);
    ret = u->hw_module->device->open_input_stream(u->hw_module->device,
                                                  u->hw_module->stream_in_id,
                                                  dev_in,
                                                  &config_in,
                                                  &u->stream);
    /* On some devices the first call will fail if the config parameters are
     * not supported, but it'll automatically set the right ones, expecting
     * the caller to call it again, so let's try at least one more time */
    if (!u->stream)
        ret = u->hw_module->device->open_input_stream(u->hw_module->device,
                                                      u->hw_module->stream_in_id,
                                                      dev_in,
                                                      &config_in,
                                                      &u->stream);

    u->hw_module->stream_in_id++;
    pa_droid_hw_module_unlock(u->hw_module);

    if (ret < 0) {
        pa_log("Failed to open input stream.");
        goto fail;
    }

    if ((sample_rate = u->stream->common.get_sample_rate(&u->stream->common)) != sample_spec.rate) {
        pa_log_warn("Requested sample rate %u but got %u instead.", sample_spec.rate, sample_rate);
        sample_spec.rate = sample_rate;
    }

    u->buffer_size = u->stream->common.get_buffer_size(&u->stream->common);
    if (source_buffer) {
        if (source_buffer < u->buffer_size)
            pa_log_warn("Requested buffer size %u less than HAL reported buffer size (%u).", source_buffer, u->buffer_size);
        else if (source_buffer % u->buffer_size) {
            uint32_t trunc = (source_buffer / u->buffer_size) * u->buffer_size;
            pa_log_warn("Requested buffer size %u not multiple of HAL buffer size (%u). Using buffer size %u", source_buffer, u->buffer_size, trunc);
            u->buffer_size = trunc;
        } else {
            pa_log_info("Using requested buffer size %u.", source_buffer);
            u->buffer_size = source_buffer;
        }
    }

    pa_log_info("Created Android stream with device: %u sample rate: %u channel mask: %u format: %u buffer size: %u",
            dev_in,
            sample_rate,
            config_in.channel_mask,
            config_in.format,
            u->buffer_size);

    /* Setting audio source to MIC by default */
    pa_snprintf(audio_source, sizeof(audio_source), "%s=%u", AUDIO_PARAMETER_STREAM_INPUT_SOURCE, AUDIO_SOURCE_MIC);
    u->stream->common.set_parameters(&u->stream->common, audio_source);
    pa_log_debug("Setting audio source to AUDIO_SOURCE_MIC by default");

    pa_source_new_data_init(&data);
    data.driver = driver;
    data.module = m;
    data.card = card;

    source_set_name(ma, &data, module_id);

    /* We need to give pa_modargs_get_value_boolean() a pointer to a local
     * variable instead of using &data.namereg_fail directly, because
     * data.namereg_fail is a bitfield and taking the address of a bitfield
     * variable is impossible. */
    namereg_fail = data.namereg_fail;
    if (pa_modargs_get_value_boolean(ma, "namereg_fail", &namereg_fail) < 0) {
        pa_log("Failed to parse namereg_fail argument.");
        pa_source_new_data_done(&data);
        goto fail;
    }
    data.namereg_fail = namereg_fail;

    pa_source_new_data_set_sample_spec(&data, &sample_spec);
    pa_source_new_data_set_channel_map(&data, &channel_map);
    pa_source_new_data_set_alternate_sample_rate(&data, alternate_sample_rate);

    if (am)
        pa_droid_add_ports(data.ports, am, card);

    u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE);
    pa_source_new_data_done(&data);

    if (!u->source) {
        pa_log("Failed to create source.");
        goto fail;
    }

    u->source->userdata = u;

    u->source->parent.process_msg = source_process_msg;

    source_set_mute_control(u);

    u->source->set_port = source_set_port_cb;

    pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
    pa_source_set_rtpoll(u->source, u->rtpoll);

    /* Disable rewind for droid source */
    pa_source_set_max_rewind(u->source, 0);

    thread_name = pa_sprintf_malloc("droid-source-%s", module_id);
    if (!(u->thread = pa_thread_new(thread_name, thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }
    pa_xfree(thread_name);
    thread_name = NULL;

    pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &sample_spec));
    pa_log_debug("Set fixed latency %" PRIu64 " usec", pa_bytes_to_usec(u->buffer_size, &sample_spec));

    if (u->source->active_port)
        source_set_port_cb(u->source, u->source->active_port);

    pa_source_put(u->source);

    return u->source;

fail:
    pa_xfree(thread_name);

    if (config)
        pa_xfree(config);

    if (u)
        userdata_free(u);

    return NULL;
}

void pa_droid_source_free(pa_source *s) {
    struct userdata *u;

    pa_source_assert_ref(s);
    pa_assert_se(u = s->userdata);

    userdata_free(u);
}

static void userdata_free(struct userdata *u) {

    if (u->source)
        pa_source_unlink(u->source);

    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->source)
        pa_source_unref(u->source);

    if (u->memchunk.memblock)
        pa_memblock_unref(u->memchunk.memblock);

    if (u->hw_module && u->stream) {
        pa_droid_hw_module_lock(u->hw_module);
        u->hw_module->device->close_input_stream(u->hw_module->device, u->stream);
        pa_droid_hw_module_unlock(u->hw_module);
    }

    // Stand alone source
    if (u->hw_module)
        pa_droid_hw_module_unref(u->hw_module);

    pa_xfree(u);
}
コード例 #26
0
int pa_sink_input_ext_set_volume_limit(struct pa_sink_input *sinp,
                                       pa_volume_t limit)
{
    pa_sink     *sink;
    int          retval;
    uint64_t     limit64;
    pa_volume_t  value;
    pa_cvolume  *factor;
    pa_cvolume  *real;
    int          changed;
    int          i;

    pa_assert(sinp);
    pa_assert_se((sink = sinp->sink));

    retval = 0;

    if (limit == 0)
        pa_sink_input_set_mute(sinp, TRUE, TRUE);
    else {
        pa_sink_input_set_mute(sinp, FALSE, TRUE);

        if (limit > PA_VOLUME_NORM)
            limit = PA_VOLUME_NORM;

        factor  = &sinp->volume_factor;
        real    = &sinp->real_ratio;
        limit64 = (uint64_t)limit * (uint64_t)PA_VOLUME_NORM;
        changed = FALSE;

        if (real->channels != factor->channels) {
            pa_log_debug("channel number mismatch");
            retval = -1;
        }
        else {
            for (i = 0;   i < factor->channels;   i++) {
                if (limit < real->values[i])
                    value = limit64 / (uint64_t)real->values[i];
                else
                    value = PA_VOLUME_NORM;

                if (value != factor->values[i]) {
                    changed = 1;
                    factor->values[i] = value;
                }
            }

            if (changed) {
                if (pa_sink_flat_volume_enabled(sink))
                    retval = 1;
                else {
                    pa_sw_cvolume_multiply(&sinp->soft_volume, real, factor);
                    pa_asyncmsgq_send(sink->asyncmsgq, PA_MSGOBJECT(sinp),
                                      PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME,
                                      NULL, 0, NULL);
                }
            }
        }
    }

    return retval;
}