/* Called from I/O thread context */
static int source_process_msg_cb(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SOURCE(o)->userdata;
switch (code) {
case PA_SOURCE_MESSAGE_GET_LATENCY:
/* The source is _put() before the source output is, so let's
* make sure we don't access it in that time. Also, the
* source output is first shut down, the source second. */
if (!PA_SOURCE_IS_LINKED(u->source->thread_info.state) ||
!PA_SOURCE_OUTPUT_IS_LINKED(u->source_output->thread_info.state)) {
*((pa_usec_t*) data) = 0;
return 0;
}
*((pa_usec_t*) data) =
/* Get the latency of the master source */
pa_source_get_latency_within_thread(u->source_output->source) +
/* Add the latency internal to our source output on top */
pa_bytes_to_usec(pa_memblockq_get_length(u->source_output->thread_info.delay_memblockq), &u->source_output->source->sample_spec);
return 0;
}
return pa_source_process_msg(o, code, data, offset, chunk);
}
static void do_read(struct userdata *u) {
uint32_t free_frags;
pa_memchunk memchunk;
WAVEHDR *hdr;
MMRESULT res;
void *p;
if (!u->source)
return;
if (!PA_SOURCE_IS_LINKED(u->source->state))
return;
EnterCriticalSection(&u->crit);
free_frags = u->free_ifrags;
u->free_ifrags = 0;
LeaveCriticalSection(&u->crit);
if (free_frags == u->fragments)
pa_log_debug("WaveIn overflow!");
while (free_frags) {
hdr = &u->ihdrs[u->cur_ihdr];
if (hdr->dwFlags & WHDR_PREPARED)
waveInUnprepareHeader(u->hwi, hdr, sizeof(WAVEHDR));
if (hdr->dwBytesRecorded) {
memchunk.memblock = pa_memblock_new(u->core->mempool, hdr->dwBytesRecorded);
pa_assert(memchunk.memblock);
p = pa_memblock_acquire(memchunk.memblock);
memcpy((char*) p, hdr->lpData, hdr->dwBytesRecorded);
pa_memblock_release(memchunk.memblock);
memchunk.length = hdr->dwBytesRecorded;
memchunk.index = 0;
pa_source_post(u->source, &memchunk);
pa_memblock_unref(memchunk.memblock);
}
res = waveInPrepareHeader(u->hwi, hdr, sizeof(WAVEHDR));
if (res != MMSYSERR_NOERROR)
pa_log_error("Unable to prepare waveIn block: %d", res);
res = waveInAddBuffer(u->hwi, hdr, sizeof(WAVEHDR));
if (res != MMSYSERR_NOERROR)
pa_log_error("Unable to add waveIn block: %d", res);
free_frags--;
u->cur_ihdr++;
u->cur_ihdr %= u->fragments;
}
}
/* Called from main context */
static int source_set_state_cb(pa_source *s, pa_source_state_t state) {
struct userdata *u;
pa_source_assert_ref(s);
pa_assert_se(u = s->userdata);
if (!PA_SOURCE_IS_LINKED(state) ||
!PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_get_state(u->source_output)))
return 0;
pa_source_output_cork(u->source_output, state == PA_SOURCE_SUSPENDED);
return 0;
}
/* Called from main context */
static void source_get_mute_cb(pa_source *s) {
struct userdata *u;
pa_source_assert_ref(s);
pa_assert_se(u = s->userdata);
if (!PA_SOURCE_IS_LINKED(pa_source_get_state(s)) ||
!PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_get_state(u->source_output)))
return;
/* FIXME, no volume control in source_output, get the info from the master */
pa_source_get_mute(u->source_output->source, TRUE);
}
/* Called from I/O thread context */
static void source_update_requested_latency_cb(pa_source *s) {
struct userdata *u;
pa_source_assert_ref(s);
pa_assert_se(u = s->userdata);
if (!PA_SOURCE_IS_LINKED(u->source->thread_info.state) ||
!PA_SOURCE_OUTPUT_IS_LINKED(u->source_output->thread_info.state))
return;
/* Just hand this one over to the master source */
pa_source_output_set_requested_latency_within_thread(
u->source_output,
pa_source_get_requested_latency_within_thread(s));
}
static void
sink_subscribe_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t idx,
void *userdata)
{
struct userdata *u = (struct userdata *)userdata;
if (t == PA_SUBSCRIPTION_EVENT_CHANGE)
{
pa_sink *sink = PA_SINK(pa_idxset_get_by_index(c->sinks, idx));
if (sink)
{
if (u->master_sink == sink)
{
const pa_cvolume *vol = pa_sink_get_volume(sink, 0, 0);
int aep_step;
u->linear_q15_master_volume_L = lrint(pa_sw_volume_to_linear(vol->values[0]) * 32767.0);
if (vol->channels == 1)
u->linear_q15_master_volume_R = lrint(pa_sw_volume_to_linear(vol->values[0]) * 32767.0);
else
u->linear_q15_master_volume_R = lrint(pa_sw_volume_to_linear(vol->values[1]) * 32767.0);
aep_step = voice_pa_vol_to_aep_step(u, vol->values[0]);
if (voice_cmt_ul_is_active_iothread(u) ||
(u->voip_source && PA_SOURCE_IS_LINKED(u->voip_source->state) && pa_source_used_by(u->voip_source)))
{
if (aep_step <= 0)
{
voice_update_aep_volume(0);
voice_update_sidetone_gain(0);
}
else
{
voice_update_aep_volume(aep_step - 1);
voice_update_sidetone_gain(aep_step - 1);
}
}
xprot_change_volume(u->xprot, u->linear_q15_master_volume_L, u->linear_q15_master_volume_R);
}
}
}
}
static void source_get_volume_cb(pa_source *s) {
struct userdata *u;
pa_source_assert_ref(s);
pa_assert_se(u = s->userdata);
if (!PA_SOURCE_IS_LINKED(pa_source_get_state(s)) ||
!PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_get_state(u->source_output)))
return;
/* FIXME, no volume control in source_output, get the info from the master */
pa_source_get_volume(u->source_output->source, TRUE);
if (pa_cvolume_equal(&s->volume,&u->source_output->source->volume))
/* no change */
return;
s->volume = u->source_output->source->volume;
pa_source_set_soft_volume(s, NULL);
}
/* Called from main context */
int pa_source_output_new(
pa_source_output**_o,
pa_core *core,
pa_source_output_new_data *data) {
pa_source_output *o;
pa_resampler *resampler = NULL;
char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
int r;
char *pt;
pa_assert(_o);
pa_assert(core);
pa_assert(data);
pa_assert_ctl_context();
if (data->client)
pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->client->proplist);
if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], data)) < 0)
return r;
pa_return_val_if_fail(!data->driver || pa_utf8_valid(data->driver), -PA_ERR_INVALID);
if (!data->source) {
data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE);
data->save_source = FALSE;
}
pa_return_val_if_fail(data->source, -PA_ERR_NOENTITY);
pa_return_val_if_fail(PA_SOURCE_IS_LINKED(pa_source_get_state(data->source)), -PA_ERR_BADSTATE);
pa_return_val_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of, -PA_ERR_INVALID);
if (!data->sample_spec_is_set)
data->sample_spec = data->source->sample_spec;
pa_return_val_if_fail(pa_sample_spec_valid(&data->sample_spec), -PA_ERR_INVALID);
if (!data->channel_map_is_set) {
if (pa_channel_map_compatible(&data->source->channel_map, &data->sample_spec))
data->channel_map = data->source->channel_map;
else
pa_channel_map_init_extend(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
}
pa_return_val_if_fail(pa_channel_map_valid(&data->channel_map), -PA_ERR_INVALID);
pa_return_val_if_fail(pa_channel_map_compatible(&data->channel_map, &data->sample_spec), -PA_ERR_INVALID);
if (data->flags & PA_SOURCE_OUTPUT_FIX_FORMAT)
data->sample_spec.format = data->source->sample_spec.format;
if (data->flags & PA_SOURCE_OUTPUT_FIX_RATE)
data->sample_spec.rate = data->source->sample_spec.rate;
if (data->flags & PA_SOURCE_OUTPUT_FIX_CHANNELS) {
data->sample_spec.channels = data->source->sample_spec.channels;
data->channel_map = data->source->channel_map;
}
pa_assert(pa_sample_spec_valid(&data->sample_spec));
pa_assert(pa_channel_map_valid(&data->channel_map));
if (data->resample_method == PA_RESAMPLER_INVALID)
data->resample_method = core->resample_method;
pa_return_val_if_fail(data->resample_method < PA_RESAMPLER_MAX, -PA_ERR_INVALID);
if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data)) < 0)
return r;
if ((data->flags & PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND) &&
pa_source_get_state(data->source) == PA_SOURCE_SUSPENDED) {
pa_log("Failed to create source output: source is suspended.");
return -PA_ERR_BADSTATE;
}
if (pa_idxset_size(data->source->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
pa_log("Failed to create source output: too many outputs per source.");
return -PA_ERR_TOOLARGE;
}
if ((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
!pa_sample_spec_equal(&data->sample_spec, &data->source->sample_spec) ||
!pa_channel_map_equal(&data->channel_map, &data->source->channel_map)) {
if (!(resampler = pa_resampler_new(
core->mempool,
&data->source->sample_spec, &data->source->channel_map,
&data->sample_spec, &data->channel_map,
data->resample_method,
((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
((data->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
(core->disable_remixing || (data->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) |
(core->disable_lfe_remixing ? PA_RESAMPLER_NO_LFE : 0)))) {
pa_log_warn("Unsupported resampling operation.");
return -PA_ERR_NOTSUPPORTED;
}
}
o = pa_msgobject_new(pa_source_output);
o->parent.parent.free = source_output_free;
o->parent.process_msg = pa_source_output_process_msg;
o->core = core;
o->state = PA_SOURCE_OUTPUT_INIT;
o->flags = data->flags;
o->proplist = pa_proplist_copy(data->proplist);
o->driver = pa_xstrdup(pa_path_get_filename(data->driver));
o->module = data->module;
o->source = data->source;
o->destination_source = data->destination_source;
o->client = data->client;
o->actual_resample_method = resampler ? pa_resampler_get_method(resampler) : PA_RESAMPLER_INVALID;
o->requested_resample_method = data->resample_method;
o->sample_spec = data->sample_spec;
o->channel_map = data->channel_map;
o->direct_on_input = data->direct_on_input;
o->save_source = data->save_source;
reset_callbacks(o);
o->userdata = NULL;
o->thread_info.state = o->state;
o->thread_info.attached = FALSE;
o->thread_info.sample_spec = o->sample_spec;
o->thread_info.resampler = resampler;
o->thread_info.requested_source_latency = (pa_usec_t) -1;
o->thread_info.direct_on_input = o->direct_on_input;
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);
pa_assert_se(pa_idxset_put(core->source_outputs, o, &o->index) == 0);
pa_assert_se(pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL) == 0);
if (o->client)
pa_assert_se(pa_idxset_put(o->client->source_outputs, o, NULL) >= 0);
if (o->direct_on_input)
pa_assert_se(pa_idxset_put(o->direct_on_input->direct_outputs, o, NULL) == 0);
pt = pa_proplist_to_string_sep(o->proplist, "\n ");
pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s\n %s",
o->index,
pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)),
o->source->name,
pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map),
pt);
pa_xfree(pt);
/* Don't forget to call pa_source_output_put! */
*_o = o;
return 0;
}