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sink-input: Provide more information to client when format is lost

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When the sink format changes and we kill the stream, clients need a way
to know (a) what device they should reconnect to, and (b) what the
stream running time was when the stream got killed (pa_stream_get_time()
won't work after the stream has been killed). This adds these two bits
of information in the event callback's proplist parameter.
This commit is contained in:
Arun Raghavan 2011-04-10 16:24:33 +05:30
parent d1f13fa781
commit 62f56a9f6b
2 changed files with 13 additions and 1 deletions
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8
src/pulse/stream.c
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@ -766,6 +766,14 @@ void pa_command_stream_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
if (s->state != PA_STREAM_READY)
goto finish;
if (pa_streq(event, PA_STREAM_EVENT_FORMAT_LOST)) {
/* Let client know what the running time was when the stream had to be
* killed */
pa_usec_t time;
if (pa_stream_get_time(s, &time) == 0)
pa_proplist_setf(pl, "stream-time", "%llu", (unsigned long long) time);
}
if (s->event_callback)
s->event_callback(s, event, pl, s->event_userdata);

6
src/pulsecore/sink-input.c
View file

@ -1594,8 +1594,12 @@ int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
return -PA_ERR_NOTSUPPORTED;
if (pa_sink_input_is_passthrough(i) && !pa_sink_check_format(dest, i->format)) {
pa_proplist *p = pa_proplist_new();
pa_log_debug("New sink doesn't support stream format, sending format-changed and killing");
pa_sink_input_send_event(i, PA_STREAM_EVENT_FORMAT_LOST, NULL);
/* Tell the client what device we want to be on if it is going to
* reconnect */
pa_proplist_sets(p, "device", dest->name);
pa_sink_input_send_event(i, PA_STREAM_EVENT_FORMAT_LOST, p);
return -PA_ERR_NOTSUPPORTED;
}