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pulse: ask for timing updates both *before* and *after* triggering a stream state change so that in the STARTED/UNDERFLOW callbacks we accurate transport latency information

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This commit is contained in:
Lennart Poettering 2009-11-20 19:55:47 +01:00
parent f05ae357b6
commit ba95b1939d
1 changed files with 36 additions and 2 deletions
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38
src/pulse/stream.c
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@ -1482,6 +1482,11 @@ pa_operation * pa_stream_drain(pa_stream *s, pa_stream_success_cb_t cb, void *us
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE);
/* Ask for a timing update before we cork/uncork to get the best
* accuracy for the transport latency suitable for the
* check_smoother_status() call in the started callback */
request_auto_timing_update(s, TRUE);
o = pa_operation_new(s->context, s, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(s->context, PA_COMMAND_DRAIN_PLAYBACK_STREAM, &tag);
@ -1489,6 +1494,10 @@ pa_operation * pa_stream_drain(pa_stream *s, pa_stream_success_cb_t cb, void *us
pa_pstream_send_tagstruct(s->context->pstream, t);
pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
/* This might cause the read index to conitnue again, hence
* let's request a timing update */
request_auto_timing_update(s, TRUE);
return o;
}
@ -2037,6 +2046,11 @@ pa_operation* pa_stream_cork(pa_stream *s, int b, pa_stream_success_cb_t cb, voi
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE);
/* Ask for a timing update before we cork/uncork to get the best
* accuracy for the transport latency suitable for the
* check_smoother_status() call in the started callback */
request_auto_timing_update(s, TRUE);
s->corked = b;
o = pa_operation_new(s->context, s, (pa_operation_cb_t) cb, userdata);
@ -2052,8 +2066,8 @@ pa_operation* pa_stream_cork(pa_stream *s, int b, pa_stream_success_cb_t cb, voi
check_smoother_status(s, FALSE, FALSE, FALSE);
/* This might cause the indexes to hang/start again, hence
* let's request a timing update */
/* This might cause the indexes to hang/start again, hence let's
* request a timing update, after the cork/uncork, too */
request_auto_timing_update(s, TRUE);
return o;
@ -2090,6 +2104,11 @@ pa_operation* pa_stream_flush(pa_stream *s, pa_stream_success_cb_t cb, void *use
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE);
/* Ask for a timing update *before* the flush, so that the
* transport usec is as up to date as possible when we get the
* underflow message and update the smoother status*/
request_auto_timing_update(s, TRUE);
if (!(o = stream_send_simple_command(s, (uint32_t) (s->direction == PA_STREAM_PLAYBACK ? PA_COMMAND_FLUSH_PLAYBACK_STREAM : PA_COMMAND_FLUSH_RECORD_STREAM), cb, userdata)))
return NULL;
@ -2124,6 +2143,11 @@ pa_operation* pa_stream_prebuf(pa_stream *s, pa_stream_success_cb_t cb, void *us
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->buffer_attr.prebuf > 0, PA_ERR_BADSTATE);
/* Ask for a timing update before we cork/uncork to get the best
* accuracy for the transport latency suitable for the
* check_smoother_status() call in the started callback */
request_auto_timing_update(s, TRUE);
if (!(o = stream_send_simple_command(s, PA_COMMAND_PREBUF_PLAYBACK_STREAM, cb, userdata)))
return NULL;
@ -2145,6 +2169,11 @@ pa_operation* pa_stream_trigger(pa_stream *s, pa_stream_success_cb_t cb, void *u
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->buffer_attr.prebuf > 0, PA_ERR_BADSTATE);
/* Ask for a timing update before we cork/uncork to get the best
* accuracy for the transport latency suitable for the
* check_smoother_status() call in the started callback */
request_auto_timing_update(s, TRUE);
if (!(o = stream_send_simple_command(s, PA_COMMAND_TRIGGER_PLAYBACK_STREAM, cb, userdata)))
return NULL;
@ -2396,6 +2425,11 @@ pa_operation* pa_stream_set_buffer_attr(pa_stream *s, const pa_buffer_attr *attr
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->context->version >= 12, PA_ERR_NOTSUPPORTED);
/* Ask for a timing update before we cork/uncork to get the best
* accuracy for the transport latency suitable for the
* check_smoother_status() call in the started callback */
request_auto_timing_update(s, TRUE);
o = pa_operation_new(s->context, s, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(