stream: Relax assert for extended API

For some reason this assert wasn't triggered earlier -- we shouldn't be
looking at the stream sample_spec if the formats API is used.

diff --git a/src/pulse/stream.c b/src/pulse/stream.c
index e7e3211..ec88bf1 100644 (file)
--- a/src/pulse/stream.c
+++ b/src/pulse/stream.c
@@ -1213,7 +1213,7 @@ static int create_stream(
 
     PA_CHECK_VALIDITY(s->context, direction == PA_STREAM_PLAYBACK || !(flags & (PA_STREAM_START_MUTED)), PA_ERR_INVALID);
     PA_CHECK_VALIDITY(s->context, direction == PA_STREAM_RECORD || !(flags & (PA_STREAM_PEAK_DETECT)), PA_ERR_INVALID);
-    PA_CHECK_VALIDITY(s->context, !volume || (pa_sample_spec_valid(&s->sample_spec) && volume->channels == s->sample_spec.channels), PA_ERR_INVALID);
+    PA_CHECK_VALIDITY(s->context, !volume || s->n_formats || (pa_sample_spec_valid(&s->sample_spec) && volume->channels == s->sample_spec.channels), PA_ERR_INVALID);
     PA_CHECK_VALIDITY(s->context, !sync_stream || (direction == PA_STREAM_PLAYBACK && sync_stream->direction == PA_STREAM_PLAYBACK), PA_ERR_INVALID);
     PA_CHECK_VALIDITY(s->context, (flags & (PA_STREAM_ADJUST_LATENCY|PA_STREAM_EARLY_REQUESTS)) != (PA_STREAM_ADJUST_LATENCY|PA_STREAM_EARLY_REQUESTS), PA_ERR_INVALID);