mirror of
https://github.com/RetroDECK/MAME.git
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29 lines
780 B
Diff
29 lines
780 B
Diff
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diff --git a/src/emu/sound.cpp b/src/emu/sound.cpp
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index a0293063..c4989abb 100644
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--- a/src/emu/sound.cpp
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+++ b/src/emu/sound.cpp
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@@ -761,6 +761,9 @@ read_stream_view sound_stream::update_view(attotime start, attotime end, u32 out
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}
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g_profiler.stop();
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+ if (!m_output_view[outputnum].valid())
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+ m_output_view[outputnum] = empty_view(start, end);
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+
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// return the requested view
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return read_stream_view(m_output_view[outputnum], start);
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}
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diff --git a/src/emu/sound.h b/src/emu/sound.h
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index 15f6a574..bfa45c45 100644
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--- a/src/emu/sound.h
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+++ b/src/emu/sound.h
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@@ -284,6 +284,9 @@ public:
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return *this;
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}
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+ // check basic constraints
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+ bool valid() const { return m_buffer != nullptr; }
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+
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// return the local gain
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sample_t gain() const { return m_gain; }
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