X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=core%2Fmixer%2Faudio%2Faudio_util.h;h=0cbebc3d1dbfc27158b33c3ce63eb9e00e9f427e;hb=34420e565fdeb9b862d59835c212f44ebdda8d5b;hp=4f45efa42d9a11fc38e7d5b72e1bdc0832e7c432;hpb=000645b1ecced3a77a4e2f4858c03e2fbb8bc95b;p=casparcg

diff --git a/core/mixer/audio/audio_util.h b/core/mixer/audio/audio_util.h
index 4f45efa42..0cbebc3d1 100644
--- a/core/mixer/audio/audio_util.h
+++ b/core/mixer/audio/audio_util.h
@@ -19,4 +19,16 @@ static std::vector<int16_t> audio_32_to_16(const boost::iterator_range<int32_t*>
 	return audio16;
 }
 
+static std::vector<int8_t> audio_32_to_24(const boost::iterator_range<int32_t*>& input)
+{	
+	std::vector<int8_t> audio24(input.size()*3+16);
+	auto audio32_ptr = reinterpret_cast<const uint32_t*>(input.begin());
+	auto audio24_ptr = reinterpret_cast<uint8_t*>(audio24.data());
+	auto size		 = input.size();
+	for(int n = 0; n < size; ++n)		
+		*reinterpret_cast<uint32_t*>(audio24_ptr + n*3) = *(audio32_ptr + n) >> 8;	
+	audio24.resize(input.size());
+	return audio24;
+}
+
 }}
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