decoder/dsf: make the buffer more local

This allows the compiler to discard buffer contents between two iterations.

decoder/dsf: make the buffer more local
b1fb09e1 · Max Kellermann · cd0082c6 · b1fb09e1
Commit b1fb09e1 authored Aug 23, 2014 by Max Kellermann
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DsfDecoderPlugin.cxx src/decoder/plugins/DsfDecoderPlugin.cxx +2 -3

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--- a/src/decoder/plugins/DsfDecoderPlugin.cxx
+++ b/src/decoder/plugins/DsfDecoderPlugin.cxx
@@ -252,12 +252,11 @@ dsf_decode_chunk(Decoder &decoder, InputStream &is,
 		 offset_type n_blocks,
 		 bool bitreverse)
 {
-	/* worst-case buffer size */
-	uint8_t buffer[MAX_CHANNELS * DSF_BLOCK_SIZE];
-
 	const size_t block_size = channels * DSF_BLOCK_SIZE;

 	for (offset_type i = 0; i < n_blocks;) {
+		/* worst-case buffer size */
+		uint8_t buffer[MAX_CHANNELS * DSF_BLOCK_SIZE];
 		if (!decoder_read_full(&decoder, is, buffer, block_size))
 			return false;