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wake up player on demand

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The decoder should not wake up the player when it did not produce a
flushed chunk.  Move the decoder_wakeup_player() call to
flushOutputBuffer() and invoke it only if the buffer was previously
empty.

git-svn-id: https://svn.musicpd.org/mpd/trunk@7336 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Max Kellermann 2008-04-12 04:21:00 +00:00 committed by Eric Wong
parent 91b43b481d
commit 7dc1f3117c
1 changed files with 9 additions and 1 deletions
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10
src/outputBuffer.c
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@ -55,8 +55,17 @@ static inline unsigned successor(const OutputBuffer * cb, unsigned i)
void flushOutputBuffer(OutputBuffer * cb)
{
if (cb->currentChunk == (int)cb->end) {
int was_empty = outputBufferEmpty(cb);
cb->end = successor(cb, cb->end);
cb->currentChunk = -1;
if (was_empty)
/* if the buffer was empty, the player thread
might be waiting for us; wake it up now
that another decoded buffer has become
available. */
decoder_wakeup_player();
}
}
@ -214,7 +223,6 @@ int sendDataToOutputBuffer(OutputBuffer * cb, InputStream * inStream,
flushOutputBuffer(cb);
}
}
decoder_wakeup_player();
return 0;
}