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add method availableOutputBuffer()

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The method availableOutputBuffer() calculates how many chunks are in
use.  This simplifies code which needs this information, and it can
run without knowing OutputBuffer internals.  The function knows how to
calculate this when begin>end; this might have been a bug in
decodeParent(), which does not.

git-svn-id: https://svn.musicpd.org/mpd/trunk@7250 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Max Kellermann
2008-04-12 04:11:41 +00:00
committed by Eric Wong
parent 0defe87da7
commit a7b19012d3
3 changed files with 12 additions and 2 deletions
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3
src/decode.c
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@@ -425,8 +425,7 @@ static void decodeParent(PlayerControl * pc, DecoderControl * dc, OutputBuffer *
pc->play = 0;
wakeup_main_task();
while ((unsigned)cb->end - cb->begin < bbp &&
cb->end != buffered_chunks - 1 &&
while (availableOutputBuffer(cb) < bbp &&
dc->state != DECODE_STATE_STOP) {
processDecodeInput();
player_sleep();