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minor improvement to make the clip switch safer

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4528 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jörg Hohensohn 2004-04-20 22:11:20 +00:00
parent c898a02bb4
commit c49129cacd
1 changed files with 15 additions and 10 deletions
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25
apps/talk.c
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@ -214,22 +214,27 @@ static int shutup(void)
&& (search[1] & 0x30) == (curr_hd[1] & 0x30)) /* sample rate */
{
search--; /* back to the sync byte */
break; /* From looking at it, this is a header. */
/* This is not a sufficient condition to find header, may
give "false alert" (end too early), but a good start. */
break; /* From looking at it, this is our header. */
}
}
queue_write = queue_read + 1; /* reset the queue */
if (queue_write >= QUEUE_SIZE)
queue_write = 0;
queue[queue_read].len = 0;
/* play old data until the frame end, to keep the MAS in sync */
if (search-pos)
{
{ /* play old data until the frame end, to keep the MAS in sync */
DTCR3 = search-pos;
queue_write = queue_read + 1; /* will be empty after next callback */
if (queue_write >= QUEUE_SIZE)
queue_write = 0;
queue[queue_read].len = 0; /* current one ends now */
CHCR3 |= 0x0001; /* re-enable DMA */
}
else
{ /* by chance we have played to a frame boundary */
queue_write = queue_read; /* reset the queue */
is_playing = false;
mp3_play_stop();
}
return 0;
}