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decoder_control: add function _is_current_song()

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Replaces _current_song().
This commit is contained in:
Max Kellermann
2012-08-15 17:49:23 +02:00
parent 784d666a8e
commit b5fde6dfa5
3 changed files with 42 additions and 15 deletions
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34
src/decoder_control.h
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@@ -276,21 +276,27 @@ decoder_lock_has_failed(struct decoder_control *dc)
return ret;
}
static inline const struct song *
decoder_current_song(const struct decoder_control *dc)
/**
* Check if the specified song is currently being decoded. If the
* decoder is not running currently (or being started), then this
* function returns false in any case.
*
* Caller must lock the object.
*/
gcc_pure
bool
decoder_is_current_song(const struct decoder_control *dc,
const struct song *song);
gcc_pure
static inline bool
decoder_lock_is_current_song(struct decoder_control *dc,
const struct song *song)
{
switch (dc->state) {
case DECODE_STATE_STOP:
case DECODE_STATE_ERROR:
return NULL;
case DECODE_STATE_START:
case DECODE_STATE_DECODE:
return dc->song;
}
assert(false);
return NULL;
decoder_lock(dc);
const bool result = decoder_is_current_song(dc, song);
decoder_unlock(dc);
return result;
}
/**