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pipe: add helper function music_pipe_empty()

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This commit is contained in:
Max Kellermann 2010-11-05 18:34:06 +01:00
parent 32d10eedbd
commit c594afeee7
3 changed files with 10 additions and 4 deletions
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4
src/output_all.c
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@ -266,7 +266,7 @@ audio_output_all_open(const struct audio_format *audio_format,
else
/* if the pipe hasn't been cleared, the the audio
format must not have changed */
assert(music_pipe_size(g_mp) == 0 ||
assert(music_pipe_empty(g_mp) ||
audio_format_equals(audio_format,
&input_audio_format));
@ -378,7 +378,7 @@ audio_output_all_check(void)
assert(g_mp != NULL);
while ((chunk = music_pipe_peek(g_mp)) != NULL) {
assert(music_pipe_size(g_mp) > 0);
assert(!music_pipe_empty(g_mp));
if (!chunk_is_consumed(chunk))
/* at least one output is not finished playing

6
src/pipe.h
View File

@ -99,4 +99,10 @@ music_pipe_push(struct music_pipe *mp, struct music_chunk *chunk);
unsigned
music_pipe_size(const struct music_pipe *mp);
static inline bool
music_pipe_empty(const struct music_pipe *mp)
{
return music_pipe_size(mp) == 0;
}
#endif

4
src/player_thread.c
View File

@ -736,7 +736,7 @@ static void do_play(void)
if (player.paused)
notify_wait(&pc.notify);
else if (music_pipe_size(player.pipe) > 0) {
else if (!music_pipe_empty(player.pipe)) {
/* at least one music chunk is ready - send it
to the audio output */
@ -757,7 +757,7 @@ static void do_play(void)
/* check the size of the pipe again, because
the decoder thread may have added something
since we last checked */
if (music_pipe_size(player.pipe) == 0)
if (music_pipe_empty(player.pipe))
break;
} else {
/* the decoder is too busy and hasn't provided