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fix return value of snd_pcm_rewind()/snd_pcm_forward() to return how much actually has been rewound, instead of what actually could have rewound

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Make snd_pcm_plugin_rewind()/_forward() actually return how much has
been rewound/forwarded instead of how much could have been
rewounded/forwarded. This makes the code actually do what the
documentation of snd_pcm_rewind() suggests.

Signed-off-by: Lennart Poettering <lennart@poettering.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lennart Poettering 2008-07-18 21:24:38 +02:00 • committed by Takashi Iwai
parent 15769ead72
commit 8d3fb3102f
1 changed files with 2 additions and 2 deletions
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4
src/pcm/pcm_plugin.c
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@ -222,7 +222,7 @@ static snd_pcm_sframes_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t
frames = plugin->client_frames(pcm, sframes);
snd_pcm_mmap_appl_backward(pcm, (snd_pcm_uframes_t) frames);
snd_atomic_write_end(&plugin->watom);
return n;
return (snd_pcm_sframes_t) frames;
}
static snd_pcm_sframes_t snd_pcm_plugin_forwardable(snd_pcm_t *pcm)
@ -255,7 +255,7 @@ static snd_pcm_sframes_t snd_pcm_plugin_forward(snd_pcm_t *pcm, snd_pcm_uframes_
frames = plugin->client_frames(pcm, sframes);
snd_pcm_mmap_appl_forward(pcm, (snd_pcm_uframes_t) frames);
snd_atomic_write_end(&plugin->watom);
return n;
return (snd_pcm_sframes_t) frames;
}
static snd_pcm_sframes_t snd_pcm_plugin_write_areas(snd_pcm_t *pcm,