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Code Issues Releases Wiki Activity

ao_alsa: Unbreak pause/resume 

Well that was dumb.
This commit is contained in:
Martin Herkt 2014-01-02 18:44:49 +01:00
parent 4083ae1de3
commit 4350a76a01
1 changed files with 10 additions and 11 deletions
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21
audio/out/ao_alsa.c
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@ -53,7 +53,6 @@ struct priv {
snd_pcm_t *alsa;
snd_pcm_format_t alsa_fmt;
int can_pause;
int can_resume;
snd_pcm_sframes_t prepause_frames;
float delay_before_pause;
int buffersize; // in frames
@ -522,7 +521,6 @@ static int init(struct ao *ao)
/* end setting sw-params */
p->can_pause = snd_pcm_hw_params_can_pause(alsa_hwparams);
p->can_resume = snd_pcm_hw_params_can_resume(alsa_hwparams);
MP_VERBOSE(ao, "opened: %d Hz/%d channels/%d bps/%d samples buffer/%s\n",
ao->samplerate, ao->channels.num, af_fmt2bits(ao->format),
@ -590,16 +588,17 @@ static void audio_resume(struct ao *ao)
while ((err = snd_pcm_resume(p->alsa)) == -EAGAIN)
sleep(1);
}
if (err < 0 || !p->can_resume) {
/* Some ALSA drivers that cannot resume playback are buggy and
fail to work even after snd_pcm_resume (or the high-level
snd_pcm_recover) indicates success, so always call
snd_pcm_prepare here. */
MP_VERBOSE(ao, "hardware does not support resume\n");
err = snd_pcm_prepare(p->alsa);
CHECK_ALSA_ERROR("pcm prepare error");
}
if (p->can_pause) {
err = snd_pcm_pause(p->alsa, 0);
CHECK_ALSA_ERROR("pcm resume error");
} else {
MP_VERBOSE(ao, "resume not supported by hardware\n");
err = snd_pcm_prepare(p->alsa);
CHECK_ALSA_ERROR("pcm prepare error");
if (p->prepause_frames)
ao_play_silence(ao, p->prepause_frames);
}
alsa_error: ;