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winealsa: Make sure we can set volume before reporting WAVECAPS_VOLUME.

This commit is contained in:
Alexandre Julliard 2007-07-17 13:35:53 +02:00
parent f2fc4d3a0f
commit edff53387a
1 changed files with 16 additions and 4 deletions
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20
dlls/winealsa.drv/waveinit.c
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@ -307,10 +307,22 @@ static int ALSA_ComputeCaps(snd_ctl_t *ctl, snd_pcm_t *pcm,
/* check for volume control support */
if (ctl) {
*supports |= WAVECAPS_VOLUME;
if (chmin <= 2 && 2 <= chmax)
*supports |= WAVECAPS_LRVOLUME;
if (snd_ctl_name(ctl))
{
snd_hctl_t *hctl;
if (snd_hctl_open(&hctl, snd_ctl_name(ctl), 0) >= 0)
{
snd_hctl_load(hctl);
if (!ALSA_CheckSetVolume( hctl, NULL, NULL, NULL, NULL, NULL, NULL, NULL ))
{
*supports |= WAVECAPS_VOLUME;
if (chmin <= 2 && 2 <= chmax)
*supports |= WAVECAPS_LRVOLUME;
}
snd_hctl_free(hctl);
snd_hctl_close(hctl);
}
}
}
if (*formats & (WAVE_FORMAT_1M08 | WAVE_FORMAT_2M08 |