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Fixed a bug in interval printing. Added missing mmap functions. Added _try hw_params variant.

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This commit is contained in:
Abramo Bagnara 2000-12-30 17:20:23 +00:00
parent 6171d0fc20
commit e618ef6f00
4 changed files with 94 additions and 12 deletions
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61
src/pcm/pcm_params.c
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@ -308,6 +308,18 @@ int snd_pcm_hw_param_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
return snd_pcm_hw_param_value_min(params, var);
}
int snd_pcm_hw_param_min_try(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val)
{
snd_pcm_hw_params_t save;
int err;
save = *params;
err = snd_pcm_hw_param_min(pcm, params, var, val);
if (err < 0)
*params = save;
return err;
}
int _snd_pcm_hw_param_max(snd_pcm_hw_params_t *params, int hw,
unsigned int var, unsigned int val)
{
@ -347,6 +359,18 @@ int snd_pcm_hw_param_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
return snd_pcm_hw_param_value_max(params, var);
}
int snd_pcm_hw_param_max_try(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val)
{
snd_pcm_hw_params_t save;
int err;
save = *params;
err = snd_pcm_hw_param_max(pcm, params, var, val);
if (err < 0)
*params = save;
return err;
}
int _snd_pcm_hw_param_minmax(snd_pcm_hw_params_t *params, int hw,
unsigned int var,
unsigned int min, unsigned int max)
@ -409,6 +433,19 @@ int snd_pcm_hw_param_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
return 0;
}
int snd_pcm_hw_param_minmax_try(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var,
unsigned int min, unsigned int max)
{
snd_pcm_hw_params_t save;
int err;
save = *params;
err = snd_pcm_hw_param_minmax(pcm, params, var, min, max);
if (err < 0)
*params = save;
return err;
}
int _snd_pcm_hw_param_set(snd_pcm_hw_params_t *params, int hw,
unsigned int var, unsigned int val)
{
@ -448,6 +485,18 @@ int snd_pcm_hw_param_set(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
return snd_pcm_hw_param_value(params, var);
}
int snd_pcm_hw_param_set_try(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val)
{
snd_pcm_hw_params_t save;
int err;
save = *params;
err = snd_pcm_hw_param_set(pcm, params, var, val);
if (err < 0)
*params = save;
return err;
}
int _snd_pcm_hw_param_mask(snd_pcm_hw_params_t *params, int hw,
unsigned int var, const mask_t *val)
{
@ -484,6 +533,18 @@ int snd_pcm_hw_param_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
return 0;
}
int snd_pcm_hw_param_mask_try(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, const mask_t *val)
{
snd_pcm_hw_params_t save;
int err;
save = *params;
err = snd_pcm_hw_param_mask(pcm, params, var, val);
if (err < 0)
*params = save;
return err;
}
/* Inside configuration space defined by PARAMS set PAR to the available value
nearest to VAL. Reduce configuration space accordingly.
This function cannot be called for SND_PCM_HW_PARAM_ACCESS,