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Taro Watanabe <taro@cs.cmu.edu>

Browse source 
Sat, 11 Sep 1999 13:17:27 -0400
Pan1 element handling.
This commit is contained in:
Jaroslav Kysela 1999-09-13 17:33:56 +00:00
parent 12474871b6
commit f132b5dc9d
1 changed files with 25 additions and 0 deletions
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25
src/mixer/elements.c
View file

@ -50,6 +50,7 @@ int snd_mixer_element_has_info(snd_mixer_eid_t *eid)
case SND_MIXER_ETYPE_MUX1:
case SND_MIXER_ETYPE_MUX2:
case SND_MIXER_ETYPE_TONE_CONTROL1:
case SND_MIXER_ETYPE_PAN_CONTROL1:
case SND_MIXER_ETYPE_3D_EFFECT1:
case SND_MIXER_ETYPE_PRE_EFFECT1:
return 1;
@ -145,6 +146,15 @@ int snd_mixer_element_info_build(snd_mixer_t *handle, snd_mixer_element_info_t *
if ((err = snd_mixer_element_info(handle, element)) < 0)
return err;
break;
case SND_MIXER_ETYPE_PAN_CONTROL1:
element->data.pc1.range_size = element->data.pc1.range_over;
element->data.pc1.range = element->data.pc1.range_over = 0;
element->data.pc1.prange = (struct snd_mixer_element_pan_control1_range *)malloc(element->data.pc1.range_size * sizeof(struct snd_mixer_element_pan_control1_range));
if (!element->data.pc1.prange)
return -ENOMEM;
if ((err = snd_mixer_element_info(handle, element)) < 0)
return err;
break;
}
return 0;
}
@ -179,6 +189,9 @@ int snd_mixer_element_info_free(snd_mixer_element_info_t *element)
safe_free((void **)&element->data.peffect1.pitems);
safe_free((void **)&element->data.peffect1.pparameters);
break;
case SND_MIXER_ETYPE_PAN_CONTROL1:
safe_free((void **)&element->data.pc1.prange);
break;
}
return 0;
}
@ -197,6 +210,7 @@ int snd_mixer_element_has_control(snd_mixer_eid_t *eid)
case SND_MIXER_ETYPE_MUX1:
case SND_MIXER_ETYPE_MUX2:
case SND_MIXER_ETYPE_TONE_CONTROL1:
case SND_MIXER_ETYPE_PAN_CONTROL1:
case SND_MIXER_ETYPE_3D_EFFECT1:
case SND_MIXER_ETYPE_PRE_EFFECT1:
return 1;
@ -278,6 +292,15 @@ int snd_mixer_element_build(snd_mixer_t *handle, snd_mixer_element_t *element)
return err;
}
break;
case SND_MIXER_ETYPE_PAN_CONTROL1:
element->data.pc1.pan_size = element->data.pc1.pan_over;
element->data.pc1.pan = element->data.pc1.pan_over = 0;
element->data.pc1.ppan = (int *)malloc(element->data.pc1.pan_size * sizeof(int));
if (!element->data.pc1.ppan)
return -ENOMEM;
if ((err = snd_mixer_element_read(handle, element)) < 0)
return err;
break;
}
return 0;
}
@ -309,6 +332,8 @@ int snd_mixer_element_free(snd_mixer_element_t *element)
if (element->data.peffect1.item < 0)
safe_free((void **)&element->data.peffect1.pparameters);
break;
case SND_MIXER_ETYPE_PAN_CONTROL1:
safe_free((void **)&element->data.pc1.ppan);
}
return 0;
}