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adding OSX\usb_mixer.cpp changes from mixer tests branch to the combined usb_mixer.cpp file

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This commit is contained in:
Tom Williams
2023-02-15 13:12:28 +00:00
parent f53c1bab09
commit 495140ab8d
1 changed files with 7 additions and 5 deletions
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8
host_usb_mixer_control/usb_mixer.cpp
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@@ -308,9 +308,9 @@ static int get_num_mixer_units(const unsigned char *data, int length) {
static double dev_get_mixer_value(unsigned int mixer, unsigned int nodeId)
{
// MU_MIXER_CONTROL 0x01
short data;
usb_audio_class_get(CUR, ((unsigned char) (0x01<<8)), nodeId, usb_mixers->usb_mixer[mixer].id, 2,(unsigned char *) &data);
unsigned char cs = 0; /* Device doesnt use CS for getting/setting mixer weights */
usb_audio_class_get(CUR, cs, nodeId, usb_mixers->usb_mixer[mixer].id, 2,(unsigned char *) &data);
return ((double) data / 256);
}
@@ -1000,7 +1000,9 @@ int usb_mixer_set_value(unsigned int mixer, unsigned int nodeId, double val)
/* write to device */
short value = (short) (val * 256);
usb_audio_class_set(CUR, 1, 1<<8 | nodeId & 0xff, usb_mixers->usb_mixer[mixer].id, 2, (unsigned char *)&value);
unsigned char cs = 0; /* Device doesnt use CS for setting/getting mixer nodes */
unsigned char cn = nodeId & 0xff;
usb_audio_class_set(CUR, cs, cn, usb_mixers->usb_mixer[mixer].id, 2, (unsigned char *)&value);
}
return 0;