It sounds like a direct contradiction to me. I'm going to play this safe any only use the
close(fd);
best sample format returned by AUDIO_GETENC. If the requested format is supported we'll
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] The device's internal device format is not supported by miniaudio. The device is unusable.", MA_FORMAT_NOT_SUPPORTED);
use that, but otherwise we'll just use our standard format priorities to pick an
}
appropriate one.
*/
AUDIO_INITINFO(&fdInfo);
/* Buffer. */
/* We get the driver to do as much of the data conversion as possible. */
fdInfo.record.channels = ma_clamp(pDescriptor->channels, 1, 12); /* From the documentation: `channels` ranges from 1 to 12. */
}
if (pDescriptor->sampleRate != 0) {
fdInfo.record.sample_rate = ma_clamp(pDescriptor->sampleRate, 1000, 192000); /* From the documentation: `frequency` ranges from 1000Hz to 192000Hz. (They mean `sample_rate` instead of `frequency`.) */
fdInfo.play.sample_rate = ma_clamp(pDescriptor->sampleRate, 1000, 192000); /* From the documentation: `frequency` ranges from 1000Hz to 192000Hz. (They mean `sample_rate` instead of `frequency`.) */
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] Failed to set internal buffer size. AUDIO_SETINFO failed.", MA_FORMAT_NOT_SUPPORTED);
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] The device's internal device format is not supported by miniaudio. The device is unusable.", MA_FORMAT_NOT_SUPPORTED);
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] The device's internal device format is not supported by miniaudio. The device is unusable.", MA_FORMAT_NOT_SUPPORTED);
internalPeriodSizeInBytes = 16;
}
}
/* Buffer. */
internalPeriods = pDescriptor->periodCount;
{
if (internalPeriods < 2) {
ma_uint32 internalPeriodSizeInBytes;
internalPeriods = 2;
}
/* What miniaudio calls a period, audio4 calls a block. */
AUDIO_INITINFO(&fdInfo);
fdInfo.hiwat = internalPeriods;
fdInfo.lowat = internalPeriods-1;
fdInfo.blocksize = internalPeriodSizeInBytes;
if (ioctl(fd, AUDIO_SETINFO, &fdInfo) < 0) {
close(fd);
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] Failed to set internal buffer size. AUDIO_SETINFO failed.", MA_FORMAT_NOT_SUPPORTED);
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] Failed to set device parameters.", MA_FORMAT_NOT_SUPPORTED);
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] The device's internal device format is not supported by miniaudio. The device is unusable.", MA_FORMAT_NOT_SUPPORTED);
}
}
if (ioctl(fd, AUDIO_GETPAR, &fdPar) < 0) {
/* Buffer. */
close(fd);
{
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[audio4] Failed to retrieve actual device parameters.", MA_FORMAT_NOT_SUPPORTED);
/* Convert capture data from device format to client format. */
result = ma_data_converter_process_pcm_frames(&pDevice->capture.converter, pRunningCapturedDeviceFrames, &capturedDeviceFramesToProcessThisIteration, capturedClientData, &capturedClientFramesToProcessThisIteration);
if (result != MA_SUCCESS) {
break;
}
/*
If we weren't able to generate any output frames it must mean we've exhaused all of our input. The only time this would not be the case is if capturedClientData was too small
which should never be the case when it's of the size MA_DATA_CONVERTER_STACK_BUFFER_SIZE.
*/
if (capturedClientFramesToProcessThisIteration == 0) {
