media-add-ons/opensound/OpenSoundDeviceEngine.cpp

27 OpenSoundDeviceEngine::OpenSoundDeviceEngine(oss_audioinfo *info)
37 	memcpy(&fAudioInfo, info, sizeof(oss_audioinfo));
42 	SetFormat(OpenSoundDevice::select_oss_format(info->oformats));
43 	SetChannels(info->max_channels);
44 	SetSpeed(info->max_rate);
266 size_t OpenSoundDeviceEngine::GetISpace(audio_buf_info *info)
270 	if (!info)
271 		info = &abinfo;
272 	memset(info, 0, sizeof(audio_buf_info));
275 	if (ioctl(fFD, SNDCTL_DSP_GETISPACE, info, sizeof(audio_buf_info)) < 0) {
280 	//PRINT(("OpenSoundDeviceEngine::%s: ISPACE: { bytes=%d, fragments=%d, fragsize=%d, fragstotal=%d }\n", __FUNCTION__, info->bytes, info->fragments, info->fragsize, info->fragstotal));
281 	return info->bytes;
285 size_t OpenSoundDeviceEngine::GetOSpace(audio_buf_info *info)
289 	if (!info)
290 		info = &abinfo;
291 	memset(info, 0, sizeof(audio_buf_info));
294 	if (ioctl(fFD, SNDCTL_DSP_GETOSPACE, info, sizeof(audio_buf_info)) < 0) {
299 	//PRINT(("OpenSoundDeviceEngine::%s: OSPACE: { bytes=%d, fragments=%d, fragsize=%d, fragstotal=%d }\n", __FUNCTION__, info->bytes, info->fragments, info->fragsize, info->fragstotal));
300 	return info->bytes;
305 OpenSoundDeviceEngine::GetCurrentIPtr(int32 *fifoed, oss_count_t *info)
310 	if (!info)
311 		info = &ocount;
312 	memset(info, 0, sizeof(oss_count_t));
315 	if (ioctl(fFD, SNDCTL_DSP_CURRENT_IPTR, info, sizeof(oss_count_t)) < 0) {
326 		info->samples = cinfo.bytes / (fMediaFormat.u.raw_audio.channel_count
328 		info->fifo_samples = 0;
330 	PRINT(("OpenSoundDeviceEngine::%s: IPTR: { samples=%lld, fifo_samples=%d }\n", __FUNCTION__, info->samples, info->fifo_samples));
332 		*fifoed = info->fifo_samples;
333 	return info->samples;
348 	oss_count_t info;
349 	memset(&info, 0, sizeof(oss_count_t));
351 	if (ioctl(fFD, SNDCTL_DSP_CURRENT_OPTR, &info, sizeof(oss_count_t)) < 0) {
369 //		"fifo_samples=%d }\n", __FUNCTION__, info->samples,
370 //		info->fifo_samples));
372 		*fifoed = info.fifo_samples;
373 	return info.samples;
380 	audio_errinfo info;
382 	memset(&info, 0, sizeof(info));
385 	if (ioctl(fFD, SNDCTL_DSP_GETERROR, &info, sizeof(info)) < 0) {
390 	PRINT(("OpenSoundDeviceEngine::%s: IOVERRUNS: { overruns=%d }\n", __FUNCTION__, info.rec_overruns));
391 	return info.rec_overruns;
398 	audio_errinfo info;
400 	memset(&info, 0, sizeof(info));
403 	if (ioctl(fFD, SNDCTL_DSP_GETERROR, &info, sizeof(info)) < 0) {
408 	//PRINT(("OpenSoundDeviceEngine::%s: OUNDERRUNS: { underruns=%d }\n", __FUNCTION__, info.play_underruns));
409 	return info.play_underruns;