bool CAESinkALSA::Initialize(AEAudioFormat &format, std::string &device)
{
m_initDevice = device;
m_initFormat = format;
/* if we are raw, correct the data format */
if (AE_IS_RAW(format.m_dataFormat))
{
m_channelLayout = GetChannelLayout(format);
format.m_dataFormat = AE_FMT_S16NE;
m_passthrough = true;
}
else
{
m_channelLayout = GetChannelLayout(format);
m_passthrough = false;
}
if (m_channelLayout.Count() == 0)
{
CLog::Log(LOGERROR, "CAESinkALSA::Initialize - Unable to open the requested channel layout");
return false;
}
format.m_channelLayout = m_channelLayout;
/* if passthrough we need the additional AES flags */
if (m_passthrough)
GetPassthroughDevice(format, device);
m_device = device;
CLog::Log(LOGINFO, "CAESinkALSA::Initialize - Attempting to open device %s", device.c_str());
/* get the sound config */
snd_config_t *config;
snd_config_copy(&config, snd_config);
int error;
error = snd_pcm_open_lconf(&m_pcm, device.c_str(), SND_PCM_STREAM_PLAYBACK, ALSA_OPTIONS, config);
if (error < 0)
{
CLog::Log(LOGERROR, "CAESinkALSA::Initialize - snd_pcm_open_lconf(%d) - %s", error, device.c_str());
snd_config_delete(config);
return false;
}
/* free the sound config */
snd_config_delete(config);
if (!InitializeHW(format) || !InitializeSW(format))
return false;
snd_pcm_nonblock(m_pcm, 1);
snd_pcm_prepare (m_pcm);
m_format = format;
m_formatSampleRateMul = 1.0 / (double)m_format.m_sampleRate;
return true;
}
bool CAESinkOSS::IsCompatible(const AEAudioFormat &format, const std::string &device)
{
AEAudioFormat tmp = format;
tmp.m_channelLayout = GetChannelLayout(format);
return (
tmp.m_sampleRate == m_initFormat.m_sampleRate &&
tmp.m_dataFormat == m_initFormat.m_dataFormat &&
tmp.m_channelLayout == m_initFormat.m_channelLayout &&
GetDeviceUse(tmp, device) == m_device
);
}
bool CAESinkOSS::Initialize(AEAudioFormat &format, std::string &device)
{
m_initFormat = format;
format.m_channelLayout = GetChannelLayout(format);
device = GetDeviceUse(format, device);
#ifdef __linux__
/* try to open in exclusive mode first (no software mixing) */
m_fd = open(device.c_str(), O_WRONLY | O_EXCL, 0);
if (m_fd == -1)
#endif
m_fd = open(device.c_str(), O_WRONLY, 0);
if (m_fd == -1)
{
CLog::Log(LOGERROR, "CAESinkOSS::Initialize - Failed to open the audio device: %s", device.c_str());
return false;
}
int format_mask;
if (ioctl(m_fd, SNDCTL_DSP_GETFMTS, &format_mask) == -1)
{
close(m_fd);
CLog::Log(LOGERROR, "CAESinkOSS::Initialize - Failed to get supported formats, assuming AFMT_S16_NE");
return false;
}
#ifdef OSS4
bool useCooked = true;
#endif
int oss_fmt = 0;
#ifdef AFMT_FLOAT
if ((format.m_dataFormat == AE_FMT_FLOAT) && (format_mask & AFMT_FLOAT ))
oss_fmt = AFMT_FLOAT;
else
#endif
#ifdef AFMT_S32_NE
if ((format.m_dataFormat == AE_FMT_S32NE) && (format_mask & AFMT_S32_NE))
oss_fmt = AFMT_S32_NE;
else if ((format.m_dataFormat == AE_FMT_S32BE) && (format_mask & AFMT_S32_BE))
oss_fmt = AFMT_S32_BE;
else if ((format.m_dataFormat == AE_FMT_S32LE) && (format_mask & AFMT_S32_LE))
oss_fmt = AFMT_S32_LE;
else
#endif
if ((format.m_dataFormat == AE_FMT_S16NE) && (format_mask & AFMT_S16_NE))
oss_fmt = AFMT_S16_NE;
else if ((format.m_dataFormat == AE_FMT_S16BE) && (format_mask & AFMT_S16_BE))
oss_fmt = AFMT_S16_BE;
else if ((format.m_dataFormat == AE_FMT_S16LE) && (format_mask & AFMT_S16_LE))
oss_fmt = AFMT_S16_LE;
else if ((format.m_dataFormat == AE_FMT_S8 ) && (format_mask & AFMT_S8 ))
oss_fmt = AFMT_S8;
else if ((format.m_dataFormat == AE_FMT_U8 ) && (format_mask & AFMT_U8 ))
oss_fmt = AFMT_U8;
else if ((AE_IS_RAW(format.m_dataFormat) ) && (format_mask & AFMT_AC3 ))
{
oss_fmt = AFMT_AC3;
format.m_dataFormat = AE_FMT_S16NE;
}
else if (AE_IS_RAW(format.m_dataFormat))
{
close(m_fd);
CLog::Log(LOGERROR, "CAESinkOSS::Initialize - Failed to find a suitable RAW output format");
return false;
}
else
{
CLog::Log(LOGINFO, "CAESinkOSS::Initialize - Your hardware does not support %s, trying other formats", CAEUtil::DataFormatToStr(format.m_dataFormat));
/* fallback to the best supported format */
#ifdef AFMT_FLOAT
if (format_mask & AFMT_FLOAT )
{
oss_fmt = AFMT_FLOAT;
format.m_dataFormat = AE_FMT_FLOAT;
}
else
#endif
#ifdef AFMT_S32_NE
if (format_mask & AFMT_S32_NE)
{
oss_fmt = AFMT_S32_NE;
format.m_dataFormat = AE_FMT_S32NE;
}
else if (format_mask & AFMT_S32_BE)
{
oss_fmt = AFMT_S32_BE;
format.m_dataFormat = AE_FMT_S32BE;
}
else if (format_mask & AFMT_S32_LE)
{
oss_fmt = AFMT_S32_LE;
format.m_dataFormat = AE_FMT_S32LE;
}
else
#endif
if (format_mask & AFMT_S16_NE)
{
oss_fmt = AFMT_S16_NE;
format.m_dataFormat = AE_FMT_S16NE;
}
else if (format_mask & AFMT_S16_BE)
{
oss_fmt = AFMT_S16_BE;
format.m_dataFormat = AE_FMT_S16BE;
}
else if (format_mask & AFMT_S16_LE)
{
oss_fmt = AFMT_S16_LE;
format.m_dataFormat = AE_FMT_S16LE;
}
else if (format_mask & AFMT_S8 )
{
oss_fmt = AFMT_S8;
format.m_dataFormat = AE_FMT_S8;
}
else if (format_mask & AFMT_U8 )
{
oss_fmt = AFMT_U8;
format.m_dataFormat = AE_FMT_U8;
}
else
{
CLog::Log(LOGERROR, "CAESinkOSS::Initialize - Failed to find a suitable native output format, will try to use AE_FMT_S16NE anyway");
oss_fmt = AFMT_S16_NE;
format.m_dataFormat = AE_FMT_S16NE;
#ifdef OSS4
/* dont use cooked if we did not find a native format, OSS might be able to convert */
useCooked = false;
#endif
}
}
#ifdef OSS4
if (useCooked)
{
int oss_cooked = 1;
if (ioctl(m_fd, SNDCTL_DSP_COOKEDMODE, &oss_cooked) == -1)
CLog::Log(LOGWARNING, "CAESinkOSS::Initialize - Failed to set cooked mode");
}
#endif
if (ioctl(m_fd, SNDCTL_DSP_SETFMT, &oss_fmt) == -1)
{
close(m_fd);
CLog::Log(LOGERROR, "CAESinkOSS::Initialize - Failed to set the data format (%s)", CAEUtil::DataFormatToStr(format.m_dataFormat));
return false;
}
/* find the number we need to open to access the channels we need */
bool found = false;
int oss_ch = 0;
for (int ch = format.m_channelLayout.Count(); ch < 9; ++ch)
{
oss_ch = ch;
if (ioctl(m_fd, SNDCTL_DSP_CHANNELS, &oss_ch) != -1 && oss_ch >= (int)format.m_channelLayout.Count())
{
found = true;
break;
}
}
if (!found)
CLog::Log(LOGWARNING, "CAESinkOSS::Initialize - Failed to access the number of channels required, falling back");
#if defined(TARGET_FREEBSD)
/* fix hdmi 8 channels order */
if ((oss_fmt != AFMT_AC3) && 8 == oss_ch)
{
unsigned long long order = 0x0000000087346521ULL;
if (ioctl(m_fd, SNDCTL_DSP_SET_CHNORDER, &order) == -1)
CLog::Log(LOGWARNING, "CAESinkOSS::Initialize - Failed to set the channel order");
}
#elif defined(OSS4)
unsigned long long order = 0;
for (unsigned int i = 0; i < format.m_channelLayout.Count(); ++i)
switch (format.m_channelLayout[i])
{
case AE_CH_FL : order = (order << 4) | CHID_L ; break;
case AE_CH_FR : order = (order << 4) | CHID_R ; break;
case AE_CH_FC : order = (order << 4) | CHID_C ; break;
case AE_CH_LFE: order = (order << 4) | CHID_LFE; break;
case AE_CH_SL : order = (order << 4) | CHID_LS ; break;
case AE_CH_SR : order = (order << 4) | CHID_RS ; break;
case AE_CH_BL : order = (order << 4) | CHID_LR ; break;
case AE_CH_BR : order = (order << 4) | CHID_RR ; break;
default:
continue;
}
if (ioctl(m_fd, SNDCTL_DSP_SET_CHNORDER, &order) == -1)
{
if (ioctl(m_fd, SNDCTL_DSP_GET_CHNORDER, &order) == -1)
{
CLog::Log(LOGWARNING, "CAESinkOSS::Initialize - Failed to get the channel order, assuming CHNORDER_NORMAL");
}
}
#endif
int tmp = (CAEUtil::DataFormatToBits(format.m_dataFormat) >> 3) * format.m_channelLayout.Count() * OSS_FRAMES;
int pos = 0;
while ((tmp & 0x1) == 0x0)
{
tmp = tmp >> 1;
++pos;
}
int oss_frag = (4 << 16) | pos;
if (ioctl(m_fd, SNDCTL_DSP_SETFRAGMENT, &oss_frag) == -1)
CLog::Log(LOGWARNING, "CAESinkOSS::Initialize - Failed to set the fragment size");
int oss_sr = format.m_sampleRate;
if (ioctl(m_fd, SNDCTL_DSP_SPEED, &oss_sr) == -1)
{
close(m_fd);
CLog::Log(LOGERROR, "CAESinkOSS::Initialize - Failed to set the sample rate");
return false;
}
audio_buf_info bi;
if (ioctl(m_fd, SNDCTL_DSP_GETOSPACE, &bi) == -1)
{
close(m_fd);
CLog::Log(LOGERROR, "CAESinkOSS::Initialize - Failed to get the output buffer size");
return false;
}
format.m_sampleRate = oss_sr;
format.m_frameSize = (CAEUtil::DataFormatToBits(format.m_dataFormat) >> 3) * format.m_channelLayout.Count();
format.m_frames = bi.fragsize / format.m_frameSize;
format.m_frameSamples = format.m_frames * format.m_channelLayout.Count();
m_device = device;
m_format = format;
return true;
}
bool CAESinkALSA::Initialize(AEAudioFormat &format, std::string &device)
{
CAEChannelInfo channelLayout;
m_initDevice = device;
m_initFormat = format;
/* if we are raw, correct the data format */
if (AE_IS_RAW(format.m_dataFormat))
{
channelLayout = GetChannelLayout(format);
format.m_dataFormat = AE_FMT_S16NE;
m_passthrough = true;
}
else
{
channelLayout = GetChannelLayout(format);
m_passthrough = false;
}
#if defined(HAS_LIBAMCODEC)
if (aml_present())
{
aml_set_audio_passthrough(m_passthrough);
device = "default";
}
#endif
if (channelLayout.Count() == 0)
{
CLog::Log(LOGERROR, "CAESinkALSA::Initialize - Unable to open the requested channel layout");
return false;
}
format.m_channelLayout = channelLayout;
AEDeviceType devType = AEDeviceTypeFromName(device);
std::string AESParams;
/* digital interfaces should have AESx set, though in practice most
* receivers don't care */
if (m_passthrough || devType == AE_DEVTYPE_HDMI || devType == AE_DEVTYPE_IEC958)
GetAESParams(format, AESParams);
CLog::Log(LOGINFO, "CAESinkALSA::Initialize - Attempting to open device \"%s\"", device.c_str());
/* get the sound config */
snd_config_t *config;
snd_config_copy(&config, snd_config);
if (!OpenPCMDevice(device, AESParams, channelLayout.Count(), &m_pcm, config))
{
CLog::Log(LOGERROR, "CAESinkALSA::Initialize - failed to initialize device \"%s\"", device.c_str());
snd_config_delete(config);
return false;
}
/* get the actual device name that was used */
device = snd_pcm_name(m_pcm);
m_device = device;
CLog::Log(LOGINFO, "CAESinkALSA::Initialize - Opened device \"%s\"", device.c_str());
/* free the sound config */
snd_config_delete(config);
if (!InitializeHW(format) || !InitializeSW(format))
return false;
// we want it blocking
snd_pcm_nonblock(m_pcm, 0);
snd_pcm_prepare (m_pcm);
m_format = format;
m_formatSampleRateMul = 1.0 / (double)m_format.m_sampleRate;
return true;
}
bool CAESinkALSA::Initialize(AEAudioFormat &format, std::string &device)
{
m_initDevice = device;
m_initFormat = format;
/* if we are raw, correct the data format */
if (AE_IS_RAW(format.m_dataFormat))
{
m_channelLayout = GetChannelLayout(format);
format.m_dataFormat = AE_FMT_S16NE;
m_passthrough = true;
}
else
{
m_channelLayout = GetChannelLayout(format);
m_passthrough = false;
}
if (m_channelLayout.Count() == 0)
{
CLog::Log(LOGERROR, "CAESinkALSA::Initialize - Unable to open the requested channel layout");
return false;
}
format.m_channelLayout = m_channelLayout;
AEDeviceType devType = AEDeviceTypeFromName(device);
std::string AESParams;
/* digital interfaces should have AESx set, though in practice most
* receivers don't care */
if (m_passthrough || devType == AE_DEVTYPE_HDMI || devType == AE_DEVTYPE_IEC958)
GetAESParams(format, AESParams);
CLog::Log(LOGINFO, "CAESinkALSA::Initialize - Attempting to open device \"%s\"", device.c_str());
/* get the sound config */
snd_config_t *config;
snd_config_copy(&config, snd_config);
snd_config_t *dmixRateConf;
long dmixRate;
if (snd_config_search(config, "defaults.pcm.dmix.rate", &dmixRateConf) < 0
|| snd_config_get_integer(dmixRateConf, &dmixRate) < 0)
dmixRate = 48000; /* assume default */
/* Prefer dmix for non-passthrough stereo when sample rate matches */
if (!OpenPCMDevice(device, AESParams, m_channelLayout.Count(), &m_pcm, config, format.m_sampleRate == dmixRate && !m_passthrough))
{
CLog::Log(LOGERROR, "CAESinkALSA::Initialize - failed to initialize device \"%s\"", device.c_str());
snd_config_delete(config);
return false;
}
/* get the actual device name that was used */
device = snd_pcm_name(m_pcm);
m_device = device;
CLog::Log(LOGINFO, "CAESinkALSA::Initialize - Opened device \"%s\"", device.c_str());
/* free the sound config */
snd_config_delete(config);
if (!InitializeHW(format) || !InitializeSW(format))
return false;
snd_pcm_nonblock(m_pcm, 1);
snd_pcm_prepare (m_pcm);
m_format = format;
m_formatSampleRateMul = 1.0 / (double)m_format.m_sampleRate;
return true;
}
