static void handle_uevent(hwc_context_t* ctx, const char* udata, int len)
{
int vsync = 0;
int64_t timestamp = 0;
const char *str = udata;
bool usecopybit = false;
int compositionType =
qdutils::QCCompositionType::getInstance().getCompositionType();
if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
qdutils::COMPOSITION_TYPE_MDP |
qdutils::COMPOSITION_TYPE_C2D)) {
usecopybit = true;
}
if(!strcasestr("change@/devices/virtual/switch/hdmi", str) &&
!strcasestr("change@/devices/virtual/switch/wfd", str)) {
ALOGD_IF(UEVENT_DEBUG, "%s: Not Ext Disp Event ", __FUNCTION__);
return;
}
int connected = -1; // initial value - will be set to 1/0 based on hotplug
int extDpyNum = HWC_DISPLAY_EXTERNAL;
char property[PROPERTY_VALUE_MAX];
if((property_get("persist.sys.wfd.virtual", property, NULL) > 0) &&
(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
// This means we are using Google API to trigger WFD Display
extDpyNum = HWC_DISPLAY_VIRTUAL;
}
int dpy = isHDMI(str) ? HWC_DISPLAY_EXTERNAL : extDpyNum;
// parse HDMI/WFD switch state for connect/disconnect
// for HDMI:
// The event will be of the form:
// change@/devices/virtual/switch/hdmi ACTION=change
// SWITCH_STATE=1 or SWITCH_STATE=0
while(*str) {
if (!strncmp(str, "SWITCH_STATE=", strlen("SWITCH_STATE="))) {
connected = atoi(str + strlen("SWITCH_STATE="));
//Disabled until SF calls unblank
ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive = false;
//Ignored for Virtual Displays
//ToDo: we can do this in a much better way
ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = true;
break;
}
str += strlen(str) + 1;
if (str - udata >= len)
break;
}
ALOGD_IF(UEVENT_DEBUG, "Received str:%s",udata);
if(connected != EXTERNAL_ONLINE) {
if(ctx->mExtDisplay->ignoreRequest(udata)) {
ALOGD_IF(UEVENT_DEBUG,"No need to process this connection request"
"str:%s",udata);
ctx->dpyAttr[dpy].isActive = true;
return;
}
}
// update extDpyNum
ctx->mExtDisplay->setExtDpyNum(dpy);
switch(connected) {
case EXTERNAL_OFFLINE:
{ // disconnect event
const char *s1 = udata + strlen(HWC_UEVENT_SWITCH_STR);
if(!strncmp(s1,"hdmi",strlen(s1))) {
ctx->mExtDisplay->teardownHDMIDisplay();
}else if(!strncmp(s1,"wfd",strlen(s1))) {
ctx->mExtDisplay->teardownWFDDisplay();
}
Locker::Autolock _l(ctx->mExtLock);
clear(ctx, dpy);
ALOGD("%s sending hotplug: connected = %d and dpy:%d",
__FUNCTION__, connected, dpy);
ctx->dpyAttr[dpy].connected = false;
//hwc comp could be on
if(dpy != HWC_DISPLAY_VIRTUAL)
ctx->proc->hotplug(ctx->proc, dpy, connected);
break;
}
case EXTERNAL_ONLINE:
{ // connect case
{
//Force composition to give up resources like pipes and
//close fb. For example if assertive display is going on,
//fb2 could be open, thus connecting Layer Mixer#0 to
//WriteBack module. If HDMI attempts to open fb1, the driver
//will try to attach Layer Mixer#0 to HDMI INT, which will
//fail, since Layer Mixer#0 is still connected to WriteBack.
//This block will force composition to close fb2 in above
//example.
Locker::Autolock _l(ctx->mExtLock);
ctx->mExtDispConfiguring = true;
ctx->dpyAttr[dpy].connected = false;
ctx->proc->invalidate(ctx->proc);
}
//2 cycles for slower content
usleep(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period
* 2 / 1000);
const char *s1 = udata + strlen(HWC_UEVENT_SWITCH_STR);
if(!strncmp(s1,"hdmi",strlen(s1))) {
// hdmi online event..!
// check if WFD is configured
if(ctx->mExtDisplay->isWFDActive()) {
ALOGD_IF(UEVENT_DEBUG,"Received HDMI connection request"
"when WFD is active");
// teardown Active WFD Display
ctx->mExtDisplay->teardownWFDDisplay();
{
Locker::Autolock _l(ctx->mExtLock);
clear(ctx, dpy);
//send hotplug disconnect event
ALOGD_IF(UEVENT_DEBUG, "sending hotplug: disconnect"
"for WFD");
}
//Invalidate
ctx->proc->invalidate(ctx->proc);
//wait for 1 second
ALOGE_IF(UEVENT_DEBUG, "wait for 1 second -- padding"
"round");
sleep(1);
}
ctx->mExtDisplay->configureHDMIDisplay();
} else if(!strncmp(s1,"wfd",strlen(s1))) {
// wfd online event..!
ctx->mExtDisplay->configureWFDDisplay();
}
{
Locker::Autolock _l(ctx->mExtLock);
ctx->dpyAttr[dpy].isPause = false;
setup(ctx, dpy, usecopybit);
ALOGD("%s sending hotplug: connected = %d", __FUNCTION__,
connected);
ctx->dpyAttr[dpy].connected = true;
if(dpy != HWC_DISPLAY_VIRTUAL)
ctx->proc->hotplug(ctx->proc, dpy, connected);
}
break;
}
case EXTERNAL_PAUSE:
{ // pause case
ALOGD("%s Received Pause event",__FUNCTION__);
Locker::Autolock _l(ctx->mExtLock);
ctx->dpyAttr[dpy].isActive = true;
ctx->dpyAttr[dpy].isPause = true;
break;
}
case EXTERNAL_RESUME:
{ // resume case
ALOGD("%s Received resume event",__FUNCTION__);
//Treat Resume as Online event
//Since external didnt have any pipes, force primary to give up
//its pipes; we don't allow inter-mixer pipe transfers.
{
Locker::Autolock _l(ctx->mExtLock);
ctx->mExtDispConfiguring = true;
ctx->dpyAttr[dpy].isActive = true;
ctx->proc->invalidate(ctx->proc);
}
usleep(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period
* 2 / 1000);
//At this point external has all the pipes it would need.
{
Locker::Autolock _l(ctx->mExtLock);
ctx->dpyAttr[dpy].isPause = false;
ctx->proc->invalidate(ctx->proc);
}
break;
}
default:
{
ALOGE("ignore event and connected:%d",connected);
break;
}
}
}
bool CAESinkIntelSMD::Initialize(AEAudioFormat &format, std::string &device)
{
VERBOSE2();
CLog::Log(LOGDEBUG, "%s: device: %s, data format: %s, sample rate: %d, channel count: %d, frame size: %d", __DEBUG_ID__, device.c_str(), CAEUtil::DataFormatToStr(format.m_dataFormat), format.m_sampleRate, format.m_channelLayout.Count(), format.m_frameSize);
CSingleLock lock(m_SMDAudioLock);
bool bIsHDMI = isHDMI(device);
bool bIsSPDIF = isSPDIF(device);
bool bIsAnalog = isAnalog(device);
int deviceType = getDeviceType(device);
ismd_result_t result;
AEDataFormat inputDataFormat = format.m_dataFormat;
bool bSPDIFPassthrough = false;
bool bHDMIPassthrough = false;
bool bIsRawCodec = AE_IS_RAW(inputDataFormat);
format.m_sampleRate = getOutputSampleRate(deviceType, format.m_sampleRate);
format.m_dataFormat = getAEDataFormat(deviceType, format.m_dataFormat, format.m_frameSize);
int channels = format.m_channelLayout.Count();
// can not support more than 2 channels on anything other than HDMI
if (channels > 2 && (bIsSPDIF || bIsAnalog))
channels = 2;
// support for more than 8 channels not supported
else if (channels > 8)
channels = 8;
ismd_audio_processor_t audioProcessor = -1;
ismd_audio_format_t ismdAudioInputFormat = ISMD_AUDIO_MEDIA_FMT_INVALID;
audioProcessor = g_IntelSMDGlobals.GetAudioProcessor();
if(audioProcessor == -1)
{
CLog::Log(LOGERROR, "%s audioProcessor is not valid", __DEBUG_ID__);
return false;
}
// disable all outputs
g_IntelSMDGlobals.DisableAudioOutput(g_IntelSMDGlobals.GetHDMIOutput());
g_IntelSMDGlobals.DisableAudioOutput(g_IntelSMDGlobals.GetSPDIFOutput());
g_IntelSMDGlobals.DisableAudioOutput(g_IntelSMDGlobals.GetI2SOutput());
m_audioDevice = g_IntelSMDGlobals.CreateAudioInput(false);
if(m_audioDevice == -1)
{
CLog::Log(LOGERROR, "%s failed to create audio input", __DEBUG_ID__);
return false;
}
g_IntelSMDGlobals.SetPrimaryAudioDevice(m_audioDevice);
m_audioDeviceInput = g_IntelSMDGlobals.GetAudioDevicePort(m_audioDevice);
if(m_audioDeviceInput == -1)
{
CLog::Log(LOGERROR, "%s failed to create audio input port", __DEBUG_ID__);
return false;
}
ismdAudioInputFormat = GetISMDFormat(inputDataFormat);
unsigned int uiBitsPerSample = CAEUtil::DataFormatToBits(format.m_dataFormat);
unsigned int uiUsedBitsPerSample = CAEUtil::DataFormatToUsedBits(format.m_dataFormat);
// Are we doing DD+ -> DD mode
bool bAC3Encode = false;
if (bIsHDMI)
{
unsigned int sampleRate = format.m_sampleRate;
unsigned int bitsPerSample = uiUsedBitsPerSample;
if (format.m_encodedRate != 0)
sampleRate = format.m_encodedRate;
unsigned int suggSampleRate = sampleRate;
if (!CheckEDIDSupport(ismdAudioInputFormat, channels, suggSampleRate, bitsPerSample, bAC3Encode))
{
if (suggSampleRate != sampleRate)
format.m_sampleRate = suggSampleRate;
if (bitsPerSample != uiUsedBitsPerSample)
{
if (uiUsedBitsPerSample == 24)
{
format.m_dataFormat = AE_FMT_S24NE4;
uiUsedBitsPerSample = bitsPerSample;
}
else if (uiUsedBitsPerSample == 32)
{
format.m_dataFormat = AE_FMT_S32LE;
uiUsedBitsPerSample = bitsPerSample;
}
else
{
format.m_dataFormat = AE_FMT_S16LE;
uiUsedBitsPerSample = 16;
}
uiBitsPerSample = CAEUtil::DataFormatToBits(format.m_dataFormat);
}
//format.m_frameSize = uiBitsPerSample/4;
}
}
else if (bIsSPDIF && ismdAudioInputFormat == ISMD_AUDIO_MEDIA_FMT_DD_PLUS && ISMD_SUCCESS == ismd_audio_codec_available((ismd_audio_format_t) ISMD_AUDIO_ENCODE_FMT_AC3))
{
bAC3Encode = true;
}
unsigned int outputSampleRate = format.m_sampleRate;
// for raw codecs, send as PCM passthrough
if (!bAC3Encode && bIsRawCodec && ismdAudioInputFormat != ISMD_AUDIO_MEDIA_FMT_DD && ismdAudioInputFormat != ISMD_AUDIO_MEDIA_FMT_TRUE_HD)
{
format.m_dataFormat = AE_FMT_S16NE;
ismdAudioInputFormat = ISMD_AUDIO_MEDIA_FMT_PCM;
bHDMIPassthrough = bSPDIFPassthrough = true;
}
format.m_channelLayout.Reset();
if (bIsRawCodec)
{
for (int i = 0; i < channels; ++i)
format.m_channelLayout += AE_CH_RAW;
}
// TODO: This currently handles Mono,Stereo, 5.1, 7.1 correctly
// Handle the other cases (i.e. 6.1 DTS)
else
{
for (int i = 0; i < channels; ++i)
format.m_channelLayout += s_chMap[i];
}
//TODO: Handle non normal channel configs (3 channel, etc).
int inputChannelConfig = AUDIO_CHAN_CONFIG_2_CH;
if (format.m_channelLayout.Count() == 1)
inputChannelConfig = AUDIO_CHAN_CONFIG_1_CH;
else if (format.m_channelLayout.Count() == 6)
inputChannelConfig = AUDIO_CHAN_CONFIG_6_CH;
else if (format.m_channelLayout.Count() == 8)
inputChannelConfig = AUDIO_CHAN_CONFIG_8_CH;
format.m_frameSize = channels * (CAEUtil::DataFormatToBits(format.m_dataFormat) >> 3);
// if standard audio keep buffer small so delay is short
if (!bIsRawCodec)
{
// try to keep roughly 5ms buffer using multiples of a 1024 buffer size
int numBuffers = ((0.005*((double)(format.m_sampleRate*format.m_frameSize))) / 1024.0) + 0.5;
if (numBuffers == 0)
numBuffers = 1;
else if (numBuffers > 8)
numBuffers = 8;
m_dwChunkSize = numBuffers*1024;
}
else
{
m_dwChunkSize = 8*1024;
}
m_dwBufferLen = m_dwChunkSize;
format.m_frames = m_dwChunkSize/format.m_frameSize;
format.m_frameSamples = format.m_frames*channels;
m_frameSize = format.m_frameSize;
CLog::Log(LOGINFO, "%s ismdAudioInputFormat %d\n", __DEBUG_ID__,
ismdAudioInputFormat);
int counter = 0;
while(counter < 5)
{
result = ismd_audio_input_set_data_format(audioProcessor, m_audioDevice, ismdAudioInputFormat);
if (result != ISMD_SUCCESS)
{
CLog::Log(LOGERROR, "%s ismd_audio_input_set_data_format failed. retrying %d %d", __DEBUG_ID__, counter, result);
counter++;
usleep(1000);
}
else
break;
}
switch( ismdAudioInputFormat )
{
case ISMD_AUDIO_MEDIA_FMT_DD:
CLog::Log(LOGDEBUG, "%s: Initialize DD detected", __DEBUG_ID__);
bHDMIPassthrough = bSPDIFPassthrough = true;
break;
case ISMD_AUDIO_MEDIA_FMT_DD_PLUS:
CLog::Log(LOGDEBUG, "%s: Initialize DD Plus detected", __DEBUG_ID__);
bHDMIPassthrough = true;
// check special case for DD+->DD using DDCO
if(bAC3Encode)
{
CLog::Log(LOGDEBUG, "%s: Initialize EAC3->AC3 transcoding is on", __DEBUG_ID__);
bHDMIPassthrough = false;
bAC3Encode = true;
ConfigureDolbyPlusModes(audioProcessor, m_audioDevice, bAC3Encode);
}
break;
case ISMD_AUDIO_MEDIA_FMT_DTS:
case ISMD_AUDIO_MEDIA_FMT_DTS_LBR:
CLog::Log(LOGDEBUG, "%s: Initialize DTS detected", __DEBUG_ID__);
bHDMIPassthrough = bSPDIFPassthrough = true;
break;
case ISMD_AUDIO_MEDIA_FMT_DTS_HD:
case ISMD_AUDIO_MEDIA_FMT_DTS_HD_MA:
case ISMD_AUDIO_MEDIA_FMT_DTS_HD_HRA:
CLog::Log(LOGDEBUG, "%s: Initialize DTS-HD detected", __DEBUG_ID__);
bHDMIPassthrough = true;
outputSampleRate = format.m_encodedRate;
channels = 2;
break;
case ISMD_AUDIO_MEDIA_FMT_TRUE_HD:
CLog::Log(LOGDEBUG, "%s: Initialize TrueHD detected", __DEBUG_ID__);
bHDMIPassthrough = true;
outputSampleRate = format.m_encodedRate;
channels = 2;
break;
case ISMD_AUDIO_MEDIA_FMT_PCM:
result = ismd_audio_input_set_pcm_format(audioProcessor, m_audioDevice, uiBitsPerSample, format.m_sampleRate, inputChannelConfig);
if (result != ISMD_SUCCESS)
{
CLog::Log(LOGERROR, "%s - ismd_audio_input_set_pcm_format: %d", __DEBUG_ID__, result);
// return false;
}
break;
default:
break;
}
// I2S. Nothing to touch here. we always use defaults
// SPIDF
if(bIsSPDIF)
{
ismd_audio_output_t OutputSPDIF = g_IntelSMDGlobals.GetSPDIFOutput();
ismd_audio_output_config_t spdif_output_config;
ConfigureAudioOutputParams(spdif_output_config, AE_DEVTYPE_IEC958, uiUsedBitsPerSample,
outputSampleRate, channels, ismdAudioInputFormat, bSPDIFPassthrough, bAC3Encode);
if(!g_IntelSMDGlobals.ConfigureAudioOutput(OutputSPDIF, spdif_output_config))
{
CLog::Log(LOGERROR, "%s ConfigureAudioOutput SPDIF failed %d", __DEBUG_ID__, result);
// return false;
}
//format.m_sampleRate = spdif_output_config.sample_rate;
}
// HDMI
if(bIsHDMI)
{
ismd_audio_output_t OutputHDMI = g_IntelSMDGlobals.GetHDMIOutput();
ismd_audio_output_config_t hdmi_output_config;
ConfigureAudioOutputParams(hdmi_output_config, AE_DEVTYPE_HDMI, uiUsedBitsPerSample,
outputSampleRate, channels, ismdAudioInputFormat, bHDMIPassthrough, bAC3Encode);
if(!g_IntelSMDGlobals.ConfigureAudioOutput(OutputHDMI, hdmi_output_config))
{
CLog::Log(LOGERROR, "%s ConfigureAudioOutput HDMI failed %d", __DEBUG_ID__, result);
return false;
}
//format.m_sampleRate = hdmi_output_config.sample_rate;
}
// Configure the master clock frequency
CLog::Log(LOGINFO, "%s ConfigureMasterClock %d", __DEBUG_ID__, format.m_sampleRate);
g_IntelSMDGlobals.ConfigureMasterClock(format.m_sampleRate);
bSPDIFPassthrough = bIsSPDIF && bSPDIFPassthrough;
bHDMIPassthrough = bIsHDMI && bHDMIPassthrough;
ismd_audio_input_pass_through_config_t passthrough_config;
memset(&passthrough_config, 0, sizeof(&passthrough_config));
if (bSPDIFPassthrough || bHDMIPassthrough)
{
passthrough_config.is_pass_through = TRUE;
passthrough_config.supported_format_count = 1;
passthrough_config.supported_formats[0] = ismdAudioInputFormat;
}
result = ismd_audio_input_set_as_primary(audioProcessor, m_audioDevice, passthrough_config);
if (result != ISMD_SUCCESS)
{
CLog::Log(LOGERROR, "%s ismd_audio_input_set_as_primary failed %d", __DEBUG_ID__, result);
// return false;
}
if(!g_IntelSMDGlobals.EnableAudioInput(m_audioDevice))
{
CLog::Log(LOGERROR, "%s EnableAudioInput", __DEBUG_ID__);
// return false;
}
// enable outputs
if (bIsHDMI)
{
if(!g_IntelSMDGlobals.EnableAudioOutput(g_IntelSMDGlobals.GetHDMIOutput()))
{
CLog::Log(LOGERROR, "%s EnableAudioOutput HDMI failed", __DEBUG_ID__);
// return false;
}
}
if (bIsSPDIF)
{
if(!g_IntelSMDGlobals.EnableAudioOutput(g_IntelSMDGlobals.GetSPDIFOutput()))
{
CLog::Log(LOGERROR, "%s EnableAudioOutput SPDIF failed", __DEBUG_ID__);
// return false;
}
}
if (bIsAnalog)
{
if(!g_IntelSMDGlobals.EnableAudioOutput(g_IntelSMDGlobals.GetI2SOutput()))
{
CLog::Log(LOGERROR, "%s EnableAudioOutput I2S failed", __DEBUG_ID__);
// return false;
}
}
g_IntelSMDGlobals.SetAudioDeviceState(ISMD_DEV_STATE_PLAY, m_audioDevice);
// m_fCurrentVolume = g_settings.m_fVolumeLevel;
//g_IntelSMDGlobals.SetMasterVolume(m_fCurrentVolume);
m_bPause = false;
m_dSampleRate = format.m_sampleRate;
m_bIsAllocated = true;
// set latency when using passthrough since we are not using a timed audio interface
if (bAC3Encode || ismdAudioInputFormat == ISMD_AUDIO_MEDIA_FMT_DD)
m_latency = 0.675;//0.45;
CLog::Log(LOGINFO, "%s done", __DEBUG_ID__);
return true;
}
