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OMXAudio.cpp
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/*
* XBMC Media Center
* Copyright (c) 2002 d7o3g4q and RUNTiME
* Portions Copyright (c) by the authors of ffmpeg and xvid
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if (defined HAVE_CONFIG_H) && (!defined WIN32)
#include "config.h"
#elif defined(_WIN32)
#include "system.h"
#endif
#include "OMXAudio.h"
#include "utils/log.h"
#define CLASSNAME "COMXAudio"
#include "linux/XMemUtils.h"
#ifndef VOLUME_MINIMUM
#define VOLUME_MINIMUM 0
#endif
#include <algorithm>
using namespace std;
#define OMX_MAX_CHANNELS 10
static enum PCMChannels OMXChannelMap[OMX_MAX_CHANNELS] =
{
PCM_FRONT_LEFT , PCM_FRONT_RIGHT,
PCM_FRONT_CENTER, PCM_LOW_FREQUENCY,
PCM_BACK_LEFT , PCM_BACK_RIGHT,
PCM_SIDE_LEFT , PCM_SIDE_RIGHT,
PCM_BACK_CENTER
};
static enum OMX_AUDIO_CHANNELTYPE OMXChannels[OMX_MAX_CHANNELS] =
{
OMX_AUDIO_ChannelLF, OMX_AUDIO_ChannelRF,
OMX_AUDIO_ChannelCF, OMX_AUDIO_ChannelLFE,
OMX_AUDIO_ChannelLR, OMX_AUDIO_ChannelRR,
OMX_AUDIO_ChannelLS, OMX_AUDIO_ChannelRS,
OMX_AUDIO_ChannelCS, OMX_AUDIO_ChannelNone
};
static unsigned int WAVEChannels[OMX_MAX_CHANNELS] =
{
SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
SPEAKER_TOP_FRONT_CENTER, SPEAKER_LOW_FREQUENCY,
SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT,
SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT,
SPEAKER_BACK_CENTER, 0
};
static const uint16_t AC3Bitrates[] = {32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 448, 512, 576, 640};
static const uint16_t AC3FSCod [] = {48000, 44100, 32000, 0};
static const uint16_t DTSFSCod [] = {0, 8000, 16000, 32000, 0, 0, 11025, 22050, 44100, 0, 0, 12000, 24000, 48000, 0, 0};
// 7.1 downmixing coefficients
const float downmixing_coefficients_8[OMX_AUDIO_MAXCHANNELS] = {
// L R
/* L */ 1, 0,
/* R */ 0, 1,
/* C */ 0.7071, 0.7071,
/* LFE */ 0.7071, 0.7071,
/* Ls */ 0.7071, 0,
/* Rs */ 0, 0.7071,
/* Lr */ 0.7071, 0,
/* Rr */ 0, 0.7071
};
// 7.1 downmixing coefficients with boosted centre channel
const float downmixing_coefficients_8_boostcentre[OMX_AUDIO_MAXCHANNELS] = {
// L R
/* L */ 0.7071, 0,
/* R */ 0, 0.7071,
/* C */ 1, 1,
/* LFE */ 0.7071, 0.7071,
/* Ls */ 0.7071, 0,
/* Rs */ 0, 0.7071,
/* Lr */ 0.7071, 0,
/* Rr */ 0, 0.7071
};
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
//***********************************************************************************************
COMXAudio::COMXAudio() :
m_Initialized (false ),
m_CurrentVolume (0 ),
m_Mute (false ),
m_drc (0 ),
m_Passthrough (false ),
m_HWDecode (false ),
m_normalize_downmix(true ),
m_BytesPerSec (0 ),
m_BufferLen (0 ),
m_ChunkLen (0 ),
m_InputChannels (0 ),
m_downmix_channels(0 ),
m_BitsPerSample (0 ),
m_maxLevel (0.0f ),
m_avgLevel (0.0f ),
m_amplification (1.0f ),
m_attenuation (1.0f ),
m_desired_attenuation(1.0f),
m_omx_clock (NULL ),
m_av_clock (NULL ),
m_settings_changed(false ),
m_setStartTime (false ),
m_LostSync (true ),
m_SampleRate (0 ),
m_eEncoding (OMX_AUDIO_CodingPCM),
m_extradata (NULL ),
m_extrasize (0 ),
m_last_pts (DVD_NOPTS_VALUE),
m_submitted_eos (false ),
m_failed_eos (false ),
m_fifo_size (0.0 )
{
}
COMXAudio::~COMXAudio()
{
Deinitialize();
}
bool COMXAudio::PortSettingsChanged()
{
CSingleLock lock (m_critSection);
OMX_ERRORTYPE omx_err = OMX_ErrorNone;
if (m_settings_changed)
{
m_omx_decoder.DisablePort(m_omx_decoder.GetOutputPort(), true);
m_omx_decoder.EnablePort(m_omx_decoder.GetOutputPort(), true);
return true;
}
if(!m_Passthrough)
{
if(!m_omx_mixer.Initialize("OMX.broadcom.audio_mixer", OMX_IndexParamAudioInit))
return false;
}
if(!m_omx_render.Initialize("OMX.broadcom.audio_render", OMX_IndexParamAudioInit))
return false;
ApplyVolume();
if(!m_Passthrough)
{
/* setup mixer output */
OMX_INIT_STRUCTURE(m_pcm_output);
m_pcm_output.nPortIndex = m_omx_decoder.GetOutputPort();
omx_err = m_omx_decoder.GetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - error SetParameter 1 output omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
}
m_pcm_output.nPortIndex = m_omx_mixer.GetOutputPort();
/* mixer output is always stereo */
m_pcm_output.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
m_pcm_output.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
m_pcm_output.nChannels = 2;
omx_err = m_omx_mixer.SetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - error SetParameter 1 output omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
}
CLog::Log(LOGDEBUG, "%s::%s - Output bps %d samplerate %d channels %d buffer size %d bytes per second %d",
CLASSNAME, __func__, (int)m_pcm_output.nBitPerSample, (int)m_pcm_output.nSamplingRate, (int)m_pcm_output.nChannels, m_BufferLen, m_BytesPerSec);
PrintPCM(&m_pcm_output, std::string("output"));
}
m_omx_tunnel_clock.Initialize(m_omx_clock, m_omx_clock->GetInputPort(), &m_omx_render, m_omx_render.GetInputPort()+1);
omx_err = m_omx_tunnel_clock.Establish(false);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - m_omx_tunnel_clock.Establish omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
m_omx_render.ResetEos();
// By default audio_render is the clock master, and if output samples don't fit the timestamps, it will speed up/slow down the clock.
// This tends to be better for maintaining audio sync and avoiding audio glitches, but can affect video/display sync
if(1)
{
OMX_CONFIG_BOOLEANTYPE configBool;
OMX_INIT_STRUCTURE(configBool);
configBool.bEnabled = OMX_FALSE;
omx_err = m_omx_render.SetConfig(OMX_IndexConfigBrcmClockReferenceSource, &configBool);
if (omx_err != OMX_ErrorNone)
return false;
}
OMX_CONFIG_BRCMAUDIODESTINATIONTYPE audioDest;
OMX_INIT_STRUCTURE(audioDest);
strncpy((char *)audioDest.sName, m_deviceuse.c_str(), strlen(m_deviceuse.c_str()));
omx_err = m_omx_render.SetConfig(OMX_IndexConfigBrcmAudioDestination, &audioDest);
if (omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - m_omx_render.SetConfig omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
if(!m_Passthrough)
{
m_omx_tunnel_decoder.Initialize(&m_omx_decoder, m_omx_decoder.GetOutputPort(), &m_omx_mixer, m_omx_mixer.GetInputPort());
m_omx_tunnel_mixer.Initialize(&m_omx_mixer, m_omx_mixer.GetOutputPort(), &m_omx_render, m_omx_render.GetInputPort());
printf("A:PortSettingsChanged: bits:%d mode:%d channels:%d srate:%d nopassthrough\n",
(int)m_pcm_input.nBitPerSample, m_pcm_input.ePCMMode, (int)m_pcm_input.nChannels, (int)m_pcm_input.nSamplingRate);
}
else
{
m_omx_tunnel_decoder.Initialize(&m_omx_decoder, m_omx_decoder.GetOutputPort(), &m_omx_render, m_omx_render.GetInputPort());
printf("A:PortSettingsChanged: bits:%d mode:%d channels:%d srate:%d passthrough\n",
0, 0, 0, 0);
}
omx_err = m_omx_tunnel_decoder.Establish(false);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - m_omx_tunnel_decoder.Establish omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
if(!m_Passthrough)
{
omx_err = m_omx_mixer.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone) {
CLog::Log(LOGERROR, "%s::%s - m_omx_mixer OMX_StateExecuting omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
omx_err = m_omx_tunnel_mixer.Establish(false);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - m_omx_tunnel_decoder.Establish omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
omx_err = m_omx_render.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - m_omx_render OMX_StateExecuting omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
m_settings_changed = true;
return true;
}
bool COMXAudio::Initialize(const CStdString& device, int iChannels, enum PCMChannels *channelMap,
COMXStreamInfo &hints, unsigned int downmixChannels, unsigned int uiSampleRate, unsigned int uiBitsPerSample, bool boostOnDownmix,
OMXClock *clock, bool bUsePassthrough, bool bUseHWDecode, float fifo_size)
{
CSingleLock lock (m_critSection);
OMX_ERRORTYPE omx_err;
Deinitialize();
if(!m_dllAvUtil.Load())
return false;
if(device == "hdmi") {
m_deviceuse = "hdmi";
} else {
m_deviceuse = "local";
}
m_HWDecode = bUseHWDecode;
m_Passthrough = bUsePassthrough;
m_InputChannels = iChannels;
m_fifo_size = fifo_size;
m_downmix_channels = downmixChannels;
m_normalize_downmix = !boostOnDownmix;
if(m_InputChannels == 0)
return false;
if(hints.samplerate == 0)
return false;
m_av_clock = clock;
if(!m_av_clock)
return false;
/* passthrough overwrites hw decode */
if(m_Passthrough)
{
m_HWDecode = false;
}
else if(m_HWDecode)
{
/* check again if we are capable to hw decode the format */
m_HWDecode = CanHWDecode(hints.codec);
}
if(m_Passthrough || m_HWDecode)
SetCodingType(hints.codec);
else
SetCodingType(CODEC_ID_PCM_S16LE);
if(hints.extrasize > 0 && hints.extradata != NULL)
{
m_extrasize = hints.extrasize;
m_extradata = (uint8_t *)malloc(m_extrasize);
memcpy(m_extradata, hints.extradata, hints.extrasize);
}
m_omx_clock = m_av_clock->GetOMXClock();
m_drc = 0;
memset(m_input_channels, 0x0, sizeof(m_input_channels));
memset(&m_wave_header, 0x0, sizeof(m_wave_header));
for(int i = 0; i < OMX_AUDIO_MAXCHANNELS; i++)
{
m_pcm_input.eChannelMapping[i] = OMX_AUDIO_ChannelNone;
m_input_channels[i] = OMX_AUDIO_ChannelMax;
}
m_input_channels[0] = OMX_AUDIO_ChannelLF;
m_input_channels[1] = OMX_AUDIO_ChannelRF;
m_input_channels[2] = OMX_AUDIO_ChannelMax;
m_wave_header.Format.nChannels = 2;
m_wave_header.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
// set the input format, and get the channel layout so we know what we need to open
enum PCMChannels *outLayout = NULL;
m_remap.Reset();
if (!m_Passthrough && channelMap)
outLayout = m_remap.SetInputFormat (iChannels, channelMap, uiBitsPerSample / 8, uiSampleRate);;
if (!m_Passthrough && channelMap && outLayout)
{
/* setup input channel map */
int map = 0;
int chan = 0;
for (unsigned int ch = 0; ch < m_InputChannels; ++ch)
{
for(map = 0; map < OMX_MAX_CHANNELS; ++map)
{
if (channelMap[ch] == OMXChannelMap[map])
{
m_input_channels[chan] = OMXChannels[map];
m_wave_header.dwChannelMask |= WAVEChannels[map];
chan++;
break;
}
}
}
}
OMX_INIT_STRUCTURE(m_pcm_input);
memcpy(m_pcm_input.eChannelMapping, m_input_channels, sizeof(m_input_channels));
m_SampleRate = uiSampleRate;
m_BitsPerSample = uiBitsPerSample;
m_BufferLen = m_BytesPerSec = m_SampleRate * (16 >> 3) * m_InputChannels;
m_BufferLen *= m_fifo_size;
// should be big enough that common formats (e.g. 6 channel DTS) fit in a single packet.
// we don't mind less common formats being split (e.g. ape/wma output large frames)
// the audio_decode output buffer size is 32K, and typically we convert from
// 6 channel 32bpp float to 8 channel 16bpp in, so a full 48K input buffer will fit the outbut buffer
m_ChunkLen = 48*1024;
m_wave_header.Samples.wSamplesPerBlock = 0;
m_wave_header.Format.nChannels = m_InputChannels;
m_wave_header.Format.nBlockAlign = m_InputChannels *
(m_BitsPerSample >> 3);
// 0x8000 is custom format interpreted by GPU as WAVE_FORMAT_IEEE_FLOAT_PLANAR
m_wave_header.Format.wFormatTag = m_BitsPerSample == 32 ? 0x8000 : WAVE_FORMAT_PCM;
m_wave_header.Format.nSamplesPerSec = m_SampleRate;
m_wave_header.Format.nAvgBytesPerSec = m_BytesPerSec;
m_wave_header.Format.wBitsPerSample = m_BitsPerSample;
m_wave_header.Samples.wValidBitsPerSample = m_BitsPerSample;
m_wave_header.Format.cbSize = 0;
m_wave_header.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
m_pcm_input.eNumData = OMX_NumericalDataSigned;
m_pcm_input.eEndian = OMX_EndianLittle;
m_pcm_input.bInterleaved = OMX_TRUE;
m_pcm_input.nBitPerSample = m_BitsPerSample;
m_pcm_input.ePCMMode = OMX_AUDIO_PCMModeLinear;
m_pcm_input.nChannels = m_InputChannels;
m_pcm_input.nSamplingRate = m_SampleRate;
if(!m_omx_decoder.Initialize("OMX.broadcom.audio_decode", OMX_IndexParamAudioInit))
return false;
OMX_CONFIG_BOOLEANTYPE boolType;
OMX_INIT_STRUCTURE(boolType);
if(m_Passthrough)
boolType.bEnabled = OMX_TRUE;
else
boolType.bEnabled = OMX_FALSE;
omx_err = m_omx_decoder.SetParameter(OMX_IndexParamBrcmDecoderPassThrough, &boolType);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize - Error OMX_IndexParamBrcmDecoderPassThrough 0x%08x", omx_err);
printf("OMX_IndexParamBrcmDecoderPassThrough omx_err(0x%08x)\n", omx_err);
return false;
}
// set up the number/size of buffers for decoder input
OMX_PARAM_PORTDEFINITIONTYPE port_param;
OMX_INIT_STRUCTURE(port_param);
port_param.nPortIndex = m_omx_decoder.GetInputPort();
omx_err = m_omx_decoder.GetParameter(OMX_IndexParamPortDefinition, &port_param);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize error get OMX_IndexParamPortDefinition (input) omx_err(0x%08x)\n", omx_err);
return false;
}
port_param.format.audio.eEncoding = m_eEncoding;
port_param.nBufferSize = m_ChunkLen;
port_param.nBufferCountActual = std::max(port_param.nBufferCountMin, 16U);
omx_err = m_omx_decoder.SetParameter(OMX_IndexParamPortDefinition, &port_param);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize error set OMX_IndexParamPortDefinition (intput) omx_err(0x%08x)\n", omx_err);
return false;
}
// set up the number/size of buffers for decoder output
OMX_INIT_STRUCTURE(port_param);
port_param.nPortIndex = m_omx_decoder.GetOutputPort();
omx_err = m_omx_decoder.GetParameter(OMX_IndexParamPortDefinition, &port_param);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize error get OMX_IndexParamPortDefinition (output) omx_err(0x%08x)\n", omx_err);
return false;
}
port_param.nBufferCountActual = std::max((unsigned int)port_param.nBufferCountMin, m_BufferLen / port_param.nBufferSize);
omx_err = m_omx_decoder.SetParameter(OMX_IndexParamPortDefinition, &port_param);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize error set OMX_IndexParamPortDefinition (output) omx_err(0x%08x)\n", omx_err);
return false;
}
{
OMX_AUDIO_PARAM_PORTFORMATTYPE formatType;
OMX_INIT_STRUCTURE(formatType);
formatType.nPortIndex = m_omx_decoder.GetInputPort();
formatType.eEncoding = m_eEncoding;
omx_err = m_omx_decoder.SetParameter(OMX_IndexParamAudioPortFormat, &formatType);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize error OMX_IndexParamAudioPortFormat omx_err(0x%08x)\n", omx_err);
return false;
}
}
omx_err = m_omx_decoder.AllocInputBuffers();
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize - Error alloc buffers 0x%08x", omx_err);
return false;
}
omx_err = m_omx_decoder.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone) {
CLog::Log(LOGERROR, "COMXAudio::Initialize - Error setting OMX_StateExecuting 0x%08x", omx_err);
return false;
}
if(m_eEncoding == OMX_AUDIO_CodingPCM)
{
OMX_BUFFERHEADERTYPE *omx_buffer = m_omx_decoder.GetInputBuffer();
if(omx_buffer == NULL)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize - buffer error 0x%08x", omx_err);
return false;
}
omx_buffer->nOffset = 0;
omx_buffer->nFilledLen = sizeof(m_wave_header);
if(omx_buffer->nFilledLen > omx_buffer->nAllocLen)
{
CLog::Log(LOGERROR, "COMXAudio::Initialize - omx_buffer->nFilledLen > omx_buffer->nAllocLen");
return false;
}
memset((unsigned char *)omx_buffer->pBuffer, 0x0, omx_buffer->nAllocLen);
memcpy((unsigned char *)omx_buffer->pBuffer, &m_wave_header, omx_buffer->nFilledLen);
omx_buffer->nFlags = OMX_BUFFERFLAG_CODECCONFIG | OMX_BUFFERFLAG_ENDOFFRAME;
omx_err = m_omx_decoder.EmptyThisBuffer(omx_buffer);
if (omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - OMX_EmptyThisBuffer() failed with result(0x%x)\n", CLASSNAME, __func__, omx_err);
return false;
}
}
else if(m_HWDecode)
{
// send decoder config
if(m_extrasize > 0 && m_extradata != NULL)
{
OMX_BUFFERHEADERTYPE *omx_buffer = m_omx_decoder.GetInputBuffer();
if(omx_buffer == NULL)
{
CLog::Log(LOGERROR, "%s::%s - buffer error 0x%08x", CLASSNAME, __func__, omx_err);
return false;
}
omx_buffer->nOffset = 0;
omx_buffer->nFilledLen = m_extrasize;
if(omx_buffer->nFilledLen > omx_buffer->nAllocLen)
{
CLog::Log(LOGERROR, "%s::%s - omx_buffer->nFilledLen > omx_buffer->nAllocLen", CLASSNAME, __func__);
return false;
}
memset((unsigned char *)omx_buffer->pBuffer, 0x0, omx_buffer->nAllocLen);
memcpy((unsigned char *)omx_buffer->pBuffer, m_extradata, omx_buffer->nFilledLen);
omx_buffer->nFlags = OMX_BUFFERFLAG_CODECCONFIG | OMX_BUFFERFLAG_ENDOFFRAME;
omx_err = m_omx_decoder.EmptyThisBuffer(omx_buffer);
if (omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - OMX_EmptyThisBuffer() failed with result(0x%x)\n", CLASSNAME, __func__, omx_err);
return false;
}
}
}
/* return on decoder error so m_Initialized stays false */
if(m_omx_decoder.BadState())
return false;
m_Initialized = true;
m_settings_changed = false;
m_setStartTime = true;
m_submitted_eos = false;
m_failed_eos = false;
m_last_pts = DVD_NOPTS_VALUE;
CLog::Log(LOGDEBUG, "COMXAudio::Initialize Input bps %d samplerate %d channels %d buffer size %d bytes per second %d",
(int)m_pcm_input.nBitPerSample, (int)m_pcm_input.nSamplingRate, (int)m_pcm_input.nChannels, m_BufferLen, m_BytesPerSec);
PrintPCM(&m_pcm_input, std::string("input"));
CLog::Log(LOGDEBUG, "COMXAudio::Initialize device %s passthrough %d hwdecode %d",
device.c_str(), m_Passthrough, m_HWDecode);
return true;
}
//***********************************************************************************************
bool COMXAudio::Deinitialize()
{
CSingleLock lock (m_critSection);
m_omx_tunnel_decoder.Flush();
if(!m_Passthrough)
m_omx_tunnel_mixer.Flush();
m_omx_tunnel_clock.Flush();
m_omx_tunnel_clock.Deestablish();
if(!m_Passthrough)
m_omx_tunnel_mixer.Deestablish();
m_omx_tunnel_decoder.Deestablish();
m_omx_decoder.FlushInput();
m_omx_render.Deinitialize(true);
if(!m_Passthrough)
m_omx_mixer.Deinitialize(true);
m_omx_decoder.Deinitialize(true);
m_BytesPerSec = 0;
m_BufferLen = 0;
m_omx_clock = NULL;
m_av_clock = NULL;
m_Initialized = false;
m_LostSync = true;
m_HWDecode = false;
if(m_extradata)
free(m_extradata);
m_extradata = NULL;
m_extrasize = 0;
m_dllAvUtil.Unload();
m_last_pts = DVD_NOPTS_VALUE;
return true;
}
void COMXAudio::Flush()
{
CSingleLock lock (m_critSection);
if(!m_Initialized)
return;
m_omx_decoder.FlushInput();
m_omx_tunnel_decoder.Flush();
if(!m_Passthrough)
m_omx_tunnel_mixer.Flush();
m_last_pts = DVD_NOPTS_VALUE;
m_LostSync = true;
m_setStartTime = true;
}
//***********************************************************************************************
void COMXAudio::SetDynamicRangeCompression(long drc)
{
CSingleLock lock (m_critSection);
m_amplification = powf(10.0f, (float)drc / 2000.0f);
if (m_settings_changed)
ApplyVolume();
}
//***********************************************************************************************
void COMXAudio::SetMute(bool bMute)
{
CSingleLock lock (m_critSection);
m_Mute = bMute;
if (m_settings_changed)
ApplyVolume();
}
//***********************************************************************************************
void COMXAudio::SetVolume(float fVolume)
{
CSingleLock lock (m_critSection);
m_CurrentVolume = fVolume;
if (m_settings_changed)
ApplyVolume();
}
float COMXAudio::GetVolume()
{
return m_Mute ? VOLUME_MINIMUM : m_CurrentVolume;
}
//***********************************************************************************************
bool COMXAudio::ApplyVolume(void)
{
float m_ac3Gain = 12.0f;
bool m_boostcentre = false;
CSingleLock lock (m_critSection);
if(!m_Initialized || m_Passthrough)
return false;
float fVolume = m_Mute ? VOLUME_MINIMUM : m_CurrentVolume;
// the analogue volume is too quiet for some. Allow use of an advancedsetting to boost this (at risk of distortion) (deprecated)
double gain = pow(10, (m_ac3Gain - 12.0f) / 20.0);
double r = 1.0;
const float* coeff = downmixing_coefficients_8;
// alternate coffeciciants that boost centre channel more
if(m_boostcentre)
coeff = downmixing_coefficients_8_boostcentre;
// normally we normalise the levels, can be skipped (boosted) at risk of distortion
if(!m_normalize_downmix)
{
double sum_L = 0;
double sum_R = 0;
for(size_t i = 0; i < OMX_AUDIO_MAXCHANNELS; ++i)
{
if (m_input_channels[i] == OMX_AUDIO_ChannelMax)
break;
if(i & 1)
sum_R += coeff[i];
else
sum_L += coeff[i];
}
r /= max(sum_L, sum_R);
}
r *= gain;
OMX_CONFIG_BRCMAUDIODOWNMIXCOEFFICIENTS mix;
OMX_INIT_STRUCTURE(mix);
OMX_ERRORTYPE omx_err;
assert(sizeof(mix.coeff)/sizeof(mix.coeff[0]) == 16);
// reduce scaling so overflow can be seen
for(size_t i = 0; i < 16; ++i)
mix.coeff[i] = static_cast<unsigned int>(0x10000 * (coeff[i] * r * 0.01f));
mix.nPortIndex = m_omx_decoder.GetInputPort();
omx_err = m_omx_decoder.SetConfig(OMX_IndexConfigBrcmAudioDownmixCoefficients, &mix);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - error setting decoder OMX_IndexConfigBrcmAudioDownmixCoefficients, error 0x%08x\n",
CLASSNAME, __func__, omx_err);
return false;
}
if (m_amplification != 1.0)
{
for(size_t i = 0; i < 16; ++i)
mix.coeff[i] = static_cast<unsigned int>(0x10000 * (coeff[i] * r * fVolume * m_amplification * m_attenuation));
mix.nPortIndex = m_omx_mixer.GetInputPort();
omx_err = m_omx_mixer.SetConfig(OMX_IndexConfigBrcmAudioDownmixCoefficients, &mix);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - error setting mixer OMX_IndexConfigBrcmAudioDownmixCoefficients, error 0x%08x\n",
CLASSNAME, __func__, omx_err);
return false;
}
}
CLog::Log(LOGINFO, "%s::%s - Volume=%.2f (* %.2f * %.2f)\n", CLASSNAME, __func__, fVolume, m_amplification, m_attenuation);
return true;
}
//***********************************************************************************************
unsigned int COMXAudio::AddPackets(const void* data, unsigned int len)
{
return AddPackets(data, len, 0, 0);
}
//***********************************************************************************************
unsigned int COMXAudio::AddPackets(const void* data, unsigned int len, double dts, double pts)
{
CSingleLock lock (m_critSection);
if(!m_Initialized)
{
CLog::Log(LOGERROR,"COMXAudio::AddPackets - sanity failed. no valid play handle!");
return len;
}
if(m_eEncoding == OMX_AUDIO_CodingDTS && m_LostSync && (m_Passthrough || m_HWDecode))
{
int skip = SyncDTS((uint8_t *)data, len);
if(skip > 0)
return len;
}
if(m_eEncoding == OMX_AUDIO_CodingDDP && m_LostSync && (m_Passthrough || m_HWDecode))
{
int skip = SyncAC3((uint8_t *)data, len);
if(skip > 0)
return len;
}
unsigned pitch = (m_Passthrough || m_HWDecode) ? 1:(m_BitsPerSample >> 3) * m_InputChannels;
unsigned int demuxer_samples = len / pitch;
unsigned int demuxer_samples_sent = 0;
uint8_t *demuxer_content = (uint8_t *)data;
OMX_ERRORTYPE omx_err;
OMX_BUFFERHEADERTYPE *omx_buffer = NULL;
while(demuxer_samples_sent < demuxer_samples)
{
// 200ms timeout
omx_buffer = m_omx_decoder.GetInputBuffer(200);
if(omx_buffer == NULL)
{
CLog::Log(LOGERROR, "COMXAudio::Decode timeout\n");
printf("COMXAudio::Decode timeout\n");
return len;
}
omx_buffer->nOffset = 0;
omx_buffer->nFlags = 0;
unsigned int remaining = demuxer_samples-demuxer_samples_sent;
unsigned int samples_space = omx_buffer->nAllocLen/pitch;
unsigned int samples = std::min(remaining, samples_space);
omx_buffer->nFilledLen = samples * pitch;
if (samples < demuxer_samples && m_BitsPerSample==32 && !(m_Passthrough || m_HWDecode))
{
uint8_t *dst = omx_buffer->pBuffer;
uint8_t *src = demuxer_content + demuxer_samples_sent * (m_BitsPerSample >> 3);
// we need to extract samples from planar audio, so the copying needs to be done per plane
for (int i=0; i<(int)m_InputChannels; i++)
{
memcpy(dst, src, omx_buffer->nFilledLen / m_InputChannels);
dst += omx_buffer->nFilledLen / m_InputChannels;
src += demuxer_samples * (m_BitsPerSample >> 3);
}
assert(dst <= omx_buffer->pBuffer + m_ChunkLen);
}
else
{
uint8_t *dst = omx_buffer->pBuffer;
uint8_t *src = demuxer_content + demuxer_samples_sent * pitch;
memcpy(dst, src, omx_buffer->nFilledLen);
}
uint64_t val = (uint64_t)(pts == DVD_NOPTS_VALUE) ? 0 : pts;
if(m_setStartTime)
{
omx_buffer->nFlags = OMX_BUFFERFLAG_STARTTIME;
if(pts == DVD_NOPTS_VALUE)
omx_buffer->nFlags |= OMX_BUFFERFLAG_TIME_UNKNOWN;
m_last_pts = pts;
CLog::Log(LOGDEBUG, "COMXAudio::Decode ADec : setStartTime %f\n", (float)val / DVD_TIME_BASE);
m_setStartTime = false;
}
else
{
if(pts == DVD_NOPTS_VALUE)
{
omx_buffer->nFlags = OMX_BUFFERFLAG_TIME_UNKNOWN;
m_last_pts = pts;
}
else if (m_last_pts != pts)
{
if(pts > m_last_pts)
m_last_pts = pts;
else
omx_buffer->nFlags = OMX_BUFFERFLAG_TIME_UNKNOWN;;
}
else if (m_last_pts == pts)
{
omx_buffer->nFlags = OMX_BUFFERFLAG_TIME_UNKNOWN;
}
}
omx_buffer->nTimeStamp = ToOMXTime(val);
demuxer_samples_sent += samples;
if(demuxer_samples_sent == demuxer_samples)
omx_buffer->nFlags |= OMX_BUFFERFLAG_ENDOFFRAME;
int nRetry = 0;
while(true)
{
omx_err = m_omx_decoder.EmptyThisBuffer(omx_buffer);
if (omx_err == OMX_ErrorNone)
{
//CLog::Log(LOGINFO, "AudiD: dts:%.0f pts:%.0f size:%d\n", dts, pts, len);
break;
}
else
{
CLog::Log(LOGERROR, "%s::%s - OMX_EmptyThisBuffer() failed with result(0x%x)\n", CLASSNAME, __func__, omx_err);
nRetry++;
}
if(nRetry == 5)
{
CLog::Log(LOGERROR, "%s::%s - OMX_EmptyThisBuffer() finaly failed\n", CLASSNAME, __func__);
printf("%s::%s - OMX_EmptyThisBuffer() finaly failed\n", CLASSNAME, __func__);
return 0;
}
}
omx_err = m_omx_decoder.WaitForEvent(OMX_EventPortSettingsChanged, 0);
if (omx_err == OMX_ErrorNone)
{
if(!PortSettingsChanged())
{
CLog::Log(LOGERROR, "%s::%s - error PortSettingsChanged omx_err(0x%08x)\n", CLASSNAME, __func__, omx_err);
}
}
}
if (m_amplification != 1.0)
{
double level_pts = 0.0;
float level = GetMaxLevel(level_pts);
if (level_pts != 0.0)
{
float m_limiterHold = 0.025f;
float m_limiterRelease = 0.100f;
float alpha_h = -1.0f/(0.025f*log10f(0.999f));
float alpha_r = -1.0f/(0.100f*log10f(0.900f));
float hold = powf(10.0f, -1.0f / (alpha_h * m_limiterHold));
float release = powf(10.0f, -1.0f / (alpha_r * m_limiterRelease));
m_maxLevel = level > m_maxLevel ? level : hold * m_maxLevel + (1.0f-hold) * level;
m_avgLevel = 0.9f * m_avgLevel + 0.1f * level;
float amp = m_amplification * m_desired_attenuation;
// want m_maxLevel * amp -> 1.0
m_desired_attenuation = std::min(1.0f, std::max(m_desired_attenuation / (amp * m_maxLevel), 1.0f/m_amplification));
m_attenuation = release * m_attenuation + (1.0f-release) * m_desired_attenuation;
ApplyVolume();
}
}
return len;
}
//***********************************************************************************************
unsigned int COMXAudio::GetSpace()
{
int free = m_omx_decoder.GetInputBufferSpace();
return free;
}
float COMXAudio::GetDelay()
{
unsigned int free = m_omx_decoder.GetInputBufferSize() - m_omx_decoder.GetInputBufferSpace();
return m_BytesPerSec ? (float)free / (float)m_BytesPerSec : 0.0f;
}
float COMXAudio::GetCacheTime()
{
float fBufferLenFull = (float)m_BufferLen - (float)GetSpace();
if(fBufferLenFull < 0)
fBufferLenFull = 0;
float ret = m_BytesPerSec ? fBufferLenFull / (float)m_BytesPerSec : 0.0f;
return ret;
}
float COMXAudio::GetCacheTotal()
{
return m_BytesPerSec ? (float)m_BufferLen / (float)m_BytesPerSec : 0.0f;
}
//***********************************************************************************************
unsigned int COMXAudio::GetChunkLen()
{
return m_ChunkLen;
}
unsigned int COMXAudio::GetAudioRenderingLatency()
{
CSingleLock lock (m_critSection);
if(!m_Initialized)
return 0;
OMX_PARAM_U32TYPE param;
OMX_INIT_STRUCTURE(param);
param.nPortIndex = m_omx_render.GetInputPort();
OMX_ERRORTYPE omx_err =
m_omx_render.GetConfig(OMX_IndexConfigAudioRenderingLatency, ¶m);
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "%s::%s - error getting OMX_IndexConfigAudioRenderingLatency error 0x%08x\n",
CLASSNAME, __func__, omx_err);
return 0;
}
return param.nU32;
}