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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.
*/
#include "OMXAudio.h"
#include "utils/log.h"
#include "OMXClock.h"
#include <assert.h>
#include <algorithm>
extern "C" {
#include <libavutil/channel_layout.h>
}
#define CLASSNAME "COMXAudio"
#ifndef VOLUME_MINIMUM
#define VOLUME_MINIMUM 0
#endif
using namespace std;
// the size of the audio_render output port buffers
#define AUDIO_DECODE_OUTPUT_BUFFER (32*1024)
static const char rounded_up_channels_shift[] = {0,0,1,2,2,3,3,3,3};
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_config.passthrough)
{
if(!m_omx_mixer.Initialize("OMX.broadcom.audio_mixer", OMX_IndexParamAudioInit))
return false;
}
if(m_config.device == "omx:both")
{
if(!m_omx_splitter.Initialize("OMX.broadcom.audio_splitter", OMX_IndexParamAudioInit))
return false;
}
if (m_config.device == "omx:both" || m_config.device == "omx:local")
{
if(!m_omx_render_analog.Initialize("OMX.broadcom.audio_render", OMX_IndexParamAudioInit))
return false;
}
if (m_config.device == "omx:both" || m_config.device == "omx:hdmi")
{
if(!m_omx_render_hdmi.Initialize("OMX.broadcom.audio_render", OMX_IndexParamAudioInit))
return false;
}
if (m_config.device == "omx:alsa")
{
if(!m_omx_render_analog.Initialize("OMX.alsa.audio_render", OMX_IndexParamAudioInit))
return false;
}
UpdateAttenuation();
if( m_omx_mixer.IsInitialized() )
{
/* 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)
{
CLogLog(LOGERROR, "%s::%s - error m_omx_decoder GetParameter omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
memcpy(m_pcm_output.eChannelMapping, m_output_channels, sizeof(m_output_channels));
// round up to power of 2
m_pcm_output.nChannels = m_OutputChannels > 4 ? 8 : m_OutputChannels > 2 ? 4 : m_OutputChannels;
/* limit samplerate (through resampling) if requested */
m_pcm_output.nSamplingRate = std::min(std::max((int)m_pcm_output.nSamplingRate, 8000), 192000);
m_pcm_output.nPortIndex = m_omx_mixer.GetOutputPort();
omx_err = m_omx_mixer.SetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error m_omx_mixer SetParameter omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
CLogLog(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, "output");
if( m_omx_splitter.IsInitialized() )
{
m_pcm_output.nPortIndex = m_omx_splitter.GetInputPort();
omx_err = m_omx_splitter.SetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error m_omx_splitter SetParameter omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
m_pcm_output.nPortIndex = m_omx_splitter.GetOutputPort();
omx_err = m_omx_splitter.SetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error m_omx_splitter SetParameter omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
m_pcm_output.nPortIndex = m_omx_splitter.GetOutputPort() + 1;
omx_err = m_omx_splitter.SetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error m_omx_splitter SetParameter omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_render_analog.IsInitialized() )
{
m_pcm_output.nPortIndex = m_omx_render_analog.GetInputPort();
omx_err = m_omx_render_analog.SetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error m_omx_render_analog SetParameter omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_render_hdmi.IsInitialized() )
{
m_pcm_output.nPortIndex = m_omx_render_hdmi.GetInputPort();
omx_err = m_omx_render_hdmi.SetParameter(OMX_IndexParamAudioPcm, &m_pcm_output);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error m_omx_render_hdmi SetParameter omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
}
if( m_omx_render_analog.IsInitialized() )
{
m_omx_tunnel_clock_analog.Initialize(m_omx_clock, m_omx_clock->GetInputPort(),
&m_omx_render_analog, m_omx_render_analog.GetInputPort()+1);
omx_err = m_omx_tunnel_clock_analog.Establish();
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_tunnel_clock_analog.Establish omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
m_omx_render_analog.ResetEos();
}
if( m_omx_render_hdmi.IsInitialized() )
{
m_omx_tunnel_clock_hdmi.Initialize(m_omx_clock, m_omx_clock->GetInputPort() + (m_omx_render_analog.IsInitialized() ? 2 : 0),
&m_omx_render_hdmi, m_omx_render_hdmi.GetInputPort()+1);
omx_err = m_omx_tunnel_clock_hdmi.Establish();
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_tunnel_clock_hdmi.Establish omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
m_omx_render_hdmi.ResetEos();
}
if( m_omx_render_analog.IsInitialized() )
{
// 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
// when in dual audio mode, make analogue the slave
OMX_CONFIG_BOOLEANTYPE configBool;
OMX_INIT_STRUCTURE(configBool);
configBool.bEnabled = m_config.is_live || m_config.device == "omx:both" ? OMX_FALSE:OMX_TRUE;
omx_err = m_omx_render_analog.SetConfig(OMX_IndexConfigBrcmClockReferenceSource, &configBool);
if (omx_err != OMX_ErrorNone)
return false;
OMX_CONFIG_BRCMAUDIODESTINATIONTYPE audioDest;
OMX_INIT_STRUCTURE(audioDest);
strncpy((char *)audioDest.sName, m_config.device == "omx:alsa" ? m_config.subdevice.c_str() : "local", sizeof(audioDest.sName));
omx_err = m_omx_render_analog.SetConfig(OMX_IndexConfigBrcmAudioDestination, &audioDest);
if (omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_render_analog.SetConfig omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_render_hdmi.IsInitialized() )
{
// 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
OMX_CONFIG_BOOLEANTYPE configBool;
OMX_INIT_STRUCTURE(configBool);
configBool.bEnabled = m_config.is_live ? OMX_FALSE:OMX_TRUE;
omx_err = m_omx_render_hdmi.SetConfig(OMX_IndexConfigBrcmClockReferenceSource, &configBool);
if (omx_err != OMX_ErrorNone)
return false;
OMX_CONFIG_BRCMAUDIODESTINATIONTYPE audioDest;
OMX_INIT_STRUCTURE(audioDest);
strcpy((char *)audioDest.sName, "hdmi");
omx_err = m_omx_render_hdmi.SetConfig(OMX_IndexConfigBrcmAudioDestination, &audioDest);
if (omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_render_hdmi.SetConfig omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_splitter.IsInitialized() )
{
m_omx_tunnel_splitter_analog.Initialize(&m_omx_splitter, m_omx_splitter.GetOutputPort(), &m_omx_render_analog, m_omx_render_analog.GetInputPort());
omx_err = m_omx_tunnel_splitter_analog.Establish();
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "COMXAudio::Initialize - Error m_omx_tunnel_splitter_analog.Establish 0x%08x", omx_err);
return false;
}
m_omx_tunnel_splitter_hdmi.Initialize(&m_omx_splitter, m_omx_splitter.GetOutputPort() + 1, &m_omx_render_hdmi, m_omx_render_hdmi.GetInputPort());
omx_err = m_omx_tunnel_splitter_hdmi.Establish();
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "COMXAudio::Initialize - Error m_omx_tunnel_splitter_hdmi.Establish 0x%08x", omx_err);
return false;
}
}
if( m_omx_mixer.IsInitialized() )
{
m_omx_tunnel_decoder.Initialize(&m_omx_decoder, m_omx_decoder.GetOutputPort(), &m_omx_mixer, m_omx_mixer.GetInputPort());
if( m_omx_splitter.IsInitialized() )
{
m_omx_tunnel_mixer.Initialize(&m_omx_mixer, m_omx_mixer.GetOutputPort(), &m_omx_splitter, m_omx_splitter.GetInputPort());
}
else
{
if( m_omx_render_analog.IsInitialized() )
{
m_omx_tunnel_mixer.Initialize(&m_omx_mixer, m_omx_mixer.GetOutputPort(), &m_omx_render_analog, m_omx_render_analog.GetInputPort());
}
if( m_omx_render_hdmi.IsInitialized() )
{
m_omx_tunnel_mixer.Initialize(&m_omx_mixer, m_omx_mixer.GetOutputPort(), &m_omx_render_hdmi, m_omx_render_hdmi.GetInputPort());
}
}
CLogLog(LOGDEBUG, "%s::%s - bits:%d mode:%d channels:%d srate:%d nopassthrough", CLASSNAME, __func__,
(int)m_pcm_input.nBitPerSample, m_pcm_input.ePCMMode, (int)m_pcm_input.nChannels, (int)m_pcm_input.nSamplingRate);
}
else
{
if( m_omx_render_analog.IsInitialized() )
{
m_omx_tunnel_decoder.Initialize(&m_omx_decoder, m_omx_decoder.GetOutputPort(), &m_omx_render_analog, m_omx_render_analog.GetInputPort());
}
else if( m_omx_render_hdmi.IsInitialized() )
{
m_omx_tunnel_decoder.Initialize(&m_omx_decoder, m_omx_decoder.GetOutputPort(), &m_omx_render_hdmi, m_omx_render_hdmi.GetInputPort());
}
CLogLog(LOGDEBUG, "%s::%s - bits:%d mode:%d channels:%d srate:%d passthrough", CLASSNAME, __func__,
0, 0, 0, 0);
}
omx_err = m_omx_tunnel_decoder.Establish();
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_tunnel_decoder.Establish omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
if( m_omx_mixer.IsInitialized() )
{
omx_err = m_omx_mixer.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone) {
CLogLog(LOGERROR, "%s::%s - m_omx_mixer OMX_StateExecuting omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_mixer.IsInitialized() )
{
omx_err = m_omx_tunnel_mixer.Establish();
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_tunnel_decoder.Establish omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_splitter.IsInitialized() )
{
omx_err = m_omx_splitter.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_splitter OMX_StateExecuting 0x%08x", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_render_analog.IsInitialized() )
{
omx_err = m_omx_render_analog.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_render_analog OMX_StateExecuting omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
if( m_omx_render_hdmi.IsInitialized() )
{
omx_err = m_omx_render_hdmi.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - m_omx_render_hdmi OMX_StateExecuting omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
return false;
}
}
m_settings_changed = true;
return true;
}
static unsigned count_bits(uint64_t value)
{
unsigned bits = 0;
for(;value;++bits)
value &= value - 1;
return bits;
}
COMXAudio::COMXAudio(OMXClock *clock, const OMXAudioConfig &config, uint64_t channelMap, unsigned int uiBitsPerSample)
:
m_CurrentVolume (0 ),
m_Mute (false ),
m_BitsPerSample (uiBitsPerSample),
m_amplification (1.0f ),
m_attenuation (1.0f ),
m_submitted (0.0f ),
m_eEncoding (OMX_AUDIO_CodingPCM),
m_config (config)
{
CSingleLock lock (m_critSection);
OMX_ERRORTYPE omx_err;
m_InputChannels = count_bits(channelMap);
if(m_InputChannels == 0)
throw "COMXAudio Error: No input channels";
if(m_config.hints.samplerate == 0)
throw "COMXAudio Error: invalid samplerate";
m_av_clock = clock;
if(!m_av_clock)
throw "COMXAudio Error: bad clock";
/* passthrough overwrites hw decode */
if(m_config.passthrough)
{
m_config.hwdecode = false;
}
else if(m_config.hwdecode)
{
/* check again if we are capable to hw decode the format */
m_config.hwdecode = CanHWDecode(m_config.hints.codec);
}
if(m_config.passthrough || m_config.hwdecode)
SetCodingType(m_config.hints.codec);
else
SetCodingType(AV_CODEC_ID_PCM_S16LE);
m_omx_clock = m_av_clock->GetOMXClock();
memset(m_input_channels, 0x0, sizeof(m_input_channels));
memset(m_output_channels, 0x0, sizeof(m_output_channels));
memset(&m_wave_header, 0x0, sizeof(m_wave_header));
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
if (!m_config.passthrough && channelMap)
{
enum PCMChannels inLayout[OMX_AUDIO_MAXCHANNELS];
enum PCMChannels outLayout[OMX_AUDIO_MAXCHANNELS];
// force out layout to stereo if input is not multichannel - it gives the receiver a chance to upmix
if (channelMap == (AV_CH_FRONT_LEFT | AV_CH_FRONT_RIGHT) || channelMap == AV_CH_FRONT_CENTER)
m_config.layout = PCM_LAYOUT_2_0;
BuildChannelMap(&inLayout[0], channelMap);
m_OutputChannels = BuildChannelMapCEA(&outLayout[0], GetChannelLayout(m_config.layout));
CPCMRemap m_remap(m_InputChannels, &inLayout[0], m_OutputChannels, &outLayout[0], m_config.layout, m_config.boostOnDownmix);
m_remap.GetDownmixMatrix(m_downmix_matrix);
m_wave_header.dwChannelMask = channelMap;
BuildChannelMapOMX(m_input_channels, channelMap);
BuildChannelMapOMX(m_output_channels, GetChannelLayout(m_config.layout));
}
m_BytesPerSec = m_config.hints.samplerate * 2 << rounded_up_channels_shift[m_InputChannels];
m_BufferLen = m_BytesPerSec * AUDIO_BUFFER_SECONDS;
unsigned int InputBytesPerSec = m_config.hints.samplerate * m_BitsPerSample * m_InputChannels >> 3;
m_InputBytesPerMicrosec = (float)InputBytesPerSec / AV_TIME_BASE;
// 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)
// 6 channel 32bpp float to 8 channel 16bpp in, so a full 48K input buffer will fit the output buffer
unsigned int chunkLen = AUDIO_DECODE_OUTPUT_BUFFER * (m_InputChannels * m_BitsPerSample) >> (rounded_up_channels_shift[m_InputChannels] + 4);
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_config.hints.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;
if(!m_omx_decoder.Initialize("OMX.broadcom.audio_decode", OMX_IndexParamAudioInit))
throw "COMXAudio Error: decoder init error";
OMX_CONFIG_BOOLEANTYPE boolType;
OMX_INIT_STRUCTURE(boolType);
boolType.bEnabled = m_config.passthrough ? OMX_TRUE : OMX_FALSE;
omx_err = m_omx_decoder.SetParameter(OMX_IndexParamBrcmDecoderPassThrough, &boolType);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "COMXAudio::Initialize - Error OMX_IndexParamBrcmDecoderPassThrough 0x%08x", omx_err);
printf("OMX_IndexParamBrcmDecoderPassThrough omx_err(0x%08x)\n", omx_err);
throw "COMXAudio Error: OMX_IndexParamBrcmDecoderPassThrough error";
}
// 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)
{
CLogLog(LOGERROR, "COMXAudio::Initialize error get OMX_IndexParamPortDefinition (input) omx_err(0x%08x)", omx_err);
throw "COMXAudio Error: nPortIndex error";
}
port_param.format.audio.eEncoding = m_eEncoding;
port_param.nBufferSize = 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)
{
CLogLog(LOGERROR, "COMXAudio::Initialize error set OMX_IndexParamPortDefinition (intput) omx_err(0x%08x)", omx_err);
throw "COMXAudio Error: nBufferCountActual error";
}
// 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)
{
CLogLog(LOGERROR, "COMXAudio::Initialize error get OMX_IndexParamPortDefinition (output) omx_err(0x%08x)", omx_err);
throw "COMXAudio Error: nPortIndex error";
}
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)
{
CLogLog(LOGERROR, "COMXAudio::Initialize error set OMX_IndexParamPortDefinition (output) omx_err(0x%08x)", omx_err);
throw "COMXAudio Error: nBufferCountActual error";
}
{
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)
{
CLogLog(LOGERROR, "COMXAudio::Initialize error OMX_IndexParamAudioPortFormat omx_err(0x%08x)", omx_err);
throw "COMXAudio Error: formatType error";
}
}
omx_err = m_omx_decoder.AllocInputBuffers();
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "COMXAudio::Initialize - Error alloc buffers 0x%08x", omx_err);
throw "COMXAudio Error: AllocInputBuffers error";
}
omx_err = m_omx_decoder.SetStateForComponent(OMX_StateExecuting);
if(omx_err != OMX_ErrorNone) {
CLogLog(LOGERROR, "COMXAudio::Initialize - Error setting OMX_StateExecuting 0x%08x", omx_err);
throw "COMXAudio Error: OMX_StateExecuting error";
}
if(m_eEncoding == OMX_AUDIO_CodingPCM)
{
OMX_BUFFERHEADERTYPE *omx_buffer = m_omx_decoder.GetInputBuffer();
if(omx_buffer == NULL)
{
CLogLog(LOGERROR, "COMXAudio::Initialize - buffer error 0x%08x", omx_err);
throw "COMXAudio Error: buffer error";
}
omx_buffer->nOffset = 0;
omx_buffer->nFilledLen = std::min(sizeof(m_wave_header), omx_buffer->nAllocLen);
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)
{
CLogLog(LOGERROR, "%s::%s - OMX_EmptyThisBuffer() failed with result(0x%x)", CLASSNAME, __func__, omx_err);
m_omx_decoder.DecoderEmptyBufferDone(m_omx_decoder.GetComponent(), omx_buffer);
throw "COMXAudio Error: OMX_EmptyThisBuffer error";
}
}
else if(m_config.hwdecode)
{
// send decoder config
if(m_config.hints.extrasize > 0 && m_config.hints.extradata != NULL)
{
OMX_BUFFERHEADERTYPE *omx_buffer = m_omx_decoder.GetInputBuffer();
if(omx_buffer == NULL)
{
CLogLog(LOGERROR, "%s::%s - buffer error 0x%08x", CLASSNAME, __func__, omx_err);
throw "COMXAudio Error: GetInputBuffer error";
}
omx_buffer->nOffset = 0;
omx_buffer->nFilledLen = std::min((OMX_U32)m_config.hints.extrasize, omx_buffer->nAllocLen);
memset((unsigned char *)omx_buffer->pBuffer, 0x0, omx_buffer->nAllocLen);
memcpy((unsigned char *)omx_buffer->pBuffer, m_config.hints.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)
{
CLogLog(LOGERROR, "%s::%s - OMX_EmptyThisBuffer() failed with result(0x%x)", CLASSNAME, __func__, omx_err);
m_omx_decoder.DecoderEmptyBufferDone(m_omx_decoder.GetComponent(), omx_buffer);
throw "COMXAudio Error: EmptyThisBuffer error";
}
}
}
/* return on decoder error so m_Initialized stays false */
if(m_omx_decoder.BadState())
throw "COMXAudio Error: BadState";
OMX_INIT_STRUCTURE(m_pcm_input);
m_pcm_input.nPortIndex = m_omx_decoder.GetInputPort();
memcpy(m_pcm_input.eChannelMapping, m_input_channels, sizeof(m_input_channels));
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_config.hints.samplerate;
m_settings_changed = false;
m_setStartTime = true;
m_submitted_eos = false;
m_failed_eos = false;
m_last_pts = AV_NOPTS_VALUE;
m_submitted = 0.0f;
m_maxLevel = 0.0f;
CLogLog(LOGDEBUG, "COMXAudio::Initialize Input bps %d samplerate %d channels %d buffer size %d bytes per microsecond %d",
(int)m_pcm_input.nBitPerSample, (int)m_pcm_input.nSamplingRate, (int)m_pcm_input.nChannels, m_BufferLen, (int)((float)m_InputBytesPerMicrosec * (float)AV_TIME_BASE));
PrintPCM(&m_pcm_input, "input");
CLogLog(LOGDEBUG, "COMXAudio::Initialize device %s passthrough %d hwdecode %d",
m_config.device.c_str(), m_config.passthrough, m_config.hwdecode);
}
//***********************************************************************************************
COMXAudio::~COMXAudio()
{
CSingleLock lock (m_critSection);
if ( m_omx_tunnel_clock_analog.IsInitialized() )
m_omx_tunnel_clock_analog.Deestablish();
if ( m_omx_tunnel_clock_hdmi.IsInitialized() )
m_omx_tunnel_clock_hdmi.Deestablish();
// ignore expected errors on teardown
if ( m_omx_mixer.IsInitialized() )
m_omx_mixer.IgnoreNextError(OMX_ErrorPortUnpopulated);
else
{
if ( m_omx_render_hdmi.IsInitialized() )
m_omx_render_hdmi.IgnoreNextError(OMX_ErrorPortUnpopulated);
if ( m_omx_render_analog.IsInitialized() )
m_omx_render_analog.IgnoreNextError(OMX_ErrorPortUnpopulated);
}
m_omx_tunnel_decoder.Deestablish();
if ( m_omx_tunnel_mixer.IsInitialized() )
m_omx_tunnel_mixer.Deestablish();
if ( m_omx_tunnel_splitter_hdmi.IsInitialized() )
m_omx_tunnel_splitter_hdmi.Deestablish();
if ( m_omx_tunnel_splitter_analog.IsInitialized() )
m_omx_tunnel_splitter_analog.Deestablish();
m_omx_decoder.FlushInput();
m_omx_decoder.Deinitialize();
if ( m_omx_mixer.IsInitialized() )
m_omx_mixer.Deinitialize();
if ( m_omx_splitter.IsInitialized() )
m_omx_splitter.Deinitialize();
if ( m_omx_render_hdmi.IsInitialized() )
m_omx_render_hdmi.Deinitialize();
if ( m_omx_render_analog.IsInitialized() )
m_omx_render_analog.Deinitialize();
}
void COMXAudio::Flush()
{
CSingleLock lock (m_critSection);
m_omx_decoder.FlushAll();
if ( m_omx_mixer.IsInitialized() )
m_omx_mixer.FlushAll();
if ( m_omx_splitter.IsInitialized() )
m_omx_splitter.FlushAll();
if ( m_omx_render_analog.IsInitialized() )
m_omx_render_analog.FlushAll();
if ( m_omx_render_hdmi.IsInitialized() )
m_omx_render_hdmi.FlushAll();
m_ampqueue.clear();
if( m_omx_render_analog.IsInitialized() )
m_omx_render_analog.ResetEos();
if( m_omx_render_hdmi.IsInitialized() )
m_omx_render_hdmi.ResetEos();
m_last_pts = AV_NOPTS_VALUE;
m_submitted = 0.0f;
m_maxLevel = 0.0f;
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)
UpdateAttenuation();
}
//***********************************************************************************************
void COMXAudio::SetMute(bool bMute)
{
CSingleLock lock (m_critSection);
m_Mute = bMute;
if (m_settings_changed)
UpdateAttenuation();
}
//***********************************************************************************************
void COMXAudio::SetVolume(float fVolume)
{
CSingleLock lock (m_critSection);
m_CurrentVolume = fVolume;
if (m_settings_changed)
UpdateAttenuation();
}
float COMXAudio::GetVolume()
{
return m_Mute ? VOLUME_MINIMUM : m_CurrentVolume;
}
//***********************************************************************************************
bool COMXAudio::ApplyVolume(void)
{
float m_ac3Gain = 12.0f;
CSingleLock lock (m_critSection);
if(m_config.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);
const float* coeff = m_downmix_matrix;
OMX_CONFIG_BRCMAUDIODOWNMIXCOEFFICIENTS8x8 mix;
OMX_INIT_STRUCTURE(mix);
OMX_ERRORTYPE omx_err;
assert(sizeof(mix.coeff)/sizeof(mix.coeff[0]) == 64);
if (m_amplification != 1.0)
{
// reduce scaling so overflow can be seen
for(size_t i = 0; i < 8*8; ++i)
mix.coeff[i] = static_cast<unsigned int>(0x10000 * (coeff[i] * gain * 0.01f));
mix.nPortIndex = m_omx_decoder.GetInputPort();
omx_err = m_omx_decoder.SetConfig(OMX_IndexConfigBrcmAudioDownmixCoefficients8x8, &mix);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error setting decoder OMX_IndexConfigBrcmAudioDownmixCoefficients, error 0x%08x",
CLASSNAME, __func__, omx_err);
return false;
}
}
for(size_t i = 0; i < 8*8; ++i)
mix.coeff[i] = static_cast<unsigned int>(0x10000 * (coeff[i] * gain * fVolume * m_amplification * m_attenuation));
mix.nPortIndex = m_omx_mixer.GetInputPort();
omx_err = m_omx_mixer.SetConfig(OMX_IndexConfigBrcmAudioDownmixCoefficients8x8, &mix);
if(omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - error setting mixer OMX_IndexConfigBrcmAudioDownmixCoefficients, error 0x%08x",
CLASSNAME, __func__, omx_err);
return false;
}
CLogLog(LOGINFO, "%s::%s - Volume=%.2f (* %.2f * %.2f)", CLASSNAME, __func__, fVolume, m_amplification, m_attenuation);
return true;
}
//***********************************************************************************************
bool COMXAudio::AddPackets(const void* data, unsigned int len, int64_t dts, int64_t pts, unsigned int frame_size)
{
CSingleLock lock (m_critSection);
unsigned pitch = (m_config.passthrough || m_config.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)
{
CLogLog(LOGERROR, "COMXAudio::Decode timeout");
puts("COMXAudio::Decode timeout");
return false;
}
omx_buffer->nOffset = 0;
omx_buffer->nFlags = 0;
// we want audio_decode output buffer size to be no more than AUDIO_DECODE_OUTPUT_BUFFER.
// it will be 16-bit and rounded up to next power of 2 in channels
unsigned int max_buffer = AUDIO_DECODE_OUTPUT_BUFFER * (m_InputChannels * m_BitsPerSample) >> (rounded_up_channels_shift[m_InputChannels] + 4);
unsigned int remaining = demuxer_samples-demuxer_samples_sent;
unsigned int samples_space = std::min(max_buffer, omx_buffer->nAllocLen)/pitch;
unsigned int samples = std::min(remaining, samples_space);
omx_buffer->nFilledLen = samples * pitch;
unsigned int frames = frame_size ? len/frame_size:0;
if ((samples < demuxer_samples || frames > 1) && m_BitsPerSample==32 && !(m_config.passthrough || m_config.hwdecode))
{
const unsigned int sample_pitch = m_BitsPerSample >> 3;
const unsigned int frame_samples = frame_size / pitch;
const unsigned int plane_size = frame_samples * sample_pitch;
const unsigned int out_plane_size = samples * sample_pitch;
//CLogLog(LOGDEBUG, "%s::%s samples:%d/%d ps:%d ops:%d fs:%d pitch:%d filled:%d frames=%d", CLASSNAME, __func__, samples, demuxer_samples, plane_size, out_plane_size, frame_size, pitch, omx_buffer
for (unsigned int sample = 0; sample < samples; )
{
unsigned int frame = (demuxer_samples_sent + sample) / frame_samples;
unsigned int sample_in_frame = (demuxer_samples_sent + sample) - frame * frame_samples;
int out_remaining = std::min(std::min(frame_samples - sample_in_frame, samples), samples-sample);
uint8_t *src = demuxer_content + frame*frame_size + sample_in_frame * sample_pitch;
uint8_t *dst = (uint8_t *)omx_buffer->pBuffer + sample * sample_pitch;
for (unsigned int channel = 0; channel < m_InputChannels; channel++)
{
//CLogLog(LOGDEBUG, "%s::%s copy(%d,%d,%d) (s:%d f:%d sin:%d c:%d)", CLASSNAME, __func__, dst-(uint8_t *)omx_buffer->pBuffer, src-demuxer_content, out_remaining, sample, frame, sample_in_frame
memcpy(dst, src, out_remaining * sample_pitch);
src += plane_size;
dst += out_plane_size;
}
sample += out_remaining;
}
}
else
{
uint8_t *dst = omx_buffer->pBuffer;
const uint8_t *src = demuxer_content + demuxer_samples_sent * pitch;
memcpy(dst, src, omx_buffer->nFilledLen);
}
int64_t val = pts == AV_NOPTS_VALUE ? 0 : pts;
if(m_setStartTime)
{
omx_buffer->nFlags = OMX_BUFFERFLAG_STARTTIME;
m_last_pts = pts;
CLogLog(LOGDEBUG, "COMXAudio::Decode ADec : setStartTime %f", (float)val / AV_TIME_BASE);
m_setStartTime = false;
}
else if(pts == AV_NOPTS_VALUE)
{
omx_buffer->nFlags = OMX_BUFFERFLAG_TIME_UNKNOWN;
m_last_pts = pts;
}
else if (pts > m_last_pts)
{
m_last_pts = pts;
}
else
{
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;
omx_err = m_omx_decoder.EmptyThisBuffer(omx_buffer);
if (omx_err != OMX_ErrorNone)
{
CLogLog(LOGERROR, "%s::%s - OMX_EmptyThisBuffer() failed with result(0x%x)", CLASSNAME, __func__, omx_err);
printf("%s::%s - OMX_EmptyThisBuffer() failed with result(0x%x)\n", CLASSNAME, __func__, omx_err);
m_omx_decoder.DecoderEmptyBufferDone(m_omx_decoder.GetComponent(), omx_buffer);
return false;
}
//CLogLog(LOGINFO, "AudiD: dts:%.0f pts:%.0f size:%d", dts, pts, len);
omx_err = m_omx_decoder.WaitForEvent(OMX_EventPortSettingsChanged, 0);
if (omx_err == OMX_ErrorNone)
{
if(!PortSettingsChanged())
{
CLogLog(LOGERROR, "%s::%s - error PortSettingsChanged omx_err(0x%08x)", CLASSNAME, __func__, omx_err);
}
}
}
m_submitted += (float)demuxer_samples / m_config.hints.samplerate;
UpdateAttenuation();
return true;
}
void COMXAudio::UpdateAttenuation()
{
if (m_amplification == 1.0)
{
ApplyVolume();
return;
}
int64_t level_pts = 0;
float level = GetMaxLevel(level_pts);
if (level_pts != 0)
{
m_ampqueue.emplace_back(level_pts, level);
}
int64_t stamp = m_av_clock->GetMediaTime();
// discard too old data
while(!m_ampqueue.empty())
{
const amplitudes_t &v = m_ampqueue.front();
/* we'll also consume if queue gets unexpectedly long to avoid filling memory */
if (v.pts == AV_NOPTS_VALUE || v.pts < stamp || v.pts - stamp > 15000000)
m_ampqueue.pop_front();
else break;
}
float maxlevel = 0.0f, imminent_maxlevel = 0.0f;
for(const amplitudes_t &v : m_ampqueue)
{
maxlevel = std::max(maxlevel, v.level);
// check for maximum volume in next 200ms
if (v.pts != AV_NOPTS_VALUE && v.pts < stamp + 200000)
imminent_maxlevel = std::max(imminent_maxlevel, v.level);
}
if (maxlevel != 0.0)
{
float m_limiterHold = 0.025f;
float m_limiterRelease = 0.100f;
// if we are going to clip imminently then deal with it now
if (imminent_maxlevel > m_maxLevel)
{
m_maxLevel = imminent_maxlevel;
// clip but not imminently can ramp up more slowly
}
else if (maxlevel > m_maxLevel)
{
float alpha_r = -1.0f/(0.100f*log10f(0.900f));
float attack = powf(10.0f, -1.0f / (alpha_r * m_limiterRelease));
m_maxLevel = attack * m_maxLevel + (1.0f-attack) * maxlevel;
// not clipping, decay more slowly
}
else
{
float alpha_h = -1.0f/(0.025f*log10f(0.999f));
float decay = powf(10.0f, -1.0f / (alpha_h * m_limiterHold));
m_maxLevel = decay * m_maxLevel + (1.0f-decay ) * maxlevel;
}
// want m_maxLevel * amp -> 1.0
float amp = m_amplification * m_attenuation;
// We fade in the attenuation over first couple of seconds
float start = std::min(std::max((m_submitted-1.0f), 0.0f), 1.0f);
float attenuation = std::min(1.0f, std::max(m_attenuation / (amp * m_maxLevel), 1.0f/m_amplification));
m_attenuation = (1.0f - start) * 1.0f/m_amplification + start * attenuation;
}
else
{
m_attenuation = 1.0f/m_amplification;
}
ApplyVolume();
}
//***********************************************************************************************
unsigned int COMXAudio::GetSpace()
{
int free = m_omx_decoder.GetInputBufferSpace();
return free;
}
int64_t COMXAudio::GetDelay()
{
CSingleLock lock (m_critSection);
int64_t stamp = AV_NOPTS_VALUE;
if (m_last_pts != AV_NOPTS_VALUE && m_av_clock)
stamp = m_av_clock->GetMediaTime();
// if possible the delay is current media time - time of last submitted packet
if (stamp != AV_NOPTS_VALUE)
{
return stamp - m_last_pts;
}
else // just measure the input fifo
{
unsigned int used = m_omx_decoder.GetInputBufferSize() - m_omx_decoder.GetInputBufferSpace();
return m_InputBytesPerMicrosec ? (float)used / (float)m_InputBytesPerMicrosec : 0.0f;
}
}