From e7b06c4b734a9978243751e3f44afa8b2faa21ff Mon Sep 17 00:00:00 2001 From: trialuser02 Date: Tue, 18 Apr 2017 19:56:55 +0000 Subject: implemented latency() function for DirectSound and WavOut output plugins git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@7123 90c681e8-e032-0410-971d-27865f9a5e38 --- src/plugins/Output/waveout/outputwaveout.cpp | 20 +++++++++++++++----- src/plugins/Output/waveout/outputwaveout.h | 4 +++- src/plugins/Output/waveout/outputwaveoutfactory.cpp | 2 +- src/plugins/Output/waveout/outputwaveoutfactory.h | 2 +- 4 files changed, 20 insertions(+), 8 deletions(-) (limited to 'src/plugins/Output/waveout') diff --git a/src/plugins/Output/waveout/outputwaveout.cpp b/src/plugins/Output/waveout/outputwaveout.cpp index 6b26608b1..7a8b24d4b 100644 --- a/src/plugins/Output/waveout/outputwaveout.cpp +++ b/src/plugins/Output/waveout/outputwaveout.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2009-2013 by Ilya Kotov * + * Copyright (C) 2009-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * @@ -75,8 +75,8 @@ free_memory (void) OutputWaveOut::OutputWaveOut() : Output() { - //m_connection = 0; - //m_dev = 0; + m_totalWritten = 0; + m_frameSize = 0; } OutputWaveOut::~OutputWaveOut() @@ -87,6 +87,7 @@ OutputWaveOut::~OutputWaveOut() bool OutputWaveOut::initialize(quint32 freq, ChannelMap map, Qmmp::AudioFormat format) { Q_UNUSED(format); + m_totalWritten = 0; if (!waveOutGetNumDevs ()) { qWarning("OutputWaveOut: no audio device found"); @@ -132,14 +133,20 @@ bool OutputWaveOut::initialize(quint32 freq, ChannelMap map, Qmmp::AudioFormat f waveOutReset (dev); InitializeCriticalSection (&cs); configure(freq, map, Qmmp::PCM_S16LE); - + m_frameSize = channels() * sampleSize(); return true; } qint64 OutputWaveOut::latency() { - return 0; + MMTIME mmtime; + mmtime.wType = TIME_SAMPLES; + + if(waveOutGetPosition(dev, &mmtime, sizeof(MMTIME)) != MMSYSERR_NOERROR) + return 0; + + return (m_totalWritten / m_frameSize - mmtime.u.sample) * 1000 / sampleRate(); } qint64 OutputWaveOut::writeAudio(unsigned char *data, qint64 len) @@ -194,6 +201,7 @@ qint64 OutputWaveOut::writeAudio(unsigned char *data, qint64 len) ScheduledBlocks++; LeaveCriticalSection (&cs); + m_totalWritten += len; return len; } @@ -220,6 +228,7 @@ void OutputWaveOut::reset() while (PlayedWaveHeadersCount > 0) // free used blocks ... free_memory (); waveOutReset (dev); + m_totalWritten = 0; } void OutputWaveOut::uninitialize() @@ -239,6 +248,7 @@ void OutputWaveOut::uninitialize() } DeleteCriticalSection (&cs); + m_totalWritten = 0; return; } diff --git a/src/plugins/Output/waveout/outputwaveout.h b/src/plugins/Output/waveout/outputwaveout.h index 688d4ed45..18dbc7126 100644 --- a/src/plugins/Output/waveout/outputwaveout.h +++ b/src/plugins/Output/waveout/outputwaveout.h @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2009-2014 by Ilya Kotov * + * Copyright (C) 2009-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * @@ -49,6 +49,8 @@ private: // helper functions void status(); void uninitialize(); + qint64 m_totalWritten; + qint32 m_frameSize; }; class VolumeWaveOut : public Volume diff --git a/src/plugins/Output/waveout/outputwaveoutfactory.cpp b/src/plugins/Output/waveout/outputwaveoutfactory.cpp index 102d9cc21..d3861a077 100644 --- a/src/plugins/Output/waveout/outputwaveoutfactory.cpp +++ b/src/plugins/Output/waveout/outputwaveoutfactory.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2009-2016 by Ilya Kotov * + * Copyright (C) 2009-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * diff --git a/src/plugins/Output/waveout/outputwaveoutfactory.h b/src/plugins/Output/waveout/outputwaveoutfactory.h index f7654dbe1..82d8529a6 100644 --- a/src/plugins/Output/waveout/outputwaveoutfactory.h +++ b/src/plugins/Output/waveout/outputwaveoutfactory.h @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2009-2014 by Ilya Kotov * + * Copyright (C) 2009-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * -- cgit v1.2.3-13-gbd6f