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/directsound/outputdirectsound.cpp | 10 ++++++++-- src/plugins/Output/directsound/outputdirectsound.h | 4 +++- src/plugins/Output/directsound/outputdirectsoundfactory.cpp | 2 +- src/plugins/Output/directsound/outputdirectsoundfactory.h | 2 +- 4 files changed, 13 insertions(+), 5 deletions(-) (limited to 'src/plugins/Output/directsound') diff --git a/src/plugins/Output/directsound/outputdirectsound.cpp b/src/plugins/Output/directsound/outputdirectsound.cpp index bd9281ca3..2d84ad5ba 100644 --- a/src/plugins/Output/directsound/outputdirectsound.cpp +++ b/src/plugins/Output/directsound/outputdirectsound.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2014-2016 by Ilya Kotov * + * Copyright (C) 2014-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * @@ -50,6 +50,8 @@ OutputDirectSound::OutputDirectSound() : Output() m_primaryBuffer = 0; m_dsBuffer = 0; m_dsBufferAt = 0; + m_latency = 0; + m_bytesPerSecond = 0; instance = this; } @@ -61,8 +63,10 @@ OutputDirectSound::~OutputDirectSound() bool OutputDirectSound::initialize(quint32 freq, ChannelMap map, Qmmp::AudioFormat format) { + m_latency = 0; DSBUFFERDESC bufferDesc; + HRESULT result = DirectSoundCreate8(0, &m_ds, 0); if(result != DS_OK) { @@ -178,13 +182,14 @@ bool OutputDirectSound::initialize(quint32 freq, ChannelMap map, Qmmp::AudioForm configure(freq, out_map, format); if(volumeControl) volumeControl->restore(); + m_bytesPerSecond = (sampleRate() * sampleSize() * channels()); return true; } qint64 OutputDirectSound::latency() { - return 0; + return m_latency; } qint64 OutputDirectSound::writeAudio(unsigned char *data, qint64 len) @@ -193,6 +198,7 @@ qint64 OutputDirectSound::writeAudio(unsigned char *data, qint64 len) DWORD size = 0, size2 = 0; DWORD available = bytesToWrite(); //available bytes + m_latency = (DS_BUFSIZE - available) * 1000 / m_bytesPerSecond; if(available < 128) { usleep(5000); diff --git a/src/plugins/Output/directsound/outputdirectsound.h b/src/plugins/Output/directsound/outputdirectsound.h index 46d2a0b21..295073a18 100644 --- a/src/plugins/Output/directsound/outputdirectsound.h +++ b/src/plugins/Output/directsound/outputdirectsound.h @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2014-2016 by Ilya Kotov * + * Copyright (C) 2014-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * @@ -74,6 +74,8 @@ private: } DSoundChannels; static DSoundChannels m_dsound_pos[10]; + qint64 m_latency; + qint32 m_bytesPerSecond; }; /** diff --git a/src/plugins/Output/directsound/outputdirectsoundfactory.cpp b/src/plugins/Output/directsound/outputdirectsoundfactory.cpp index d0287ad40..d62b45543 100644 --- a/src/plugins/Output/directsound/outputdirectsoundfactory.cpp +++ b/src/plugins/Output/directsound/outputdirectsoundfactory.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2014-2016 by Ilya Kotov * + * Copyright (C) 2014-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * diff --git a/src/plugins/Output/directsound/outputdirectsoundfactory.h b/src/plugins/Output/directsound/outputdirectsoundfactory.h index c2e23b697..f244789ec 100644 --- a/src/plugins/Output/directsound/outputdirectsoundfactory.h +++ b/src/plugins/Output/directsound/outputdirectsoundfactory.h @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2014 by Ilya Kotov * + * Copyright (C) 2014-2017 by Ilya Kotov * * forkotov02@hotmail.ru * * * * This program is free software; you can redistribute it and/or modify * -- cgit v1.2.3-13-gbd6f