Diffstat (limited to 'core/multimedia/opieplayer/audiodevice.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/audiodevice.cpp | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/core/multimedia/opieplayer/audiodevice.cpp b/core/multimedia/opieplayer/audiodevice.cpp index 3262e38..4c5f12d 100644 --- a/core/multimedia/opieplayer/audiodevice.cpp +++ b/core/multimedia/opieplayer/audiodevice.cpp @@ -9,195 +9,194 @@ ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ // L.J.Potter added better error code Fri 02-15-2002 14:37:47 #include <stdlib.h> #include <stdio.h> #include <qpe/qpeapplication.h> #include <qpe/config.h> #include "audiodevice.h" #if ( defined Q_WS_QWS || defined(_WS_QWS_) ) && !defined(QT_NO_COP) #include "qpe/qcopenvelope_qws.h" #endif -#ifdef Q_WS_WIN -#include <windows.h> -#include <mmsystem.h> -#include <mmreg.h> -#endif - +// #ifdef Q_WS_WIN +// #include <windows.h> +// #include <mmsystem.h> +// #include <mmreg.h> +// #endif #if defined(Q_WS_X11) || defined(Q_WS_QWS) #include <fcntl.h> #include <sys/ioctl.h> #include <sys/soundcard.h> #include <sys/stat.h> #include <sys/time.h> #include <sys/types.h> #include <unistd.h> #endif -#if defined(Q_OS_WIN32) -static const int expectedBytesPerMilliSecond = 2 * 2 * 44000 / 1000; -static const int timerResolutionMilliSeconds = 30; -static const int sound_fragment_bytes = timerResolutionMilliSeconds * expectedBytesPerMilliSecond; -#else +// #if defined(Q_OS_WIN32) +// static const int expectedBytesPerMilliSecond = 2 * 2 * 44000 / 1000; +// static const int timerResolutionMilliSeconds = 30; +// static const int sound_fragment_bytes = timerResolutionMilliSeconds * expectedBytesPerMilliSecond; +// #else # if defined(QT_QWS_IPAQ) static const int sound_fragment_shift = 14; # else static const int sound_fragment_shift = 16; # endif static const int sound_fragment_bytes = (1<<sound_fragment_shift); -#endif +//#endif class AudioDevicePrivate { public: int handle; unsigned int frequency; unsigned int channels; unsigned int bytesPerSample; unsigned int bufferSize; -#ifndef Q_OS_WIN32 +//#ifndef Q_OS_WIN32 bool can_GETOSPACE; char* unwrittenBuffer; unsigned int unwritten; -#endif +//#endif static int dspFd; static bool muted; static unsigned int leftVolume; static unsigned int rightVolume; }; #ifdef Q_WS_QWS // This is for keeping the device open in-between playing files when // the device makes clicks and it starts to drive you insane! :) // Best to have the device not open when not using it though //#define KEEP_DEVICE_OPEN #endif int AudioDevicePrivate::dspFd = 0; bool AudioDevicePrivate::muted = FALSE; unsigned int AudioDevicePrivate::leftVolume = 0; unsigned int AudioDevicePrivate::rightVolume = 0; void AudioDevice::getVolume( unsigned int& leftVolume, unsigned int& rightVolume, bool &muted ) { muted = AudioDevicePrivate::muted; unsigned int volume; -#ifdef Q_OS_WIN32 - HWAVEOUT handle; - WAVEFORMATEX formatData; - formatData.cbSize = sizeof(WAVEFORMATEX); - formatData.wFormatTag = WAVE_FORMAT_PCM; - formatData.nAvgBytesPerSec = 4 * 44000; - formatData.nBlockAlign = 4; - formatData.nChannels = 2; - formatData.nSamplesPerSec = 44000; - formatData.wBitsPerSample = 16; - waveOutOpen(&handle, WAVE_MAPPER, &formatData, 0L, 0L, CALLBACK_NULL); - if ( waveOutGetVolume( handle, (LPDWORD)&volume ) ) -// qDebug( "get volume of audio device failed" ); - waveOutClose( handle ); - leftVolume = volume & 0xFFFF; - rightVolume = volume >> 16; -#else +// #ifdef Q_OS_WIN32 +// HWAVEOUT handle; +// WAVEFORMATEX formatData; +// formatData.cbSize = sizeof(WAVEFORMATEX); +// formatData.wFormatTag = WAVE_FORMAT_PCM; +// formatData.nAvgBytesPerSec = 4 * 44000; +// formatData.nBlockAlign = 4; +// formatData.nChannels = 2; +// formatData.nSamplesPerSec = 44000; +// formatData.wBitsPerSample = 16; +// waveOutOpen(&handle, WAVE_MAPPER, &formatData, 0L, 0L, CALLBACK_NULL); +// if ( waveOutGetVolume( handle, (LPDWORD)&volume ) ) +// // qDebug( "get volume of audio device failed" ); +// waveOutClose( handle ); +// leftVolume = volume & 0xFFFF; +// rightVolume = volume >> 16; +// #else int mixerHandle = open( "/dev/mixer", O_RDWR ); if ( mixerHandle >= 0 ) { if(ioctl( mixerHandle, MIXER_READ(0), &volume )==-1) perror("ioctl(\"MIXER_READ\")"); close( mixerHandle ); } else perror("open(\"/dev/mixer\")"); leftVolume = ((volume & 0x00FF) << 16) / 101; rightVolume = ((volume & 0xFF00) << 8) / 101; -#endif +//#endif } void AudioDevice::setVolume( unsigned int leftVolume, unsigned int rightVolume, bool muted ) { AudioDevicePrivate::muted = muted; if ( muted ) { AudioDevicePrivate::leftVolume = leftVolume; AudioDevicePrivate::rightVolume = rightVolume; leftVolume = 0; rightVolume = 0; } else { leftVolume = ( (int) leftVolume < 0 ) ? 0 : (( leftVolume > 0xFFFF ) ? 0xFFFF : leftVolume ); rightVolume = ( (int)rightVolume < 0 ) ? 0 : (( rightVolume > 0xFFFF ) ? 0xFFFF : rightVolume ); } -#ifdef Q_OS_WIN32 - HWAVEOUT handle; - WAVEFORMATEX formatData; - formatData.cbSize = sizeof(WAVEFORMATEX); - formatData.wFormatTag = WAVE_FORMAT_PCM; - formatData.nAvgBytesPerSec = 4 * 44000; - formatData.nBlockAlign = 4; - formatData.nChannels = 2; - formatData.nSamplesPerSec = 44000; - formatData.wBitsPerSample = 16; - waveOutOpen(&handle, WAVE_MAPPER, &formatData, 0L, 0L, CALLBACK_NULL); - unsigned int volume = (rightVolume << 16) | leftVolume; - if ( waveOutSetVolume( handle, volume ) ) -// qDebug( "set volume of audio device failed" ); - waveOutClose( handle ); -#else +// #ifdef Q_OS_WIN32 +// HWAVEOUT handle; +// WAVEFORMATEX formatData; +// formatData.cbSize = sizeof(WAVEFORMATEX); +// formatData.wFormatTag = WAVE_FORMAT_PCM; +// formatData.nAvgBytesPerSec = 4 * 44000; +// formatData.nBlockAlign = 4; +// formatData.nChannels = 2; +// formatData.nSamplesPerSec = 44000; +// formatData.wBitsPerSample = 16; +// waveOutOpen(&handle, WAVE_MAPPER, &formatData, 0L, 0L, CALLBACK_NULL); +// unsigned int volume = (rightVolume << 16) | leftVolume; +// if ( waveOutSetVolume( handle, volume ) ) +// // qDebug( "set volume of audio device failed" ); +// waveOutClose( handle ); +// #else // Volume can be from 0 to 100 which is 101 distinct values unsigned int rV = (rightVolume * 101) >> 16; # if 0 unsigned int lV = (leftVolume * 101) >> 16; unsigned int volume = ((rV << 8) & 0xFF00) | (lV & 0x00FF); int mixerHandle = 0; if ( ( mixerHandle = open( "/dev/mixer", O_RDWR ) ) >= 0 ) { if(ioctl( mixerHandle, MIXER_WRITE(0), &volume ) ==-1) perror("ioctl(\"MIXER_WRITE\")"); close( mixerHandle ); } else perror("open(\"/dev/mixer\")"); # else // This is the way this has to be done now I guess, doesn't allow for // independant right and left channel setting, or setting for different outputs Config cfg("Sound"); cfg.setGroup("System"); cfg.writeEntry("Volume",(int)rV); # endif -#endif +//#endif // qDebug( "setting volume to: 0x%x", volume ); #if ( defined Q_WS_QWS || defined(_WS_QWS_) ) && !defined(QT_NO_COP) // Send notification that the volume has changed QCopEnvelope( "QPE/System", "volumeChange(bool)" ) << muted; #endif } AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { qDebug("creating new audio device"); QCopEnvelope( "QPE/System", "volumeChange(bool)" ) << TRUE; d = new AudioDevicePrivate; d->frequency = f; d->channels = chs; d->bytesPerSample = bps; qDebug("%d",bps); int format=0; if( bps == 8) format = AFMT_U8; else if( bps <= 0) format = AFMT_S16_LE; else format = AFMT_S16_LE; qDebug("AD- freq %d, channels %d, b/sample %d, bitrate %d",f,chs,bps,format); connect( qApp, SIGNAL( volumeChanged(bool) ), this, SLOT( volumeChanged(bool) ) ); @@ -235,144 +234,145 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { if(ioctl( d->handle, SNDCTL_DSP_CHANNELS, &d->channels )==-1) perror("ioctl(\"SNDCTL_DSP_CHANNELS\")"); } d->bufferSize = sound_fragment_bytes; d->unwrittenBuffer = new char[d->bufferSize]; d->unwritten = 0; d->can_GETOSPACE = TRUE; // until we find otherwise //if ( chs != d->channels ) qDebug( "Wanted %d, got %d channels", chs, d->channels ); //if ( f != d->frequency ) qDebug( "wanted %dHz, got %dHz", f, d->frequency ); //if ( capabilities & DSP_CAP_BATCH ) qDebug( "Sound card has local buffer" ); //if ( capabilities & DSP_CAP_REALTIME )qDebug( "Sound card has realtime sync" ); //if ( capabilities & DSP_CAP_TRIGGER ) qDebug( "Sound card has precise trigger" ); //if ( capabilities & DSP_CAP_MMAP ) qDebug( "Sound card can mmap" ); QCopEnvelope( "QPE/System", "volumeChange(bool)" ) << FALSE; } AudioDevice::~AudioDevice() { qDebug("destryo audiodevice"); QCopEnvelope( "QPE/System", "volumeChange(bool)" ) << TRUE; -#ifdef Q_OS_WIN32 - waveOutClose( (HWAVEOUT)d->handle ); -#else +// #ifdef Q_OS_WIN32 +// waveOutClose( (HWAVEOUT)d->handle ); +// #else # ifndef KEEP_DEVICE_OPEN close( d->handle ); // Now it should be safe to shut the handle # endif delete d->unwrittenBuffer; delete d; -#endif +//#endif + QCopEnvelope( "QPE/System", "volumeChange(bool)" ) << FALSE; } void AudioDevice::volumeChanged( bool muted ) { AudioDevicePrivate::muted = muted; } void AudioDevice::write( char *buffer, unsigned int length ) { -#ifdef Q_OS_WIN32 - // returns immediately and (to be implemented) emits completedIO() when finished writing - WAVEHDR *lpWaveHdr = (WAVEHDR *)malloc( sizeof(WAVEHDR) ); - // maybe the buffer should be copied so that this fool proof, but its a performance hit - lpWaveHdr->lpData = buffer; - lpWaveHdr->dwBufferLength = length; - lpWaveHdr->dwFlags = 0L; - lpWaveHdr->dwLoops = 0L; - waveOutPrepareHeader( (HWAVEOUT)d->handle, lpWaveHdr, sizeof(WAVEHDR) ); - // waveOutWrite returns immediately. the data is sent in the background. - if ( waveOutWrite( (HWAVEOUT)d->handle, lpWaveHdr, sizeof(WAVEHDR) ) ) - qDebug( "failed to write block to audio device" ); - // emit completedIO(); -#else +// #ifdef Q_OS_WIN32 +// // returns immediately and (to be implemented) emits completedIO() when finished writing +// WAVEHDR *lpWaveHdr = (WAVEHDR *)malloc( sizeof(WAVEHDR) ); +// // maybe the buffer should be copied so that this fool proof, but its a performance hit +// lpWaveHdr->lpData = buffer; +// lpWaveHdr->dwBufferLength = length; +// lpWaveHdr->dwFlags = 0L; +// lpWaveHdr->dwLoops = 0L; +// waveOutPrepareHeader( (HWAVEOUT)d->handle, lpWaveHdr, sizeof(WAVEHDR) ); +// // waveOutWrite returns immediately. the data is sent in the background. +// if ( waveOutWrite( (HWAVEOUT)d->handle, lpWaveHdr, sizeof(WAVEHDR) ) ) +// qDebug( "failed to write block to audio device" ); +// // emit completedIO(); +// #else int t = ::write( d->handle, buffer, length ); if ( t<0 ) t = 0; if ( t != (int)length) { qDebug("Ahhh!! memcpys 1"); memcpy(d->unwrittenBuffer,buffer+t,length-t); d->unwritten = length-t; } -#endif +//#endif } unsigned int AudioDevice::channels() const { return d->channels; } unsigned int AudioDevice::frequency() const { return d->frequency; } unsigned int AudioDevice::bytesPerSample() const { return d->bytesPerSample; } unsigned int AudioDevice::bufferSize() const { return d->bufferSize; } unsigned int AudioDevice::canWrite() const { -#ifdef Q_OS_WIN32 - return bufferSize(); // Any better? -#else +// #ifdef Q_OS_WIN32 +// return bufferSize(); // Any better? +// #else audio_buf_info info; if ( d->can_GETOSPACE && ioctl(d->handle,SNDCTL_DSP_GETOSPACE,&info) ) { d->can_GETOSPACE = FALSE; fcntl( d->handle, F_SETFL, O_NONBLOCK ); } if ( d->can_GETOSPACE ) { int t = info.fragments * sound_fragment_bytes; return QMIN(t,(int)bufferSize()); } else { if ( d->unwritten ) { int t = ::write( d->handle, d->unwrittenBuffer, d->unwritten ); if ( t<0 ) t = 0; if ( (unsigned)t!=d->unwritten ) { memcpy(d->unwrittenBuffer,d->unwrittenBuffer+t,d->unwritten-t); d->unwritten -= t; } else { d->unwritten = 0; } } if ( d->unwritten ) return 0; else return d->bufferSize; } -#endif +//#endif } int AudioDevice::bytesWritten() { -#ifdef Q_OS_WIN32 - MMTIME pmmt = { TIME_BYTES, 0 }; - if ( ( waveOutGetPosition( (HWAVEOUT)d->handle, &pmmt, sizeof(MMTIME) ) != MMSYSERR_NOERROR ) || ( pmmt.wType != TIME_BYTES ) ) { - qDebug( "failed to get audio device position" ); - return -1; - } - return pmmt.u.cb; -#else +// #ifdef Q_OS_WIN32 +// MMTIME pmmt = { TIME_BYTES, 0 }; +// if ( ( waveOutGetPosition( (HWAVEOUT)d->handle, &pmmt, sizeof(MMTIME) ) != MMSYSERR_NOERROR ) || ( pmmt.wType != TIME_BYTES ) ) { +// qDebug( "failed to get audio device position" ); +// return -1; +// } +// return pmmt.u.cb; +// #else int buffered = 0; if ( ioctl( d->handle, SNDCTL_DSP_GETODELAY, &buffered ) ) { qDebug( "failed to get audio device position" ); return -1; } return buffered; -#endif +//#endif } |