Diffstat (limited to 'core/multimedia/opieplayer/audiodevice.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/audiodevice.cpp | 155 |
1 files changed, 69 insertions, 86 deletions
diff --git a/core/multimedia/opieplayer/audiodevice.cpp b/core/multimedia/opieplayer/audiodevice.cpp index 7b3700a..9a10eb4 100644 --- a/core/multimedia/opieplayer/audiodevice.cpp +++ b/core/multimedia/opieplayer/audiodevice.cpp @@ -1,5 +1,5 @@ /********************************************************************** -** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. +** Copyright (C) 2000 Trolltech AS. All rights reserved. ** -** This file is part of the Qtopia Environment. +** This file is part of Qtopia Environment. ** @@ -19,4 +19,6 @@ **********************************************************************/ +// L.J.Potter added better error code Fri 02-15-2002 14:37:47 #include <stdlib.h> +#include <stdio.h> #include <qpe/qpeapplication.h> @@ -108,3 +110,3 @@ void AudioDevice::getVolume( unsigned int& leftVolume, unsigned int& rightVolume if ( waveOutGetVolume( handle, (LPDWORD)&volume ) ) - qDebug( "get volume of audio device failed" ); +// qDebug( "get volume of audio device failed" ); waveOutClose( handle ); @@ -115,6 +117,7 @@ void AudioDevice::getVolume( unsigned int& leftVolume, unsigned int& rightVolume if ( mixerHandle >= 0 ) { - ioctl( mixerHandle, MIXER_READ(0), &volume ); + if(ioctl( mixerHandle, MIXER_READ(0), &volume )==-1) + perror("ioctl(\"MIXER_READ\")"); close( mixerHandle ); } else - qDebug( "get volume of audio device failed" ); + perror("open(\"/dev/mixer\")"); leftVolume = ((volume & 0x00FF) << 16) / 101; @@ -128,9 +131,9 @@ void AudioDevice::setVolume( unsigned int leftVolume, unsigned int rightVolume, if ( muted ) { - AudioDevicePrivate::leftVolume = leftVolume; - AudioDevicePrivate::rightVolume = rightVolume; - leftVolume = 0; - rightVolume = 0; + 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 ); + rightVolume = ( (int)rightVolume < 0 ) ? 0 : (( rightVolume > 0xFFFF ) ? 0xFFFF : rightVolume ); } @@ -149,3 +152,3 @@ void AudioDevice::setVolume( unsigned int leftVolume, unsigned int rightVolume, if ( waveOutSetVolume( handle, volume ) ) - qDebug( "set volume of audio device failed" ); +// qDebug( "set volume of audio device failed" ); waveOutClose( handle ); @@ -160,6 +163,8 @@ void AudioDevice::setVolume( unsigned int leftVolume, unsigned int rightVolume, if ( ( mixerHandle = open( "/dev/mixer", O_RDWR ) ) >= 0 ) { - ioctl( mixerHandle, MIXER_WRITE(0), &volume ); + if(ioctl( mixerHandle, MIXER_WRITE(0), &volume ) ==-1) + perror("ioctl(\"MIXER_WRITE\")"); close( mixerHandle ); } else - qDebug( "set volume of audio device failed" ); + perror("open(\"/dev/mixer\")"); + # else @@ -188,41 +193,13 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { 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) ) ); -#ifdef Q_OS_WIN32 - UINT result; - WAVEFORMATEX formatData; - formatData.cbSize = sizeof(WAVEFORMATEX); -/* - // Other possible formats windows supports - formatData.wFormatTag = WAVE_FORMAT_MPEG; - formatData.wFormatTag = WAVE_FORMAT_MPEGLAYER3; - formatData.wFormatTag = WAVE_FORMAT_ADPCM; -*/ - formatData.wFormatTag = WAVE_FORMAT_PCM; - formatData.nAvgBytesPerSec = bps * chs * f; - formatData.nBlockAlign = bps * chs; - formatData.nChannels = chs; - formatData.nSamplesPerSec = f; - formatData.wBitsPerSample = bps * 8; - // Open a waveform device for output - if (result = waveOutOpen((LPHWAVEOUT)&d->handle, WAVE_MAPPER, &formatData, 0L, 0L, CALLBACK_NULL)) { - QString errorMsg = "error opening audio device.\nReason: %i - "; - switch (result) { - case MMSYSERR_ALLOCATED: errorMsg += "Specified resource is already allocated."; break; - case MMSYSERR_BADDEVICEID: errorMsg += "Specified device identifier is out of range."; break; - case MMSYSERR_NODRIVER: errorMsg += "No device driver is present."; break; - case MMSYSERR_NOMEM: errorMsg += "Unable to allocate or lock memory."; break; - case WAVERR_BADFORMAT: errorMsg += "Attempted to open with an unsupported waveform-audio format."; break; - case WAVERR_SYNC: errorMsg += "The device is synchronous but waveOutOpen was called without using the WAVE_ALLOWSYNC flag."; break; - default: errorMsg += "Undefined error"; break; - } - qDebug( errorMsg, result ); - } - - d->bufferSize = sound_fragment_bytes; -#else int fragments = 0x10000 * 8 + sound_fragment_shift; - int format = AFMT_S16_LE; int capabilities = 0; @@ -233,7 +210,7 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { if ( ( d->handle = ::open( "/dev/dsp", O_WRONLY ) ) < 0 ) { - qDebug( "error opening audio device /dev/dsp, sending data to /dev/null instead" ); - d->handle = ::open( "/dev/null", O_WRONLY ); + perror("open(\"/dev/dsp\") sending to /dev/null instead"); + d->handle = ::open( "/dev/null", O_WRONLY ); } #ifdef KEEP_DEVICE_OPEN - AudioDevicePrivate::dspFd = d->handle; + AudioDevicePrivate::dspFd = d->handle; } else { @@ -243,9 +220,16 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { - ioctl( d->handle, SNDCTL_DSP_GETCAPS, &capabilities ); - ioctl( d->handle, SNDCTL_DSP_SETFRAGMENT, &fragments ); - ioctl( d->handle, SNDCTL_DSP_SETFMT, &format ); - ioctl( d->handle, SNDCTL_DSP_SPEED, &d->frequency ); + if(ioctl( d->handle, SNDCTL_DSP_GETCAPS, &capabilities )==-1) + perror("ioctl(\"SNDCTL_DSP_GETCAPS\")"); + if(ioctl( d->handle, SNDCTL_DSP_SETFRAGMENT, &fragments )==-1) + perror("ioctl(\"SNDCTL_DSP_SETFRAGMENT\")"); + if(ioctl( d->handle, SNDCTL_DSP_SETFMT, & format )==-1) + perror("ioctl(\"SNDCTL_DSP_SETFMT\")"); + qDebug("freq %d", d->frequency); + if(ioctl( d->handle, SNDCTL_DSP_SPEED, &d->frequency )==-1) + perror("ioctl(\"SNDCTL_DSP_SPEED\")"); + qDebug("channels %d",d->channels); if ( ioctl( d->handle, SNDCTL_DSP_CHANNELS, &d->channels ) == -1 ) { - d->channels = ( d->channels == 1 ) ? 2 : d->channels; - ioctl( d->handle, SNDCTL_DSP_CHANNELS, &d->channels ); + d->channels = ( d->channels == 1 ) ? 2 : d->channels; + if(ioctl( d->handle, SNDCTL_DSP_CHANNELS, &d->channels )==-1) + perror("ioctl(\"SNDCTL_DSP_CHANNELS\")"); } @@ -257,4 +241,4 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { - //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 ( 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" ); @@ -263,3 +247,2 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { //if ( capabilities & DSP_CAP_MMAP ) qDebug( "Sound card can mmap" ); -#endif } @@ -272,3 +255,3 @@ AudioDevice::~AudioDevice() { # ifndef KEEP_DEVICE_OPEN - close( d->handle ); // Now it should be safe to shut the handle + close( d->handle ); // Now it should be safe to shut the handle # endif @@ -299,3 +282,3 @@ void AudioDevice::write( char *buffer, unsigned int length ) if ( waveOutWrite( (HWAVEOUT)d->handle, lpWaveHdr, sizeof(WAVEHDR) ) ) - qDebug( "failed to write block to audio device" ); + qDebug( "failed to write block to audio device" ); // emit completedIO(); @@ -305,5 +288,5 @@ void AudioDevice::write( char *buffer, unsigned int length ) if ( t != (int)length) { - qDebug("Ahhh!! memcpys 1"); - memcpy(d->unwrittenBuffer,buffer+t,length-t); - d->unwritten = length-t; + qDebug("Ahhh!! memcpys 1"); + memcpy(d->unwrittenBuffer,buffer+t,length-t); + d->unwritten = length-t; } @@ -343,23 +326,23 @@ unsigned int AudioDevice::canWrite() const if ( d->can_GETOSPACE && ioctl(d->handle,SNDCTL_DSP_GETOSPACE,&info) ) { - d->can_GETOSPACE = FALSE; - fcntl( d->handle, F_SETFL, O_NONBLOCK ); + 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()); + 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; + 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; } @@ -373,4 +356,4 @@ int AudioDevice::bytesWritten() { if ( ( waveOutGetPosition( (HWAVEOUT)d->handle, &pmmt, sizeof(MMTIME) ) != MMSYSERR_NOERROR ) || ( pmmt.wType != TIME_BYTES ) ) { - qDebug( "failed to get audio device position" ); - return -1; + qDebug( "failed to get audio device position" ); + return -1; } @@ -380,4 +363,4 @@ int AudioDevice::bytesWritten() { if ( ioctl( d->handle, SNDCTL_DSP_GETODELAY, &buffered ) ) { - qDebug( "failed to get audio device position" ); - return -1; + qDebug( "failed to get audio device position" ); + return -1; } |