Diffstat (limited to 'core/multimedia/opieplayer/audiodevice.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/audiodevice.cpp | 75 |
1 files changed, 30 insertions, 45 deletions
diff --git a/core/multimedia/opieplayer/audiodevice.cpp b/core/multimedia/opieplayer/audiodevice.cpp index 8861015..59136af 100644 --- a/core/multimedia/opieplayer/audiodevice.cpp +++ b/core/multimedia/opieplayer/audiodevice.cpp @@ -18,5 +18,9 @@ ** **********************************************************************/ +// 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> @@ -113,8 +117,9 @@ void AudioDevice::getVolume( unsigned int& leftVolume, unsigned int& rightVolume int mixerHandle = open( "/dev/mixer", O_RDWR ); 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; rightVolume = ((volume & 0xFF00) << 8) / 101; @@ -158,8 +163,10 @@ void AudioDevice::setVolume( unsigned int leftVolume, unsigned int rightVolume, int mixerHandle = 0; 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 // This is the way this has to be done now I guess, doesn't allow for @@ -186,43 +193,15 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { 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) ) ); -#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; @@ -231,5 +210,5 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { #endif if ( ( d->handle = ::open( "/dev/dsp", O_WRONLY ) ) < 0 ) { - qDebug( "error opening audio device /dev/dsp, sending data to /dev/null instead" ); + perror("open(\"/dev/dsp\") sending to /dev/null instead"); d->handle = ::open( "/dev/null", O_WRONLY ); } @@ -241,11 +220,18 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { #endif - 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 ); + if(ioctl( d->handle, SNDCTL_DSP_CHANNELS, &d->channels )==-1) + perror("ioctl(\"SNDCTL_DSP_CHANNELS\")"); } @@ -261,5 +247,4 @@ AudioDevice::AudioDevice( unsigned int f, unsigned int chs, unsigned int bps ) { //if ( capabilities & DSP_CAP_TRIGGER ) qDebug( "Sound card has precise trigger" ); //if ( capabilities & DSP_CAP_MMAP ) qDebug( "Sound card can mmap" ); -#endif } |