eeva/jamulus
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

code style changes

Browse source
This commit is contained in:
Volker Fischer 2006-10-10 19:26:36 +00:00
parent bf365ce0bc
commit 25e275edce
1 changed files with 21 additions and 35 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
linux/sound.cpp
View file

@ -114,6 +114,8 @@ void CSound::InitRecording(int iNewBufferSize, bool bNewBlocking)
bool CSound::Read(CVector<short>& psData) bool CSound::Read(CVector<short>& psData)
{ {
int ret;
/* Check if device must be opened or reinitialized */ /* Check if device must be opened or reinitialized */
if (bChangParamIn == true) if (bChangParamIn == true)
{ {
@ -123,14 +125,13 @@ bool CSound::Read(CVector<short>& psData)
bChangParamIn = false; bChangParamIn = false;
} }
int ret = snd_pcm_readi(rhandle, &psData[0], iBufferSizeIn); ret = snd_pcm_readi(rhandle, &psData[0], iBufferSizeIn);
//qDebug("ret: %d, iBufferSizeIn: %d", ret, iBufferSizeIn);
if ( ret < 0 ) if ( ret < 0 )
{ {
if ( ret == -EPIPE ) if ( ret == -EPIPE )
{ {
/* Under-run */ // under-run
qDebug ( "rprepare" ); qDebug ( "rprepare" );
ret = snd_pcm_prepare ( rhandle ); ret = snd_pcm_prepare ( rhandle );
@ -154,7 +155,7 @@ bool CSound::Read(CVector<short>& psData)
{ {
qDebug ( "strpipe" ); qDebug ( "strpipe" );
/* Wait until the suspend flag is released */ // wait until the suspend flag is released
while ( ( ret = snd_pcm_resume ( rhandle ) ) == -EAGAIN ) while ( ( ret = snd_pcm_resume ( rhandle ) ) == -EAGAIN )
{ {
sleep ( 1 ); sleep ( 1 );
@ -310,7 +311,6 @@ bool CSound::Write ( CVector<short>& psData )
while ( size ) while ( size )
{ {
ret = snd_pcm_writei ( phandle, &psData[start], size ); ret = snd_pcm_writei ( phandle, &psData[start], size );
//qDebug("start: %d, iBufferSizeIn: %d", start, iBufferSizeIn);
if ( ret < 0 ) if ( ret < 0 )
{ {
@ -325,7 +325,6 @@ bool CSound::Write ( CVector<short>& psData )
{ {
qDebug ( "Can't recover from underrun, prepare failed: %s", snd_strerror ( ret ) ); qDebug ( "Can't recover from underrun, prepare failed: %s", snd_strerror ( ret ) );
} }
continue; continue;
} }
else if ( ret == -EAGAIN ) else if ( ret == -EAGAIN )
@ -448,34 +447,23 @@ bool CSound::SetHWParams(snd_pcm_t* handle, const int iBufferSizeIn,
return true; return true;
} }
// set the buffer size and period size
/* set the buffer and period size */
// TEST
snd_pcm_uframes_t BufferFrames = iBufferSizeIn * iNumPeriodBlocks; snd_pcm_uframes_t BufferFrames = iBufferSizeIn * iNumPeriodBlocks;
if ( err = snd_pcm_hw_params_set_buffer_size_near ( handle, hwparams, &BufferFrames ) < 0 ) if ( err = snd_pcm_hw_params_set_buffer_size_near ( handle, hwparams, &BufferFrames ) < 0 )
{ {
qDebug ( "cannot set buffer size (%s)\n", snd_strerror ( err ) ); qDebug ( "cannot set buffer size (%s)\n", snd_strerror ( err ) );
return true; return true;
} }
// TEST // set the period size
snd_pcm_uframes_t PeriodSize = iBufferSizeIn; snd_pcm_uframes_t PeriodSize = iBufferSizeIn;
if ( err = snd_pcm_hw_params_set_period_size_near ( handle, hwparams, &PeriodSize, 0 ) < 0 ) if ( err = snd_pcm_hw_params_set_period_size_near ( handle, hwparams, &PeriodSize, 0 ) < 0 )
//if (err = snd_pcm_hw_params_set_period_size_max(handle, hwparams, &PeriodSize, 0) < 0)
{ {
qDebug ( "cannot set period size (%s)\n", snd_strerror ( err ) ); qDebug ( "cannot set period size (%s)\n", snd_strerror ( err ) );
return true; return true;
} }
// write the parameters to device
/* Write the parameters to device */
if ( err = snd_pcm_hw_params ( handle, hwparams ) < 0 ) if ( err = snd_pcm_hw_params ( handle, hwparams ) < 0 )
{ {
qDebug("Unable to set hw params : %s", snd_strerror(err)); qDebug("Unable to set hw params : %s", snd_strerror(err));
@ -483,7 +471,6 @@ snd_pcm_uframes_t PeriodSize = iBufferSizeIn;
} }
/* check period and buffer size */ /* check period and buffer size */
snd_pcm_uframes_t buffer_size; snd_pcm_uframes_t buffer_size;
if (err = snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size) < 0) { if (err = snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size) < 0) {
@ -500,7 +487,6 @@ if (err < 0)
qDebug("frame size: %d (desired: %d)", period_size, iBufferSizeIn); qDebug("frame size: %d (desired: %d)", period_size, iBufferSizeIn);
/* clean-up */ /* clean-up */
snd_pcm_hw_params_free ( hwparams ); snd_pcm_hw_params_free ( hwparams );