S Jagannathan
2008-01-05 07:48:54 UTC
Hello all,
I use Pa_OpenStream to open an output audio stream. The function
succeeds but I get an internal error as follows and I cannot hear any
audio. Can you please suggest why this happening?
Thank you
Jagan.
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 877
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 877
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 877
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 877
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
started output audio stream
I use Pa_OpenStream to open an output audio stream. The function
succeeds but I get an internal error as follows and I cannot hear any
audio. Can you please suggest why this happening?
Thank you
Jagan.
output from my program >>>
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 877
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 877
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 877
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )'
failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1016
Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
alsaApi, outParam
s, StreamDirection_Out, NULL !=
callback )' failed in 'src/hostapi/alsa/pa_linux
_alsa.c', line: 1223
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outpu
tParameters, sampleRate,
framesPerBuffer, callback, streamFlags, userData )' fai
led in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1786
mesgs below from my program
inited output audio streamstarted output audio stream