sd->data = p;
- if ((err = snd_pcm_open (&p->handle, file, SND_PCM_STREAM_PLAYBACK, 0)) < 0)
+ err = snd_pcm_open (&p->handle, file, SND_PCM_STREAM_PLAYBACK, 0);
+ if (err < 0)
alsa_sound_perror (file, err);
}
xassert (p->handle != 0);
- if ((err = snd_pcm_hw_params_malloc (&p->hwparams)) < 0)
+ err = snd_pcm_hw_params_malloc (&p->hwparams);
+ if (err < 0)
alsa_sound_perror ("Could not allocate hardware parameter structure", err);
- if ((err = snd_pcm_sw_params_malloc (&p->swparams)) < 0)
+ err = snd_pcm_sw_params_malloc (&p->swparams);
+ if (err < 0)
alsa_sound_perror ("Could not allocate software parameter structure", err);
- if ((err = snd_pcm_hw_params_any (p->handle, p->hwparams)) < 0)
+ err = snd_pcm_hw_params_any (p->handle, p->hwparams);
+ if (err < 0)
alsa_sound_perror ("Could not initialize hardware parameter structure", err);
- if ((err = snd_pcm_hw_params_set_access (p->handle, p->hwparams,
- SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
+ err = snd_pcm_hw_params_set_access (p->handle, p->hwparams,
+ SND_PCM_ACCESS_RW_INTERLEAVED);
+ if (err < 0)
alsa_sound_perror ("Could not set access type", err);
val = sd->format;
- if ((err = snd_pcm_hw_params_set_format (p->handle, p->hwparams, val)) < 0)
+ err = snd_pcm_hw_params_set_format (p->handle, p->hwparams, val);
+ if (err < 0)
alsa_sound_perror ("Could not set sound format", err);
val = sd->sample_rate;
- if ((err = snd_pcm_hw_params_set_rate_near (p->handle, p->hwparams, &val, 0))
- < 0)
+ err = snd_pcm_hw_params_set_rate_near (p->handle, p->hwparams, &val, 0);
+ if (err < 0)
alsa_sound_perror ("Could not set sample rate", err);
val = sd->channels;
- if ((err = snd_pcm_hw_params_set_channels (p->handle, p->hwparams, val)) < 0)
+ err = snd_pcm_hw_params_set_channels (p->handle, p->hwparams, val);
+ if (err < 0)
alsa_sound_perror ("Could not set channel count", err);
- if ((err = snd_pcm_hw_params (p->handle, p->hwparams)) < 0)
+ err = snd_pcm_hw_params (p->handle, p->hwparams);
+ if (err < 0)
alsa_sound_perror ("Could not set parameters", err);
snd_pcm_sw_params_free (p->swparams);
p->swparams = NULL;
- if ((err = snd_pcm_prepare (p->handle)) < 0)
+ err = snd_pcm_prepare (p->handle);
+ if (err < 0)
alsa_sound_perror ("Could not prepare audio interface for use", err);
if (sd->volume > 0)
while (nwritten < nbytes)
{
- if ((err = snd_pcm_writei (p->handle,
- buffer + nwritten,
- (nbytes - nwritten)/fact)) < 0)
+ err = snd_pcm_writei (p->handle,
+ buffer + nwritten,
+ (nbytes - nwritten)/fact);
+ if (err < 0)
{
- fprintf(stderr, "Err %d/%s\n", err, snd_strerror(err));
if (err == -EPIPE)
{ /* under-run */
err = snd_pcm_prepare (p->handle);