I'm a newbie with alsa and rusty with c. I am trying to get a basic pcm application going. I have:
#include <alsa/asoundlib.h>
but when I try to:
snd_pcm_hw_params_alloca(&hwparams);
I get:
/tmp/ccJB6E1d.o(.text+0x18): In function `initSound': : undefined reference to `snd_pcm_hw_params_sizeof' /tmp/ccJB6E1d.o(.text+0x31): In function `initSound': : undefined reference to `snd_pcm_hw_params_sizeof' collect2: ld returned 1 exit status
any help appreciated cheers Tim
Full source so far:
#include <alsa/asoundlib.h>
/* Handle for the PCM device */
snd_pcm_t *pcm_handle; /* Playback stream */
snd_pcm_stream_t stream = SND_PCM_STREAM_PLAYBACK; /* This structure contains information about */
/* the hardware and can be used to specify the */
/* configuration to be used for the PCM stream. */
snd_pcm_hw_params_t *hwparams; /* Name of the PCM device, like plughw:0,0 */
/* The first number is the number of the soundcard, */
/* the second number is the number of the device. */
char *pcm_name;
int initSound(int channels, int sampleRate, int framebytes) {
/* Init pcm_name. Of course, later you */
/* will make this configurable ;-) */
pcm_name = strdup("plughw:0,0");
/* Allocate the snd_pcm_hw_params_t structure on the stack. */ snd_pcm_hw_params_alloca(&hwparams); }
main(){}
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