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log xrun trigger

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e_kumalija 2022-10-14 13:20:25 +09:00
parent 1c7e46d5d8
commit b2101352b6
2 changed files with 19 additions and 0 deletions
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17
include/error.h
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@ -74,6 +74,23 @@ extern int snd_lib_error_set_handler(snd_lib_error_handler_t handler);
}
#endif
#define ALSALIB_LOG_FILE "/var/log/alsa_log.txt"
//append log to existing file
#define alsaLib_log_write(fmt, ...) { \
FILE *fp = fopen(ALSALIB_LOG_FILE,"a"); \
if(fp){ \
time_t time_sec; \
unsigned long time_ms; \
struct timespec now; \
clock_gettime(CLOCK_MONOTONIC,&now); \
time_sec = now.tv_sec; \
time_ms = now.tv_nsec/1000000; \
fprintf(fp,"%lu.%03lu," fmt, time_sec, time_ms, ##__VA_ARGS__); \
fclose(fp); \
} \
}
/** Local error handler function type */
typedef void (*snd_local_error_handler_t)(const char *file, int line,
const char *func, int err,

2
src/pcm/pcm_dmix.c
View file

@ -44,6 +44,7 @@
#include <sys/un.h>
#include <sys/mman.h>
#include "pcm_direct.h"
#include "error.h"
#ifndef PIC
/* entry for static linking */
@ -422,6 +423,7 @@ static int snd_pcm_dmix_sync_ptr0(snd_pcm_t *pcm, snd_pcm_uframes_t slave_hw_ptr
gettimestamp(&dmix->trigger_tstamp, pcm->tstamp_type);
if (dmix->state == SND_PCM_STATE_RUNNING) {
dmix->state = SND_PCM_STATE_XRUN;
alsaLib_log_write("Xrun avail size =%lu stop_threshold=%lu",avail,pcm->stop_threshold);
return -EPIPE;
}
dmix->state = SND_PCM_STATE_SETUP;