diff options
| -rw-r--r-- | test/pcm_min.c | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/test/pcm_min.c b/test/pcm_min.c index 7462a45f..4c120b4c 100644 --- a/test/pcm_min.c +++ b/test/pcm_min.c @@ -5,47 +5,49 @@ #include "../include/asoundlib.h" static char *device = "default"; /* playback device */ - -snd_output_t *output = NULL; unsigned char buffer[16*1024]; /* some random data */ int main(void) { - int err; - unsigned int i; - snd_pcm_t *handle; - snd_pcm_sframes_t frames; + int err; + unsigned int i; + snd_pcm_t *handle; + snd_pcm_sframes_t frames; - for (i = 0; i < sizeof(buffer); i++) - buffer[i] = random() & 0xff; + for (i = 0; i < sizeof(buffer); i++) + buffer[i] = random() & 0xff; if ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) { printf("Playback open error: %s\n", snd_strerror(err)); exit(EXIT_FAILURE); } if ((err = snd_pcm_set_params(handle, - SND_PCM_FORMAT_U8, - SND_PCM_ACCESS_RW_INTERLEAVED, - 1, - 48000, - 1, - 500000)) < 0) { /* 0.5sec */ + SND_PCM_FORMAT_U8, + SND_PCM_ACCESS_RW_INTERLEAVED, + 1, + 48000, + 1, + 500000)) < 0) { /* 0.5sec */ printf("Playback open error: %s\n", snd_strerror(err)); exit(EXIT_FAILURE); } for (i = 0; i < 16; i++) { - frames = snd_pcm_writei(handle, buffer, sizeof(buffer)); - if (frames < 0) - frames = snd_pcm_recover(handle, frames, 0); - if (frames < 0) { - printf("snd_pcm_writei failed: %s\n", snd_strerror(frames)); - break; - } - if (frames > 0 && frames < (long)sizeof(buffer)) - printf("Short write (expected %li, wrote %li)\n", (long)sizeof(buffer), frames); - } + frames = snd_pcm_writei(handle, buffer, sizeof(buffer)); + if (frames < 0) + frames = snd_pcm_recover(handle, frames, 0); + if (frames < 0) { + printf("snd_pcm_writei failed: %s\n", snd_strerror(frames)); + break; + } + if (frames > 0 && frames < (long)sizeof(buffer)) + printf("Short write (expected %li, wrote %li)\n", (long)sizeof(buffer), frames); + } + /* pass the remaining samples, otherwise they're dropped in close */ + err = snd_pcm_drain(handle); + if (err < 0) + printf("snd_pcm_drain failed: %s\n", snd_strerror(err)); snd_pcm_close(handle); return 0; } |