test: pcm_min - add snd_pcm_drain() call and indentation fixes

Fixes: https://github.com/alsa-project/alsa-lib/issues/46
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/test/pcm_min.c b/test/pcm_min.c
index 7462a45fef332d1027b3a3dfe0df550e0faa5c9d..4c120b4c2b27943574f784bce8d8c92d084133a0 100644 (file)
--- 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;
 }