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Some fixes...

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This commit is contained in:
Jaroslav Kysela 1999-11-19 19:05:22 +00:00
parent 776b186952
commit deeb7a35d5
1 changed files with 13 additions and 4 deletions
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15
test/latency.c
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@ -2,6 +2,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sched.h> #include <sched.h>
#include <errno.h>
#include "../include/asoundlib.h" #include "../include/asoundlib.h"
#define LATENCY_LIMIT 8192 /* in bytes */ #define LATENCY_LIMIT 8192 /* in bytes */
@ -67,7 +68,7 @@ int setparams(snd_pcm_t *phandle, snd_pcm_t *chandle, int sync, int *queue)
params.channel = SND_PCM_CHANNEL_PLAYBACK; params.channel = SND_PCM_CHANNEL_PLAYBACK;
params.mode = SND_PCM_MODE_STREAM; params.mode = SND_PCM_MODE_STREAM;
params.format.interleave = 1; params.format.interleave = 1;
params.format.format = SND_PCM_SFMT_S16_LE; params.format.format = SND_PCM_SFMT_S16_BE; // S16_LE;
params.format.voices = 2; params.format.voices = 2;
params.format.rate = 44100; params.format.rate = 44100;
params.start_mode = SND_PCM_START_GO; params.start_mode = SND_PCM_START_GO;
@ -82,6 +83,7 @@ int setparams(snd_pcm_t *phandle, snd_pcm_t *chandle, int sync, int *queue)
if (*queue > LATENCY_LIMIT) if (*queue > LATENCY_LIMIT)
return -1; return -1;
again = 0; again = 0;
params.channel = SND_PCM_CHANNEL_PLAYBACK;
params.buf.stream.queue_size = *queue; params.buf.stream.queue_size = *queue;
if ((err = snd_pcm_plugin_params(phandle, &params)) < 0) { if ((err = snd_pcm_plugin_params(phandle, &params)) < 0) {
printf("Playback params error: %s\n", snd_strerror(err)); printf("Playback params error: %s\n", snd_strerror(err));
@ -96,14 +98,14 @@ int setparams(snd_pcm_t *phandle, snd_pcm_t *chandle, int sync, int *queue)
psetup.mode = SND_PCM_MODE_STREAM; psetup.mode = SND_PCM_MODE_STREAM;
psetup.channel = SND_PCM_CHANNEL_PLAYBACK; psetup.channel = SND_PCM_CHANNEL_PLAYBACK;
if ((err = snd_pcm_plugin_setup(phandle, &psetup)) < 0) { if ((err = snd_pcm_plugin_setup(phandle, &psetup)) < 0) {
printf("Playback params error: %s\n", snd_strerror(err)); printf("Playback setup error: %s\n", snd_strerror(err));
exit(0); exit(0);
} }
bzero(&csetup, sizeof(csetup)); bzero(&csetup, sizeof(csetup));
csetup.mode = SND_PCM_MODE_STREAM; csetup.mode = SND_PCM_MODE_STREAM;
csetup.channel = SND_PCM_CHANNEL_CAPTURE; csetup.channel = SND_PCM_CHANNEL_CAPTURE;
if ((err = snd_pcm_plugin_setup(chandle, &csetup)) < 0) { if ((err = snd_pcm_plugin_setup(chandle, &csetup)) < 0) {
printf("Capture params error: %s\n", snd_strerror(err)); printf("Capture setup error: %s\n", snd_strerror(err));
exit(0); exit(0);
} }
if (psetup.buf.stream.queue_size > *queue) { if (psetup.buf.stream.queue_size > *queue) {
@ -146,6 +148,7 @@ void showstat(snd_pcm_t *handle, int channel, snd_pcm_channel_status_t *rstatus)
printf("%s:\n", str); printf("%s:\n", str);
printf(" status = %i\n", status.status); printf(" status = %i\n", status.status);
printf(" position = %u\n", status.scount); printf(" position = %u\n", status.scount);
if (rstatus)
*rstatus = status; *rstatus = status;
} }
@ -185,6 +188,8 @@ long readbuf(snd_pcm_t *handle, char *buf, long len)
long r; long r;
r = snd_pcm_plugin_read(handle, buf, len); r = snd_pcm_plugin_read(handle, buf, len);
// printf("read = %li\n", r);
// showstat(handle, SND_PCM_CHANNEL_CAPTURE, NULL);
return r; return r;
} }
@ -194,8 +199,12 @@ long writebuf(snd_pcm_t *handle, char *buf, long len)
while (len > 0) { while (len > 0) {
r = snd_pcm_plugin_write(handle, buf, len); r = snd_pcm_plugin_write(handle, buf, len);
if (r == -EAGAIN)
continue;
// printf("write = %li\n", r);
if (r < 0) if (r < 0)
return r; return r;
// showstat(handle, SND_PCM_CHANNEL_PLAYBACK, NULL);
buf += r; buf += r;
len -= r; len -= r;
} }