From: Christophe Lohr <christophe.lohr@cegetel.net>
To: alsa-devel@alsa-project.org
Subject: Remarks about alsa-lib-1.0.29/test/pcm*.c
Date: Sun, 31 May 2015 13:51:26 +0200 [thread overview]
Message-ID: <556AF5BE.1070409@cegetel.net> (raw)
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Hello,
I'm looking about examples in alsa-lib-1.0.29/test/
I have two questions about:
pcm.c line 71: In case of a FLOAT format, maxval is 1.0, isn't it?
pcm_min.c lin 79: Variable err does not refers to the previous call?
Did I understood well?
Best regards
Christophe
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diff -uprN alsa-lib-1.0.29.origin/test/pcm.c alsa-lib-1.0.29/test/pcm.c
--- alsa-lib-1.0.29.origin/test/pcm.c 2015-02-26 13:34:52.000000000 +0100
+++ alsa-lib-1.0.29/test/pcm.c 2015-05-31 13:36:42.806463600 +0200
@@ -68,7 +68,7 @@ static void generate_sine(const snd_pcm_
} fval;
int res, i;
if (is_float) {
- fval.f = sin(phase) * maxval;
+ fval.f = sin(phase);
res = fval.i;
} else
res = sin(phase) * maxval;
diff -uprN alsa-lib-1.0.29.origin/test/pcm_min.c alsa-lib-1.0.29/test/pcm_min.c
--- alsa-lib-1.0.29.origin/test/pcm_min.c 2015-02-26 13:34:52.000000000 +0100
+++ alsa-lib-1.0.29/test/pcm_min.c 2015-05-31 13:38:58.166156767 +0200
@@ -39,7 +39,7 @@ int main(void)
if (frames < 0)
frames = snd_pcm_recover(handle, frames, 0);
if (frames < 0) {
- printf("snd_pcm_writei failed: %s\n", snd_strerror(err));
+ printf("snd_pcm_writei failed: %s\n", snd_strerror(frames));
break;
}
if (frames > 0 && frames < (long)sizeof(buffer))
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next reply other threads:[~2015-05-31 11:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-31 11:51 Christophe Lohr [this message]
2015-06-01 11:47 ` Remarks about alsa-lib-1.0.29/test/pcm*.c Takashi Iwai
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