Update of /cvsroot/alsa/alsa-kernel/core
In directory sc8-pr-cvs1:/tmp/cvs-serv4570
Modified Files:
pcm_lib.c
Log Message:
- don't print debug messages for low count of periods
- added right path for one period to the update pointer routine (interrupt)
Index: pcm_lib.c
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/core/pcm_lib.c,v
retrieving revision 1.45
retrieving revision 1.46
diff -u -r1.45 -r1.46
--- pcm_lib.c 6 Oct 2003 12:19:10 -0000 1.45
+++ pcm_lib.c 22 Oct 2003 09:32:20 -0000 1.46
@@ -173,15 +173,21 @@
snd_pcm_sframes_t delta;
pos = snd_pcm_update_hw_ptr_pos(substream, runtime);
+ if (runtime->period_size == runtime->buffer_size)
+ goto __next_buf;
new_hw_ptr = runtime->hw_ptr_base + pos;
hw_ptr_interrupt = runtime->hw_ptr_interrupt + runtime->period_size;
delta = hw_ptr_interrupt - new_hw_ptr;
if (delta > 0) {
if ((snd_pcm_uframes_t)delta < runtime->buffer_size / 2) {
- snd_printd(KERN_ERR "Unexpected hw_pointer value (stream = %i,
delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n", substream->stream,
(long) delta, runtime->buffer_size / 2);
+#ifdef CONFIG_SND_DEBUG
+ if (runtime->periods > 1)
+ snd_printd(KERN_ERR "Unexpected hw_pointer value [1]
(stream = %i, delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n",
substream->stream, (long) delta, runtime->buffer_size / 2);
+#endif
return 0;
}
+ __next_buf:
runtime->hw_ptr_base += runtime->buffer_size;
if (runtime->hw_ptr_base == runtime->boundary)
runtime->hw_ptr_base = 0;
@@ -213,7 +219,10 @@
delta = old_hw_ptr - new_hw_ptr;
if (delta > 0) {
if ((snd_pcm_uframes_t)delta < runtime->buffer_size / 2) {
- snd_printd(KERN_ERR "Unexpected hw_pointer value (stream = %i,
delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n", substream->stream,
(long) delta, runtime->buffer_size / 2);
+#ifdef CONFIG_SND_DEBUG
+ if (runtime->periods > 2)
+ snd_printd(KERN_ERR "Unexpected hw_pointer value [2]
(stream = %i, delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n",
substream->stream, (long) delta, runtime->buffer_size / 2);
+#endif
return 0;
}
runtime->hw_ptr_base += runtime->buffer_size;
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