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ext/alsa/gstalsa.c: disable some of the debugging code for now. Writing debugging to a buffer is broken in current al...

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Original commit message from CVS:
* ext/alsa/gstalsa.c: (gst_alsa_open_audio),
(gst_alsa_sw_params_dump), (gst_alsa_hw_params_dump),
(gst_alsa_close_audio):
disable some of the debugging code for now. Writing debugging to a
buffer is broken in current alsalib releases.
This commit is contained in:
Benjamin Otte 2004-07-15 20:32:41 +00:00
parent ddd5cad689
commit f4bbdba991
2 changed files with 24 additions and 1 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2004-07-15 Benjamin Otte <otte@gnome.org>
* ext/alsa/gstalsa.c: (gst_alsa_open_audio),
(gst_alsa_sw_params_dump), (gst_alsa_hw_params_dump),
(gst_alsa_close_audio):
disable some of the debugging code for now. Writing debugging to a
buffer is broken in current alsalib releases.
2004-07-12 Benjamin Otte <otte@gnome.org>
* ext/mpeg2dec/gstmpeg2dec.c: (gst_mpeg2dec_alloc_buffer):

17
ext/alsa/gstalsa.c
View file

@ -31,9 +31,13 @@
#include "gstalsaclock.h"
#include "gstalsamixer.h"
/* all this ifdef'ed stuff causes segfaults because of alsa bug 389, see
* https://bugtrack.alsa-project.org/alsa-bug/bug_view_page.php?bug_id=0000389
*/
#ifdef ALSA_BUG_389_FIXED
#define ALSA_DEBUG_FLUSH(this) G_STMT_START{ \
gchar *__str; \
ssize_t __size; \
size_t __size; \
__size = snd_output_buffer_string (this->out, &__str); \
if (__size > 0) { \
GST_DEBUG_OBJECT (this, "%*s", __size, __str); \
@ -41,6 +45,7 @@
GST_ERROR_OBJECT (this, "error flushing output buffer"); \
} \
}G_STMT_END
#endif
/* GObject functions */
static void gst_alsa_class_init (gpointer g_class, gpointer class_data);
@ -1299,8 +1304,10 @@ gst_alsa_open_audio (GstAlsa * this)
GST_INFO ("Opening alsa device \"%s\"...", this->device);
#ifdef ALSA_BUG_389_FIXED
ERROR_CHECK (snd_output_buffer_open (&this->out),
"error opening log output: %s");
#endif
if ((ret = snd_pcm_open (&this->handle, this->device,
GST_ALSA_GET_CLASS (this)->stream, SND_PCM_NONBLOCK)) < 0) {
@ -1345,15 +1352,19 @@ gst_alsa_open_audio (GstAlsa * this)
void
gst_alsa_sw_params_dump (GstAlsa * this, snd_pcm_sw_params_t * sw_params)
{
#ifdef ALSA_BUG_389_FIXED
snd_pcm_sw_params_dump (sw_params, this->out);
ALSA_DEBUG_FLUSH (this);
#endif
}
void
gst_alsa_hw_params_dump (GstAlsa * this, snd_pcm_hw_params_t * hw_params)
{
#ifdef ALSA_BUG_389_FIXED
snd_pcm_hw_params_dump (hw_params, this->out);
ALSA_DEBUG_FLUSH (this);
#endif
}
/* if someone finds an easy way to merge this with _set_hw_params, go ahead */
@ -1611,7 +1622,9 @@ gst_alsa_stop_audio (GstAlsa * this)
static gboolean
gst_alsa_close_audio (GstAlsa * this)
{
#ifdef ALSA_BUG_389_FIXED
gint err;
#endif
/* if there's no pads, we never open. So we don't close either. */
if (!gst_element_get_pad_list (GST_ELEMENT (this)))
@ -1620,11 +1633,13 @@ gst_alsa_close_audio (GstAlsa * this)
g_return_val_if_fail (this != NULL, FALSE);
g_return_val_if_fail (this->handle != NULL, FALSE);
#ifdef ALSA_BUG_389_FIXED
ALSA_DEBUG_FLUSH (this);
err = snd_output_close (this->out);
if (err != 0)
GST_ERROR_OBJECT (this, "failed to close debugging output: %s",
snd_strerror (err));
#endif
ERROR_CHECK (snd_pcm_close (this->handle), "Error closing device: %s");
this->handle = NULL;