ext/alsa/: Change alsa alloca's to malloc to fix warnings on gcc-4.2.

Original commit message from CVS:
* ext/alsa/gstalsa.c:
* ext/alsa/gstalsadeviceprobe.c:
* ext/alsa/gstalsamixer.c:
* ext/alsa/gstalsasink.c:
* ext/alsa/gstalsasrc.c:
Change alsa alloca's to malloc to fix warnings on gcc-4.2.

ChangeLog

@@ -1,3 +1,12 @@
+2007-09-15  David Schleef  <ds@schleef.org>
+
+	* ext/alsa/gstalsa.c:
+	* ext/alsa/gstalsadeviceprobe.c:
+	* ext/alsa/gstalsamixer.c:
+	* ext/alsa/gstalsasink.c:
+	* ext/alsa/gstalsasrc.c:
+	  Change alsa alloca's to malloc to fix warnings on gcc-4.2.
+
 2007-09-15  Wim Taymans  <wim.taymans@gmail.com>
 
 	* gst-libs/gst/rtp/gstbasertppayload.c:

ext/alsa/gstalsa.c

@@ -110,7 +110,7 @@ gst_alsa_detect_formats (GstObject * obj, snd_pcm_hw_params_t * hw_params,
   GstCaps *caps;
   gint i;
 
-  snd_pcm_format_mask_alloca (&mask);
+  snd_pcm_format_mask_malloc (&mask);
   snd_pcm_hw_params_get_format_mask (hw_params, mask);
 
   caps = gst_caps_new_empty ();
@@ -157,6 +157,7 @@ gst_alsa_detect_formats (GstObject * obj, snd_pcm_hw_params_t * hw_params,
     }
   }
 
+  snd_pcm_format_mask_free (mask);
   gst_caps_unref (in_caps);
   return caps;
 }
@@ -375,7 +376,7 @@ gst_alsa_probe_supported_formats (GstObject * obj, snd_pcm_t * handle,
   GstCaps *caps;
   gint err;
 
-  snd_pcm_hw_params_alloca (&hw_params);
+  snd_pcm_hw_params_malloc (&hw_params);
   if ((err = snd_pcm_hw_params_any (handle, hw_params)) < 0)
     goto error;
 
@@ -390,17 +391,20 @@ gst_alsa_probe_supported_formats (GstObject * obj, snd_pcm_t * handle,
   if (!(caps = gst_alsa_detect_channels (obj, hw_params, caps)))
     goto subroutine_error;
 
+  snd_pcm_hw_params_free (hw_params);
   return caps;
 
   /* ERRORS */
 error:
   {
     GST_ERROR_OBJECT (obj, "failed to query formats: %s", snd_strerror (err));
+    snd_pcm_hw_params_free (hw_params);
     return NULL;
   }
 subroutine_error:
   {
     GST_ERROR_OBJECT (obj, "failed to query formats");
+    snd_pcm_hw_params_free (hw_params);
     return NULL;
   }
 }

ext/alsa/gstalsadeviceprobe.c

@@ -61,8 +61,8 @@ gst_alsa_get_device_list (snd_pcm_stream_t stream)
   if (stream == -1)
     stream = 0;
 
-  snd_ctl_card_info_alloca (&info);
+  snd_ctl_card_info_malloc (&info);
-  snd_pcm_info_alloca (&pcminfo);
+  snd_pcm_info_malloc (&pcminfo);
   card = -1;
 
   if (snd_card_next (&card) < 0 || card < 0) {
@@ -111,6 +111,9 @@ gst_alsa_get_device_list (snd_pcm_stream_t stream)
     }
   }
 
+  snd_ctl_card_info_free (info);
+  snd_pcm_info_free (pcminfo);
+
   return list;
 }
 

ext/alsa/gstalsamixer.c

@@ -90,7 +90,7 @@ gst_alsa_mixer_open (GstAlsaMixer * mixer)
     goto no_card_name;
   }
 
-  snd_ctl_card_info_alloca (&card_info);
+  snd_ctl_card_info_malloc (&card_info);
   if ((err = snd_ctl_card_info (ctl, card_info)) < 0) {
     GST_WARNING ("Cannot get card info: %s", snd_strerror (err));
     snd_ctl_close (ctl);
@@ -99,6 +99,7 @@ gst_alsa_mixer_open (GstAlsaMixer * mixer)
 
   mixer->cardname = g_strdup (snd_ctl_card_info_get_name (card_info));
   GST_DEBUG ("Card name = %s", GST_STR_NULL (mixer->cardname));
+  snd_ctl_card_info_free (card_info);
   snd_ctl_close (ctl);
 
 no_card_name:

ext/alsa/gstalsasink.c

@@ -333,7 +333,7 @@ set_hwparams (GstAlsaSink * alsa)
   snd_pcm_hw_params_t *params;
   guint period_time, buffer_time;
 
-  snd_pcm_hw_params_alloca (&params);
+  snd_pcm_hw_params_malloc (&params);
 
   GST_DEBUG_OBJECT (alsa, "Negotiating to %d channels @ %d Hz (format = %s)",
       alsa->channels, alsa->rate, snd_pcm_format_name (alsa->format));
@@ -423,6 +423,7 @@ retry:
   GST_DEBUG_OBJECT (alsa, "buffer size %lu, period size %lu", alsa->buffer_size,
       alsa->period_size);
 
+  snd_pcm_hw_params_free (params);
   return 0;
 
   /* ERRORS */
@@ -431,18 +432,21 @@ no_config:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Broken configuration for playback: no configurations available: %s",
             snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 wrong_access:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Access type not available for playback: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 no_sample_format:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Sample format not available for playback: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 no_channels:
@@ -460,6 +464,7 @@ no_channels:
           alsa->channels);
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (msg), (snd_strerror (err)));
     g_free (msg);
+    snd_pcm_hw_params_free (params);
     return err;
   }
 no_rate:
@@ -473,24 +478,28 @@ rate_match:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Rate doesn't match (requested %iHz, get %iHz)", alsa->rate, err));
+    snd_pcm_hw_params_free (params);
     return -EINVAL;
   }
 buffer_size:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to get buffer size for playback: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 period_size:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to get period size for playback: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 set_hw_params:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set hw params for playback: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 }
@@ -501,7 +510,7 @@ set_swparams (GstAlsaSink * alsa)
   int err;
   snd_pcm_sw_params_t *params;
 
-  snd_pcm_sw_params_alloca (&params);
+  snd_pcm_sw_params_malloc (&params);
 
   /* get the current swparams */
   CHECK (snd_pcm_sw_params_current (alsa->handle, params), no_config);
@@ -520,6 +529,7 @@ set_swparams (GstAlsaSink * alsa)
   /* write the parameters to the playback device */
   CHECK (snd_pcm_sw_params (alsa->handle, params), set_sw_params);
 
+  snd_pcm_sw_params_free (params);
   return 0;
 
   /* ERRORS */
@@ -528,6 +538,7 @@ no_config:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to determine current swparams for playback: %s",
             snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 start_threshold:
@@ -535,24 +546,28 @@ start_threshold:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set start threshold mode for playback: %s",
             snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 set_avail:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set avail min for playback: %s", snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 set_align:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set transfer align for playback: %s", snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 set_sw_params:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set sw params for playback: %s", snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 }

ext/alsa/gstalsasrc.c

@@ -348,7 +348,7 @@ set_hwparams (GstAlsaSrc * alsa)
   gint err, dir;
   snd_pcm_hw_params_t *params;
 
-  snd_pcm_hw_params_alloca (&params);
+  snd_pcm_hw_params_malloc (&params);
 
   /* choose all parameters */
   CHECK (snd_pcm_hw_params_any (alsa->handle, params), no_config);
@@ -388,6 +388,7 @@ set_hwparams (GstAlsaSrc * alsa)
   CHECK (snd_pcm_hw_params_get_period_size (params, &alsa->period_size, &dir),
       period_size);
 
+  snd_pcm_hw_params_free (params);
   return 0;
 
   /* ERRORS */
@@ -396,18 +397,21 @@ no_config:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Broken configuration for recording: no configurations available: %s",
             snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 wrong_access:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Access type not available for recording: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 no_sample_format:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Sample format not available for recording: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 no_channels:
@@ -425,6 +429,7 @@ no_channels:
           alsa->channels);
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (msg), (snd_strerror (err)));
     g_free (msg);
+    snd_pcm_hw_params_free (params);
     return err;
   }
 no_rate:
@@ -432,12 +437,14 @@ no_rate:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Rate %iHz not available for recording: %s",
             alsa->rate, snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 rate_match:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Rate doesn't match (requested %iHz, get %iHz)", alsa->rate, err));
+    snd_pcm_hw_params_free (params);
     return -EINVAL;
   }
 buffer_time:
@@ -445,12 +452,14 @@ buffer_time:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set buffer time %i for recording: %s",
             alsa->buffer_time, snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 buffer_size:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to get buffer size for recording: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 period_time:
@@ -458,18 +467,21 @@ period_time:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set period time %i for recording: %s", alsa->period_time,
             snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 period_size:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to get period size for recording: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 set_hw_params:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set hw params for recording: %s", snd_strerror (err)));
+    snd_pcm_hw_params_free (params);
     return err;
   }
 }
@@ -480,7 +492,7 @@ set_swparams (GstAlsaSrc * alsa)
   int err;
   snd_pcm_sw_params_t *params;
 
-  snd_pcm_sw_params_alloca (&params);
+  snd_pcm_sw_params_malloc (&params);
 
   /* get the current swparams */
   CHECK (snd_pcm_sw_params_current (alsa->handle, params), no_config);
@@ -496,6 +508,7 @@ set_swparams (GstAlsaSrc * alsa)
   /* write the parameters to the recording device */
   CHECK (snd_pcm_sw_params (alsa->handle, params), set_sw_params);
 
+  snd_pcm_sw_params_free (params);
   return 0;
 
   /* ERRORS */
@@ -504,6 +517,7 @@ no_config:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to determine current swparams for playback: %s",
             snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 start_threshold:
@@ -511,24 +525,28 @@ start_threshold:
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set start threshold mode for playback: %s",
             snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 set_avail:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set avail min for playback: %s", snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 set_align:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set transfer align for playback: %s", snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 set_sw_params:
   {
     GST_ELEMENT_ERROR (alsa, RESOURCE, SETTINGS, (NULL),
         ("Unable to set sw params for playback: %s", snd_strerror (err)));
+    snd_pcm_sw_params_free (params);
     return err;
   }
 }