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volume: Do not try to get binding value array if we are not processing any sample

Browse source 
In some conditions we might process empty buffers, calling
gst_control_binding_get_value_array in that case will lead
to the assertion:

  (lt-ges-launch-1.0:18859): GStreamer-CRITICAL **: gst_control_binding_get_value_array: assertion 'values' failed
This commit is contained in:
Thibault Saunier 2015-11-05 11:34:07 +01:00
parent f86ed8cdf6
commit 9c7d3c8ab2
1 changed files with 2 additions and 2 deletions
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4
gst/volume/gstvolume.c
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@ -760,7 +760,7 @@ volume_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
self->volumes_count = nsamples;
}
if (volume_cb) {
if (volume_cb && self->volumes) {
have_volumes =
gst_control_binding_get_value_array (volume_cb, ts, interval,
nsamples, (gpointer) self->volumes);
@ -770,7 +770,7 @@ volume_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
volume_orc_memset_f64 (self->volumes, self->current_volume, nsamples);
}
if (mute_cb) {
if (mute_cb && self->mutes) {
have_mutes = gst_control_binding_get_value_array (mute_cb, ts, interval,
nsamples, (gpointer) self->mutes);
gst_object_replace ((GstObject **) & mute_cb, NULL);