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audioencoder: add some tag handling convenience help

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This commit is contained in:
Mark Nauwelaerts 2011-09-26 15:14:41 +02:00
parent a99b313c26
commit abafb030ac
2 changed files with 40 additions and 0 deletions
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37
gst-libs/gst/audio/gstaudioencoder.c
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@ -1982,3 +1982,40 @@ gst_audio_encoder_get_tolerance (GstAudioEncoder * enc)
return result;
}
/**
* gst_audio_encoder_merge_tags:
* @enc: a #GstAudioEncoder
* @tags: a #GstTagList to merge
* @mode: the #GstTagMergeMode to use
*
* Adds tags to so-called pending tags, which will be processed
* before pushing out data downstream.
*
* Note that this is provided for convenience, and the subclass is
* not required to use this and can still do tag handling on its own,
* although it should be aware that baseclass already takes care
* of the usual CODEC/AUDIO_CODEC tags.
*
* MT safe.
*
* Since: 0.10.36
*/
void
gst_audio_encoder_merge_tags (GstAudioEncoder * enc,
const GstTagList * tags, GstTagMergeMode mode)
{
GstTagList *otags;
g_return_if_fail (GST_IS_AUDIO_ENCODER (enc));
g_return_if_fail (tags == NULL || GST_IS_TAG_LIST (tags));
GST_OBJECT_LOCK (enc);
if (tags)
GST_DEBUG_OBJECT (enc, "merging tags %" GST_PTR_FORMAT, tags);
otags = enc->priv->tags;
enc->priv->tags = gst_tag_list_merge (enc->priv->tags, tags, mode);
if (otags)
gst_tag_list_free (otags);
GST_OBJECT_UNLOCK (enc);
}

3
gst-libs/gst/audio/gstaudioencoder.h
View file

@ -238,6 +238,9 @@ void gst_audio_encoder_set_tolerance (GstAudioEncoder * enc,
gint64 gst_audio_encoder_get_tolerance (GstAudioEncoder * enc);
void gst_audio_encoder_merge_tags (GstAudioEncoder * enc,
const GstTagList * tags, GstTagMergeMode mode);
G_END_DECLS
#endif /* __GST_AUDIO_ENCODER_H__ */