audioencoder: getter for allocator

Sometimes the encoder would use the allocator for something else than just
allocating output buffers, for example, querying different parameters.

This patch expose a getter accessor for the negotiated memory allocator.
This commit is contained in:
Víctor Manuel Jáquez Leal 2012-08-07 17:21:53 +02:00 committed by Sebastian Dröge
parent c02dcda885
commit 936ec3eb8f
2 changed files with 31 additions and 0 deletions

View file

@ -2693,3 +2693,30 @@ done:
return buffer;
}
/**
* gst_audio_encoder_get_allocator:
* @enc: a #GstAudioEncoder
* @allocator: (out) (allow-none) (transfer full): the #GstAllocator
* used
* @params: (out) (allow-none) (transfer full): the
* #GstAllocatorParams of @allocator
*
* Lets #GstAudioEncoder sub-classes to know the memory @allocator
* used by the base class and its @params.
*
* Unref the @allocator after use it.
*/
void
gst_audio_encoder_get_allocator (GstAudioEncoder * enc,
GstAllocator ** allocator, GstAllocationParams * params)
{
g_return_if_fail (GST_IS_AUDIO_ENCODER (enc));
if (allocator)
*allocator = enc->priv->ctx.allocator ?
gst_object_ref (enc->priv->ctx.allocator) : NULL;
if (params)
*params = enc->priv->ctx.params;
}

View file

@ -293,6 +293,10 @@ void gst_audio_encoder_set_drainable (GstAudioEncoder * enc,
gboolean gst_audio_encoder_get_drainable (GstAudioEncoder * enc);
void gst_audio_encoder_get_allocator (GstAudioEncoder * enc,
GstAllocator ** allocator,
GstAllocationParams * params);
void gst_audio_encoder_merge_tags (GstAudioEncoder * enc,
const GstTagList * tags, GstTagMergeMode mode);