VLC_API picture_t * vout_GetPicture( vout_thread_t * );
VLC_API void vout_PutPicture( vout_thread_t *, picture_t * );
-VLC_API void vout_HoldPicture( vout_thread_t *, picture_t * );
-VLC_API void vout_ReleasePicture( vout_thread_t *, picture_t * );
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/* */
VLC_API void vout_PutSubpicture( vout_thread_t *, subpicture_t * );
VLC_API int vout_RegisterSubpictureChannel( vout_thread_t * );