Same as #gst_video_decoder_allocate_output_frame except it allows passing #GstBufferPoolAcquireParams to the sub call gst_buffer_pool_acquire_buffer.
a #GstVideoCodecFrame
a #GstBufferPoolAcquireParams
gst.types.FlowReturn.Ok if an output buffer could be allocated
Same as #gst_video_decoder_allocate_output_frame except it allows passing #GstBufferPoolAcquireParams to the sub call gst_buffer_pool_acquire_buffer.